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central-ip.go
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central-ip.go
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// Copyright (c) 2017
//
// 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 centralip
import (
"encoding/json"
"fmt"
"github.com/John-Lin/ovs-cni/ipam/centralip/backend/cluster"
"github.com/John-Lin/ovs-cni/ipam/centralip/backend/node"
"github.com/John-Lin/ovs-cni/ipam/centralip/backend/utils"
"github.com/containernetworking/cni/pkg/skel"
"os"
)
type CentralNet struct {
Name string `json:"name"`
CNIVersion string `json:"cniVersion"`
IPM *utils.IPMConfig `json:"ipam"`
}
func GenerateCentralIPM(args *skel.CmdArgs) (utils.CentralIPM, error, string) {
n := &CentralNet{}
if err := json.Unmarshal(args.StdinData, n); err != nil {
return nil, fmt.Errorf("failed to load netconf: %v", err), ""
}
switch n.IPM.IPType {
case "node":
hostname, _ := os.Hostname()
node, err := node.New(args.ContainerID, hostname, n.IPM)
return node, err, n.CNIVersion
case "cluster":
node, err := cluster.New(args.ContainerID, n.IPM)
return node, err, n.CNIVersion
default:
return nil, fmt.Errorf("Unsupport IPM type %s", n.IPM.Type), ""
}
}