openqa_dispatcher: revise for fedmsg hub consumer

ditch the old systemd consumer service, install the fedmsg
consumer config file, add some fedmsg-hub reload notifications.

roles/check-compose/tasks/main.yml

@@ -31,6 +31,7 @@
   dnf: name={{ item }} state=present
   with_items:
   - fedfind
+  - python2-fedmsg-consumers
   - python-setuptools
   - python-six
   tags:

roles/openqa/dispatcher/files/openqa_consumer.py

@@ -0,0 +1,3 @@
+config = {
+    'fedora_openqa_schedule.consumer.enabled': True,
+}

roles/openqa/dispatcher/tasks/main.yml

@@ -25,6 +25,7 @@
   dnf: name={{ item }} state=present
   with_items:
   - fedfind
+  - python2-fedmsg-consumers
   - python2-wikitcms
   - python-requests
   - python-setuptools
@@ -71,10 +72,8 @@
   args:
     chdir: /root/openqa_fedora_tools-dispatcher/scheduler
   when: "gittools|changed or not insttools.stat.exists"
-
-- name: Reload systemd config to pick up installed units
-  command: "systemctl daemon-reload"
-  when: "gittools|changed or not insttools.stat.exists"
+  notify:
+  - restart fedmsg-hub
 
 - name: openQA client config
   template: src=client.conf.j2 dest=/etc/openqa/client.conf owner=root group=fedmsg mode=0640
@@ -98,10 +97,21 @@
   tags:
   - config
 
-- name: Enable and start consumer
-  service: name=openqa-consumer.service enabled=yes state=started
+- name: Disable and stop old consumer service
+  service: name=openqa-consumer.service enabled=no state=stopped
   when: "openqa_consumer is defined and openqa_consumer"
 
-- name: Restart consumer if code changed
-  service: name=openqa-consumer.service  state=restarted
-  when: "gittools|changed"
+- name: Remove old service if present
+  file: path=/usr/lib/systemd/system/openqa-consumer.service state=absent
+  register: serviceremove
+
+- name: Reload systemd to remove old service if removed
+  command: "systemctl daemon-reload"
+  when: "serviceremove|changed"
+
+- name: Enable fedmsg consumer
+  copy: src=openqa_consumer.py dest=/etc/fedmsg.d/openqa_consumer.py openqa_consumer.py
+  notify:
+  - restart fedmsg-hub
+  tags:
+  - config