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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 libcni
import (
"strings"
"github.com/containernetworking/cni/pkg/invoke"
"github.com/containernetworking/cni/pkg/types"
)
type RuntimeConf struct {
ContainerID string
NetNS string
IfName string
Args [][2]string
}
type NetworkConfig struct {
Network *types.NetConf
Bytes []byte
}
type CNI interface {
AddNetwork(net *NetworkConfig, rt *RuntimeConf) (*types.Result, error)
DelNetwork(net *NetworkConfig, rt *RuntimeConf) error
}
type CNIConfig struct {
Path []string
}
func (c *CNIConfig) AddNetwork(net *NetworkConfig, rt *RuntimeConf) (*types.Result, error) {
pluginPath, err := invoke.FindInPath(net.Network.Type, c.Path)
if err != nil {
return nil, err
}
return invoke.ExecPluginWithResult(pluginPath, net.Bytes, c.args("ADD", rt))
}
func (c *CNIConfig) DelNetwork(net *NetworkConfig, rt *RuntimeConf) error {
pluginPath, err := invoke.FindInPath(net.Network.Type, c.Path)
if err != nil {
return err
}
return invoke.ExecPluginWithoutResult(pluginPath, net.Bytes, c.args("DEL", rt))
}
// =====
func (c *CNIConfig) args(action string, rt *RuntimeConf) *invoke.Args {
return &invoke.Args{
Command: action,
ContainerID: rt.ContainerID,
NetNS: rt.NetNS,
PluginArgs: rt.Args,
IfName: rt.IfName,
Path: strings.Join(c.Path, ":"),
}
}
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