support to get label

jenkins.go

@@ -265,6 +265,18 @@ func (j *Jenkins) GetNode(name string) (*Node, error) {
 	return nil, errors.New("No node found")
 }
 
+func (j *Jenkins) GetLabel(name string) (*Label, error) {
+	label := Label{Jenkins: j, Raw: new(LabelResponse), Base: "/label/" + name}
+	status, err := label.Poll()
+	if err != nil {
+		return nil, err
+	}
+	if status == 200 {
+		return &label, nil
+	}
+	return nil, errors.New("No label found")
+}
+
 func (j *Jenkins) GetBuild(jobName string, number int64) (*Build, error) {
 	job, err := j.GetJob(jobName)
 	if err != nil {

label.go

@@ -0,0 +1,40 @@
+package gojenkins
+
+type Label struct {
+	Raw     *LabelResponse
+	Jenkins *Jenkins
+	Base    string
+}
+
+type MODE string
+
+const (
+	NORMAL    MODE = "NORMAL"
+	EXCLUSIVE      = "EXCLUSIVE"
+)
+
+type LabelNode struct {
+	NodeName        string `json:"nodeName"`
+	NodeDescription string `json:"nodeDescription"`
+	NumExecutors    int64  `json:"numExecutors"`
+	Mode            string `json:"mode"`
+	Class           string `json:"_class"`
+}
+
+type LabelResponse struct {
+	Name           string      `json:"name"`
+	Description    string      `json:"description"`
+	Nodes          []LabelNode `json:"nodes"`
+	Offline        bool        `json:"offline"`
+	IdleExecutors  int64       `json:"idleExecutors"`
+	BusyExecutors  int64       `json:"busyExecutors"`
+	TotalExecutors int64       `json:"totalExecutors"`
+}
+
+func (l *Label) Poll() (int, error) {
+	response, err := l.Jenkins.Requester.GetJSON(l.Base, l.Raw, nil)
+	if err != nil {
+		return 0, err
+	}
+	return response.StatusCode, nil
+}