add auto open browser

Signed-off-by: Weifeng Wang <[email protected]>

internal/common.go

@@ -9,8 +9,10 @@ import (
 	"os"
 	"os/exec"
 	"os/signal"
+	"runtime"
 	"strings"
 	"syscall"
+	"time"
 )
 
 func ExecuteCommand(command string, args ...string) error {
@@ -49,8 +51,61 @@ func ExecuteCommand(command string, args ...string) error {
 			if err != nil {
 				os.Exit(1) // Exit with a status code of 1 upon failure
 			}
+			browser(target)
 		}
 	}
 
 	return nil
 }
+
+func browser(target string) {
+	if strings.HasPrefix(target, "up-") {
+		OpenBrowser("http://localhost:3000/explore")
+	} else if strings.HasPrefix(target, "deploy-") {
+		OpenBrowser("http://localhost:8080/explore")
+	}
+	return
+}
+
+// openArgs returns a list of possible args to use to open a url.
+func openArgs() []string {
+	var cmds []string
+	switch runtime.GOOS {
+	case "darwin":
+		cmds = []string{"/usr/bin/open"}
+	case "windows":
+		cmds = []string{"cmd", "/c", "start"}
+	default:
+		if os.Getenv("DISPLAY") != "" {
+			// xdg-open is only for use in a desktop environment.
+			cmds = []string{"xdg-open"}
+		}
+	}
+
+	return cmds
+}
+
+// OpenBrowser tries to open url in a browser and reports whether it succeeded.
+func OpenBrowser(url string) bool {
+	args := openArgs()
+	cmd := exec.Command(args[0], append(args[1:], url)...)
+	if cmd.Start() == nil && appearsSuccessful(cmd, 5*time.Second) {
+		return true
+	}
+	return false
+}
+
+// appearsSuccessful reports whether the command appears to have run successfully.
+// If the command runs longer than the timeout, it's deemed successful.
+// If the command runs within the timeout, it's deemed successful if it exited cleanly.
+func appearsSuccessful(cmd *exec.Cmd, timeout time.Duration) bool {
+	errc := make(chan error, 1)
+	go func() { errc <- cmd.Wait() }()
+
+	select {
+	case <-time.After(timeout):
+		return true
+	case err := <-errc:
+		return err == nil
+	}
+}