forked from clan/clan-core
330 lines
9.5 KiB
Nix
330 lines
9.5 KiB
Nix
{
|
|
lib ? import <nixpkgs/lib>,
|
|
excludedTypes ? [
|
|
"functionTo"
|
|
"package"
|
|
],
|
|
}:
|
|
let
|
|
# remove _module attribute from options
|
|
clean = opts: builtins.removeAttrs opts [ "_module" ];
|
|
|
|
# throw error if option type is not supported
|
|
notSupported =
|
|
option:
|
|
lib.trace option throw ''
|
|
option type '${option.type.name}' ('${option.type.description}') not supported by jsonschema converter
|
|
location: ${lib.concatStringsSep "." option.loc}
|
|
'';
|
|
|
|
# Exclude the option if its type is in the excludedTypes list
|
|
# or if the option has a defaultText attribute
|
|
isExcludedOption =
|
|
option: ((lib.elem (option.type.name or null) excludedTypes) || (option ? defaultText));
|
|
|
|
filterExcluded = lib.filter (opt: !isExcludedOption opt);
|
|
|
|
filterExcludedAttrs = lib.filterAttrs (_name: opt: !isExcludedOption opt);
|
|
|
|
# Filter out options where the visible attribute is set to false
|
|
filterInvisibleOpts = lib.filterAttrs (_name: opt: opt.visible or true);
|
|
|
|
allBasicTypes = [
|
|
"boolean"
|
|
"integer"
|
|
"number"
|
|
"string"
|
|
"array"
|
|
"object"
|
|
"null"
|
|
];
|
|
in
|
|
rec {
|
|
|
|
# parses a nixos module to a jsonschema
|
|
parseModule =
|
|
module:
|
|
let
|
|
evaled = lib.evalModules { modules = [ module ]; };
|
|
in
|
|
parseOptions evaled.options;
|
|
|
|
# parses a set of evaluated nixos options to a jsonschema
|
|
parseOptions =
|
|
options':
|
|
let
|
|
options = filterInvisibleOpts (filterExcludedAttrs (clean options'));
|
|
# parse options to jsonschema properties
|
|
properties = lib.mapAttrs (_name: option: parseOption option) options;
|
|
# TODO: figure out how to handle if prop.anyOf is used
|
|
isRequired = prop: !(prop ? default || prop.type or null == "object");
|
|
requiredProps = lib.filterAttrs (_: prop: isRequired prop) properties;
|
|
required = lib.optionalAttrs (requiredProps != { }) { required = lib.attrNames requiredProps; };
|
|
in
|
|
# return jsonschema
|
|
required
|
|
// {
|
|
type = "object";
|
|
inherit properties;
|
|
};
|
|
|
|
# parses and evaluated nixos option to a jsonschema property definition
|
|
parseOption =
|
|
option:
|
|
let
|
|
default = lib.optionalAttrs (option ? default) { inherit (option) default; };
|
|
example = lib.optionalAttrs (option ? example) {
|
|
examples =
|
|
if (builtins.typeOf option.example) == "list" then option.example else [ option.example ];
|
|
};
|
|
description = lib.optionalAttrs (option ? description) {
|
|
description = option.description.text or option.description;
|
|
};
|
|
in
|
|
|
|
# either type
|
|
# TODO: if all nested options are excluded, the parent should be excluded too
|
|
if
|
|
option.type.name or null == "either" || option.type.name or null == "coercedTo"
|
|
# return jsonschema property definition for either
|
|
then
|
|
let
|
|
optionsList' = [
|
|
{
|
|
type = option.type.nestedTypes.left or option.type.nestedTypes.coercedType;
|
|
_type = "option";
|
|
loc = option.loc;
|
|
}
|
|
{
|
|
type = option.type.nestedTypes.right or option.type.nestedTypes.finalType;
|
|
_type = "option";
|
|
loc = option.loc;
|
|
}
|
|
];
|
|
optionsList = filterExcluded optionsList';
|
|
in
|
|
default // example // description // { anyOf = map parseOption optionsList; }
|
|
|
|
# handle nested options (not a submodule)
|
|
else if !option ? _type then
|
|
parseOptions option
|
|
|
|
# throw if not an option
|
|
else if option._type != "option" && option._type != "option-type" then
|
|
throw "parseOption: not an option"
|
|
|
|
# parse nullOr
|
|
else if
|
|
option.type.name == "nullOr"
|
|
# return jsonschema property definition for nullOr
|
|
then
|
|
let
|
|
nestedOption = {
|
|
type = option.type.nestedTypes.elemType;
|
|
_type = "option";
|
|
loc = option.loc;
|
|
};
|
|
in
|
|
default
|
|
// example
|
|
// description
|
|
// {
|
|
anyOf = [
|
|
{ type = "null"; }
|
|
] ++ (lib.optional (!isExcludedOption nestedOption) (parseOption nestedOption));
|
|
}
|
|
|
|
# parse bool
|
|
else if
|
|
option.type.name == "bool"
|
|
# return jsonschema property definition for bool
|
|
then
|
|
default // example // description // { type = "boolean"; }
|
|
|
|
# parse float
|
|
else if
|
|
option.type.name == "float"
|
|
# return jsonschema property definition for float
|
|
then
|
|
default // example // description // { type = "number"; }
|
|
|
|
# parse int
|
|
else if
|
|
(option.type.name == "int" || option.type.name == "positiveInt")
|
|
# return jsonschema property definition for int
|
|
then
|
|
default // example // description // { type = "integer"; }
|
|
|
|
# TODO: Add support for intMatching in jsonschema
|
|
# parse port type aka. "unsignedInt16"
|
