Proposed wrapper container for review

Dockerfile

@@ -1,32 +1,6 @@
-FROM centos:centos7
+FROM rabbitmq:3.7-management
 MAINTAINER  ethan@unc.edu ekromhout@gmail.com
-RUN yum -y install epel-release && yum -y update && yum -y install pwgen rabbitmq-server supervisor wget
-ENV RABBITMQ_LOGS=- RABBITMQ_SASL_LOGS=-
-RUN /usr/lib/rabbitmq/bin/rabbitmq-plugins enable rabbitmq_management
-RUN /usr/lib/rabbitmq/bin/rabbitmq-plugins enable rabbitmq_tracing
-RUN sed -i s/'%% {load_definitions, .*"},'/'{load_definitions, "\/etc\/rabbitmq\/rabbitmq.json"}'/ /etc/rabbitmq/rabbitmq.config
-# Installing Zulu Java
-RUN rpm --import http://repos.azulsystems.com/RPM-GPG-KEY-azulsystems \
-       && curl -o /etc/yum.repos.d/zulu.repo http://repos.azulsystems.com/rhel/zulu.repo \
-       && yum -y install zulu-8
-#ENV JAVA_VERSION=8u171
-#ENV BUILD_VERSION=b11
-#ENV JAVA_BUNDLE_ID=512cd62ec5174c3487ac17c61aaa89e8
-#     ==> By uncommenting these next 6 lines, you agree to the Oracle Binary Code License Agreement for Java SE (http://www.oracle.com/technetwork/java/javase/terms/license/index.html)
-#RUN wget -nv --no-cookies --no-check-certificate --header "Cookie: oraclelicense=accept-securebackup-cookie" "http://download.oracle.com/otn-pub/java/jdk/$JAVA_VERSION-$BUILD_VERSION/$JAVA_BUNDLE_ID/jdk-$JAVA_VERSION-linux-x64.rpm" -O /tmp/jdk-$JAVA_VERSION-$BUILD_VERSION-linux-x64.rpm && \
-#     yum -y install /tmp/jdk-$JAVA_VERSION-$BUILD_VERSION-linux-x64.rpm && \
-#     rm -f /tmp/jdk-$JAVA_VERSION-$BUILD_VERSION-linux-x64.rpm && \
-#     alternatives --install /usr/bin/java jar $JAVA_HOME/bin/java 200000 && \
-#     alternatives --install /usr/bin/javaws javaws $JAVA_HOME/bin/javaws 200000 && \
-#     alternatives --install /usr/bin/javac javac $JAVA_HOME/bin/javac 200000
-
-RUN sed -i s/'nodaemon=false'/'nodaemon=true'/ /etc/supervisord.conf
-COPY rabbitmqctl.sh /root/
-COPY rabbittrace-0.1-jar-with-dependencies.jar /root/
-COPY trace.ini /etc/supervisord.d/
-COPY rabbitmq.ini /etc/supervisord.d/
-COPY rabbitmqctl.ini /etc/supervisord.d/
-COPY rabbitmq.json /etc/rabbitmq/
-COPY rabbittrace-0.1-jar-with-dependencies.jar /root/
-EXPOSE 5672 15672 4369 25672
-CMD ["supervisord","-c","/etc/supervisord.conf"]
+ENV RABBITMQ_LOGS=/tmp/lograbbitmq RABBITMQ_SASL_LOGS=/tmp/lograbbitmq
+COPY container_files/usr-local-bin/ /usr/local/bin/
+ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]
+CMD ["rabbitmq-server"]

README.md

@@ -1,13 +1,9 @@
-# rabbitmq-docker
+# rabbitmq
 
-This container has rabbitmq built on centos latest
-and has a Java based trace class that uses rabbitmq
-firehose tracing to write message traces to 
-/var/log/rabbitmq/trace.log as well as to stdout.
-
-Supervisor is used to start rabbitmq-server and Java
-for the trace class, as well as to turn on rabbitmq 
-tracing.
+This is a wrapper container for the mainstream
+rabbitmq-management container. It adds logging
+in the TIER format including the ENV and USERTOKEN
+environment variables.
 
 Ethan Kromhout ethan@kromhout.us ethan@unc.edu
 

container_files/usr-local-bin/entrypoint.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+. /usr/local/bin/library.sh
+prepConf
+exec "$@"

container_files/usr-local-bin/library.sh

@@ -0,0 +1,24 @@
+#!/bin/sh
+
+setupPipe() {
+    if [ -e $1 ]; then
+        rm $1
+    fi
+    mkfifo -m 666 $1
+}
+
+setupLoggingPipe() {
+    # Make a "console" logging pipe that anyone can write too regardless of who owns the process.
+    setupPipe /tmp/logpipe
+    cat <> /tmp/logpipe &
+}
+
+# Make a formatted stream to the logging pipe from rabbitmq
+setupRabbitmqLog() {
+    (tail -F /tmp/lograbbitmq | sed -u -r "s/^/rabbitmq\;console\;$ENV\;$USERTOKEN\;/" > /tmp/logpipe) &
+}
+
+prepConf() {
+    setupLoggingPipe
+    setupRabbitmqLog
+}