handlers: avoid duplicate handler

Having handlers in both ceph-defaults and ceph-docker-common roles can make the
playbook restarting two times services. Handlers can be triggered first
time because of a change in ceph.conf and a second time because a new
image has been pulled.

Signed-off-by: Guillaume Abrioux <gabrioux@redhat.com>

roles/ceph-docker-common/handlers/main.yml

@@ -1,115 +0,0 @@
----
-- name: restart ceph container mon daemon(s) because new image
-  command: /usr/bin/env bash /tmp/restart_mon_daemon.sh
-  listen: "restart ceph mons container"
-  when:
-    # We do not want to run these checks on initial deployment (`socket.rc == 0`)
-    - mon_group_name in group_names
-    - ceph_mon_container_stat.get('rc') == 0
-    - inventory_hostname == groups.get(mon_group_name) | last
-    - inventory_hostname in play_hosts
-    - ceph_mon_container_stat.get('stdout_lines', [])|length != 0
-    - container_inspect_before_pull.rc == 0
-    - (container_inspect_before_pull.stdout | from_json)[0].RepoDigests[0] != (container_inspect_after_pull.stdout | from_json)[0].RepoDigests[0]
-  with_items: "{{ groups[mon_group_name] }}"
-  run_once: true
-  delegate_to: "{{ item }}"
-
-- name: restart ceph container osds daemon(s) because new image
-  command: /usr/bin/env bash /tmp/restart_osd_daemon.sh
-  listen: "restart ceph osds container"
-  when:
-    # We do not want to run these checks on initial deployment (`socket_osd_container_stat.results[n].rc == 0`)
-    # except when a crush location is specified. ceph-disk will start the osds before the osd crush location is specified
-    - osd_group_name in group_names
-    - ceph_osd_container_stat.get('rc') == 0
-    - inventory_hostname == groups.get(osd_group_name) | last
-    - ((crush_location is defined and crush_location) or ceph_osd_container_stat.get('stdout_lines', [])|length != 0)
-    - handler_health_osd_check
-    # See https://github.com/ceph/ceph-ansible/issues/1457 for the condition below
-    - inventory_hostname in play_hosts
-    - container_inspect_before_pull.rc == 0
-    - (container_inspect_before_pull.stdout | from_json)[0].RepoDigests[0] != (container_inspect_after_pull.stdout | from_json)[0].RepoDigests[0]
-  with_items: "{{ groups[osd_group_name] }}"
-  run_once: true
-  delegate_to: "{{ item }}"
-
-- name: restart ceph container mds daemon(s) because new image
-  command: /usr/bin/env bash /tmp/restart_mds_daemon.sh
-  listen: "restart ceph mdss container"
-  when:
-    # We do not want to run these checks on initial deployment (`socket.rc == 0`)
-    - mds_group_name in group_names
-    - ceph_mds_container_stat.get('rc') == 0
-    - inventory_hostname == groups.get(mds_group_name) | last
-    - inventory_hostname in play_hosts
-    - ceph_mds_container_stat.get('stdout_lines', [])|length != 0
-    - container_inspect_before_pull.rc == 0
-    - (container_inspect_before_pull.stdout | from_json)[0].RepoDigests[0] != (container_inspect_after_pull.stdout | from_json)[0].RepoDigests[0]
-  with_items: "{{ groups[mds_group_name] }}"
-  run_once: true
-  delegate_to: "{{ item }}"
-
-- name: restart ceph container rgw daemon(s) because new image
-  command: /usr/bin/env bash /tmp/restart_rgw_daemon.sh
-  listen: "restart ceph rgws container"
-  when:
-    # We do not want to run these checks on initial deployment (`socket.rc == 0`)
-    - rgw_group_name in group_names
-    - ceph_rgw_container_stat.get('rc') == 0
-    - inventory_hostname == groups.get(rgw_group_name) | last
-    - inventory_hostname in play_hosts
-    - ceph_rgw_container_stat.get('stdout_lines', [])|length != 0
-    - container_inspect_before_pull.rc == 0
-    - (container_inspect_before_pull.stdout | from_json)[0].RepoDigests[0] != (container_inspect_after_pull.stdout | from_json)[0].RepoDigests[0]
-  with_items: "{{ groups[rgw_group_name] }}"
-  run_once: true
-  delegate_to: "{{ item }}"
-
-- name: restart ceph container nfs daemon(s) because new image
-  command: /usr/bin/env bash /tmp/restart_nfs_daemon.sh
-  listen: "restart ceph nfss container"
-  when:
-    # We do not want to run these checks on initial deployment (`socket.rc == 0`)
-    - nfs_group_name in group_names
-    - ceph_nfs_container_stat.get('rc') == 0
-    - inventory_hostname == groups.get(nfs_group_name) | last
-    - inventory_hostname in play_hosts
-    - ceph_nfs_container_stat.get('stdout_lines', [])|length != 0
-    - container_inspect_before_pull.rc == 0
-    - (container_inspect_before_pull.stdout | from_json)[0].RepoDigests[0] != (container_inspect_after_pull.stdout | from_json)[0].RepoDigests[0]
-  with_items: "{{ groups[nfs_group_name] }}"
-  run_once: true
-  delegate_to: "{{ item }}"
-
-- name: restart ceph container rbd mirror daemon(s) because new image
-  command: /usr/bin/env bash /tmp/restart_rbd_mirror_daemon.sh
-  listen: "restart ceph rbdmirrors container"
-  when:
-    # We do not want to run these checks on initial deployment (`socket.rc == 0`)
-    - rbdmirror_group_name in group_names
-    - ceph_rbd_mirror_container_stat.get('rc') == 0
-    - inventory_hostname == groups.get(rbdmirror_group_name) | last
-    - inventory_hostname in play_hosts
-    - ceph_rbd_mirror_container_stat.get('stdout_lines', [])|length != 0
-    - container_inspect_before_pull.rc == 0
-    - (container_inspect_before_pull.stdout | from_json)[0].RepoDigests[0] != (container_inspect_after_pull.stdout | from_json)[0].RepoDigests[0]
-  with_items: "{{ groups[rbdmirror_group_name] }}"
-  run_once: true
-  delegate_to: "{{ item }}"
-
-- name: restart ceph container mgr daemon(s) because new image
-  command: /usr/bin/env bash /tmp/restart_mgr_daemon.sh
-  listen: "restart ceph mgrs container"
-  when:
-    # We do not want to run these checks on initial deployment (`socket.rc == 0`)
-    - mgr_group_name in group_names
-    - ceph_mgr_container_stat.get('rc') == 0
-    - inventory_hostname == groups.get(mgr_group_name) | last
-    - inventory_hostname in play_hosts
-    - ceph_mgr_container_stat.get('stdout_lines', [])|length != 0
-    - container_inspect_before_pull.rc == 0
-    - (container_inspect_before_pull.stdout | from_json)[0].RepoDigests[0] != (container_inspect_after_pull.stdout | from_json)[0].RepoDigests[0]
-  with_items: "{{ groups[mgr_group_name] }}"
-  run_once: true
-  delegate_to: "{{ item }}"

