fmt

default.nix

@@ -1,9 +1,9 @@
-{ system ? builtins.currentSystem }:
-let
+{system ? builtins.currentSystem}: let
 in
-(
-  (import ./compat.nix).flake-compat {
-    src = ./.;
-    inherit system;
-  }
-).defaultNix
+  (
+    (import ./compat.nix).flake-compat {
+      src = ./.;
+      inherit system;
+    }
+  )
+  .defaultNix

examples/default.nix

@@ -1,9 +1,6 @@
-{ system ? builtins.currentSystem
-, evalModules ? (import ../. { }).evalModules.${system}
-}:
-
-{ registry ? "docker.io/gatehub" }:
-
 {
-  nginx-deployment = import ./nginx-deployment { inherit evalModules registry; };
+  system ? builtins.currentSystem,
+  evalModules ? (import ../. {}).evalModules.${system},
+}: {registry ? "docker.io/gatehub"}: {
+  nginx-deployment = import ./nginx-deployment {inherit evalModules registry;};
 }

examples/nginx-deployment/default.nix

@@ -1,10 +1,11 @@
-{ evalModules, registry }:
-
-let
+{
+  evalModules,
+  registry,
+}: let
   # evaluated configuration
-  config = (evalModules {
-    module =
-      { kubenix, ... }: {
+  config =
+    (evalModules {
+      module = {kubenix, ...}: {
         imports = [
           kubenix.modules.testing
           ./module.nix
@@ -16,12 +17,12 @@ let
         kubernetes.version = "1.21";
 
         testing = {
-          tests = [ ./test.nix ];
+          tests = [./test.nix];
           docker.registryUrl = "";
           # testing commonalities for tests that exhibit the respective feature
           common = [
             {
-              features = [ "k8s" ];
+              features = ["k8s"];
               options = {
                 kubernetes.version = "1.20";
               };
@@ -29,10 +30,9 @@ let
           ];
         };
       };
-  }).config;
-
-in
-{
+    })
+    .config;
+in {
   inherit config;
 
   # config checks

examples/nginx-deployment/image.nix

@@ -1,8 +1,10 @@
-{ dockerTools, nginx }:
-
+{
+  dockerTools,
+  nginx,
+}:
 dockerTools.buildLayeredImage {
   name = "nginx";
-  contents = [ nginx ];
+  contents = [nginx];
   extraCommands = ''
     mkdir -p etc
     chmod u+w etc
@@ -10,9 +12,9 @@ dockerTools.buildLayeredImage {
     echo "nginx:x:1000:nginx" > etc/group
   '';
   config = {
-    Cmd = [ "nginx" "-c" "/etc/nginx/nginx.conf" ];
+    Cmd = ["nginx" "-c" "/etc/nginx/nginx.conf"];
     ExposedPorts = {
-      "80/tcp" = { };
+      "80/tcp" = {};
     };
   };
 }

examples/nginx-deployment/module.nix

@@ -1,11 +1,14 @@
-{ config, lib, pkgs, kubenix, ... }:
-
-with lib;
-let
-  nginx = pkgs.callPackage ./image.nix { };
-in
 {
-  imports = with kubenix.modules; [ k8s docker ];
+  config,
+  lib,
+  pkgs,
+  kubenix,
+  ...
+}:
+with lib; let
+  nginx = pkgs.callPackage ./image.nix {};
+in {
+  imports = with kubenix.modules; [k8s docker];
 
   docker.images.nginx.image = nginx;
 
@@ -54,10 +57,12 @@ in
 
   kubernetes.resources.services.nginx = {
     spec = {
-      ports = [{
-        name = "http";
-        port = 80;
-      }];
+      ports = [
+        {
+          name = "http";
+          port = 80;
+        }
+      ];
       selector.app = "nginx";
     };
   };

examples/nginx-deployment/test.nix

@@ -1,9 +1,13 @@
-{ config, lib, pkgs, kubenix, test, ... }:
-
-with lib;
-
 {
-  imports = [ kubenix.modules.test ./module.nix ];
+  config,
+  lib,
+  pkgs,
+  kubenix,
+  test,
+  ...
+}:
+with lib; {
+  imports = [kubenix.modules.test ./module.nix];
 
   test = {
     name = "nginx-deployment";

flake.nix

@@ -7,55 +7,59 @@
     devshell-flake.url = "github:numtide/devshell";
   };
 
-  outputs = { self, nixpkgs, flake-utils, devshell-flake }:
-
-    (flake-utils.lib.eachDefaultSystem (system:
-      let
-
+  outputs = {
+    self,
+    nixpkgs,
+    flake-utils,
+    devshell-flake,
+  }:
+    (flake-utils.lib.eachDefaultSystem (
+      system: let
         pkgs = import nixpkgs {
           inherit system;
           overlays = [
             self.overlay
             devshell-flake.overlay
           ];
-          config = { allowUnsupportedSystem = true; };
+          config = {allowUnsupportedSystem = true;};
         };
 
         lib = pkgs.lib;
 
         kubenix = {
-          lib = import ./lib { inherit lib pkgs; };
+          lib = import ./lib {inherit lib pkgs;};
           evalModules = self.evalModules.${system};
           modules = self.modules;
         };
 
         # evalModules with same interface as lib.evalModules and kubenix as
         # special argument
-        evalModules = attrs@{ module ? null, modules ? [ module ], ... }:
-          let
-            lib' = lib.extend (lib: self: import ./lib/upstreamables.nix { inherit lib pkgs; });
-            attrs' = builtins.removeAttrs attrs [ "module" ];
-          in
+        evalModules = attrs @ {
+          module ? null,
+          modules ? [module],
+          ...
+        }: let
+          lib' = lib.extend (lib: self: import ./lib/upstreamables.nix {inherit lib pkgs;});
+          attrs' = builtins.removeAttrs attrs ["module"];
+        in
           lib'.evalModules (lib.recursiveUpdate
             {
               inherit modules;
-              specialArgs = { inherit kubenix; };
+              specialArgs = {inherit kubenix;};
               args = {
                 inherit pkgs;
                 name = "default";
               };
             }
             attrs');
-
-      in
-      {
-
+      in {
         inherit evalModules;
 
-        jobs = import ./jobs { inherit pkgs; };
+        jobs = import ./jobs {inherit pkgs;};
 
-        devShell = with pkgs; devshell.mkShell
-          { imports = [ (devshell.importTOML ./devshell.toml) ]; };
+        devShell = with pkgs;
+          devshell.mkShell
+          {imports = [(devshell.importTOML ./devshell.toml)];};
 
         packages = flake-utils.lib.flattenTree {
           inherit (pkgs) kubernetes kubectl;
@@ -66,31 +70,30 @@
             if suite.success == true
             then pkgs.runCommandNoCC "testing-suite-config-assertions-for-${suite.name}-succeeded" {} "echo success > $out"
             else pkgs.runCommandNoCC "testing-suite-config-assertions-for-${suite.name}-failed" {} "exit 1";
-          mkExamples = attrs: (import ./examples { inherit evalModules; })
-            ({ registry = "docker.io/gatehub"; } // attrs);
-          mkK8STests = attrs: (import ./tests { inherit evalModules; })
-            ({ registry = "docker.io/gatehub"; } // attrs);
+          mkExamples = attrs:
+            (import ./examples {inherit evalModules;})
+            ({registry = "docker.io/gatehub";} // attrs);
+          mkK8STests = attrs:
+            (import ./tests {inherit evalModules;})
+            ({registry = "docker.io/gatehub";} // attrs);
         in {
           # TODO: access "success" derivation with nice testing utils for nice output
-          nginx-example = wasSuccess (mkExamples { }).nginx-deployment.config.testing;
-          tests-k8s-1_19 = wasSuccess (mkK8STests { k8sVersion = "1.19"; });
-          tests-k8s-1_20 = wasSuccess (mkK8STests { k8sVersion = "1.20"; });
-          tests-k8s-1_21 = wasSuccess (mkK8STests { k8sVersion = "1.21"; });
+          nginx-example = wasSuccess (mkExamples {}).nginx-deployment.config.testing;
+          tests-k8s-1_19 = wasSuccess (mkK8STests {k8sVersion = "1.19";});
+          tests-k8s-1_20 = wasSuccess (mkK8STests {k8sVersion = "1.20";});
+          tests-k8s-1_21 = wasSuccess (mkK8STests {k8sVersion = "1.21";});
         };
-
       }
     ))
-
-    //
-
-    {
+    // {
       modules = import ./modules;
       overlay = final: prev: {
         kubenix.evalModules = self.evalModules.${prev.system};
         # up to date versions of their nixpkgs equivalents
-        kubernetes = prev.callPackage ./pkgs/applications/networking/cluster/kubernetes
-          { };
-        kubectl = prev.callPackage ./pkgs/applications/networking/cluster/kubectl { };
+        kubernetes =
+          prev.callPackage ./pkgs/applications/networking/cluster/kubernetes
+          {};
+        kubectl = prev.callPackage ./pkgs/applications/networking/cluster/kubectl {};
       };
     };
 }

jobs/default.nix

@@ -1,4 +1,3 @@
-{ pkgs }:
-{
-  generators = pkgs.callPackage ./generators { };
+{pkgs}: {
+  generators = pkgs.callPackage ./generators {};
 }

jobs/generators/default.nix

@@ -1,6 +1,7 @@
-{ pkgs, lib }:
-let
-
+{
+  pkgs,
+  lib,
+}: let
   generateIstio = import ./istio {
     inherit
       pkgs
@@ -8,22 +9,22 @@ let
       ;
   };
 
-  generateK8S = name: spec: import ./k8s {
-    inherit
-      name
-      pkgs
-      lib
-      spec
-      ;
-  };
-
-in
-{
-
-  istio = pkgs.linkFarm "istio-generated" [{
-    name = "latest.nix";
-    path = generateIstio;
-  }];
+  generateK8S = name: spec:
+    import ./k8s {
+      inherit
+        name
+        pkgs
+        lib
+        spec
+        ;
+    };
+in {
+  istio = pkgs.linkFarm "istio-generated" [
+    {
+      name = "latest.nix";
+      path = generateIstio;
+    }
+  ];
 
   k8s = pkgs.linkFarm "k8s-generated" [
     {
@@ -50,5 +51,4 @@ in
       });
     }
   ];
-
 }

jobs/generators/istio/default.nix

@@ -1,13 +1,15 @@
-{ pkgs ? import <nixpkgs> { }, lib ? pkgs.lib, spec ? ./istio-schema.json }:
-
-with lib;
-let
+{
+  pkgs ? import <nixpkgs> {},
+  lib ? pkgs.lib,
+  spec ? ./istio-schema.json,
+}:
+with lib; let
   gen = rec {
     mkMerge = values: ''mkMerge [${concatMapStrings
-(value: "
+        (value: "
       ${value}
     ")
-values}]'';
+        values}]'';
 
     toNixString = value:
       if isAttrs value || isList value
@@ -20,17 +22,18 @@ values}]'';
 
     removeEmptyLines = str: concatStringsSep "\n" (filter (l: (builtins.match "(  |)+" l) == null) (splitString "\n" str));
 
-    mkOption =
-      { description ? null
-      , type ? null
-      , default ? null
-      , apply ? null
-      }: removeEmptyLines ''mkOption {
-          ${optionalString (description != null) "description = ${builtins.toJSON description};"}
-          ${optionalString (type != null) ''type = ${type};''}
-          ${optionalString (default != null) ''default = ${toNixString default};''}
-          ${optionalString (apply != null) ''apply = ${apply};''}
-        }'';
+    mkOption = {
+      description ? null,
+      type ? null,
+      default ? null,
+      apply ? null,
+    }:
+      removeEmptyLines ''        mkOption {
+                  ${optionalString (description != null) "description = ${builtins.toJSON description};"}
+                  ${optionalString (type != null) ''type = ${type};''}
+                  ${optionalString (default != null) ''default = ${toNixString default};''}
+                  ${optionalString (apply != null) ''apply = ${apply};''}
+                }'';
 
     mkOverride = priority: value: "mkOverride ${toString priority} ${toNixString value}";
 
@@ -43,327 +46,335 @@ values}]'';
       nullOr = val: "(types.nullOr ${val})";
       attrsOf = val: "(types.attrsOf ${val})";
       listOf = val: "(types.listOf ${val})";
-      coercedTo = coercedType: coerceFunc: finalType:
-        "(types.coercedTo ${coercedType} ${coerceFunc} ${finalType})";
+      coercedTo = coercedType: coerceFunc: finalType: "(types.coercedTo ${coercedType} ${coerceFunc} ${finalType})";
       either = val1: val2: "(types.either ${val1} ${val2})";
       loaOf = type: "(types.loaOf ${type})";
     };
 
     hasTypeMapping = def:
-      hasAttr "type" def &&
-      elem def.type [ "string" "integer" "boolean" ];
+      hasAttr "type" def
+      && elem def.type ["string" "integer" "boolean"];
 
     mergeValuesByKey = mergeKey: ''(mergeValuesByKey "${mergeKey}")'';
 
     mapType = def:
-      if def.type == "string" then
+      if def.type == "string"
+      then
         if hasAttr "format" def && def.format == "int-or-string"
         then types.either types.int types.str
         else types.str
-      else if def.type == "integer" then types.int
-      else if def.type == "number" then types.int
-      else if def.type == "boolean" then types.bool
-      else if def.type == "object" then types.attrs
+      else if def.type == "integer"
+      then types.int
+      else if def.type == "number"
+      then types.int
+      else if def.type == "boolean"
+      then types.bool
+      else if def.type == "object"
+      then types.attrs
       else throw "type ${def.type} not supported";
 
     submoduleOf = definitions: ref: ''(submoduleOf "${ref}")'';
 
-    submoduleForDefinition = ref: name: kind: group: version:
-      ''(submoduleForDefinition "${ref}" "${name}" "${kind}" "${group}" "${version}")'';
+    submoduleForDefinition = ref: name: kind: group: version: ''(submoduleForDefinition "${ref}" "${name}" "${kind}" "${group}" "${version}")'';
 
-    coerceAttrsOfSubmodulesToListByKey = ref: mergeKey:
-      ''(coerceAttrsOfSubmodulesToListByKey "${ref}" "${mergeKey}")'';
+    coerceAttrsOfSubmodulesToListByKey = ref: mergeKey: ''(coerceAttrsOfSubmodulesToListByKey "${ref}" "${mergeKey}")'';
 
     attrsToList = "values: if values != null then mapAttrsToList (n: v: v) values else values";
 
     refDefinition = attr: head (tail (tail (splitString "/" attr."$ref")));
   };
 
-  fixJSON = content: replaceStrings [ "\\u" ] [ "u" ] content;
+  fixJSON = content: replaceStrings ["\\u"] ["u"] content;
 
   fetchSpecs = path: builtins.fromJSON (fixJSON (builtins.readFile path));
 
-  genDefinitions = swagger: with gen; (mapAttrs
-    (name: definition:
-      # if $ref is in definition it means it's an alias of other definition
-      if hasAttr "$ref" definition
-      then definitions."${refDefinition definition}"
-
-      else if !(hasAttr "properties" definition)
-      then {
-        type = mapType definition;
-      }
-
-      else {
-        options = mapAttrs
-          (propName: property:
-            let
-              isRequired = elem propName (definition.required or [ ]);
-              requiredOrNot = type: if isRequired then type else types.nullOr type;
-              optionProperties =
-                # if $ref is in property it references other definition,
-                # but if other definition does not have properties, then just take it's type
-                if hasAttr "$ref" property then
-                  if hasTypeMapping swagger.definitions.${refDefinition property} then {
-                    type = requiredOrNot (mapType swagger.definitions.${refDefinition property});
-                  }
-                  else {
-                    type = requiredOrNot (submoduleOf definitions (refDefinition property));
-                  }
-
-                else if !(hasAttr "type" property) then {
-                  type = types.unspecified;
-                }
-
-                # if property has an array type
-                else if property.type == "array" then
-
-                # if reference is in items it can reference other type of another
-                # definition
-                  if hasAttr "$ref" property.items then
-
-                  # if it is a reference to simple type
-                    if hasTypeMapping swagger.definitions.${refDefinition property.items}
-                    then {
-                      type = requiredOrNot (types.listOf (mapType swagger.definitions.${refDefinition property.items}.type));
-                    }
-
-                    # if a reference is to complex type
-                    else
-                    # if x-kubernetes-patch-merge-key is set then make it an
-                    # attribute set of submodules
-                      if hasAttr "x-kubernetes-patch-merge-key" property
-                      then
-                        let
-                          mergeKey = property."x-kubernetes-patch-merge-key";
-                        in
-                        {
-                          type = requiredOrNot (coerceAttrsOfSubmodulesToListByKey (refDefinition property.items) mergeKey);
-                          apply = attrsToList;
-                        }
-
-                      # in other case it's a simple list
-                      else {
-                        type = requiredOrNot (types.listOf (submoduleOf definitions (refDefinition property.items)));
+  genDefinitions = swagger:
+    with gen; (mapAttrs
+      (
+        name: definition:
+        # if $ref is in definition it means it's an alias of other definition
+          if hasAttr "$ref" definition
+          then definitions."${refDefinition definition}"
+          else if !(hasAttr "properties" definition)
+          then {
+            type = mapType definition;
+          }
+          else {
+            options =
+              mapAttrs
+              (
+                propName: property: let
+                  isRequired = elem propName (definition.required or []);
+                  requiredOrNot = type:
+                    if isRequired
+                    then type
+                    else types.nullOr type;
+                  optionProperties =
+                    # if $ref is in property it references other definition,
+                    # but if other definition does not have properties, then just take it's type
+                    if hasAttr "$ref" property
+                    then
+                      if hasTypeMapping swagger.definitions.${refDefinition property}
+                      then {
+                        type = requiredOrNot (mapType swagger.definitions.${refDefinition property});
                       }
-
-                  # in other case it only references a simple type
-                  else {
-                    type = requiredOrNot (types.listOf (mapType property.items));
-                  }
-
-                else if property.type == "object" && hasAttr "additionalProperties" property
-                then
-                # if it is a reference to simple type
-                  if (
-                    hasAttr "$ref" property.additionalProperties &&
-                    hasTypeMapping swagger.definitions.${refDefinition property.additionalProperties}
-                  ) then {
-                    type = requiredOrNot (types.attrsOf (mapType swagger.definitions.${refDefinition property.additionalProperties}));
-                  }
-
-                  else if hasAttr "$ref" property.additionalProperties
-                  then {
-                    type = requiredOrNot types.attrs;
-                  }
-
-                  # if is an array
-                  else if property.additionalProperties.type == "array"
-                  then {
-                    type = requiredOrNot (types.loaOf (mapType property.additionalProperties.items));
-                  }
-
-                  else {
-                    type = requiredOrNot (types.attrsOf (mapType property.additionalProperties));
-                  }
-
-                # just a simple property
-                else {
-                  type = requiredOrNot (mapType property);
-                };
-            in
-            mkOption ({
-              description = property.description or "";
-            } // optionProperties)
-          )
-          definition.properties;
-        config =
-          let
-            optionalProps = filterAttrs
-              (propName: property:
-                !(elem propName (definition.required or [ ]))
+                      else {
+                        type = requiredOrNot (submoduleOf definitions (refDefinition property));
+                      }
+                    else if !(hasAttr "type" property)
+                    then {
+                      type = types.unspecified;
+                    }
+                    # if property has an array type
+                    else if property.type == "array"
+                    then
+                      # if reference is in items it can reference other type of another
+                      # definition
+                      if hasAttr "$ref" property.items
+                      then
+                        # if it is a reference to simple type
+                        if hasTypeMapping swagger.definitions.${refDefinition property.items}
+                        then {
+                          type = requiredOrNot (types.listOf (mapType swagger.definitions.${refDefinition property.items}.type));
+                        }
+                        # if a reference is to complex type
+                        else
+                          # if x-kubernetes-patch-merge-key is set then make it an
+                          # attribute set of submodules
+                          if hasAttr "x-kubernetes-patch-merge-key" property
+                          then let
+                            mergeKey = property."x-kubernetes-patch-merge-key";
+                          in {
+                            type = requiredOrNot (coerceAttrsOfSubmodulesToListByKey (refDefinition property.items) mergeKey);
+                            apply = attrsToList;
+                          }
+                          # in other case it's a simple list
+                          else {
+                            type = requiredOrNot (types.listOf (submoduleOf definitions (refDefinition property.items)));
+                          }
+                      # in other case it only references a simple type
+                      else {
+                        type = requiredOrNot (types.listOf (mapType property.items));
+                      }
+                    else if property.type == "object" && hasAttr "additionalProperties" property
+                    then
+                      # if it is a reference to simple type
+                      if
+                        (
+                          hasAttr "$ref" property.additionalProperties
+                          && hasTypeMapping swagger.definitions.${refDefinition property.additionalProperties}
+                        )
+                      then {
+                        type = requiredOrNot (types.attrsOf (mapType swagger.definitions.${refDefinition property.additionalProperties}));
+                      }
+                      else if hasAttr "$ref" property.additionalProperties
+                      then {
+                        type = requiredOrNot types.attrs;
+                      }
+                      # if is an array
+                      else if property.additionalProperties.type == "array"
+                      then {
+                        type = requiredOrNot (types.loaOf (mapType property.additionalProperties.items));
+                      }
+                      else {
+                        type = requiredOrNot (types.attrsOf (mapType property.additionalProperties));
+                      }
+                    # just a simple property
+                    else {
+                      type = requiredOrNot (mapType property);
+                    };
+                in
+                  mkOption ({
+                      description = property.description or "";
+                    }
+                    // optionProperties)
               )
               definition.properties;
-          in
-          mapAttrs (name: property: mkOverride 1002 null) optionalProps;
-      }
-    )
-    swagger.definitions);
+            config = let
+              optionalProps =
+                filterAttrs
+                (
+                  propName: property:
+                    !(elem propName (definition.required or []))
+                )
+                definition.properties;
+            in
+              mapAttrs (name: property: mkOverride 1002 null) optionalProps;
+          }
+      )
+      swagger.definitions);
 
