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package main
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import (
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"log"
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"os"
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run "github.com/rancher/k3d/cli"
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"github.com/rancher/k3d/version"
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"github.com/urfave/cli"
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)
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// main represents the CLI application
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func main() {
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// App Details
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app := cli.NewApp()
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app.Name = "k3d"
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app.Usage = "Run k3s in Docker!"
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app.Version = version.GetVersion()
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app.Authors = []cli.Author{
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cli.Author{
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Name: "Thorsten Klein",
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Email: "iwilltry42@gmail.com",
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},
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cli.Author{
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Name: "Rishabh Gupta",
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Email: "r.g.gupta@outlook.com",
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},
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cli.Author{
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Name: "Darren Shepherd",
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},
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}
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// commands that you can execute
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app.Commands = []cli.Command{
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{
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// check-tools verifies that docker is up and running
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Name: "check-tools",
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Aliases: []string{"ct"},
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Usage: "Check if docker is running",
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Action: run.CheckTools,
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},
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{
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// create creates a new k3s cluster in docker containers
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Name: "create",
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Aliases: []string{"c"},
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Usage: "Create a single- or multi-node k3s cluster in docker containers",
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Flags: []cli.Flag{
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cli.StringFlag{
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Name: "name, n",
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Value: "k3s_default",
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Usage: "Set a name for the cluster",
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},
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cli.StringFlag{
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Name: "volume, v",
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Usage: "Mount one or more volumes into every node of the cluster (Docker notation: `source:destination[,source:destination]`)",
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},
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cli.StringFlag{
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Name: "version",
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Value: version.GetK3sVersion(),
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Usage: "Choose the k3s image version",
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},
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cli.IntFlag{
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Name: "port, p",
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Value: 6443,
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Usage: "Map the Kubernetes ApiServer port to a local port",
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},
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cli.IntFlag{
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Name: "timeout, t",
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Value: 0,
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Usage: "Set the timeout value when --wait flag is set",
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},
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cli.BoolFlag{
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Name: "wait, w",
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Usage: "Wait for the cluster to come up before returning",
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},
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cli.StringSliceFlag{
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Name: "server-arg, x",
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Usage: "Pass an additional argument to k3s server (new flag per argument)",
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},
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cli.StringSliceFlag{
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Name: "env, e",
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Usage: "Pass an additional environment variable (new flag per variable)",
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},
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cli.IntFlag{
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Name: "workers",
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Value: 0,
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Usage: "Specify how many worker nodes you want to spawn",
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},
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},
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Action: run.CreateCluster,
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},
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{
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// delete deletes an existing k3s cluster (remove container and cluster directory)
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Name: "delete",
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Aliases: []string{"d", "del"},
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Usage: "Delete cluster",
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Flags: []cli.Flag{
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cli.StringFlag{
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Name: "name, n",
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Value: "k3s_default",
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Usage: "name of the cluster",
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},
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cli.BoolFlag{
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Name: "all, a",
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Usage: "Delete all existing clusters (this ignores the --name/-n flag)",
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},
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},
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Action: run.DeleteCluster,
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},
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{
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// stop stopy a running cluster (its container) so it's restartable
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Name: "stop",
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Usage: "Stop cluster",
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Flags: []cli.Flag{
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cli.StringFlag{
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Name: "name, n",
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Value: "k3s_default",
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Usage: "Name of the cluster",
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},
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cli.BoolFlag{
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Name: "all, a",
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Usage: "Stop all running clusters (this ignores the --name/-n flag)",
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},
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},
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Action: run.StopCluster,
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},
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{
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// start restarts a stopped cluster container
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Name: "start",
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Usage: "Start a stopped cluster",
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Flags: []cli.Flag{
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cli.StringFlag{
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Name: "name, n",
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Value: "k3s_default",
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Usage: "Name of the cluster",
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},
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cli.BoolFlag{
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Name: "all, a",
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Usage: "Start all stopped clusters (this ignores the --name/-n flag)",
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},
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},
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Action: run.StartCluster,
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},
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{
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// list prints a list of created clusters
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Name: "list",
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Aliases: []string{"ls", "l"},
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Usage: "List all clusters",
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Flags: []cli.Flag{
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cli.BoolFlag{
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Name: "all, a",
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Usage: "Also show non-running clusters",
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},
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},
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Action: run.ListClusters,
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},
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{
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// get-kubeconfig grabs the kubeconfig from the cluster and prints the path to it
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Name: "get-kubeconfig",
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Usage: "Get kubeconfig location for cluster",
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Flags: []cli.Flag{
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cli.StringFlag{
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Name: "name, n",
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Value: "k3s_default",
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Usage: "Name of the cluster",
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},
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cli.BoolFlag{
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Name: "all, a",
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Usage: "Get kubeconfig for all clusters (this ignores the --name/-n flag)",
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},
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},
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Action: run.GetKubeConfig,
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},
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}
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// Global flags
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app.Flags = []cli.Flag{
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cli.BoolFlag{
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Name: "verbose",
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Usage: "Enable verbose output",
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},
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}
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// run the whole thing
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err := app.Run(os.Args)
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if err != nil {
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log.Fatal(err)
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}
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}
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