feat: logs prev container (#3469)

* minor-change

* conditional break fixed

* changing names

Author: rish2320

client/k8s/application/Application.go

@@ -54,10 +54,11 @@ type K8sRequestBean struct {
 }
 
 type PodLogsRequest struct {
-	SinceTime     *metav1.Time `json:"sinceTime,omitempty"`
-	TailLines     int          `json:"tailLines"`
-	Follow        bool         `json:"follow"`
-	ContainerName string       `json:"containerName"`
+	SinceTime                  *metav1.Time `json:"sinceTime,omitempty"`
+	TailLines                  int          `json:"tailLines"`
+	Follow                     bool         `json:"follow"`
+	ContainerName              string       `json:"containerName"`
+	IsPrevContainerLogsEnabled bool         `json:"previous"`
 }
 
 type ResourceIdentifier struct {
@@ -236,6 +237,7 @@ func (impl K8sClientServiceImpl) GetPodLogs(ctx context.Context, restConfig *res
 		TailLines:  &tailLines,
 		Container:  podLogsRequest.ContainerName,
 		Timestamps: true,
+		Previous:   podLogsRequest.IsPrevContainerLogsEnabled,
 	}
 	if podLogsRequest.SinceTime != nil {
 		podLogOptions.SinceTime = podLogsRequest.SinceTime

util/ValidatorHelper.go

@@ -232,7 +232,7 @@ func AutoScale(dat map[string]interface{}) (bool, error) {
 	if dat["kedaAutoscaling"] != nil {
 		kedaAutoScale, ok := dat["kedaAutoscaling"].(map[string]interface{})["enabled"]
 		if ok {
-			kedaAutoScaleEnabled=kedaAutoScale.(bool)
+			kedaAutoScaleEnabled = kedaAutoScale.(bool)
 		}
 	}
 	if dat["autoscaling"] != nil {

util/k8s/k8sApplicationService.go

@@ -148,6 +148,11 @@ func (impl *K8sApplicationServiceImpl) ValidatePodLogsRequestQuery(r *http.Reque
 		sinceSeconds = 0
 	}*/
 	containerName, clusterIdString := v.Get("containerName"), v.Get("clusterId")
+	prevContainerLogs := v.Get("previous")
+	isPrevLogs, err := strconv.ParseBool(prevContainerLogs)
+	if err != nil {
+		isPrevLogs = false
+	}
 	appId := v.Get("appId")
 	follow, err := strconv.ParseBool(v.Get("follow"))
 	if err != nil {
@@ -164,9 +169,10 @@ func (impl *K8sApplicationServiceImpl) ValidatePodLogsRequestQuery(r *http.Reque
 		},
 		PodLogsRequest: application.PodLogsRequest{
 			//SinceTime:     sinceSeconds,
-			TailLines:     tailLines,
-			Follow:        follow,
-			ContainerName: containerName,
+			TailLines:                  tailLines,
+			Follow:                     follow,
+			ContainerName:              containerName,
+			IsPrevContainerLogsEnabled: isPrevLogs,
 		},
 	}
 	request.K8sRequest = k8sRequest