From 31d141b2675245fb4366eff71b4a01995be05204 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Torkel=20=C3=96degaard?= <torkel@grafana.com>
Date: Wed, 16 Mar 2022 07:57:12 +0100
Subject: [PATCH] Dashboards: Fixes repeating by row and no refresh (#46565)

---
 .../dashboard/state/DashboardModel.repeat.test.ts         | 8 ++++++++
 public/app/features/dashboard/state/DashboardModel.ts     | 1 -
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/public/app/features/dashboard/state/DashboardModel.repeat.test.ts b/public/app/features/dashboard/state/DashboardModel.repeat.test.ts
index 92ab69d029a..e393b98d8eb 100644
--- a/public/app/features/dashboard/state/DashboardModel.repeat.test.ts
+++ b/public/app/features/dashboard/state/DashboardModel.repeat.test.ts
@@ -587,6 +587,14 @@ describe('given dashboard with row and panel repeat', () => {
     expect(panelTypes).toEqual(['row', 'graph', 'graph', 'row', 'graph', 'graph']);
   });
 
+  it('Row repeat should create new panel keys every repeat cycle', () => {
+    // This is the first repeated panel inside the second repeated row
+    // Since we create a new panel model every time (and new panel events bus) we need to create a new key here to trigger a re-mount & re-subscribe
+    const key1 = dashboard.panels[3].key;
+    dashboard.processRepeats();
+    expect(key1).not.toEqual(dashboard.panels[3].key);
+  });
+
   it('should clean up old repeated panels', () => {
     dashboardJSON.panels = [
       {
diff --git a/public/app/features/dashboard/state/DashboardModel.ts b/public/app/features/dashboard/state/DashboardModel.ts
index 17106080bba..1b74ac55d93 100644
--- a/public/app/features/dashboard/state/DashboardModel.ts
+++ b/public/app/features/dashboard/state/DashboardModel.ts
@@ -799,7 +799,6 @@ export class DashboardModel implements TimeModel {
   updateRepeatedPanelIds(panel: PanelModel, repeatedByRow?: boolean) {
     panel.repeatPanelId = panel.id;
     panel.id = this.getNextPanelId();
-    panel.key = `${panel.id}`;
     panel.repeatIteration = this.iteration;
     if (repeatedByRow) {
       panel.repeatedByRow = true;