Add JRebel lib to glassfish-dev. Add init script to enable JRebel, JD…

…WP and/or JXM. #101 #124

docker/dataverse-k8s/glassfish-dev/Dockerfile

@@ -19,9 +19,18 @@ RUN mvn package -DskipTests
 FROM iqss/dataverse-k8s
 LABEL maintainer="FDM FZJ <forschungsdaten@fz-juelich.de>"
 
+ENV JREBEL_LIB=/opt/dataverse/jrebel/lib/libjrebel64.so
+RUN wget --no-verbose -O "${HOME_DIR}/jrebel.zip" http://dl.zeroturnaround.com/jrebel-stable-nosetup.zip && \
+    unzip -q "${HOME_DIR}/jrebel.zip" -d "${HOME_DIR}"
+
 # Copy files for the application
 COPY --chown=glassfish:glassfish --from=builder /target/dataverse-*.war ${HOME_DIR}/dvinstall/dataverse.war
 COPY --chown=glassfish:glassfish dataverse/scripts/api/data ${HOME_DIR}/dvinstall/data
 COPY --chown=glassfish:glassfish dataverse/scripts/api/*.sh ${HOME_DIR}/dvinstall/
 COPY --chown=glassfish:glassfish dataverse/scripts/database/reference_data.sql ${HOME_DIR}/dvinstall/
 COPY --chown=glassfish:glassfish dataverse/conf/jhove/* ${HOME_DIR}/dvinstall/
+
+# Copy across docker scripts
+COPY --chown=glassfish:glassfish docker/dataverse-k8s/bin/* docker/dataverse-k8s/glassfish/bin/* docker/dataverse-k8s/glassfish-dev/bin/* ${SCRIPT_DIR}/
+RUN mkdir -p ${SCRIPT_DIR}/init.d && \
+    chmod +x ${SCRIPT_DIR}/*

docker/dataverse-k8s/glassfish-dev/bin/init_0_enabledev.sh

@@ -0,0 +1,52 @@
+#!/bin/bash
+
+set -e
+
+###### ###### ###### ###### ###### ###### ###### ###### ###### ###### ######
+# This script enables different development options, like a JMX connector
+# usable with VisualVM, JRebel hot-reload support and JDWP debugger service.
+# Enable it by adding env vars on startup (e.g. via ConfigMap)
+###### ###### ###### ###### ###### ###### ###### ###### ###### ###### ######
+
+# 0. Init variables
+ENABLE_JMX=${ENABLE_JMX:-0}
+ENABLE_JDWP=${ENABLE_JDWP:-0}
+ENABLE_JREBEL=${ENABLE_JREBEL:-0}
+JDWP_PORT=${JDWP_PORT:-9009}
+
+# 1. if any options need to be set, start the server...
+if [ "x${ENABLE_JMX}" = "x1" ] ||  [ "x${ENABLE_JMX}" = "x1" ] || [ "x${ENABLE_JREBEL}" = "x1" ]; then
+  echo "Starting application server..."
+  asadmin start-domain
+fi
+
+# 2. Enable JMX (metrics + performance)
+if [ "x${ENABLE_JMX}" = "x1" ]; then
+  echo "Enabling JMX Remote on port 4000/4001. Remember you need to connect to localhost, e.g. via port-forwarding."
+  asadmin create-jvm-options "\-Dcom.sun.management.jmxremote"
+  asadmin create-jvm-options "\-Dcom.sun.management.jmxremote.port=4000"
+  asadmin create-jvm-options "\-Dcom.sun.management.jmxremote.rmi.port=4001"
+  asadmin create-jvm-options "\-Dcom.sun.management.jmxremote.ssl=false"
+  asadmin create-jvm-options "\-Dcom.sun.management.jmxremote.authenticate=false"
+  asadmin create-jvm-options "\-Djava.rmi.server.hostname=127.0.0.1"
+fi
+
+# 3. Enable JDWP (debugger)
+if [ "x${ENABLE_JDWP}" = "x1" ]; then
+  echo "Enabling JDWP debugger, listening on port ${JDWP_PORT} of this container/pod."
+  asadmin create-jvm-options "\-agentlib\:jdwp=transport=dt_socket,server=y,suspend=n,address=${JDWP_PORT}"
+fi
+
+# 4. Enable JRebel (hot-redeploy)
+if [ "x${ENABLE_JREBEL}" = "x1" ] && [ -s "${JREBEL_LIB}" ]; then
+  echo "Enabling JRebel support with enabled remoting_plugin option."
+  asadmin create-jvm-options "\-agentpath\:${JREBEL_LIB}"
+  asadmin create-jvm-options "\-Drebel.remoting_plugin=true"
+fi
+
+# 5. Stop the server
+# 1. if any options need to be set, start the server...
+if [ "x${ENABLE_JMX}" = "x1" ] ||  [ "x${ENABLE_JMX}" = "x1" ] || [ "x${ENABLE_JREBEL}" = "x1" ]; then
+  echo "Stopping application server..."
+  asadmin stop-domain
+fi