ed5f8dfeb2
The project has been moved so internally we simply rename everything. Consumers are recommended to update their vendored version of cni.
88 lines
1.8 KiB
Go
88 lines
1.8 KiB
Go
// Copyright 2015 CoreOS, Inc.
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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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"os"
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"path/filepath"
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"strings"
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"github.com/containernetworking/cni/libcni"
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)
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const (
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EnvCNIPath = "CNI_PATH"
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EnvNetDir = "NETCONFPATH"
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DefaultNetDir = "/etc/cni/net.d"
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CmdAdd = "add"
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CmdDel = "del"
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)
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func main() {
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if len(os.Args) < 3 {
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usage()
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return
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}
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netdir := os.Getenv(EnvNetDir)
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if netdir == "" {
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netdir = DefaultNetDir
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}
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netconf, err := libcni.LoadConf(netdir, os.Args[2])
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if err != nil {
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exit(err)
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}
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netns := os.Args[3]
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cninet := &libcni.CNIConfig{
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Path: strings.Split(os.Getenv(EnvCNIPath), ":"),
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}
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rt := &libcni.RuntimeConf{
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ContainerID: "cni",
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NetNS: netns,
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IfName: "eth0",
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}
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switch os.Args[1] {
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case CmdAdd:
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_, err := cninet.AddNetwork(netconf, rt)
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exit(err)
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case CmdDel:
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exit(cninet.DelNetwork(netconf, rt))
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}
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}
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func usage() {
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exe := filepath.Base(os.Args[0])
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fmt.Fprintf(os.Stderr, "%s: Add or remove network interfaces from a network namespace\n", exe)
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fmt.Fprintf(os.Stderr, " %s %s <net> <netns>\n", exe, CmdAdd)
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fmt.Fprintf(os.Stderr, " %s %s <net> <netns>\n", exe, CmdDel)
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os.Exit(1)
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}
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func exit(err error) {
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if err != nil {
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fmt.Fprintf(os.Stderr, "%s\n", err)
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os.Exit(1)
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}
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os.Exit(0)
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}
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