springboot中的shell脚本怎么利用jar方式启动
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用spring boot框架做的项目,将第三方包全部打在jar里面,通过shell脚本启动和停止服务,常用的shell脚本模板如下:
#!/bin/bash JAVA_OPTIONS_INITIAL=-Xms128M JAVA_OPTIONS_MAX=-Xmx512M _JAR_KEYWORDS=monitor-alarm-task-1.0-SNAPSHOT.jar APP_NAME=monitor-alarm-task APPLICATION_FILE=/opt/scpip_monitor/application.properties PID=$(ps aux | grep ${_JAR_KEYWORDS} | grep -v grep | awk '{print $2}' ) ALARM_CONFIG_FILE=`pwd`/alarmConfig.yaml function check_if_process_is_running { if [ "$PID" = "" ]; then return 1 fi ps -p $PID | grep "java" return $? } case "$1" in status) if check_if_process_is_running then echo -e "\033[32m $APP_NAME is running \033[0m" else echo -e "\033[32m $APP_NAME not running \033[0m" fi ;; stop) if ! check_if_process_is_running then echo -e "\033[32m $APP_NAME already stopped \033[0m" exit 0 fi kill -9 $PID echo -e "\033[32m Waiting for process to stop \033[0m" NOT_KILLED=1 for i in {1..20}; do if check_if_process_is_running then echo -ne "\033[32m . \033[0m" sleep 1 else NOT_KILLED=0 fi done echo if [ $NOT_KILLED = 1 ] then echo -e "\033[32m Cannot kill process \033[0m" exit 1 fi echo -e "\033[32m $APP_NAME already stopped \033[0m" ;; start) if [ "$PID" != "" ] && check_if_process_is_running then echo -e "\033[32m $APP_NAME already running \033[0m" exit 1 fi nohup java -jar -Dalarm.config.file=$ALARM_CONFIG_FILE $JAVA_OPTIONS_INITIAL $JAVA_OPTIONS_MAX $_JAR_KEYWORDS --spring.config.location=$APPLICATION_FILE > /dev/null 2>&1 & echo -ne "\033[32m Starting \033[0m" for i in {1..20}; do echo -ne "\033[32m.\033[0m" sleep 1 done if check_if_process_is_running then echo -e "\033[32m $APP_NAME fail \033[0m" else echo -e "\033[32m $APP_NAME started \033[0m" fi ;; restart) $0 stop if [ $? = 1 ] then exit 1 fi $0 start ;; *) echo "Usage: $0 {start|stop|restart|status}" exit 1 esac exit 0
正真启动的命令:
复制代码 代码如下:
nohup java -jar -Dalarm.config.file=$ALARM_CONFIG_FILE $JAVA_OPTIONS_INITIAL $JAVA_OPTIONS_MAX $_JAR_KEYWORDS --spring.config.location=$APPLICATION_FILE > /dev/null 2>&1 &
其中-Dalarm.config.file 指定了外部配置文件的路径,在service初始化中通过这个路径读取外部配置文件,然后解析成对象,如下:
import java.io.BufferedReader; import java.io.FileInputStream; import java.io.InputStream; import java.io.InputStreamReader; import java.util.HashMap; import java.util.List; import java.util.Map; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.stereotype.Service; import org.yaml.snakeyaml.Yaml; import scpip.monitor.task.obj.MetricObj; @Service public class AlarmConfigService { private final Logger logger = LoggerFactory.getLogger(this.getClass()); private MapmetricMap; public AlarmConfigService (){ metricMap = new HashMap (); init(); } private void init(){ BufferedReader buffer; try { InputStream cpResource = new FileInputStream(getAlarmConfigFile()); buffer = new BufferedReader(new InputStreamReader(cpResource,"utf-8")); Yaml yaml = new Yaml(); //Map >> object = (Map >>) yaml.load(getAlarmConfigFile()); Map >> object = (Map >>) yaml.load(buffer); logger.info("object==" + object); parseConfigMap(object); } catch (Exception e) { e.printStackTrace(); } } public Map getMetricMap() { return metricMap; } //{metricName=当前响应时间, alarmValue=10,20,40, columnName=response_time}, private void parseConfigMap(Map >> object){ MetricObj obj = null; for (String key : object.keySet()) { List
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