mirror of
https://github.com/helm/helm.git
synced 2026-03-22 10:30:02 -04:00
b4ca198cc6
It is now possible to create plugins with chart download capabilities for custom, non-http protocols. Furthermore it is possible to reuse helm packages to implement alternative clients with these custom downloader functions.
72 lines
1.8 KiB
Go
72 lines
1.8 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors All rights reserved.
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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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"os"
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"os/exec"
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"k8s.io/helm/pkg/helm/helmpath"
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"k8s.io/helm/pkg/plugin"
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"github.com/spf13/cobra"
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)
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const pluginHelp = `
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Manage client-side Helm plugins.
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`
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func newPluginCmd(out io.Writer) *cobra.Command {
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cmd := &cobra.Command{
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Use: "plugin",
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Short: "add, list, or remove Helm plugins",
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Long: pluginHelp,
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}
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cmd.AddCommand(
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newPluginInstallCmd(out),
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newPluginListCmd(out),
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newPluginRemoveCmd(out),
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)
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return cmd
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}
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// runHook will execute a plugin hook.
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func runHook(p *plugin.Plugin, event string, home helmpath.Home) error {
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hook := p.Metadata.Hooks.Get(event)
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if hook == "" {
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return nil
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}
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prog := exec.Command("sh", "-c", hook)
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// TODO make this work on windows
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// I think its ... ¯\_(ツ)_/¯
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// prog := exec.Command("cmd", "/C", p.Metadata.Hooks.Install())
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debug("running %s hook: %s", event, prog)
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plugin.SetupPluginEnv(settings, p.Metadata.Name, p.Dir)
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prog.Stdout, prog.Stderr = os.Stdout, os.Stderr
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if err := prog.Run(); err != nil {
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if eerr, ok := err.(*exec.ExitError); ok {
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os.Stderr.Write(eerr.Stderr)
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return fmt.Errorf("plugin %s hook for %q exited with error", event, p.Metadata.Name)
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}
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return err
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}
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return nil
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}
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