c536fb7293
The first part of the refactor simplifies the logic in the module and hides functions which are only used to extract container env vars. Second the option renaming to piholeConfig unifies the naming with the hostConfig option.
45 lines
1.4 KiB
Nix
45 lines
1.4 KiB
Nix
with builtins; let
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collectAttrFragments = predicate: attrs: let
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_collectAttrFragments = attrs:
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concatMap (key: _collectAttrFragmentsBelowKey key attrs.${key}) (attrNames attrs)
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;
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_collectAttrFragmentsBelowKey = key: value:
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if predicate value then [ [key] ]
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else if isAttrs value then
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map (fragment: [key] ++ fragment) (_collectAttrFragments value)
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else [ ]
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;
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in _collectAttrFragments attrs
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;
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accessValueOfFragment = attrs: fragment: let
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_accessValueOfFragment = value: fragment:
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if fragment == [] then value
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else _accessValueOfFragment (value.${head fragment}) (tail fragment)
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;
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in _accessValueOfFragment attrs fragment
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;
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toEnvValue = value:
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if isBool value then (if value then "true" else "false")
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else if isList value then "[${concatStringSep ";" value}]"
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else value
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;
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in {
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extractContainerEnvVars = piholeOptionDeclarations: piholeOptionDefinitions: let
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_opt = piholeOptionDeclarations;
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_cfg = piholeOptionDefinitions;
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_envVarFragments = collectAttrFragments (value: isAttrs value && value ? "envVar") _opt.piholeConfig;
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in filter
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(envVar: envVar.value != null)
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(map
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(fragment: {
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name = getAttr "envVar" (accessValueOfFragment _opt.piholeConfig fragment);
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value = toEnvValue (accessValueOfFragment _cfg.piholeConfig fragment);
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})
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_envVarFragments
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)
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;
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}
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