[GitHub] rabbah commented on a change in pull request #3806: add register and until to ansible invoker pull runtime images tasks

[GitBox <gi...@apache.org>]

rabbah commented on a change in pull request #3806: add register and until to ansible invoker pull runtime images tasks
URL: https://github.com/apache/incubator-openwhisk/pull/3806#discussion_r197960649
 
 

 ##########
 File path: ansible/roles/controller/tasks/deploy.yml
 ##########
 @@ -13,10 +13,10 @@
       "{{ (controller_index_base|int) + host_group.index(inventory_hostname) }}"
 
 - name: "pull the {{ docker.image.tag }} image of controller"
-  shell:
-    docker pull
-    {{ docker_registry~docker.image.prefix }}/controller:{{docker.image.tag}}
+  shell: "docker pull {{docker_registry}}{{ docker.image.prefix }}/controller:{{docker.image.tag}}"
   when: docker_registry != ""
+  register: result
+  until: (result.rc == 0)
 
 Review comment:
   How do these retries interact with existing retries?

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