78 lines
2.8 KiB
Go
78 lines
2.8 KiB
Go
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/*
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Copyright 2017 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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codegenutil "k8s.io/code-generator/pkg/util"
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"k8s.io/gengo/args"
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)
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// CustomArgs is used by the gengo framework to pass args specific to this generator.
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type CustomArgs struct {
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VersionedClientSetPackage string
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InternalClientSetPackage string
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ListersPackage string
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SingleDirectory bool
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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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SingleDirectory: false,
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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/informers")
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customArgs.VersionedClientSetPackage = path.Join(pkg, "pkg/client/clientset/versioned")
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customArgs.InternalClientSetPackage = path.Join(pkg, "pkg/client/clientset/internalversion")
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customArgs.ListersPackage = path.Join(pkg, "pkg/client/listers")
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}
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return genericArgs, customArgs
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}
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// AddFlags add the generator flags to the flag set.
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func (ca *CustomArgs) AddFlags(fs *pflag.FlagSet) {
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fs.StringVar(&ca.InternalClientSetPackage, "internal-clientset-package", ca.InternalClientSetPackage, "the full package name for the internal clientset to use")
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fs.StringVar(&ca.VersionedClientSetPackage, "versioned-clientset-package", ca.VersionedClientSetPackage, "the full package name for the versioned clientset to use")
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fs.StringVar(&ca.ListersPackage, "listers-package", ca.ListersPackage, "the full package name for the listers to use")
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fs.BoolVar(&ca.SingleDirectory, "single-directory", ca.SingleDirectory, "if true, omit the intermediate \"internalversion\" and \"externalversions\" subdirectories")
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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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customArgs := genericArgs.CustomArgs.(*CustomArgs)
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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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if len(customArgs.VersionedClientSetPackage) == 0 {
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return fmt.Errorf("versioned clientset package cannot be empty")
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}
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if len(customArgs.ListersPackage) == 0 {
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return fmt.Errorf("listers package cannot be empty")
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}
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return nil
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}
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