-  genResources = swagger: (mapAttrsToList
-    (name: property: rec {
-      splittedType = splitString "." (removePrefix "me.snowdrop.istio.api." property.javaType);
-      group = (concatStringsSep "." (take ((length splittedType) - 2) splittedType)) + ".istio.io";
-      kind = removeSuffix "Spec" (last splittedType);
-      version = last (take ((length splittedType) - 1) splittedType);
-      ref = removePrefix "#/definitions/" property."$ref";
-    })
-    (filterAttrs
-      (name: property:
-        (hasPrefix "me.snowdrop.istio.api" property.javaType) &&
-          hasSuffix "Spec" property.javaType
-      )
-      swagger.properties)) ++ (mapAttrsToList
-    (name: property: rec {
-      splittedType = splitString "." (removePrefix "me.snowdrop.istio.mixer." property.javaType);
-      group = "config.istio.io";
-      version = "v1alpha2";
-      kind = head (tail splittedType);
-      ref = removePrefix "#/definitions/" property."$ref";
-    })
-    (filterAttrs
-      (name: property:
-        (hasPrefix "me.snowdrop.istio.mixer" property.javaType) &&
-          hasSuffix "Spec" property.javaType
-      )
-      swagger.properties));
+  genResources = swagger:
+    (mapAttrsToList
+      (name: property: rec {
+        splittedType = splitString "." (removePrefix "me.snowdrop.istio.api." property.javaType);
+        group = (concatStringsSep "." (take ((length splittedType) - 2) splittedType)) + ".istio.io";
+        kind = removeSuffix "Spec" (last splittedType);
+        version = last (take ((length splittedType) - 1) splittedType);
+        ref = removePrefix "#/definitions/" property."$ref";
+      })
+      (filterAttrs
+        (
+          name: property:
+            (hasPrefix "me.snowdrop.istio.api" property.javaType)
+            && hasSuffix "Spec" property.javaType
+        )
+        swagger.properties))
+    ++ (mapAttrsToList
+      (name: property: rec {
+        splittedType = splitString "." (removePrefix "me.snowdrop.istio.mixer." property.javaType);
+        group = "config.istio.io";
+        version = "v1alpha2";
+        kind = head (tail splittedType);
+        ref = removePrefix "#/definitions/" property."$ref";
+      })
+      (filterAttrs
+        (
+          name: property:
+            (hasPrefix "me.snowdrop.istio.mixer" property.javaType)
+            && hasSuffix "Spec" property.javaType
+        )
+        swagger.properties));
 
   swagger = fetchSpecs spec;
 
   definitions = genDefinitions swagger;
 
   generated = ''
-  # This file was generated with kubenix k8s generator, do not edit
-  {lib, config, ... }:
+    # This file was generated with kubenix k8s generator, do not edit
+    {lib, config, ... }:
 
-  with lib;
+    with lib;
 
-  let
-    types = lib.types // rec {
-      str = mkOptionType {
-        name = "str";
-        description = "string";
-        check = isString;
-        merge = mergeEqualOption;
+    let
+      types = lib.types // rec {
+        str = mkOptionType {
+          name = "str";
+          description = "string";
+          check = isString;
+          merge = mergeEqualOption;
+        };
+
+        # Either value of type `finalType` or `coercedType`, the latter is
+        # converted to `finalType` using `coerceFunc`.
+        coercedTo = coercedType: coerceFunc: finalType:
+        mkOptionType rec {
+          name = "coercedTo";
+          description = "''${finalType.description} or ''${coercedType.description}";
+          check = x: finalType.check x || coercedType.check x;
+          merge = loc: defs:
+            let
+              coerceVal = val:
+                if finalType.check val then val
+                else let
+                  coerced = coerceFunc val;
+                in assert finalType.check coerced; coerced;
+
+            in finalType.merge loc (map (def: def // { value = coerceVal def.value; }) defs);
+          getSubOptions = finalType.getSubOptions;
+          getSubModules = finalType.getSubModules;
+          substSubModules = m: coercedTo coercedType coerceFunc (finalType.substSubModules m);
+          typeMerge = t1: t2: null;
+          functor = (defaultFunctor name) // { wrapped = finalType; };
+        };
       };
 
-      # Either value of type `finalType` or `coercedType`, the latter is
-      # converted to `finalType` using `coerceFunc`.
-      coercedTo = coercedType: coerceFunc: finalType:
-      mkOptionType rec {
-        name = "coercedTo";
-        description = "''${finalType.description} or ''${coercedType.description}";
-        check = x: finalType.check x || coercedType.check x;
-        merge = loc: defs:
-          let
-            coerceVal = val:
-              if finalType.check val then val
-              else let
-                coerced = coerceFunc val;
-              in assert finalType.check coerced; coerced;
+      mkOptionDefault = mkOverride 1001;
 
-          in finalType.merge loc (map (def: def // { value = coerceVal def.value; }) defs);
-        getSubOptions = finalType.getSubOptions;
-        getSubModules = finalType.getSubModules;
-        substSubModules = m: coercedTo coercedType coerceFunc (finalType.substSubModules m);
-        typeMerge = t1: t2: null;
-        functor = (defaultFunctor name) // { wrapped = finalType; };
+      extraOptions = {
+        kubenix = {};
       };
-    };
 
-    mkOptionDefault = mkOverride 1001;
+      mergeValuesByKey = mergeKey: values:
+        listToAttrs (map
+          (value: nameValuePair (
+            if isAttrs value.''${mergeKey}
+            then toString value.''${mergeKey}.content
+            else (toString value.''${mergeKey})
+          ) value)
+        values);
 
-    extraOptions = {
-      kubenix = {};
-    };
-
-    mergeValuesByKey = mergeKey: values:
-      listToAttrs (map
-        (value: nameValuePair (
-          if isAttrs value.''${mergeKey}
-          then toString value.''${mergeKey}.content
-          else (toString value.''${mergeKey})
-        ) value)
-      values);
-
-    submoduleOf = ref: types.submodule ({name, ...}: {
-      options = definitions."''${ref}".options;
-      config = definitions."''${ref}".config;
-    });
-
-    submoduleWithMergeOf = ref: mergeKey: types.submodule ({name, ...}: let
-      convertName = name:
-        if definitions."''${ref}".options.''${mergeKey}.type == types.int
-        then toInt name
-        else name;
-    in {
-      options = definitions."''${ref}".options;
-      config = definitions."''${ref}".config // {
-        ''${mergeKey} = mkOverride 1002 (convertName name);
-      };
-    });
-
-    submoduleForDefinition = ref: resource: kind: group: version:
-      types.submodule ({name, ...}: {
-        options = definitions."''${ref}".options // extraOptions;
-        config = mkMerge ([
-          definitions."''${ref}".config
-          {
-            kind = mkOptionDefault kind;
-            apiVersion = mkOptionDefault version;
-
-            # metdata.name cannot use option default, due deep config
-            metadata.name = mkOptionDefault name;
-          }
-        ] ++ (config.defaults.''${resource} or [])
-          ++ (config.defaults.all or []));
+      submoduleOf = ref: types.submodule ({name, ...}: {
+        options = definitions."''${ref}".options;
+        config = definitions."''${ref}".config;
       });
 
-    coerceAttrsOfSubmodulesToListByKey = ref: mergeKey: (types.coercedTo
-      (types.listOf (submoduleOf ref))
-      (mergeValuesByKey mergeKey)
-      (types.attrsOf (submoduleWithMergeOf ref mergeKey))
-    );
+      submoduleWithMergeOf = ref: mergeKey: types.submodule ({name, ...}: let
+        convertName = name:
+          if definitions."''${ref}".options.''${mergeKey}.type == types.int
+          then toInt name
+          else name;
+      in {
+        options = definitions."''${ref}".options;
+        config = definitions."''${ref}".config // {
+          ''${mergeKey} = mkOverride 1002 (convertName name);
+        };
+      });
 
-    definitions = {
-      ${concatStrings (mapAttrsToList (name: value: ''
+      submoduleForDefinition = ref: resource: kind: group: version:
+        types.submodule ({name, ...}: {
+          options = definitions."''${ref}".options // extraOptions;
+          config = mkMerge ([
+            definitions."''${ref}".config
+            {
+              kind = mkOptionDefault kind;
+              apiVersion = mkOptionDefault version;
+
+              # metdata.name cannot use option default, due deep config
+              metadata.name = mkOptionDefault name;
+            }
+          ] ++ (config.defaults.''${resource} or [])
+            ++ (config.defaults.all or []));
+        });
+
+      coerceAttrsOfSubmodulesToListByKey = ref: mergeKey: (types.coercedTo
+        (types.listOf (submoduleOf ref))
+        (mergeValuesByKey mergeKey)
+        (types.attrsOf (submoduleWithMergeOf ref mergeKey))
+      );
+
+      definitions = {
+        ${concatStrings (mapAttrsToList (name: value: ''
         "${name}" = {${optionalString (hasAttr "options" value) "
           options = {${concatStrings (mapAttrsToList (name: value: ''
             "${name}" = ${value};
-          '') value.options)}};
+          '')
+          value.options)}};
           "}
 
           ${optionalString (hasAttr "config" value) ''
-            config = {${concatStrings (mapAttrsToList (name: value: ''
+          config = {${concatStrings (mapAttrsToList (name: value: ''
               "${name}" = ${value};
-            '') value.config)}};
-          ''}
+            '')
+            value.config)}};
+        ''}
         };
-      '') definitions)}
-    } // (import ./overrides.nix {inheirt definitions lib;}));
-  in {
-    kubernetes.customResources = [
-    ${concatMapStrings
-  (resource: ''{
-      group = "${resource.group}";
-      version = "${resource.version}";
-      kind = "${resource.kind}";
-      description = "";
-      module = definitions."${resource.ref}";
-    }'')
-  (genResources swagger)}
-    ];
-  }
-'';
+      '')
+      definitions)}
+      } // (import ./overrides.nix {inheirt definitions lib;}));
+    in {
+      kubernetes.customResources = [
+      ${concatMapStrings
+      (resource: ''        {
+              group = "${resource.group}";
+              version = "${resource.version}";
+              kind = "${resource.kind}";
+              description = "";
+              module = definitions."${resource.ref}";
+            }'')
+      (genResources swagger)}
+      ];
+    }
+  '';
 in
-pkgs.runCommand "istio-gen.nix"
-{
-  buildInputs = [ pkgs.nixpkgs-fmt ];
-} ''
-  cat << 'GENERATED' > ./raw
-  "${generated}"
-  GENERATED
+  pkgs.runCommand "istio-gen.nix"
+  {
+    buildInputs = [pkgs.nixpkgs-fmt];
+  } ''
+    cat << 'GENERATED' > ./raw
+    "${generated}"
+    GENERATED
 
-  nixpkgs-fmt ./raw
-  cp ./raw $out
-''
+    nixpkgs-fmt ./raw
+    cp ./raw $out
+  ''

jobs/generators/k8s/default.nix

@@ -1,17 +1,16 @@
-{ name
-, pkgs
-, lib
-, spec
+{
+  name,
+  pkgs,
+  lib,
+  spec,
 }:
-
-with lib;
-let
+with lib; let
   gen = rec {
     mkMerge = values: ''mkMerge [${concatMapStrings
-(value: "
+        (value: "
       ${value}
     ")
-values}]'';
+        values}]'';
 
     toNixString = value:
       if isAttrs value || isList value
@@ -24,17 +23,18 @@ values}]'';
 
     removeEmptyLines = str: concatStringsSep "\n" (filter (l: (builtins.match "(  |)+" l) == null) (splitString "\n" str));
 
-    mkOption =
-      { description ? null
-      , type ? null
-      , default ? null
-      , apply ? null
-      }: removeEmptyLines ''mkOption {
-      ${optionalString (description != null) "description = ${builtins.toJSON description};"}
-      ${optionalString (type != null) ''type = ${type};''}
-      ${optionalString (default != null) ''default = ${toNixString default};''}
-      ${optionalString (apply != null) ''apply = ${apply};''}
-    }'';
+    mkOption = {
+      description ? null,
+      type ? null,
+      default ? null,
+      apply ? null,
+    }:
+      removeEmptyLines ''        mkOption {
+              ${optionalString (description != null) "description = ${builtins.toJSON description};"}
+              ${optionalString (type != null) ''type = ${type};''}
+              ${optionalString (default != null) ''default = ${toNixString default};''}
+              ${optionalString (apply != null) ''apply = ${apply};''}
+            }'';
 
     mkOverride = priority: value: "mkOverride ${toString priority} ${toNixString value}";
 
@@ -47,36 +47,38 @@ values}]'';
       nullOr = val: "(types.nullOr ${val})";
       attrsOf = val: "(types.attrsOf ${val})";
       listOf = val: "(types.listOf ${val})";
-      coercedTo = coercedType: coerceFunc: finalType:
-        "(types.coercedTo ${coercedType} ${coerceFunc} ${finalType})";
+      coercedTo = coercedType: coerceFunc: finalType: "(types.coercedTo ${coercedType} ${coerceFunc} ${finalType})";
       either = val1: val2: "(types.either ${val1} ${val2})";
       loaOf = type: "(types.loaOf ${type})";
     };
 
     hasTypeMapping = def:
-      hasAttr "type" def &&
-      elem def.type [ "string" "integer" "boolean" ];
+      hasAttr "type" def
+      && elem def.type ["string" "integer" "boolean"];
 
     mergeValuesByKey = mergeKey: ''(mergeValuesByKey "${mergeKey}")'';
 
     mapType = def:
-      if def.type == "string" then
+      if def.type == "string"
+      then
         if hasAttr "format" def && def.format == "int-or-string"
         then types.either types.int types.str
         else types.str
-      else if def.type == "integer" then types.int
-      else if def.type == "number" then types.int
-      else if def.type == "boolean" then types.bool
-      else if def.type == "object" then types.attrs
+      else if def.type == "integer"
+      then types.int
+      else if def.type == "number"
+      then types.int
+      else if def.type == "boolean"
+      then types.bool
+      else if def.type == "object"
+      then types.attrs
       else throw "type ${def.type} not supported";
 
     submoduleOf = definitions: ref: ''(submoduleOf "${ref}")'';
 
-    submoduleForDefinition = ref: name: kind: group: version:
-      ''(submoduleForDefinition "${ref}" "${name}" "${kind}" "${group}" "${version}")'';
+    submoduleForDefinition = ref: name: kind: group: version: ''(submoduleForDefinition "${ref}" "${name}" "${kind}" "${group}" "${version}")'';
 
-    coerceAttrsOfSubmodulesToListByKey = ref: mergeKey:
-      ''(coerceAttrsOfSubmodulesToListByKey "${ref}" "${mergeKey}")'';
+    coerceAttrsOfSubmodulesToListByKey = ref: mergeKey: ''(coerceAttrsOfSubmodulesToListByKey "${ref}" "${mergeKey}")'';
 
     attrsToList = "values: if values != null then mapAttrsToList (n: v: v) values else values";
 
@@ -85,179 +87,193 @@ values}]'';
 
   refType = attr: head (tail (tail (splitString "/" attr."$ref")));
 
-  compareVersions = ver1: ver2:
-    let
-      getVersion = v: substring 1 10 v;
-      splitVersion = v: builtins.splitVersion (getVersion v);
-      isAlpha = v: elem "alpha" (splitVersion v);
-      patchVersion = v:
-        if isAlpha v then ""
-        else if length (splitVersion v) == 1 then "${getVersion v}prod"
-        else getVersion v;
+  compareVersions = ver1: ver2: let
+    getVersion = v: substring 1 10 v;
+    splitVersion = v: builtins.splitVersion (getVersion v);
+    isAlpha = v: elem "alpha" (splitVersion v);
+    patchVersion = v:
+      if isAlpha v
+      then ""
+      else if length (splitVersion v) == 1
+      then "${getVersion v}prod"
+      else getVersion v;
 
-      v1 = patchVersion ver1;
-      v2 = patchVersion ver2;
-    in
+    v1 = patchVersion ver1;
+    v2 = patchVersion ver2;
+  in
     builtins.compareVersions v1 v2;
 
-  fixJSON = content: replaceStrings [ "\\u" ] [ "u" ] content;
+  fixJSON = content: replaceStrings ["\\u"] ["u"] content;
 
   fetchSpecs = path: builtins.fromJSON (fixJSON (builtins.readFile path));
 
