add random ext to screenshots

johnstcn · johnstcn · commit 017c57e81707 · 2023-10-11T10:30:05.000+01:00
diff --git a/scaletest/dashboard/chromedp.go b/scaletest/dashboard/chromedp.go
@@ -13,6 +13,8 @@ import (
 	"github.com/chromedp/chromedp"
 	"golang.org/x/xerrors"
 
+	"github.com/coder/coder/v2/cryptorand"
+
 	"cdr.dev/slog"
 )
 
@@ -235,7 +237,12 @@ func Screenshot(ctx context.Context, name string) (string, error) {
 	if err := chromedp.Run(ctx, chromedp.CaptureScreenshot(&buf)); err != nil {
 		return "", xerrors.Errorf("capture screenshot: %w", err)
 	}
-	fname := fmt.Sprintf("scaletest-dashboard-%s-%s.png", name, time.Now().Format("20060102-150405"))
+	randExt, err := cryptorand.String(4)
+	if err != nil {
+		// this should never happen
+		return "", xerrors.Errorf("generate random string: %w", err)
+	}
+	fname := fmt.Sprintf("scaletest-dashboard-%s-%s-%s.png", name, time.Now().Format("20060102-150405"), randExt)
 	pwd := os.Getenv("PWD")
 	fpath := filepath.Join(pwd, fname)
 	f, err := os.OpenFile(fpath, os.O_CREATE|os.O_WRONLY, 0o644)
