Print Jenkins version in the center cmd

app/cmd/center.go

@@ -18,20 +18,38 @@ var centerCmd = &cobra.Command{
 	Long:  `Manage your update center`,
 	Run: func(cmd *cobra.Command, args []string) {
 		jenkins := getCurrentJenkins()
-		jclient := &client.UpdateCenterManager{}
-		jclient.URL = jenkins.URL
-		jclient.UserName = jenkins.UserName
-		jclient.Token = jenkins.Token
-
-		if status, err := jclient.Status(); err == nil {
-			fmt.Println("RestartRequiredForCompletion:", status.RestartRequiredForCompletion)
-			if status.Jobs != nil {
-				for i, job := range status.Jobs {
-					fmt.Printf("%d, %s, %s\n", i, job.Type, job.ErrorMessage)
-				}
+		printJenkinsStatus(jenkins)
+		printUpdateCenter(jenkins)
+	},
+}
+
+func printUpdateCenter(jenkins *JenkinsServer) {
+	jclient := &client.UpdateCenterManager{}
+	jclient.URL = jenkins.URL
+	jclient.UserName = jenkins.UserName
+	jclient.Token = jenkins.Token
+
+	if status, err := jclient.Status(); err == nil {
+		fmt.Println("RestartRequiredForCompletion:", status.RestartRequiredForCompletion)
+		if status.Jobs != nil {
+			for i, job := range status.Jobs {
+				fmt.Printf("%d, %s, %s\n", i, job.Type, job.ErrorMessage)
 			}
-		} else {
-			log.Fatal(err)
 		}
-	},
+	} else {
+		log.Fatal(err)
+	}
+}
+
+func printJenkinsStatus(jenkins *JenkinsServer) {
+	jclient := &client.JenkinsStatusClient{}
+	jclient.URL = jenkins.URL
+	jclient.UserName = jenkins.UserName
+	jclient.Token = jenkins.Token
+
+	if status, err := jclient.Get(); err == nil {
+		fmt.Println("Jenkins Version:", status.Version)
+	} else {
+		log.Fatal(err)
+	}
 }

app/cmd/common.go

@@ -64,3 +64,8 @@ func (b *BatchOption) Confirm(message string) bool {
 
 	return true
 }
+
+// WatchOption for the resources which can be watched
+type WatchOption struct {
+	Watch bool
+}

client/job.go

@@ -289,6 +289,7 @@ type SearchResultItem struct {
 }
 
 type Job struct {
+	Type            string `json:"_class"`
 	Builds          []JobBuild
 	Color           string
 	ConcurrentBuild bool

client/status.go

+package client
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"net/http"
+)
+
+type AgentLabel struct {
+	Name string
+}
+
+type View struct {
+	Name string
+	URL  string
+}
+
+type JenkinsStatus struct {
+	AssignedLabels  []AgentLabel
+	Description     string
+	Jobs            []Job
+	Mode            string
+	NodeDescription string
+	NodeName        string
+	NumExecutors    int
+	PrimaryView     View
+	QuietingDown    bool
+	SlaveAgentPort  int
+	UseCrumbs       bool
+	UseSecurity     bool
+	Views           []View
+	Version         string
+}
+
+type JenkinsStatusClient struct {
+	JenkinsCore
+}
+
+func (q *JenkinsStatusClient) Get() (status *JenkinsStatus, err error) {
+	api := fmt.Sprintf("%s/api/json", q.URL)
+	var (
+		req      *http.Request
+		response *http.Response
+	)
+
+	req, err = http.NewRequest("GET", api, nil)
+	if err == nil {
+		q.AuthHandle(req)
+	} else {
+		return
+	}
+
+	client := q.GetClient()
+	if response, err = client.Do(req); err == nil {
+		code := response.StatusCode
+		var data []byte
+		data, err = ioutil.ReadAll(response.Body)
+		if code == 200 {
+			status = &JenkinsStatus{}
+			if ver, ok := response.Header["X-Jenkins"]; ok && len(ver) > 0 {
+				status.Version = ver[0]
+			}
+			err = json.Unmarshal(data, status)
+		} else {
+			log.Fatal(string(data))
+		}
+	} else {
+		log.Fatal(err)
+	}
+	return
+}