azure-container-networking/cni/internal.go

47 строки
919 B
Go

// Copyright 2017 Microsoft. All rights reserved.
// MIT License
package cni
import (
"encoding/json"
cniSkel "github.com/containernetworking/cni/pkg/skel"
cniTypes "github.com/containernetworking/cni/pkg/types"
)
const (
Internal = "internal"
)
// CallPlugin calls the given CNI plugin through the internal interface.
func CallPlugin(plugin PluginApi, cmd string, args *cniSkel.CmdArgs, nwCfg *NetworkConfig) (*cniTypes.Result, error) {
var err error
savedType := nwCfg.Ipam.Type
nwCfg.Ipam.Type = Internal
args.StdinData = nwCfg.Serialize()
// Call the plugin's internal interface.
if cmd == CmdAdd {
err = plugin.Add(args)
} else {
err = plugin.Delete(args)
}
nwCfg.Ipam.Type = savedType
if err != nil {
return nil, err
}
// Read back the result.
var result cniTypes.Result
err = json.Unmarshal(args.StdinData, &result)
if err != nil {
return nil, err
}
return &result, nil
}