Add "loopback_users" configuration snippet to the 3.9 image (#501)

This allows the default user to connect from outside the running
container, which has been the case for the 3.8 series, but is not
currently the case with the 3.9 rc

Co-authored-by: Joe Ferguson <yosifkit@gmail.com>

Author: HoloRin

.gitattributes

@@ -1,3 +1,4 @@
+/*/**/*.conf                linguist-generated
 /*/**/Dockerfile            linguist-generated
 /*/**/docker-entrypoint.sh  linguist-generated
 /Dockerfile*.template       linguist-language=Dockerfile

10-default-guest-user.conf

@@ -0,0 +1,8 @@
+## DEFAULT SETTINGS ARE NOT MEANT TO BE TAKEN STRAIGHT INTO PRODUCTION
+## see https://www.rabbitmq.com/configure.html for further information
+## on configuring RabbitMQ
+
+## allow access to the guest user from anywhere on the network
+## https://www.rabbitmq.com/access-control.html#loopback-users
+## https://www.rabbitmq.com/production-checklist.html#users
+loopback_users.guest = false

3.9-rc/alpine/10-default-guest-user.conf

@@ -270,6 +270,9 @@ VOLUME $RABBITMQ_DATA_DIR
 # https://docs.docker.com/samples/library/ubuntu/#locales
 ENV LANG=C.UTF-8 LANGUAGE=C.UTF-8 LC_ALL=C.UTF-8
 
+{{ if ([ "3.8", "3.8-rc" ] | index(env.version)) then "" else ( -}}
+COPY --chown=rabbitmq:rabbitmq 10-default-guest-user.conf /etc/rabbitmq/conf.d/
+{{ ) end -}}
 COPY docker-entrypoint.sh /usr/local/bin/
 ENTRYPOINT ["docker-entrypoint.sh"]
 

3.9-rc/alpine/Dockerfile

@@ -288,6 +288,9 @@ VOLUME $RABBITMQ_DATA_DIR
 # https://docs.docker.com/samples/library/ubuntu/#locales
 ENV LANG=C.UTF-8 LANGUAGE=C.UTF-8 LC_ALL=C.UTF-8
 
+{{ if ([ "3.8", "3.8-rc" ] | index(env.version)) then "" else ( -}}
+COPY --chown=rabbitmq:rabbitmq 10-default-guest-user.conf /etc/rabbitmq/conf.d/
+{{ ) end -}}
 COPY docker-entrypoint.sh /usr/local/bin/
 ENTRYPOINT ["docker-entrypoint.sh"]
 

3.9-rc/ubuntu/10-default-guest-user.conf

@@ -48,6 +48,10 @@ for version; do
 		fi
 		cp -a "$entrypoint" "$version/$variant/docker-entrypoint.sh"
 
+		if [ "$rcVersion" != '3.8' ]; then
+			cp 10-default-guest-user.conf "$version/$variant/"
+		fi
+
 		if [ "$variant" = 'alpine' ]; then
 			sed -i -e 's/gosu/su-exec/g' "$version/$variant/docker-entrypoint.sh"
 		fi