在这个微服务盛行的时代,docker 获得了巨大的成功,因为我们需要在一台服务器装上 N 个服务。
本文不是想讨论如何使用 docker,而是,在一台服务器安装了多个服务后,怎样启动方便的启动服务呢?
一、在 tomcat 的时代中,直接使用 tomcat 的启动停止命令,轻松搞定,(tomcat 的启动脚本很有水平,贴上来学习下吧)
- #!/bin/sh
- # chkconfig: 2345 10 90
- # description:tomcat service
- JAVA_OPTS="$JAVA_OPTS -server -XX:PermSize=128M -XX:MaxPermSize=512m"
- CATALINA_PID=/opt/tomcat7/pid.log
- CATALINA_HOME=/opt/tomcat7
- # OS specific support. $var _must_ be set to either true or false.
- cygwin=false
- darwin=false
- os400=false
- case "`uname`" in
- CYGWIN*) cygwin=true;;
- Darwin*) darwin=true;;
- OS400*) os400=true;;
- esac
- # resolve links - $0 may be a softlink
- PRG="$0"
- while [ -h "$PRG" ]; do
- ls=`ls -ld "$PRG"`
- link=`expr "$ls" : '.*-> \(.*\)$'`
- if expr "$link" : '/.*' > /dev/null; then
- PRG="$link"
- else
- PRG=`dirname "$PRG"`/"$link"
- fi
- done
- # Get standard environment variables
- PRGDIR=`dirname "$PRG"`
- # Only set CATALINA_HOME if not already set
- [ -z "$CATALINA_HOME" ] && CATALINA_HOME=`cd "$PRGDIR/.." >/dev/null; pwd`
- # Copy CATALINA_BASE from CATALINA_HOME if not already set
- [ -z "$CATALINA_BASE" ] && CATALINA_BASE="$CATALINA_HOME"
- # Ensure that any user defined CLASSPATH variables are not used on startup,
- # but allow them to be specified in setenv.sh, in rare case when it is needed.
- CLASSPATH=
- if [ -r "$CATALINA_BASE/bin/setenv.sh" ]; then
- . "$CATALINA_BASE/bin/setenv.sh"
- elif [ -r "$CATALINA_HOME/bin/setenv.sh" ]; then
- . "$CATALINA_HOME/bin/setenv.sh"
- fi
- # For Cygwin, ensure paths are in UNIX format before anything is touched
- if $cygwin; then
- [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
- [ -n "$JRE_HOME" ] && JRE_HOME=`cygpath --unix "$JRE_HOME"`
- [ -n "$CATALINA_HOME" ] && CATALINA_HOME=`cygpath --unix "$CATALINA_HOME"`
- [ -n "$CATALINA_BASE" ] && CATALINA_BASE=`cygpath --unix "$CATALINA_BASE"`
- [ -n "$CLASSPATH" ] && CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
- fi
- # For OS400
- if $os400; then
- # Set job priority to standard for interactive (interactive - 6) by using
- # the interactive priority - 6, the helper threads that respond to requests
- # will be running at the same priority as interactive jobs.
