summaryrefslogtreecommitdiffstats
path: root/src/cni/ovsdpdk/ovsdpdk.patch
blob: 67b3703acb51766d93f7dfe8985178d729cde491 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
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)
+}