添加脚本守护进程

zgztb_cookie/start_list_m.sh

@@ -0,0 +1,115 @@
+#!/bin/bash
+set -e
+set -x
+
+log() {
+    local message="$1"
+    echo "$(date +'%Y-%m-%d %H:%M:%S') - $message" | tee -a /var/log/spider_daemon.log
+}
+
+
+function main() {
+    local workPath="/mnt"
+    local procName="zgzbtb_spider_m.py"
+
+    # 检查参数是否提供
+    if [ -z "$procName" ]; then
+        echo "Usage: $0 <process_name>"
+        exit 1
+    fi
+
+    cd "$workPath" || { log "Failed to change directory to $workPath"; exit 1; }
+
+    local pids=$(pgrep -f "$procName")
+
+    # $? = 保存最后一个执行的命令的退出状态码，这里是指 launchProc 启动的进程
+    if launchProcWithLock "$workPath" "$procName" "$pids"; then
+        log "Process launched successfully, skipping further checks."
+        exit 0
+    fi
+
+    checkProc "$pids"
+    clearZombieProc
+    launchProcWithLock "$workPath" "$procName" "$pids"
+}
+
+
+function clearZombieProc() {
+    zombieProc="$(ps -A -ostat,ppid,pid,cmd | grep -e '^[Zz]' | awk '{print $2}')"
+    if [ -z "$zombieProc" ]; then
+        log "no detect zombie process(es)"
+    else
+        log "kill zombie process(es)...{$zombieProc}"
+        ps -A -ostat,ppid,pid,cmd | grep -e '^[Zz]' | awk '{print $2}' | xargs kill -9
+    fi
+}
+
+
+function launchProcWithLock() {
+    local workPath=$1
+    local procName=$2
+    local pids=$3
+    if [ -z "$pids" ]; then
+        local lockfile=""$workPath"/"$procName""
+        # 打开文件描述符7指向锁文件
+        exec 7<"$lockfile" || { log "Failed to open lockfile: $lockfile"; exit 1; }
+        if flock -xn 7; then
+            nohup python3 "$procName" >/dev/null 2>&1 &
+            log "launch '$procName' success, PID: $!" # $! = 最近一次在后台运行的进程的PID（进程标识符）
+            exec 7<&-  # 关闭文件描述符7
+            return 0
+        else
+            log "Process(es) '$procName' is already running."
+            exec 7<&-
+            return 1
+        fi
+    else
+        log "Process(es) with PID(s) $pids are already running."
+        return 1
+    fi
+}
+
+
+function checkProc() {
+    local pids=$1
+    for pid in $pids; do
+        # 获取进程的启动时间
+        startTime=$(ps -o lstart= -p $pid)
+
+        # 将startTime转换为日期格式
+        startDate=$(date -d "$startTime" +%s)
+        if [ $? -ne 0 ]; then
+            log "Error: Invalid date format for PID $pid: $startTime"
+            continue
+        fi
+
+        # 获取当前时间（秒）
+        nowDate=$(date +%s)
+
+        # 计算运行时间（秒）
+        runtimeSec=$((nowDate - startDate))
+
+        # 转换为更易读的格式
+        days=$((runtimeSec / 86400))
+        runtimeSec=$((runtimeSec % 86400))
+        hours=$((runtimeSec / 3600))
+        runtimeSec=$((runtimeSec % 3600))
+        minutes=$((runtimeSec / 60))
+        seconds=$((runtimeSec % 60))
+
+        if [ ${seconds} -ge 5 ]; then
+            # 尝试发送终止信号，让进程自行处理退出操作
+            kill -9 "$pid"
+            log "kill process $pid"
+        fi
+
+        log "Process ID: $pid"
+        log "Start Time: $startTime"
+        log "Runtime: ${days} days, ${hours} hours, ${minutes} minutes, and ${seconds} seconds"
+        log "----------------------------------"
+    done
+}
+
+
+main
+