master: support HA deployments with system containers

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>

roles/openshift_master/tasks/system_container.yml

@@ -18,6 +18,7 @@
   when:
     - ("master" in result.stdout)
     - (openshift.common.version is defined) and (openshift.common.version == openshift_version) | bool
+    - openshift.master.ha is not defined or not openshift.master.ha | bool
 
 - name: Uninstall Master system container package
   command: >
@@ -26,11 +27,51 @@
   when:
     - ("master" in result.stdout)
     - (openshift.common.version is not defined) or (openshift.common.version != openshift_version) | bool
+    - openshift.master.ha is not defined or not openshift.master.ha | bool
 
 - name: Install Master system container package
   command: >
     atomic install --system --name={{ openshift.common.service_type }}-master {{ openshift.common.system_images_registry }}/{{ openshift.master.master_system_image }}:{{ openshift_image_tag }}
   when:
     - (openshift.common.version is not defined) or (openshift.common.version != openshift_version) or ("master" not in result.stdout) | bool
+    - openshift.master.ha is not defined or not openshift.master.ha | bool
+  notify:
+    - restart master
+
+# HA
+- name: Update Master HA system container package
+  command: >
+    atomic containers update {{ openshift.common.service_type }}-master-{{ item }}
+  register: update_result
+  changed_when: "'Extracting' in update_result.stdout"
+  with_items:
+    - api
+    - controllers
+  when:
+    - ("master" in result.stdout)
+    - (openshift.common.version is defined) and (openshift.common.version == openshift_version) | bool
+    - openshift.master.ha is defined and openshift.master.ha | bool
+
+- name: Uninstall Master HA system container package
+  command: >
+    atomic uninstall {{ openshift.common.service_type }}-master-{{ item }}
+  failed_when: False
+  with_items:
+    - api
+    - controllers
+  when:
+    - ("master" in result.stdout)
+    - (openshift.common.version is not defined) or (openshift.common.version != openshift_version) | bool
+    - openshift.master.ha is defined and openshift.master.ha | bool
+
+- name: Install Master HA system container package
+  command: >
+    atomic install --system --set COMMAND={{ item }} --name={{ openshift.common.service_type }}-master-{{ item }} {{ openshift.common.system_images_registry }}/{{ openshift.master.master_system_image }}:{{ openshift_image_tag }}
+  with_items:
+    - api
+    - controllers
+  when:
+    - (openshift.common.version is not defined) or (openshift.common.version != openshift_version) or ("master" not in result.stdout) | bool
+    - openshift.master.ha is defined and openshift.master.ha | bool
   notify:
     - restart master

roles/openshift_master/tasks/systemd_units.yml

@@ -27,7 +27,9 @@
   template:
     src: "master_docker/master.docker.service.j2"
     dest: "{{ containerized_svc_dir }}/{{ openshift.common.service_type }}-master.service"
-  when: openshift.common.is_containerized | bool and (openshift.master.ha is not defined or not openshift.master.ha | bool and not openshift.common.is_master_system_container | bool)
+  when:
+  - openshift.common.is_containerized | bool and (openshift.master.ha is not defined or not openshift.master.ha) | bool
+  - not openshift.common.is_master_system_container | bool
   register: create_master_unit_file
 
 - command: systemctl daemon-reload
@@ -37,7 +39,9 @@
   template:
     src: "{{ ha_svc_template_path }}/atomic-openshift-master-{{ item }}.service.j2"
     dest: "{{ containerized_svc_dir }}/{{ openshift.common.service_type }}-master-{{ item }}.service"
-  when: openshift.master.ha is defined and openshift.master.ha | bool and openshift_master_cluster_method == "native"
+  when:
+  - openshift.master.ha is defined and openshift.master.ha | bool and openshift_master_cluster_method == "native"
+  - not openshift.common.is_master_system_container | bool
   with_items:
   - api
   - controllers