Rebalance CI GCE zones for better CPU per region usage

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>

.travis.yml

@@ -23,44 +23,44 @@ env:
     - >-
       KUBE_NETWORK_PLUGIN=canal
       CLOUD_IMAGE=debian-8-kubespray
-      CLOUD_REGION=europe-west1-d
+      CLOUD_REGION=asia-east1-a
       CLUSTER_MODE=default
     - >-
       KUBE_NETWORK_PLUGIN=calico
       CLOUD_IMAGE=debian-8-kubespray
-      CLOUD_REGION=us-central1-b
+      CLOUD_REGION=asia-northeast1-b
       CLUSTER_MODE=default
 
     # Centos 7
     - >-
       KUBE_NETWORK_PLUGIN=flannel
       CLOUD_IMAGE=centos-7
-      CLOUD_REGION=europe-west1-d
+      CLOUD_REGION=europe-west1-c
       CLUSTER_MODE=default
     - >-
       KUBE_NETWORK_PLUGIN=calico
       CLOUD_IMAGE=centos-7
-      CLOUD_REGION=europe-west1-b
+      CLOUD_REGION=us-central1-b
       CLUSTER_MODE=default
 
    # Redhat 7
     - >-
       KUBE_NETWORK_PLUGIN=weave
       CLOUD_IMAGE=rhel-7
-      CLOUD_REGION=europe-west1-b
+      CLOUD_REGION=us-east1-c
       CLUSTER_MODE=default
 
     # CoreOS stable
     #- >-
     #  KUBE_NETWORK_PLUGIN=weave
     #  CLOUD_IMAGE=coreos-stable
-    #  CLOUD_REGION=europe-west1-a
+    #  CLOUD_REGION=europe-west1-b
     #  CLUSTER_MODE=default
     #  BOOTSTRAP_OS=coreos
     - >-
       KUBE_NETWORK_PLUGIN=canal
       CLOUD_IMAGE=coreos-stable
-      CLOUD_REGION=us-east1-d
+      CLOUD_REGION=us-west1-b
       CLUSTER_MODE=default
       BOOTSTRAP_OS=coreos
 
@@ -73,7 +73,7 @@ env:
     - >-
       KUBE_NETWORK_PLUGIN=weave
       CLOUD_IMAGE=ubuntu-1604-xenial
-      CLOUD_REGION=us-west1-b
+      CLOUD_REGION=europe-west1-d
       CLUSTER_MODE=separate
     - >-
       KUBE_NETWORK_PLUGIN=calico
@@ -84,7 +84,7 @@ env:
 
 matrix:
   allow_failures:
-    - env: KUBE_NETWORK_PLUGIN=weave CLOUD_IMAGE=coreos-stable CLOUD_REGION=europe-west1-a CLUSTER_MODE=default BOOTSTRAP_OS=coreos
+    - env: KUBE_NETWORK_PLUGIN=weave CLOUD_IMAGE=coreos-stable CLOUD_REGION=europe-west1-b CLUSTER_MODE=default BOOTSTRAP_OS=coreos
 
 before_install:
   # Install Ansible.

docs/test_cases.md

@@ -8,14 +8,14 @@ Here is the test matrix for the Travis CI gates:
 
 |           Network plugin|                  OS type|               GCE region|             Nodes layout|
 |-------------------------|-------------------------|-------------------------|-------------------------|
-|                    canal|                 debian-8|           europe-west1-d|                  default|
-|                   calico|                 debian-8|            us-central1-b|                  default|
-|                  flannel|                 centos-7|           europe-west1-d|                  default|
-|                   calico|                 centos-7|           europe-west1-b|                  default|
-|                    weave|                   rhel-7|           europe-west1-b|                  default|
-|                    canal|            coreos-stable|               us-east1-d|                  default|
+|                    canal|       debian-8-kubespray|             asia-east1-a|                  default|
+|                   calico|       debian-8-kubespray|        asia-northeast1-b|                  default|
+|                  flannel|                 centos-7|           europe-west1-c|                  default|
+|                   calico|                 centos-7|            us-central1-b|                  default|
+|                    weave|                   rhel-7|               us-east1-c|                  default|
+|                    canal|            coreos-stable|               us-west1-b|                  default|
 |                    canal|                   rhel-7|           europe-west1-c|                 separate|
-|                    weave|       ubuntu-1604-xenial|               us-west1-b|                 separate|
+|                    weave|       ubuntu-1604-xenial|           europe-west1-d|                 separate|
 |                   calico|            coreos-stable|            us-central1-f|                 separate|
 
 Where the nodes layout `default` is that is given in the example inventory file.