- COMMAND='chgjob job('$JOBNAME') runpty(6)'
- system $COMMAND
- # Enable multi threading
- export QIBM_MULTI_THREADED=Y
- fi
- # Get standard Java environment variables
- if $os400; then
- # -r will Only work on the os400 if the files are:
- # 1. owned by the user
- # 2. owned by the PRIMARY group of the user
- # this will not work if the user belongs in secondary groups
- . "$CATALINA_HOME"/bin/setclasspath.sh
- else
- if [ -r "$CATALINA_HOME"/bin/setclasspath.sh ]; then
- . "$CATALINA_HOME"/bin/setclasspath.sh
- else
- echo "Cannot find $CATALINA_HOME/bin/setclasspath.sh"
- echo "This file is needed to run this program"
- exit 1
- fi
- fi
- # Add on extra jar files to CLASSPATH
- if [ ! -z "$CLASSPATH" ] ; then
- CLASSPATH="$CLASSPATH":
- fi
- CLASSPATH="$CLASSPATH""$CATALINA_HOME"/bin/bootstrap.jar
- if [ -z "$CATALINA_OUT" ] ; then
- CATALINA_OUT="$CATALINA_BASE"/logs/catalina.out
- fi
- if [ -z "$CATALINA_TMPDIR" ] ; then
- # Define the java.io.tmpdir to use for Catalina
- CATALINA_TMPDIR="$CATALINA_BASE"/temp
- fi
- # Add tomcat-juli.jar to classpath
- # tomcat-juli.jar can be over-ridden per instance
- if [ -r "$CATALINA_BASE/bin/tomcat-juli.jar" ] ; then
- CLASSPATH=$CLASSPATH:$CATALINA_BASE/bin/tomcat-juli.jar
- else
- CLASSPATH=$CLASSPATH:$CATALINA_HOME/bin/tomcat-juli.jar
- fi
- # Bugzilla 37848: When no TTY is available, don't output to console
- have_tty=0
- if [ "`tty`" != "not a tty" ]; then
- have_tty=1
- fi
- # For Cygwin, switch paths to Windows format before running java
- if $cygwin; then
- JAVA_HOME=`cygpath --absolute --windows "$JAVA_HOME"`
- JRE_HOME=`cygpath --absolute --windows "$JRE_HOME"`
- CATALINA_HOME=`cygpath --absolute --windows "$CATALINA_HOME"`
- CATALINA_BASE=`cygpath --absolute --windows "$CATALINA_BASE"`
- CATALINA_TMPDIR=`cygpath --absolute --windows "$CATALINA_TMPDIR"`
- CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
- JAVA_ENDORSED_DIRS=`cygpath --path --windows "$JAVA_ENDORSED_DIRS"`
- fi
- # Set juli LogManager config file if it is present and an override has not been issued
- if [ -z "$LOGGING_CONFIG" ]; then
- if [ -r "$CATALINA_BASE"/conf/logging.properties ]; then
- LOGGING_CONFIG="-Djava.util.logging.config.file=$CATALINA_BASE/conf/logging.properties"
- else
- # Bugzilla 45585
- LOGGING_CONFIG="-Dnop"
- fi
- fi
- if [ -z "$LOGGING_MANAGER" ]; then
- LOGGING_MANAGER="-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager"
- fi
- # Uncomment the following line to make the umask available when using the
- # org.apache.catalina.security.SecurityListener
- #JAVA_OPTS="$JAVA_OPTS -Dorg.apache.catalina.security.SecurityListener.UMASK=`umask`"
- # ----- Execute The Requested Command -----------------------------------------
- # Bugzilla 37848: only output this if we have a TTY
- if [ $have_tty -eq 1 ]; then
- echo "Using CATALINA_BASE: $CATALINA_BASE"
- echo "Using CATALINA_HOME: $CATALINA_HOME"
- echo "Using CATALINA_TMPDIR: $CATALINA_TMPDIR"
- if [ "$1" = "debug" ] ; then
- echo "Using JAVA_HOME: $JAVA_HOME"
- else
