add retries to docker pull

loomengine/client/playbooks/tasks/pull_docker_images.yml

@@ -1,15 +1,43 @@
   - name: Pull Loom image.
     docker_image: name={{loom_docker_image}} api_version=auto force=True
+    register: result
+    until: not result['failed']
+    retries: 10
+    delay: 10
   - name: Pull NGINX image.
     docker_image: name={{nginx_image}} api_version=auto force=True
+    register: result
+    until: not result['failed']
+    retries: 10
+    delay: 10
   - name: Pull RabbitMQ image.
     docker_image: name={{rabbitmq_image}} api_version=auto force=True
+    register: result
+    until: not result['failed']
+    retries: 10
+    delay: 10
   - name: Pull MySQL image when needed.
     docker_image: name={{mysql_image}} api_version=auto force=True
     when: mysql_create_docker_container
+    register: result
+    until: not result['failed']
+    retries: 10
+    delay: 10
   - name: Pull Fluentd image.
     docker_image: name={{fluentd_image}} api_version=auto force=True
+    register: result
+    until: not result['failed']
+    retries: 10
+    delay: 10
   - name: Pull Elasticsearch image.
     docker_image: name={{elasticsearch_image}} api_version=auto force=True
+    register: result
+    until: not result['failed']
+    retries: 10
+    delay: 10
   - name: Pull Kibana image.
     docker_image: name={{kibana_image}} api_version=auto force=True
+    register: result
+    until: not result['failed']
+    retries: 10
+    delay: 10

loomengine/client/playbooks/tasks/pull_worker_docker_images.yml

@@ -1,4 +1,12 @@
   - name: Pull Loom image.
     docker_image: name={{loom_docker_image}} api_version=auto
+    register: result
+    until: not result['failed']
+    retries: 10
+    delay: 10
   - name: Pull task run image.
     docker_image: name={{task_attempt_docker_image}} api_version=auto
+    register: result
+    until: not result['failed']
+    retries: 10
+    delay: 10