Fix get pod info API bug that label should be a key not a map

src/backend/controllers/openapi/pod.go

@@ -5,8 +5,6 @@ import (
 	"net/http"
 	"strings"
 
-	"k8s.io/apimachinery/pkg/labels"
-
 	"github.com/Qihoo360/wayne/src/backend/client"
 	"github.com/Qihoo360/wayne/src/backend/models"
 	"github.com/Qihoo360/wayne/src/backend/models/response"
@@ -79,13 +77,7 @@ func (c *OpenAPIController) GetPodInfo() {
 		return
 	}
 
-	label, err := labels.ConvertSelectorToLabelsMap(params.LabelSelector)
-	if err != nil {
-		c.AddErrorAndResponse(fmt.Sprintf("Invalid LabelSelector parameter: %v!", err), http.StatusBadRequest)
-		return
-	}
-
-	pods, err := pod.ListPod(manager.CacheFactory, "", label)
+	pods, err := pod.ListPodByLabelKey(manager.CacheFactory, "", params.LabelSelector)
 	if err != nil {
 		logs.Error(fmt.Sprintf("Failed to parse metadata: %s", err.Error()))
 		c.AddErrorAndResponse(fmt.Sprintf("Maybe a problematic k8s cluster(%s)!", params.Cluster), http.StatusInternalServerError)

src/backend/resources/pod/pod.go

@@ -71,6 +71,24 @@ func ListKubePod(indexer *client.CacheFactory, namespace string, label map[strin
 	return pods, nil
 }
 
+func ListPodByLabelKey(indexer *client.CacheFactory, namespace string, label string) ([]*Pod, error) {
+	podSelector := map[string]string{}
+	podList, err := ListKubePod(indexer, namespace, podSelector)
+	if err != nil {
+		return nil, err
+	}
+	pods := make([]*Pod, 0)
+	for _, pod := range podList {
+		if pod.Labels[label] != "" {
+			pods = append(pods, &Pod{
+				Labels: pod.Labels,
+				PodIp:  pod.Status.PodIP,
+			})
+		}
+	}
+	return pods, nil
+}
+
 func GetPodsByStatefulset(indexer *client.CacheFactory, namespace, name string) ([]*Pod, error) {
 	podSelector := map[string]string{"app": name}
 	pods, err := ListKubePod(indexer, namespace, podSelector)