Ensure docker running before execute the destroy action

Before cleanup containers and hosts, it should be ensure the
docker serivce running but the destroy action missing it,
this patch to fix it

Change-Id: I85ca806c1fd395daf937b585d466e16fbad4e20c
Closes-Bug: #1741852

ansible/roles/destroy/tasks/main.yml

@@ -1,6 +1,8 @@
 ---
 - include: copy_tools.yml
 
+- include: validate_docker_execute.yml
+
 - include: cleanup_containers.yml
 
 - include: cleanup_images.yml

ansible/roles/destroy/tasks/validate_docker_execute.yml

@@ -0,0 +1,3 @@
+---
+- name: Ensure the docker service is running
+  command: /tmp/kolla-cleanup/tools/validate-docker-execute.sh

tools/cleanup-images

@@ -4,8 +4,6 @@
 REAL_PATH=$(python -c "import os,sys;print os.path.realpath('$0')")
 cd "$(dirname "$REAL_PATH")/.."
 
-. tools/validate-docker-execute.sh
-
 function process_cmd {
     if [[ -z "$KOLLA_IMAGES" ]]; then
         echo "No images to cleanup, exit now."