-  genDefinitions = swagger: with gen; mapAttrs
-    (name: definition:
-      # if $ref is in definition it means it's an alias of other definition
-      if hasAttr "$ref" definition
-      then definitions."${refDefinition definition}"
-
-      else if !(hasAttr "properties" definition)
-      then { }
-
-      # in other case it's an actual definition
-      else {
-        options = mapAttrs
-          (propName: property:
-            let
-              isRequired = elem propName (definition.required or [ ]);
-              requiredOrNot = type: if isRequired then type else types.nullOr type;
-              optionProperties =
-
-                # if $ref is in property it references other definition,
-                # but if other definition does not have properties, then just take it's type
-                if hasAttr "$ref" property then
-                  if hasTypeMapping swagger.definitions.${refDefinition property} then {
-                    type = requiredOrNot (mapType swagger.definitions.${refDefinition property});
-                  }
-                  else {
-                    type = requiredOrNot (submoduleOf definitions (refDefinition property));
-                  }
-
-                # if property has an array type
-                else if property.type == "array" then
-
-                # if reference is in items it can reference other type of another
-                # definition
-                  if hasAttr "$ref" property.items then
-
-                  # if it is a reference to simple type
-                    if hasTypeMapping swagger.definitions.${refDefinition property.items}
-                    then {
-                      type = requiredOrNot (types.listOf (mapType swagger.definitions.${refDefinition property.items}.type));
-                    }
-
-                    # if a reference is to complex type
-                    else
-                    # if x-kubernetes-patch-merge-key is set then make it an
-                    # attribute set of submodules
-                      if hasAttr "x-kubernetes-patch-merge-key" property
-                      then
-                        let
-                          mergeKey = property."x-kubernetes-patch-merge-key";
-                        in
-                        {
-                          type = requiredOrNot (coerceAttrsOfSubmodulesToListByKey (refDefinition property.items) mergeKey);
-                          apply = attrsToList;
-                        }
-
-                      # in other case it's a simple list
-                      else {
-                        type = requiredOrNot (types.listOf (submoduleOf definitions (refDefinition property.items)));
+  genDefinitions = swagger:
+    with gen;
+      mapAttrs
+      (
+        name: definition:
+        # if $ref is in definition it means it's an alias of other definition
+          if hasAttr "$ref" definition
+          then definitions."${refDefinition definition}"
+          else if !(hasAttr "properties" definition)
+          then {}
+          # in other case it's an actual definition
+          else {
+            options =
+              mapAttrs
+              (
+                propName: property: let
+                  isRequired = elem propName (definition.required or []);
+                  requiredOrNot = type:
+                    if isRequired
+                    then type
+                    else types.nullOr type;
+                  optionProperties =
+                    # if $ref is in property it references other definition,
+                    # but if other definition does not have properties, then just take it's type
+                    if hasAttr "$ref" property
+                    then
+                      if hasTypeMapping swagger.definitions.${refDefinition property}
+                      then {
+                        type = requiredOrNot (mapType swagger.definitions.${refDefinition property});
                       }
-
-                  # in other case it only references a simple type
-                  else {
-                    type = requiredOrNot (types.listOf (mapType property.items));
-                  }
-
-                else if property.type == "object" && hasAttr "additionalProperties" property
-                then
-                # if it is a reference to simple type
-                  if (
-                    hasAttr "$ref" property.additionalProperties &&
-                    hasTypeMapping swagger.definitions.${refDefinition property.additionalProperties}
-                  ) then {
-                    type = requiredOrNot (types.attrsOf (mapType swagger.definitions.${refDefinition property.additionalProperties}));
-                  }
-
-                  else if hasAttr "$ref" property.additionalProperties
-                  then {
-                    type = requiredOrNot types.attrs;
-                  }
-
-                  # if is an array
-                  else if property.additionalProperties.type == "array"
-                  then {
-                    type = requiredOrNot (types.loaOf (mapType property.additionalProperties.items));
-                  }
-
-                  else {
-                    type = requiredOrNot (types.attrsOf (mapType property.additionalProperties));
-                  }
-
-                # just a simple property
-                else {
-                  type = requiredOrNot (mapType property);
-                };
-            in
-            mkOption ({
-              description = property.description or "";
-            } // optionProperties)
-          )
-          definition.properties;
-        config =
-          let
-            optionalProps = filterAttrs
-              (propName: property:
-                !(elem propName (definition.required or [ ]))
+                      else {
+                        type = requiredOrNot (submoduleOf definitions (refDefinition property));
+                      }
+                    # if property has an array type
+                    else if property.type == "array"
+                    then
+                      # if reference is in items it can reference other type of another
+                      # definition
+                      if hasAttr "$ref" property.items
+                      then
+                        # if it is a reference to simple type
+                        if hasTypeMapping swagger.definitions.${refDefinition property.items}
+                        then {
+                          type = requiredOrNot (types.listOf (mapType swagger.definitions.${refDefinition property.items}.type));
+                        }
+                        # if a reference is to complex type
+                        else
+                          # if x-kubernetes-patch-merge-key is set then make it an
+                          # attribute set of submodules
+                          if hasAttr "x-kubernetes-patch-merge-key" property
+                          then let
+                            mergeKey = property."x-kubernetes-patch-merge-key";
+                          in {
+                            type = requiredOrNot (coerceAttrsOfSubmodulesToListByKey (refDefinition property.items) mergeKey);
+                            apply = attrsToList;
+                          }
+                          # in other case it's a simple list
+                          else {
+                            type = requiredOrNot (types.listOf (submoduleOf definitions (refDefinition property.items)));
+                          }
+                      # in other case it only references a simple type
+                      else {
+                        type = requiredOrNot (types.listOf (mapType property.items));
+                      }
+                    else if property.type == "object" && hasAttr "additionalProperties" property
+                    then
+                      # if it is a reference to simple type
+                      if
+                        (
+                          hasAttr "$ref" property.additionalProperties
+                          && hasTypeMapping swagger.definitions.${refDefinition property.additionalProperties}
+                        )
+                      then {
+                        type = requiredOrNot (types.attrsOf (mapType swagger.definitions.${refDefinition property.additionalProperties}));
+                      }
+                      else if hasAttr "$ref" property.additionalProperties
+                      then {
+                        type = requiredOrNot types.attrs;
+                      }
+                      # if is an array
+                      else if property.additionalProperties.type == "array"
+                      then {
+                        type = requiredOrNot (types.loaOf (mapType property.additionalProperties.items));
+                      }
+                      else {
+                        type = requiredOrNot (types.attrsOf (mapType property.additionalProperties));
+                      }
+                    # just a simple property
+                    else {
+                      type = requiredOrNot (mapType property);
+                    };
+                in
+                  mkOption ({
+                      description = property.description or "";
+                    }
+                    // optionProperties)
               )
               definition.properties;
-          in
-          mapAttrs (name: property: mkOverride 1002 null) optionalProps;
-      }
-    )
-    swagger.definitions;
+            config = let
+              optionalProps =
+                filterAttrs
+                (
+                  propName: property:
+                    !(elem propName (definition.required or []))
+                )
+                definition.properties;
+            in
+              mapAttrs (name: property: mkOverride 1002 null) optionalProps;
+          }
+      )
+      swagger.definitions;
 
-  mapCharPairs = f: s1: s2: concatStrings (imap0
-    (i: c1:
-      f i c1 (if i >= stringLength s2 then "" else elemAt (stringToCharacters s2) i)
-    )
-    (stringToCharacters s1));
+  mapCharPairs = f: s1: s2:
+    concatStrings (imap0
+      (
+        i: c1:
+          f i c1 (
+            if i >= stringLength s2
+            then ""
+            else elemAt (stringToCharacters s2) i
+          )
+      )
+      (stringToCharacters s1));
 
   getAttrName = resource: kind:
     mapCharPairs
-      (i: c1: c2:
-        if hasPrefix "API" kind && i == 0 then "A"
-        else if i == 0 then c1
-        else if c2 == "" || (toLower c2) != c1 then c1
+    (
+      i: c1: c2:
+        if hasPrefix "API" kind && i == 0
+        then "A"
+        else if i == 0
+        then c1
+        else if c2 == "" || (toLower c2) != c1
+        then c1
         else c2
-      )
-      resource
-      kind;
+    )
+    resource
+    kind;
 
-  genResourceTypes = swagger: mapAttrs'
-    (name: path:
-      let
-        ref = refType (head path.post.parameters).schema;
-        group' = path.post."x-kubernetes-group-version-kind".group;
-        version' = path.post."x-kubernetes-group-version-kind".version;
-        kind' = path.post."x-kubernetes-group-version-kind".kind;
-        name' = last (splitString "/" name);
-        attrName = getAttrName name' kind';
-      in
+  genResourceTypes = swagger:
+    mapAttrs'
+    (name: path: let
+      ref = refType (head path.post.parameters).schema;
+      group' = path.post."x-kubernetes-group-version-kind".group;
+      version' = path.post."x-kubernetes-group-version-kind".version;
+      kind' = path.post."x-kubernetes-group-version-kind".kind;
+      name' = last (splitString "/" name);
+      attrName = getAttrName name' kind';
+    in
       nameValuePair ref {
         inherit ref attrName;
 
         name = name';
-        group = if group' == "" then "core" else group';
+        group =
+          if group' == ""
+          then "core"
+          else group';
         version = version';
         kind = kind';
         description = swagger.definitions.${ref}.description;
         defintion = refDefinition (head path.post.parameters).schema;
       })
     (filterAttrs
-      (name: path:
-        hasAttr "post" path &&
-        path.post."x-kubernetes-action" == "post"
+      (
+        name: path:
+          hasAttr "post" path
+          && path.post."x-kubernetes-action" == "post"
       )
       swagger.paths);
 
@@ -271,35 +287,38 @@ values}]'';
     })
     resourceTypes);
 
-  resourcesTypesByKindSortByVersion = mapAttrs
-    (kind: resourceTypes:
-      reverseList (sort
-        (r1: r2:
-          compareVersions r1.version r2.version > 0
-        )
-        resourceTypes)
+  resourcesTypesByKindSortByVersion =
+    mapAttrs
+    (
+      kind: resourceTypes:
+        reverseList (sort
+          (
+            r1: r2:
+              compareVersions r1.version r2.version > 0
+          )
+          resourceTypes)
     )
     resourceTypesByKind;
 
   latestResourceTypesByKind =
     mapAttrs (kind: resources: last resources) resourcesTypesByKindSortByVersion;
 
-  genResourceOptions = resource: with gen; let
-    submoduleForDefinition' = definition:
-      let
+  genResourceOptions = resource:
+    with gen; let
+      submoduleForDefinition' = definition: let
       in
-      submoduleForDefinition
+        submoduleForDefinition
         definition.ref
         definition.name
         definition.kind
         definition.group
         definition.version;
-  in
-  mkOption {
-    description = resource.description;
-    type = types.attrsOf (submoduleForDefinition' resource);
-    default = { };
-  };
+    in
+      mkOption {
+        description = resource.description;
+        type = types.attrsOf (submoduleForDefinition' resource);
+        default = {};
+      };
 
   generated = ''
     # This file was generated with kubenix k8s generator, do not edit
@@ -401,32 +420,37 @@ values}]'';
 
       definitions = {
         ${concatStrings (mapAttrsToList (name: value: ''
-          "${name}" = {
-            ${optionalString (hasAttr "options" value) "
+        "${name}" = {
+          ${optionalString (hasAttr "options" value) "
             options = {${concatStrings (mapAttrsToList (name: value: ''
-              "${name}" = ${value};
-            '') value.options)}};
+            "${name}" = ${value};
+          '')
+          value.options)}};
             "}
 
-            ${optionalString (hasAttr "config" value) ''
-              config = {${concatStrings (mapAttrsToList (name: value: ''
-                "${name}" = ${value};
-              '') value.config)}};
-            ''}
-          };
-        '') definitions)}
+          ${optionalString (hasAttr "config" value) ''
+          config = {${concatStrings (mapAttrsToList (name: value: ''
+              "${name}" = ${value};
+            '')
+            value.config)}};
+        ''}
+        };
+      '')
+      definitions)}
       };
     in {
       # all resource versions
       options = {
         resources = {
           ${concatStrings (mapAttrsToList (_: rt: ''
-            "${rt.group}"."${rt.version}"."${rt.kind}" = ${genResourceOptions rt};
-          '') resourceTypes)}
+        "${rt.group}"."${rt.version}"."${rt.kind}" = ${genResourceOptions rt};
+      '')
+      resourceTypes)}
         } // {
           ${concatStrings (mapAttrsToList (_: rt: ''
-            "${rt.attrName}" = ${genResourceOptions rt};
-          '') latestResourceTypesByKind)}
+        "${rt.attrName}" = ${genResourceOptions rt};
+      '')
+      latestResourceTypesByKind)}
         };
       };
 
@@ -435,32 +459,34 @@ values}]'';
         inherit definitions;
 
         # register resource types
-        types = [${concatStrings (mapAttrsToList (_: rt: ''{
-          name = "${rt.name}";
-          group = "${rt.group}";
-          version = "${rt.version}";
-          kind = "${rt.kind}";
-          attrName = "${rt.attrName}";
-        }'') resourceTypes)}];
+        types = [${concatStrings (mapAttrsToList (_: rt: ''      {
+                name = "${rt.name}";
+                group = "${rt.group}";
+                version = "${rt.version}";
+                kind = "${rt.kind}";
+                attrName = "${rt.attrName}";
+              }'')
+    resourceTypes)}];
 
         resources = {
           ${concatStrings (mapAttrsToList (_: rt: ''
-            "${rt.group}"."${rt.version}"."${rt.kind}" =
-              mkAliasDefinitions options.resources."${rt.attrName}";
-          '') latestResourceTypesByKind)}
+        "${rt.group}"."${rt.version}"."${rt.kind}" =
+          mkAliasDefinitions options.resources."${rt.attrName}";
+      '')
+      latestResourceTypesByKind)}
         };
       };
     }
   '';
 in
-pkgs.runCommand "k8s-${name}-gen.nix"
-{
-  buildInputs = [ pkgs.nixpkgs-fmt ];
-} ''
-  cat << 'GENERATED' > ./raw
-  "${generated}"
-  GENERATED
+  pkgs.runCommand "k8s-${name}-gen.nix"
+  {
+    buildInputs = [pkgs.nixpkgs-fmt];
+  } ''
+    cat << 'GENERATED' > ./raw
+    "${generated}"
+    GENERATED
 
-  nixpkgs-fmt ./raw
-  cp ./raw $out
-''
+    nixpkgs-fmt ./raw
+    cp ./raw $out
+  ''

lib/default.nix

@@ -1,7 +1,8 @@
-{ lib, pkgs }:
-
 {
-  k8s = import ./k8s { inherit lib; };
-  docker = import ./docker { inherit lib pkgs; };
-  helm = import ./helm { inherit pkgs; };
+  lib,
+  pkgs,
+}: {
+  k8s = import ./k8s {inherit lib;};
+  docker = import ./docker {inherit lib pkgs;};
+  helm = import ./helm {inherit pkgs;};
 }

lib/docker/default.nix

@@ -1,9 +1,13 @@
-{ lib, pkgs }:
-
-with lib;
-
 {
-  copyDockerImages = { images, dest, args ? "" }:
+  lib,
+  pkgs,
+}:
+with lib; {
+  copyDockerImages = {
+    images,
+    dest,
+    args ? "",
+  }:
     pkgs.writeScript "copy-docker-images.sh" (concatMapStrings
       (image: ''
         #!${pkgs.runtimeShell}

lib/helm/chart2json.nix

@@ -1,54 +1,54 @@
-{ stdenvNoCC, lib, kubernetes-helm, gawk, remarshal, jq }:
-
-with lib;
-
 {
-  # chart to template
-  chart
-
-  # release name
-, name
-
-  # namespace to install release into
-, namespace ? null
-
-  # values to pass to chart
-, values ? { }
-
-  # kubernetes version to template chart for
-, kubeVersion ? null
+  stdenvNoCC,
+  lib,
+  kubernetes-helm,
+  gawk,
+  remarshal,
+  jq,
 }:
-let
-  valuesJsonFile = builtins.toFile "${name}-values.json" (builtins.toJSON values);
-in
-stdenvNoCC.mkDerivation {
-  name = "${name}.json";
-  buildCommand = ''
-    # template helm file and write resources to yaml
-    helm template "${name}" \
-      ${optionalString (kubeVersion != null) "--api-versions ${kubeVersion}"} \
-      ${optionalString (namespace != null) "--namespace ${namespace}"} \
-      ${optionalString (values != { }) "-f ${valuesJsonFile}"} \
-      ${chart} >resources.yaml
+with lib;
+  {
+    # chart to template
+    chart,
+    # release name
+    name,
+    # namespace to install release into
+    namespace ? null,
+    # values to pass to chart
+    values ? {},
+    # kubernetes version to template chart for
+    kubeVersion ? null,
+  }: let
+    valuesJsonFile = builtins.toFile "${name}-values.json" (builtins.toJSON values);
+  in
+    stdenvNoCC.mkDerivation {
+      name = "${name}.json";
+      buildCommand = ''
+        # template helm file and write resources to yaml
+        helm template "${name}" \
+          ${optionalString (kubeVersion != null) "--api-versions ${kubeVersion}"} \
+          ${optionalString (namespace != null) "--namespace ${namespace}"} \
+          ${optionalString (values != {}) "-f ${valuesJsonFile}"} \
+          ${chart} >resources.yaml
 
-    # split multy yaml file into multiple files
-    awk 'BEGIN{i=1}{line[i++]=$0}END{j=1;n=0; while (j<i) {if (line[j] ~ /^---/) n++; else print line[j] >>"resource-"n".yaml"; j++}}' resources.yaml
+        # split multy yaml file into multiple files
+        awk 'BEGIN{i=1}{line[i++]=$0}END{j=1;n=0; while (j<i) {if (line[j] ~ /^---/) n++; else print line[j] >>"resource-"n".yaml"; j++}}' resources.yaml
 
-    # join multiple yaml files in jsonl file
-    for file in ./resource-*.yaml
-    do
-      remarshal -i $file -if yaml -of json >>resources.jsonl
-    done
+        # join multiple yaml files in jsonl file
+        for file in ./resource-*.yaml
+        do
+          remarshal -i $file -if yaml -of json >>resources.jsonl
+        done
 
-    # convert jsonl file to json array, remove null values and write to $out
-    cat resources.jsonl | jq -Scs 'walk(
-      if type == "object" then
-        with_entries(select(.value != null))
-      elif type == "array" then
-        map(select(. != null))
-      else
-        .
-      end)' > $out
-  '';
-  nativeBuildInputs = [ kubernetes-helm gawk remarshal jq ];
-}
+        # convert jsonl file to json array, remove null values and write to $out
+        cat resources.jsonl | jq -Scs 'walk(
+          if type == "object" then
+            with_entries(select(.value != null))
+          elif type == "array" then
+            map(select(. != null))
+          else
+            .
+          end)' > $out
+      '';
+      nativeBuildInputs = [kubernetes-helm gawk remarshal jq];
+    }

lib/helm/default.nix

@@ -1,6 +1,4 @@
-{ pkgs }:
-
-{
-  chart2json = pkgs.callPackage ./chart2json.nix { };
-  fetch = pkgs.callPackage ./fetchhelm.nix { };
+{pkgs}: {
+  chart2json = pkgs.callPackage ./chart2json.nix {};
+  fetch = pkgs.callPackage ./fetchhelm.nix {};
 }

lib/helm/fetchhelm.nix

@@ -1,50 +1,80 @@
-{ stdenvNoCC, lib, kubernetes-helm, cacert }:
-let
-  cleanName = name: lib.replaceStrings [ "/" ] [ "-" ] name;
-
-in
 {
-  # name of the chart
-  chart
+  stdenvNoCC,
+  lib,
+  kubernetes-helm,
+  cacert,
+}: let
+  cleanName = name: lib.replaceStrings ["/"] ["-"] name;
+in
+  {
+    # name of the chart
+    chart,
+    # chart url to fetch from custom location
+    chartUrl ? null,
+    # version of the chart
+    version ? null,
+    # chart hash
+    sha256,
+    # whether to extract chart
+    untar ? true,
+    # use custom charts repo
+    repo ? null,
+    # pass --verify to helm chart
+    verify ? false,
+    # pass --devel to helm chart
+    devel ? false,
+  }:
+    stdenvNoCC.mkDerivation {
+      name = "${cleanName chart}-${
+        if version == null
+        then "dev"
+        else version
+      }";
 
