146 lines
3.1 KiB
Go
146 lines
3.1 KiB
Go
/*
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Copyright (c) 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 snapshot
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import (
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"context"
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"flag"
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"fmt"
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"path"
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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/vim25/mo"
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"github.com/vmware/govmomi/vim25/types"
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)
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type tree struct {
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*flags.VirtualMachineFlag
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fullPath bool
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current bool
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date bool
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id bool
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info *types.VirtualMachineSnapshotInfo
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}
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func init() {
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cli.Register("snapshot.tree", &tree{})
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}
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func (cmd *tree) Register(ctx context.Context, f *flag.FlagSet) {
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cmd.VirtualMachineFlag, ctx = flags.NewVirtualMachineFlag(ctx)
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cmd.VirtualMachineFlag.Register(ctx, f)
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f.BoolVar(&cmd.fullPath, "f", false, "Print the full path prefix for snapshot")
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f.BoolVar(&cmd.current, "c", true, "Print the current snapshot")
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f.BoolVar(&cmd.date, "D", false, "Print the snapshot creation date")
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f.BoolVar(&cmd.id, "i", false, "Print the snapshot id")
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}
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func (cmd *tree) Description() string {
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return `List VM snapshots in a tree-like format.
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The command will exit 0 with no output if VM does not have any snapshots.
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Examples:
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govc snapshot.tree -vm my-vm
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govc snapshot.tree -vm my-vm -D -i`
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}
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func (cmd *tree) Process(ctx context.Context) error {
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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 *tree) write(level int, parent string, st []types.VirtualMachineSnapshotTree) {
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for _, s := range st {
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sname := s.Name
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if cmd.fullPath && parent != "" {
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sname = path.Join(parent, sname)
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}
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names := []string{sname}
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if cmd.current && s.Snapshot == *cmd.info.CurrentSnapshot {
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names = append(names, ".")
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}
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for _, name := range names {
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var attr []string
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var meta string
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if cmd.id {
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attr = append(attr, s.Snapshot.Value)
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}
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if cmd.date {
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attr = append(attr, s.CreateTime.Format("Jan 2 15:04"))
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}
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if len(attr) > 0 {
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meta = fmt.Sprintf("[%s] ", strings.Join(attr, " "))
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}
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fmt.Printf("%s%s%s\n", strings.Repeat(" ", level), meta, name)
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}
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cmd.write(level+2, sname, s.ChildSnapshotList)
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}
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}
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func (cmd *tree) Run(ctx context.Context, f *flag.FlagSet) error {
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if f.NArg() != 0 {
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return flag.ErrHelp
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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 flag.ErrHelp
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}
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var o mo.VirtualMachine
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err = vm.Properties(ctx, vm.Reference(), []string{"snapshot"}, &o)
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if err != nil {
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return err
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}
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if o.Snapshot == nil {
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return nil
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}
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if cmd.current && o.Snapshot.CurrentSnapshot == nil {
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cmd.current = false
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}
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cmd.info = o.Snapshot
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cmd.write(0, "", o.Snapshot.RootSnapshotList)
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return nil
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}
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