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GTrunSec
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commit
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55 changed files with 23668 additions and 30925 deletions
329
modules/k8s.nix
329
modules/k8s.nix
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@ -1,33 +1,36 @@
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# K8S module defines kubernetes definitions for kubenix
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{ options, config, lib, pkgs, k8s, ... }:
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with lib;
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let
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{
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options,
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config,
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lib,
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pkgs,
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k8s,
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...
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}:
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with lib; let
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cfg = config.kubernetes;
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gvkKeyFn = type: "${type.group}/${type.version}/${type.kind}";
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getDefaults = resource: group: version: kind:
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catAttrs "default" (filter
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(default:
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(resource == null || default.resource == null || default.resource == resource) &&
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(default.group == null || default.group == group) &&
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(default.version == null || default.version == version) &&
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(default.kind == null || default.kind == kind)
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(
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default:
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(resource == null || default.resource == null || default.resource == resource)
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&& (default.group == null || default.group == group)
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&& (default.version == null || default.version == version)
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&& (default.kind == null || default.kind == kind)
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)
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cfg.api.defaults);
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moduleToAttrs = value:
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if isAttrs value
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then mapAttrs (n: v: moduleToAttrs v) (filterAttrs (n: v: v != null && !(hasPrefix "_" n)) value)
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else if isList value
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then map (v: moduleToAttrs v) value
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else value;
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apiOptions = { config, ... }: {
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apiOptions = {config, ...}: {
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options = {
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definitions = mkOption {
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description = "Attribute set of kubernetes definitions";
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@ -35,7 +38,7 @@ let
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defaults = mkOption {
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description = "Kubernetes defaults to apply to resources";
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type = types.listOf (types.submodule ({ config, ... }: {
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type = types.listOf (types.submodule ({config, ...}: {
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options = {
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group = mkOption {
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description = "Group to apply default to (all by default)";
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@ -70,17 +73,18 @@ let
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default = mkOption {
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description = "Default to apply";
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type = types.unspecified;
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default = { };
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default = {};
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};
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};
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}));
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default = [ ];
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default = [];
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apply = unique;
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};
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types = mkOption {
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description = "List of registered kubernetes types";
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type = coerceListOfSubmodulesToAttrs
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type =
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coerceListOfSubmodulesToAttrs
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{
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options = {
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group = mkOption {
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@ -110,7 +114,7 @@ let
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};
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}
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gvkKeyFn;
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default = { };
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default = {};
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};
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};
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@ -121,17 +125,26 @@ let
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};
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indexOf = lst: value:
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head (filter (v: v != -1) (imap0 (i: v: if v == value then i else -1) lst));
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head (filter (v: v != -1) (imap0 (i: v:
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if v == value
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then i
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else -1)
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lst));
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compareVersions = ver1: ver2:
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let
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getVersion = v: substring 1 10 v;
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splittedVer1 = builtins.splitVersion (getVersion ver1);
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splittedVer2 = builtins.splitVersion (getVersion ver2);
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compareVersions = ver1: ver2: let
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getVersion = v: substring 1 10 v;
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splittedVer1 = builtins.splitVersion (getVersion ver1);
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splittedVer2 = builtins.splitVersion (getVersion ver2);
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v1 = if length splittedVer1 == 1 then "${getVersion ver1}prod" else getVersion ver1;
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v2 = if length splittedVer2 == 1 then "${getVersion ver2}prod" else getVersion ver2;
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in
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v1 =
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if length splittedVer1 == 1
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then "${getVersion ver1}prod"
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else getVersion ver1;
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v2 =
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if length splittedVer2 == 1
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then "${getVersion ver2}prod"
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else getVersion ver2;
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in
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builtins.compareVersions v1 v2;
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customResourceTypesByAttrName = zipAttrs (mapAttrsToList
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@ -140,20 +153,23 @@ let
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})
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cfg.customTypes);
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customResourceTypesByAttrNameSortByVersion = mapAttrs
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(_: resourceTypes:
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reverseList (sort
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(r1: r2:
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compareVersions r1.version r2.version > 0
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)
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resourceTypes)
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customResourceTypesByAttrNameSortByVersion =
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mapAttrs
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(
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_: resourceTypes:
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reverseList (sort
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(
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r1: r2:
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compareVersions r1.version r2.version > 0
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)
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resourceTypes)
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)
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customResourceTypesByAttrName;
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latestCustomResourceTypes =
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mapAttrsToList (_: resources: last resources) customResourceTypesByAttrNameSortByVersion;
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customResourceModuleForType = config: ct: { name, ... }: {
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customResourceModuleForType = config: ct: {name, ...}: {
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imports = getDefaults ct.name ct.group ct.version ct.kind;
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options = {
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apiVersion = mkOption {
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@ -174,7 +190,7 @@ let
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spec = mkOption {
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description = "Module spec";
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type = types.either types.attrs (types.submodule ct.module);
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default = { };
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default = {};
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};
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};
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@ -185,81 +201,78 @@ let
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};
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};
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customResourceOptions = (mapAttrsToList
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(_: ct: { config, ... }:
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let
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customResourceOptions =
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(mapAttrsToList
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(_: ct: {config, ...}: let
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module = customResourceModuleForType config ct;
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in
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{
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in {
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options.resources.${ct.group}.${ct.version}.${ct.kind} = mkOption {
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description = ct.description;
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type = types.attrsOf (types.submodule module);
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default = { };
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default = {};
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};
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})
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cfg.customTypes) ++ (map
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(ct: { options, config, ... }:
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let
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cfg.customTypes)
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++ (map
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(ct: {
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options,
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config,
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...
