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// Copyright 2015 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 (
"github.com/containernetworking/cni/plugins/ipam/host-local/backend/allocator"
"github.com/containernetworking/cni/plugins/ipam/host-local/backend/disk"
"github.com/containernetworking/cni/pkg/skel"
"github.com/containernetworking/cni/pkg/types"
"github.com/containernetworking/cni/pkg/version"
)
func main() {
skel.PluginMain(cmdAdd, cmdDel, version.Legacy)
}
func cmdAdd(args *skel.CmdArgs) error {
ipamConf, err := allocator.LoadIPAMConfig(args.StdinData, args.Args)
if err != nil {
return err
}
r := types.Result{}
if ipamConf.ResolvConf != "" {
dns, err := parseResolvConf(ipamConf.ResolvConf)
if err != nil {
return err
}
r.DNS = *dns
}
store, err := disk.New(ipamConf.Name, ipamConf.DataDir)
if err != nil {
return err
}
defer store.Close()
allocator, err := allocator.NewIPAllocator(ipamConf, store)
if err != nil {
return err
}
ipConf, err := allocator.Get(args.ContainerID)
if err != nil {
return err
}
r.IP4 = ipConf
return r.Print()
}
func cmdDel(args *skel.CmdArgs) error {
ipamConf, err := allocator.LoadIPAMConfig(args.StdinData, args.Args)
if err != nil {
return err
}
store, err := disk.New(ipamConf.Name, ipamConf.DataDir)
if err != nil {
return err
}
defer store.Close()
ipAllocator, err := allocator.NewIPAllocator(ipamConf, store)
if err != nil {
return err
}
return ipAllocator.Release(args.ContainerID)
}
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