kubernetes args 源码
kubernetes args 代码
文件路径：/staging/src/k8s.io/code-generator/cmd/lister-gen/args/args.go
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package args
import (
"fmt"
"path"
"github.com/spf13/pflag"
codegenutil "k8s.io/code-generator/pkg/util"
"k8s.io/gengo/args"
)
// CustomArgs is used by the gengo framework to pass args specific to this generator.
type CustomArgs struct {
// PluralExceptions specify list of exceptions used when pluralizing certain types.
// For example 'Endpoints:Endpoints', otherwise the pluralizer will generate 'Endpointes'.
PluralExceptions []string
}
// NewDefaults returns default arguments for the generator.
func NewDefaults() (*args.GeneratorArgs, *CustomArgs) {
genericArgs := args.Default().WithoutDefaultFlagParsing()
customArgs := &CustomArgs{
PluralExceptions: []string{"Endpoints:Endpoints"},
}
genericArgs.CustomArgs = customArgs
if pkg := codegenutil.CurrentPackage(); len(pkg) != 0 {
genericArgs.OutputPackagePath = path.Join(pkg, "pkg/client/listers")
}
return genericArgs, customArgs
}
// AddFlags add the generator flags to the flag set.
func (ca *CustomArgs) AddFlags(fs *pflag.FlagSet) {
fs.StringSliceVar(&ca.PluralExceptions, "plural-exceptions", ca.PluralExceptions, "list of comma separated plural exception definitions in Type:PluralizedType format")
}
// Validate checks the given arguments.
func Validate(genericArgs *args.GeneratorArgs) error {
_ = genericArgs.CustomArgs.(*CustomArgs)
if len(genericArgs.OutputPackagePath) == 0 {
return fmt.Errorf("output package cannot be empty")
}
return nil
}
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