1/* 2Copyright 2018 The Kubernetes Authors. 3 4Licensed under the Apache License, Version 2.0 (the "License"); 5you may not use this file except in compliance with the License. 6You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10Unless required by applicable law or agreed to in writing, software 11distributed under the License is distributed on an "AS IS" BASIS, 12WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13See the License for the specific language governing permissions and 14limitations under the License. 15*/ 16 17package add 18 19import ( 20 "errors" 21 "fmt" 22 "strings" 23 24 "github.com/spf13/cobra" 25 "sigs.k8s.io/kustomize/pkg/commands/kustfile" 26 "sigs.k8s.io/kustomize/pkg/fs" 27) 28 29type addBaseOptions struct { 30 baseDirectoryPaths string 31} 32 33// newCmdAddBase adds the file path of the kustomize base to the kustomization file. 34func newCmdAddBase(fsys fs.FileSystem) *cobra.Command { 35 var o addBaseOptions 36 37 cmd := &cobra.Command{ 38 Use: "base", 39 Short: "Adds one or more bases to the kustomization.yaml in current directory", 40 Example: ` 41 add base {filepath1},{filepath2}`, 42 RunE: func(cmd *cobra.Command, args []string) error { 43 err := o.Validate(args) 44 if err != nil { 45 return err 46 } 47 err = o.Complete(cmd, args) 48 if err != nil { 49 return err 50 } 51 return o.RunAddBase(fsys) 52 }, 53 } 54 return cmd 55} 56 57// Validate validates addBase command. 58func (o *addBaseOptions) Validate(args []string) error { 59 if len(args) != 1 { 60 return errors.New("must specify a base directory") 61 } 62 o.baseDirectoryPaths = args[0] 63 return nil 64} 65 66// Complete completes addBase command. 67func (o *addBaseOptions) Complete(cmd *cobra.Command, args []string) error { 68 return nil 69} 70 71// RunAddBase runs addBase command (do real work). 72func (o *addBaseOptions) RunAddBase(fSys fs.FileSystem) error { 73 mf, err := kustfile.NewKustomizationFile(fSys) 74 if err != nil { 75 return err 76 } 77 78 m, err := mf.Read() 79 if err != nil { 80 return err 81 } 82 83 // split directory paths 84 paths := strings.Split(o.baseDirectoryPaths, ",") 85 for _, path := range paths { 86 if !fSys.Exists(path) { 87 return errors.New(path + " does not exist") 88 } 89 if kustfile.StringInSlice(path, m.Bases) { 90 return fmt.Errorf("base %s already in kustomization file", path) 91 } 92 m.Bases = append(m.Bases, path) 93 94 } 95 96 return mf.Write(m) 97} 98