No exec or trap in rabbitmq-script-wrapper?

[pikeas]

When starting RabbitMQ, the flow looks like this:

1. /usr/sbin/rabbitmq-server (https://github.com/rabbitmq/rabbitmq-server/blob/master/packaging/common/rabbitmq-script-wrapper)
2. /usr/lib/rabbitmq/bin/rabbitmq-server
3. Erlang

Step 2 calls step 3 with exec. However, step 1 does not use exec when calling step 2. It also doesn't trap SIGTERM. This causes an issue downstream in dockerfile/rabbitmq, which adds a step 0 script at /usr/local/bin/rabbitmq-start:

#!/bin/bash

ulimit -n 1024
chown -R rabbitmq:rabbitmq /data
exec rabbitmq-server $@

Is there any reason why exec is missing at step 1(/usr/sbin/rabbitmq-server)? It breaks the chain, causing issues with SIGTERM handling when RabbitMQ is run in a container.

[michaelklishin]

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