forked from vmware/govmomi
/
change.go
147 lines (116 loc) · 4.01 KB
/
change.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
/*
Copyright (c) 2015-2017 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 vm
import (
"context"
"flag"
"fmt"
"strings"
"github.com/vmware/govmomi/govc/cli"
"github.com/vmware/govmomi/govc/flags"
"github.com/vmware/govmomi/vim25/types"
)
type extraConfig []types.BaseOptionValue
func (e *extraConfig) String() string {
return fmt.Sprintf("%v", *e)
}
func (e *extraConfig) Set(v string) error {
r := strings.SplitN(v, "=", 2)
if len(r) < 2 {
return fmt.Errorf("failed to parse extraConfig: %s", v)
}
*e = append(*e, &types.OptionValue{Key: r[0], Value: r[1]})
return nil
}
type change struct {
*flags.VirtualMachineFlag
*flags.ResourceAllocationFlag
types.VirtualMachineConfigSpec
extraConfig extraConfig
}
func init() {
cli.Register("vm.change", &change{})
}
// setAllocation sets *info=nil if none of the fields have been set.
// We need non-nil fields for use with flag.FlagSet, but we want the
// VirtualMachineConfigSpec fields to be nil if none of the related flags were given.
func setAllocation(info **types.ResourceAllocationInfo) {
r := *info
if r.Shares.Level == "" {
r.Shares = nil
} else {
return
}
if r.Limit != nil {
return
}
if r.Reservation != nil {
return
}
*info = nil
}
func (cmd *change) Register(ctx context.Context, f *flag.FlagSet) {
cmd.VirtualMachineFlag, ctx = flags.NewVirtualMachineFlag(ctx)
cmd.VirtualMachineFlag.Register(ctx, f)
cmd.CpuAllocation = &types.ResourceAllocationInfo{Shares: new(types.SharesInfo)}
cmd.MemoryAllocation = &types.ResourceAllocationInfo{Shares: new(types.SharesInfo)}
cmd.ResourceAllocationFlag = flags.NewResourceAllocationFlag(cmd.CpuAllocation, cmd.MemoryAllocation)
cmd.ResourceAllocationFlag.ExpandableReservation = false
cmd.ResourceAllocationFlag.Register(ctx, f)
f.Int64Var(&cmd.MemoryMB, "m", 0, "Size in MB of memory")
f.Var(flags.NewInt32(&cmd.NumCPUs), "c", "Number of CPUs")
f.StringVar(&cmd.GuestId, "g", "", "Guest OS")
f.StringVar(&cmd.Name, "name", "", "Display name")
f.StringVar(&cmd.Annotation, "annotation", "", "VM description")
f.Var(&cmd.extraConfig, "e", "ExtraConfig. <key>=<value>")
f.Var(flags.NewOptionalBool(&cmd.NestedHVEnabled), "nested-hv-enabled", "Enable nested hardware-assisted virtualization")
cmd.Tools = &types.ToolsConfigInfo{}
f.Var(flags.NewOptionalBool(&cmd.Tools.SyncTimeWithHost), "sync-time-with-host", "Enable SyncTimeWithHost")
}
func (cmd *change) Description() string {
return `Change VM configuration.
To add ExtraConfig variables that can read within the guest, use the 'guestinfo.' prefix.
Examples:
govc vm.change -vm $vm -mem.reservation 2048
govc vm.change -vm $vm -e smc.present=TRUE -e ich7m.present=TRUE
# Enable both cpu and memory hotplug on a guest:
govc vm.change -vm $vm -e vcpu.hotadd=true -e mem.hotadd=true
govc vm.change -vm $vm -e guestinfo.vmname $vm
# Read the variable set above inside the guest:
vmware-rpctool "info-get guestinfo.vmname"`
}
func (cmd *change) Process(ctx context.Context) error {
if err := cmd.VirtualMachineFlag.Process(ctx); err != nil {
return err
}
return nil
}
func (cmd *change) Run(ctx context.Context, f *flag.FlagSet) error {
vm, err := cmd.VirtualMachine()
if err != nil {
return err
}
if vm == nil {
return flag.ErrHelp
}
if len(cmd.extraConfig) > 0 {
cmd.VirtualMachineConfigSpec.ExtraConfig = cmd.extraConfig
}
setAllocation(&cmd.CpuAllocation)
setAllocation(&cmd.MemoryAllocation)
task, err := vm.Reconfigure(ctx, cmd.VirtualMachineConfigSpec)
if err != nil {
return err
}
return task.Wait(ctx)
}