enable spanner otel metrics (transparency-dev#858)

phbnf · web-flow · commit c850249102de · 2026-05-11T17:56:44.000+01:00
diff --git a/cmd/tesseract/gcp/main.go b/cmd/tesseract/gcp/main.go
@@ -269,6 +269,7 @@ func newGCPStorage(gc *gcs.Client, hc *http.Client) func(ctx context.Context, si
 			return nil, errors.New("missing spannerDB")
 		}
 
+		spanner.EnableOpenTelemetryMetrics()
 		spannerClient, err := spanner.NewClient(ctx, *spannerDB, option.WithGRPCConnectionPool(*spannerConnections))
 		if err != nil {
 			return nil, fmt.Errorf("failed to create new Spanner client: %v", err)

Original file line number	Diff line number	Diff line change
`@@ -269,6 +269,7 @@ func newGCPStorage(gc gcs.Client, hc http.Client) func(ctx context.Context, si`
`269`	`269`	`return nil, errors.New("missing spannerDB")`
`270`	`270`	`}`
`271`	`271`
	`272`	`+ spanner.EnableOpenTelemetryMetrics()`
`272`	`273`	`spannerClient, err := spanner.NewClient(ctx, spannerDB, option.WithGRPCConnectionPool(spannerConnections))`
`273`	`274`	`if err != nil {`
`274`	`275`	`return nil, fmt.Errorf("failed to create new Spanner client: %v", err)`