Setup oslo.messaging extra packages for optional drivers

Change-Id: I3793994eaf59c7ac98aebb82a17884d7d34332a1

defaults/main.yml

@@ -238,6 +238,13 @@ ironic_oslomsg_notify_use_ssl: "{{ oslomsg_notify_use_ssl | default(False) }}"
 ironic_oslomsg_notify_userid: ironic
 ironic_oslomsg_notify_vhost: /ironic
 
+## (Qdrouterd) integration
+# TODO(ansmith): Change structure when more backends will be supported
+ironic_oslomsg_amqp1_enabled: "{{ ironic_oslomsg_rpc_transport == 'amqp' }}"
+
+ironic_optional_oslomsg_amqp1_pip_packages:
+  - oslo.messaging[amqp1]
+
 # Auth
 ironic_service_user_name: "ironic"
 

tasks/ironic_install.yml

@@ -115,6 +115,19 @@
   tags:
     - skip_ansible_lint
 
+- name: Install optional pip packages
+  pip:
+    name: "{{ ironic_optional_oslomsg_amqp1_pip_packages }}"
+    state: "{{ ironic_pip_package_state }}"
+    virtualenv: "{{ ironic_bin | dirname }}"
+    virtualenv_site_packages: "no"
+  when: ironic_oslomsg_amqp1_enabled
+  register: install_optional_packages
+  until: install_optional_packages is success
+  retries: 5
+  delay: 2
+  notify: Restart ironic services
+
 - name: Record the venv tag deployed
   ini_file:
     dest: "/etc/ansible/facts.d/openstack_ansible.fact"