使用maven-assembly-plugin打包dubbo接口

      之前刚开始学习dubbo的时候，生产者也是用tomcat去跑的，其实dubbo只需要提供service层接口就好了，并不需要和http相关的东西，所以其实并不需要用tomcat去跑，我们完全打成其他的包直接去跑，这样dubbo接口也不会tomcat性能的限制，而打包可以说是maven最擅长的事情之一，今天就记录一下我们公司的实际项目中使用maven-assembly-plugin打包的方法。

1. 首先在pom文件中，添加maven-assembly-plugin插件

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<plugin>

    <artifactId>maven-assembly-plugin</artifactId>

    <configuration>

        <descriptor>src/main/assembly/assembly.xml</descriptor>

    </configuration>

    <executions>

        <execution>

            <id>make-assembly</id>

            <phase>package</phase>

            <goals>

                <goal>single </goal>

            </goals>

        </execution>

    </executions>

</plugin>

在该插件的第四行我们指定了一个assembly.xml文件，下面我们就看看assembly.xml的内容

2. assembly.xml文件

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<assembly>

    <id>assembly</id>

    <formats>

        <format>tar.gz</format>

    </formats>

    <includeBaseDirectory>true</includeBaseDirectory>

    <fileSets>

        <fileSet>

            <outputDirectory>/</outputDirectory>

            <includes>

                <include>README.txt</include>

            </includes>

        </fileSet>

        <fileSet>

            <directory>src/main/scripts</directory>

            <outputDirectory>/bin</outputDirectory>

        </fileSet>

    </fileSets>

    <dependencySets>

        <dependencySet>

            <useProjectArtifact>true</useProjectArtifact>

            <outputDirectory>lib</outputDirectory>

        </dependencySet>

    </dependencySets>

</assembly>

该文件的第四行中的tar.gz指的就是打包的文件格式，对于Linux用户，对这个格式一定非常熟悉，当然大家也可以指定为zip格式，另外在该文件的第十五行，指定了一个scripts文件夹，那么这里面放的又是什么呢？我们知道打包之后的系统我们要跑起来才能用，那么这里面放的就是对我们的系统操作的一些脚本，打包之后，我们的系统都是一些jar文件，放在了倒数第四行指定的lib文件中，而这些脚本则放在了和lib同级的bin文件中，下面就让我们一一看看scripts中几个文件的内容

3. scripts文件夹

①. start.bat

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@echooff & setlocal enabledelayedexpansion

 

set LIB_JARS=""

cd ..\lib

for%%i in (*) doset LIB_JARS=!LIB_JARS!;..\lib\%%i

cd ..\bin

 

if""%1""== ""debug""goto debug

if""%1""== ""jmx""goto jmx

 

java -Xms64m -Xmx1024m -XX:MaxPermSize=64M -classpath ..\conf;%LIB_JARS% com.alibaba.dubbo.container.Main

gotoend

 

:debug

java -Xms64m -Xmx1024m -XX:MaxPermSize=64M -Xdebug -Xnoagent -Djava.compiler=NONE -Xrunjdwp:transport=dt_socket,address=8000,server=y,suspend=n -classpath ..\conf;%LIB_JARS% com.alibaba.dubbo.container.Main

gotoend

 

:jmx

java -Xms64m -Xmx1024m -XX:MaxPermSize=64M -Dcom.sun.management.jmxremote.port=1099 -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.authenticate=false -classpath ..\conf;%LIB_JARS% com.alibaba.dubbo.container.Main

 

:end

pause

②. start.sh

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#!/bin/bash

cd `dirname$0`

BIN_DIR=`pwd`

cd ..

DEPLOY_DIR=`pwd`

CONF_DIR=$DEPLOY_DIR/conf

 

USER=www

GROUP=www

 

#SERVER_NAME=`sed'/dubbo.application.name/!d;s/.*=//'conf/dubbo.properties | tr -d '\r'`

#SERVER_PROTOCOL=`sed'/dubbo.protocol.name/!d;s/.*=//'conf/dubbo.properties | tr -d '\r'`

#SERVER_PORT=`sed'/dubbo.protocol.port/!d;s/.*=//'conf/dubbo.properties | tr -d '\r'`

#LOGS_FILE=`sed'/dubbo.log4j.file/!d;s/.*=//' conf/dubbo.properties | tr -d '\r'`

SERVER_NAME=""

SERVER_PROTOCOL=""

SERVER_PORT=""

LOGS_FILE=""

 

if[ -z "$SERVER_NAME"]; then

    SERVER_NAME=`hostname`

fi

 

PIDS=`ps -f | grep java | grep"$CONF_DIR" |awk '{print $2}'`

if[ -n "$PIDS"]; then

    echo"ERROR: The $SERVER_NAME already started!"

