Remove non-container zaqar-server on upgrade

This removes the zaqar websocket service on upgrade from
non-containerized environment, in particular the undercloud.

Change-Id: If2151c27bfdf4e1f1a22704221c1a2c75aa9cf0a
Closes-Bug: #1798546

docker/services/zaqar.yaml

@@ -220,6 +220,17 @@ outputs:
               when:
                 - zaqar_httpd_enabled|bool
                 - httpd_running|bool
+            - name: Check if zaqar websocket is deployed
+              command: systemctl is-enabled --quiet openstack-zaqar@1
+              ignore_errors: True
+              register: zaqar_ws_enabled_result
+            - name: Set fact zaqar_ws_enabled
+              set_fact:
+                zaqar_ws_enabled: "{{ zaqar_ws_enabled_result.rc == 0 }}"
+            - name: "PreUpgrade step0,validation: Check service openstack-zaqar@1 is running"
+              command: systemctl is-active --quiet openstack-zaqar@1
+              when: zaqar_ws_enabled|bool
+              tags: validation
         - when: step|int == 2
           block:
             - name: Stop and disable zaqar service
@@ -227,6 +238,9 @@ outputs:
                 - zaqar_httpd_enabled|bool
                 - httpd_running|bool
               service: name=httpd state=stopped enabled=no
+            - name: Stop and disable zaqar websocket service
+              when: zaqar_ws_enabled|bool
+              service: name=openstack-zaqar@1 state=stopped enabled=no
         - when: step|int == 3
           block:
             - name: Set fact for removal of openstack-zaqar package

releasenotes/notes/zaqar-ws-upgrade-8dda7caea7e6bc1e.yaml

@@ -0,0 +1,5 @@
+---
+upgrade:
+  - |
+    Remove zaqar wbesocket service when upgrading from non-containerized
+    environment.