- echo "Using JRE_HOME: $JRE_HOME"
- fi
- echo "Using CLASSPATH: $CLASSPATH"
- if [ ! -z "$CATALINA_PID" ]; then
- echo "Using CATALINA_PID: $CATALINA_PID"
- fi
- fi
- if [ "$1" = "jpda" ] ; then
- if [ -z "$JPDA_TRANSPORT" ]; then
- JPDA_TRANSPORT="dt_socket"
- fi
- if [ -z "$JPDA_ADDRESS" ]; then
- JPDA_ADDRESS="8000"
- fi
- if [ -z "$JPDA_SUSPEND" ]; then
- JPDA_SUSPEND="n"
- fi
- if [ -z "$JPDA_OPTS" ]; then
- JPDA_OPTS="-agentlib:jdwp=transport=$JPDA_TRANSPORT,address=$JPDA_ADDRESS,server=y,suspend=$JPDA_SUSPEND"
- fi
- CATALINA_OPTS="$CATALINA_OPTS $JPDA_OPTS"
- shift
- fi
- if [ "$1" = "debug" ] ; then
- if $os400; then
- echo "Debug command not available on OS400"
- exit 1
- else
- shift
- if [ "$1" = "-security" ] ; then
- if [ $have_tty -eq 1 ]; then
- echo "Using Security Manager"
- fi
- shift
- exec "$_RUNJDB" "$LOGGING_CONFIG" $LOGGING_MANAGER $JAVA_OPTS $CATALINA_OPTS \
- -Djava.endorsed.dirs="$JAVA_ENDORSED_DIRS" -classpath "$CLASSPATH" \
- -sourcepath "$CATALINA_HOME"/../../java \
- -Djava.security.manager \
- -Djava.security.policy=="$CATALINA_BASE"/conf/catalina.policy \
- -Dcatalina.base="$CATALINA_BASE" \
- -Dcatalina.home="$CATALINA_HOME" \
- -Djava.io.tmpdir="$CATALINA_TMPDIR" \
- org.apache.catalina.startup.Bootstrap "$@" start
- else
- exec "$_RUNJDB" "$LOGGING_CONFIG" $LOGGING_MANAGER $JAVA_OPTS $CATALINA_OPTS \
- -Djava.endorsed.dirs="$JAVA_ENDORSED_DIRS" -classpath "$CLASSPATH" \
- -sourcepath "$CATALINA_HOME"/../../java \
- -Dcatalina.base="$CATALINA_BASE" \
- -Dcatalina.home="$CATALINA_HOME" \
- -Djava.io.tmpdir="$CATALINA_TMPDIR" \
- org.apache.catalina.startup.Bootstrap "$@" start
- fi
- fi
- elif [ "$1" = "run" ]; then
- shift
- if [ "$1" = "-security" ] ; then
- if [ $have_tty -eq 1 ]; then
- echo "Using Security Manager"
- fi
- shift
- eval exec "\"$_RUNJAVA\"" "\"$LOGGING_CONFIG\"" $LOGGING_MANAGER $JAVA_OPTS $CATALINA_OPTS \
- -Djava.endorsed.dirs="\"$JAVA_ENDORSED_DIRS\"" -classpath "\"$CLASSPATH\"" \
- -Djava.security.manager \
- -Djava.security.policy=="\"$CATALINA_BASE/conf/catalina.policy\"" \
- -Dcatalina.base="\"$CATALINA_BASE\"" \
- -Dcatalina.home="\"$CATALINA_HOME\"" \
- -Djava.io.tmpdir="\"$CATALINA_TMPDIR\"" \
- org.apache.catalina.startup.Bootstrap "$@" start
- else
- eval exec "\"$_RUNJAVA\"" "\"$LOGGING_CONFIG\"" $LOGGING_MANAGER $JAVA_OPTS $CATALINA_OPTS \
- -Djava.endorsed.dirs="\"$JAVA_ENDORSED_DIRS\"" -classpath "\"$CLASSPATH\"" \
- -Dcatalina.base="\"$CATALINA_BASE\"" \
- -Dcatalina.home="\"$CATALINA_HOME\"" \
- -Djava.io.tmpdir="\"$CATALINA_TMPDIR\"" \
- org.apache.catalina.startup.Bootstrap "$@" start
- fi
- elif [ "$1" = "start" ] ; then
- if [ ! -z "$CATALINA_PID" ]; then
- if [ -f "$CATALINA_PID" ]; then
- if [ -s "$CATALINA_PID" ]; then
- echo "Existing PID file found during start."
- if [ -r "$CATALINA_PID" ]; then
- PID=`cat "$CATALINA_PID"`
- ps -p $PID >/dev/null 2>&1
- if [ $? -eq 0 ] ; then
- echo "Tomcat appears to still be running with PID $PID. Start aborted."
- exit 1
- else
- echo "Removing/clearing stale PID file."
