508 lines
12 KiB
Go
508 lines
12 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/units"
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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 create 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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name string
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memory int
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cpus int
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guestID string
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link bool
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on bool
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force bool
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controller string
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annotation string
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iso string
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isoDatastoreFlag *flags.DatastoreFlag
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isoDatastore *object.Datastore
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disk string
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diskDatastoreFlag *flags.DatastoreFlag
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diskDatastore *object.Datastore
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// Only set if the disk argument is a byte size, which means the disk
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// doesn't exist yet and should be created
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diskByteSize int64
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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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}
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func init() {
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cli.Register("vm.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.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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f.IntVar(&cmd.memory, "m", 1024, "Size in MB of memory")
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f.IntVar(&cmd.cpus, "c", 1, "Number of CPUs")
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f.StringVar(&cmd.guestID, "g", "otherGuest", "Guest OS")
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f.BoolVar(&cmd.link, "link", true, "Link specified disk")
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f.BoolVar(&cmd.on, "on", true, "Power on VM. Default is true if -disk argument is given.")
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f.BoolVar(&cmd.force, "force", false, "Create VM if vmx already exists")
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f.StringVar(&cmd.controller, "disk.controller", "scsi", "Disk controller type")
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f.StringVar(&cmd.annotation, "annotation", "", "VM description")
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f.StringVar(&cmd.iso, "iso", "", "ISO path")
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cmd.isoDatastoreFlag, ctx = flags.NewCustomDatastoreFlag(ctx)
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f.StringVar(&cmd.isoDatastoreFlag.Name, "iso-datastore", "", "Datastore for ISO file")
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f.StringVar(&cmd.disk, "disk", "", "Disk path (to use existing) OR size (to create new, e.g. 20GB)")
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cmd.diskDatastoreFlag, _ = flags.NewCustomDatastoreFlag(ctx)
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f.StringVar(&cmd.diskDatastoreFlag.Name, "disk-datastore", "", "Datastore for disk file")
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}
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func (cmd *create) 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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// Default iso/disk datastores to the VM's datastore
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if cmd.isoDatastoreFlag.Name == "" {
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cmd.isoDatastoreFlag = cmd.DatastoreFlag
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}
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if cmd.diskDatastoreFlag.Name == "" {
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cmd.diskDatastoreFlag = cmd.DatastoreFlag
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}
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return nil
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}
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func (cmd *create) 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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// Verify ISO exists
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if cmd.iso != "" {
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_, err = cmd.isoDatastoreFlag.Stat(ctx, cmd.iso)
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if err != nil {
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return err
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}
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cmd.isoDatastore, err = cmd.isoDatastoreFlag.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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// Verify disk exists
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if cmd.disk != "" {
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var b units.ByteSize
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// If disk can be parsed as byte units, don't stat
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err = b.Set(cmd.disk)
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if err == nil {
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cmd.diskByteSize = int64(b)
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} else {
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_, err = cmd.diskDatastoreFlag.Stat(ctx, cmd.disk)
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if err != nil {
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return err
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}
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cmd.diskDatastore, err = cmd.diskDatastoreFlag.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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}
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task, err := cmd.createVM(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.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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}
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return nil
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}
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func (cmd *create) createVM(ctx context.Context) (*object.Task, error) {
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var devices object.VirtualDeviceList
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var err error
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spec := &types.VirtualMachineConfigSpec{
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Name: cmd.name,
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GuestId: cmd.guestID,
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NumCPUs: int32(cmd.cpus),
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MemoryMB: int64(cmd.memory),
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Annotation: cmd.annotation,
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}
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devices, err = cmd.addStorage(nil)
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if err != nil {
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return nil, err
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}
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devices, err = cmd.addNetwork(devices)
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if err != nil {
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return nil, err
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}
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deviceChange, err := devices.ConfigSpec(types.VirtualDeviceConfigSpecOperationAdd)
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if err != nil {
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return nil, err
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}
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spec.DeviceChange = deviceChange
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var datastore *object.Datastore
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// If storage pod is specified, collect placement recommendations
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if cmd.StoragePod != nil {
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datastore, err = cmd.recommendDatastore(ctx, spec)
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if err != nil {
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return nil, err
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}
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} else {
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datastore = cmd.Datastore
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}
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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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_, 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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folder := cmd.Folder
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spec.Files = &types.VirtualMachineFileInfo{
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VmPathName: fmt.Sprintf("[%s]", datastore.Name()),
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}
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return folder.CreateVM(ctx, *spec, cmd.ResourcePool, cmd.HostSystem)
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}
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func (cmd *create) addStorage(devices object.VirtualDeviceList) (object.VirtualDeviceList, error) {
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if cmd.controller != "ide" {
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if cmd.controller == "nvme" {
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nvme, err := devices.CreateNVMEController()
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if err != nil {
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return nil, err
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}
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devices = append(devices, nvme)
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cmd.controller = devices.Name(nvme)
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} else {
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scsi, err := devices.CreateSCSIController(cmd.controller)
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if err != nil {
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return nil, err
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}
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devices = append(devices, scsi)
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cmd.controller = devices.Name(scsi)
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}
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}
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// If controller is specified to be IDE or if an ISO is specified, add IDE controller.
