106 lines
2.7 KiB
Go
106 lines
2.7 KiB
Go
package cmd
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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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"path/filepath"
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"strings"
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"ifms/internal/bootstrap"
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"ifms/internal/config"
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"github.com/urfave/cli/v2"
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)
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// The function defines a CLI command to start a server with various flags and options, including the
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// ability to run as a daemon.
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func StartCmd() *cli.Command {
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return &cli.Command{
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Name: "start",
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Usage: "Start server",
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Flags: []cli.Flag{
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&cli.StringFlag{
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Name: "workdir",
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Aliases: []string{"d"},
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Usage: "Working directory",
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DefaultText: "configs",
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Value: "configs",
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},
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&cli.StringFlag{
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Name: "config",
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Aliases: []string{"c"},
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Usage: "Runtime configuration files or directory (relative to workdir, multiple separated by commas)",
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DefaultText: "dev",
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Value: "dev",
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},
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&cli.StringFlag{
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Name: "static",
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Aliases: []string{"s"},
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Usage: "Static files directory",
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},
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&cli.BoolFlag{
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Name: "daemon",
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Usage: "Run as a daemon",
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},
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},
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Action: func(c *cli.Context) error {
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workDir := c.String("workdir")
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staticDir := c.String("static")
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configs := c.String("config")
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if c.Bool("daemon") {
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bin, err := filepath.Abs(os.Args[0])
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if err != nil {
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fmt.Printf("failed to get absolute path for command: %s \n", err.Error())
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return err
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}
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args := []string{"start"}
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args = append(args, "-d", workDir)
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args = append(args, "-c", configs)
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args = append(args, "-s", staticDir)
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fmt.Printf("execute command: %s %s \n", bin, strings.Join(args, " "))
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command := exec.Command(bin, args...)
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// Redirect stdout and stderr to log file
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stdLogFile := fmt.Sprintf("%s.log", c.App.Name)
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file, err := os.OpenFile(stdLogFile, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
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if err != nil {
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fmt.Printf("failed to open log file: %s \n", err.Error())
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return err
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}
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defer file.Close()
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command.Stdout = file
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command.Stderr = file
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err = command.Start()
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if err != nil {
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fmt.Printf("failed to start daemon thread: %s \n", err.Error())
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return err
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}
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// Don't wait for the command to finish
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// The main process will exit, allowing the daemon to run independently
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fmt.Printf("Service %s daemon thread started successfully\n", config.C.General.AppName)
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pid := command.Process.Pid
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_ = os.WriteFile(fmt.Sprintf("%s.lock", c.App.Name), []byte(fmt.Sprintf("%d", pid)), 0666)
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fmt.Printf("service %s daemon thread started with pid %d \n", config.C.General.AppName, pid)
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os.Exit(0)
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}
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err := bootstrap.Run(context.Background(), bootstrap.RunConfig{
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WorkDir: workDir,
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Configs: configs,
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StaticDir: staticDir,
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})
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if err != nil {
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panic(err)
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}
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return nil
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},
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}
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}
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