Adding node interface, SNAT and OVN Node switch port

    - Adding nfn proto for node interface MAC and IP address
    - Adding node switch ports in NFN Operator
    - Adding grpc client in nfn agent to get mac and IP address for node interface
    - Adding feature to create Node interface with OVS internal port
    - Make sure pod controller requeue the pod request for empty node field in pod spec
    - Unique node interface name using SHA and maintain 15 charactor for OVS switch port
    - Adding SNAT for default interface in each node
    - Adding iptables modules for SNAT rules

Signed-off-by: Kuralamudhan Ramakrishnan <kuralamudhan.ramakrishnan@intel.com>
Change-Id: I6cfa36e45007e796eb651345f9f0751329defcf7

1 files changed, 31 insertions, 0 deletions

diff --git a/internal/pkg/node/node.go b/internal/pkg/node/node.go
new file mode 100644
index 0000000..e989e07
--- /dev/null
+++ b/internal/pkg/node/node.go
@@ -0,0 +1,31 @@
+package node
+
+import (
+	"ovn4nfv-k8s-plugin/internal/pkg/ovn"
+
+	logf "sigs.k8s.io/controller-runtime/pkg/runtime/log"
+)
+
+var log = logf.Log.WithName("node")
+
+//AddNodeLogicalPorts return nodeIntfMacAddr and nodeIntfIPAddr
+func AddNodeLogicalPorts(node string) (nodeIntfMacAddr, nodeIntfIPAddr string, err error) {
+	ovnCtl, err := ovn.GetOvnController()
+	if err != nil {
+		return "", "", err
+	}
+
+	log.Info("Calling CreateNodeLogicalPorts")
+	nodeIntfMacAddr, nodeIntfIPAddr, err = ovnCtl.AddNodeLogicalPorts(node)
+	if err != nil {
+		return "", "", err
+	}
+	return nodeIntfMacAddr, nodeIntfIPAddr, nil
+}
+
+//DeleteNodeLogicalPorts return nil
+func DeleteNodeLogicalPorts(name, namesapce string) error {
+	// Run delete for all controllers;
+	// Todo
+	return nil
+}