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
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
|
package system
import (
"fmt"
"os"
"strings"
"time"
"github.com/containers/common/pkg/completion"
"github.com/containers/common/pkg/report"
"github.com/containers/podman/v3/cmd/podman/registry"
"github.com/containers/podman/v3/cmd/podman/validate"
"github.com/containers/podman/v3/pkg/domain/entities"
"github.com/docker/go-units"
"github.com/spf13/cobra"
)
var (
dfSystemDescription = `
podman system df
Show podman disk usage
`
dfSystemCommand = &cobra.Command{
Use: "df [options]",
Args: validate.NoArgs,
Short: "Show podman disk usage",
Long: dfSystemDescription,
RunE: df,
ValidArgsFunction: completion.AutocompleteNone,
}
)
var (
dfOptions entities.SystemDfOptions
)
func init() {
registry.Commands = append(registry.Commands, registry.CliCommand{
Command: dfSystemCommand,
Parent: systemCmd,
})
flags := dfSystemCommand.Flags()
flags.BoolVarP(&dfOptions.Verbose, "verbose", "v", false, "Show detailed information on disk usage")
formatFlagName := "format"
flags.StringVar(&dfOptions.Format, formatFlagName, "", "Pretty-print images using a Go template")
_ = dfSystemCommand.RegisterFlagCompletionFunc(formatFlagName, completion.AutocompleteNone)
}
func df(cmd *cobra.Command, args []string) error {
reports, err := registry.ContainerEngine().SystemDf(registry.Context(), dfOptions)
if err != nil {
return err
}
w, err := report.NewWriterDefault(os.Stdout)
if err != nil {
return err
}
if dfOptions.Verbose {
return printVerbose(w, cmd, reports)
}
return printSummary(w, cmd, reports)
}
func printSummary(w *report.Writer, cmd *cobra.Command, reports *entities.SystemDfReport) error {
var (
dfSummaries []*dfSummary
active int
size, reclaimable int64
)
for _, i := range reports.Images {
if i.Containers > 0 {
active++
}
size += i.Size
if i.Containers < 1 {
reclaimable += i.Size
}
}
imageSummary := dfSummary{
Type: "Images",
Total: len(reports.Images),
Active: active,
size: size,
reclaimable: reclaimable,
}
dfSummaries = append(dfSummaries, &imageSummary)
// Containers
var (
conActive int
conSize, conReclaimable int64
)
for _, c := range reports.Containers {
if c.Status == "running" {
conActive++
} else {
conReclaimable += c.RWSize
}
conSize += c.RWSize
}
containerSummary := dfSummary{
Type: "Containers",
Total: len(reports.Containers),
Active: conActive,
size: conSize,
reclaimable: conReclaimable,
}
dfSummaries = append(dfSummaries, &containerSummary)
// Volumes
var (
activeVolumes int
volumesSize, volumesReclaimable int64
)
for _, v := range reports.Volumes {
activeVolumes += v.Links
volumesSize += v.Size
volumesReclaimable += v.ReclaimableSize
}
volumeSummary := dfSummary{
Type: "Local Volumes",
Total: len(reports.Volumes),
Active: activeVolumes,
size: volumesSize,
reclaimable: volumesReclaimable,
}
dfSummaries = append(dfSummaries, &volumeSummary)
// need to give un-exported fields
hdrs := report.Headers(dfSummary{}, map[string]string{
"Size": "SIZE",
"Reclaimable": "RECLAIMABLE",
})
row := "{{.Type}}\t{{.Total}}\t{{.Active}}\t{{.Size}}\t{{.Reclaimable}}\n"
if cmd.Flags().Changed("format") {
row = report.NormalizeFormat(dfOptions.Format)
}
return writeTemplate(w, cmd, hdrs, row, dfSummaries)
}
func printVerbose(w *report.Writer, cmd *cobra.Command, reports *entities.SystemDfReport) error {
defer w.Flush()
fmt.Fprint(w, "Images space usage:\n\n")
// convert to dfImage for output
dfImages := make([]*dfImage, 0, len(reports.Images))
for _, d := range reports.Images {
dfImages = append(dfImages, &dfImage{SystemDfImageReport: d})
