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oozie-jetty-server.sh
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oozie-jetty-server.sh
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#!/usr/bin/env bash
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# 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 KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# Set Jetty related environment variables
setup_jetty_log_and_pid() {
if [ "${JETTY_OUT}" = "" ]; then
export JETTY_OUT=${OOZIE_LOG}/jetty.out
print "Setting JETTY_OUT: ${JETTY_OUT}"
else
print "Using JETTY_OUT: ${JETTY_OUT}"
fi
if [ "${JETTY_PID_FILE}" = "" ]; then
export JETTY_PID_FILE=${JETTY_DIR}/oozie.pid
print "Setting JETTY_PID_FILE: ${JETTY_PID_FILE}"
else
print "Using JETTY_PID_FILE: ${JETTY_PID_FILE}"
fi
}
setup_java_opts() {
if [ -z "${JAVA_HOME}" -a -z "${JRE_HOME}" ]; then
if ${darwin}; then
if [ -x '/usr/libexec/java_home' ] ; then
export JAVA_HOME=`/usr/libexec/java_home`
elif [ -d "/System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK/Home" ]; then
export JAVA_HOME="/System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK/Home"
fi
else
JAVA_PATH=`which java 2>/dev/null`
if [ "x${JAVA_PATH}" != "x" ]; then
JAVA_PATH=`dirname ${JAVA_PATH} 2>/dev/null`
fi
if [ "x${JRE_HOME}" = "x" ]; then
if [ -x /usr/bin/java ]; then
JRE_HOME=/usr
fi
fi
fi
if [ -z "${JAVA_HOME}" -a -z "${JRE_HOME}" ]; then
echo "Neither the JAVA_HOME nor the JRE_HOME environment variable is defined"
echo "At least one of these environment variable is needed to run this program"
exit 1
fi
fi
if [ -z "${JRE_HOME}" ]; then
JRE_HOME="${JAVA_HOME}"
fi
JAVA_BIN="${JRE_HOME}"/bin/java
echo "Using Java executable from ${JRE_HOME}"
}
setup_jetty_opts() {
echo "Using JETTY_OPTS: ${JETTY_OPTS}"
jetty_opts="-Doozie.home.dir=${OOZIE_HOME}";
jetty_opts="${jetty_opts} -Doozie.config.dir=${OOZIE_CONFIG}";
jetty_opts="${jetty_opts} -Doozie.log.dir=${OOZIE_LOG}";
jetty_opts="${jetty_opts} -Doozie.data.dir=${OOZIE_DATA}";
jetty_opts="${jetty_opts} -Doozie.instance.id=${OOZIE_INSTANCE_ID}";
jetty_opts="${jetty_opts} -Doozie.config.file=${OOZIE_CONFIG_FILE}";
jetty_opts="${jetty_opts} -Doozie.log4j.file=${OOZIE_LOG4J_FILE}";
jetty_opts="${jetty_opts} -Doozie.log4j.reload=${OOZIE_LOG4J_RELOAD}";
# add required native libraries such as compression codecs
jetty_opts="${jetty_opts} -Djava.library.path=${JAVA_LIBRARY_PATH}";
jetty_opts="${jetty_opts} -cp ${JETTY_DIR}/*:${JETTY_DIR}/dependency/*:${BASEDIR}/lib/*:${BASEDIR}/libtools/*:${JETTY_DIR}"
echo "Adding to JETTY_OPTS: ${jetty_opts}"
export JETTY_OPTS="${JETTY_OPTS} ${jetty_opts}"
}
start_jetty() {
if [ ! -z "${JETTY_PID_FILE}" ]; then
if [ -f "${JETTY_PID_FILE}" ]; then
if [ -s "${JETTY_PID_FILE}" ]; then
echo "Existing PID file found during start."
if [ -r "${JETTY_PID_FILE}" ]; then
PID=$(cat "${JETTY_PID_FILE}")
ps -p "$PID" >/dev/null 2>&1
if [ $? -eq 0 ] ; then
echo "Oozie server appears to still be running with PID $PID. Start aborted."
