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: I7475fbbfcf04ba528ea8718117b8d6afdd6f4971

defaults/main.yml

@@ -153,10 +153,15 @@ glance_policy_file: policy.json
 glance_policy_default_rule: default
 glance_policy_dirs: policy.d
 
-## Define nfs information for glance. When the glance_nfs_client dictionary is
+
-## defined it will enable nfs shares as mounted directories. The
+# Define nfs information to enable nfs shares as mounted directories for
-## ``glance_nfs_client`` value is a list of dictionaries that must be filled
+# glance. The ``glance_nfs_client`` value is a list of dictionaries that must
-## out completely to enable the persistent NFS mounts.
+# be filled out completely to enable the persistent NFS mounts.
+
+glance_nfs_client: []
+
+# Example of the expected dict structure:
+#
 # glance_nfs_client:
 #   - server: "127.0.0.1"                   ## Hostname or IP address of NFS Server
 #     remote_path: "/images"                ## Remote path from the NFS server's export

handlers/main.yml

@@ -30,4 +30,4 @@
     name: "{{ item }}"
     state: "restarted"
     pattern: "{{ item }}"
-  with_items: glance_service_names
+  with_items: "{{ glance_service_names }}"

tasks/glance_install.yml

@@ -74,7 +74,7 @@
   until: install_packages|success
   retries: 5
   delay: 2
-  with_items: glance_requires_pip_packages
+  with_items: "{{ glance_requires_pip_packages }}"
   tags:
     - glance-install
     - glance-pip-packages
@@ -192,7 +192,7 @@
   until: install_packages|success
   retries: 5
   delay: 2
-  with_items: glance_pip_packages
+  with_items: "{{ glance_pip_packages }}"
   when:
     - glance_venv_enabled | bool
     - glance_get_venv | failed or glance_developer_mode | bool
@@ -211,7 +211,7 @@
   until: install_packages|success
   retries: 5
   delay: 2
-  with_items: glance_pip_packages
+  with_items: "{{ glance_pip_packages }}"
   when:
     - not glance_venv_enabled | bool
     - not glance_developer_mode | bool

tasks/glance_install_apt.yml

@@ -34,4 +34,4 @@
   until: install_packages|success
   retries: 5
   delay: 2
-  with_items: glance_apt_packages
+  with_items: "{{ glance_apt_packages }}"

tasks/glance_post_install.yml

@@ -77,9 +77,7 @@
   file:
     path: "{{ item.local_path }}"
     state: directory
-  with_items: glance_nfs_client
+  with_items: "{{ glance_nfs_client }}"
-  when: >
-    glance_nfs_client is defined
   tags:
     - glance-nfs
     - glance-nfs-local-path
@@ -91,9 +89,7 @@
     fstype: "{{ item.type }}"
     opts: "{{ item.options }}"
     state: "mounted"
-  with_items: glance_nfs_client
+  with_items: "{{ glance_nfs_client }}"
-  when: >
-    glance_nfs_client is defined
   tags:
     - glance-nfs
     - glance-nfs-local-path