mirror of https://github.com/knative/caching.git
101 lines
3.8 KiB
Go
101 lines
3.8 KiB
Go
/*
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Copyright 2019 The Knative 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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"errors"
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"path/filepath"
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"k8s.io/gengo/v2"
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"k8s.io/klog/v2"
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"github.com/spf13/pflag"
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)
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// Args is used by the gengo framework to pass args specific to this generator.
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type Args struct {
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InputDirs []string
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OutputPackagePath string
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OutputDir string
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GoHeaderFilePath string
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VersionedClientSetPackage string
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ExternalVersionsInformersPackage string
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ListersPackage string
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ForceKinds string
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ListerHasPointerElem bool
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DisableInformerInit bool
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// PluralExceptions define a list of pluralizer exceptions in Type:PluralType format.
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// The default list is "Endpoints:Endpoints"
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PluralExceptions []string
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Boilerplate []byte
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}
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func New() *Args {
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return &Args{}
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}
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// AddFlags add the generator flags to the flag set.
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func (a *Args) AddFlags(fs *pflag.FlagSet) {
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fs.StringSliceVarP(&a.InputDirs, "input-dirs", "i", a.InputDirs, "Comma-separated list of import paths to get input types from.")
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fs.StringVarP(&a.OutputPackagePath, "output-package", "p", a.OutputPackagePath, "Base package path.")
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fs.StringVarP(&a.OutputDir, "output-dir", "o", a.OutputDir, "Output directory.")
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fs.StringVarP(&a.GoHeaderFilePath, "go-header-file", "h", a.GoHeaderFilePath, "File containing boilerplate header text. The string YEAR will be replaced with the current 4-digit year.")
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fs.StringVar(&a.VersionedClientSetPackage, "versioned-clientset-package", a.VersionedClientSetPackage, "the full package name for the versioned injection clientset to use")
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fs.StringVar(&a.ExternalVersionsInformersPackage, "external-versions-informers-package", a.ExternalVersionsInformersPackage, "the full package name for the external versions injection informer to use")
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fs.StringVar(&a.ListersPackage, "listers-package", a.ListersPackage, "the full package name for client listers to use")
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fs.StringVar(&a.ForceKinds, "force-genreconciler-kinds", a.ForceKinds, `force kinds will override the genreconciler tag setting for the given set of kinds, comma separated: "Foo,Bar,Baz"`)
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fs.BoolVar(&a.ListerHasPointerElem, "lister-has-pointer-elem", false, "")
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fs.MarkDeprecated("lister-has-pointer-elem", "this flag has no effect")
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fs.BoolVar(&a.DisableInformerInit, "disable-informer-init", false, "disable generating the init function for the informer")
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fs.StringSliceVar(&a.PluralExceptions, "plural-exceptions", a.PluralExceptions,
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"list of comma separated plural exception definitions in Type:PluralizedType format")
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}
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// Validate checks the given arguments.
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func (a *Args) Validate() error {
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var err error
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a.Boilerplate, err = gengo.GoBoilerplate(a.GoHeaderFilePath, "", gengo.StdGeneratedBy)
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if err != nil {
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klog.Fatalf("Failed loading boilerplate: %v", err)
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}
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if len(a.OutputPackagePath) == 0 {
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return errors.New("output package cannot be empty")
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}
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if len(a.VersionedClientSetPackage) == 0 {
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return errors.New("versioned clientset package cannot be empty")
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}
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if len(a.ExternalVersionsInformersPackage) == 0 {
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return errors.New("external versions informers package cannot be empty")
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}
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return nil
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}
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func (a *Args) GetOutputDir() string {
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return filepath.Clean(a.OutputDir)
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}
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func (a *Args) GetOutputPackagePath() string {
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return filepath.Clean(a.OutputPackagePath)
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}
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