initial version

go.mod

@@ -0,0 +1,5 @@
+module github.com/iwilltry42/k3d-go
+
+go 1.12
+
+require github.com/urfave/cli v1.20.0

go.sum

@@ -0,0 +1,2 @@
+github.com/urfave/cli v1.20.0 h1:fDqGv3UG/4jbVl/QkFwEdddtEDjh/5Ov6X+0B/3bPaw=
+github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=

main.go

@@ -0,0 +1,175 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"os/exec"
+
+	"github.com/urfave/cli"
+)
+
+func checkTools(c *cli.Context) error {
+	fmt.Println("TEST check")
+	return nil
+}
+
+func createCluster(c *cli.Context) error {
+	fmt.Println("TEST create")
+	return nil
+}
+
+func deleteCluster(c *cli.Context) error {
+	fmt.Println("TEST delete")
+	return nil
+}
+
+func stopCluster(c *cli.Context) error {
+	fmt.Println("TEST stop")
+	return nil
+}
+
+func startCluster(c *cli.Context) error {
+	fmt.Println("TEST start")
+	return nil
+}
+
+func listClusters(c *cli.Context) error {
+	fmt.Println("TEST list")
+	return nil
+}
+
+func getConfig(c *cli.Context) error {
+	fmt.Println("TEST get")
+	return nil
+}
+
+func main() {
+
+	var clusterName string
+	var serverPort int
+	var volume string
+
+	app := cli.NewApp()
+	app.Name = "k3d"
+	app.Usage = "Run k3s in Docker!"
+
+	app.Commands = []cli.Command{
+		{
+			Name:    "check-tools",
+			Aliases: []string{"ct"},
+			Usage:   "Check if docker is running",
+			Action: func(c *cli.Context) error {
+				log.Print("Checking docker...")
+				cmd := "docker"
+				args := []string{"version"}
+				if err := exec.Command(cmd, args...).Run(); err != nil {
+					log.Fatalf("Checking docker: FAILED")
+					return err
+				}
+				log.Println("Checking docker: SUCCESS")
+				return nil
+			},
+		},
+		{
+			Name:    "create",
+			Aliases: []string{"c"},
+			Usage:   "Create a single node k3s cluster in a container",
+			Flags: []cli.Flag{
+				cli.StringFlag{
+					Name:        "name, n",
+					Value:       "k3s_default",
+					Usage:       "Set a name for the cluster",
+					Destination: &clusterName,
+				},
+				cli.StringFlag{
+					Name:        "volume, v",
+					Usage:       "Mount a volume into the cluster node (Docker notation: `source:destination`",
+					Destination: &volume,
+				},
+				cli.IntFlag{
+					Name:        "port, p",
+					Value:       6443,
+					Usage:       "Set a port on which the ApiServer will listen",
+					Destination: &serverPort,
+				},
+			},
+			Action: createCluster,
+		},
+		{
+			Name:    "delete",
+			Aliases: []string{"d"},
+			Usage:   "Delete cluster",
+			Flags: []cli.Flag{
+				cli.StringFlag{
+					Name:        "name, n",
+					Value:       "k3s_default",
+					Usage:       "name of the cluster",
+					Destination: &clusterName,
+				},
+			},
+			Action: deleteCluster,
+		},
+		{
+			Name:  "stop",
+			Usage: "Stop cluster",
+			Flags: []cli.Flag{
+				cli.StringFlag{
+					Name:        "name, n",
+					Value:       "k3s_default",
+					Usage:       "name of the cluster",
+					Destination: &clusterName,
+				},
+			},
+			Action: func(c *cli.Context) error {
+				fmt.Println("Stopping cluster")
+				return nil
+			},
+		},
+		{
+			Name:  "start",
+			Usage: "Start a stopped cluster",
+			Flags: []cli.Flag{
+				cli.StringFlag{
+					Name:        "name, n",
+					Value:       "k3s_default",
+					Usage:       "name of the cluster",
+					Destination: &clusterName,
+				},
+			},
+			Action: func(c *cli.Context) error {
+				fmt.Println("Starting stopped cluster")
+				return nil
+			},
+		},
+		{
+			Name:  "list",
+			Usage: "List all clusters",
+			Action: func(c *cli.Context) error {
+				fmt.Println("Listing clusters")
+				return nil
+			},
+		},
+		{
+			Name:  "get-config",
+			Usage: "Get kubeconfig location for cluster",
+			Flags: []cli.Flag{
+				cli.StringFlag{
+					Name:        "name, n",
+					Value:       "k3s_default",
+					Usage:       "name of the cluster",
+					Destination: &clusterName,
+				},
+			},
+			Action: func(c *cli.Context) error {
+				fmt.Println("Starting stopped cluster")
+				return nil
+			},
+		},
+	}
+
+	err := app.Run(os.Args)
+	if err != nil {
+		log.Fatal(err)
+	}
+}