-  # chart url to fetch from custom location
-, chartUrl ? null
-
-  # version of the chart
-, version ? null
-
-  # chart hash
-, sha256
-
-  # whether to extract chart
-, untar ? true
-
-  # use custom charts repo
-, repo ? null
-
-  # pass --verify to helm chart
-, verify ? false
-
-  # pass --devel to helm chart
-, devel ? false
-}: stdenvNoCC.mkDerivation {
-  name = "${cleanName chart}-${if version == null then "dev" else version}";
-
-  buildCommand = ''
-    export HOME="$PWD"
-    echo "adding helm repo"
-    ${if repo == null then "" else "helm repo add repository ${repo}"}
-    echo "fetching helm chart"
-    helm fetch -d ./chart \
-      ${if untar then "--untar" else ""} \
-      ${if version == null then "" else "--version ${version}"} \
-      ${if devel then "--devel" else ""} \
-      ${if verify then "--verify" else ""} \
-      ${if chartUrl == null then (if repo == null then chart else "repository/${chart}") else chartUrl}
-    cp -r chart/*/ $out
-  '';
-  outputHashMode = "recursive";
-  outputHashAlgo = "sha256";
-  outputHash = sha256;
-  nativeBuildInputs = [ kubernetes-helm cacert ];
-}
+      buildCommand = ''
+        export HOME="$PWD"
+        echo "adding helm repo"
+        ${
+          if repo == null
+          then ""
+          else "helm repo add repository ${repo}"
+        }
+        echo "fetching helm chart"
+        helm fetch -d ./chart \
+          ${
+          if untar
+          then "--untar"
+          else ""
+        } \
+          ${
+          if version == null
+          then ""
+          else "--version ${version}"
+        } \
+          ${
+          if devel
+          then "--devel"
+          else ""
+        } \
+          ${
+          if verify
+          then "--verify"
+          else ""
+        } \
+          ${
+          if chartUrl == null
+          then
+            (
+              if repo == null
+              then chart
+              else "repository/${chart}"
+            )
+          else chartUrl
+        }
+        cp -r chart/*/ $out
+      '';
+      outputHashMode = "recursive";
+      outputHashAlgo = "sha256";
+      outputHash = sha256;
+      nativeBuildInputs = [kubernetes-helm cacert];
+    }

lib/helm/test.nix

@@ -1,9 +1,7 @@
-{ pkgs ? import <nixpkgs> { } }:
-let
-  fetchhelm = pkgs.callPackage ./fetchhelm.nix { };
-  chart2json = pkgs.callPackage ./chart2json.nix { };
-in
-rec {
+{pkgs ? import <nixpkgs> {}}: let
+  fetchhelm = pkgs.callPackage ./fetchhelm.nix {};
+  chart2json = pkgs.callPackage ./chart2json.nix {};
+in rec {
   postgresql-chart = fetchhelm {
     chart = "stable/postgresql";
     version = "0.18.1";

lib/k8s/default.nix

@@ -1,31 +1,43 @@
-{ lib }:
-
-with lib;
-
-rec {
+{lib}:
+with lib; rec {
   # TODO: refactor with mkOptionType
-  mkSecretOption = { description ? "", default ? { }, allowNull ? true }: mkOption {
-    inherit description;
-    type = (if allowNull then types.nullOr else id) (types.submodule {
-      options = {
-        name = mkOption ({
-          description = "Name of the secret where secret is stored";
-          type = types.str;
-          default = default.name;
-        } // (optionalAttrs (default ? "name") {
-          default = default.name;
-        }));
+  mkSecretOption = {
+    description ? "",
+    default ? {},
+    allowNull ? true,
+  }:
+    mkOption {
+      inherit description;
+      type =
+        (
+          if allowNull
+          then types.nullOr
+          else id
+        ) (types.submodule {
+          options = {
+            name = mkOption ({
+                description = "Name of the secret where secret is stored";
+                type = types.str;
+                default = default.name;
+              }
+              // (optionalAttrs (default ? "name") {
+                default = default.name;
+              }));
 
-        key = mkOption ({
-          description = "Name of the key where secret is stored";
-          type = types.str;
-        } // (optionalAttrs (default ? "key") {
-          default = default.key;
-        }));
-      };
-    });
-    default = if default == null then null else { };
-  };
+            key = mkOption ({
+                description = "Name of the key where secret is stored";
+                type = types.str;
+              }
+              // (optionalAttrs (default ? "key") {
+                default = default.key;
+              }));
+          };
+        });
+      default =
+        if default == null
+        then null
+        else {};
+    };
 
   secretToEnv = value: {
     valueFrom.secretKeyRef = {
@@ -34,7 +46,10 @@ rec {
   };
 
   # Creates kubernetes list from a list of kubernetes objects
-  mkList = { items, labels ? { } }: {
+  mkList = {
+    items,
+    labels ? {},
+  }: {
     kind = "List";
     apiVersion = "v1";
 
@@ -42,22 +57,27 @@ rec {
   };
 
   # Creates hashed kubernetes list from a list of kubernetes objects
-  mkHashedList = { items, labels ? { } }:
-    let
-      hash = builtins.hashString "sha1" (builtins.toJSON items);
+  mkHashedList = {
+    items,
+    labels ? {},
+  }: let
+    hash = builtins.hashString "sha1" (builtins.toJSON items);
 
-      labeledItems = map
-        (item: recursiveUpdate item {
+    labeledItems =
+      map
+      (item:
+        recursiveUpdate item {
           metadata.labels."kubenix/hash" = hash;
         })
-        items;
-
-    in
+      items;
+  in
     mkList {
       items = labeledItems;
-      labels = {
-        "kubenix/hash" = hash;
-      } // labels;
+      labels =
+        {
+          "kubenix/hash" = hash;
+        }
+        // labels;
     };
 
   toBase64 = lib.toBase64;

lib/upstreamables.nix

@@ -1,36 +1,45 @@
-{ lib, pkgs }:
+{
+  lib,
+  pkgs,
+}:
+with lib; let
+  self = {
+    importYAML = path:
+      importJSON (pkgs.runCommand "yaml-to-json" {} ''
+        ${pkgs.remarshal}/bin/remarshal -i ${path} -if yaml -of json > $out
+      '');
 
-with lib;
+    toYAML = config:
+      builtins.readFile (pkgs.runCommand "to-yaml" {} ''
+        ${pkgs.remarshal}/bin/remarshal -i ${pkgs.writeText "to-json" (builtins.toJSON config)} -if json -of yaml > $out
+      '');
 
-let self = {
+    toMultiDocumentYaml = name: documents:
+      pkgs.runCommand name {}
+      (concatMapStringsSep "\necho --- >> $out\n"
+        (
+          d: "${pkgs.remarshal}/bin/remarshal -i ${builtins.toFile "doc" (builtins.toJSON d)} -if json -of yaml >> $out"
+        )
+        documents);
 
-  importYAML = path: importJSON (pkgs.runCommand "yaml-to-json" { } ''
-    ${pkgs.remarshal}/bin/remarshal -i ${path} -if yaml -of json > $out
-  '');
+    toBase64 = value:
+      builtins.readFile
+      (pkgs.runCommand "value-to-b64" {} "echo -n '${value}' | ${pkgs.coreutils}/bin/base64 -w0 > $out");
 
-  toYAML = config: builtins.readFile (pkgs.runCommand "to-yaml" { } ''
-    ${pkgs.remarshal}/bin/remarshal -i ${pkgs.writeText "to-json" (builtins.toJSON config)} -if json -of yaml > $out
-  '');
+    exp = base: exp: foldr (value: acc: acc * base) 1 (range 1 exp);
 
-  toMultiDocumentYaml = name: documents: pkgs.runCommand name { }
-    (concatMapStringsSep "\necho --- >> $out\n"
-      (d:
-        "${pkgs.remarshal}/bin/remarshal -i ${builtins.toFile "doc" (builtins.toJSON d)} -if json -of yaml >> $out"
-      )
-      documents);
-
-  toBase64 = value:
-    builtins.readFile
-      (pkgs.runCommand "value-to-b64" { } "echo -n '${value}' | ${pkgs.coreutils}/bin/base64 -w0 > $out");
-
-  exp = base: exp: foldr (value: acc: acc * base) 1 (range 1 exp);
-
-  octalToDecimal = value: (foldr
-    (char: acc: {
-      i = acc.i + 1;
-      value = acc.value + (toInt char) * (self.exp 8 acc.i);
-    })
-    { i = 0; value = 0; }
-    (stringToCharacters value)).value;
-};
-in self
+    octalToDecimal = value:
+      (foldr
+        (char: acc: {
+          i = acc.i + 1;
+          value = acc.value + (toInt char) * (self.exp 8 acc.i);
+        })
+        {
+          i = 0;
+          value = 0;
+        }
+        (stringToCharacters value))
+      .value;
+  };
+in
+  self

modules/base.nix

@@ -1,8 +1,9 @@
-{ config, lib, ... }:
-
-with lib;
-
 {
+  config,
+  lib,
+  ...
+}:
+with lib; {
   options = {
     kubenix.project = mkOption {
       description = "Name of the project";
@@ -13,27 +14,27 @@ with lib;
     _m.features = mkOption {
       description = "List of features exposed by module";
       type = types.listOf types.str;
-      default = [ ];
+      default = [];
     };
 
     _m.propagate = mkOption {
       description = "Module propagation options";
-      type = types.listOf (types.submodule ({ config, ... }: {
+      type = types.listOf (types.submodule ({config, ...}: {
         options = {
           features = mkOption {
             description = "List of features that submodule has to have to propagate module";
             type = types.listOf types.str;
-            default = [ ];
+            default = [];
           };
 
           module = mkOption {
             description = "Module to propagate";
             type = types.unspecified;
-            default = { };
+            default = {};
           };
         };
       }));
-      default = [ ];
+      default = [];
     };
   };
 }

modules/docker.nix

@@ -1,11 +1,14 @@
-{ config, lib, pkgs, docker, ... }:
-
-with lib;
-let
-  cfg = config.docker;
-in
 {
-  imports = [ ./base.nix ];
+  config,
+  lib,
+  pkgs,
+  docker,
+  ...
+}:
+with lib; let
+  cfg = config.docker;
+in {
+  imports = [./base.nix];
 
   options.docker = {
     registry.url = mkOption {
@@ -16,7 +19,11 @@ in
 
     images = mkOption {
       description = "Attribute set of docker images that should be published";
-      type = types.attrsOf (types.submodule ({ name, config, ... }: {
+      type = types.attrsOf (types.submodule ({
+        name,
+        config,
+        ...
+      }: {
         options = {
           image = mkOption {
             description = "Docker image to publish";
@@ -52,13 +59,13 @@ in
           };
         };
       }));
-      default = { };
+      default = {};
     };
 
     export = mkOption {
       description = "List of images to export";
       type = types.listOf types.package;
-      default = [ ];
+      default = [];
     };
 
     copyScript = mkOption {
@@ -73,22 +80,29 @@ in
 
   config = {
     # define docker feature
-    _m.features = [ "docker" ];
+    _m.features = ["docker"];
 
     # propagate docker options if docker feature is enabled
-    _m.propagate = [{
-      features = [ "docker" ];
-      module = { config, name, ... }: {
-        # propagate registry options
-        docker.registry = cfg.registry;
-      };
-    }];
+    _m.propagate = [
+      {
+        features = ["docker"];
+        module = {
+          config,
+          name,
+          ...
+        }: {
+          # propagate registry options
+          docker.registry = cfg.registry;
+        };
+      }
+    ];
 
     # pass docker library as param
-    _module.args.docker = import ../lib/docker { inherit lib pkgs; };
+    _module.args.docker = import ../lib/docker {inherit lib pkgs;};
 
     # list of exported docker images
-    docker.export = mapAttrsToList (_: i: i.image)
+    docker.export =
+      mapAttrsToList (_: i: i.image)
       (filterAttrs (_: i: i.registry != null) config.docker.images);
   };
 }

modules/helm.nix

@@ -1,10 +1,13 @@
 # helm defines kubenix module with options for using helm charts
 # with kubenix
-
-{ config, lib, pkgs, helm, ... }:
-
-with lib;
-let
+{
+  config,
+  lib,
+  pkgs,
+  helm,
+  ...
+}:
+with lib; let
   cfg = config.kubernetes.helm;
 
   globalConfig = config;
@@ -13,26 +16,29 @@ let
     name = "recursive-attrs";
     description = "recursive attribute set";
     check = isAttrs;
-    merge = loc: foldl' (res: def: recursiveUpdate res def.value) { };
+    merge = loc: foldl' (res: def: recursiveUpdate res def.value) {};
   };
 
-  parseApiVersion = apiVersion:
-    let
-      splitted = splitString "/" apiVersion;
-    in
-    {
-      group = if length splitted == 1 then "core" else head splitted;
-      version = last splitted;
-    };
-
-in
-{
-  imports = [ ./k8s.nix ];
+  parseApiVersion = apiVersion: let
+    splitted = splitString "/" apiVersion;
+  in {
+    group =
+      if length splitted == 1
+      then "core"
+      else head splitted;
+    version = last splitted;
+  };
+in {
+  imports = [./k8s.nix];
 
   options.kubernetes.helm = {
     instances = mkOption {
       description = "Attribute set of helm instances";
-      type = types.attrsOf (types.submodule ({ config, name, ... }: {
+      type = types.attrsOf (types.submodule ({
+        config,
+        name,
+        ...
+      }: {
         options = {
           name = mkOption {
             description = "Helm release name";
@@ -54,7 +60,7 @@ in
           values = mkOption {
             description = "Values to pass to chart";
             type = recursiveAttrs;
-            default = { };
+            default = {};
           };
 
           kubeVersion = mkOption {
@@ -66,7 +72,7 @@ in
           overrides = mkOption {
             description = "Overrides to apply to all chart resources";
             type = types.listOf types.unspecified;
-            default = [ ];
+            default = [];
           };
 
           overrideNamespace = mkOption {
@@ -78,39 +84,41 @@ in
           objects = mkOption {
             description = "Generated kubernetes objects";
             type = types.listOf types.attrs;
-            default = [ ];
+            default = [];
           };
         };
 
-        config.overrides = mkIf (config.overrideNamespace && config.namespace != null) [{
-          metadata.namespace = config.namespace;
-        }];
+        config.overrides = mkIf (config.overrideNamespace && config.namespace != null) [
+          {
+            metadata.namespace = config.namespace;
+          }
+        ];
 
         config.objects = importJSON (helm.chart2json {
           inherit (config) chart name namespace values kubeVersion;
         });
       }));
-      default = { };
+      default = {};
     };
   };
 
   config = {
     # expose helm helper methods as module argument
-    _module.args.helm = import ../lib/helm { inherit pkgs; };
+    _module.args.helm = import ../lib/helm {inherit pkgs;};
 
     kubernetes.api.resources = mkMerge (flatten (mapAttrsToList
-      (_: instance:
-        map
-          (object:
-            let
-              apiVersion = parseApiVersion object.apiVersion;
-              name = object.metadata.name;
-            in
-            {
-              "${apiVersion.group}"."${apiVersion.version}".${object.kind}."${name}" = mkMerge ([
+      (
+        _: instance:
+          map
+          (object: let
+            apiVersion = parseApiVersion object.apiVersion;
+            name = object.metadata.name;
+          in {
+            "${apiVersion.group}"."${apiVersion.version}".${object.kind}."${name}" = mkMerge ([
                 object
-              ] ++ instance.overrides);
-            })
+              ]
+              ++ instance.overrides);
+          })
           instance.objects
       )
       cfg.instances));

modules/istio-overrides.nix

@@ -1,16 +1,19 @@
-{ lib, definitions }:
-
-with lib;
-
 {
-  "istio_networking_v1alpha3_StringMatch" = recursiveUpdate
-    (recursiveUpdate
+  lib,
+  definitions,
+}:
+with lib; {
+  "istio_networking_v1alpha3_StringMatch" =
+    recursiveUpdate
+    (
+      recursiveUpdate
       definitions."istio_networking_v1alpha3_StringMatch_Exact"
       definitions."istio_networking_v1alpha3_StringMatch_Prefix"
     )
     definitions."istio_networking_v1alpha3_StringMatch_Regex";
 
-  "istio_networking_v1alpha3_PortSelector" = recursiveUpdate
+  "istio_networking_v1alpha3_PortSelector" =
+    recursiveUpdate
     definitions."istio_networking_v1alpha3_PortSelector_Name"
     definitions."istio_networking_v1alpha3_PortSelector_Number";
 }

modules/k8s.nix

@@ -1,33 +1,36 @@
 # K8S module defines kubernetes definitions for kubenix
-
-{ options, config, lib, pkgs, k8s, ... }:
-
-with lib;
-let
+{
+  options,
+  config,
+  lib,
+  pkgs,
+  k8s,
+  ...
+}:
+with lib; let
   cfg = config.kubernetes;
 
   gvkKeyFn = type: "${type.group}/${type.version}/${type.kind}";
 
   getDefaults = resource: group: version: kind:
     catAttrs "default" (filter
-      (default:
-        (resource == null || default.resource == null || default.resource == resource) &&
-        (default.group == null || default.group == group) &&
-        (default.version == null || default.version == version) &&
-        (default.kind == null || default.kind == kind)
+      (
+        default:
+          (resource == null || default.resource == null || default.resource == resource)
+          && (default.group == null || default.group == group)
+          && (default.version == null || default.version == version)
+          && (default.kind == null || default.kind == kind)
       )
       cfg.api.defaults);
 
   moduleToAttrs = value:
     if isAttrs value
     then mapAttrs (n: v: moduleToAttrs v) (filterAttrs (n: v: v != null && !(hasPrefix "_" n)) value)
-
     else if isList value
     then map (v: moduleToAttrs v) value
-
     else value;
 
-  apiOptions = { config, ... }: {
+  apiOptions = {config, ...}: {
     options = {
       definitions = mkOption {
         description = "Attribute set of kubernetes definitions";
@@ -35,7 +38,7 @@ let
 
       defaults = mkOption {
         description = "Kubernetes defaults to apply to resources";
-        type = types.listOf (types.submodule ({ config, ... }: {
+        type = types.listOf (types.submodule ({config, ...}: {
           options = {
             group = mkOption {
               description = "Group to apply default to (all by default)";
@@ -70,17 +73,18 @@ let
             default = mkOption {
               description = "Default to apply";
               type = types.unspecified;
-              default = { };
+              default = {};
             };
           };
         }));
-        default = [ ];
+        default = [];
         apply = unique;
       };
 
       types = mkOption {
         description = "List of registered kubernetes types";
-        type = coerceListOfSubmodulesToAttrs
+        type =
+          coerceListOfSubmodulesToAttrs
           {
             options = {
               group = mkOption {
@@ -110,7 +114,7 @@ let
             };
           }
           gvkKeyFn;
-        default = { };
+        default = {};
       };
     };
 
@@ -121,17 +125,26 @@ let
   };
 
   indexOf = lst: value:
-    head (filter (v: v != -1) (imap0 (i: v: if v == value then i else -1) lst));
+    head (filter (v: v != -1) (imap0 (i: v:
+      if v == value
+      then i
+      else -1)
+    lst));
 
-  compareVersions = ver1: ver2:
-    let
-      getVersion = v: substring 1 10 v;
-      splittedVer1 = builtins.splitVersion (getVersion ver1);
-      splittedVer2 = builtins.splitVersion (getVersion ver2);
+  compareVersions = ver1: ver2: let
+    getVersion = v: substring 1 10 v;
+    splittedVer1 = builtins.splitVersion (getVersion ver1);
+    splittedVer2 = builtins.splitVersion (getVersion ver2);
 
