82 lines
3.2 KiB
Go
82 lines
3.2 KiB
Go
/*
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Copyright 2021 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package args
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import (
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"fmt"
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"path"
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"github.com/spf13/pflag"
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"k8s.io/gengo/args"
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"k8s.io/gengo/types"
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codegenutil "k8s.io/code-generator/pkg/util"
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)
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// CustomArgs is a wrapper for arguments to applyconfiguration-gen.
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type CustomArgs struct {
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// ExternalApplyConfigurations provides the locations of externally generated
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// apply configuration types for types referenced by the go structs provided as input.
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// Locations are provided as a comma separated list of <package>.<typeName>:<applyconfiguration-package>
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// entries.
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//
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// E.g. if a type references appsv1.Deployment, the location of its apply configuration should
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// be provided:
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// k8s.io/api/apps/v1.Deployment:k8s.io/client-go/applyconfigurations/apps/v1
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//
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// meta/v1 types (TypeMeta and ObjectMeta) are always included and do not need to be passed in.
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ExternalApplyConfigurations map[types.Name]string
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OpenAPISchemaFilePath string
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}
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// NewDefaults returns default arguments for the generator.
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func NewDefaults() (*args.GeneratorArgs, *CustomArgs) {
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genericArgs := args.Default().WithoutDefaultFlagParsing()
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customArgs := &CustomArgs{
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ExternalApplyConfigurations: map[types.Name]string{
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// Always include TypeMeta and ObjectMeta. They are sufficient for the vast majority of use cases.
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{Package: "k8s.io/apimachinery/pkg/apis/meta/v1", Name: "TypeMeta"}: "k8s.io/client-go/applyconfigurations/meta/v1",
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{Package: "k8s.io/apimachinery/pkg/apis/meta/v1", Name: "ObjectMeta"}: "k8s.io/client-go/applyconfigurations/meta/v1",
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{Package: "k8s.io/apimachinery/pkg/apis/meta/v1", Name: "OwnerReference"}: "k8s.io/client-go/applyconfigurations/meta/v1",
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},
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}
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genericArgs.CustomArgs = customArgs
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if pkg := codegenutil.CurrentPackage(); len(pkg) != 0 {
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genericArgs.OutputPackagePath = path.Join(pkg, "pkg/client/applyconfigurations")
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}
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return genericArgs, customArgs
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}
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func (ca *CustomArgs) AddFlags(fs *pflag.FlagSet, inputBase string) {
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pflag.Var(NewExternalApplyConfigurationValue(&ca.ExternalApplyConfigurations, nil), "external-applyconfigurations",
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"list of comma separated external apply configurations locations in <type-package>.<type-name>:<applyconfiguration-package> form."+
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"For example: k8s.io/api/apps/v1.Deployment:k8s.io/client-go/applyconfigurations/apps/v1")
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pflag.StringVar(&ca.OpenAPISchemaFilePath, "openapi-schema", "",
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"path to the openapi schema containing all the types that apply configurations will be generated for")
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}
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// Validate checks the given arguments.
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func Validate(genericArgs *args.GeneratorArgs) error {
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if len(genericArgs.OutputPackagePath) == 0 {
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return fmt.Errorf("output package cannot be empty")
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}
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return nil
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}
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