GCP Observability: Fix view names for started and completed rpcs (#31898)

include/grpcpp/opencensus.h

@@ -74,6 +74,12 @@ extern const absl::string_view kRpcServerServerLatencyMeasureName;
 extern const absl::string_view kRpcServerStartedRpcsMeasureName;
 
 // Canonical gRPC view definitions.
+const ::opencensus::stats::ViewDescriptor& ClientStartedRpcs();
+const ::opencensus::stats::ViewDescriptor& ClientCompletedRpcs();
+
+const ::opencensus::stats::ViewDescriptor& ServerStartedRpcs();
+const ::opencensus::stats::ViewDescriptor& ServerCompletedRpcs();
+
 const ::opencensus::stats::ViewDescriptor& ClientSentMessagesPerRpcCumulative();
 const ::opencensus::stats::ViewDescriptor& ClientSentBytesPerRpcCumulative();
 const ::opencensus::stats::ViewDescriptor&

src/cpp/ext/filters/census/views.cc

@@ -88,6 +88,50 @@ void RegisterOpenCensusViewsForExport() {
 
 namespace experimental {
 
+// client
+const ViewDescriptor& ClientStartedRpcs() {
+  const static ViewDescriptor descriptor =
+      ViewDescriptor()
+          .set_name("grpc.io/client/started_rpcs")
+          .set_measure(kRpcClientStartedRpcsMeasureName)
+          .set_aggregation(Aggregation::Count())
+          .add_column(ClientMethodTagKey());
+  return descriptor;
+}
+
+const ViewDescriptor& ClientCompletedRpcs() {
+  const static ViewDescriptor descriptor =
+      ViewDescriptor()
+          .set_name("grpc.io/client/completed_rpcs")
+          .set_measure(kRpcClientRoundtripLatencyMeasureName)
+          .set_aggregation(Aggregation::Count())
+          .add_column(ClientMethodTagKey())
+          .add_column(ClientStatusTagKey());
+  return descriptor;
+}
+
+// server
+const ViewDescriptor& ServerStartedRpcs() {
+  const static ViewDescriptor descriptor =
+      ViewDescriptor()
+          .set_name("grpc.io/server/started_rpcs")
+          .set_measure(kRpcServerStartedRpcsMeasureName)
+          .set_aggregation(Aggregation::Count())
+          .add_column(ServerMethodTagKey());
+  return descriptor;
+}
+
+const ViewDescriptor& ServerCompletedRpcs() {
+  const static ViewDescriptor descriptor =
+      ViewDescriptor()
+          .set_name("grpc.io/server/completed_rpcs")
+          .set_measure(kRpcServerServerLatencyMeasureName)
+          .set_aggregation(Aggregation::Count())
+          .add_column(ServerMethodTagKey())
+          .add_column(ServerStatusTagKey());
+  return descriptor;
+}
+
 // client cumulative
 const ViewDescriptor& ClientSentBytesPerRpcCumulative() {
   const static ViewDescriptor descriptor =

src/cpp/ext/gcp/observability.cc

@@ -59,11 +59,11 @@ constexpr char kGoogleStackdriverStatsAddress[] = "monitoring.googleapis.com";
 
 void RegisterOpenCensusViewsForGcpObservability() {
   // Register client default views for GCP observability
-  ClientStartedRpcsCumulative().RegisterForExport();
+  ClientStartedRpcs().RegisterForExport();
-  ClientCompletedRpcsCumulative().RegisterForExport();
+  ClientCompletedRpcs().RegisterForExport();
   // Register server default views for GCP observability
-  ServerStartedRpcsCumulative().RegisterForExport();
+  ServerStartedRpcs().RegisterForExport();
-  ServerCompletedRpcsCumulative().RegisterForExport();
+  ServerCompletedRpcs().RegisterForExport();
 }
 
 }  // namespace