github.com/stefanmcshane/helm@v0.0.0-20221213002717-88a4a2c6e77d/cmd/helm/plugin_uninstall.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  	"github.com/stefanmcshane/helm/pkg/plugin"
    28  )
    29  
    30  type pluginUninstallOptions struct {
    31  	names []string
    32  }
    33  
    34  func newPluginUninstallCmd(out io.Writer) *cobra.Command {
    35  	o := &pluginUninstallOptions{}
    36  
    37  	cmd := &cobra.Command{
    38  		Use:     "uninstall <plugin>...",
    39  		Aliases: []string{"rm", "remove"},
    40  		Short:   "uninstall one or more Helm plugins",
    41  		ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
    42  			return compListPlugins(toComplete, args), cobra.ShellCompDirectiveNoFileComp
    43  		},
    44  		PreRunE: func(cmd *cobra.Command, args []string) error {
    45  			return o.complete(args)
    46  		},
    47  		RunE: func(cmd *cobra.Command, args []string) error {
    48  			return o.run(out)
    49  		},
    50  	}
    51  	return cmd
    52  }
    53  
    54  func (o *pluginUninstallOptions) complete(args []string) error {
    55  	if len(args) == 0 {
    56  		return errors.New("please provide plugin name to uninstall")
    57  	}
    58  	o.names = args
    59  	return nil
    60  }
    61  
    62  func (o *pluginUninstallOptions) run(out io.Writer) error {
    63  	debug("loading installed plugins from %s", settings.PluginsDirectory)
    64  	plugins, err := plugin.FindPlugins(settings.PluginsDirectory)
    65  	if err != nil {
    66  		return err
    67  	}
    68  	var errorPlugins []string
    69  	for _, name := range o.names {
    70  		if found := findPlugin(plugins, name); found != nil {
    71  			if err := uninstallPlugin(found); err != nil {
    72  				errorPlugins = append(errorPlugins, fmt.Sprintf("Failed to uninstall plugin %s, got error (%v)", name, err))
    73  			} else {
    74  				fmt.Fprintf(out, "Uninstalled plugin: %s\n", name)
    75  			}
    76  		} else {
    77  			errorPlugins = append(errorPlugins, fmt.Sprintf("Plugin: %s not found", name))
    78  		}
    79  	}
    80  	if len(errorPlugins) > 0 {
    81  		return errors.Errorf(strings.Join(errorPlugins, "\n"))
    82  	}
    83  	return nil
    84  }
    85  
    86  func uninstallPlugin(p *plugin.Plugin) error {
    87  	if err := os.RemoveAll(p.Dir); err != nil {
    88  		return err
    89  	}
    90  	return runHook(p, plugin.Delete)
    91  }
    92  
    93  func findPlugin(plugins []*plugin.Plugin, name string) *plugin.Plugin {
    94  	for _, p := range plugins {
    95  		if p.Metadata.Name == name {
    96  			return p
    97  		}
    98  	}
    99  	return nil
   100  }