- rm -f "$CATALINA_PID" >/dev/null 2>&1
- if [ $? != 0 ]; then
- if [ -w "$CATALINA_PID" ]; then
- cat /dev/null > "$CATALINA_PID"
- else
- echo "Unable to remove or clear stale PID file. Start aborted."
- exit 1
- fi
- fi
- fi
- else
- echo "Unable to read PID file. Start aborted."
- exit 1
- fi
- else
- rm -f "$CATALINA_PID" >/dev/null 2>&1
- if [ $? != 0 ]; then
- if [ ! -w "$CATALINA_PID" ]; then
- echo "Unable to remove or write to empty PID file. Start aborted."
- exit 1
- fi
- fi
- fi
- fi
- fi
- shift
- # touch "$CATALINA_OUT"
- if [ "$1" = "-security" ] ; then
- if [ $have_tty -eq 1 ]; then
- echo "Using Security Manager"
- fi
- shift
- eval "\"$_RUNJAVA\"" "\"$LOGGING_CONFIG\"" $LOGGING_MANAGER $JAVA_OPTS $CATALINA_OPTS \
- -Djava.endorsed.dirs="\"$JAVA_ENDORSED_DIRS\"" -classpath "\"$CLASSPATH\"" \
- -Djava.security.manager \
- -Djava.security.policy=="\"$CATALINA_BASE/conf/catalina.policy\"" \
- -Dcatalina.base="\"$CATALINA_BASE\"" \
- -Dcatalina.home="\"$CATALINA_HOME\"" \
- -Djava.io.tmpdir="\"$CATALINA_TMPDIR\"" \
- org.apache.catalina.startup.Bootstrap "$@" start \
- >> "$CATALINA_OUT" 2>&1 "&"
- else
- eval "\"$_RUNJAVA\"" "\"$LOGGING_CONFIG\"" $LOGGING_MANAGER $JAVA_OPTS $CATALINA_OPTS \
- -Djava.endorsed.dirs="\"$JAVA_ENDORSED_DIRS\"" -classpath "\"$CLASSPATH\"" \
- -Dcatalina.base="\"$CATALINA_BASE\"" \
- -Dcatalina.home="\"$CATALINA_HOME\"" \
- -Djava.io.tmpdir="\"$CATALINA_TMPDIR\"" \
- -XX:+PrintGCDetails \
- -XX:+PrintGCDateStamps \
- -XX:+PrintGCTimeStamps \
- -Xloggc:"$CATALINA_BASE"/logs/gc.log \
- org.apache.catalina.startup.Bootstrap "$@" start "2>&1" | /usr/local/sbin/cronolog -S "$CATALINA_BASE"/logs/catalina_ln.out "$CATALINA_BASE"/logs/catalina.%Y-%m-%d-%H.out >> /dev/null &
- fi
- if [ ! -z "$CATALINA_PID" ]; then
- echo $! > "$CATALINA_PID"
- fi
- echo "Tomcat started."
- elif [ "$1" = "stop" ] ; then
- shift
- SLEEP=5
- if [ ! -z "$1" ]; then
- echo $1 | grep "[^0-9]" >/dev/null 2>&1
- if [ $? -gt 0 ]; then
- SLEEP=$1
- shift
- fi
- fi
- FORCE=1
- if [ "$1" = "-force" ]; then
- shift
- FORCE=1
- fi
- if [ ! -z "$CATALINA_PID" ]; then
- if [ -f "$CATALINA_PID" ]; then
- if [ -s "$CATALINA_PID" ]; then
- kill -0 `cat "$CATALINA_PID"` >/dev/null 2>&1
- if [ $? -gt 0 ]; then
- echo "PID file found but no matching process was found. Stop aborted."
- exit 1
- fi
- else
- echo "PID file is empty and has been ignored."
- fi
- else
- echo "\$CATALINA_PID was set but the specified file does not exist. Is Tomcat running? Stop aborted."
