added retries docker running (#731)

Author: eugenegubich

app/docker.sls

@@ -80,6 +80,12 @@ docker_app_container_{{ loop.index }}:
     - networks: {{ app["networks"] | replace("__APP_NAME__", app_name) }}
       {%- endif %}
     - privileged: {{ app["privileged"] | default(False) }}
+      {%- if app["retries_docker_running"] is defined %}
+    - retry:
+        attempts: {{ app["retries_docker_running"] }}
+        interval: {{ app.get("retries_interval_docker_running", 5) }}
+        until: True
+      {%- endif %}
       {%- if "command" in app %}
     - command : {{ app["command"] }}
       {%- endif %}

app/pillar.example

@@ -301,6 +301,8 @@ app:
           ... # see above
         binds: # optional, see https://docs.saltproject.io/en/latest/ref/states/all/salt.states.docker_container.html#salt.states.docker_container.running, salt has different meaning for binds
           - /var/www/proto/app/data:/app/data:rw
+        #retries_docker_running: 3 # optional, retries for docker_container.running only
+        #retries_interval_docker_running: 5 # optional, seconds between retries, works only if retries_docker_running count is defined
         #volumes: # optional
         #  - ...
         #volumes_from: ... # optional