You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
helm/pkg/cmd/plugin_update.go

116 lines
3.0 KiB

/*
Copyright The Helm Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package cmd
import (
"errors"
"fmt"
"io"
"log/slog"
"path/filepath"
"github.com/spf13/cobra"
"helm.sh/helm/v4/internal/plugin"
"helm.sh/helm/v4/internal/plugin/installer"
)
type pluginUpdateOptions struct {
names []string
version string
}
func newPluginUpdateCmd(out io.Writer) *cobra.Command {
o := &pluginUpdateOptions{}
cmd := &cobra.Command{
Use: "update <plugin>...",
Aliases: []string{"up"},
Short: "update one or more Helm plugins",
ValidArgsFunction: func(_ *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
return compListPlugins(toComplete, args), cobra.ShellCompDirectiveNoFileComp
},
PreRunE: func(_ *cobra.Command, args []string) error {
return o.complete(args)
},
RunE: func(_ *cobra.Command, _ []string) error {
return o.run(out)
},
}
cmd.Flags().StringVar(&o.version, "version", "", "specify a version constraint. If this is not specified, the latest version is installed")
return cmd
}
func (o *pluginUpdateOptions) complete(args []string) error {
if len(args) == 0 {
return errors.New("please provide plugin name to update")
}
o.names = args
return nil
}
func (o *pluginUpdateOptions) run(out io.Writer) error {
slog.Debug("loading installed plugins", "path", settings.PluginsDirectory)
plugins, err := plugin.LoadAll(settings.PluginsDirectory)
if err != nil {
return err
}
var errorPlugins []error
for _, name := range o.names {
if found := findPlugin(plugins, name); found != nil {
if err := updatePlugin(found, o.version); err != nil {
errorPlugins = append(errorPlugins, fmt.Errorf("failed to update plugin %s, got error (%v)", name, err))
} else {
fmt.Fprintf(out, "Updated plugin: %s\n", name)
}
} else {
errorPlugins = append(errorPlugins, fmt.Errorf("plugin: %s not found", name))
}
}
if len(errorPlugins) > 0 {
return errors.Join(errorPlugins...)
}
return nil
}
func updatePlugin(p plugin.Plugin, version string) error {
exactLocation, err := filepath.EvalSymlinks(p.Dir())
if err != nil {
return err
}
absExactLocation, err := filepath.Abs(exactLocation)
if err != nil {
return err
}
i, err := installer.FindSource(absExactLocation, version)
if err != nil {
return err
}
if err := installer.Update(i); err != nil {
return err
}
slog.Debug("loading plugin", "path", i.Path())
updatedPlugin, err := plugin.LoadDir(i.Path())
if err != nil {
return err
}
return runHook(updatedPlugin, plugin.Update)
}