160 lines
3.8 KiB
Go
160 lines
3.8 KiB
Go
/*
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Copyright (c) 2014-2015 VMware, Inc. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package disk
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import (
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"context"
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"errors"
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"flag"
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"fmt"
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"strings"
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"github.com/vmware/govmomi/govc/cli"
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"github.com/vmware/govmomi/govc/flags"
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"github.com/vmware/govmomi/units"
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"github.com/vmware/govmomi/vim25/types"
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)
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type create struct {
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*flags.DatastoreFlag
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*flags.OutputFlag
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*flags.VirtualMachineFlag
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controller string
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Name string
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Bytes units.ByteSize
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Thick bool
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Eager bool
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DiskMode string
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}
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var vdmTypes = []string{
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string(types.VirtualDiskModePersistent),
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string(types.VirtualDiskModeNonpersistent),
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string(types.VirtualDiskModeUndoable),
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string(types.VirtualDiskModeIndependent_persistent),
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string(types.VirtualDiskModeIndependent_nonpersistent),
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string(types.VirtualDiskModeAppend),
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}
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func init() {
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cli.Register("vm.disk.create", &create{})
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}
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func (cmd *create) Register(ctx context.Context, f *flag.FlagSet) {
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cmd.DatastoreFlag, ctx = flags.NewDatastoreFlag(ctx)
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cmd.DatastoreFlag.Register(ctx, f)
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cmd.OutputFlag, ctx = flags.NewOutputFlag(ctx)
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cmd.OutputFlag.Register(ctx, f)
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cmd.VirtualMachineFlag, ctx = flags.NewVirtualMachineFlag(ctx)
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cmd.VirtualMachineFlag.Register(ctx, f)
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err := (&cmd.Bytes).Set("10G")
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if err != nil {
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panic(err)
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}
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f.StringVar(&cmd.controller, "controller", "", "Disk controller")
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f.StringVar(&cmd.Name, "name", "", "Name for new disk")
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f.Var(&cmd.Bytes, "size", "Size of new disk")
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f.BoolVar(&cmd.Thick, "thick", false, "Thick provision new disk")
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f.BoolVar(&cmd.Eager, "eager", false, "Eagerly scrub new disk")
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f.StringVar(&cmd.DiskMode, "mode", "persistent", fmt.Sprintf("Disk mode (%s)", strings.Join(vdmTypes, "|")))
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}
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func (cmd *create) Process(ctx context.Context) error {
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if err := cmd.DatastoreFlag.Process(ctx); err != nil {
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return err
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}
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if err := cmd.OutputFlag.Process(ctx); err != nil {
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return err
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}
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if err := cmd.VirtualMachineFlag.Process(ctx); err != nil {
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return err
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}
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return nil
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}
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func (cmd *create) Description() string {
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return `Create disk and attach to VM.
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Examples:
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govc vm.disk.create -vm $name -name $name/disk1 -size 10G`
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}
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func (cmd *create) Run(ctx context.Context, f *flag.FlagSet) error {
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if len(cmd.Name) == 0 {
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return errors.New("please specify a disk name")
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}
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vm, err := cmd.VirtualMachine()
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if err != nil {
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return err
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}
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if vm == nil {
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return errors.New("please specify a vm")
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}
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ds, err := cmd.Datastore()
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if err != nil {
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return err
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}
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devices, err := vm.Device(ctx)
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if err != nil {
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return err
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}
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controller, err := devices.FindDiskController(cmd.controller)
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if err != nil {
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return err
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}
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vdmMatch := false
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for _, vdm := range vdmTypes {
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if cmd.DiskMode == vdm {
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vdmMatch = true
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}
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}
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if vdmMatch == false {
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return errors.New("please specify a valid disk mode")
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}
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disk := devices.CreateDisk(controller, ds.Reference(), ds.Path(cmd.Name))
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existing := devices.SelectByBackingInfo(disk.Backing)
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if len(existing) > 0 {
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cmd.Log("Disk already present\n")
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return nil
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}
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backing := disk.Backing.(*types.VirtualDiskFlatVer2BackingInfo)
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if cmd.Thick {
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backing.ThinProvisioned = types.NewBool(false)
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backing.EagerlyScrub = types.NewBool(cmd.Eager)
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}
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backing.DiskMode = cmd.DiskMode
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cmd.Log("Creating disk\n")
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disk.CapacityInKB = int64(cmd.Bytes) / 1024
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return vm.AddDevice(ctx, disk)
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}
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