/
create.go
168 lines (137 loc) · 4.17 KB
/
create.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"
"errors"
"flag"
"fmt"
"strings"
"github.com/vmware/govmomi/govc/cli"
"github.com/vmware/govmomi/govc/flags"
"github.com/vmware/govmomi/units"
"github.com/vmware/govmomi/vim25/types"
)
type create struct {
*flags.DatastoreFlag
*flags.OutputFlag
*flags.VirtualMachineFlag
controller string
Name string
Bytes units.ByteSize
Thick bool
Eager bool
DiskMode string
Sharing string
}
var vdmTypes = []string{
string(types.VirtualDiskModePersistent),
string(types.VirtualDiskModeNonpersistent),
string(types.VirtualDiskModeUndoable),
string(types.VirtualDiskModeIndependent_persistent),
string(types.VirtualDiskModeIndependent_nonpersistent),
string(types.VirtualDiskModeAppend),
}
var sharing = []string{
string(types.VirtualDiskSharingSharingNone),
string(types.VirtualDiskSharingSharingMultiWriter),
}
func init() {
cli.Register("vm.disk.create", &create{})
}
func (cmd *create) Register(ctx context.Context, f *flag.FlagSet) {
cmd.DatastoreFlag, ctx = flags.NewDatastoreFlag(ctx)
cmd.DatastoreFlag.Register(ctx, f)
cmd.OutputFlag, ctx = flags.NewOutputFlag(ctx)
cmd.OutputFlag.Register(ctx, f)
cmd.VirtualMachineFlag, ctx = flags.NewVirtualMachineFlag(ctx)
cmd.VirtualMachineFlag.Register(ctx, f)
err := (&cmd.Bytes).Set("10G")
if err != nil {
panic(err)
}
f.StringVar(&cmd.controller, "controller", "", "Disk controller")
f.StringVar(&cmd.Name, "name", "", "Name for new disk")
f.Var(&cmd.Bytes, "size", "Size of new disk")
f.BoolVar(&cmd.Thick, "thick", false, "Thick provision new disk")
f.BoolVar(&cmd.Eager, "eager", false, "Eagerly scrub new disk")
f.StringVar(&cmd.DiskMode, "mode", vdmTypes[0], fmt.Sprintf("Disk mode (%s)", strings.Join(vdmTypes, "|")))
f.StringVar(&cmd.Sharing, "sharing", "", fmt.Sprintf("Sharing (%s)", strings.Join(sharing, "|")))
}
func (cmd *create) Process(ctx context.Context) error {
if err := cmd.DatastoreFlag.Process(ctx); err != nil {
return err
}
if err := cmd.OutputFlag.Process(ctx); err != nil {
return err
}
if err := cmd.VirtualMachineFlag.Process(ctx); err != nil {
return err
}
return nil
}
func (cmd *create) Description() string {
return `Create disk and attach to VM.
Examples:
govc vm.disk.create -vm $name -name $name/disk1 -size 10G
govc vm.disk.create -vm $name -name $name/disk2 -size 10G -eager -thick -sharing sharingMultiWriter`
}
func (cmd *create) Run(ctx context.Context, f *flag.FlagSet) error {
if len(cmd.Name) == 0 {
return errors.New("please specify a disk name")
}
vm, err := cmd.VirtualMachine()
if err != nil {
return err
}
if vm == nil {
return errors.New("please specify a vm")
}
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
}
vdmMatch := false
for _, vdm := range vdmTypes {
if cmd.DiskMode == vdm {
vdmMatch = true
}
}
if !vdmMatch {
return errors.New("please specify a valid disk mode")
}
disk := devices.CreateDisk(controller, ds.Reference(), ds.Path(cmd.Name))
existing := devices.SelectByBackingInfo(disk.Backing)
if len(existing) > 0 {
_, _ = cmd.Log("Disk already present\n")
return nil
}
backing := disk.Backing.(*types.VirtualDiskFlatVer2BackingInfo)
if cmd.Thick {
backing.ThinProvisioned = types.NewBool(false)
backing.EagerlyScrub = types.NewBool(cmd.Eager)
}
backing.DiskMode = cmd.DiskMode
backing.Sharing = cmd.Sharing
_, _ = cmd.Log("Creating disk\n")
disk.CapacityInKB = int64(cmd.Bytes) / 1024
return vm.AddDevice(ctx, disk)
}