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feat: refactor module definitions to use submodules, better defaults

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This commit is contained in:
Jaka Hudoklin 2017-12-20 16:54:56 +01:00
parent 3ad7f6f8e6
commit ba9ad5067a
1 changed files with 39 additions and 31 deletions
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70
modules.nix
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@ -6,29 +6,33 @@ with import ./lib.nix { inherit pkgs lib; };
let
globalConfig = config;
evalK8SModule = {module, name, configuration}: evalModules {
modules = [
mkModuleOptions = moduleDefinition: module:
let
nameToModule = moduleConfig:
if isFunction moduleConfig then
{name, ...}@args:
(moduleConfig (args // {name = module.name;})) // {_file = "module-${module.name}";}
else {name, ...}: moduleConfig // {_file = "module-${module.name}";};
in [
(import ./kubernetes.nix {
customResourceDefinitions = config.kubernetes.resources.customResourceDefinitions;
customResourceDefinitions =
config.kubernetes.resources.customResourceDefinitions;
})
./modules.nix module configuration
] ++ config.kubernetes.defaultModuleConfiguration;
args = {
inherit pkgs k8s name;
};
};
./modules.nix (nameToModule moduleDefinition.module)
] ++ config.kubernetes.defaultModuleConfiguration.all
++ (optionals (hasAttr moduleDefinition.name config.kubernetes.defaultModuleConfiguration)
config.kubernetes.defaultModuleConfiguration.${moduleDefinition.name});
prefixResources = resources: serviceName:
mapAttrs (groupName: resources:
mapAttrs' (name: resource: nameValuePair "${serviceName}-${name}" resource) resources
) resources;
in {
options.kubernetes.defaultModuleConfiguration = mkOption {
description = "Default configuration for kubernetes modules";
type = types.listOf types.attrs;
default = {};
};
defaultModuleConfigurationOptions = mapAttrs (name: moduleDefinition: mkOption {
type = types.listOf types.attrs;
default = [];
}) config.kubernetes.moduleDefinitions;
in {
options.kubernetes.moduleDefinitions = mkOption {
description = "Attribute set of module definitions";
default = {};
@ -47,6 +51,20 @@ in {
}));
};
options.kubernetes.defaultModuleConfiguration = mkOption {
description = "Module default options";
type = types.submodule {
options = defaultModuleConfigurationOptions // {
all = mkOption {
description = "Module default configuration for all modules";
type = types.listOf types.attrs;
default = [];
};
};
};
default = {};
};
options.kubernetes.modules = mkOption {
description = "Attribute set of module definitions";
default = {};
@ -60,7 +78,9 @@ in {
configuration = mkOption {
description = "Module configuration";
type = types.attrs;
type = types.submodule {
imports = mkModuleOptions globalConfig.kubernetes.moduleDefinitions.${config.module} config;
};
default = {};
};
@ -68,18 +88,6 @@ in {
description = "Name of the module to use";
type = types.str;
};
evaledModule = mkOption {
description = "Evaluated config";
internal = true;
};
};
config = {
evaledModule = (evalK8SModule {
module = globalConfig.kubernetes.moduleDefinitions.${config.module}.module;
inherit (config) name configuration;
});
};
}));
};
@ -87,17 +95,17 @@ in {
config = {
kubernetes.resources = mkMerge (
mapAttrsToList (name: module:
prefixResources (moduleToAttrs module.evaledModule.config.kubernetes.resources) module.name
prefixResources (moduleToAttrs module.configuration.kubernetes.resources) module.name
) config.kubernetes.modules
);
kubernetes.customResources = mkMerge (
mapAttrsToList (name: module:
prefixResources (moduleToAttrs module.evaledModule.config.kubernetes.customResources) module.name
prefixResources (moduleToAttrs module.configuration.kubernetes.customResources) module.name
) config.kubernetes.modules
);
kubernetes.defaultModuleConfiguration = [{
kubernetes.defaultModuleConfiguration.all = [{
config.kubernetes.version = mkDefault config.kubernetes.version;
}];
};