-      v1 = if length splittedVer1 == 1 then "${getVersion ver1}prod" else getVersion ver1;
-      v2 = if length splittedVer2 == 1 then "${getVersion ver2}prod" else getVersion ver2;
-    in
+    v1 =
+      if length splittedVer1 == 1
+      then "${getVersion ver1}prod"
+      else getVersion ver1;
+    v2 =
+      if length splittedVer2 == 1
+      then "${getVersion ver2}prod"
+      else getVersion ver2;
+  in
     builtins.compareVersions v1 v2;
 
   customResourceTypesByAttrName = zipAttrs (mapAttrsToList
@@ -140,20 +153,23 @@ let
     })
     cfg.customTypes);
 
-  customResourceTypesByAttrNameSortByVersion = mapAttrs
-    (_: resourceTypes:
-      reverseList (sort
-        (r1: r2:
-          compareVersions r1.version r2.version > 0
-        )
-        resourceTypes)
+  customResourceTypesByAttrNameSortByVersion =
+    mapAttrs
+    (
+      _: resourceTypes:
+        reverseList (sort
+          (
+            r1: r2:
+              compareVersions r1.version r2.version > 0
+          )
+          resourceTypes)
     )
     customResourceTypesByAttrName;
 
   latestCustomResourceTypes =
     mapAttrsToList (_: resources: last resources) customResourceTypesByAttrNameSortByVersion;
 
-  customResourceModuleForType = config: ct: { name, ... }: {
+  customResourceModuleForType = config: ct: {name, ...}: {
     imports = getDefaults ct.name ct.group ct.version ct.kind;
     options = {
       apiVersion = mkOption {
@@ -174,7 +190,7 @@ let
       spec = mkOption {
         description = "Module spec";
         type = types.either types.attrs (types.submodule ct.module);
-        default = { };
+        default = {};
       };
     };
 
@@ -185,81 +201,78 @@ let
     };
   };
 
-  customResourceOptions = (mapAttrsToList
-    (_: ct: { config, ... }:
-      let
+  customResourceOptions =
+    (mapAttrsToList
+      (_: ct: {config, ...}: let
         module = customResourceModuleForType config ct;
-      in
-      {
+      in {
         options.resources.${ct.group}.${ct.version}.${ct.kind} = mkOption {
           description = ct.description;
           type = types.attrsOf (types.submodule module);
-          default = { };
+          default = {};
         };
       })
-    cfg.customTypes) ++ (map
-    (ct: { options, config, ... }:
-      let
+      cfg.customTypes)
+    ++ (map
+      (ct: {
+        options,
+        config,
+        ...
+      }: let
         module = customResourceModuleForType config ct;
-      in
-      {
+      in {
         options.resources.${ct.attrName} = mkOption {
           description = ct.description;
           type = types.attrsOf (types.submodule module);
-          default = { };
+          default = {};
         };
 
         config.resources.${ct.group}.${ct.version}.${ct.kind} =
           mkAliasDefinitions options.resources.${ct.attrName};
       })
-    latestCustomResourceTypes);
+      latestCustomResourceTypes);
 
-  coerceListOfSubmodulesToAttrs = submodule: keyFn:
-    let
-      mergeValuesByFn = keyFn: values:
-        listToAttrs (map
-          (value:
+  coerceListOfSubmodulesToAttrs = submodule: keyFn: let
+    mergeValuesByFn = keyFn: values:
+      listToAttrs (map
+        (
+          value:
             nameValuePair (toString (keyFn value)) value
-          )
-          values);
+        )
+        values);
 
-      # Either value of type `finalType` or `coercedType`, the latter is
-      # converted to `finalType` using `coerceFunc`.
-      coercedTo = coercedType: coerceFunc: finalType:
-        mkOptionType rec {
-          name = "coercedTo";
-          description = "${finalType.description} or ${coercedType.description}";
-          check = x: finalType.check x || coercedType.check x;
-          merge = loc: defs:
-            let
-              coerceVal = val:
-                if finalType.check val then
-                  val
-                else
-                  let coerced = coerceFunc val; in assert finalType.check coerced; coerced;
-
-            in
-            finalType.merge loc (map (def: def // { value = coerceVal def.value; }) defs);
-          getSubOptions = finalType.getSubOptions;
-          getSubModules = finalType.getSubModules;
-          substSubModules = m: coercedTo coercedType coerceFunc (finalType.substSubModules m);
-          typeMerge = t1: t2: null;
-          functor = (defaultFunctor name) // { wrapped = finalType; };
-        };
-    in
+    # Either value of type `finalType` or `coercedType`, the latter is
+    # converted to `finalType` using `coerceFunc`.
+    coercedTo = coercedType: coerceFunc: finalType:
+      mkOptionType rec {
+        name = "coercedTo";
+        description = "${finalType.description} or ${coercedType.description}";
+        check = x: finalType.check x || coercedType.check x;
+        merge = loc: defs: let
+          coerceVal = val:
+            if finalType.check val
+            then val
+            else let coerced = coerceFunc val; in assert finalType.check coerced; coerced;
+        in
+          finalType.merge loc (map (def: def // {value = coerceVal def.value;}) defs);
+        getSubOptions = finalType.getSubOptions;
+        getSubModules = finalType.getSubModules;
+        substSubModules = m: coercedTo coercedType coerceFunc (finalType.substSubModules m);
+        typeMerge = t1: t2: null;
+        functor = (defaultFunctor name) // {wrapped = finalType;};
+      };
+  in
     coercedTo
-      (types.listOf (types.submodule submodule))
-      (mergeValuesByFn keyFn)
-      (types.attrsOf (types.submodule submodule));
-
-in
-{
-  imports = [ ./base.nix ];
+    (types.listOf (types.submodule submodule))
+    (mergeValuesByFn keyFn)
+    (types.attrsOf (types.submodule submodule));
+in {
+  imports = [./base.nix];
 
   options.kubernetes = {
     version = mkOption {
       description = "Kubernetes version to use";
-      type = types.enum [ "1.19" "1.20" "1.21" ];
+      type = types.enum ["1.19" "1.20" "1.21"];
       default = "1.21";
     };
 
@@ -280,29 +293,32 @@ in
 
     api = mkOption {
       type = types.submodule {
-        imports = [
-          (./generated + ''/v'' + cfg.version + ".nix")
-          apiOptions
-        ] ++ customResourceOptions;
+        imports =
+          [
+            (./generated + ''/v'' + cfg.version + ".nix")
+            apiOptions
+          ]
+          ++ customResourceOptions;
       };
-      default = { };
+      default = {};
     };
 
     imports = mkOption {
       type = types.listOf (types.either types.package types.path);
       description = "List of resources to import";
-      default = [ ];
+      default = [];
     };
 
     resources = mkOption {
       description = "Alias for `config.kubernetes.api.resources` options";
-      default = { };
+      default = {};
       type = types.attrsOf types.attrs;
     };
 
     customTypes = mkOption {
       description = "List of custom resource types to make API for";
-      type = coerceListOfSubmodulesToAttrs
+      type =
+        coerceListOfSubmodulesToAttrs
         {
           options = {
             group = mkOption {
@@ -340,25 +356,29 @@ in
             module = mkOption {
               description = "Custom type module";
               type = types.unspecified;
-              default = { };
+              default = {};
             };
           };
         }
         gvkKeyFn;
-      default = { };
+      default = {};
     };
 
     objects = mkOption {
       description = "List of generated kubernetes objects";
       type = types.listOf types.attrs;
-      apply = items: sort
-        (r1: r2:
-          if elem r1.kind cfg.resourceOrder && elem r2.kind cfg.resourceOrder
-          then indexOf cfg.resourceOrder r1.kind < indexOf cfg.resourceOrder r2.kind
-          else if elem r1.kind cfg.resourceOrder then true else false
+      apply = items:
+        sort
+        (
+          r1: r2:
+            if elem r1.kind cfg.resourceOrder && elem r2.kind cfg.resourceOrder
+            then indexOf cfg.resourceOrder r1.kind < indexOf cfg.resourceOrder r2.kind
+            else if elem r1.kind cfg.resourceOrder
+            then true
+            else false
         )
         (unique items);
-      default = [ ];
+      default = [];
     };
 
     generated = mkOption {
@@ -379,26 +399,26 @@ in
 
   config = {
     # features that module is defining
-    _m.features = [ "k8s" ];
+    _m.features = ["k8s"];
 
     # module propagation options
-    _m.propagate = [{
-      features = [ "k8s" ];
-      module = { config, ... }: {
-        # propagate kubernetes version and namespace
-        kubernetes.version = mkDefault cfg.version;
-        kubernetes.namespace = mkDefault cfg.namespace;
-      };
-    }
+    _m.propagate = [
       {
-        features = [ "k8s" "submodule" ];
-        module = { config, ... }: {
+        features = ["k8s"];
+        module = {config, ...}: {
+          # propagate kubernetes version and namespace
+          kubernetes.version = mkDefault cfg.version;
+          kubernetes.namespace = mkDefault cfg.namespace;
+        };
+      }
+      {
+        features = ["k8s" "submodule"];
+        module = {config, ...}: {
           # set module defaults
           kubernetes.api.defaults = (
             # propagate defaults if default propagation is enabled
-            (filter (default: default.propagate) cfg.api.defaults) ++
-
-            [
+            (filter (default: default.propagate) cfg.api.defaults)
+            ++ [
               # set module name and version for all kuberentes resources
               {
                 default.metadata.labels = {
@@ -409,38 +429,44 @@ in
             ]
           );
         };
-      }];
+      }
+    ];
 
     # expose k8s helper methods as module argument
-    _module.args.k8s = import ../lib/k8s { inherit lib; };
+    _module.args.k8s = import ../lib/k8s {inherit lib;};
 
-    kubernetes.api = mkMerge ([{
-      # register custom types
-      types = mapAttrsToList
-        (_: cr: {
-          inherit (cr) name group version kind attrName;
-        })
-        cfg.customTypes;
+    kubernetes.api = mkMerge ([
+        {
+          # register custom types
+          types =
+            mapAttrsToList
+            (_: cr: {
+              inherit (cr) name group version kind attrName;
+            })
+            cfg.customTypes;
 
-      defaults = [{
-        default = {
-          # set default kubernetes namespace to all resources
-          metadata.namespace = mkIf (config.kubernetes.namespace != null)
-            (mkDefault config.kubernetes.namespace);
+          defaults = [
+            {
+              default = {
+                # set default kubernetes namespace to all resources
+                metadata.namespace =
+                  mkIf (config.kubernetes.namespace != null)
+                  (mkDefault config.kubernetes.namespace);
 
-          # set project name to all resources
-          metadata.annotations = {
-            "kubenix/project-name" = config.kubenix.project;
-            "kubenix/k8s-version" = cfg.version;
-          };
-        };
-      }];
-    }] ++
-
-    # import of yaml files
-    (map
-      (i:
-        let
+                # set project name to all resources
+                metadata.annotations = {
+                  "kubenix/project-name" = config.kubenix.project;
+                  "kubenix/k8s-version" = cfg.version;
+                };
+              };
+            }
+          ];
+        }
+      ]
+      ++
+      # import of yaml files
+      (map
+        (i: let
           # load yaml file
           object = importYAML i;
           groupVersion = splitString "/" object.apiVersion;
@@ -448,17 +474,18 @@ in
           version = last groupVersion;
           group =
             if version == (head groupVersion)
-            then "core" else head groupVersion;
+            then "core"
+            else head groupVersion;
           kind = object.kind;
-        in
-        {
+        in {
           resources.${group}.${version}.${kind}.${name} = object;
         })
-      cfg.imports));
+        cfg.imports));
 
     kubernetes.objects = flatten (mapAttrsToList
-      (_: type:
-        mapAttrsToList (name: resource: moduleToAttrs resource)
+      (
+        _: type:
+          mapAttrsToList (name: resource: moduleToAttrs resource)
           cfg.api.resources.${type.group}.${type.version}.${type.kind}
       )
       cfg.api.types);

modules/submodule.nix

@@ -1,8 +1,10 @@
-{ config, lib, ... }:
-
-with lib;
 {
-  imports = [ ./base.nix ];
+  config,
+  lib,
+  ...
+}:
+with lib; {
+  imports = [./base.nix];
 
   options.submodule = {
     name = mkOption {
@@ -25,24 +27,24 @@ with lib;
     tags = mkOption {
       description = "List of submodule tags";
       type = types.listOf types.str;
-      default = [ ];
+      default = [];
     };
 
     exports = mkOption {
       description = "Attribute set of functions to export";
       type = types.attrs;
-      default = { };
+      default = {};
     };
 
     passthru = mkOption {
       description = "Attribute set to passthru";
       type = types.attrs;
-      default = { };
+      default = {};
     };
 
-    args._empty = mkOption { };
+    args._empty = mkOption {};
   };
 
   config._module.args.args = config.submodule.args;
-  config._m.features = [ "submodule" ];
+  config._m.features = ["submodule"];
 }

modules/submodules.nix

@@ -1,140 +1,183 @@
-{ config, options, kubenix, pkgs, lib, ... }:
-
-with lib;
-let
+{
+  config,
+  options,
+  kubenix,
+  pkgs,
+  lib,
+  ...
+}:
+with lib; let
   cfg = config.submodules;
   parentConfig = config;
 
   matchesVersion = requiredVersion: version:
-    if requiredVersion != null then
+    if requiredVersion != null
+    then
       if hasPrefix "~" requiredVersion
       then (builtins.match (removePrefix "~" requiredVersion) version) != null
       else requiredVersion == version
     else true;
 
-  getDefaults = { name, version, tags, features }:
+  getDefaults = {
+    name,
+    version,
+    tags,
+    features,
+  }:
     catAttrs "default" (filter
-      (submoduleDefault:
-        (submoduleDefault.name == null || submoduleDefault.name == name) &&
-        (matchesVersion submoduleDefault.version version) &&
-        (
-          (length submoduleDefault.tags == 0) ||
-          (length (intersectLists submoduleDefault.tags tags)) > 0
-        ) &&
-        (
-          (length submoduleDefault.features == 0) ||
-          (length (intersectLists submoduleDefault.features features)) > 0
-        )
+      (
+        submoduleDefault:
+          (submoduleDefault.name == null || submoduleDefault.name == name)
+          && (matchesVersion submoduleDefault.version version)
+          && (
+            (length submoduleDefault.tags == 0)
+            || (length (intersectLists submoduleDefault.tags tags)) > 0
+          )
+          && (
+            (length submoduleDefault.features == 0)
+            || (length (intersectLists submoduleDefault.features features)) > 0
+          )
       )
       config.submodules.defaults);
 
-  specialArgs = cfg.specialArgs // {
-    parentConfig = config;
-  };
+  specialArgs =
+    cfg.specialArgs
+    // {
+      parentConfig = config;
+    };
 
-  findSubmodule = { name, version ? null, latest ? true }:
-    let
-      matchingSubmodules = filter
-        (el:
-          el.definition.name == name &&
-          (matchesVersion version el.definition.version)
-        )
-        cfg.imports;
+  findSubmodule = {
+    name,
+    version ? null,
+    latest ? true,
+  }: let
+    matchingSubmodules =
+      filter
+      (
+        el:
+          el.definition.name
+          == name
+          && (matchesVersion version el.definition.version)
+      )
+      cfg.imports;
 
-      versionSortedSubmodules = sort
-        (s1: s2:
+    versionSortedSubmodules =
+      sort
+      (
+        s1: s2:
           if builtins.compareVersions s1.definition.version s2.definition.version > 0
-          then true else false
-        )
-        matchingSubmodules;
+          then true
+          else false
+      )
+      matchingSubmodules;
 
-      matchingModule =
-        if length versionSortedSubmodules == 0
-        then throw "No module found ${name}/${if version == null then "latest" else version}"
-        else head versionSortedSubmodules;
-    in
+    matchingModule =
+      if length versionSortedSubmodules == 0
+      then
+        throw "No module found ${name}/${
+          if version == null
+          then "latest"
+          else version
+        }"
+      else head versionSortedSubmodules;
+  in
     matchingModule;
 
-  passthruConfig = mapAttrsToList
+  passthruConfig =
+    mapAttrsToList
     (name: opt: {
       ${name} = mkMerge (mapAttrsToList
-        (_: inst:
-          if inst.passthru.enable
-          then inst.config.submodule.passthru.${name} or { }
-          else { }
+        (
+          _: inst:
+            if inst.passthru.enable
+            then inst.config.submodule.passthru.${name} or {}
+            else {}
         )
         config.submodules.instances);
 
       _module.args = mkMerge (mapAttrsToList
-        (_: inst:
-          if inst.passthru.enable
-          then inst.config.submodule.passthru._module.args or { }
-          else { }
+        (
+          _: inst:
+            if inst.passthru.enable
+            then inst.config.submodule.passthru._module.args or {}
+            else {}
         )
         config.submodules.instances);
     })
-    (removeAttrs options [ "_definedNames" "_module" "_m" "submodules" ]);
+    (removeAttrs options ["_definedNames" "_module" "_m" "submodules"]);
 
