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
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
|
//go:build amd64 || arm64
// +build amd64 arm64
package machine
import (
"encoding/json"
"os"
"sort"
"strconv"
"time"
"github.com/containers/common/pkg/completion"
"github.com/containers/common/pkg/config"
"github.com/containers/common/pkg/report"
"github.com/containers/podman/v4/cmd/podman/common"
"github.com/containers/podman/v4/cmd/podman/registry"
"github.com/containers/podman/v4/cmd/podman/validate"
"github.com/containers/podman/v4/pkg/machine"
"github.com/docker/go-units"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
var (
lsCmd = &cobra.Command{
Use: "list [options]",
Aliases: []string{"ls"},
Short: "List machines",
Long: "List managed virtual machines.",
RunE: list,
Args: validate.NoArgs,
ValidArgsFunction: completion.AutocompleteNone,
Example: `podman machine list,
podman machine list --format json
podman machine ls`,
}
listFlag = listFlagType{}
)
type listFlagType struct {
format string
noHeading bool
quiet bool
}
type machineReporter struct {
Name string
Default bool
Created string
Running bool
LastUp string
Stream string
VMType string
CPUs uint64
Memory string
DiskSize string
Port int
RemoteUsername string
IdentityPath string
}
func init() {
registry.Commands = append(registry.Commands, registry.CliCommand{
Command: lsCmd,
Parent: machineCmd,
})
flags := lsCmd.Flags()
formatFlagName := "format"
flags.StringVar(&listFlag.format, formatFlagName, "{{.Name}}\t{{.VMType}}\t{{.Created}}\t{{.LastUp}}\t{{.CPUs}}\t{{.Memory}}\t{{.DiskSize}}\n", "Format volume output using JSON or a Go template")
_ = lsCmd.RegisterFlagCompletionFunc(formatFlagName, common.AutocompleteFormat(machineReporter{}))
flags.BoolVar(&listFlag.noHeading, "noheading", false, "Do not print headers")
flags.BoolVarP(&listFlag.quiet, "quiet", "q", false, "Show only machine names")
}
func list(cmd *cobra.Command, args []string) error {
var (
opts machine.ListOptions
listResponse []*machine.ListResponse
err error
)
if listFlag.quiet {
listFlag.format = "{{.Name}}\n"
}
provider := getSystemDefaultProvider()
listResponse, err = provider.List(opts)
if err != nil {
return errors.Wrap(err, "error listing vms")
}
// Sort by last run
sort.Slice(listResponse, func(i, j int) bool {
return listResponse[i].LastUp.After(listResponse[j].LastUp)
})
// Bring currently running machines to top
sort.Slice(listResponse, func(i, j int) bool {
return listResponse[i].Running
})
if report.IsJSON(listFlag.format) {
machineReporter, err := toMachineFormat(listResponse)
if err != nil {
return err
}
b, err := json.MarshalIndent(machineReporter, "", " ")
if err != nil {
return err
}
os.Stdout.Write(b)
return nil
}
machineReporter, err := toHumanFormat(listResponse)
if err != nil {
return err
}
return outputTemplate(cmd, machineReporter)
}
func outputTemplate(cmd *cobra.Command, responses []*machineReporter) error {
headers := report.Headers(machineReporter{}, map[string]string{
"LastUp": "LAST UP",
"VmType": "VM TYPE",
"CPUs": "CPUS",
"Memory": "MEMORY",
"DiskSize": "DISK SIZE",
})
printHeader := !listFlag.noHeading
if listFlag.quiet {
printHeader = false
}
var row string
switch {
case cmd.Flags().Changed("format"):
row = cmd.Flag("format").Value.String()
listFlag.noHeading = !report.HasTable(row)
row = report.NormalizeFormat(row)
default:
row = cmd.Flag("format").Value.String()
}
format := report.EnforceRange(row)
tmpl, err := report.NewTemplate("list").Parse(format)
if err != nil {
return err
}
w, err := report.NewWriterDefault(os.Stdout)
if err != nil {
return err
}
defer w.Flush()
if printHeader {
if err := tmpl.Execute(w, headers); err != nil {
return errors.Wrapf(err, "failed to write report column headers")
}
}
return tmpl.Execute(w, responses)
}
func strTime(t time.Time) string {
iso, err := t.MarshalText()
if err != nil {
return ""
}
return string(iso)
}
func strUint(u uint64) string {
return strconv.FormatUint(u, 10)
}
func streamName(imageStream string) string {
if imageStream == "" {
return "default"
}
return imageStream
}
func toMachineFormat(vms []*machine.ListResponse) ([]*machineReporter, error) {
cfg, err := config.ReadCustomConfig()
if err != nil {
return nil, err
}
machineResponses := make([]*machineReporter, 0, len(vms))
for _, vm := range vms {
response := new(machineReporter)
response.Default = vm.Name == cfg.Engine.ActiveService
response.Name = vm.Name
response.Running = vm.Running
response.LastUp = strTime(vm.LastUp)
response.Created = strTime(vm.CreatedAt)
response.Stream = streamName(vm.Stream)
response.VMType = vm.VMType
response.CPUs = vm.CPUs
response.Memory = strUint(vm.Memory)
response.DiskSize = strUint(vm.DiskSize)
response.Port = vm.Port
response.RemoteUsername = vm.RemoteUsername
response.IdentityPath = vm.IdentityPath
machineResponses = append(machineResponses, response)
}
return machineResponses, nil
}
func toHumanFormat(vms []*machine.ListResponse) ([]*machineReporter, error) {
cfg, err := config.ReadCustomConfig()
if err != nil {
return nil, err
}
humanResponses := make([]*machineReporter, 0, len(vms))
for _, vm := range vms {
response := new(machineReporter)
if vm.Name == cfg.Engine.ActiveService {
response.Name = vm.Name + "*"
response.Default = true
} else {
response.Name = vm.Name
}
if vm.Running {
response.LastUp = "Currently running"
response.Running = true
} else {
response.LastUp = units.HumanDuration(time.Since(vm.LastUp)) + " ago"
}
response.Created = units.HumanDuration(time.Since(vm.CreatedAt)) + " ago"
response.VMType = vm.VMType
response.CPUs = vm.CPUs
response.Memory = units.HumanSize(float64(vm.Memory))
response.DiskSize = units.HumanSize(float64(vm.DiskSize))
humanResponses = append(humanResponses, response)
}
return humanResponses, nil
}
|
