Adding cnishim and cniserver

- inspired from ovn-kubernetes and sdn openshift - cniserver & cnishim concepts
- removed cni binary to depend on the host ovs binary installation
- encapsulated all the binaries within the ovn and ovs containers
- ovn4nfv-k8s cni server run along with nfn-agent
- cnishim act as the httpclient and cniserver as httpservers
- cnishim wrap all the cni commands to cniserver
- cniserver do the actual network pumping work and send result back to cnishim
- cnishim print the results as per the cni spec requirement
- currently supports only debian installation for ovn daemon
- support for debian kernel installation
- Consolidated all yaml into single ovn4nfv-k8s-plugin

Signed-off-by: Kuralamudhan Ramakrishnan <kuralamudhan.ramakrishnan@intel.com>
Change-Id: I1e2b114d90f717baa2ee94ff379c849d73b2754e

1 files changed, 17 insertions, 0 deletions

diff --git a/internal/pkg/config/config.go b/internal/pkg/config/config.go
index 002ad80..e9ad3e1 100644
--- a/internal/pkg/config/config.go
+++ b/internal/pkg/config/config.go
@@ -1,6 +1,7 @@
 package config
 
 import (
+        "encoding/json"
 	"fmt"
 	"os"
 	"path/filepath"
@@ -8,6 +9,8 @@ import (
 
 	"github.com/sirupsen/logrus"
 	"github.com/urfave/cli"
+        "github.com/containernetworking/cni/pkg/types"
+        "github.com/containernetworking/cni/pkg/version"
 	gcfg "gopkg.in/gcfg.v1"
 
 	"k8s.io/client-go/kubernetes"
@@ -283,3 +286,17 @@ func NewClientset(conf *KubernetesConfig) (*kubernetes.Clientset, error) {
 
 	return kubernetes.NewForConfig(kconfig)
 }
+
+func ConfigureNetConf(bytes []byte) (*types.NetConf, error) {
+        conf := &types.NetConf{}
+	if err := json.Unmarshal(bytes, conf); err != nil {
+		return nil, fmt.Errorf("failed to load netconf: %v", err)
+	}
+
+        if conf.RawPrevResult != nil {
+                if err := version.ParsePrevResult(conf); err != nil {
+                        return nil, err
+                }
+        }
+        return conf, nil
+}