[backplane] Migrate to v1alpha2.Proxy

Author: dilyevsky

cmd/backplane/main.go

@@ -425,8 +425,8 @@ func main() {
 	go func() {
 		<-sig
 		log.Infof("Received SIGTERM, shutting down")
-		pctrl.Shutdown(ctx, "received SIGTERM") // Blocks until all resources are released.
-		metricsCancel()                         // Cancel metrics server context
+		pctrl.Shutdown(ctx) // Blocks until all resources are released.
+		metricsCancel()     // Cancel metrics server context
 		os.Exit(0)
 	}()
 

go.sum

@@ -539,8 +539,6 @@ github.com/google/flatbuffers v24.3.25+incompatible h1:CX395cjN9Kke9mmalRoL3d81A
 github.com/google/flatbuffers v24.3.25+incompatible/go.mod h1:1AeVuKshWv4vARoZatz6mlQ0JxURH0Kv5+zNeJKJCa8=
 github.com/google/gnostic-models v0.6.9 h1:MU/8wDLif2qCXZmzncUQ/BOfxWfthHi63KqpoNbWqVw=
 github.com/google/gnostic-models v0.6.9/go.mod h1:CiWsm0s6BSQd1hRn8/QmxqB6BesYcbSZxsz9b0KuDBw=
-github.com/google/gnostic-models v0.7.0 h1:qwTtogB15McXDaNqTZdzPJRHvaVJlAl+HVQnLmJEJxo=
-github.com/google/gnostic-models v0.7.0/go.mod h1:whL5G0m6dmc5cPxKc5bdKdEN3UjI7OUGxBlw57miDrQ=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=