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attach.go
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/
attach.go
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/*
Copyright (c) 2014-2015 VMware, Inc. All Rights Reserved.
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 disk
import (
"context"
"flag"
"fmt"
"strings"
"github.com/vmware/govmomi/govc/cli"
"github.com/vmware/govmomi/govc/flags"
"github.com/vmware/govmomi/vim25/types"
)
type attach struct {
*flags.DatastoreFlag
*flags.VirtualMachineFlag
persist bool
link bool
disk string
controller string
mode string
sharing string
}
func init() {
cli.Register("vm.disk.attach", &attach{})
}
func (cmd *attach) Register(ctx context.Context, f *flag.FlagSet) {
cmd.DatastoreFlag, ctx = flags.NewDatastoreFlag(ctx)
cmd.DatastoreFlag.Register(ctx, f)
cmd.VirtualMachineFlag, ctx = flags.NewVirtualMachineFlag(ctx)
cmd.VirtualMachineFlag.Register(ctx, f)
f.BoolVar(&cmd.persist, "persist", true, "Persist attached disk")
f.BoolVar(&cmd.link, "link", true, "Link specified disk")
f.StringVar(&cmd.controller, "controller", "", "Disk controller")
f.StringVar(&cmd.disk, "disk", "", "Disk path name")
f.StringVar(&cmd.mode, "mode", "", fmt.Sprintf("Disk mode (%s)", strings.Join(vdmTypes, "|")))
f.StringVar(&cmd.sharing, "sharing", "", fmt.Sprintf("Sharing (%s)", strings.Join(sharing, "|")))
}
func (cmd *attach) Process(ctx context.Context) error {
if err := cmd.DatastoreFlag.Process(ctx); err != nil {
return err
}
if err := cmd.VirtualMachineFlag.Process(ctx); err != nil {
return err
}
return nil
}
func (cmd *attach) Description() string {
return `Attach existing disk to VM.
Examples:
govc vm.disk.attach -vm $name -disk $name/disk1.vmdk
govc vm.disk.attach -vm $name -disk $name/shared.vmdk -link=false -sharing sharingMultiWriter
govc device.remove -vm $name -keep disk-* # detach disk(s)`
}
func (cmd *attach) Run(ctx context.Context, f *flag.FlagSet) error {
vm, err := cmd.VirtualMachine()
if err != nil {
return err
}
if vm == nil {
return flag.ErrHelp
}
ds, err := cmd.Datastore()
if err != nil {
return err
}
devices, err := vm.Device(ctx)
if err != nil {
return err
}
controller, err := devices.FindDiskController(cmd.controller)
if err != nil {
return err
}
disk := devices.CreateDisk(controller, ds.Reference(), ds.Path(cmd.disk))
backing := disk.Backing.(*types.VirtualDiskFlatVer2BackingInfo)
backing.Sharing = cmd.sharing
if len(cmd.mode) != 0 {
backing.DiskMode = cmd.mode
}
if cmd.link {
if cmd.persist {
backing.DiskMode = string(types.VirtualDiskModeIndependent_persistent)
} else {
backing.DiskMode = string(types.VirtualDiskModeIndependent_nonpersistent)
}
disk = devices.ChildDisk(disk)
return vm.AddDevice(ctx, disk)
}
if cmd.persist {
backing.DiskMode = string(types.VirtualDiskModePersistent)
} else {
backing.DiskMode = string(types.VirtualDiskModeNonpersistent)
}
return vm.AddDevice(ctx, disk)
}