55 lines
1.2 KiB
Go
55 lines
1.2 KiB
Go
package main
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import (
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"context"
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"fmt"
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"os"
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"os/exec"
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"os/signal"
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"syscall"
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"github.com/labstack/echo/v4"
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)
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func spawnProcess(cmd string, args []string, e *echo.Echo) error {
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shutdown := make(chan os.Signal, 1)
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signal.Notify(shutdown, syscall.SIGINT, syscall.SIGTERM, syscall.SIGQUIT)
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go func() {
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cmd := exec.Command(cmd, args...)
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cmd.Stderr = os.Stderr
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// use a preocess group since otherwise the node processes spawned by bun wont die
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cmd.SysProcAttr = &syscall.SysProcAttr{Setpgid: true}
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err := cmd.Start()
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if err != nil {
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if err := syscall.Kill(-cmd.Process.Pid, syscall.SIGTERM); err != nil {
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fmt.Println("Error sending SIGTERM to sub process group:", err)
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}
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fmt.Println("Error starting sub process:", err)
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return
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}
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go func() {
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<-shutdown
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if err := syscall.Kill(-cmd.Process.Pid, syscall.SIGTERM); err != nil {
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fmt.Println("Error sending SIGTERM to sub process group:", err)
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}
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}()
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if err := cmd.Wait(); err != nil {
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fmt.Println("Error waiting for sub process to exit:", err)
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}
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fmt.Println("sub process server stopped")
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if err := e.Shutdown(context.Background()); err != nil {
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fmt.Println("Error shutting down HTTP server:", err)
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}
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}()
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return nil
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}
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