mirror of
https://github.com/kubernetes-sigs/descheduler.git
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89 lines
4.0 KiB
Go
Vendored
89 lines
4.0 KiB
Go
Vendored
/*
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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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"github.com/spf13/pflag"
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"k8s.io/gengo/v2/types"
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)
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// Args is a wrapper for arguments to applyconfiguration-gen.
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type Args struct {
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OutputDir string // must be a directory path
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OutputPkg string // must be a Go import-path
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GoHeaderFile string
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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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// New returns default arguments for the generator.
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func New() *Args {
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return &Args{
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ExternalApplyConfigurations: map[types.Name]string{
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// Always include the applyconfigurations we've generated in client-go. They are sufficient for the vast majority of use cases.
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{Package: "k8s.io/apimachinery/pkg/apis/meta/v1", Name: "Condition"}: "k8s.io/client-go/applyconfigurations/meta/v1",
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{Package: "k8s.io/apimachinery/pkg/apis/meta/v1", Name: "DeleteOptions"}: "k8s.io/client-go/applyconfigurations/meta/v1",
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{Package: "k8s.io/apimachinery/pkg/apis/meta/v1", Name: "LabelSelector"}: "k8s.io/client-go/applyconfigurations/meta/v1",
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{Package: "k8s.io/apimachinery/pkg/apis/meta/v1", Name: "LabelSelectorRequirement"}: "k8s.io/client-go/applyconfigurations/meta/v1",
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{Package: "k8s.io/apimachinery/pkg/apis/meta/v1", Name: "ManagedFieldsEntry"}: "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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{Package: "k8s.io/apimachinery/pkg/apis/meta/v1", Name: "TypeMeta"}: "k8s.io/client-go/applyconfigurations/meta/v1",
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},
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}
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}
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func (args *Args) AddFlags(fs *pflag.FlagSet, inputBase string) {
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fs.StringVar(&args.OutputDir, "output-dir", "",
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"the base directory under which to generate results")
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fs.StringVar(&args.OutputPkg, "output-pkg", args.OutputPkg,
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"the Go import-path of the generated results")
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fs.StringVar(&args.GoHeaderFile, "go-header-file", "",
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"the path to a file containing boilerplate header text; the string \"YEAR\" will be replaced with the current 4-digit year")
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fs.Var(NewExternalApplyConfigurationValue(&args.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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fs.StringVar(&args.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 (args *Args) Validate() error {
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if len(args.OutputDir) == 0 {
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return fmt.Errorf("--output-dir must be specified")
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}
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if len(args.OutputPkg) == 0 {
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return fmt.Errorf("--output-pkg must be specified")
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}
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return nil
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}
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