Cluster dev env: only run migrations on first node

tools/docker-compose/ansible/roles/sources/templates/docker-compose.yml.j2

@@ -18,6 +18,9 @@ services:
       SDB_PORT: {{ awx_sdb_port_start }}
       AWX_GROUP_QUEUES: tower
       RECEPTORCTL_SOCKET: /var/run/receptor/receptor.sock
+{% if loop.index == 1 %}
+      RUN_MIGRATIONS: 1
+{% endif %}
     links:
       - postgres
       - redis_{{ container_postfix }}

tools/docker-compose/bootstrap_development.sh

@@ -12,7 +12,13 @@ make awx-link
 
 # AWX bootstrapping
 make version_file
-make migrate
+
+if [[ -n "$RUN_MIGRATIONS" ]]; then
+    make migrate
+else
+    wait-for-migrations
+fi
+
 make init