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95 lines
2.5 KiB
95 lines
2.5 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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"github.com/pkg/errors"
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"github.com/spf13/cobra"
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"helm.sh/helm/v3/cmd/helm/require"
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"helm.sh/helm/v3/pkg/plugin"
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"helm.sh/helm/v3/pkg/plugin/installer"
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)
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type pluginInstallOptions struct {
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source string
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version string
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}
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const pluginInstallDesc = `
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This command allows you to install a plugin from a url to a VCS repo or a local path.
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`
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func newPluginInstallCmd(out io.Writer) *cobra.Command {
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o := &pluginInstallOptions{}
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cmd := &cobra.Command{
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Use: "install [options] <path|url>...",
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Short: "install one or more Helm plugins",
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Long: pluginInstallDesc,
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Aliases: []string{"add"},
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Args: require.ExactArgs(1),
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ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
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if len(args) == 0 {
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// We do file completion, in case the plugin is local
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return nil, cobra.ShellCompDirectiveDefault
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}
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// No more completion once the plugin path has been specified
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return nil, cobra.ShellCompDirectiveNoFileComp
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},
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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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cmd.Flags().StringVar(&o.version, "version", "", "specify a version constraint. If this is not specified, the latest version is installed")
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return cmd
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}
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func (o *pluginInstallOptions) complete(args []string) error {
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o.source = args[0]
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return nil
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}
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func (o *pluginInstallOptions) run(out io.Writer) error {
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installer.Debug = settings.Debug
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i, err := installer.NewForSource(o.source, o.version)
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if err != nil {
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return err
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}
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if err := installer.Install(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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p, err := plugin.LoadDir(i.Path())
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if err != nil {
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return errors.Wrap(err, "plugin is installed but unusable")
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}
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if err := runHook(p, plugin.Install); err != nil {
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return err
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}
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fmt.Fprintf(out, "Installed plugin: %s\n", p.Metadata.Name)
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return nil
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}
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