-  submoduleWithSpecialArgs = opts: specialArgs:
-    let
-      opts' = toList opts;
-      inherit (lib.modules) evalModules;
-    in
+  submoduleWithSpecialArgs = opts: specialArgs: let
+    opts' = toList opts;
+    inherit (lib.modules) evalModules;
+  in
     mkOptionType rec {
       name = "submodule";
       check = x: isAttrs x || isFunction x;
-      merge = loc: defs:
-        let
-          coerce = def: if isFunction def then def else { config = def; };
-          modules = opts' ++ map (def: { _file = def.file; imports = [ (coerce def.value) ]; }) defs;
-        in
+      merge = loc: defs: let
+        coerce = def:
+          if isFunction def
+          then def
+          else {config = def;};
+        modules =
+          opts'
+          ++ map (def: {
+            _file = def.file;
+            imports = [(coerce def.value)];
+          })
+          defs;
+      in
         (evalModules {
           inherit modules specialArgs;
           prefix = loc;
-        }).config;
-      getSubOptions = prefix: (evalModules
-        {
-          modules = opts'; inherit prefix specialArgs;
-          # This is a work-around due to the fact that some sub-modules,
-          # such as the one included in an attribute set, expects a "args"
-          # attribute to be given to the sub-module. As the option
-          # evaluation does not have any specific attribute name, we
-          # provide a default one for the documentation.
-          #
-          # This is mandatory as some option declaration might use the
-          # "name" attribute given as argument of the submodule and use it
-          # as the default of option declarations.
-          #
-          # Using lookalike unicode single angle quotation marks because
-          # of the docbook transformation the options receive. In all uses
-          # > and < wouldn't be encoded correctly so the encoded values
-          # would be used, and use of `<` and `>` would break the XML document.
-          # It shouldn't cause an issue since this is cosmetic for the manual.
-          args.name = "‹name›";
-        }).options;
+        })
+        .config;
+      getSubOptions = prefix:
+        (evalModules
+          {
+            modules = opts';
+            inherit prefix specialArgs;
+            # This is a work-around due to the fact that some sub-modules,
+            # such as the one included in an attribute set, expects a "args"
+            # attribute to be given to the sub-module. As the option
+            # evaluation does not have any specific attribute name, we
+            # provide a default one for the documentation.
+            #
+            # This is mandatory as some option declaration might use the
+            # "name" attribute given as argument of the submodule and use it
+            # as the default of option declarations.
+            #
+            # Using lookalike unicode single angle quotation marks because
+            # of the docbook transformation the options receive. In all uses
+            # &gt; and &lt; wouldn't be encoded correctly so the encoded values
+            # would be used, and use of `<` and `>` would break the XML document.
+            # It shouldn't cause an issue since this is cosmetic for the manual.
+            args.name = "‹name›";
+          })
+        .options;
       getSubModules = opts';
       substSubModules = m: submoduleWithSpecialArgs m specialArgs;
-      functor = (defaultFunctor name) // {
-        # Merging of submodules is done as part of mergeOptionDecls, as we have to annotate
-        # each submodule with its location.
-        payload = [ ];
-        binOp = lhs: rhs: [ ];
-      };
+      functor =
+        (defaultFunctor name)
+        // {
+          # Merging of submodules is done as part of mergeOptionDecls, as we have to annotate
+          # each submodule with its location.
+          payload = [];
+          binOp = lhs: rhs: [];
+        };
     };
-in
-{
-  imports = [ ./base.nix ];
+in {
+  imports = [./base.nix];
 
   options = {
     submodules.specialArgs = mkOption {
       description = "Special args to pass to submodules. These arguments can be used for imports";
       type = types.attrs;
-      default = { };
+      default = {};
     };
 
     submodules.defaults = mkOption {
       description = "List of defaults to apply to submodule instances";
-      type = types.listOf (types.submodule ({ config, ... }: {
+      type = types.listOf (types.submodule ({config, ...}: {
         options = {
           name = mkOption {
             description = "Name of the submodule to apply defaults for";
@@ -154,23 +197,23 @@ in
           tags = mkOption {
             description = "List of tags to apply defaults for";
             type = types.listOf types.str;
-            default = [ ];
+            default = [];
           };
 
           features = mkOption {
             description = "List of features that submodule has to have to apply defaults";
             type = types.listOf types.str;
-            default = [ ];
+            default = [];
           };
 
           default = mkOption {
             description = "Default to apply to submodule instance";
             type = types.unspecified;
-            default = { };
+            default = {};
           };
         };
       }));
-      default = [ ];
+      default = [];
     };
 
     submodules.propagate.enable = mkOption {
@@ -183,179 +226,191 @@ in
       description = "List of submodule imports";
       type = types.listOf (
         types.coercedTo
-          types.path
-          (module: { inherit module; })
-          (types.submodule ({ name, config, ... }:
-            let
-              evaledSubmodule' = evalModules {
-                inherit specialArgs;
-                modules = config.modules ++ [ ./base.nix ];
-                check = false;
+        types.path
+        (module: {inherit module;})
+        (
+          types.submodule ({
+            name,
+            config,
+            ...
+          }: let
+            evaledSubmodule' = evalModules {
+              inherit specialArgs;
+              modules = config.modules ++ [./base.nix];
+              check = false;
+            };
+
+            evaledSubmodule =
+              if (!(elem "submodule" evaledSubmodule'.config._m.features))
+              then throw "no submodule defined"
+              else evaledSubmodule';
+          in {
+            options = {
+              module = mkOption {
+                description = "Module defining submodule";
+                type = types.unspecified;
               };
 
-              evaledSubmodule =
-                if (!(elem "submodule" evaledSubmodule'.config._m.features))
-                then throw "no submodule defined"
-                else evaledSubmodule';
-            in
-            {
-              options = {
-                module = mkOption {
-                  description = "Module defining submodule";
-                  type = types.unspecified;
-                };
-
-                modules = mkOption {
-                  description = "List of modules defining submodule";
-                  type = types.listOf types.unspecified;
-                  default = [ config.module ];
-                };
-
-                features = mkOption {
-                  description = "List of features exposed by submodule";
-                  type = types.listOf types.str;
-                };
-
-                definition = mkOption {
-                  description = "Submodule definition";
-                  type = types.attrs;
-                };
-
-                exportAs = mkOption {
-                  description = "Name under which to register exports";
-                  type = types.nullOr types.str;
-                  default = null;
-                };
+              modules = mkOption {
+                description = "List of modules defining submodule";
+                type = types.listOf types.unspecified;
+                default = [config.module];
               };
 
-              config = {
-                definition = {
-                  inherit (evaledSubmodule.config.submodule) name description version tags exports;
-                };
-
-                features = evaledSubmodule.config._m.features;
+              features = mkOption {
+                description = "List of features exposed by submodule";
+                type = types.listOf types.str;
               };
-            })
-          )
+
+              definition = mkOption {
+                description = "Submodule definition";
+                type = types.attrs;
+              };
+
+              exportAs = mkOption {
+                description = "Name under which to register exports";
+                type = types.nullOr types.str;
+                default = null;
+              };
+            };
+
+            config = {
+              definition = {
+                inherit (evaledSubmodule.config.submodule) name description version tags exports;
+              };
+
+              features = evaledSubmodule.config._m.features;
+            };
+          })
+        )
       );
-      default = [ ];
+      default = [];
     };
 
     submodules.instances = mkOption {
       description = "Attribute set of submodule instances";
-      default = { };
-      type = types.attrsOf (types.submodule ({ name, config, options, ... }:
-        let
-          # submodule associated with
-          submodule = findSubmodule {
-            name = config.submodule;
-            version = config.version;
+      default = {};
+      type = types.attrsOf (types.submodule ({
+        name,
+        config,
+        options,
+        ...
+      }: let
+        # submodule associated with
+        submodule = findSubmodule {
+          name = config.submodule;
+          version = config.version;
+        };
+
+        # definition of a submodule
+        submoduleDefinition = submodule.definition;
+
+        # submodule defaults
+        defaults = getDefaults {
+          name = submoduleDefinition.name;
+          version = submoduleDefinition.version;
+          tags = submoduleDefinition.tags;
+          features = submodule.features;
+        };
+      in {
+        options = {
+          name = mkOption {
+            description = "Submodule instance name";
+            type = types.str;
+            default = name;
           };
 
-          # definition of a submodule
-          submoduleDefinition = submodule.definition;
-
-          # submodule defaults
-          defaults = getDefaults {
-            name = submoduleDefinition.name;
-            version = submoduleDefinition.version;
-            tags = submoduleDefinition.tags;
-            features = submodule.features;
+          submodule = mkOption {
+            description = "Name of the submodule to use";
+            type = types.str;
+            default = name;
           };
-        in
-        {
-          options = {
-            name = mkOption {
-              description = "Submodule instance name";
-              type = types.str;
-              default = name;
-            };
 
-            submodule = mkOption {
-              description = "Name of the submodule to use";
-              type = types.str;
-              default = name;
-            };
-
-            version = mkOption {
-              description = ''
-                Version of submodule to use, if version starts with "~" it is
-                threated as regex pattern for example "~1.0.*"
-              '';
-              type = types.nullOr types.str;
-              default = null;
-            };
-
-            passthru.enable = mkOption {
-              description = "Whether to passthru submodule resources";
-              type = types.bool;
-              default = true;
-            };
-
-            config = mkOption {
-              description = "Submodule instance ${config.name} for ${submoduleDefinition.name}:${submoduleDefinition.version} config";
-              type = submoduleWithSpecialArgs
-                ({ ... }: {
-                  imports = submodule.modules ++ defaults ++ [ ./base.nix ];
-                  _module.args.pkgs = pkgs;
-                  _module.args.name = config.name;
-                  _module.args.submodule = config;
-                  submodule.args = mkAliasDefinitions options.args;
-                })
-                specialArgs;
-              default = { };
-            };
-
-            args = mkOption {
-              description = "Submodule arguments (alias of config.submodule.args)";
-            };
+          version = mkOption {
+            description = ''
+              Version of submodule to use, if version starts with "~" it is
+              threated as regex pattern for example "~1.0.*"
+            '';
+            type = types.nullOr types.str;
+            default = null;
           };
-        }));
+
+          passthru.enable = mkOption {
+            description = "Whether to passthru submodule resources";
+            type = types.bool;
+            default = true;
+          };
+
+          config = mkOption {
+            description = "Submodule instance ${config.name} for ${submoduleDefinition.name}:${submoduleDefinition.version} config";
+            type =
+              submoduleWithSpecialArgs
+              ({...}: {
+                imports = submodule.modules ++ defaults ++ [./base.nix];
+                _module.args.pkgs = pkgs;
+                _module.args.name = config.name;
+                _module.args.submodule = config;
+                submodule.args = mkAliasDefinitions options.args;
+              })
+              specialArgs;
+            default = {};
+          };
+
+          args = mkOption {
+            description = "Submodule arguments (alias of config.submodule.args)";
+          };
+        };
+      }));
     };
-    default = { };
+    default = {};
   };
 
   config = mkMerge ([
-    {
-      # register exported functions as args
-      _module.args = mkMerge (map
-        (submodule: {
-          ${submodule.exportAs} = submodule.definition.exports;
-        })
-        (filter (submodule: submodule.exportAs != null) cfg.imports));
-
-      _m.features = [ "submodules" ];
-
-      submodules.specialArgs.kubenix = kubenix;
-
-      # passthru kubenix.project to submodules
-      submodules.defaults = mkMerge [
-        [{
-          default = {
-            kubenix.project = parentConfig.kubenix.project;
-          };
-        }]
-
-        (map
-          (propagate: {
-            features = propagate.features;
-            default = propagate.module;
+      {
+        # register exported functions as args
+        _module.args = mkMerge (map
+          (submodule: {
+            ${submodule.exportAs} = submodule.definition.exports;
           })
-          config._m.propagate)
-      ];
-    }
+          (filter (submodule: submodule.exportAs != null) cfg.imports));
 
-    (mkIf cfg.propagate.enable {
-      # if propagate is enabled and submodule has submodules included propagage defaults and imports
-      submodules.defaults = [{
-        features = [ "submodules" ];
-        default = {
-          submodules = {
-            defaults = cfg.defaults;
-            imports = cfg.imports;
-          };
-        };
-      }];
-    })
-  ] ++ passthruConfig);
+        _m.features = ["submodules"];
+
+        submodules.specialArgs.kubenix = kubenix;
+
+        # passthru kubenix.project to submodules
+        submodules.defaults = mkMerge [
+          [
+            {
+              default = {
+                kubenix.project = parentConfig.kubenix.project;
+              };
+            }
+          ]
+
+          (map
+            (propagate: {
+              features = propagate.features;
+              default = propagate.module;
+            })
+            config._m.propagate)
+        ];
+      }
+
+      (mkIf cfg.propagate.enable {
+        # if propagate is enabled and submodule has submodules included propagage defaults and imports
+        submodules.defaults = [
+          {
+            features = ["submodules"];
+            default = {
+              submodules = {
+                defaults = cfg.defaults;
+                imports = cfg.imports;
+              };
+            };
+          }
+        ];
+      })
+    ]
+    ++ passthruConfig);
 }

modules/testing/default.nix

@@ -1,11 +1,15 @@
-{ config, pkgs, lib, kubenix, ... }:
-
-with lib;
-let
+{
+  config,
+  pkgs,
+  lib,
+  kubenix,
+  ...
+}:
+with lib; let
   cfg = config.testing;
 
   testModule = {
-    imports = [ ./evalTest.nix ];
+    imports = [./evalTest.nix];
 
     # passthru testing configuration
     config._module.args = {
@@ -16,9 +20,7 @@ let
 
   isTestEnabled = test:
     (cfg.enabledTests == null || elem test.name cfg.enabledTests) && test.enable;
-
-in
-{
+in {
   imports = [
     ./docker.nix
     ./driver/kubetest.nix
@@ -41,28 +43,28 @@ in
 
     common = mkOption {
       description = "List of common options to apply to tests";
-      type = types.listOf (types.submodule ({ config, ... }: {
+      type = types.listOf (types.submodule ({config, ...}: {
         options = {
           features = mkOption {
             description = "List of features that test has to have to apply options";
             type = types.listOf types.str;
-            default = [ ];
+            default = [];
           };
 
           options = mkOption {
             description = "Options to apply to test";
             type = types.unspecified;
-            default = { };
-            apply = default: { _file = "testing.common"; } // default;
+            default = {};
+            apply = default: {_file = "testing.common";} // default;
           };
         };
       }));
-      default = [ ];
+      default = [];
     };
 
     tests = mkOption {
       description = "List of test cases";
-      default = [ ];
+      default = [];
       type = types.listOf (types.coercedTo types.path
         (module: {
           inherit module;
@@ -86,7 +88,7 @@ in
     args = mkOption {
       description = "Attribute set of extra args passed to tests";
       type = types.attrs;
-      default = { };
+      default = {};
     };
 
     success = mkOption {

modules/testing/docker.nix

@@ -1,16 +1,17 @@
-{ config, lib, pkgs, ... }:
-
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
 with lib;
-with import ../../lib/docker { inherit lib pkgs; };
-let
+with import ../../lib/docker {inherit lib pkgs;}; let
   testing = config.testing;
 
-  allImages = unique (flatten (map (t: t.evaled.config.docker.export or [ ]) testing.tests));
+  allImages = unique (flatten (map (t: t.evaled.config.docker.export or []) testing.tests));
 
   cfg = config.testing.docker;
-
-in
-{
+in {
   options.testing.docker = {
     registryUrl = mkOption {
       description = "Docker registry url";
@@ -37,11 +38,13 @@ in
     };
   };
 
-  config.testing.common = [{
-    features = [ "docker" ];
-    options = {
-      _file = "testing.docker.registryUrl";
-      docker.registry.url = cfg.registryUrl;
-    };
-  }];
+  config.testing.common = [
+    {
+      features = ["docker"];
+      options = {
+        _file = "testing.docker.registryUrl";
+        docker.registry.url = cfg.registryUrl;
+      };
+    }
+  ];
 }

modules/testing/driver/kubetestdrv.nix

@@ -1,15 +1,14 @@
-{ pkgs ? import <nixpkgs> { } }:
+{pkgs ? import <nixpkgs> {}}:
 with pkgs;
 with pkgs.python38Packages;
-
 with pkgs.python38;
-pkgs.python38Packages.buildPythonPackage rec {
-  pname = "kubetest";
-  version = "0.9.5";
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "sha256-TqDHMciAEXv4vMWLJY1YdtXsP4ho+INgdFB3xQQNoZU=";
-  };
-  propagatedBuildInputs = [ pytest kubernetes ];
-  doCheck = false;
-}
+  pkgs.python38Packages.buildPythonPackage rec {
+    pname = "kubetest";
+    version = "0.9.5";
+    src = fetchPypi {
+      inherit pname version;
+      sha256 = "sha256-TqDHMciAEXv4vMWLJY1YdtXsP4ho+INgdFB3xQQNoZU=";
+    };
+    propagatedBuildInputs = [pytest kubernetes];
+    doCheck = false;
+  }

modules/testing/evalTest.nix

@@ -1,7 +1,11 @@
-{ lib, config, testing, kubenix, ... }:
-
-with lib;
-let
+{
+  lib,
+  config,
+  testing,
+  kubenix,
+  ...
+}:
+with lib; let
   modules = [
     # testing module
     config.module
@@ -13,10 +17,12 @@ let
     {
       config = {
         kubenix.project = mkDefault config.name;
-        _module.args = {
-          inherit kubenix;
-          test = evaled.config;
-        } // testing.args;
+        _module.args =
+          {
+            inherit kubenix;
+            test = evaled.config;
+          }
+          // testing.args;
       };
     }
   ];
@@ -36,28 +42,29 @@ let
   # common options that can be applied on this test
   commonOpts =
     filter
-      (d:
-        (intersectLists d.features testFeatures) == d.features ||
-        (length d.features) == 0
-      )
-      testing.common;
+    (
+      d:
+        (intersectLists d.features testFeatures)
+        == d.features
+        || (length d.features) == 0
+    )
+    testing.common;
 
   # add common options modules to all modules
   modulesWithCommonOptions = modules ++ (map (d: d.options) commonOpts);
 
   # evaled test
-  evaled =
-    let
-      evaled' = kubenix.evalModules {
-        modules = modulesWithCommonOptions;
-      };
-    in
-    if testing.doThrowError then evaled'
+  evaled = let
+    evaled' = kubenix.evalModules {
+      modules = modulesWithCommonOptions;
+    };
+  in
+    if testing.doThrowError
+    then evaled'
     else if (builtins.tryEval evaled'.config.test.assertions).success
-    then evaled' else null;
-
-in
-{
+    then evaled'
+    else null;
+in {
   options = {
     module = mkOption {
       description = "Module defining kubenix test";
@@ -100,7 +107,7 @@ in
       description = "Test result";
       type = types.unspecified;
       internal = true;
-      default = [ ];
+      default = [];
     };
 
     script = mkOption {
@@ -108,7 +115,6 @@ in
       type = types.nullOr (types.either types.lines types.path);
       internal = true;
     };
-
   };
 
   config = mkMerge [

modules/testing/runtime/local.nix

@@ -1,7 +1,10 @@
-{ lib, config, pkgs, ... }:
-
-with lib;
-let
+{
+  lib,
+  config,
+  pkgs,
+  ...
+}:
+with lib; let
   testing = config.testing;
 
   script = pkgs.writeScript "run-local-k8s-tests-${testing.name}.sh" ''
@@ -31,8 +34,7 @@ let
     echo "--> running tests"
     ${testing.testScript} --kube-config=$KUBECONFIG
   '';
-in
-{
+in {
   options.testing.runtime.local = {
     script = mkOption {
       type = types.package;

modules/testing/runtime/nixos-k8s.nix

@@ -1,29 +1,32 @@
 # nixos-k8s implements nixos kubernetes testing runtime
-
-{ config
-, pkgs
-, lib
-, ...
+{
+  config,
+  pkgs,
+  lib,
+  ...
 }:
-
-with lib;
-let
+with lib; let
   testing = config.testing;
   # kubeconfig = "/etc/${config.services.kubernetes.pki.etcClusterAdminKubeconfig}";
   kubeconfig = "/etc/kubernetes/cluster-admin.kubeconfig";
   kubecerts = "/var/lib/kubernetes/secrets";
 
   # how we differ from the standard configuration of mkKubernetesBaseTest
-  extraConfiguration = { config, pkgs, lib, nodes, ... }: {
-
+  extraConfiguration = {
+    config,
+    pkgs,
+    lib,
+    nodes,
+    ...
+  }: {
     virtualisation = {
       memorySize = 2048;
     };
 
     networking = {
-      nameservers = [ "10.0.0.254" ];
+      nameservers = ["10.0.0.254"];
       firewall = {
-        trustedInterfaces = [ "docker0" "cni0" ];
+        trustedInterfaces = ["docker0" "cni0"];
       };
     };
 
@@ -32,22 +35,26 @@ let
       kubelet = {
         seedDockerImages = testing.docker.images;
         networkPlugin = "cni";
-        cni.config = [{
-          name = "mynet";
-          type = "bridge";
-          bridge = "cni0";
-          addIf = true;
-          ipMasq = true;
-          isGateway = true;
-          ipam = {
-            type = "host-local";
-            subnet = "10.1.0.0/16";
-            gateway = "10.1.0.1";
-            routes = [{
-              dst = "0.0.0.0/0";
-            }];
-          };
-        }];
+        cni.config = [
+          {
+            name = "mynet";
+            type = "bridge";
+            bridge = "cni0";
+            addIf = true;
+            ipMasq = true;
+            isGateway = true;
+            ipam = {
+              type = "host-local";
+              subnet = "10.1.0.0/16";
+              gateway = "10.1.0.1";
+              routes = [
+                {
+                  dst = "0.0.0.0/0";
+                }
+              ];
+            };
+          }
+        ];
       };
     };
 
