mirror of
https://github.com/helm/helm.git
synced 2026-02-23 10:00:21 -05:00
51b8d8a6ee
Add plugin management subcommands for installing and removing plugins to `$HELM_HOST/plugins`. Install accepts a vcs url or a local directory. ``` $ helm plugin install http://github.com/adamreese/helm-env Installed plugin: env $ helm plugin list NAME VERSION DESCRIPTION env 0.1.0 Print out the helm environment. $ helm plugin remove env Removed plugin: env ``` closes #1977
72 lines
2 KiB
Go
72 lines
2 KiB
Go
/*
|
|
Copyright 2016 The Kubernetes Authors All rights reserved.
|
|
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 installer
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"os"
|
|
"path/filepath"
|
|
|
|
"k8s.io/helm/pkg/helm/helmpath"
|
|
)
|
|
|
|
// ErrMissingMetadata indicates that plugin.yaml is missing.
|
|
var ErrMissingMetadata = errors.New("plugin metadata (plugin.yaml) missing")
|
|
|
|
// Debug enables verbose output.
|
|
var Debug bool
|
|
|
|
// Installer provides an interface for installing helm client plugins.
|
|
type Installer interface {
|
|
// Install adds a plugin to $HELM_HOME.
|
|
Install() error
|
|
// Path is the directory of the installed plugin.
|
|
Path() string
|
|
}
|
|
|
|
// Install installs a plugin to $HELM_HOME.
|
|
func Install(i Installer) error {
|
|
return i.Install()
|
|
}
|
|
|
|
// NewForSource determines the correct Installer for the given source.
|
|
func NewForSource(source, version string, home helmpath.Home) (Installer, error) {
|
|
// Check if source is a local directory
|
|
if isLocalReference(source) {
|
|
return NewLocalInstaller(source, home)
|
|
}
|
|
return NewVCSInstaller(source, version, home)
|
|
}
|
|
|
|
// isLocalReference checks if the source exists on the filesystem.
|
|
func isLocalReference(source string) bool {
|
|
_, err := os.Stat(source)
|
|
return err == nil
|
|
}
|
|
|
|
// isPlugin checks if the directory contains a plugin.yaml file.
|
|
func isPlugin(dirname string) bool {
|
|
_, err := os.Stat(filepath.Join(dirname, "plugin.yaml"))
|
|
return err == nil
|
|
}
|
|
|
|
func debug(format string, args ...interface{}) {
|
|
if Debug {
|
|
format = fmt.Sprintf("[debug] %s\n", format)
|
|
fmt.Printf(format, args...)
|
|
}
|
|
}
|