411 lines
10 KiB
Go
411 lines
10 KiB
Go
/*
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Copyright (c) 2014-2016 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 vm
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import (
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"context"
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"flag"
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"fmt"
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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/object"
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"github.com/vmware/govmomi/property"
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"github.com/vmware/govmomi/vim25"
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"github.com/vmware/govmomi/vim25/mo"
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"github.com/vmware/govmomi/vim25/types"
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)
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type clone struct {
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*flags.ClientFlag
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*flags.DatacenterFlag
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*flags.DatastoreFlag
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*flags.StoragePodFlag
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*flags.ResourcePoolFlag
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*flags.HostSystemFlag
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*flags.NetworkFlag
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*flags.FolderFlag
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*flags.VirtualMachineFlag
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name string
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memory int
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cpus int
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on bool
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force bool
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template bool
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customization string
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waitForIP bool
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annotation string
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Client *vim25.Client
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Datacenter *object.Datacenter
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Datastore *object.Datastore
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StoragePod *object.StoragePod
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ResourcePool *object.ResourcePool
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HostSystem *object.HostSystem
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Folder *object.Folder
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VirtualMachine *object.VirtualMachine
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}
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func init() {
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cli.Register("vm.clone", &clone{})
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}
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func (cmd *clone) Register(ctx context.Context, f *flag.FlagSet) {
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cmd.ClientFlag, ctx = flags.NewClientFlag(ctx)
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cmd.ClientFlag.Register(ctx, f)
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cmd.DatacenterFlag, ctx = flags.NewDatacenterFlag(ctx)
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cmd.DatacenterFlag.Register(ctx, f)
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cmd.DatastoreFlag, ctx = flags.NewDatastoreFlag(ctx)
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cmd.DatastoreFlag.Register(ctx, f)
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cmd.StoragePodFlag, ctx = flags.NewStoragePodFlag(ctx)
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cmd.StoragePodFlag.Register(ctx, f)
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cmd.ResourcePoolFlag, ctx = flags.NewResourcePoolFlag(ctx)
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cmd.ResourcePoolFlag.Register(ctx, f)
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cmd.HostSystemFlag, ctx = flags.NewHostSystemFlag(ctx)
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cmd.HostSystemFlag.Register(ctx, f)
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cmd.NetworkFlag, ctx = flags.NewNetworkFlag(ctx)
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cmd.NetworkFlag.Register(ctx, f)
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cmd.FolderFlag, ctx = flags.NewFolderFlag(ctx)
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cmd.FolderFlag.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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f.IntVar(&cmd.memory, "m", 0, "Size in MB of memory")
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f.IntVar(&cmd.cpus, "c", 0, "Number of CPUs")
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f.BoolVar(&cmd.on, "on", true, "Power on VM")
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f.BoolVar(&cmd.force, "force", false, "Create VM if vmx already exists")
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f.BoolVar(&cmd.template, "template", false, "Create a Template")
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f.StringVar(&cmd.customization, "customization", "", "Customization Specification Name")
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f.BoolVar(&cmd.waitForIP, "waitip", false, "Wait for VM to acquire IP address")
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f.StringVar(&cmd.annotation, "annotation", "", "VM description")
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}
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func (cmd *clone) Usage() string {
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return "NAME"
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}
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func (cmd *clone) Description() string {
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return `Clone VM to NAME.