echo "If the following process is not a Jetty process, remove the PID file and try again:"
ps -f -p "$PID"
exit 1
else
echo "Removing/clearing stale PID file."
rm -f "${JETTY_PID_FILE}" >/dev/null 2>&1
if [ $? != 0 ]; then
if [ -w "${JETTY_PID_FILE}" ]; then
cat /dev/null > "${JETTY_PID_FILE}"
else
echo "Unable to remove or clear stale PID file. Start aborted."
exit 1
fi
fi
fi
else
echo "Unable to read PID file. Start aborted."
exit 1
fi
else
rm -f "$JETTY_PID_FILE" >/dev/null 2>&1
if [ $? != 0 ]; then
if [ ! -w "$JETTY_PID_FILE" ]; then
echo "Unable to remove or write to empty PID file. Start aborted."
exit 1
fi
fi
fi
fi
fi
${JAVA_BIN} ${JETTY_OPTS} org.apache.oozie.server.EmbeddedOozieServer >> "${JETTY_OUT}" 2>&1 &
PID=$!
if [ ${PID} ]; then
echo -n "Oozie server started"
fi
if [ ! -z "${JETTY_PID_FILE}" ]; then
echo -n $! > "${JETTY_PID_FILE}"
echo -n " - PID: ${PID}."
fi
echo
}
run_jetty() {
${JAVA_BIN} ${JETTY_OPTS} org.apache.oozie.server.EmbeddedOozieServer
}
#TODO allow users to force kill jetty. Add --force
stop_jetty() {
if [ ! -z "${JETTY_PID_FILE}" ]; then
if [ -f "${JETTY_PID_FILE}" ]; then
if [ -s "${JETTY_PID_FILE}" ]; then
kill -0 "$(cat "${JETTY_PID_FILE}")" >/dev/null 2>&1
if [ $? -gt 0 ]; then
echo "PID file found but no matching process was found. Stop aborted."
exit 1
fi
else
echo "PID file is empty and has been ignored."
fi
else
echo "\$JETTY_PID_FILE was set but the specified file does not exist. Is Oozie server running? Stop aborted."
exit 1
fi
fi
kill "$(cat "${JETTY_PID_FILE}")"
RETRY_COUNT=5
if [ ! -z "${JETTY_PID_FILE}" ]; then
if [ -f "${JETTY_PID_FILE}" ]; then
while [ $RETRY_COUNT -ge 0 ]; do
kill -0 "$(cat ${JETTY_PID_FILE})" >/dev/null 2>&1
if [ $? -gt 0 ]; then
rm -f "${JETTY_PID_FILE}" >/dev/null 2>&1
if [ $? != 0 ]; then
if [ -w "${JETTY_PID_FILE}" ]; then
cat /dev/null > "${JETTY_PID_FILE}"
else
echo "Oozie server stopped but the PID file could not be removed or cleared."
fi
fi
break
fi
if [ ${RETRY_COUNT} -gt 0 ]; then
sleep 1
fi
if [ ${RETRY_COUNT} -eq 0 ]; then
echo "Oozie server did not stop in time. PID file was not removed."
fi
RETRY_COUNT=$((RETRY_COUNT - 1))
done
fi
fi
}
symlink_lib() {
test -e ${BASEDIR}/lib || ln -s ${JETTY_DIR}/webapp/WEB-INF/lib ${BASEDIR}/lib
}
jetty_main() {
source ${BASEDIR}/bin/oozie-sys.sh
JETTY_DIR=${BASEDIR}/embedded-oozie-server
setup_jetty_log_and_pid
setup_java_opts
setup_jetty_opts
actionCmd=$1
case $actionCmd in
(run)
${BASEDIR}/bin/oozie-setup.sh
symlink_lib
setup_ooziedb
run_jetty
;;
(start)
${BASEDIR}/bin/oozie-setup.sh
symlink_lib
setup_ooziedb
start_jetty
;;
(stop)
stop_jetty
;;
esac
}