github.com/keleustes/helm@v3.0.0-beta.3+incompatible/cmd/helm/plugin_remove.go (about) 1 /* 2 Copyright The Helm Authors. 3 Licensed under the Apache License, Version 2.0 (the "License"); 4 you may not use this file except in compliance with the License. 5 You may obtain a copy of the License at 6 7 http://www.apache.org/licenses/LICENSE-2.0 8 9 Unless required by applicable law or agreed to in writing, software 10 distributed under the License is distributed on an "AS IS" BASIS, 11 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 See the License for the specific language governing permissions and 13 limitations under the License. 14 */ 15 16 package main 17 18 import ( 19 "fmt" 20 "io" 21 "os" 22 "strings" 23 24 "github.com/pkg/errors" 25 "github.com/spf13/cobra" 26 27 "helm.sh/helm/pkg/plugin" 28 ) 29 30 type pluginRemoveOptions struct { 31 names []string 32 } 33 34 func newPluginRemoveCmd(out io.Writer) *cobra.Command { 35 o := &pluginRemoveOptions{} 36 cmd := &cobra.Command{ 37 Use: "remove <plugin>...", 38 Short: "remove one or more Helm plugins", 39 PreRunE: func(cmd *cobra.Command, args []string) error { 40 return o.complete(args) 41 }, 42 RunE: func(cmd *cobra.Command, args []string) error { 43 return o.run(out) 44 }, 45 } 46 return cmd 47 } 48 49 func (o *pluginRemoveOptions) complete(args []string) error { 50 if len(args) == 0 { 51 return errors.New("please provide plugin name to remove") 52 } 53 o.names = args 54 return nil 55 } 56 57 func (o *pluginRemoveOptions) run(out io.Writer) error { 58 debug("loading installed plugins from %s", settings.PluginsDirectory) 59 plugins, err := findPlugins(settings.PluginsDirectory) 60 if err != nil { 61 return err 62 } 63 var errorPlugins []string 64 for _, name := range o.names { 65 if found := findPlugin(plugins, name); found != nil { 66 if err := removePlugin(found); err != nil { 67 errorPlugins = append(errorPlugins, fmt.Sprintf("Failed to remove plugin %s, got error (%v)", name, err)) 68 } else { 69 fmt.Fprintf(out, "Removed plugin: %s\n", name) 70 } 71 } else { 72 errorPlugins = append(errorPlugins, fmt.Sprintf("Plugin: %s not found", name)) 73 } 74 } 75 if len(errorPlugins) > 0 { 76 return errors.Errorf(strings.Join(errorPlugins, "\n")) 77 } 78 return nil 79 } 80 81 func removePlugin(p *plugin.Plugin) error { 82 if err := os.RemoveAll(p.Dir); err != nil { 83 return err 84 } 85 return runHook(p, plugin.Delete) 86 } 87 88 func findPlugin(plugins []*plugin.Plugin, name string) *plugin.Plugin { 89 for _, p := range plugins { 90 if p.Metadata.Name == name { 91 return p 92 } 93 } 94 return nil 95 }