|
else if
|
|
option.type.name == "unsignedInt16"
|
|
|| option.type.name == "unsignedInt"
|
|
|| option.type.name == "pkcs11"
|
|
|| option.type.name == "intBetween"
|
|
then
|
|
default // example // description // { type = "integer"; }
|
|
|
|
# parse string
|
|
# TODO: parse more precise string types
|
|
else if
|
|
option.type.name == "str"
|
|
|| option.type.name == "singleLineStr"
|
|
|| option.type.name == "passwdEntry str"
|
|
|| option.type.name == "passwdEntry path"
|
|
# return jsonschema property definition for string
|
|
then
|
|
default // example // description // { type = "string"; }
|
|
|
|
# TODO: Add support for stringMatching in jsonschema
|
|
# parse stringMatching
|
|
else if lib.strings.hasPrefix "strMatching" option.type.name then
|
|
default // example // description // { type = "string"; }
|
|
|
|
# TODO: Add support for separatedString in jsonschema
|
|
else if lib.strings.hasPrefix "separatedString" option.type.name then
|
|
default // example // description // { type = "string"; }
|
|
|
|
# parse string
|
|
else if
|
|
option.type.name == "path"
|
|
# return jsonschema property definition for path
|
|
then
|
|
default // example // description // { type = "string"; }
|
|
|
|
# parse anything
|
|
else if
|
|
option.type.name == "anything"
|
|
# return jsonschema property definition for anything
|
|
then
|
|
default // example // description // { type = allBasicTypes; }
|
|
|
|
# parse unspecified
|
|
else if
|
|
option.type.name == "unspecified"
|
|
# return jsonschema property definition for unspecified
|
|
then
|
|
default // example // description // { type = allBasicTypes; }
|
|
|
|
# parse raw
|
|
else if
|
|
option.type.name == "raw"
|
|
# return jsonschema property definition for raw
|
|
then
|
|
default // example // description // { type = allBasicTypes; }
|
|
|
|
# parse enum
|
|
else if
|
|
option.type.name == "enum"
|
|
# return jsonschema property definition for enum
|
|
then
|
|
default // example // description // { enum = option.type.functor.payload; }
|
|
|
|
# parse listOf submodule
|
|
else if
|
|
option.type.name == "listOf" && option.type.functor.wrapped.name == "submodule"
|
|
# return jsonschema property definition for listOf submodule
|
|
then
|
|
default
|
|
// example
|
|
// description
|
|
// {
|
|
type = "array";
|
|
items = parseOptions (option.type.functor.wrapped.getSubOptions option.loc);
|
|
}
|
|
|
|
# parse list
|
|
else if
|
|
(option.type.name == "listOf")
|
|
# return jsonschema property definition for list
|
|
then
|
|
let
|
|
nestedOption = {
|
|
type = option.type.functor.wrapped;
|
|
_type = "option";
|
|
loc = option.loc;
|
|
};
|
|
in
|
|
default
|
|
// example
|
|
// description
|
|
// {
|
|
type = "array";
|
|
}
|
|
// (lib.optionalAttrs (!isExcludedOption nestedOption) { items = parseOption nestedOption; })
|
|
|
|
# parse list of unspecified
|
|
else if
|
|
(option.type.name == "listOf") && (option.type.functor.wrapped.name == "unspecified")
|
|
# return jsonschema property definition for list
|
|
then
|
|
default // example // description // { type = "array"; }
|
|
|
|
# parse attrsOf submodule
|
|
else if
|
|
option.type.name == "attrsOf" && option.type.nestedTypes.elemType.name == "submodule"
|
|
# return jsonschema property definition for attrsOf submodule
|
|
then
|
|
default
|
|
// example
|
|
// description
|
|
// {
|
|
type = "object";
|
|
additionalProperties = parseOptions (option.type.nestedTypes.elemType.getSubOptions option.loc);
|
|
}
|
|
|
|
# parse attrs
|
|
else if
|
|
option.type.name == "attrs"
|
|
# return jsonschema property definition for attrs
|
|
then
|
|
default
|
|
// example
|
|
// description
|
|
// {
|
|
type = "object";
|
|
additionalProperties = true;
|
|
}
|
|
|
|
# parse attrsOf
|
|
# TODO: if nested option is excluded, the parent sould be excluded too
|
|
else if
|
|
option.type.name == "attrsOf" || option.type.name == "lazyAttrsOf"
|
|
# return jsonschema property definition for attrs
|
|
then
|
|
let
|
|
nestedOption = {
|
|
type = option.type.nestedTypes.elemType;
|
|
_type = "option";
|
|
loc = option.loc;
|
|
};
|
|
in
|
|
default
|
|
// example
|
|
// description
|
|
// {
|
|
type = "object";
|
|
additionalProperties =
|
|
if !isExcludedOption nestedOption then
|
|
parseOption {
|
|
type = option.type.nestedTypes.elemType;
|
|
_type = "option";
|
|
loc = option.loc;
|
|
}
|
|
else
|
|
false;
|
|
}
|
|
|
|
# parse submodule
|
|
else if
|
|
option.type.name == "submodule"
|
|
# return jsonschema property definition for submodule
|
|
# then (lib.attrNames (option.type.getSubOptions option.loc).opt)
|
|
then
|
|
parseOptions (option.type.getSubOptions option.loc)
|
|
|
|
# throw error if option type is not supported
|
|
else
|
|
notSupported option;
|
|
}
|