Improved containers detection for metadata

So after trying my own method I've found rooks to be
superior, this commit takes a more careful look at
what docker on the overcloud is running and handles
the three possible cases, containers, docker installed
but not containerized, and no docker installed at all.`

Change-Id: I1bb5de82654a23f79e381705c63176580b170c91

ansible/oooq/roles/oooq-metadata/tasks/main.yml

@@ -6,12 +6,23 @@
   register: build
   ignore_errors: true
 
-- name: Determine if deployment is containerized
-  stat:
-    path: /usr/lib/systemd/system/docker.service
-  register: docker_service_file
+- name: Determine if docker is running
+  shell: docker ps | wc -l
+  register: docker_ps
   delegate_to: overcloud-controller-0
-  become: True
+  ignore_errors: True
+
+- name: Set var for container deployment
+  set_fact:
+    containers: True
+  when: docker_ps.stdout|int > 1
+  ignore_errors: True
+
+- name: Set fact for non-container deployment
+  set_fact:
+    containers: False
+  when: docker_ps.stdout|int < 2
+  ignore_errors: True
 
 - name: Make sure the results directory exists
   file: "path={{ ansible_env.HOME }}/browbeat/metadata state=directory"

ansible/oooq/roles/oooq-metadata/templates/version.json.j2

@@ -5,10 +5,13 @@
     {% set series = {"rhos-7": "7", "rhos-8": "8", "rhos-9": "9", "rhos-10": "10", "rhos-11": "11", "rhos-12": "12", "rhos-13": "13", "master": "master"}[osp_release] | default("Unknown Version") -%}
     {% set version = {"rhos-7": "7-director", "rhos-8": "8-director", "rhos-9": "9-director", "rhos-10":"10-director", "rhos-11": "11-director", "rhos-12": "12-director", "rhos-13": "13-director", "master": "master-director"}[osp_release] | default("Unknown Version") -%}
 {% endif %}
+{% if containers is not defined %}
+{% set containers = False %}
+{% endif %}
 {
     "osp_series": "{{series}}",
     "osp_version": "{{version}}",
-    "containerized:": "{{docker_service_file.stat.exists}}",
+    "containerized:": "{{containers}}",
     "dlrn_hash": "{{dlrn_hash}}",
     "logs_link": "{{logs_link}}",
     "rhos_puddle": "{{rhos_puddle}}",