rolling_update: add role ceph-iscsi-gw

Closes: https://bugzilla.redhat.com/show_bug.cgi?id=1575829
Signed-off-by: Sébastien Han <seb@redhat.com>

infrastructure-playbooks/rolling_update.yml

@@ -642,6 +642,49 @@
         - containerized_deployment
 
 
+- name: upgrade ceph iscsi gateway node
+
+  vars:
+    upgrade_ceph_packages: True
+
+  hosts:
+    - "{{ iscsi_gw_group_name|default('iscsi-gws') }}"
+
+  serial: 1
+  become: True
+
+  pre_tasks:
+    # failed_when: false is here so that if we upgrade
+    # from a version of ceph that does not have iscsi gws
+    # then this task will not fail
+    - name: stop rbd-target-gw
+      systemd:
+        name: rbd-target-gw
+        state: stopped
+        enabled: yes
+      failed_when: false
+      when:
+        - not containerized_deployment
+
+  roles:
+    - ceph-defaults
+    - { role: ceph-common, when: not containerized_deployment }
+    - { role: ceph-docker-common, when: containerized_deployment }
+    - ceph-config
+    - { role: ceph-iscsi-gw,
+        when: "(ceph_release_num[ceph_release] >= ceph_release_num.luminous) or
+               (ceph_release_num[ceph_release] < ceph_release_num.luminous and rolling_update)" }
+
+  post_tasks:
+    - name: start rbd-target-gw
+      systemd:
+        name: rbd-target-gw
+        state: started
+        enabled: yes
+      when:
+        - not containerized_deployment
+
+
 - name: upgrade ceph client node
 
   vars: