pass the list of packages to package management modules

Instead of looping over a list of packages or repeating the task
separately for different packages, pass the list of packages to the
task performing package management.

Signed-off-by: Rishabh Dave <ridave@redhat.com>

infrastructure-playbooks/purge-docker-cluster.yml

@@ -523,27 +523,11 @@
 
   - name: red hat based systems tasks
     block:
-      - name: remove epel-release on redhat
-        yum:
-          name: epel-release
-          state: absent
-
       - name: yum related tasks on red hat
         block:
-          - name: remove pip on redhat
+          - name: remove packages on redhat
             yum:
-              name: python-pip
-              state: absent
-
-          - name: remove docker-engine on redhat
-            yum:
-              name: docker-engine
-              state: absent
-
-          # for CentOS
-          - name: remove docker on redhat
-            yum:
-              name: docker
+              name: ['epel-release', 'python-pip', 'docker-engine', 'docker']
               state: absent
 
           - name: remove package dependencies on redhat

roles/ceph-docker-common/tasks/pre_requisites/debian_prerequisites.yml

@@ -1,14 +1,9 @@
 ---
 - name: allow apt to use a repository over https (debian)
   package:
-    name: "{{ item }}"
+    name: ['apt-transport-https', 'ca-certificates', 'curl', 'software-properties-common']
     state: present
     update_cache: yes
-  with_items:
-    - apt-transport-https
-    - ca-certificates
-    - curl
-    - software-properties-common
 
 - name: add docker's gpg key
   apt_key:

roles/ceph-docker-common/tasks/pre_requisites/prerequisites.yml

@@ -22,17 +22,11 @@
   block:
     - name: install docker on ubuntu
       package:
-        name: docker.io
+        name: ['docker.io', 'python-docker']
         state: present
         update_cache: yes
       tags:
         with_pkg
-    - name: install python-docker on ubuntu
-      package:
-        name: python-docker
-        state: present
-      tags:
-        with_pkg
   when:
     - ansible_distribution == 'Ubuntu'
 
@@ -52,13 +46,7 @@
   block:
     - name: install python-docker-py on red hat / centos
       package:
-        name: python-docker-py
-        state: present
-      tags:
-        with_pkg
-    - name: install docker on red hat / centos
-      package:
-        name: docker
+        name: ['docker', 'python-docker-py']
         state: present
       tags:
         with_pkg

roles/ceph-nfs/tasks/pre_requisite_non_container_debian.yml

@@ -55,14 +55,14 @@
             update_cache: yes
         - name: install nfs rgw/cephfs gateway - debian
           apt:
-            name: "{{ item.name }}"
+            name: ['nfs-ganesha-rgw', 'radosgw']
             allow_unauthenticated: yes
-          with_items:
-            - { name: 'nfs-ganesha-rgw', install: "{{ nfs_obj_gw }}" }
-            - { name: 'radosgw', install: "{{ nfs_obj_gw }}" }
-            - { name: 'nfs-ganesha-ceph', install: "{{ nfs_file_gw }}" }
-          when:
-            - item.install | bool
+          when: nfs_obj_gw
+        - name: install nfs rgw/cephfs gateway - debian
+          apt:
+            name: nfs-ganesha-ceph
+            allow_unauthenticated: yes
+          when: nfs_file_gw
       when:
         - (ceph_origin == 'repository' or ceph_origin == 'distro')
         - ceph_repository != 'rhcs'

roles/ceph-nfs/tasks/pre_requisite_non_container_red_hat.yml

@@ -45,10 +45,7 @@
 
     - name: install redhat nfs-ganesha-rgw and ceph-radosgw packages
       package:
-        name: "{{ item }}"
+        name: ['nfs-ganesha-rgw', 'ceph-radosgw']
         state: "{{ (upgrade_ceph_packages|bool) | ternary('latest','present') }}"
-      with_items:
-        - nfs-ganesha-rgw
-        - ceph-radosgw
       when:
         - nfs_obj_gw