161 lines
5.6 KiB
Bash
161 lines
5.6 KiB
Bash
#!/bin/bash
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set -e
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DATE=$(date +%Y%m%d%H%M)
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# 基础路径
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BASE_PATH=/work/projects/yudao-server
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# 编译后 jar 的地址。部署时，Jenkins 会上传 jar 包到该目录下
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SOURCE_PATH=$BASE_PATH/build
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# 服务名称。同时约定部署服务的 jar 包名字也为它。
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SERVER_NAME=yudao-server
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# 环境
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PROFILES_ACTIVE=development
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# 健康检查 URL
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HEALTH_CHECK_URL=http://127.0.0.1:48080/actuator/health/
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# heapError 存放路径
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HEAP_ERROR_PATH=$BASE_PATH/heapError
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# JVM 参数
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JAVA_OPS="-Xms512m -Xmx512m -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=$HEAP_ERROR_PATH"
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# SkyWalking Agent 配置
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#export SW_AGENT_NAME=$SERVER_NAME
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#export SW_AGENT_COLLECTOR_BACKEND_SERVICES=192.168.0.84:11800
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#export SW_GRPC_LOG_SERVER_HOST=192.168.0.84
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#export SW_AGENT_TRACE_IGNORE_PATH="Redisson/PING,/actuator/**,/admin/**"
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#export JAVA_AGENT=-javaagent:/work/skywalking/apache-skywalking-apm-bin/agent/skywalking-agent.jar
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# 备份
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function backup() {
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# 如果不存在，则无需备份
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if [ ! -f "$BASE_PATH/$SERVER_NAME.jar" ]; then
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echo "[backup] $BASE_PATH/$SERVER_NAME.jar 不存在，跳过备份"
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# 如果存在，则备份到 backup 目录下，使用时间作为后缀
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else
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echo "[backup] 开始备份 $SERVER_NAME ..."
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cp $BASE_PATH/$SERVER_NAME.jar $BASE_PATH/backup/$SERVER_NAME-$DATE.jar
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echo "[backup] 备份 $SERVER_NAME 完成"
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fi
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}
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# 最新构建代码 移动到项目环境
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function transfer() {
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echo "[transfer] 开始转移 $SERVER_NAME.jar"
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# 删除原 jar 包
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if [ ! -f "$BASE_PATH/$SERVER_NAME.jar" ]; then
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echo "[transfer] $BASE_PATH/$SERVER_NAME.jar 不存在，跳过删除"
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else
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echo "[transfer] 移除 $BASE_PATH/$SERVER_NAME.jar 完成"
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rm $BASE_PATH/$SERVER_NAME.jar
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fi
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# 复制新 jar 包
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echo "[transfer] 从 $SOURCE_PATH 中获取 $SERVER_NAME.jar 并迁移至 $BASE_PATH ...."
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cp $SOURCE_PATH/$SERVER_NAME.jar $BASE_PATH
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echo "[transfer] 转移 $SERVER_NAME.jar 完成"
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}
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# 停止：优雅关闭之前已经启动的服务
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function stop() {
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echo "[stop] 开始停止 $BASE_PATH/$SERVER_NAME"
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PID=$(ps -ef | grep $BASE_PATH/$SERVER_NAME | grep -v "grep" | awk '{print $2}')
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# 如果 Java 服务启动中，则进行关闭
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if [ -n "$PID" ]; then
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# 正常关闭
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echo "[stop] $BASE_PATH/$SERVER_NAME 运行中，开始 kill [$PID]"
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kill -15 $PID
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# 等待最大 120 秒，直到关闭完成。
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for ((i = 0; i < 120; i++))
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do
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sleep 1
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PID=$(ps -ef | grep $BASE_PATH/$SERVER_NAME | grep -v "grep" | awk '{print $2}')
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if [ -n "$PID" ]; then
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echo -e ".\c"
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else
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echo "[stop] 停止 $BASE_PATH/$SERVER_NAME 成功"
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break
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fi
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done
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# 如果正常关闭失败，那么进行强制 kill -9 进行关闭
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if [ -n "$PID" ]; then
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echo "[stop] $BASE_PATH/$SERVER_NAME 失败，强制 kill -9 $PID"
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kill -9 $PID
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fi
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# 如果 Java 服务未启动，则无需关闭
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else
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echo "[stop] $BASE_PATH/$SERVER_NAME 未启动，无需停止"
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fi
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}
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# 启动：启动后端项目
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function start() {
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# 开启启动前，打印启动参数
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echo "[start] 开始启动 $BASE_PATH/$SERVER_NAME"
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echo "[start] JAVA_OPS: $JAVA_OPS"
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echo "[start] JAVA_AGENT: $JAVA_AGENT"
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echo "[start] PROFILES: $PROFILES_ACTIVE"
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# 开始启动
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BUILD_ID=dontKillMe nohup java -server $JAVA_OPS $JAVA_AGENT -jar $BASE_PATH/$SERVER_NAME.jar --spring.profiles.active=$PROFILES_ACTIVE &
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echo "[start] 启动 $BASE_PATH/$SERVER_NAME 完成"
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}
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# 健康检查：自动判断后端项目是否正常启动
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function healthCheck() {
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# 如果配置健康检查，则进行健康检查
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if [ -n "$HEALTH_CHECK_URL" ]; then
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# 健康检查最大 120 秒，直到健康检查通过
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echo "[healthCheck] 开始通过 $HEALTH_CHECK_URL 地址，进行健康检查";
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for ((i = 0; i < 120; i++))
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do
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# 请求健康检查地址，只获取状态码。
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result=`curl -I -m 10 -o /dev/null -s -w %{http_code} $HEALTH_CHECK_URL || echo "000"`
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# 如果状态码为 200，则说明健康检查通过
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if [ "$result" == "200" ]; then
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echo "[healthCheck] 健康检查通过";
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break
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# 如果状态码非 200，则说明未通过。sleep 1 秒后，继续重试
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else
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echo -e ".\c"
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sleep 1
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fi
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done
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# 健康检查未通过，则异常退出 shell 脚本，不继续部署。
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if [ ! "$result" == "200" ]; then
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echo "[healthCheck] 健康检查不通过，可能部署失败。查看日志，自行判断是否启动成功";
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tail -n 10 nohup.out
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exit 1;
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# 健康检查通过，打印最后 10 行日志，可能部署的人想看下日志。
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else
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tail -n 10 nohup.out
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fi
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# 如果未配置健康检查，则 sleep 120 秒，人工看日志是否部署成功。
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else
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echo "[healthCheck] HEALTH_CHECK_URL 未配置，开始 sleep 120 秒";
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sleep 120
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echo "[healthCheck] sleep 120 秒完成，查看日志，自行判断是否启动成功";
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tail -n 50 nohup.out
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fi
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}
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# 部署
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function deploy() {
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cd $BASE_PATH
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# 备份原 jar
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backup
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# 停止 Java 服务
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stop
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# 部署新 jar
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transfer
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# 启动 Java 服务
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start
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# 健康检查
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healthCheck
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}
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deploy
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