Last active
January 14, 2016 13:09
-
-
Save anthavio/2649639f3629f38e148e to your computer and use it in GitHub Desktop.
jstatd /etc/init.d script
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| #!/bin/sh | |
| # chkconfig: 345 99 05 | |
| # description: Java jstatd utility | |
| # Install | |
| # /etc/init.d/jstatd | |
| # chkconfig --add jstatd | |
| # Optional variables: | |
| # JAVA_HOME, JPS_BIN, JSTATD_BIN, JSTATD_PORT, POLICY_FILE | |
| # JPS_APP_ID, JVM_START_LOG, START_TIMEOUT, STOP_TIMEOUT, TIME_STEP | |
| DIRNAME=`dirname $0` | |
| PROGNAME=`basename $0` | |
| if [ "$JSTATD_PORT" == "" ]; then | |
| JSTATD_PORT=1099 | |
| fi | |
| if [ "$JSTATD_BIN" == "" ]; then | |
| if [ "$JAVA_HOME" != "" ]; then | |
| JSTATD_BIN=$JAVA_HOME/bin/jstatd | |
| else | |
| JSTATD_BIN=jstatd | |
| fi | |
| fi | |
| if ! command -v ${JSTATD_BIN} >/dev/null 2>&1; then | |
| echo "${JSTATD_BIN} not found or executable" | |
| exit 1 | |
| fi | |
| if [ "$JPS_BIN" == "" ]; then | |
| if [ "$JAVA_HOME" != "" ]; then | |
| JPS_BIN=$JAVA_HOME/bin/jps | |
| else | |
| JPS_BIN=jps | |
| fi | |
| fi | |
| if ! command -v ${JPS_BIN} >/dev/null 2>&1; then | |
| echo "${JPS_BIN} not found or executable" | |
| exit 1 | |
| fi | |
| if [ "$JPS_APP_ID" == "" ]; then | |
| JPS_APP_ID=jstatd-jvm-${JSTATD_PORT} | |
| fi | |
| if [ "$START_TIMEOUT" == "" ]; then | |
| START_TIMEOUT=2 | |
| fi | |
| if [ "$STOP_TIMEOUT" == "" ]; then | |
| STOP_TIMEOUT=2 | |
| fi | |
| if [ "$TIME_STEP" == "" ]; then | |
| TIME_STEP=1 | |
| fi | |
| if [ "$JVM_START_LOG" == "" ]; then | |
| JVM_START_LOG=${HOME}/jstatd.sysout | |
| fi | |
| if [ "$POLICY_FILE" == "" ]; then | |
| POLICY_FILE=${HOME}/.jstatd.policy | |
| fi | |
| if [ ! -r ${POLICY_FILE} ]; then | |
| cat >${POLICY_FILE} <<'EOF' | |
| grant codebase "file:${java.home}/../lib/tools.jar" { | |
| permission java.security.AllPermission; | |
| }; | |
| EOF | |
| fi | |
| JVM_START_CMD="${JSTATD_BIN} -J-DJPS_APP_ID=${JPS_APP_ID} -p $JSTATD_PORT -J-Djava.security.policy=${POLICY_FILE}" | |
| die() { | |
| echo "${PROGNAME}: $*" 2>&1 | |
| exit 1 | |
| } | |
| doStart() { | |
| isRunningJvm ${JPS_APP_ID} | |
| if [ $? -eq 1 ]; then | |
| echo "JVM ${JPS_APP_ID} is running with pid ${JVM_PID}" | |
| return 1 | |
| fi | |
| echo -ne "Starting JVM ${JPS_APP_ID} ..." | |
| nohup $JVM_START_CMD > $JVM_START_LOG 2>&1 & | |
| sleep $TIME_STEP | |
| isRunningJvm ${JPS_APP_ID} | |
| if [ $? -eq 0 ]; then | |
| echo "[FAILED] Examine ${JVM_START_LOG} or application log" | |
| exit 1 | |
| fi | |
| TIME_LEFT=$START_TIMEOUT | |
| while [ $TIME_LEFT -gt 0 ] | |
| do | |
| isRunningPid $JVM_PID | |
| if [ $? -eq 0 ]; then | |
| echo "[FAILED] Examine ${JVM_START_LOG} or application log" | |
| exit 1 | |
| fi | |
| echo -ne "." | |
| sleep $TIME_STEP | |
| let TIME_LEFT=$TIME_LEFT-$TIME_STEP | |
| done | |
| echo "[ OK ]" | |
| return 0 | |
| } | |
| doStop() { | |
| isRunningJvm ${JPS_APP_ID} | |
| if [ $? -eq 0 ]; then | |
| echo "JVM ${JPS_APP_ID} is not running" | |
| return 1 | |
| fi | |
| echo -ne "Stopping JVM ${JPS_APP_ID} ..." | |
| TIME_LEFT=$STOP_TIMEOUT | |
| while [ $TIME_LEFT -gt 0 ] | |
| do | |
| kill $JVM_PID 2>/dev/null | |
| isRunningPid $JVM_PID | |
| if [ $? -eq 0 ]; then | |
| break | |
| fi | |
| sleep $TIME_STEP | |
| let TIME_LEFT=$TIME_LEFT-$TIME_STEP | |
| echo -ne "." | |
| done | |
| if [ $TIME_LEFT -le 0 ]; then | |
| kill -9 $JVM_PID 2>/dev/null | |
| echo "JVM ${JPS_APP_ID} did not stop in $STOP_TIMEOUT seconds. It was killed by 9 SIGNAL though" | |
| else | |
| echo "[ OK ]" | |
| fi | |
| } | |
| doKill() { | |
| isRunningJvm ${JPS_APP_ID} | |
| if [ $? -eq 0 ]; then | |
| echo "JVM ${JPS_APP_ID} is not running" | |
| return 1 | |
| fi | |
| kill -9 ${JVM_PID} | |
| } | |
| doStatus() { | |
| isRunningJvm ${JPS_APP_ID} | |
| if [ $? -eq 0 ]; then | |
| echo "JVM ${JPS_APP_ID} is not running" | |
| return 1 | |
| else | |
| echo "JVM ${JPS_APP_ID} is running with pid ${JVM_PID}" | |
| return 0 | |
| fi | |
| } | |
| # return: 1 - running, 0 - NOT running | |
| function isRunningJvm() { | |
| getJvmPid $1 | |
| if [ "x${JVM_PID}" = "x" ]; then | |
| return 0 | |
| else | |
| return 1 | |
| fi | |
| } | |
| # return: 1 - IS running, 0 - NOT running | |
| function isRunningPid() { | |
| ps -p $1 >/dev/null 2>/dev/null || return 0 | |
| return 1 | |
| } | |
| function getJvmPid() { | |
| JVM_PID=`${JPS_BIN} -J-Xms8m -J-Xmx16m -mlv | grep "JPS_APP_ID=${1}" | cut -f 1 -d ' '` | |
| return $JVM_PID | |
| } | |
| case "$1" in | |
| "start"|"st") | |
| doStart | |
| ;; | |
| "stop"|"sp") | |
| doStop | |
| ;; | |
| "kill"|"kl") | |
| doKill | |
| ;; | |
| "status"|"ss") | |
| doStatus | |
| ;; | |
| "restart"|"rt") | |
| doStop | |
| sleep $TIME_STEP | |
| doStart | |
| ;; | |
| *) | |
| echo "Usage: $0 {status|start|stop|restart}" | |
| exit 1 | |
| ;; | |
| esac |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
will generate .jstatd.policy in the '/' folder... i think its better to use /usr/lib/jvm as a default location