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delete_instance.go
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/
delete_instance.go
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/*
// Copyright (c) 2016 Intel Corporation
//
// 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 (
"os"
"github.com/golang/glog"
)
func deleteVnic(instanceDir string, conn serverConn) {
cfg, err := loadVMConfig(instanceDir)
if err != nil {
glog.Warningf("Unable to load instance state %s: %s", instanceDir, err)
return
}
vnicCfg, err := createVnicCfg(cfg)
if err != nil {
glog.Warningf("Unable to create vnicCfg: %s", err)
return
}
err = destroyVnic(conn, vnicCfg)
if err != nil {
glog.Warningf("Unable to destroy vnic: %s", err)
}
}
func processDelete(vm virtualizer, instanceDir string, conn serverConn, running ovsRunningState) error {
// We have to ignore these errors for the time being. There's no way to distinguish
// between the various sort of errors that docker can return. We could be getting
// a container not found error, if someone had deleted the container manually. In this
// case we definitely want to delete the instance.
_ = vm.deleteImage()
if networking && running != ovsPending {
glog.Info("Deleting Vnic")
deleteVnic(instanceDir, conn)
}
err := os.RemoveAll(instanceDir)
if err != nil {
glog.Warningf("Unable to remove instance dir: %v", err)
}
return err
}