Fixed the Mistral Docker build job

Change-Id: I4d969d2a3b1c51dd1f2b55bf4d678e09c33e85f7

docker_image_build.sh

@@ -1,16 +0,0 @@
-#!/bin/bash -xe
-
-# TODO (akovi): This script is needed practically only for the CI builds.
-# Should be moved to some other place
-
-# install docker
-curl -fsSL https://get.docker.com/ | sh
-
-sudo service docker restart
-
-sudo -E docker pull ubuntu:14.04
-
-# build image
-sudo -E tools/docker/build.sh
-
-sudo -E docker save mistral-all | gzip > mistral-docker.tar.gz

playbooks/docker-buildimage/run.yaml

@@ -1,6 +1,20 @@
 - hosts: all
+  vars:
+    work_dir: '{{ ansible_user_dir }}/src/{{ zuul.project.canonical_name }}'
   tasks:
-    - shell:
-        cmd: |
-          ./docker_image_build.sh
-        chdir: '{{ ansible_user_dir }}/src/{{ zuul.project.canonical_name }}'
+    - name: Install Docker
+      shell: curl -fsSL https://get.docker.com/ | sh
+      args:
+        chdir: '{{ work_dir }}'
+
+    - name: Restart Docker service
+      service:
+        name: docker
+        state: restarted
+
+    - name: Build and archive a Mistral image
+      docker_image:
+        name: mistral
+        path: '{{ work_dir }}'
+        dockerfile: '{{ work_dir }}/tools/docker/Dockerfile'
+        archive_path: '{{ work_dir}}}/mistral-docker.tar.gz'