    echo"PID: $PIDS"

    exit1

fi

 

if[ -n "$SERVER_PORT"]; then

    SERVER_PORT_COUNT=`netstat -tln | grep$SERVER_PORT | wc -l`

    if[ $SERVER_PORT_COUNT-gt 0 ]; then

        echo"ERROR: The $SERVER_NAME port $SERVER_PORT already used!"

        exit1

    fi

fi

 

LOGS_DIR="/data/logs/`basename $DEPLOY_DIR`"

 

if[ ! -d $LOGS_DIR]; then

    mkdir-p $LOGS_DIR

    chown-R $USER.$GROUP$LOGS_DIR

fi

STDOUT_FILE=$LOGS_DIR/`basename$DEPLOY_DIR`.log

 

LIB_DIR=$DEPLOY_DIR/lib

LIB_JARS=`ls$LIB_DIR|grep .jar|awk'{print "'$LIB_DIR'/"$0}'|tr"\n" ":"`

 

JAVA_OPTS=" -Djava.awt.headless=true -Djava.net.preferIPv4Stack=true "

JAVA_DEBUG_OPTS=""

if[ "$1"= "debug"]; then

    JAVA_DEBUG_OPTS=" -Xdebug -Xnoagent -Djava.compiler=NONE -Xrunjdwp:transport=dt_socket,address=8000,server=y,suspend=n "

fi

JAVA_JMX_OPTS=""

if[ "$1"= "jmx"]; then

    JAVA_JMX_OPTS=" -Dcom.sun.management.jmxremote.port=1099 -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.authenticate=false "

fi

JAVA_MEM_OPTS=""

BITS=`java -version 2>&1 | grep -i 64-bit`

if[ -n "$BITS"]; then

    JAVA_MEM_OPTS=" -server -Xmx2g -Xms2g -Xmn720m -XX:PermSize=128m -Xss256k -XX:+DisableExplicitGC -XX:+UseConcMarkSweepGC -XX:+CMSParallelRemarkEnabled -XX:+UseCMSCompactAtFullCollection -XX:LargePageSizeInBytes=128m -XX:+UseFastAccessorMethods -XX:+UseCMSInitiatingOccupancyOnly -XX:CMSInitiatingOccupancyFraction=70 "

else

    JAVA_MEM_OPTS=" -server -Xms2g -Xmx2g -XX:PermSize=128m -XX:SurvivorRatio=2 -XX:+UseParallelGC "

fi

 

echo-e "Starting the $SERVER_NAME ...\c"

nohup java$JAVA_OPTS $JAVA_MEM_OPTS $JAVA_DEBUG_OPTS$JAVA_JMX_OPTS -classpath $CONF_DIR:$LIB_JARScom.alibaba.dubbo.container.Main > $STDOUT_FILE2>&1 &

 

COUNT=0

while[ $COUNT-lt 1 ]; do   

    echo-e ".\c"

    sleep 1

    if[ -n "$SERVER_PORT"]; then

        if[ "$SERVER_PROTOCOL"== "dubbo"]; then

            COUNT=`echostatus | nc -i 1 127.0.0.1 $SERVER_PORT| grep -c OK`

        else

            COUNT=`netstat -an | grep$SERVER_PORT | wc -l`

        fi

    else

        COUNT=`ps -f | grep java | grep"$DEPLOY_DIR" | awk '{print $2}' | wc -l`

    fi

    if[ $COUNT-gt 0 ]; then

        break

    fi

done

 

echo"OK!"

PIDS=`ps -f | grep java | grep"$DEPLOY_DIR" | awk '{print $2}'`

echo"PID: $PIDS"

echo"STDOUT: $STDOUT_FILE"

③. stop.sh

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#!/bin/bash

cd `dirname$0`

BIN_DIR=`pwd`

cd ..

DEPLOY_DIR=`pwd`

CONF_DIR=$DEPLOY_DIR/conf

 

SERVER_NAME=`sed'/dubbo.application.name/!d;s/.*=//'conf/dubbo.properties | tr -d '\r'`

 

if[ -z "$SERVER_NAME"]; then

    SERVER_NAME=`hostname`

fi

 

PIDS=`ps -f | grep java | grep"$CONF_DIR" |awk '{print $2}'`

if[ -z "$PIDS"]; then

    echo"ERROR: The $SERVER_NAME does not started!"

    exit1

fi

 

if[ "$1"!= "skip"]; then

    $BIN_DIR/dump.sh

fi

 

echo-e "Stopping the $SERVER_NAME ...\c"

forPID in $PIDS; do

    kill$PID > /dev/null 2>&1

done

 

COUNT=0

while[ $COUNT-lt 1 ]; do   

    echo-e ".\c"

    sleep 1

    COUNT=1

    forPID in $PIDS; do

        PID_EXIST=`ps -f -p$PID | grep java`

        if[ -n "$PID_EXIST"]; then

            COUNT=0

            break

        fi

    done

done

 

echo"OK!"

