Discovery was missed during the initial ansible work

This let a machine boot without migrations running.

playbooks/roles/supervisor/files/pre_supervisor_checks.py

@@ -19,6 +19,7 @@ MIGRATION_COMMANDS = {
         'insights':      ". {env_file}; {python} {code_dir}/manage.py migrate --noinput --list",
         'analytics_api': ". {env_file}; {python} {code_dir}/manage.py migrate --noinput --list",
         'credentials':   ". {env_file}; {python} {code_dir}/manage.py migrate --noinput --list",
+        'discovery':     ". {env_file}; {python} {code_dir}/manage.py migrate --noinput --list",
     }
 HIPCHAT_USER = "PreSupervisor"
 
@@ -111,6 +112,15 @@ if __name__ == '__main__':
     credentials_migration_args.add_argument("--credentials-code-dir",
         help="Location to of the credentials code.")
 
+    discovery_migration_args = parser.add_argument_group("discovery_migrations",
+            "Args for running discovery migration checks.")
+    discovery_migration_args.add_argument("--discovery-python",
+        help="Path to python to use for executing migration check.")
+    discovery_migration_args.add_argument("--discovery-env",
+        help="Location of the discovery environment file.")
+    discovery_migration_args.add_argument("--discovery-code-dir",
+        help="Location to of the discovery code.")
+
     insights_migration_args = parser.add_argument_group("insights_migrations",
             "Args for running insights migration checks.")
     insights_migration_args.add_argument("--insights-python",
@@ -233,6 +243,7 @@ if __name__ == '__main__':
                         "ecommerce": {'python': args.ecommerce_python, 'env_file': args.ecommerce_env, 'code_dir': args.ecommerce_code_dir},
                         "programs": {'python': args.programs_python, 'env_file': args.programs_env, 'code_dir': args.programs_code_dir},
                         "credentials": {'python': args.credentials_python, 'env_file': args.credentials_env, 'code_dir': args.credentials_code_dir},
+                        "discovery": {'python': args.discovery_python, 'env_file': args.discovery_env, 'code_dir': args.discovery_code_dir},
                         "insights": {'python': args.insights_python, 'env_file': args.insights_env, 'code_dir': args.insights_code_dir},
                         "analytics_api": {'python': args.analytics_api_python, 'env_file': args.analytics_api_env, 'code_dir': args.analytics_api_code_dir}
                     }

playbooks/roles/supervisor/templates/etc/init/pre_supervisor.conf.j2

@@ -17,4 +17,11 @@ setuid {{ supervisor_user }}
   {% set credentials_command = "" %}
 {% endif %}
 
-exec {{ supervisor_venv_dir }}/bin/python {{ supervisor_app_dir }}/pre_supervisor_checks.py --available={{ supervisor_available_dir }} --enabled={{ supervisor_cfg_dir }} {% if SUPERVISOR_HIPCHAT_API_KEY is defined %}--hipchat-api-key {{ SUPERVISOR_HIPCHAT_API_KEY }} --hipchat-room {{ SUPERVISOR_HIPCHAT_ROOM }} {% endif %} {% if edxapp_code_dir is defined %}--edxapp-python {{ COMMON_BIN_DIR }}/python.edxapp --edxapp-code-dir {{ edxapp_code_dir }} --edxapp-env {{ edxapp_app_dir }}/edxapp_env{% endif %} {% if xqueue_code_dir is defined %}--xqueue-code-dir {{ xqueue_code_dir }} --xqueue-python {{ COMMON_BIN_DIR }}/python.xqueue {% endif %} {% if ecommerce_code_dir is defined %}--ecommerce-env {{ ecommerce_home }}/ecommerce_env --ecommerce-code-dir {{ ecommerce_code_dir }} --ecommerce-python {{ COMMON_BIN_DIR }}/python.ecommerce {% endif %} {% if insights_code_dir is defined %}--insights-env {{ insights_home }}/insights_env --insights-code-dir {{ insights_code_dir }} --insights-python {{ COMMON_BIN_DIR }}/python.insights {% endif %} {% if analytics_api_code_dir is defined %}--analytics-api-env {{ analytics_api_home }}/analytics_api_env --analytics-api-code-dir {{ analytics_api_code_dir }} --analytics-api-python {{ COMMON_BIN_DIR }}/python.analytics_api {% endif %} {{ programs_command }} {{ credentials_command }}
+{% if discovery_code_dir is defined %}
+  {% set discovery_command = "--discovery-env " + discovery_home + "/discovery_env --discovery-code-dir " + discovery_code_dir + " --discovery-python " + COMMON_BIN_DIR + "/python.discovery" %}
+{% else %}
+  {% set discovery_command = "" %}
+{% endif %}
+
+
+exec {{ supervisor_venv_dir }}/bin/python {{ supervisor_app_dir }}/pre_supervisor_checks.py --available={{ supervisor_available_dir }} --enabled={{ supervisor_cfg_dir }} {% if SUPERVISOR_HIPCHAT_API_KEY is defined %}--hipchat-api-key {{ SUPERVISOR_HIPCHAT_API_KEY }} --hipchat-room {{ SUPERVISOR_HIPCHAT_ROOM }} {% endif %} {% if edxapp_code_dir is defined %}--edxapp-python {{ COMMON_BIN_DIR }}/python.edxapp --edxapp-code-dir {{ edxapp_code_dir }} --edxapp-env {{ edxapp_app_dir }}/edxapp_env{% endif %} {% if xqueue_code_dir is defined %}--xqueue-code-dir {{ xqueue_code_dir }} --xqueue-python {{ COMMON_BIN_DIR }}/python.xqueue {% endif %} {% if ecommerce_code_dir is defined %}--ecommerce-env {{ ecommerce_home }}/ecommerce_env --ecommerce-code-dir {{ ecommerce_code_dir }} --ecommerce-python {{ COMMON_BIN_DIR }}/python.ecommerce {% endif %} {% if insights_code_dir is defined %}--insights-env {{ insights_home }}/insights_env --insights-code-dir {{ insights_code_dir }} --insights-python {{ COMMON_BIN_DIR }}/python.insights {% endif %} {% if analytics_api_code_dir is defined %}--analytics-api-env {{ analytics_api_home }}/analytics_api_env --analytics-api-code-dir {{ analytics_api_code_dir }} --analytics-api-python {{ COMMON_BIN_DIR }}/python.analytics_api {% endif %} {{ programs_command }} {{ discovery_command }} {{ credentials_command }}