- exit 1
- fi
- fi
- eval "\"$_RUNJAVA\"" $LOGGING_MANAGER $JAVA_OPTS \
- -Djava.endorsed.dirs="\"$JAVA_ENDORSED_DIRS\"" -classpath "\"$CLASSPATH\"" \
- -Dcatalina.base="\"$CATALINA_BASE\"" \
- -Dcatalina.home="\"$CATALINA_HOME\"" \
- -Djava.io.tmpdir="\"$CATALINA_TMPDIR\"" \
- org.apache.catalina.startup.Bootstrap "$@" stop
- # stop failed. Shutdown port disabled? Try a normal kill.
- if [ $? != 0 ]; then
- if [ ! -z "$CATALINA_PID" ]; then
- echo "The stop command failed. Attempting to signal the process to stop through OS signal."
- kill -15 `cat "$CATALINA_PID"` >/dev/null 2>&1
- fi
- fi
- if [ ! -z "$CATALINA_PID" ]; then
- if [ -f "$CATALINA_PID" ]; then
- while [ $SLEEP -ge 0 ]; do
- kill -9 `cat "$CATALINA_PID"` >/dev/null 2>&1
- if [ $? -gt 0 ]; then
- rm -f "$CATALINA_PID" >/dev/null 2>&1
- if [ $? != 0 ]; then
- if [ -w "$CATALINA_PID" ]; then
- cat /dev/null > "$CATALINA_PID"
- # If Tomcat has stopped don't try and force a stop with an empty PID file
- FORCE=0
- else
- echo "The PID file could not be removed or cleared."
- fi
- fi
- ps -ef | grep tomcat | grep -v grep | awk '{print $2}' | sed -e "s/^/kill -9 /g"|sh -
- echo "Tomcat stopped."
- break
- fi
- if [ $SLEEP -gt 0 ]; then
- sleep 1
- fi
- if [ $SLEEP -eq 0 ]; then
- if [ $FORCE -eq 0 ]; then
- echo "Tomcat did not stop in time. PID file was not removed. To aid diagnostics a thread dump has been written to standard out."
- kill -3 `cat "$CATALINA_PID"`
- fi
- fi
- SLEEP=`expr $SLEEP - 1 `
- done
- fi
- fi
- KILL_SLEEP_INTERVAL=5
- if [ $FORCE -eq 1 ]; then
- if [ -z "$CATALINA_PID" ]; then
- echo "Kill failed: \$CATALINA_PID not set"
- else
- if [ -f "$CATALINA_PID" ]; then
- PID=`cat "$CATALINA_PID"`
- echo "Killing Tomcat with the PID: $PID"
- kill -9 $PID
- while [ $KILL_SLEEP_INTERVAL -ge 0 ]; do
- kill -0 `cat "$CATALINA_PID"` >/dev/null 2>&1
- if [ $? -gt 0 ]; then
- rm -f "$CATALINA_PID" >/dev/null 2>&1
- if [ $? != 0 ]; then
- if [ -w "$CATALINA_PID" ]; then
- cat /dev/null > "$CATALINA_PID"
- else
- echo "The PID file could not be removed."
- fi
- fi
- # Set this to zero else a warning will be issued about the process still running
- KILL_SLEEP_INTERVAL=0
- echo "The Tomcat process has been killed."
- break
- fi
- if [ $KILL_SLEEP_INTERVAL -gt 0 ]; then
- sleep 1
- fi
- KILL_SLEEP_INTERVAL=`expr $KILL_SLEEP_INTERVAL - 1 `
- done
- if [ $KILL_SLEEP_INTERVAL -gt 0 ]; then
- echo "Tomcat has not been killed completely yet. The process might be waiting on some system call or might be UNINTERRUPTIBLE."
- fi
- fi
- fi
- fi
- elif [ "$1" = "configtest" ] ; then
- eval "\"$_RUNJAVA\"" $LOGGING_MANAGER $JAVA_OPTS \
- -Djava.endorsed.dirs="\"$JAVA_ENDORSED_DIRS\"" -classpath "\"$CLASSPATH\"" \
- -Dcatalina.base="\"$CATALINA_BASE\"" \
- -Dcatalina.home="\"$CATALINA_HOME\"" \
- -Djava.io.tmpdir="\"$CATALINA_TMPDIR\"" \
- org.apache.catalina.startup.Bootstrap configtest
- result=$?
