Merge "Allow haproxy role to pull images"

ansible/roles/haproxy/tasks/deploy.yml

+---
+- include: config.yml
+  when: inventory_hostname in groups['haproxy']
+
+- include: start.yml
+  when: inventory_hostname in groups['haproxy']

ansible/roles/haproxy/tasks/main.yml

 ---
-- include: config.yml
-  when: inventory_hostname in groups['haproxy']
-
-- include: start.yml
-  when: inventory_hostname in groups['haproxy']
+- include: "{{ action }}.yml"

ansible/roles/haproxy/tasks/pull.yml

+---
+- name: Pulling keepalived image
+  kolla_docker:
+    action: "pull_image"
+    common_options: "{{ docker_common_options }}"
+    image: "{{ keepalived_image_full }}"
+  when: inventory_hostname in groups['haproxy']
+
+- name: Pulling haproxy image
+  kolla_docker:
+    action: "pull_image"
+    common_options: "{{ docker_common_options }}"
+    image: "{{ haproxy_image_full }}"
+  when: inventory_hostname in groups['haproxy']