Move scalability jobs to us-central from us-east

hack/jenkins/job-configs/kubernetes-jenkins/kubernetes-e2e-gce-enormous-startup.yaml

@@ -18,7 +18,7 @@
             # Temporarily switch of Heapster, as this will not schedule anywhere.
             # TODO: Think of a solution to enable it.
             export KUBE_ENABLE_CLUSTER_MONITORING="none"
-            export KUBE_GCE_ZONE="us-east1-d"
+            export KUBE_GCE_ZONE="us-central1-c"
             export MASTER_SIZE="n1-standard-32"
             export NODE_SIZE="n1-standard-1"
             export NODE_DISK_SIZE="50GB"

hack/jenkins/job-configs/kubernetes-jenkins/kubernetes-kubemark.yaml

@@ -67,7 +67,7 @@
                 export NUM_NODES="3"
                 export MASTER_SIZE="n1-standard-2"
                 export NODE_SIZE="n1-standard-4"
-                export KUBE_GCE_ZONE="us-east1-d"
+                export KUBE_GCE_ZONE="us-central1-f"
                 export KUBEMARK_MASTER_SIZE="n1-standard-4"
                 export KUBEMARK_NUM_NODES="100"
         - '500-gce':
@@ -86,7 +86,7 @@
                 export NUM_NODES="6"
                 export MASTER_SIZE="n1-standard-4"
                 export NODE_SIZE="n1-standard-8"
-                export KUBE_GCE_ZONE="us-east1-b"
+                export KUBE_GCE_ZONE="us-central1-f"
                 export KUBEMARK_MASTER_SIZE="n1-standard-16"
                 export KUBEMARK_NUM_NODES="500"
         - 'gce-scale':
@@ -111,6 +111,6 @@
                 export NODE_SIZE="n1-standard-8"
                 export KUBEMARK_MASTER_SIZE="n1-standard-16"
                 export KUBEMARK_NUM_NODES="1000"
-                export KUBE_GCE_ZONE="us-east1-b"
+                export KUBE_GCE_ZONE="us-central1-f"
     jobs:
         - 'kubernetes-kubemark-{suffix}'