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Examples:
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govc vm.clone -vm template-vm new-vm`
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}
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func (cmd *clone) Process(ctx context.Context) error {
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if err := cmd.ClientFlag.Process(ctx); err != nil {
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return err
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}
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if err := cmd.DatacenterFlag.Process(ctx); err != nil {
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return err
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}
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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.StoragePodFlag.Process(ctx); err != nil {
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return err
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}
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if err := cmd.ResourcePoolFlag.Process(ctx); err != nil {
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return err
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}
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if err := cmd.HostSystemFlag.Process(ctx); err != nil {
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return err
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}
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if err := cmd.NetworkFlag.Process(ctx); err != nil {
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return err
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}
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if err := cmd.FolderFlag.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 *clone) Run(ctx context.Context, f *flag.FlagSet) error {
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var err error
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if len(f.Args()) != 1 {
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return flag.ErrHelp
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}
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cmd.name = f.Arg(0)
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if cmd.name == "" {
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return flag.ErrHelp
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}
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cmd.Client, err = cmd.ClientFlag.Client()
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if err != nil {
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return err
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}
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cmd.Datacenter, err = cmd.DatacenterFlag.Datacenter()
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if err != nil {
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return err
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}
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if cmd.StoragePodFlag.Isset() {
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cmd.StoragePod, err = cmd.StoragePodFlag.StoragePod()
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if err != nil {
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return err
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}
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} else {
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cmd.Datastore, err = cmd.DatastoreFlag.Datastore()
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if err != nil {
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return err
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}
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}
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cmd.HostSystem, err = cmd.HostSystemFlag.HostSystemIfSpecified()
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if err != nil {
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return err
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}
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if cmd.HostSystem != nil {
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if cmd.ResourcePool, err = cmd.HostSystem.ResourcePool(ctx); err != nil {
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return err
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}
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} else {
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// -host is optional
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if cmd.ResourcePool, err = cmd.ResourcePoolFlag.ResourcePool(); err != nil {
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return err
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}
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}
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if cmd.Folder, err = cmd.FolderFlag.Folder(); err != nil {
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return err
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}
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if cmd.VirtualMachine, err = cmd.VirtualMachineFlag.VirtualMachine(); err != nil {
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return err
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}
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if cmd.VirtualMachine == nil {
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return flag.ErrHelp
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}
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task, err := cmd.cloneVM(ctx)
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if err != nil {
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return err
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}
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info, err := task.WaitForResult(ctx, nil)
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if err != nil {
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return err
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}
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vm := object.NewVirtualMachine(cmd.Client, info.Result.(types.ManagedObjectReference))
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if cmd.cpus > 0 || cmd.memory > 0 {
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vmConfigSpec := types.VirtualMachineConfigSpec{}
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if cmd.cpus > 0 {
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vmConfigSpec.NumCPUs = int32(cmd.cpus)
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}
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if cmd.memory > 0 {
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vmConfigSpec.MemoryMB = int64(cmd.memory)
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}
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vmConfigSpec.Annotation = cmd.annotation
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task, err := vm.Reconfigure(ctx, vmConfigSpec)
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if err != nil {
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return err
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}
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_, err = task.WaitForResult(ctx, nil)
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if err != nil {
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return err
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}
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}
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if cmd.on {
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task, err := vm.PowerOn(ctx)
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if err != nil {
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return err
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}
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_, err = task.WaitForResult(ctx, nil)
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if err != nil {
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return err
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}
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if cmd.waitForIP {
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_, err = vm.WaitForIP(ctx)
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if err != nil {
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return err
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}
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}
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}
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return nil
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}
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func (cmd *clone) cloneVM(ctx context.Context) (*object.Task, error) {
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// search for the first network card of the source
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devices, err := cmd.VirtualMachine.Device(ctx)
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if err != nil {
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return nil, err
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}
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var card *types.VirtualEthernetCard
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for _, device := range devices {
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if c, ok := device.(types.BaseVirtualEthernetCard); ok {
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card = c.GetVirtualEthernetCard()
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break
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}
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}
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if card == nil {
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return nil, fmt.Errorf("No network device found.")
