03-nacos

# 仅仅增加了nohup
nohup $JAVA ${JAVA_OPT} nacos.nacos >nohup.log 2>&1 &

#!/bin/sh

cygwin=false
darwin=false
os400=false

# 判断当然的操作系统
echo "1, uname:  $(uname)"

case "$(uname)" in
# Cygwin是一个在windows平台上运行的类UNIX模拟环境
CYGWIN*) cygwin=true ;;
# Darwin是由苹果电脑于2000年开发的一个开放原始码操作系统
Darwin*) darwin=true ;;
# ……
OS400*) os400=true ;;
esac

error_exit() {
    echo "ERROR: $1 !!"
    exit 1
}

# $JAVA_HOME的判断，如果没有手动设置，将自动查找
[ ! -e "$JAVA_HOME/bin/java" ] && JAVA_HOME=$HOME/jdk/java
[ ! -e "$JAVA_HOME/bin/java" ] && JAVA_HOME=/usr/java
[ ! -e "$JAVA_HOME/bin/java" ] && JAVA_HOME=/opt/taobao/java
[ ! -e "$JAVA_HOME/bin/java" ] && unset JAVA_HOME

if [ -z "$JAVA_HOME" ]; then
    if $darwin; then

        # java_home -> /System/Library/Frameworks/JavaVM.framework/Versions/Current/Commands/java_home
        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=$(dirname $(readlink -f $(which javac)))
        if [ "x$JAVA_PATH" != "x" ]; then
            export JAVA_HOME=$(dirname $JAVA_PATH 2>/dev/null)
        fi
    fi
    if [ -z "$JAVA_HOME" ]; then
        error_exit "Please set the JAVA_HOME variable in your environment, We need java(x64)! jdk8 or later is better!"
    fi
fi

# 获取入参 <:m:f:> <-m listao -f tao>
export MODE="standalone"
export FUNCTION_MODE="all"
while getopts ":m:f:" opt; do
    case $opt in
    m)
        MODE=$OPTARG
        ;;
    f)
        FUNCTION_MODE=$OPTARG
        ;;
    ?)
        echo "Unknown parameter"
        exit 1
        ;;
    esac
done

export JAVA_HOME
export JAVA="$JAVA_HOME/bin/java"
export BASE_DIR=$(
    cd $(dirname $0)/..
    pwd
)

# /Users/list/Desktop/work/nacos/bin/startup.sh
echo "2, \$0:  $0"
# /Users/list/Desktop/work/nacos
echo "3, \$BASE_DIR $BASE_DIR"

export DEFAULT_SEARCH_LOCATIONS="classpath:/,classpath:/config/,file:./,file:./config/"
export CUSTOM_SEARCH_LOCATIONS=${DEFAULT_SEARCH_LOCATIONS},file:${BASE_DIR}/conf/

#===========================================================================================
# JVM Configuration
#===========================================================================================

# JAVA_OPT 拼接
if [[ "${MODE}" == "standalone" ]]; then
    JAVA_OPT="${JAVA_OPT} -Xms512m -Xmx512m -Xmn256m"
    JAVA_OPT="${JAVA_OPT} -Dnacos.standalone=true"
else
    JAVA_OPT="${JAVA_OPT} -server -Xms2g -Xmx2g -Xmn1g -XX:MetaspaceSize=128m -XX:MaxMetaspaceSize=320m"
    JAVA_OPT="${JAVA_OPT} -XX:-OmitStackTraceInFastThrow -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=${BASE_DIR}/logs/java_heapdump.hprof"
    JAVA_OPT="${JAVA_OPT} -XX:-UseLargePages"

fi

if [[ "${FUNCTION_MODE}" == "config" ]]; then
    JAVA_OPT="${JAVA_OPT} -Dnacos.functionMode=config"
elif [[ "${FUNCTION_MODE}" == "naming" ]]; then
    JAVA_OPT="${JAVA_OPT} -Dnacos.functionMode=naming"
fi

JAVA_MAJOR_VERSION=$($JAVA -version 2>&1 | sed -E -n 's/.* version "([0-9]*).*$/\1/p')
echo '4, \$JAVA_MAJOR_VERSION: ' $JAVA_MAJOR_VERSION
if [[ "$JAVA_MAJOR_VERSION" -ge "9" ]]; then
    JAVA_OPT="${JAVA_OPT} -cp .:${BASE_DIR}/plugins/cmdb/*.jar:${BASE_DIR}/plugins/mysql/*.jar"
    JAVA_OPT="${JAVA_OPT} -Xlog:gc*:file=${BASE_DIR}/logs/nacos_gc.log:time,tags:filecount=10,filesize=102400"
else
    JAVA_OPT="${JAVA_OPT} -Djava.ext.dirs=${JAVA_HOME}/jre/lib/ext:${JAVA_HOME}/lib/ext:${BASE_DIR}/plugins/cmdb:${BASE_DIR}/plugins/mysql"
    JAVA_OPT="${JAVA_OPT} -Xloggc:${BASE_DIR}/logs/nacos_gc.log -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCDateStamps -XX:+PrintGCTimeStamps -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=10 -XX:GCLogFileSize=100M"
fi

JAVA_OPT="${JAVA_OPT} -Dnacos.home=${BASE_DIR}"

# -jar 在.jar前即可
JAVA_OPT="${JAVA_OPT} -Dloader.path=${BASE_DIR}/plugins/health -jar ${BASE_DIR}/target/nacos-server.jar"
JAVA_OPT="${JAVA_OPT} ${JAVA_OPT_EXT}"
JAVA_OPT="${JAVA_OPT} --spring.config.location=${CUSTOM_SEARCH_LOCATIONS}"
JAVA_OPT="${JAVA_OPT} --logging.config=${BASE_DIR}/conf/nacos-logback.xml"
JAVA_OPT="${JAVA_OPT} --server.max-http-header-size=524288"

if [ ! -d "${BASE_DIR}/logs" ]; then
    mkdir ${BASE_DIR}/logs
fi

echo "$JAVA ${JAVA_OPT}"

if [[ "${MODE}" == "standalone" ]]; then
    echo "nacos is starting"
    nohup $JAVA ${JAVA_OPT} nacos.nacos >${BASE_DIR}/nohup.log 2>&1 &
else
    if [ ! -f "${BASE_DIR}/logs/start.out" ]; then
        touch "${BASE_DIR}/logs/start.out"
    fi

    echo "$JAVA ${JAVA_OPT}" >${BASE_DIR}/logs/start.out 2>&1 &
    nohup $JAVA ${JAVA_OPT} nacos.nacos >>${BASE_DIR}/logs/start.out 2>&1 &
    echo "nacos is starting，you can check the ${BASE_DIR}/logs/start.out"
fi