Linux 批量启动微服务

2022 年 08 月 27 日

3016字数

```bash
#! /bin/bash
clientName=(
  admin-rpc
  admin-api
  order-rpc
  order-api
  client-rpc
  client-api
  user-rpc
  user-api
  api-api
  mqueue-scheduler
  mqueue-job
)
# jarPath=(gateway-server2 oauth2-server2)

DIR=/usr/src/code/data/server

length=${#clientName[*]}

case "$1" in

\
  logs)
  pids=$(ps -ef | grep -w $2 | grep -v "grep" | awk '{\$1="";print \$2}')
  pid=$(echo $pids | awk '{print $1}')
  if [ -n "$pid" ]; then
    path=$(ls -lrt /proc/$pid/cwd | awk '{print $11}')
    cd $path
    tail -f -n 300 ./log/logs.out
  else
    echo -e "程序未启动或不存在"
  fi
  ;;
start)
  echo
  echo "======================== 服务正在启动中 ==================="
  for ((i = 0; i < $length; i++)); do
    #echo "=============  ${clientName[i]}  =================="
    # cd $DIR/${jarPath[i]}
    cd $DIR/
    # rm -rf nohup.out
    #nohup java -jar -Xms256m -Xmx256m -Xmn256m -XX:PermSize=256m -XX:MaxPermSize=256m  ${clientName[i]} &

# 检查是否已运行
    pid=$(ps -ef | grep -w ${clientName[i]} | grep -v "grep" | awk '{print $2}')
    if [ -n "$pid" ]; then
      echo -e "${clientName[i]} \t \033[31m 已经启动\033[0m    pid: $pid"
      continue # 已运行则跳过
    else
      # nohup ./${clientName[i]} -f ./yaml/${clientName[i]}.yaml >>./log/log-$(date +%Y-%m-%d).log 2>&1 & # 启动
      nohup ./${clientName[i]} -f ./yaml/${clientName[i]}.yaml >>./log/logs.out 2>&1 & # 启动
    fi
    for ((j = 0; j < 60; j++)); do # 检测是否启动成功
      pid=$(ps -ef | grep -w ${clientName[i]} | grep -v "grep" | awk '{print $2}')
      if [ -n "$pid" ]; then
        break # 启动成功
      fi
      sleep 0.1
    done
    if [ -n "$pid" ]; then
      echo -e "${clientName[i]} \t \033[32m 成功 \033[0m "
    else
      echo -e "${clientName[i]} \t \033[31m 失败 \033[0m"
    fi
  done

echo

;;

stop)
  echo
  echo "====================== 服务正在停止  ==========================="
  for ((i = 0; i < $length; i++)); do
    if ps -ef | grep ${clientName[i]} | grep -v "grep" &>/dev/null; then
      pid=$(ps -ef | grep ${clientName[i]} | grep -v "grep" | awk '{print $2}')
      kill -9 ${pid}
      echo -e "${clientName[i]}  \t \033[32m 成功 \033[0m"
    else
      echo -e "${clientName[i]}  \t \033[32m 成功 \033[0m"
    fi
  done
  echo
  ;;

\
  restart)
  $0 stop
  sleep 6
  $0 start
  echo -e "\033 [32m 所有服务重启完成....\033[0m"
  ;;

\
  status)
  echo
  echo "=======================   服务运行状态   ===================="
  for ((i = 0; i < $length; i++)); do
    pid=$(ps -ef | grep -w ${clientName[i]} | grep -v "grep" | awk '{print $2}')
    if [ -n "$pid" ]; then
      echo -e "${clientName[i]} \t \033[32m正常\033[0m    pid: $pid"

else
      echo -e "${clientName[i]} \t \033[31m 未运行 \033[0m"
    fi
  done
  echo
  ;;

esac

```

```
./start.sh start # 启动服务
./start.sh stop # 停止服务
./start.sh status # 查看服务
./start.sh log # 查看日志
```

> 由于nohup写出的日志会越来越大 , 所以需要分割日志

> [【Linux】nohup日志进行定时拆分](https://blog.11dz.cn/archives/552.html)

最后修改：2022 年 08 月 27 日