feat(cmd/sleep/random_verbose): Add slu sleep random-verbose mainly…

… for my Kubernetes training

cmd/cmd.go

@@ -199,6 +199,7 @@ import (
 	_ "github.com/sikalabs/slu/cmd/sleep"
 	_ "github.com/sikalabs/slu/cmd/sleep/forever"
 	_ "github.com/sikalabs/slu/cmd/sleep/random"
+	_ "github.com/sikalabs/slu/cmd/sleep/random_verbose"
 	_ "github.com/sikalabs/slu/cmd/sqlite"
 	_ "github.com/sikalabs/slu/cmd/sqlite/read"
 	_ "github.com/sikalabs/slu/cmd/ssh"

cmd/install_bin/tools.go

@@ -310,6 +310,12 @@ var Tools = []Tool{
 		UrlTemplate:    "https://github.com/hadolint/hadolint/releases/download/{{.Version}}/hadolint-{{.Os|capitalize}}-{{.Arch}}",
 		GetArchFunc:    hadolintGetArchFunc,
 	},
+	{
+		Name:           "kubelogin",
+		GetVersionFunc: func() string { return github_utils.GetLatestRelease("hadolint", "hadolint") },
+		UrlTemplate:    "https://github.com/hadolint/hadolint/releases/download/{{.Version}}/hadolint-{{.Os|capitalize}}-{{.Arch}}",
+		GetArchFunc:    hadolintGetArchFunc,
+	},
 }
 
 func hashicorpUrlTemplate(name string) string {

cmd/sleep/random_verbose/random_verbose.go

@@ -0,0 +1,47 @@
+package random_verbose
+
+import (
+	"fmt"
+	"math/rand"
+	"time"
+
+	sleep_cmd "github.com/sikalabs/slu/cmd/sleep"
+	"github.com/spf13/cobra"
+)
+
+var FlagMinTime int
+var FlagMaxTime int
+
+var Cmd = &cobra.Command{
+	Use:   "random-verbose",
+	Short: "Sleep random time with verbose output",
+	Args:  cobra.NoArgs,
+	Run: func(c *cobra.Command, args []string) {
+		rand.Seed(time.Now().UnixNano())
+
+		sleepTimeInSeconds := rand.Intn(FlagMaxTime-FlagMinTime) + FlagMinTime
+
+		fmt.Printf("Sleep %d seconds\n", sleepTimeInSeconds)
+		for i := 0; i < sleepTimeInSeconds; i++ {
+			time.Sleep(time.Second)
+			fmt.Printf("... %d/%d seconds\n", i, sleepTimeInSeconds)
+		}
+		fmt.Println("Done.")
+	},
+}
+
+func init() {
+	sleep_cmd.Cmd.AddCommand(Cmd)
+	Cmd.Flags().IntVar(
+		&FlagMinTime,
+		"min",
+		0,
+		"Minimum sleep time (in seconds)",
+	)
+	Cmd.Flags().IntVar(
+		&FlagMaxTime,
+		"max",
+		10, // 10s
+		"Maximum sleep time (in seconds)",
+	)
+}