From 0c64d88d64f9e6065f49157d73562e9d00fa11cd Mon Sep 17 00:00:00 2001
From: Ryan McKinley <ryantxu@gmail.com>
Date: Mon, 19 Apr 2021 00:47:14 -0700
Subject: [PATCH] Live: support legacy stream paths (#33101)

---
 public/app/plugins/datasource/grafana/datasource.ts | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/public/app/plugins/datasource/grafana/datasource.ts b/public/app/plugins/datasource/grafana/datasource.ts
index 4cb75598f8b..8a871ec196f 100644
--- a/public/app/plugins/datasource/grafana/datasource.ts
+++ b/public/app/plugins/datasource/grafana/datasource.ts
@@ -30,7 +30,15 @@ export class GrafanaDatasource extends DataSourceApi<GrafanaQuery> {
         continue;
       }
       if (target.queryType === GrafanaQueryType.LiveMeasurements) {
-        const { channel, filter } = target;
+        let { channel, filter } = target;
+
+        // Help migrate pre-release channel paths saved in dashboards
+        // NOTE: this should be removed before V8 is released
+        if (channel && channel.startsWith('telegraf/')) {
+          channel = 'stream/' + channel;
+          target.channel = channel; // mutate the current query object so it is saved with `stream/` prefix
+        }
+
         const addr = parseLiveChannelAddress(channel);
         if (!isValidLiveChannelAddress(addr)) {
           continue;