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if cmd.controller == "ide" || cmd.iso != "" {
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ide, err := devices.CreateIDEController()
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if err != nil {
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return nil, err
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}
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devices = append(devices, ide)
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}
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if cmd.diskByteSize != 0 {
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controller, err := devices.FindDiskController(cmd.controller)
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if err != nil {
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return nil, err
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}
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disk := &types.VirtualDisk{
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VirtualDevice: types.VirtualDevice{
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Key: devices.NewKey(),
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Backing: &types.VirtualDiskFlatVer2BackingInfo{
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DiskMode: string(types.VirtualDiskModePersistent),
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ThinProvisioned: types.NewBool(true),
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},
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},
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CapacityInKB: cmd.diskByteSize / 1024,
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}
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devices.AssignController(disk, controller)
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devices = append(devices, disk)
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} else if cmd.disk != "" {
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controller, err := devices.FindDiskController(cmd.controller)
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if err != nil {
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return nil, err
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}
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ds := cmd.diskDatastore.Reference()
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path := cmd.diskDatastore.Path(cmd.disk)
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disk := devices.CreateDisk(controller, ds, path)
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if cmd.link {
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disk = devices.ChildDisk(disk)
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}
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devices = append(devices, disk)
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}
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if cmd.iso != "" {
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ide, err := devices.FindIDEController("")
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if err != nil {
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return nil, err
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}
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cdrom, err := devices.CreateCdrom(ide)
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if err != nil {
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return nil, err
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}
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cdrom = devices.InsertIso(cdrom, cmd.isoDatastore.Path(cmd.iso))
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devices = append(devices, cdrom)
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}
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return devices, nil
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}
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func (cmd *create) addNetwork(devices object.VirtualDeviceList) (object.VirtualDeviceList, error) {
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netdev, 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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devices = append(devices, netdev)
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return devices, nil
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}
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func (cmd *create) recommendDatastore(ctx context.Context, spec *types.VirtualMachineConfigSpec) (*object.Datastore, error) {
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sp := 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: &sp,
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}
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// Keep list of disks that need to be placed
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var disks []*types.VirtualDisk
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// Collect disks eligible for placement
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for _, deviceConfigSpec := range spec.DeviceChange {
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s := deviceConfigSpec.GetVirtualDeviceConfigSpec()
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if s.Operation != types.VirtualDeviceConfigSpecOperationAdd {
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continue
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}
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if s.FileOperation != types.VirtualDeviceConfigSpecFileOperationCreate {
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continue
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}
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d, ok := s.Device.(*types.VirtualDisk)
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if !ok {
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continue
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}
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podConfigForPlacement := types.VmPodConfigForPlacement{
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StoragePod: sp,
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Disk: []types.PodDiskLocator{
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{
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DiskId: d.Key,
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DiskBackingInfo: d.Backing,
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},
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},
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}
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podSelectionSpec.InitialVmConfig = append(podSelectionSpec.InitialVmConfig, podConfigForPlacement)
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disks = append(disks, d)
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}
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sps := types.StoragePlacementSpec{
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Type: string(types.StoragePlacementSpecPlacementTypeCreate),
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ResourcePool: types.NewReference(cmd.ResourcePool.Reference()),
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PodSelectionSpec: podSelectionSpec,
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ConfigSpec: spec,
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}
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srm := object.NewStorageResourceManager(cmd.Client)
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result, err := srm.RecommendDatastores(ctx, sps)
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if err != nil {
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return nil, err
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}
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// Use result to pin disks to recommended datastores
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recs := result.Recommendations
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if len(recs) == 0 {
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return nil, fmt.Errorf("no recommendations")
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}
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ds := recs[0].Action[0].(*types.StoragePlacementAction).Destination
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var mds mo.Datastore
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err = property.DefaultCollector(cmd.Client).RetrieveOne(ctx, ds, []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, ds)
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datastore.InventoryPath = mds.Name
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// Apply recommendation to eligible disks
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for _, disk := range disks {
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backing := disk.Backing.(*types.VirtualDiskFlatVer2BackingInfo)
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backing.Datastore = &ds
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}
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return datastore, nil
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}
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