switch debian8-canal-ha to ubuntu

.gitlab-ci.yml

@@ -260,10 +260,10 @@ before_script:
   BOOTSTRAP_OS: coreos
   RESOLVCONF_MODE: host_resolvconf # This is required as long as the CoreOS stable channel uses docker < 1.12
 
-.debian8_canal_ha_variables: &debian8_canal_ha_variables
+.ubuntu_canal_ha_variables: &ubuntu_canal_ha_variables
 # stage: deploy-gce-part1
   KUBE_NETWORK_PLUGIN: canal
-  CLOUD_IMAGE: debian-8-kubespray
+  CLOUD_IMAGE: ubuntu-1604-xenial
   CLOUD_REGION: europe-west1-b
   UPGRADE_TEST: "basic"
   CLUSTER_MODE: ha
@@ -416,24 +416,24 @@ ubuntu-weave-sep-triggers:
   only: ['triggers']
 
 # More builds for PRs/merges (manual) and triggers (auto)
-debian8-canal-ha:
+ubuntu-canal-ha:
   stage: deploy-gce-part1
   <<: *job
   <<: *gce
   variables:
     <<: *gce_variables
-    <<: *debian8_canal_ha_variables
+    <<: *ubuntu_canal_ha_variables
   when: manual
   except: ['triggers']
   only: ['master', /^pr-.*$/]
 
-debian8-canal-ha-triggers:
+ubuntu-canal-ha-triggers:
   stage: deploy-gce-part1
   <<: *job
   <<: *gce
   variables:
     <<: *gce_variables
-    <<: *debian8_canal_ha_variables
+    <<: *ubuntu_canal_ha_variables
   when: on_success
   only: ['triggers']
 

roles/kubernetes/master/tasks/main.yml

@@ -52,6 +52,8 @@
 
 - name: Create kube system namespace
   command: "{{ bin_dir }}/kubectl create -f {{kube_config_dir}}/{{system_namespace}}-ns.yml"
+  retries: 4
+  delay: "{{ retry_stagger | random + 3 }}"
   changed_when: False
   when: kubesystem|failed and inventory_hostname == groups['kube-master'][0]
   tags: apps

roles/kubernetes/master/tasks/pre-upgrade.yml

@@ -95,5 +95,13 @@
   delegate_to: "{{item}}"
   with_items: "{{groups['etcd']}}"
   when: needs_etcd_migration|bool
-  notify: "Master | reload kubelet"
+
+- name: "Pre-upgrade | restart kubelet on all masters"
+  service:
+    name: kubelet
+    state: restarted
+  delegate_to: "{{item}}"
+  with_items: "{{groups['kube-master']}}"
+  register: kube_apiserver_manifest_replaced
+  when: needs_etcd_migration|bool