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113 lines
2.7 KiB
113 lines
2.7 KiB
/*
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Copyright The Helm 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 main
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import (
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"fmt"
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"io"
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"path/filepath"
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"strings"
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"github.com/pkg/errors"
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"github.com/spf13/cobra"
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"k8s.io/helm/pkg/helmpath"
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"k8s.io/helm/pkg/plugin"
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"k8s.io/helm/pkg/plugin/installer"
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)
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type pluginUpdateOptions struct {
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names []string
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home helmpath.Home
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}
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func newPluginUpdateCmd(out io.Writer) *cobra.Command {
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o := &pluginUpdateOptions{}
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cmd := &cobra.Command{
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Use: "update <plugin>...",
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Short: "update one or more Helm plugins",
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PreRunE: func(cmd *cobra.Command, args []string) error {
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return o.complete(args)
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},
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RunE: func(cmd *cobra.Command, args []string) error {
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return o.run(out)
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},
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}
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return cmd
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}
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func (o *pluginUpdateOptions) complete(args []string) error {
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if len(args) == 0 {
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return errors.New("please provide plugin name to update")
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}
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o.names = args
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o.home = settings.Home
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return nil
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}
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func (o *pluginUpdateOptions) run(out io.Writer) error {
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installer.Debug = settings.Debug
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debug("loading installed plugins from %s", settings.PluginDirs())
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plugins, err := findPlugins(settings.PluginDirs())
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if err != nil {
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return err
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}
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var errorPlugins []string
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for _, name := range o.names {
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if found := findPlugin(plugins, name); found != nil {
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if err := updatePlugin(found, o.home); err != nil {
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errorPlugins = append(errorPlugins, fmt.Sprintf("Failed to update plugin %s, got error (%v)", name, err))
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} else {
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fmt.Fprintf(out, "Updated plugin: %s\n", name)
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}
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} else {
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errorPlugins = append(errorPlugins, fmt.Sprintf("Plugin: %s not found", name))
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}
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}
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if len(errorPlugins) > 0 {
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return errors.Errorf(strings.Join(errorPlugins, "\n"))
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}
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return nil
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}
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func updatePlugin(p *plugin.Plugin, home helmpath.Home) error {
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exactLocation, err := filepath.EvalSymlinks(p.Dir)
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if err != nil {
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return err
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}
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absExactLocation, err := filepath.Abs(exactLocation)
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if err != nil {
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return err
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}
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i, err := installer.FindSource(absExactLocation, home)
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if err != nil {
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return err
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}
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if err := installer.Update(i); err != nil {
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return err
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}
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debug("loading plugin from %s", i.Path())
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updatedPlugin, err := plugin.LoadDir(i.Path())
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if err != nil {
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return err
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}
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return runHook(updatedPlugin, plugin.Update)
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}
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