roles/ceph-docker-common/tasks/fetch_image.yml

@@ -6,6 +6,12 @@
   failed_when: false
   register: container_inspect_before_pull
 
+- name: set_fact repodigest_before_pulling
+  set_fact:
+    repodigest_before_pulling: "{{ (container_inspect_before_pull.stdout | from_json)[0].RepoDigests[0] }}"
+  when:
+    - container_inspect_before_pull.rc == 0
+
 - name: "pulling {{ ceph_docker_registry}}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }} image"
   command: "timeout {{ docker_pull_timeout }} docker pull {{ ceph_docker_registry}}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}"
   changed_when: false
@@ -20,13 +26,27 @@
   command: "docker inspect {{ ceph_docker_registry}}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}"
   failed_when: false
   register: container_inspect_after_pull
+
+- name: set_fact repodigest_after_pulling
+  set_fact:
+    repodigest_after_pulling: "{{ (container_inspect_after_pull.stdout | from_json)[0].RepoDigests[0] }}"
+  when:
+    - container_inspect_after_pull.rc == 0
+
+- name: set_fact is_image_updated
+  set_fact:
+    is_image_updated: "{{ repodigest_before_pulling == repodigest_after_pulling }}"
+  changed_when: true
   notify:
-    - restart ceph mons container
-    - restart ceph osds container
-    - restart ceph mdss container
-    - restart ceph rgws container
-    - restart ceph mgrs container
-    - restart ceph rbdmirrors container
+    - restart ceph mons
+    - restart ceph osds
+    - restart ceph mdss
+    - restart ceph rgws
+    - restart ceph mgrs
+    - restart ceph rbdmirrors
+  when:
+    - container_inspect_before_pull.rc == 0
+    - repodigest_before_pulling == repodigest_after_pulling
 
 - name: export local ceph dev image
   local_action: command docker save -o "/tmp/{{ ceph_docker_username }}-{{ ceph_docker_imagename }}-{{ ceph_docker_image_tag }}.tar" "{{ ceph_docker_username }}/{{ ceph_docker_imagename }}:{{ ceph_docker_image_tag }}"