Fix for Ansible 2.1: install docker-py in version matched to ansible docker module

Signed-off-by: KGoreczny <krzysztof.goreczny@intel.com>

roles/ceph-mds/tasks/docker/pre_requisite.yml

@@ -115,3 +115,13 @@
     version: 1.1.0
   tags:
     with_pkg
+  when: ansible_version['full'] | version_compare('2.1.0.0', '<') 
+ 
+- name: install docker-py
+  pip:
+    name: docker-py
+    state: latest
+  tags:
+    with_pkg
+  when: ansible_version['full'] | version_compare('2.1.0.0', '>=') 
+

roles/ceph-mon/tasks/docker/pre_requisite.yml

@@ -117,3 +117,12 @@
     version: 1.1.0
   tags:
     with_pkg
+  when: ansible_version['full'] | version_compare('2.1.0.0', '<') 
+ 
+- name: install docker-py
+  pip:
+    name: docker-py
+    state: latest
+  tags:
+    with_pkg
+  when: ansible_version['full'] | version_compare('2.1.0.0', '>=') 

roles/ceph-osd/tasks/docker/pre_requisite.yml

@@ -116,3 +116,12 @@
     version: 1.1.0
   tags:
     with_pkg
+  when: ansible_version['full'] | version_compare('2.1.0.0', '<') 
+ 
+- name: install docker-py
+  pip:
+    name: docker-py
+    state: latest
+  tags:
+    with_pkg
+  when: ansible_version['full'] | version_compare('2.1.0.0', '>=')