- if [ $result -ne 0 ]; then
- echo "Configuration error detected!"
- fi
- exit $result
- elif [ "$1" = "version" ] ; then
- "$_RUNJAVA" \
- -classpath "$CATALINA_HOME/lib/catalina.jar" \
- org.apache.catalina.util.ServerInfo
- else
- echo "Usage: catalina.sh ( commands ... )"
- echo "commands:"
- if $os400; then
- echo " debug Start Catalina in a debugger (not available on OS400)"
- echo " debug -security Debug Catalina with a security manager (not available on OS400)"
- else
- echo " debug Start Catalina in a debugger"
- echo " debug -security Debug Catalina with a security manager"
- fi
- echo " jpda start Start Catalina under JPDA debugger"
- echo " run Start Catalina in the current window"
- echo " run -security Start in the current window with security manager"
- echo " start Start Catalina in a separate window"
- echo " start -security Start in a separate window with security manager"
- echo " stop Stop Catalina, waiting up to 5 seconds for the process to end"
- echo " stop n Stop Catalina, waiting up to n seconds for the process to end"
- echo " stop -force Stop Catalina, wait up to 5 seconds and then use kill -KILL if still running"
- echo " stop n -force Stop Catalina, wait up to n seconds and then use kill -KILL if still running"
- echo " configtest Run a basic syntax check on server.xml - check exit code for result"
- echo " version What version of tomcat are you running?"
- echo "Note: Waiting for the process to end and use of the -force option require that \$CATALINA_PID is defined"
- exit 1
- fi
- service tomcat start # 启动
- service tomcat stop # 停止
- ps -ef | grep tomcat # 查看tomcat的运行情况
二、在 jar 包盛行的时代,需要为各个 jar 包写一个启动脚本,如下:
- #!/bin/bash
- #chkconfig: 2345 10 90
- PATH_PWD=$(cd `dirname $0`;echo `pwd`)
- PATH_LOCATION=/etc/init.d
- JAR_NAME=$(basename $0)
- PATH_WEBAPPS=/www/xx/webapps
- PATH_TO_JAR=${PATH_WEBAPPS}/${JAR_NAME}/${JAR_NAME}.jar
- PATH_LOG=/opt/logs/${JAR_NAME}
- COMMAND_CRONOLOG=`find /usr -type f -name "cronolog" | sed -n "1p" | tr -d " "`
- COMMAND_SS=`find /usr -type f -name "ss" | sed -n "1p" | tr -d " "`
- PID_PATH_NAME=/var/run/${JAR_NAME}.pid
- START_COMMAND=""
- PORT_DEFAULT=""
- JMX_PORT=12345
- if [ x"$PATH_PWD" == x"$PATH_LOCATION" ];then
- :
- else
- echo "script ${JAR_NAME} must be in path ${PATH_LOCATION}!"
- exit 1;
- fi
- if [ -f ${PATH_TO_JAR} ];then
- :
- else
- echo "${JAR_NAME}.jar doesn't exist in /www/xx/webapps/${JAR_NAME}/";
- exit 1;
- fi
- {
- while :
- do
- if ${COMMAND_SS} -tln |grep -q ":$JMX_PORT"
- then
- ((JMX_PORT++))
- else
- echo "jmx port is $JMX_PORT"
- break
- fi
- done
- }
- service_check(){
- if [ -L ${PATH_LOG}/${JAR_NAME}_ln.out ];then
- rm -f ${PATH_LOG}/${JAR_NAME}_ln.out && \
- echo "${PATH_LOG}/${JAR_NAME}_ln.out has been deleted."
- return 0;
- fi
- }
- service_status(){
- ps -ef | grep $PATH_TO_JAR | grep -v grep >/dev/null 2>&1
- if [ $? -ne 0 ];then
- echo "$JAR_NAME is not running."
- rm -rf $PID_PATH_NAME
- return 1;
- else
- echo "$JAR_NAME is running."
