Ensure installation of same openstack client

roles/keystone/tasks/main.yml

@@ -52,7 +52,7 @@
   delay: 3
   ignore_errors: yes
 
-- name: keystone manage commands to setup db
+- name: keystone manage commands to setup db_sync
   command: >
              /usr/bin/docker run --rm
              --add-host=mariadb:{{ listen_ip | default(hostvars[groups['databases'][0]]['ansible_default_ipv4']['address']) }}
@@ -90,12 +90,18 @@
              -e "OS_AUTH_URL=http://${KEYSTONE_HOST}:35357/v3"
              -e "OS_PASSWORD={{ secrets['OS_PASSWORD'] }}"
              {{ docker_image }} bash /etc/bootstrap.sh
+  register: result
+  retries: 7
+  delay: 3
 
+- name: install openstack repo host key.
+  command: apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 5EDB1B62EC4926EA
+  tags: openstackclient
 
 - name: install openstack repo on host.
-  command: >
-      echo "deb http://ubuntu-cloud.archive.canonical.com/ubuntu xenial-updates/ocata main" > /etc/apt/sources.list.d/ocata.list &&
-      apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 5EDB1B62EC4926EA
+  apt_repository:
+      repo: "deb http://ubuntu-cloud.archive.canonical.com/ubuntu xenial-updates/ocata main"
+      filename: ocata
   tags: openstackclient
 
 - name: install openstack client for management