add ovsdpdk cni

Change-Id: Id3eba33d3b33deee815596c0a56bbe77954e2214
Signed-off-by: Guo Ruijing <ruijing.guo@intel.com>

1 files changed, 136 insertions, 0 deletions

diff --git a/src/cni/ovsdpdk/ovsdpdk.patch b/src/cni/ovsdpdk/ovsdpdk.patch
new file mode 100644
index 0000000..67b3703
--- /dev/null
+++ b/src/cni/ovsdpdk/ovsdpdk.patch
@@ -0,0 +1,136 @@
+diff --git a/build.sh b/build.sh
+index cd21ba8..bc60d91 100755
+--- a/build.sh
++++ b/build.sh
+@@ -19,7 +19,7 @@ export GOPATH=${PWD}/gopath
+ mkdir -p "${PWD}/bin"
+ 
+ echo "Building plugins"
+-PLUGINS="plugins/meta/* plugins/main/* plugins/ipam/* plugins/sample"
++PLUGINS="plugins/main/ovsdpdk plugins/main/bridge plugins/ipam/host-local"
+ for d in $PLUGINS; do
+ 	if [ -d "$d" ]; then
+ 		plugin="$(basename "$d")"
+diff --git a/plugins/main/ovsdpdk/ovsdpdk.go b/plugins/main/ovsdpdk/ovsdpdk.go
+new file mode 100644
+index 0000000..1b931d4
+--- /dev/null
++++ b/plugins/main/ovsdpdk/ovsdpdk.go
+@@ -0,0 +1,117 @@
++// Copyright 2014 CNI authors
++//
++// 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 (
++	"encoding/json"
++	"errors"
++	"fmt"
++	//"net"
++	"runtime"
++	//"syscall"
++        "os/exec"
++	//"io/ioutil"
++
++	"github.com/containernetworking/cni/pkg/skel"
++	"github.com/containernetworking/cni/pkg/types"
++	"github.com/containernetworking/cni/pkg/types/current"
++	"github.com/containernetworking/cni/pkg/version"
++	//"github.com/containernetworking/plugins/pkg/ip"
++	"github.com/containernetworking/plugins/pkg/ipam"
++	//"github.com/containernetworking/plugins/pkg/ns"
++	//"github.com/containernetworking/plugins/pkg/utils"
++	//"github.com/vishvananda/netlink"
++)
++
++const defaultBrName = "cni0"
++
++type NetConf struct {
++	types.NetConf
++	BrName       string `json:"bridge"`
++}
++
++func init() {
++	// this ensures that main runs only on main thread (thread group leader).
++	// since namespace ops (unshare, setns) are done for a single thread, we
++	// must ensure that the goroutine does not jump from OS thread to thread
++	runtime.LockOSThread()
++}
++
++func loadNetConf(bytes []byte) (*NetConf, string, error) {
++	n := &NetConf{
++		BrName: defaultBrName,
++	}
++	if err := json.Unmarshal(bytes, n); err != nil {
++		return nil, "", fmt.Errorf("failed to load netconf: %v", err)
++	}
++	return n, n.CNIVersion, nil
++}
++
++func setupVhostUser(args *skel.CmdArgs, types string) error {
++    exec.Command("/bin/bash", "/opt/cni/bin/setup_ovsdpdk.sh", args.Netns, args.ContainerID, types).Output()
++    return nil
++}
++
++
++func cmdAdd(args *skel.CmdArgs) error {
++	n, cniVersion, err := loadNetConf(args.StdinData)
++	if err != nil {
++		return err
++	}
++
++	// run the IPAM plugin and get back the config to apply
++	r, err := ipam.ExecAdd(n.IPAM.Type, args.StdinData)
++	if err != nil {
++		return err
++	}
++
++	// Convert whatever the IPAM result was into the current Result type
++	result, err := current.NewResultFromResult(r)
++	if err != nil {
++		return err
++	}
++
++	if len(result.IPs) == 0 {
++		return errors.New("IPAM plugin returned missing IP config")
++	}
++
++        setupVhostUser(args, result.String())
++
++        return types.PrintResult(result, cniVersion)
++}
++
++func tearDownVhostUser(args *skel.CmdArgs) error {
++    exec.Command("/bin/bash", "/opt/cni/bin/teardown_ovsdpdk.sh", args.Netns, args.ContainerID).Output()
++    return nil
++}
++
++func cmdDel(args *skel.CmdArgs) error {
++        n, _, err := loadNetConf(args.StdinData)
++        if err != nil {
++                return err
++        }
++
++        if err := ipam.ExecDel(n.IPAM.Type, args.StdinData); err != nil {
++                return err
++        }
++
++        tearDownVhostUser(args)
++        return err
++
++}
++
++func main() {
++	skel.PluginMain(cmdAdd, cmdDel, version.All)
++}