Route based chaining

1) Adding controller for route based chaining
2) nfn agent code to insert route in container namespace
3) Calculate routes based on the Chaining Routes

Based on the Ritu(ovn4nfv-k8s-plugin committer) patches

Co-authored-by: Kuralamudhan Ramakrishnan <kuralamudhan.ramakrishnan@intel.com>
Signed-off-by: Kuralamudhan Ramakrishnan <kuralamudhan.ramakrishnan@intel.com>
Change-Id: I6757f269a5df7d98d650f273468c6ccbcc055d3e

1 files changed, 29 insertions, 0 deletions

diff --git a/cmd/nfn-agent/nfn-agent.go b/cmd/nfn-agent/nfn-agent.go
index b2ee630..8e7ad78 100644
--- a/cmd/nfn-agent/nfn-agent.go
+++ b/cmd/nfn-agent/nfn-agent.go
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2020 Intel Corporation, Inc
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package main
 
 import (
@@ -8,6 +24,7 @@ import (
 	"os/signal"
 	cs "ovn4nfv-k8s-plugin/internal/pkg/cniserver"
 	pb "ovn4nfv-k8s-plugin/internal/pkg/nfnNotify/proto"
+        chaining "ovn4nfv-k8s-plugin/internal/pkg/utils"
 	"ovn4nfv-k8s-plugin/internal/pkg/ovn"
 	"strings"
 	"syscall"
@@ -256,6 +273,18 @@ func handleNotif(msg *pb.Notification) {
 				deleteDirectProvidernetwork(payload)
 			}
 
+		case *pb.Notification_ContainterRtInsert:
+			id := payload.ContainterRtInsert.GetContainerId()
+			pid, err := chaining.GetPidForContainer(id)
+			if err != nil {
+				log.Error(err, "Failed to get pid", "containerID", id)
+				return
+			}
+			err = chaining.ContainerAddRoute(pid, payload.ContainterRtInsert.GetRoute())
+			if err != nil {
+				return
+			}
+
 		case *pb.Notification_InSync:
 			if payload.InSync.GetNodeIntfIpAddress() != "" && payload.InSync.GetNodeIntfMacAddress() != "" {
 				err := createNodeOVSInternalPort(payload)