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120 lines
2.9 KiB
120 lines
2.9 KiB
/*
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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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"os"
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"github.com/codegangsta/cli"
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"github.com/kubernetes/helm/pkg/client"
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"github.com/kubernetes/helm/pkg/format"
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"github.com/kubernetes/helm/pkg/version"
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)
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const desc = `Helm: the package and deployment manager for Kubernetes
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Helm is a tool for packaging, deploying, and managing Kubernetes
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applications. It has a client component (this tool) and several in-cluster
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components.
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Before you can use Helm to manage applications, you must install the
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in-cluster components into the target Kubernetes cluster:
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$ helm server install
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Once the in-cluster portion is running, you can use 'helm deploy' to
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deploy a new application:
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$ helm deploy -n NAME CHART
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For more information on Helm commands, you can use the following tools:
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$ helm help # top-level help
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$ helm CMD --help # help for a particular command or set of commands
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`
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var commands []cli.Command
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func init() {
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addCommands(cmds()...)
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}
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// debug indicates whether the process is in debug mode.
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//
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// This is set at app start-up time, based on the presence of the --debug
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// flag.
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var debug bool
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func main() {
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app := cli.NewApp()
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app.Name = "helm"
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app.Version = version.Version
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app.Usage = desc
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app.Commands = commands
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// TODO: make better
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app.Flags = []cli.Flag{
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cli.StringFlag{
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Name: "host,u",
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Usage: "The URL of the DM server",
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EnvVar: "HELM_HOST",
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Value: "https://localhost:8000/",
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},
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cli.StringFlag{
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Name: "kubectl",
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Usage: "The path to the kubectl binary",
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EnvVar: "KUBECTL",
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},
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cli.IntFlag{
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Name: "timeout",
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Usage: "Time in seconds to wait for response",
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Value: 10,
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},
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cli.BoolFlag{
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Name: "debug",
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Usage: "Enable verbose debugging output",
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},
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}
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app.Before = func(c *cli.Context) error {
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debug = c.GlobalBool("debug")
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return nil
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}
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app.Run(os.Args)
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}
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func cmds() []cli.Command {
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return []cli.Command{}
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}
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func addCommands(cmds ...cli.Command) {
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commands = append(commands, cmds...)
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}
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func run(c *cli.Context, f func(c *cli.Context) error) {
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if err := f(c); err != nil {
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format.Err(err)
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os.Exit(1)
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}
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}
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// NewClient creates a new client instance preconfigured for CLI usage.
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func NewClient(c *cli.Context) *client.Client {
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host := c.GlobalString("host")
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timeout := c.GlobalInt("timeout")
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return client.NewClient(host).SetDebug(debug).SetTimeout(timeout)
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}
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