- ps -ef | grep $PATH_TO_JAR | grep -v grep | awk '{print $2}' > $PID_PATH_NAME >/dev/null 2>&1
- return 0;
- fi
- }
- service_stop_force(){
- ps -ef | grep $PATH_TO_JAR | grep -v grep >/dev/null 2>&1
- if [ $? -ne 0 ];then
- rm -rf $PID_PATH_NAME
- return 0;
- else
- echo "$JAR_NAME will be killed by force!"
- ps -ef | grep $PATH_TO_JAR | grep -v grep | awk '{print $2}' | xargs kill -9 >/dev/null 2>&1
- rm -rf $PID_PATH_NAME
- return 0;
- fi
- }
- service_start(){
- if [ -f $PID_PATH_NAME ]; then
- echo "$JAR_NAME is already running"
- return 1;
- else
- echo "$JAR_NAME starting ..."
- set -e
- nohup java -Dfile.encoding=utf-8 \
- -Xloggc:${PATH_LOG}/${JAR_NAME}_gc.log \
- -XX:+HeapDumpOnOutOfMemoryError \
- -XX:HeapDumpPath=${PATH_LOG} \
- -Xms256m \
- -Xmx2048m \
- -Duser.timezone=GMT+08 \
- -jar $PATH_TO_JAR $START_COMMAND $PORT_DEFAULT 2>&1 | $COMMAND_CRONOLOG -S ${PATH_LOG}/${JAR_NAME}_ln.out ${PATH_LOG}/${JAR_NAME}.%Y-%m-%d-%H.out >> /dev/null &
- if [ $? -ne 0 ];then
- echo "$JAR_NAME started failed"
- exit 1
- else
- echo $! > $PID_PATH_NAME
- echo "$JAR_NAME started ..."
- fi
- set +e
- return 0;
- fi
- }
- service_stop(){
- if [ -f $PID_PATH_NAME ]; then
- echo "$JAR_NAME stoping ..."
- ps -ef | grep $PATH_TO_JAR | grep -v grep | awk '{print $2}' | xargs kill -15 >/dev/null 2>&1
- echo "$JAR_NAME stopped ..."
- rm -rf $PID_PATH_NAME
- return 0;
- else
- echo "$JAR_NAME is not running ..."
- return 1;
- fi
- }
- service_tag(){
- echo "----------------------------------------------------------------------------------------------------------"
- }
- service_info(){
- service_tag
- echo "info-use service ${JAR_NAME} start|stop|status|restart"
- echo "info-jar $PATH_TO_JAR"
- echo "info-log ${PATH_LOG}/${JAR_NAME}_ln.out"
- echo "info-gc-log ${PATH_LOG}/${JAR_NAME}_gc.log"
- echo "info-heapdump-log ${PATH_LOG}"
- echo "info-memory -Xms256m -Xmx2048m"
- service_tag
- }
- # 接收命令开始
- case "$1" in
- "status")
- service_tag
- service_status
- service_info
- ;;
- "start")
- service_status >/dev/null 2>&1
- service_check
- service_start
- service_tag
- service_status
- ;;
- "stop")
- service_status >/dev/null 2>&1
- service_tag
- service_stop
- sleep 3
- service_stop_force
- ;;
- "restart")
- service_status >/dev/null 2>&1
- service_stop
- sleep 10
- service_stop_force
- service_check
- service_start
- service_tag
- service_status
- ;;
- *) echo "Usage: service ${JAR_NAME} status|start|stop|restart" ;;
- esac
运行脚本:
- service ser01 stop #启动
- service ser01 start #停止
- ps -ef | grep java #服务运行情况
shell 脚本确实很方便,虽然这会涉及到另一个专业领域的东西,但是自已使用一下也很安逸呢~
尤其在排查问题时, shell 方面的知识往往会帮自己很大的忙。
想要将自己写的脚本添加到 service 命令中,只需将该脚本移动到 /etc/init.d/ 目录下,即可以使用 service xxx command 了。
来源: http://www.tuicool.com/articles/fmUnQbn