Merge pull request #17 from rabbitmq/improve-rabbitmq-healthcheck

Improve RabbitMQ HEALTHCHECK

rabbitmq/docker-healthcheck

@@ -1,11 +1,14 @@
 #!/bin/bash
 set -eo pipefail
 
-host="$(hostname -s || echo 'localhost')"
-export RABBITMQ_NODENAME="${RABBITMQ_NODENAME:-"rabbit@$host"}"
+# A RabbitMQ node is considered healthy if all the below are true:
+# * the rabbit app finished booting & it's running
+# * there are no alarms
+# * there is at least 1 active listener
 
-if rabbitmqctl status; then
-	exit 0
-fi
-
-exit 1
+rabbitmqctl eval '
+{ true, rabbit_app_booted_and_running } = { rabbit:is_booted(node()), rabbit_app_booted_and_running },
+{ [], no_alarms } = { rabbit:alarms(), no_alarms },
+[] /= rabbit_networking:active_listeners(),
+rabbitmq_node_is_healthy.
+' || exit 1