[AAI-2178] Run container process as non-root

Issue-ID: AAI-2178

Change-Id: I27ef1334c4fae1c564d4ee62bdd991f9ff2a559a
Signed-off-by: rajeevme <rajeev.mehta@amdocs.com>
diff --git a/src/main/bin/start.sh b/src/main/bin/start.sh
index 1dedb25..c618cd6 100644
--- a/src/main/bin/start.sh
+++ b/src/main/bin/start.sh
@@ -37,6 +37,31 @@
     exit 1
 fi
 
+# Changes related to:AAI-2178
+# Change aai model-loader  container processes to run as non-root on the host
+USER_ID=${LOCAL_USER_ID:-9001}
+GROUP_ID=${LOCAL_GROUP_ID:-9001}
+ML_LOGS=/var/log/onap/AAI-ML
+
+if [ $(cat /etc/passwd | grep aaiadmin | wc -l) -eq 0 ]; then
+
+        groupadd aaiadmin -g ${GROUP_ID} || {
+                echo "Unable to create the group id for ${GROUP_ID}";
+                exit 1;
+        }
+        useradd --shell=/bin/bash -u ${USER_ID} -g ${GROUP_ID} -o -c "" -m aaiadmin || {
+                echo "Unable to create the user id for ${USER_ID}";
+                exit 1;
+        }
+fi;
+chown -R aaiadmin:aaiadmin ${MICRO_HOME}
+chown -R aaiadmin:aaiadmin ${AJSC_HOME}
+chown -R aaiadmin:aaiadmin ${ML_LOGS}
+find ${MICRO_HOME}  -name "*.sh" -exec chmod +x {} +
+
+gosu aaiadmin ln -s /logs $MICRO_HOME/logs
+JAVA_CMD="exec gosu aaiadmin java";
+###
 # Some properties are repeated here for debugging purposes.
 PROPS="-DAJSC_HOME=$AJSC_HOME"
 PROPS="$PROPS -DCONFIG_HOME=$CONFIG_HOME"
@@ -60,4 +85,4 @@
 JARFILE=$(ls ./model-loader*.jar);
 
 echo "java $java_runtime_arguments $PROPS -jar $JARFILE"
-java $java_runtime_arguments $PROPS -jar $JARFILE
+${JAVA_CMD}  $java_runtime_arguments $PROPS -jar $JARFILE
diff --git a/src/main/docker/Dockerfile b/src/main/docker/Dockerfile
index a523778..435a169 100644
--- a/src/main/docker/Dockerfile
+++ b/src/main/docker/Dockerfile
@@ -2,6 +2,33 @@
 
 ARG MICRO_HOME=/opt/app/model-loader
 
+# Additional optional steps for Ubuntu
+RUN if  ((uname -v | grep -i "ubuntu") || ( cat /etc/*release|grep -i "ubuntu")      ) ; then \
+   #####################################
+   #if JAVA doesnt exist then install it: 
+   ######################################
+   if type  java  2>/dev/null; then \ 	
+     echo "skipping java installation"; \  	
+   else \
+     apt-get update && apt-get install -y software-properties-common; \
+     ## sudo -E is required to preserve the environment. If you remove that line, it will most like freeze at this step
+     sudo -E add-apt-repository ppa:openjdk-r/ppa && apt-get update && apt-get install -y openjdk-8-jdk ; \
+     ## Setup JAVA_HOME, this is useful for docker commandline
+     JAVA_HOME=usr/lib/jvm/java-8-openjdk-amd64; \
+     export JAVA_HOME ; \
+   fi; \
+   ##########################################
+   #Install gosu if not present
+   ##########################################  
+   if type  gosu   2>/dev/null; then \     
+     echo "skipping gosu installation"; \
+   else \
+     set -x ; \
+     add-apt-repository -y ppa:tianon/gosu; \ 
+     sudo apt-get update; \
+     sudo apt-get install gosu; \
+   fi;\
+fi
 # Build up the deployment folder structure
 RUN mkdir -p $MICRO_HOME
 WORKDIR $MICRO_HOME