@@ -57,32 +64,30 @@ let
       services.copy-certs = {
         description = "Share k8s certificates with host";
         script = "cp -rf ${kubecerts} /tmp/xchg/; cp -f ${kubeconfig} /tmp/xchg/;";
-        after = [ "kubernetes.target" ];
-        wantedBy = [ "multi-user.target" ];
+        after = ["kubernetes.target"];
+        wantedBy = ["multi-user.target"];
         serviceConfig = {
           Type = "oneshot";
           RemainAfterExit = true;
         };
       };
     };
-
   };
 
   script = ''
     machine1.succeed("${testing.testScript} --kube-config=${kubeconfig}")
   '';
 
-  test =
-    with import "${pkgs.path}/nixos/tests/kubernetes/base.nix" { inherit pkgs; inherit (pkgs) system; };
+  test = with import "${pkgs.path}/nixos/tests/kubernetes/base.nix" {
+    inherit pkgs;
+    inherit (pkgs) system;
+  };
     mkKubernetesSingleNodeTest {
       inherit extraConfiguration;
       inherit (config.testing) name;
       test = script;
     };
-
-
-in
-{
+in {
   options.testing.runtime.nixos-k8s = {
     driver = mkOption {
       description = "Test driver";

modules/testing/test-options.nix

@@ -1,11 +1,12 @@
-{ lib, config, pkgs, ... }:
-
-with lib;
-let
-  cfg = config.test;
-
-in
 {
+  lib,
+  config,
+  pkgs,
+  ...
+}:
+with lib; let
+  cfg = config.test;
+in {
   options.test = {
     name = mkOption {
       description = "Test name";
@@ -38,8 +39,13 @@ in
           };
         };
       });
-      default = [ ];
-      example = [{ assertion = false; message = "you can't enable this for some reason"; }];
+      default = [];
+      example = [
+        {
+          assertion = false;
+          message = "you can't enable this for some reason";
+        }
+      ];
       description = ''
         This option allows modules to express conditions that must
         hold for the evaluation of the system configuration to
@@ -52,6 +58,5 @@ in
       type = types.nullOr (types.either types.lines types.path);
       default = null;
     };
-
   };
 }

pkgs/applications/networking/cluster/kubectl/default.nix

@@ -1,5 +1,8 @@
-{ stdenv, kubernetes, installShellFiles }:
-
+{
+  stdenv,
+  kubernetes,
+  installShellFiles,
+}:
 stdenv.mkDerivation {
   name = "kubectl-${kubernetes.version}";
 
@@ -7,9 +10,9 @@ stdenv.mkDerivation {
   # split out (see homepage)
   dontUnpack = true;
 
-  nativeBuildInputs = [ installShellFiles ];
+  nativeBuildInputs = [installShellFiles];
 
-  outputs = [ "out" "man" ];
+  outputs = ["out" "man"];
 
   installPhase = ''
     install -D ${kubernetes}/bin/kubectl -t $out/bin
@@ -22,8 +25,10 @@ stdenv.mkDerivation {
     done
   '';
 
-  meta = kubernetes.meta // {
-    description = "Kubernetes CLI";
-    homepage = "https://github.com/kubernetes/kubectl";
-  };
+  meta =
+    kubernetes.meta
+    // {
+      description = "Kubernetes CLI";
+      homepage = "https://github.com/kubernetes/kubectl";
+    };
 }

pkgs/applications/networking/cluster/kubernetes/default.nix

@@ -1,23 +1,22 @@
-{ stdenv
-, lib
-, fetchFromGitHub
-, removeReferencesTo
-, which
-, go
-, makeWrapper
-, rsync
-, installShellFiles
-
-, components ? [
+{
+  stdenv,
+  lib,
+  fetchFromGitHub,
+  removeReferencesTo,
+  which,
+  go,
+  makeWrapper,
+  rsync,
+  installShellFiles,
+  components ? [
     "cmd/kubelet"
     "cmd/kube-apiserver"
     "cmd/kube-controller-manager"
     "cmd/kube-proxy"
     "cmd/kube-scheduler"
     "test/e2e/e2e.test"
-  ]
+  ],
 }:
-
 stdenv.mkDerivation rec {
   pname = "kubernetes";
   version = "1.20.4";
@@ -29,11 +28,11 @@ stdenv.mkDerivation rec {
     hash = "sha256-r9Clwr+87Ns4VXUW9F6cgks+LknY39ngbQgZ5UMZ0Vo=";
   };
 
-  nativeBuildInputs = [ removeReferencesTo makeWrapper which go rsync installShellFiles ];
+  nativeBuildInputs = [removeReferencesTo makeWrapper which go rsync installShellFiles];
 
-  outputs = [ "out" "man" "pause" ];
+  outputs = ["out" "man" "pause"];
 
-  patches = [ ./fixup-addonmanager-lib-path.patch ];
+  patches = [./fixup-addonmanager-lib-path.patch];
 
   postPatch = ''
     # go env breaks the sandbox
@@ -49,9 +48,10 @@ stdenv.mkDerivation rec {
   '';
 
   WHAT = lib.concatStringsSep " " ([
-    "cmd/kubeadm"
-    "cmd/kubectl"
-  ] ++ components);
+      "cmd/kubeadm"
+      "cmd/kubectl"
+    ]
+    ++ components);
 
   postBuild = ''
     ./hack/update-generated-docs.sh
@@ -84,7 +84,7 @@ stdenv.mkDerivation rec {
     description = "Production-Grade Container Scheduling and Management";
     license = licenses.asl20;
     homepage = "https://kubernetes.io";
-    maintainers = with maintainers; [ johanot offline saschagrunert ];
+    maintainers = with maintainers; [johanot offline saschagrunert];
     platforms = platforms.unix;
   };
 }

shell.nix

@@ -1,9 +1,9 @@
-{ system ? builtins.currentSystem }:
-let
+{system ? builtins.currentSystem}: let
 in
-(
-  (import ./compat.nix).flake-compat {
-    src = ./.;
-    inherit system;
-  }
-).shellNix
+  (
+    (import ./compat.nix).flake-compat {
+      src = ./.;
+      inherit system;
+    }
+  )
+  .shellNix

tests/default.nix

@@ -1,20 +1,20 @@
-{ system ? builtins.currentSystem
-, evalModules ? (import ../. { }).evalModules.${system}
-}:
-
-{ k8sVersion ? "1.21"
-, registry ? throw "Registry url not defined"
-, doThrowError ? true # whether any testing error should throw an error
-, enabledTests ? null
-}:
-
-let
-  config = (evalModules {
-
-    module =
-      { kubenix, pkgs, ... }: {
-
-        imports = [ kubenix.modules.testing ];
+{
+  system ? builtins.currentSystem,
+  evalModules ? (import ../. {}).evalModules.${system},
+}: {
+  k8sVersion ? "1.21",
+  registry ? throw "Registry url not defined",
+  doThrowError ? true, # whether any testing error should throw an error
+  enabledTests ? null,
+}: let
+  config =
+    (evalModules {
+      module = {
+        kubenix,
+        pkgs,
+        ...
+      }: {
+        imports = [kubenix.modules.testing];
 
         testing = {
           inherit doThrowError enabledTests;
@@ -36,21 +36,20 @@ let
             ./submodules/passthru.nix
           ];
 
-          args = { images = pkgs.callPackage ./images.nix { }; };
+          args = {images = pkgs.callPackage ./images.nix {};};
           docker.registryUrl = registry;
 
           common = [
             {
-              features = [ "k8s" ];
+              features = ["k8s"];
               options = {
                 kubernetes.version = k8sVersion;
               };
             }
           ];
         };
-
       };
-
-  }).config;
+    })
+    .config;
 in
-config.testing // { recurseForDerivations = true; }
+  config.testing // {recurseForDerivations = true;}

tests/images.nix

@@ -1,43 +1,44 @@
-{ pkgs, dockerTools, lib, ... }:
-
-with lib;
-
 {
+  pkgs,
+  dockerTools,
+  lib,
+  ...
+}:
+with lib; {
   curl = dockerTools.buildLayeredImage {
     name = "curl";
     tag = "latest";
-    config.Cmd = [ "${pkgs.bash}" "-c" "sleep infinity" ];
-    contents = [ pkgs.bash pkgs.curl pkgs.cacert ];
+    config.Cmd = ["${pkgs.bash}" "-c" "sleep infinity"];
+    contents = [pkgs.bash pkgs.curl pkgs.cacert];
   };
 
-  nginx =
-    let
-      nginxPort = "80";
-      nginxConf = pkgs.writeText "nginx.conf" ''
-        user nginx nginx;
-        daemon off;
-        error_log /dev/stdout info;
-        pid /dev/null;
-        events {}
-        http {
-          access_log /dev/stdout;
-          server {
-            listen ${nginxPort};
-            index index.html;
-            location / {
-              root ${nginxWebRoot};
-            }
+  nginx = let
+    nginxPort = "80";
+    nginxConf = pkgs.writeText "nginx.conf" ''
+      user nginx nginx;
+      daemon off;
+      error_log /dev/stdout info;
+      pid /dev/null;
+      events {}
+      http {
+        access_log /dev/stdout;
+        server {
+          listen ${nginxPort};
+          index index.html;
+          location / {
+            root ${nginxWebRoot};
           }
         }
-      '';
-      nginxWebRoot = pkgs.writeTextDir "index.html" ''
-        <html><body><h1>Hello from NGINX</h1></body></html>
-      '';
-    in
+      }
+    '';
+    nginxWebRoot = pkgs.writeTextDir "index.html" ''
+      <html><body><h1>Hello from NGINX</h1></body></html>
+    '';
+  in
     dockerTools.buildLayeredImage {
       name = "xtruder/nginx";
       tag = "latest";
-      contents = [ pkgs.nginx ];
+      contents = [pkgs.nginx];
       extraCommands = ''
         mkdir -p etc
         chmod u+w etc
@@ -49,9 +50,9 @@ with lib;
         echo "nginx:x:1000:nginx" > etc/group
       '';
       config = {
-        Cmd = [ "nginx" "-c" nginxConf ];
+        Cmd = ["nginx" "-c" nginxConf];
         ExposedPorts = {
-          "${nginxPort}/tcp" = { };
+          "${nginxPort}/tcp" = {};
         };
       };
     };

tests/istio/bookinfo.nix

@@ -1,7 +1,9 @@
-{ config, kubenix, ... }:
-
 {
-  imports = with kubenix.modules; [ test k8s istio ];
+  config,
+  kubenix,
+  ...
+}: {
+  imports = with kubenix.modules; [test k8s istio];
 
   test = {
     name = "istio-bookinfo";
@@ -12,61 +14,72 @@
     Gateway."bookinfo-gateway" = {
       spec = {
         selector.istio = "ingressgateway";
-        servers = [{
-          port = {
-            number = 80;
-            name = "http";
-            protocol = "HTTP";
-          };
-          hosts = [ "*" ];
-        }];
+        servers = [
+          {
+            port = {
+              number = 80;
+              name = "http";
+              protocol = "HTTP";
+            };
+            hosts = ["*"];
+          }
+        ];
       };
     };
 
     VirtualService.bookinfo = {
       spec = {
-        hosts = [ "*" ];
-        gateways = [ "bookinfo-gateway" ];
-        http = [{
-          match = [{
-            uri.exact = "/productpage";
+        hosts = ["*"];
+        gateways = ["bookinfo-gateway"];
+        http = [
+          {
+            match = [
+              {
+                uri.exact = "/productpage";
+              }
+              {
+                uri.exact = "/login";
+              }
+              {
+                uri.exact = "/logout";
+              }
+              {
+                uri.prefix = "/api/v1/products";
+              }
+            ];
+            route = [
+              {
+                destination = {
+                  host = "productpage";
+                  port.number = 9080;
+                };
+              }
+            ];
           }
-            {
-              uri.exact = "/login";
-            }
-            {
-              uri.exact = "/logout";
-            }
-            {
-              uri.prefix = "/api/v1/products";
-            }];
-          route = [{
-            destination = {
-              host = "productpage";
-              port.number = 9080;
-            };
-          }];
-        }];
+        ];
       };
     };
 
     DestinationRule.productpage = {
       spec = {
         host = "productpage";
-        subsets = [{
-          name = "v1";
-          labels.version = "v1";
-        }];
+        subsets = [
+          {
+            name = "v1";
+            labels.version = "v1";
+          }
+        ];
       };
     };
 
     DestinationRule.reviews = {
       spec = {
         host = "reviews";
-        subsets = [{
-          name = "v1";
-          labels.version = "v1";
-        }
+        subsets = [
+          {
+            name = "v1";
+            labels.version = "v1";
+          }
           {
             name = "v2";
             labels.version = "v2";
@@ -74,17 +87,19 @@
           {
             name = "v3";
             labels.version = "v3";
-          }];
+          }
+        ];
       };
     };
 
     DestinationRule.ratings = {
       spec = {
         host = "ratings";
-        subsets = [{
-          name = "v1";
-          labels.version = "v1";
-        }
+        subsets = [
+          {
+            name = "v1";
+            labels.version = "v1";
+          }
           {
             name = "v2";
             labels.version = "v2";
@@ -96,21 +111,24 @@
           {
             name = "v2-mysql-vm";
             labels.version = "v2-mysql-vm";
-          }];
+          }
+        ];
       };
     };
 
     DestinationRule.details = {
       spec = {
         host = "details";
-        subsets = [{
-          name = "v1";
-          labels.version = "v1";
-        }
+        subsets = [
+          {
+            name = "v1";
+            labels.version = "v1";
+          }
           {
             name = "v2";
             labels.version = "v2";
-          }];
+          }
+        ];
       };
     };
   };

tests/k8s/crd.nix

@@ -1,20 +1,25 @@
-{ config, lib, kubenix, pkgs, ... }:
-
-with lib;
-let
-  latestCrontab = config.kubernetes.api.resources.cronTabs.latest;
-in
 {
-  imports = with kubenix.modules; [ test k8s ];
+  config,
+  lib,
+  kubenix,
+  pkgs,
+  ...
+}:
+with lib; let
+  latestCrontab = config.kubernetes.api.resources.cronTabs.latest;
+in {
+  imports = with kubenix.modules; [test k8s];
 
   test = {
     name = "k8s-crd";
     description = "Simple test tesing CRD";
     enable = builtins.compareVersions config.kubernetes.version "1.8" >= 0;
-    assertions = [{
-      message = "Custom resource should have correct version set";
-      assertion = latestCrontab.apiVersion == "stable.example.com/v2";
-    }];
+    assertions = [
+      {
+        message = "Custom resource should have correct version set";
+        assertion = latestCrontab.apiVersion == "stable.example.com/v2";
+      }
+    ];
     script = ''
       @pytest.mark.applymanifest('${config.kubernetes.resultYAML}')
       def test_testing_module(kube):
@@ -50,7 +55,6 @@ in
           type = types.str;
         };
       };
-
     }
     {
       group = "stable.example.com";

tests/k8s/defaults.nix

@@ -1,20 +1,23 @@
-{ config, lib, kubenix, ... }:
-
-with lib;
-let
+{
+  config,
+  lib,
+  kubenix,
+  ...
+}:
+with lib; let
   pod1 = config.kubernetes.api.resources.pods.pod1;
   pod2 = config.kubernetes.api.resources.pods.pod2;
-in
-{
-  imports = with kubenix.modules; [ test k8s ];
+in {
+  imports = with kubenix.modules; [test k8s];
 
   test = {
     name = "k8s-defaults";
     description = "Simple k8s testing wheter name, apiVersion and kind are preset";
-    assertions = [{
-      message = "Should have label set with resource";
-      assertion = pod1.metadata.labels.resource-label == "value";
-    }
+    assertions = [
+      {
+        message = "Should have label set with resource";
+        assertion = pod1.metadata.labels.resource-label == "value";
+      }
       {
         message = "Should have default label set with group, version, kind";
         assertion = pod1.metadata.labels.gvk-label == "value";
@@ -22,19 +25,21 @@ in
       {
         message = "Should have conditional annotation set";
         assertion = pod2.metadata.annotations.conditional-annotation == "value";
-      }];
+      }
+    ];
   };
 
-  kubernetes.resources.pods.pod1 = { };
+  kubernetes.resources.pods.pod1 = {};
 
   kubernetes.resources.pods.pod2 = {
     metadata.labels.custom-label = "value";
   };
 
-  kubernetes.api.defaults = [{
-    resource = "pods";
-    default.metadata.labels.resource-label = "value";
-  }
+  kubernetes.api.defaults = [
+    {
+      resource = "pods";
+      default.metadata.labels.resource-label = "value";
+    }
     {
       group = "core";
       kind = "Pod";
@@ -43,10 +48,11 @@ in
     }
     {
       resource = "pods";
-      default = { config, ... }: {
+      default = {config, ...}: {
         config.metadata.annotations = mkIf (config.metadata.labels ? "custom-label") {
           conditional-annotation = "value";
         };
       };
-    }];
+    }
+  ];
 }

tests/k8s/deployment.nix

@@ -1,7 +1,13 @@
-{ config, lib, pkgs, kubenix, images, test, ... }:
-
-with lib;
-let
+{
+  config,
+  lib,
+  pkgs,
+  kubenix,
+  images,
+  test,
+  ...
+}:
+with lib; let
   cfg = config.kubernetes.api.resources.deployments.nginx;
   image = images.nginx;
 
@@ -12,30 +18,31 @@ let
       namespace = config.kubernetes.namespace;
       name = "curl";
     };
-    spec.containers = [{
-      name = "curl";
-      image = config.docker.images.curl.path;
-      args = [ "curl" "--retry" "20" "--retry-connrefused" "http://nginx" ];
-    }];
+    spec.containers = [
+      {
+        name = "curl";
+        image = config.docker.images.curl.path;
+        args = ["curl" "--retry" "20" "--retry-connrefused" "http://nginx"];
+      }
+    ];
     spec.restartPolicy = "Never";
   });
-
-in
-{
-  imports = [ kubenix.modules.test kubenix.modules.k8s kubenix.modules.docker ];
+in {
+  imports = [kubenix.modules.test kubenix.modules.k8s kubenix.modules.docker];
 
   test = {
     name = "k8s-deployment";
     description = "Simple k8s testing a simple deployment";
-    assertions = [{
-      message = "should have correct apiVersion and kind set";
-      assertion =
-        if ((builtins.compareVersions config.kubernetes.version "1.7") <= 0)
-        then cfg.apiVersion == "apps/v1beta1"
-        else if ((builtins.compareVersions config.kubernetes.version "1.8") <= 0)
-        then cfg.apiVersion == "apps/v1beta2"
-        else cfg.apiVersion == "apps/v1";
-    }
+    assertions = [
+      {
+        message = "should have correct apiVersion and kind set";
+        assertion =
+          if ((builtins.compareVersions config.kubernetes.version "1.7") <= 0)
+          then cfg.apiVersion == "apps/v1beta1"
+          else if ((builtins.compareVersions config.kubernetes.version "1.8") <= 0)
+          then cfg.apiVersion == "apps/v1beta2"
+          else cfg.apiVersion == "apps/v1";
+      }
       {
         message = "should have corrent kind set";
         assertion = cfg.kind == "Deployment";
@@ -43,7 +50,8 @@ in
       {
         message = "should have replicas set";
         assertion = cfg.spec.replicas == 3;
-      }];
+      }
+    ];
     script = ''
       import time
 
