Adding gRPC proto and server

gRPC server is required to send updates
to nfn-agent running on all the nodes in
the cluster, to setup provider networks
as defined in the provider network CR. This
patch includes proto file and generated code
along with gRPC server code

Change-Id: I891629d84932ae662ba7545ebfe4d9921448fdc1
Signed-off-by: Ritu Sood <ritu.sood@intel.com>

1 files changed, 44 insertions, 0 deletions

diff --git a/internal/pkg/nfnNotify/proto/nfn.proto b/internal/pkg/nfnNotify/proto/nfn.proto
new file mode 100644
index 0000000..85e2131
--- /dev/null
+++ b/internal/pkg/nfnNotify/proto/nfn.proto
@@ -0,0 +1,44 @@
+//
+// nfn.proto
+// 
+// Example that implements push notification from grpc server to client
+//
+syntax = "proto3";
+
+service nfnNotify {
+	rpc Subscribe (SubscribeContext) returns (stream Notification);
+}
+
+message SubscribeContext {
+    string node_name = 1;
+}
+
+message Notification {
+    string cni_type = 1;
+    oneof payload {
+        InSync in_sync = 2;
+        ProviderNetworkCreate provider_nw_create = 3;
+        ProviderNetworkRemove provider_nw_remove = 4;
+    }
+}
+
+message ProviderNetworkCreate {
+    string provider_nw_name = 1;
+    VlanInfo vlan = 2;
+    // Add other types supported here beyond vlan
+}
+
+message ProviderNetworkRemove {
+    string provider_nw_name = 1;
+    string vlan_logical_intf = 2;
+    // Add other types supported here
+}
+
+message VlanInfo {
+    string vlan_id = 1;
+    string provider_intf = 2;
+    string logical_intf = 3;
+}
+
+message InSync {
+}
\ No newline at end of file