ed5f8dfeb2
The project has been moved so internally we simply rename everything. Consumers are recommended to update their vendored version of cni.
74 lines
1.9 KiB
Go
74 lines
1.9 KiB
Go
// Copyright 2015 CNI authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package main
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import (
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"fmt"
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"net/rpc"
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"os"
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"path/filepath"
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"github.com/containernetworking/cni/pkg/skel"
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"github.com/containernetworking/cni/pkg/types"
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)
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const socketPath = "/run/cni/dhcp.sock"
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func main() {
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if len(os.Args) > 1 && os.Args[1] == "daemon" {
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runDaemon()
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} else {
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skel.PluginMain(cmdAdd, cmdDel)
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}
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}
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func cmdAdd(args *skel.CmdArgs) error {
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result := types.Result{}
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if err := rpcCall("DHCP.Allocate", args, &result); err != nil {
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return err
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}
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return result.Print()
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}
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func cmdDel(args *skel.CmdArgs) error {
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result := struct{}{}
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if err := rpcCall("DHCP.Release", args, &result); err != nil {
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return fmt.Errorf("error dialing DHCP daemon: %v", err)
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}
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return nil
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}
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func rpcCall(method string, args *skel.CmdArgs, result interface{}) error {
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client, err := rpc.DialHTTP("unix", socketPath)
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if err != nil {
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return fmt.Errorf("error dialing DHCP daemon: %v", err)
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}
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// The daemon may be running under a different working dir
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// so make sure the netns path is absolute.
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netns, err := filepath.Abs(args.Netns)
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if err != nil {
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return fmt.Errorf("failed to make %q an absolute path: %v", args.Netns, err)
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}
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args.Netns = netns
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err = client.Call(method, args, result)
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if err != nil {
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return fmt.Errorf("error calling %v: %v", method, err)
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}
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return nil
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}
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