@@ -97,10 +105,12 @@ in
 
   kubernetes.resources.services.nginx = {
     spec = {
-      ports = [{
-        name = "http";
-        port = 80;
-      }];
+      ports = [
+        {
+          name = "http";
+          port = 80;
+        }
+      ];
       selector.app = "nginx";
     };
   };

tests/k8s/imports.nix

@@ -1,25 +1,29 @@
-{ config, lib, kubenix, ... }:
-
-with lib;
-let
+{
+  config,
+  lib,
+  kubenix,
+  ...
+}:
+with lib; let
   pod = config.kubernetes.api.resources.core.v1.Pod.test;
   deployment = config.kubernetes.api.resources.apps.v1.Deployment.nginx-deployment;
-in
-{
-  imports = with kubenix.modules; [ test k8s ];
+in {
+  imports = with kubenix.modules; [test k8s];
 
   test = {
     name = "k8s-imports";
     description = "Simple k8s testing imports";
     enable = builtins.compareVersions config.kubernetes.version "1.10" >= 0;
-    assertions = [{
-      message = "Pod should have name set";
-      assertion = pod.metadata.name == "test";
-    }
+    assertions = [
+      {
+        message = "Pod should have name set";
+        assertion = pod.metadata.name == "test";
+      }
       {
         message = "Deployment should have name set";
         assertion = deployment.metadata.name == "nginx-deployment";
-      }];
+      }
+    ];
   };
 
   kubernetes.imports = [

tests/k8s/order.nix

@@ -1,22 +1,28 @@
-{ config, lib, kubenix, pkgs, ... }:
-
-with lib;
-let
-  cfg = config.kubernetes.api.resources.customResourceDefinitions.crontabs;
-in
 {
-  imports = with kubenix.modules; [ test k8s ];
+  config,
+  lib,
+  kubenix,
+  pkgs,
+  ...
+}:
+with lib; let
+  cfg = config.kubernetes.api.resources.customResourceDefinitions.crontabs;
+in {
+  imports = with kubenix.modules; [test k8s];
 
   test = {
     name = "k8s-order";
     description = "test tesing k8s resource order";
-    assertions = [{
-      message = "should have correct order of resources";
-      assertion =
-        (elemAt config.kubernetes.objects 0).kind == "CustomResourceDefinition" &&
-        (elemAt config.kubernetes.objects 1).kind == "Namespace" &&
-        (elemAt config.kubernetes.objects 2).kind == "CronTab";
-    }];
+    assertions = [
+      {
+        message = "should have correct order of resources";
+        assertion =
+          (elemAt config.kubernetes.objects 0).kind
+          == "CustomResourceDefinition"
+          && (elemAt config.kubernetes.objects 1).kind == "Namespace"
+          && (elemAt config.kubernetes.objects 2).kind == "CronTab";
+      }
+    ];
   };
 
   kubernetes.resources.customResourceDefinitions.crontabs = {
@@ -24,38 +30,42 @@ in
     metadata.name = "crontabs.stable.example.com";
     spec = {
       group = "stable.example.com";
-      versions = [{
-        name = "v1";
-        served = true;
-        schema = true;
-      }];
+      versions = [
+        {
+          name = "v1";
+          served = true;
+          schema = true;
+        }
+      ];
       scope = "Namespaced";
       names = {
         plural = "crontabs";
         singular = "crontab";
         kind = "CronTab";
-        shortNames = [ "ct" ];
+        shortNames = ["ct"];
       };
     };
   };
 
-  kubernetes.customTypes = [{
-    name = "crontabs";
-    description = "CronTabs resources";
+  kubernetes.customTypes = [
+    {
+      name = "crontabs";
+      description = "CronTabs resources";
 
-    attrName = "cronTabs";
-    group = "stable.example.com";
-    version = "v1";
-    kind = "CronTab";
-    module = {
-      options.schedule = mkOption {
-        description = "Crontab schedule script";
-        type = types.str;
+      attrName = "cronTabs";
+      group = "stable.example.com";
+      version = "v1";
+      kind = "CronTab";
+      module = {
+        options.schedule = mkOption {
+          description = "Crontab schedule script";
+          type = types.str;
+        };
       };
-    };
-  }];
+    }
+  ];
 
-  kubernetes.resources.namespaces.test = { };
+  kubernetes.resources.namespaces.test = {};
 
   kubernetes.resources."stable.example.com"."v1".CronTab.crontab.spec.schedule = "* * * * *";
 }

tests/k8s/simple.nix

@@ -1,22 +1,26 @@
-{ config, kubenix, ... }:
-let
-  cfg = config.kubernetes.api.resources.pods.nginx;
-in
 {
-  imports = [ kubenix.modules.test kubenix.modules.k8s ];
+  config,
+  kubenix,
+  ...
+}: let
+  cfg = config.kubernetes.api.resources.pods.nginx;
+in {
+  imports = [kubenix.modules.test kubenix.modules.k8s];
 
   test = {
     name = "k8s-simple";
     description = "Simple k8s testing wheter name, apiVersion and kind are preset";
-    assertions = [{
-      message = "should have apiVersion and kind set";
-      assertion = cfg.apiVersion == "v1" && cfg.kind == "Pod";
-    }
+    assertions = [
+      {
+        message = "should have apiVersion and kind set";
+        assertion = cfg.apiVersion == "v1" && cfg.kind == "Pod";
+      }
       {
         message = "should have name set";
         assertion = cfg.metadata.name == "nginx";
-      }];
+      }
+    ];
   };
 
-  kubernetes.resources.pods.nginx = { };
+  kubernetes.resources.pods.nginx = {};
 }

tests/k8s/submodule.nix

@@ -1,54 +1,68 @@
-{ name, config, lib, kubenix, images, ... }:
-
-with lib;
-let
-  cfg = config.submodules.instances.passthru;
-in
 {
-  imports = with kubenix.modules; [ test submodules k8s docker ];
+  name,
+  config,
+  lib,
+  kubenix,
+  images,
+  ...
+}:
+with lib; let
+  cfg = config.submodules.instances.passthru;
+in {
+  imports = with kubenix.modules; [test submodules k8s docker];
 
   test = {
     name = "k8s-submodule";
     description = "Simple k8s submodule test";
-    assertions = [{
-      message = "Submodule has correct name set";
-      assertion = (head config.kubernetes.objects).metadata.name == "passthru";
-    }
+    assertions = [
+      {
+        message = "Submodule has correct name set";
+        assertion = (head config.kubernetes.objects).metadata.name == "passthru";
+      }
       {
         message = "Should expose docker image";
         assertion = (head config.docker.export).imageName == "xtruder/nginx";
-      }];
+      }
+    ];
   };
 
   kubernetes.namespace = "test-namespace";
 
-  submodules.imports = [{
-    module = { name, config, ... }: {
-      imports = with kubenix.modules; [ submodule k8s docker ];
+  submodules.imports = [
+    {
+      module = {
+        name,
+        config,
+        ...
+      }: {
+        imports = with kubenix.modules; [submodule k8s docker];
 
-      config = {
-        submodule = {
-          name = "test-submodule";
-          passthru = {
-            kubernetes.objects = config.kubernetes.objects;
-            docker.images = config.docker.images;
+        config = {
+          submodule = {
+            name = "test-submodule";
+            passthru = {
+              kubernetes.objects = config.kubernetes.objects;
+              docker.images = config.docker.images;
+            };
           };
-        };
 
-        kubernetes.resources.pods.nginx = {
-          metadata.name = name;
-          spec.containers.nginx.image = config.docker.images.nginx.path;
-        };
+          kubernetes.resources.pods.nginx = {
+            metadata.name = name;
+            spec.containers.nginx.image = config.docker.images.nginx.path;
+          };
 
-        docker.images.nginx.image = images.nginx;
+          docker.images.nginx.image = images.nginx;
+        };
       };
-    };
-  }];
+    }
+  ];
 
-  kubernetes.api.defaults = [{
-    propagate = true;
-    default.metadata.labels.my-label = "my-value";
-  }];
+  kubernetes.api.defaults = [
+    {
+      propagate = true;
+      default.metadata.labels.my-label = "my-value";
+    }
+  ];
 
   submodules.instances.passthru = {
     submodule = "test-submodule";

tests/submodules/defaults.nix

@@ -1,7 +1,11 @@
-{ name, config, lib, kubenix, ... }:
-
-with lib;
-let
+{
+  name,
+  config,
+  lib,
+  kubenix,
+  ...
+}:
+with lib; let
   instance1 = config.submodules.instances.instance1;
   instance2 = config.submodules.instances.instance2;
   instance3 = config.submodules.instances.instance3;
@@ -9,8 +13,8 @@ let
   instance5 = config.submodules.instances.instance5;
   versioned-submodule = config.submodules.instances.versioned-submodule;
 
-  submodule = { name, ... }: {
-    imports = [ kubenix.modules.submodule ];
+  submodule = {name, ...}: {
+    imports = [kubenix.modules.submodule];
 
     options.submodule.args = {
       value = mkOption {
@@ -24,17 +28,17 @@ let
       };
     };
   };
-in
-{
-  imports = with kubenix.modules; [ test submodules ];
+in {
+  imports = with kubenix.modules; [test submodules];
 
   test = {
     name = "submodules-defaults";
     description = "Simple submodule test";
-    assertions = [{
-      message = "should apply defaults by tag1";
-      assertion = instance1.config.submodule.args.value == "value1";
-    }
+    assertions = [
+      {
+        message = "should apply defaults by tag1";
+        assertion = instance1.config.submodule.args.value == "value1";
+      }
       {
         message = "should apply defaults by tag2";
         assertion = instance2.config.submodule.args.value == "value2";
@@ -46,8 +50,9 @@ in
       {
         message = "should apply defaults to all";
         assertion =
-          instance1.config.submodule.args.defaultValue == "value" &&
-          instance2.config.submodule.args.defaultValue == "value";
+          instance1.config.submodule.args.defaultValue
+          == "value"
+          && instance2.config.submodule.args.defaultValue == "value";
       }
       {
         message = "instance1 and instance3 should have value of default-value";
@@ -64,27 +69,29 @@ in
       {
         message = "should apply defaults to versioned submodule";
         assertion = versioned-submodule.config.submodule.args.defaultValue == "versioned-submodule";
-      }];
-  };
-
-  submodules.imports = [{
-    modules = [
-      submodule
-      {
-        submodule = {
-          name = "submodule1";
-          tags = [ "tag1" ];
-        };
       }
     ];
-  }
+  };
+
+  submodules.imports = [
+    {
+      modules = [
+        submodule
+        {
+          submodule = {
+            name = "submodule1";
+            tags = ["tag1"];
+          };
+        }
+      ];
+    }
     {
       modules = [
         submodule
         {
           submodule = {
             name = "submodule2";
-            tags = [ "tag2" ];
+            tags = ["tag2"];
           };
         }
       ];
@@ -95,7 +102,7 @@ in
         {
           submodule = {
             name = "submodule3";
-            tags = [ "tag2" ];
+            tags = ["tag2"];
           };
         }
       ];
@@ -131,17 +138,19 @@ in
           };
         }
       ];
-    }];
+    }
+  ];
 
-  submodules.defaults = [{
-    default.submodule.args.defaultValue = mkDefault "value";
-  }
+  submodules.defaults = [
     {
-      tags = [ "tag1" ];
+      default.submodule.args.defaultValue = mkDefault "value";
+    }
+    {
+      tags = ["tag1"];
       default.submodule.args.value = mkDefault "value1";
     }
     {
-      tags = [ "tag2" ];
+      tags = ["tag2"];
       default.submodule.args.value = mkDefault "value2";
     }
     {
@@ -149,7 +158,7 @@ in
       default.submodule.args.value = mkDefault "value4";
     }
     {
-      default = { config, ... }: {
+      default = {config, ...}: {
         submodule.args.defaultValue = mkIf (config.submodule.args.value == "custom-value") "my-custom-value";
       };
     }
@@ -157,7 +166,8 @@ in
       name = "versioned-submodule";
       version = "2.0.0";
       default.submodule.args.value = mkDefault "versioned";
-    }];
+    }
+  ];
 
   submodules.instances.instance1.submodule = "submodule1";
   submodules.instances.instance2.submodule = "submodule2";

tests/submodules/exports.nix

@@ -1,9 +1,14 @@
-{ name, config, lib, kubenix, subm-lib, ... }:
-
-with lib;
-let
+{
+  name,
+  config,
+  lib,
+  kubenix,
+  subm-lib,
+  ...
+}:
+with lib; let
   submodule = {
-    imports = [ kubenix.modules.submodule ];
+    imports = [kubenix.modules.submodule];
 
     config.submodule = {
       name = "subm";
@@ -12,21 +17,24 @@ let
       };
     };
   };
-in
-{
-  imports = with kubenix.modules; [ test submodules ];
+in {
+  imports = with kubenix.modules; [test submodules];
 
   test = {
     name = "submodules-exports";
     description = "Submodules exports test";
-    assertions = [{
-      message = "should have library exported";
-      assertion = subm-lib.id 1 == 1;
-    }];
+    assertions = [
+      {
+        message = "should have library exported";
+        assertion = subm-lib.id 1 == 1;
+      }
+    ];
   };
 
-  submodules.imports = [{
-    modules = [ submodule ];
-    exportAs = "subm-lib";
-  }];
+  submodules.imports = [
+    {
+      modules = [submodule];
+      exportAs = "subm-lib";
+    }
+  ];
 }

tests/submodules/passthru.nix

@@ -1,24 +1,27 @@
-{ name, config, lib, kubenix, ... }:
-
-with lib;
-let
-  submodule = { name, ... }: {
-    imports = [ kubenix.modules.submodule ];
+{
+  name,
+  config,
+  lib,
+  kubenix,
+  ...
+}:
+with lib; let
+  submodule = {name, ...}: {
+    imports = [kubenix.modules.submodule];
 
     config.submodule = {
       name = "subm";
       passthru.global.${name} = "true";
     };
   };
-in
-{
-  imports = with kubenix.modules; [ test submodules ];
+in {
+  imports = with kubenix.modules; [test submodules];
 
   options = {
     global = mkOption {
       description = "Global value";
       type = types.attrs;
-      default = { };
+      default = {};
     };
   };
 
@@ -26,10 +29,11 @@ in
     test = {
       name = "submodules-passthru";
       description = "Submodules passthru test";
-      assertions = [{
-        message = "should passthru values if passthru enabled";
-        assertion = hasAttr "inst1" config.global && config.global.inst1 == "true";
-      }
+      assertions = [
+        {
+          message = "should passthru values if passthru enabled";
+          assertion = hasAttr "inst1" config.global && config.global.inst1 == "true";
+        }
         {
           message = "should not passthru values if passthru not enabled";
           assertion = !(hasAttr "inst2" config.global);
@@ -37,12 +41,15 @@ in
         {
           message = "should passthru by default";
           assertion = hasAttr "inst3" config.global && config.global.inst3 == "true";
-        }];
+        }
+      ];
     };
 
-    submodules.imports = [{
-      modules = [ submodule ];
-    }];
+    submodules.imports = [
+      {
+        modules = [submodule];
+      }
+    ];
 
     submodules.instances.inst1 = {
       submodule = "subm";

tests/submodules/simple.nix

@@ -1,20 +1,24 @@
-{ name, config, lib, kubenix, ... }:
-
-with lib;
-let
+{
+  name,
+  config,
+  lib,
+  kubenix,
+  ...
+}:
+with lib; let
   cfg = config.submodules.instances.instance;
   args = cfg.config.submodule.args;
-in
-{
-  imports = with kubenix.modules; [ test submodules ];
+in {
+  imports = with kubenix.modules; [test submodules];
 
   test = {
     name = "submodules-simple";
     description = "Simple k8s submodule test";
-    assertions = [{
-      message = "Submodule name is set";
-      assertion = cfg.name == "instance";
-    }
+    assertions = [
+      {
+        message = "Submodule name is set";
+        assertion = cfg.name == "instance";
+      }
       {
         message = "Submodule version is set";
         assertion = cfg.version == null;
@@ -34,32 +38,35 @@ in
       {
         message = "should have tag set";
         assertion = elem "tag" (cfg.config.submodule.tags);
-      }];
+      }
+    ];
   };
 
   submodules.propagate.enable = true;
-  submodules.imports = [{
-    module = { submodule, ... }: {
-      imports = [ kubenix.modules.submodule ];
+  submodules.imports = [
+    {
+      module = {submodule, ...}: {
+        imports = [kubenix.modules.submodule];
 
-      options.submodule.args = {
-        name = mkOption {
-          description = "Submodule name";
-          type = types.str;
-          default = submodule.name;
+        options.submodule.args = {
+          name = mkOption {
+            description = "Submodule name";
+            type = types.str;
+            default = submodule.name;
+          };
+          value = mkOption {
+            description = "Submodule argument";
+            type = types.str;
+          };
         };
-        value = mkOption {
-          description = "Submodule argument";
-          type = types.str;
+
+        config = {
+          submodule.name = "submodule";
+          submodule.tags = ["tag"];
         };
       };
-
-      config = {
-        submodule.name = "submodule";
-        submodule.tags = [ "tag" ];
-      };
-    };
-  }];
+    }
+  ];
 
   submodules.instances.instance = {
     submodule = "submodule";

tests/submodules/versioning.nix

@@ -1,13 +1,17 @@
-{ name, config, lib, kubenix, ... }:
-
-with lib;
-let
+{
+  name,
+  config,
+  lib,
+  kubenix,
+  ...
+}:
+with lib; let
   inst-exact = config.submodules.instances.inst-exact.config;
   inst-regex = config.submodules.instances.inst-regex.config;
   inst-latest = config.submodules.instances.inst-latest.config;
 
   submodule = {
-    imports = [ kubenix.modules.submodule ];
+    imports = [kubenix.modules.submodule];
 
     options.version = mkOption {
       type = types.str;
@@ -16,17 +20,17 @@ let
 
     config.submodule.name = "subm";
   };
-in
-{
-  imports = with kubenix.modules; [ test submodules ];
+in {
+  imports = with kubenix.modules; [test submodules];
 
   test = {
     name = "submodules-versioning";
     description = "Submodules versioning test";
-    assertions = [{
-      message = "should select exact version";
-      assertion = inst-exact.version == "1.1.0";
-    }
+    assertions = [
+      {
+        message = "should select exact version";
+        assertion = inst-exact.version == "1.1.0";
+      }
       {
         message = "should select regex version";
         assertion = inst-regex.version == "1.2.1";
@@ -34,37 +38,48 @@ in
       {
         message = "should select latest version";
         assertion = inst-latest.version == "1.2.1";
-      }];
+      }
+    ];
   };
 
-  submodules.imports = [{
-    modules = [{
-      config.submodule.version = "1.0.0";
-      config.version = "1.0.0";
-    }
-      submodule];
-  }
+  submodules.imports = [
     {
-      modules = [{
-        config.submodule.version = "1.1.0";
-        config.version = "1.1.0";
-      }
-        submodule];
+      modules = [
+        {
+          config.submodule.version = "1.0.0";
+          config.version = "1.0.0";
+        }
+        submodule
+      ];
     }
     {
-      modules = [{
-        config.submodule.version = "1.2.0";
-        config.version = "1.2.0";
-      }
-        submodule];
+      modules = [
+        {
+          config.submodule.version = "1.1.0";
+          config.version = "1.1.0";
+        }
+        submodule
+      ];
     }
     {
-      modules = [{
-        config.submodule.version = "1.2.1";
-        config.version = "1.2.1";
-      }
-        submodule];
-    }];
+      modules = [
+        {
+          config.submodule.version = "1.2.0";
+          config.version = "1.2.0";
+        }
+        submodule
+      ];
+    }
+    {
+      modules = [
+        {
+          config.submodule.version = "1.2.1";
+          config.version = "1.2.1";
+        }
+        submodule
+      ];
+    }
+  ];
 
   submodules.instances.inst-exact = {
     submodule = "subm";