use dry-run switcher in switchreads (#91)

austenLacy · web-flow · commit 46f1deff4c0b · 2023-05-09T16:17:48.000-04:00
Signed-off-by: Austen Lacy &lt;austen.lacy@shopify.com&gt;
Co-authored-by: Austen Lacy &lt;austen.lacy@shopify.com&gt;
diff --git a/go/vt/wrangler/traffic_switcher.go b/go/vt/wrangler/traffic_switcher.go
@@ -397,7 +397,7 @@ func (wr *Wrangler) SwitchReads(ctx context.Context, targetKeyspace, workflowNam
 		return sw.logs(), nil
 	}
 	wr.Logger().Infof("About to switchShardReads: %+v, %+v, %+v", cells, servedTypes, direction)
-	if err := ts.switchShardReads(ctx, cells, servedTypes, direction); err != nil {
+	if err := sw.switchShardReads(ctx, cells, servedTypes, direction); err != nil {
 		ts.Logger().Errorf("switchShardReads failed: %v", err)
 		return nil, err
 	}

Original file line number	Diff line number	Diff line change
`@@ -397,7 +397,7 @@ func (wr *Wrangler) SwitchReads(ctx context.Context, targetKeyspace, workflowNam`
`397`	`397`	`return sw.logs(), nil`
`398`	`398`	`}`
`399`	`399`	`wr.Logger().Infof("About to switchShardReads: %+v, %+v, %+v", cells, servedTypes, direction)`
`400`		`- if err := ts.switchShardReads(ctx, cells, servedTypes, direction); err != nil {`
	`400`	`+ if err := sw.switchShardReads(ctx, cells, servedTypes, direction); err != nil {`
`401`	`401`	`ts.Logger().Errorf("switchShardReads failed: %v", err)`
`402`	`402`	`return nil, err`
`403`	`403`	`}`