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}: let
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module = customResourceModuleForType config ct;
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in
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{
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in {
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options.resources.${ct.attrName} = mkOption {
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description = ct.description;
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type = types.attrsOf (types.submodule module);
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default = { };
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default = {};
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};
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config.resources.${ct.group}.${ct.version}.${ct.kind} =
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mkAliasDefinitions options.resources.${ct.attrName};
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})
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latestCustomResourceTypes);
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latestCustomResourceTypes);
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coerceListOfSubmodulesToAttrs = submodule: keyFn:
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let
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mergeValuesByFn = keyFn: values:
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listToAttrs (map
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(value:
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coerceListOfSubmodulesToAttrs = submodule: keyFn: let
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mergeValuesByFn = keyFn: values:
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listToAttrs (map
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(
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value:
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nameValuePair (toString (keyFn value)) value
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)
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values);
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)
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values);
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# Either value of type `finalType` or `coercedType`, the latter is
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# converted to `finalType` using `coerceFunc`.
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coercedTo = coercedType: coerceFunc: finalType:
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mkOptionType rec {
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name = "coercedTo";
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description = "${finalType.description} or ${coercedType.description}";
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check = x: finalType.check x || coercedType.check x;
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merge = loc: defs:
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let
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coerceVal = val:
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if finalType.check val then
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val
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else
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let coerced = coerceFunc val; in assert finalType.check coerced; coerced;
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in
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finalType.merge loc (map (def: def // { value = coerceVal def.value; }) defs);
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getSubOptions = finalType.getSubOptions;
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getSubModules = finalType.getSubModules;
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substSubModules = m: coercedTo coercedType coerceFunc (finalType.substSubModules m);
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typeMerge = t1: t2: null;
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functor = (defaultFunctor name) // { wrapped = finalType; };
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};
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in
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# Either value of type `finalType` or `coercedType`, the latter is
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# converted to `finalType` using `coerceFunc`.
