Add restart as sub command

app/cmd/restart.go

+package cmd
+
+import (
+	"crypto/tls"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"net/http"
+
+	"github.com/spf13/cobra"
+)
+
+type RestartOptions struct {
+}
+
+func init() {
+	rootCmd.AddCommand(restartCmd)
+}
+
+//curl -X POST http://localhost:8080/jenkins/safeRestart
+
+var restartCmd = &cobra.Command{
+	Use:   "restart",
+	Short: "Restart your Jenkins",
+	Long:  `Restart your Jenkins`,
+	Run: func(cmd *cobra.Command, args []string) {
+		crumb, config := getCrumb()
+		api := fmt.Sprintf("%s/safeRestart", config.URL)
+
+		req, err := http.NewRequest("POST", api, nil)
+		if err != nil {
+			log.Fatal(err)
+		}
+		req.Header.Add("Accept", "*/*")
+		req.SetBasicAuth(config.UserName, config.Token)
+		req.Header.Add(crumb.CrumbRequestField, crumb.Crumb)
+
+		tr := &http.Transport{
+			TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
+		}
+		client := &http.Client{Transport: tr}
+		if response, err := client.Do(req); err == nil {
+			if response.StatusCode != 200 {
+				if data, err := ioutil.ReadAll(response.Body); err == nil {
+					fmt.Println(string(data))
+				} else {
+					log.Fatal(err)
+				}
+			}
+		} else {
+			log.Fatal(err)
+		}
+	},
+}