echo"PID: $PIDS"

④. restart.sh

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#!/bin/bash

cd `dirname$0`

./stop.sh

./start.sh

⑤. server.sh

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#!/bin/bash

cd `dirname$0`

if[ "$1"= "start"]; then

    ./start.sh

else

    if[ "$1"= "stop"]; then

        ./stop.sh

    else

        if[ "$1"= "debug"]; then

            ./start.sh debug

        else

            if[ "$1"= "restart"]; then

                ./restart.sh

            else

                if[ "$1"= "dump"]; then

                    ./dump.sh

                else

                    echo"ERROR: Please input argument: start or stop or debug or restart or dump"

                    exit1

                fi

            fi

        fi

    fi

fi

⑥. dump.sh

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#!/bin/bash

cd `dirname$0`

BIN_DIR=`pwd`

cd ..

DEPLOY_DIR=`pwd`

CONF_DIR=$DEPLOY_DIR/conf

 

SERVER_NAME=`sed'/dubbo.application.name/!d;s/.*=//'conf/dubbo.properties | tr -d '\r'`

LOGS_FILE=`sed'/dubbo.log4j.file/!d;s/.*=//' conf/dubbo.properties | tr -d '\r'`

 

if[ -z "$SERVER_NAME"]; then

    SERVER_NAME=`hostname`

fi

 

PIDS=`ps -f | grep java | grep"$CONF_DIR" |awk '{print $2}'`

if[ -z "$PIDS"]; then

    echo"ERROR: The $SERVER_NAME does not started!"

    exit1

fi

 

LOGS_DIR=""

if[ -n "$LOGS_FILE"]; then

    LOGS_DIR=`dirname$LOGS_FILE`

else

    LOGS_DIR=$DEPLOY_DIR/logs

fi

if[ ! -d $LOGS_DIR]; then

    mkdir$LOGS_DIR

fi

DUMP_DIR=$LOGS_DIR/dump

if[ ! -d $DUMP_DIR]; then

    mkdir$DUMP_DIR

fi

DUMP_DATE=`date+%Y%m%d%H%M%S`

DATE_DIR=$DUMP_DIR/$DUMP_DATE

if[ ! -d $DATE_DIR]; then

    mkdir$DATE_DIR

fi

 

echo-e "Dumping the $SERVER_NAME ...\c"

forPID in $PIDS; do

    jstack$PID > $DATE_DIR/jstack-$PID.dump 2>&1

    echo-e ".\c"

    jinfo$PID > $DATE_DIR/jinfo-$PID.dump 2>&1

    echo-e ".\c"

    jstat -gcutil$PID > $DATE_DIR/jstat-gcutil-$PID.dump 2>&1

    echo-e ".\c"

    jstat -gccapacity$PID > $DATE_DIR/jstat-gccapacity-$PID.dump 2>&1

    echo-e ".\c"

    jmap$PID > $DATE_DIR/jmap-$PID.dump 2>&1

    echo-e ".\c"

    jmap -heap$PID > $DATE_DIR/jmap-heap-$PID.dump 2>&1

    echo-e ".\c"

    jmap -histo$PID > $DATE_DIR/jmap-histo-$PID.dump 2>&1

    echo-e ".\c"

    if[ -r /usr/sbin/lsof ]; then

    /usr/sbin/lsof -p$PID > $DATE_DIR/lsof-$PID.dump

    echo-e ".\c"

    fi

done

 

if[ -r /bin/netstat ]; then

/bin/netstat -an >$DATE_DIR/netstat.dump 2>&1

echo-e ".\c"

fi

if[ -r /usr/bin/iostat ]; then

/usr/bin/iostat >$DATE_DIR/iostat.dump 2>&1

echo-e ".\c"

fi

if[ -r /usr/bin/mpstat ]; then

/usr/bin/mpstat >$DATE_DIR/mpstat.dump 2>&1

echo-e ".\c"

fi

if[ -r /usr/bin/vmstat ]; then

/usr/bin/vmstat >$DATE_DIR/vmstat.dump 2>&1

echo-e ".\c"

fi

if[ -r /usr/bin/free ]; then

/usr/bin/free -t >$DATE_DIR/free.dump 2>&1

echo-e ".\c"

fi

if[ -r /usr/bin/sar ]; then

/usr/bin/sar >$DATE_DIR/sar.dump 2>&1

echo-e ".\c"

fi

if[ -r /usr/bin/uptime ]; then

/usr/bin/uptime >$DATE_DIR/uptime.dump 2>&1

echo-e ".\c"

fi

 

echo"OK!"

echo"DUMP: $DATE_DIR"

如果您的shell水平目前还不够，可以先看看这篇文章，看完之后再看这几个脚本可以说完全无压力。

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原文链接：http://www.bridgeli.cn/archives/236