122 lines
3.5 KiB
Go
122 lines
3.5 KiB
Go
package main
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import (
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"bufio"
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"context"
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"errors"
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"fmt"
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"io"
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"log"
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"os"
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"os/exec"
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"strings"
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"sync"
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"time"
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)
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// scriptTimeout 脚本执行超时上限（15 分钟）
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const scriptTimeout = 60 * time.Minute
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// shortCommit 安全地取 commit 短 ID，避免空值/短值切片越界 panic
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func shortCommit(commitID string) string {
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if len(commitID) > 7 {
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return commitID[:7]
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}
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if commitID == "" {
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return "unknown"
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}
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return commitID
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}
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// streamLog 逐行读取并实时打印脚本输出，直到 r 关闭
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func streamLog(r io.Reader, tag string) {
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br := bufio.NewReader(r)
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for {
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line, err := br.ReadString('\n')
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if line != "" {
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log.Printf("[SCRIPT %s] %s", tag, strings.TrimRight(line, "\r\n"))
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}
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if err != nil {
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return
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}
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}
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}
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// notifyResult 发送执行结果通知
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func notifyResult(ok bool, repoName, ref, commitID string, cost time.Duration, reason string) {
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state := "成功"
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if !ok {
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state = "失败"
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}
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title := fmt.Sprintf("%s更新%s", repoName, state)
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body := fmt.Sprintf("分支: %s\nCommit: %s\n耗时: %s\n原因: %s\n服务器已接收到 Push，更新%s",
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ref, shortCommit(commitID), cost.Round(time.Second), reason, state)
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if err := SendNotification(pushURL, globalConfig.DeviceKeys, title, body); err != nil {
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log.Printf("[WARNING] 推送通知失败: %v", err)
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return
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}
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log.Println("[INFO] 推送通知发送成功")
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}
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// runScript 异步执行 Shell 脚本，输出实时流式打印，超时 15 分钟
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func runScript(scriptPath, repoName, ref, commitID string) {
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start := time.Now()
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tag := fmt.Sprintf("%s:%s", repoName, ref)
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log.Printf("[INFO] 开始执行脚本: %s (仓库: %s, 分支: %s) 超时上限 %s",
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scriptPath, repoName, ref, scriptTimeout)
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ctx, cancel := context.WithTimeout(context.Background(), scriptTimeout)
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defer cancel()
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cmd := exec.CommandContext(ctx, "bash", scriptPath)
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// 超时/取消后最多再给 10 秒让进程优雅退出；超时则强制 SIGKILL
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cmd.WaitDelay = 10 * time.Second
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// 传入环境变量，脚本内可读取
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cmd.Env = append(os.Environ(),
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fmt.Sprintf("GIT_REPO_NAME=%s", repoName),
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fmt.Sprintf("GIT_REF=%s", ref),
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fmt.Sprintf("GIT_COMMIT_ID=%s", commitID),
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)
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// stdout / stderr 合并到同一个管道，保持原有交错顺序
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pr, pw := io.Pipe()
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cmd.Stdout = pw
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cmd.Stderr = pw
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if err := cmd.Start(); err != nil {
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pw.Close()
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pr.Close()
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log.Printf("[ERROR] 脚本启动失败 [%s]: %v", scriptPath, err)
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notifyResult(false, repoName, ref, commitID, time.Since(start), fmt.Sprintf("启动失败: %v", err))
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return
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}
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var wg sync.WaitGroup
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wg.Go(func() {
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streamLog(pr, tag)
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})
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err := cmd.Wait() // 进程退出 + 内部 copy goroutine 结束
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pw.Close() // 关闭写端，读端收到 EOF
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wg.Wait() // 等日志全部刷完再往下走
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cost := time.Since(start)
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// 先判断超时（ctx.Err() 在超时/取消时非 nil）
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switch {
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case errors.Is(ctx.Err(), context.DeadlineExceeded):
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log.Printf("[TIMEOUT] 脚本执行超时 [%s] 已运行 %s 上限 %s", scriptPath, cost.Round(time.Second), scriptTimeout)
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notifyResult(false, repoName, ref, commitID, cost, "执行超时，已强制终止")
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return
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case err != nil:
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log.Printf("[ERROR] 脚本执行失败 [%s] 耗时 %s: %v", scriptPath, cost.Round(time.Millisecond), err)
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notifyResult(false, repoName, ref, commitID, cost, err.Error())
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return
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}
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log.Printf("[SUCCESS] 脚本执行成功 [%s] 耗时 %s", scriptPath, cost.Round(time.Millisecond))
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notifyResult(true, repoName, ref, commitID, cost, "执行成功")
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}
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