mirror of
https://github.com/kubernetes-sigs/kustomize.git
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86 lines
2.5 KiB
Go
86 lines
2.5 KiB
Go
// Copyright 2019 The Kubernetes Authors.
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// SPDX-License-Identifier: Apache-2.0
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package commands
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import (
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"fmt"
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"github.com/go-openapi/spec"
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"github.com/spf13/cobra"
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"sigs.k8s.io/kustomize/cmd/config/ext"
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"sigs.k8s.io/kustomize/kyaml/errors"
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"sigs.k8s.io/kustomize/kyaml/fieldmeta"
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"sigs.k8s.io/kustomize/kyaml/openapi"
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"sigs.k8s.io/kustomize/kyaml/setters2/settersutil"
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)
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// NewCreateSubstitutionRunner returns a command runner.
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func NewCreateSubstitutionRunner(parent string) *CreateSubstitutionRunner {
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r := &CreateSubstitutionRunner{}
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cs := &cobra.Command{
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Use: "create-subst DIR NAME",
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Args: cobra.ExactArgs(2),
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PreRunE: r.preRunE,
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RunE: r.runE,
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}
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cs.Flags().StringVar(&r.CreateSubstitution.FieldName, "field", "",
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"name of the field to set -- e.g. --field image")
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cs.Flags().StringVar(&r.CreateSubstitution.FieldValue, "field-value", "",
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"value of the field to create substitution for -- e.g. --field-value nginx:0.1.0")
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cs.Flags().StringVar(&r.CreateSubstitution.Pattern, "pattern", "",
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`substitution pattern -- e.g. --pattern \${my-image-setter}:\${my-tag-setter}`)
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_ = cs.MarkFlagRequired("pattern")
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_ = cs.MarkFlagRequired("field-value")
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fixDocs(parent, cs)
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r.Command = cs
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return r
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}
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func CreateSubstitutionCommand(parent string) *cobra.Command {
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return NewCreateSubstitutionRunner(parent).Command
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}
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type CreateSubstitutionRunner struct {
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Command *cobra.Command
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CreateSubstitution settersutil.SubstitutionCreator
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OpenAPIFile string
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Values []string
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}
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func (r *CreateSubstitutionRunner) runE(c *cobra.Command, args []string) error {
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return handleError(c, r.CreateSubstitution.Create(r.OpenAPIFile, args[0]))
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}
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func (r *CreateSubstitutionRunner) preRunE(c *cobra.Command, args []string) error {
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var err error
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r.CreateSubstitution.Name = args[1]
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if err != nil {
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return err
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}
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r.OpenAPIFile, err = ext.GetOpenAPIFile(args)
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if err != nil {
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return err
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}
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if err := openapi.AddSchemaFromFile(r.OpenAPIFile); err != nil {
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return err
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}
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// check if setter with same name exists and throw error
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ref, err := spec.NewRef(fieldmeta.DefinitionsPrefix + fieldmeta.SetterDefinitionPrefix + r.CreateSubstitution.Name)
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if err != nil {
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return err
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}
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setter, _ := openapi.Resolve(&ref)
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// if setter already exists with input substitution name, throw error
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if setter != nil {
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return errors.Errorf(fmt.Sprintf("setter with name %s already exists, "+
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"substitution and setter can't have same name", r.CreateSubstitution.Name))
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}
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return nil
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}
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