Change for running as a non-root user (#276)

* Enable running container as mqm

* Fix merge problem

* Don't force root usage

* RHEL image runs as mqm instead of root

* Build on host with SELinux enabled

* Enable building on node in an OpenShift cluster

* Enable running container as mqm

* Fix merge problem

* Don't force root usage

* Merge lastest changes from master

* RHEL image runs as mqm instead of root

* Fix merge issues

* Test changes for non-root

* Make timeout properly, and more non-root test fixes

* Run tests with fewer/no capabilities

* Correct usage docs for non-root

* Add security docs

* Add temporary debug output

* Remove debug code

* Fixes for termination-log

* Allow init container to run as root

* Fixes for CentOS build

* Fixes for RHEL build

* Logging improvements

* Fix Dockerfile RHEL/CentOS build

* Fix bash error

* Make all builds specify UID

* Use redist client for Go SDK

* Inspect image before running tests

* New test for init container

* Log container runtime in runmqdevserver

* Add extra capabilities if using a RHEL image

incubating/mq-sdk/Dockerfile

@@ -1,4 +1,4 @@
-# © Copyright IBM Corporation 2018
+# © Copyright IBM Corporation 2018, 2019
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -23,6 +23,8 @@ ARG MQ_URL
 # The packages to install in install-mq.sh
 ARG MQ_PACKAGES
 
+ARG MQM_UID=999
+
 COPY install-mq.sh /usr/local/bin/
 
 # Install MQ.  To avoid a "text file busy" error here, we sleep before installing.
@@ -30,6 +32,6 @@ COPY install-mq.sh /usr/local/bin/
 # errors with some commands (e.g. `dspmqver`)
 RUN chmod u+x /usr/local/bin/install-mq.sh \
   && sleep 1 \
-  && install-mq.sh \
+  && install-mq.sh $MQM_UID \
   && rm -rf /var/mqm \
   && /opt/mqm/bin/crtmqdir -f -s