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coercedTo = coercedType: coerceFunc: finalType:
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mkOptionType rec {
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name = "coercedTo";
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description = "${finalType.description} or ${coercedType.description}";
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check = x: finalType.check x || coercedType.check x;
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merge = loc: defs: let
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coerceVal = val:
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if finalType.check val
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then val
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else let coerced = coerceFunc val; in assert finalType.check coerced; coerced;
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in
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finalType.merge loc (map (def: def // {value = coerceVal def.value;}) defs);
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getSubOptions = finalType.getSubOptions;
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getSubModules = finalType.getSubModules;
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substSubModules = m: coercedTo coercedType coerceFunc (finalType.substSubModules m);
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typeMerge = t1: t2: null;
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functor = (defaultFunctor name) // {wrapped = finalType;};
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};
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in
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coercedTo
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(types.listOf (types.submodule submodule))
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(mergeValuesByFn keyFn)
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(types.attrsOf (types.submodule submodule));
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in
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{
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imports = [ ./base.nix ];
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(types.listOf (types.submodule submodule))
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(mergeValuesByFn keyFn)
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(types.attrsOf (types.submodule submodule));
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in {
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imports = [./base.nix];
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options.kubernetes = {
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version = mkOption {
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description = "Kubernetes version to use";
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type = types.enum [ "1.19" "1.20" "1.21" ];
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type = types.enum ["1.19" "1.20" "1.21"];
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default = "1.21";
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};
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@ -280,29 +293,32 @@ in
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api = mkOption {
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type = types.submodule {
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imports = [
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(./generated + ''/v'' + cfg.version + ".nix")
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apiOptions
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] ++ customResourceOptions;
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imports =
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[
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(./generated + ''/v'' + cfg.version + ".nix")
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apiOptions
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]
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++ customResourceOptions;
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};
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default = { };
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default = {};
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};
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imports = mkOption {
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type = types.listOf (types.either types.package types.path);
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description = "List of resources to import";
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default = [ ];
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default = [];
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};
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resources = mkOption {
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description = "Alias for `config.kubernetes.api.resources` options";
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default = { };
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default = {};
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type = types.attrsOf types.attrs;
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};
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customTypes = mkOption {
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description = "List of custom resource types to make API for";
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type = coerceListOfSubmodulesToAttrs
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type =
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coerceListOfSubmodulesToAttrs
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{
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options = {
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group = mkOption {
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|
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@ -340,25 +356,29 @@ in
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module = mkOption {
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description = "Custom type module";
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type = types.unspecified;
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default = { };
|
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default = {};
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};
|
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};
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}
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gvkKeyFn;
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default = { };
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default = {};
|
||||
};
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objects = mkOption {
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description = "List of generated kubernetes objects";
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type = types.listOf types.attrs;
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apply = items: sort
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(r1: r2:
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if elem r1.kind cfg.resourceOrder && elem r2.kind cfg.resourceOrder
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then indexOf cfg.resourceOrder r1.kind < indexOf cfg.resourceOrder r2.kind
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else if elem r1.kind cfg.resourceOrder then true else false
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apply = items:
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sort
|
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(
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r1: r2:
|
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if elem r1.kind cfg.resourceOrder && elem r2.kind cfg.resourceOrder
|
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then indexOf cfg.resourceOrder r1.kind < indexOf cfg.resourceOrder r2.kind
|
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else if elem r1.kind cfg.resourceOrder
|
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then true
|
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else false
|
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)
|
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(unique items);
|
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default = [ ];
|
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default = [];
|
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};
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generated = mkOption {
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|
|
@ -379,26 +399,26 @@ in
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|
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config = {
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# features that module is defining
|
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_m.features = [ "k8s" ];
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_m.features = ["k8s"];
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|
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# module propagation options
|
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_m.propagate = [{
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features = [ "k8s" ];
|
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module = { config, ... }: {
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# propagate kubernetes version and namespace
|
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kubernetes.version = mkDefault cfg.version;
|
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kubernetes.namespace = mkDefault cfg.namespace;
|
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};
|
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}
|
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_m.propagate = [
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{
|
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features = [ "k8s" "submodule" ];
|
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module = { config, ... }: {
|
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features = ["k8s"];
|
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module = {config, ...}: {
|
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# propagate kubernetes version and namespace
|
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kubernetes.version = mkDefault cfg.version;
|
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kubernetes.namespace = mkDefault cfg.namespace;
|
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};
|
||||
}
|
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{
|
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features = ["k8s" "submodule"];
|
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module = {config, ...}: {
|
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# set module defaults
|
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kubernetes.api.defaults = (
|
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# propagate defaults if default propagation is enabled
|
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(filter (default: default.propagate) cfg.api.defaults) ++
|
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|
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[
|
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(filter (default: default.propagate) cfg.api.defaults)
|
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++ [
|
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# set module name and version for all kuberentes resources
|
||||
{
|
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default.metadata.labels = {
|
||||
|
|
@ -409,38 +429,44 @@ in
|
|||
]
|
||||
);
|
||||
};
|
||||
}];
|
||||
}
|
||||
];
|
||||
|
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# expose k8s helper methods as module argument
|
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_module.args.k8s = import ../lib/k8s { inherit lib; };
|
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_module.args.k8s = import ../lib/k8s {inherit lib;};
|
||||
|
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kubernetes.api = mkMerge ([{
|
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# register custom types
|
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types = mapAttrsToList
|
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(_: cr: {
|
||||
inherit (cr) name group version kind attrName;
|
||||
})
|
||||
cfg.customTypes;
|
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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);
|
||||
|
|
|
|||
Loading…
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Reference in a new issue