}
hdrs := report.Headers(entities.SystemDfImageReport{}, map[string]string{
"ImageID": "IMAGE ID",
"SharedSize": "SHARED SIZE",
"UniqueSize": "UNIQUE SIZE",
})
imageRow := "{{.Repository}}\t{{.Tag}}\t{{.ImageID}}\t{{.Created}}\t{{.Size}}\t{{.SharedSize}}\t{{.UniqueSize}}\t{{.Containers}}\n"
if err := writeTemplate(w, cmd, hdrs, imageRow, dfImages); err != nil {
return nil
}
fmt.Fprint(w, "\nContainers space usage:\n\n")
// convert to dfContainers for output
dfContainers := make([]*dfContainer, 0, len(reports.Containers))
for _, d := range reports.Containers {
dfContainers = append(dfContainers, &dfContainer{SystemDfContainerReport: d})
}
hdrs = report.Headers(entities.SystemDfContainerReport{}, map[string]string{
"ContainerID": "CONTAINER ID",
"LocalVolumes": "LOCAL VOLUMES",
"RWSize": "SIZE",
})
containerRow := "{{.ContainerID}}\t{{.Image}}\t{{.Command}}\t{{.LocalVolumes}}\t{{.RWSize}}\t{{.Created}}\t{{.Status}}\t{{.Names}}\n"
if err := writeTemplate(w, cmd, hdrs, containerRow, dfContainers); err != nil {
return nil
}
fmt.Fprint(w, "\nLocal Volumes space usage:\n\n")
dfVolumes := make([]*dfVolume, 0, len(reports.Volumes))
// convert to dfVolume for output
for _, d := range reports.Volumes {
dfVolumes = append(dfVolumes, &dfVolume{SystemDfVolumeReport: d})
}
hdrs = report.Headers(entities.SystemDfVolumeReport{}, map[string]string{
"VolumeName": "VOLUME NAME",
})
volumeRow := "{{.VolumeName}}\t{{.Links}}\t{{.Size}}\n"
return writeTemplate(w, cmd, hdrs, volumeRow, dfVolumes)
}
func writeTemplate(w *report.Writer, cmd *cobra.Command, hdrs []map[string]string, format string, output interface{}) error {
defer w.Flush()
format = report.EnforceRange(format)
tmpl, err := report.NewTemplate("df").Parse(format)
if err != nil {
return err
}
if !cmd.Flags().Changed("format") {
if err := tmpl.Execute(w, hdrs); err != nil {
return err
}
}
return tmpl.Execute(w, output)
}
type dfImage struct {
*entities.SystemDfImageReport
}
func (d *dfImage) ImageID() string {
return d.SystemDfImageReport.ImageID[0:12]
}
func (d *dfImage) Created() string {
return units.HumanDuration(time.Since(d.SystemDfImageReport.Created))
}
func (d *dfImage) Size() string {
return units.HumanSize(float64(d.SystemDfImageReport.Size))
}
func (d *dfImage) SharedSize() string {
return units.HumanSize(float64(d.SystemDfImageReport.SharedSize))
}
func (d *dfImage) UniqueSize() string {
return units.HumanSize(float64(d.SystemDfImageReport.UniqueSize))
}
type dfContainer struct {
*entities.SystemDfContainerReport
}
func (d *dfContainer) ContainerID() string {
return d.SystemDfContainerReport.ContainerID[0:12]
}
func (d *dfContainer) Image() string {
return d.SystemDfContainerReport.Image[0:12]
}
func (d *dfContainer) Command() string {
return strings.Join(d.SystemDfContainerReport.Command, " ")
}
func (d *dfContainer) RWSize() string {
return units.HumanSize(float64(d.SystemDfContainerReport.RWSize))
}
func (d *dfContainer) Created() string {
return units.HumanDuration(time.Since(d.SystemDfContainerReport.Created))
}
type dfVolume struct {
*entities.SystemDfVolumeReport
}
func (d *dfVolume) Size() string {
return units.HumanSize(float64(d.SystemDfVolumeReport.Size))
}
type dfSummary struct {
Type string
Total int
Active int
size int64
reclaimable int64
}
func (d *dfSummary) Size() string {
return units.HumanSize(float64(d.size))
}
func (d *dfSummary) Reclaimable() string {
percent := int(float64(d.reclaimable)/float64(d.size)) * 100
return fmt.Sprintf("%s (%d%%)", units.HumanSize(float64(d.reclaimable)), percent)
}
|
