Adjust weave daemonset for serial deployment

.gitlab-ci.yml

@@ -262,7 +262,6 @@ before_script:
   KUBE_NETWORK_PLUGIN: weave
   CLOUD_IMAGE: rhel-7
   CLOUD_REGION: europe-west1-b
-  UPGRADE_TEST: "graceful"
   CLUSTER_MODE: default
 
 .centos7_flannel_variables: &centos7_flannel_variables
@@ -278,6 +277,7 @@ before_script:
   CLOUD_IMAGE: debian-8-kubespray
   CLOUD_REGION: us-central1-b
   CLUSTER_MODE: default
+  UPGRADE_TEST: "graceful"
 
 .coreos_canal_variables: &coreos_canal_variables
 # stage: deploy-gce-part2
@@ -328,6 +328,7 @@ before_script:
   CLUSTER_MODE: separate
   ETCD_DEPLOYMENT: rkt
   KUBELET_DEPLOYMENT: rkt
+  UPGRADE_TEST: "graceful"
 
 .ubuntu_vault_sep_variables: &ubuntu_vault_sep_variables
 # stage: deploy-gce-part1
@@ -540,7 +541,7 @@ coreos-alpha-weave-ha:
   except: ['triggers']
   only: ['master', /^pr-.*$/]
 
-ubuntu-rkt-sep:
+ubuntu-rkt-sep-upgrade:
   stage: deploy-gce-part1
   <<: *job
   <<: *gce

roles/kubernetes-apps/network_plugin/weave/tasks/main.yml

 #FIXME: remove if kubernetes/features#124 is implemented
 - name: Weave | Purge old weave daemonset
-  run_once: true
   kube:
     name: "weave-net"
     kubectl: "{{ bin_dir }}/kubectl"
@@ -12,7 +11,6 @@
 
 
 - name: Weave | Start Resources
-  run_once: true
   kube:
     name: "weave-net"
     kubectl: "{{ bin_dir }}/kubectl"
@@ -21,17 +19,16 @@
     namespace: "{{system_namespace}}"
     state: "{{ item | ternary('latest','present') }}"
   with_items: "{{ weave_manifest.changed }}"
-  delegate_to: "{{groups['kube-master'][0]}}"
+  when: inventory_hostname == groups['kube-master'][0]
 
 
 - name: "Weave | wait for weave to become available"
   uri:
     url: http://127.0.0.1:6784/status
     return_content: yes
-  run_once: true
   register: weave_status
-  retries: 12
+  retries: 180
   delay: 10
   until: "{{ weave_status.status == 200 and
     'Status: ready' in weave_status.content }}"
-  delegate_to: "{{groups['kube-master'][0]}}"
+  when: inventory_hostname == groups['kube-master'][0]