Upgrade to kubeadm (#1667)

* Enable upgrade to kubeadm

* fix kubedns upgrade

* try upgrade route

* use init/upgrade strategy for kubeadm and ignore kubedns svc

* Use bin_dir for kubeadm

* delete more secrets

* fix waiting for terminating pods

* Manually enforce kube-proxy for kubeadm deploy

* remove proxy. update to kubeadm 1.8.0rc1

.gitlab-ci.yml

@@ -299,12 +299,24 @@ before_script:
   UPGRADE_TEST: "graceful"
   STARTUP_SCRIPT: ""
 
+.centos_weave_kubeadm_variables: &centos_weave_kubeadm_variables
+# stage: deploy-gce-part1
+  KUBE_NETWORK_PLUGIN: weave
+  AUTHORIZATION_MODES: "{ 'authorization_modes':  [ 'RBAC' ] }"
+  CLOUD_IMAGE: centos-7
+  CLOUD_MACHINE_TYPE: "n1-standard-1"
+  CLOUD_REGION: us-central1-b
+  CLUSTER_MODE: ha
+  KUBEADM_ENABLED: "true"
+  UPGRADE_TEST: "graceful"
+  STARTUP_SCRIPT: ""
+
 .ubuntu_canal_kubeadm_variables: &ubuntu_canal_kubeadm_variables
 # stage: deploy-gce-part1
   KUBE_NETWORK_PLUGIN: canal
   AUTHORIZATION_MODES: "{ 'authorization_modes':  [ 'RBAC' ] }"
   CLOUD_IMAGE: ubuntu-1604-xenial
-  CLOUD_MACHINE_TYPE: "n1-standard-2"
+  CLOUD_MACHINE_TYPE: "n1-standard-1"
   CLOUD_REGION: europe-west1-b
   CLUSTER_MODE: ha
   KUBEADM_ENABLED: "true"
@@ -521,6 +533,27 @@ ubuntu-canal-kubeadm-triggers:
   when: on_success
   only: ['triggers']
 
+centos-weave-kubeadm-rbac:
+  stage: deploy-gce-part1
+  <<: *job
+  <<: *gce
+  variables:
+    <<: *gce_variables
+    <<: *centos_weave_kubeadm_variables
+  when: manual
+  except: ['triggers']
+  only: ['master', /^pr-.*$/]
+
+centos-weave-kubeadm-triggers:
+  stage: deploy-gce-part1
+  <<: *job
+  <<: *gce
+  variables:
+    <<: *gce_variables
+    <<: *centos_weave_kubeadm_variables
+  when: on_success
+  only: ['triggers']
+
 rhel7-weave:
   stage: deploy-gce-part1
   <<: *job