ARTEMIS-420 user switch when broker is service

artemis-cli/src/main/resources/org/apache/activemq/artemis/cli/commands/bin/artemis-service

@@ -6,9 +6,9 @@
 # to you under the Apache License, Version 2.0 (the
 # "License"); you may not use this file except in compliance
 # with the License.  You may obtain a copy of the License at
-# 
+#
 #   http://www.apache.org/licenses/LICENSE-2.0
-# 
+#
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
 # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
@@ -95,7 +95,11 @@ start() {
     return 1
   fi
 
-  nohup ${ARTEMIS_INSTANCE}/bin/artemis run > /dev/null 2> /dev/null &
+  if [ -z "$ARTEMIS_USER" -o `id -un` = "$ARTEMIS_USER" ] ; then
+    nohup ${ARTEMIS_INSTANCE}/bin/artemis run > /dev/null 2> /dev/null &
+  else
+    sudo -n -u ${ARTEMIS_USER} nohup ${ARTEMIS_INSTANCE}/bin/artemis run > /dev/null 2> /dev/null &
+  fi
 
   echo $! > "${PID_FILE}"