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}
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// get the new backing information
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dev, err := cmd.NetworkFlag.Device()
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if err != nil {
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return nil, err
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}
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//set backing info
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card.Backing = dev.(types.BaseVirtualEthernetCard).GetVirtualEthernetCard().Backing
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// prepare virtual device config spec for network card
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configSpecs := []types.BaseVirtualDeviceConfigSpec{
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&types.VirtualDeviceConfigSpec{
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Operation: types.VirtualDeviceConfigSpecOperationEdit,
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Device: card,
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},
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}
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folderref := cmd.Folder.Reference()
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poolref := cmd.ResourcePool.Reference()
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relocateSpec := types.VirtualMachineRelocateSpec{
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DeviceChange: configSpecs,
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Folder: &folderref,
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Pool: &poolref,
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}
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if cmd.HostSystem != nil {
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hostref := cmd.HostSystem.Reference()
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relocateSpec.Host = &hostref
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}
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cloneSpec := &types.VirtualMachineCloneSpec{
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Location: relocateSpec,
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PowerOn: false,
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Template: cmd.template,
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}
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// clone to storage pod
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datastoreref := types.ManagedObjectReference{}
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if cmd.StoragePod != nil && cmd.Datastore == nil {
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storagePod := cmd.StoragePod.Reference()
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// Build pod selection spec from config spec
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podSelectionSpec := types.StorageDrsPodSelectionSpec{
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StoragePod: &storagePod,
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}
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// Get the virtual machine reference
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vmref := cmd.VirtualMachine.Reference()
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// Build the placement spec
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storagePlacementSpec := types.StoragePlacementSpec{
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Folder: &folderref,
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Vm: &vmref,
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CloneName: cmd.name,
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CloneSpec: cloneSpec,
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PodSelectionSpec: podSelectionSpec,
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Type: string(types.StoragePlacementSpecPlacementTypeClone),
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}
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// Get the storage placement result
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storageResourceManager := object.NewStorageResourceManager(cmd.Client)
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result, err := storageResourceManager.RecommendDatastores(ctx, storagePlacementSpec)
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if err != nil {
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return nil, err
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}
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// Get the recommendations
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recommendations := result.Recommendations
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if len(recommendations) == 0 {
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return nil, fmt.Errorf("no recommendations")
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}
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// Get the first recommendation
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datastoreref = recommendations[0].Action[0].(*types.StoragePlacementAction).Destination
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} else if cmd.StoragePod == nil && cmd.Datastore != nil {
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datastoreref = cmd.Datastore.Reference()
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} else {
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return nil, fmt.Errorf("Please provide either a datastore or a storagepod")
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}
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// Set the destination datastore
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cloneSpec.Location.Datastore = &datastoreref
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// Check if vmx already exists
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if !cmd.force {
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vmxPath := fmt.Sprintf("%s/%s.vmx", cmd.name, cmd.name)
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var mds mo.Datastore
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err = property.DefaultCollector(cmd.Client).RetrieveOne(ctx, datastoreref, []string{"name"}, &mds)
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if err != nil {
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return nil, err
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}
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datastore := object.NewDatastore(cmd.Client, datastoreref)
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datastore.InventoryPath = mds.Name
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_, err := datastore.Stat(ctx, vmxPath)
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if err == nil {
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dsPath := cmd.Datastore.Path(vmxPath)
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return nil, fmt.Errorf("File %s already exists", dsPath)
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}
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}
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// check if customization specification requested
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if len(cmd.customization) > 0 {
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// get the customization spec manager
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customizationSpecManager := object.NewCustomizationSpecManager(cmd.Client)
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// check if customization specification exists
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exists, err := customizationSpecManager.DoesCustomizationSpecExist(ctx, cmd.customization)
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if err != nil {
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return nil, err
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}
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if exists == false {
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return nil, fmt.Errorf("Customization specification %s does not exists.", cmd.customization)
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}
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// get the customization specification
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customSpecItem, err := customizationSpecManager.GetCustomizationSpec(ctx, cmd.customization)
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if err != nil {
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return nil, err
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}
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customSpec := customSpecItem.Spec
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// set the customization
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cloneSpec.Customization = &customSpec
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}
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// clone virtualmachine
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return cmd.VirtualMachine.Clone(ctx, cmd.Folder, cmd.name, *cloneSpec)
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}
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