Ansible 2.x - Address deprecation warning of bare variables

Ansible 2.2 will not allow "bare" variable references
in with_* loops. See https://docs.ansible.com/ansible/porting_guide_2.0.html#deprecated
for details.

Change-Id: I70571efd5ff409a0a96e339a9cd6812ffd045277

handlers/main.yml

@@ -18,7 +18,7 @@
     name: "{{ item }}"
     state: restarted
     pattern: "{{ item }}"
-  with_items: ironic_service_names
+  with_items: "{{ ironic_service_names }}"
   failed_when: false
 
 - name: Restart tftpd-hpa

tasks/ironic_api_install.yml

@@ -21,7 +21,7 @@
   until: install_packages|success
   retries: 5
   delay: 2
-  with_items: ironic_api_apt_packages
+  with_items: "{{ ironic_api_apt_packages }}"
   tags:
     - ironic-install
     - ironic-api

tasks/ironic_conductor_install.yml

@@ -21,7 +21,7 @@
   until: install_packages|success
   retries: 5
   delay: 2
-  with_items: ironic_conductor_apt_packages
+  with_items: "{{ ironic_conductor_apt_packages }}"
   tags:
     - ironic-install
     - ironic-conductor
@@ -35,7 +35,7 @@
   until: install_packages|success
   retries: 5
   delay: 2
-  with_items: ironic_conductor_standalone_apt_packages
+  with_items: "{{ ironic_conductor_standalone_apt_packages }}"
   when: ironic_standalone
   tags:
     - ironic-install

tasks/ironic_install.yml

@@ -66,7 +66,7 @@
   until: install_packages|success
   retries: 5
   delay: 2
-  with_items: ironic_requires_pip_packages
+  with_items: "{{ ironic_requires_pip_packages }}"
   tags:
     - ironic-install
     - ironic-pip-packages
@@ -183,7 +183,7 @@
   until: install_packages|success
   retries: 5
   delay: 2
-  with_items: ironic_pip_packages
+  with_items: "{{ ironic_pip_packages }}"
   when:
     - ironic_venv_enabled | bool
     - ironic_get_venv | failed or ironic_developer_mode | bool
@@ -201,7 +201,7 @@
   until: install_packages|success
   retries: 5
   delay: 2
-  with_items: ironic_pip_packages
+  with_items: "{{ ironic_pip_packages }}"
   when:
     - not ironic_venv_enabled | bool
     - not ironic_developer_mode | bool