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
|
package images
import (
"fmt"
"os"
"text/tabwriter"
"text/template"
"github.com/containers/common/pkg/report"
"github.com/containers/podman/v3/cmd/podman/common"
"github.com/containers/podman/v3/cmd/podman/registry"
"github.com/containers/podman/v3/cmd/podman/utils"
"github.com/containers/podman/v3/pkg/domain/entities"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
var (
mountDescription = `podman image mount
Lists all mounted images mount points if no images is specified
podman image mount IMAGE-NAME-OR-ID
Mounts the specified image and prints the mountpoint
`
mountCommand = &cobra.Command{
Use: "mount [options] [IMAGE...]",
Short: "Mount an image's root filesystem",
Long: mountDescription,
RunE: mount,
ValidArgsFunction: common.AutocompleteImages,
Example: `podman image mount imgID
podman image mount imgID1 imgID2 imgID3
podman image mount
podman image mount --all`,
Annotations: map[string]string{
registry.UnshareNSRequired: "",
registry.ParentNSRequired: "",
},
}
)
var (
mountOpts entities.ImageMountOptions
)
func mountFlags(cmd *cobra.Command) {
flags := cmd.Flags()
flags.BoolVarP(&mountOpts.All, "all", "a", false, "Mount all images")
formatFlagName := "format"
flags.StringVar(&mountOpts.Format, formatFlagName, "", "Print the mounted images in specified format (json)")
_ = cmd.RegisterFlagCompletionFunc(formatFlagName, common.AutocompleteJSONFormat)
}
func init() {
registry.Commands = append(registry.Commands, registry.CliCommand{
Mode: []entities.EngineMode{entities.ABIMode},
Command: mountCommand,
Parent: imageCmd,
})
mountFlags(mountCommand)
}
func mount(cmd *cobra.Command, args []string) error {
if len(args) > 0 && mountOpts.All {
return errors.New("when using the --all switch, you may not pass any image names or IDs")
}
reports, err := registry.ImageEngine().Mount(registry.GetContext(), args, mountOpts)
if err != nil {
return err
}
if len(args) > 0 || mountOpts.All {
var errs utils.OutputErrors
for _, r := range reports {
if r.Err == nil {
fmt.Println(r.Path)
continue
}
errs = append(errs, r.Err)
}
return errs.PrintErrors()
}
switch {
case report.IsJSON(mountOpts.Format):
return printJSON(reports)
case mountOpts.Format == "":
break // default format
default:
return errors.Errorf("unknown --format argument: %q", mountOpts.Format)
}
mrs := make([]mountReporter, 0, len(reports))
for _, r := range reports {
mrs = append(mrs, mountReporter{r})
}
row := "{{range . }}{{.ID}}\t{{.Path}}\n{{end}}"
tmpl, err := template.New("mounts").Parse(row)
if err != nil {
return err
}
w := tabwriter.NewWriter(os.Stdout, 8, 2, 2, ' ', 0)
defer w.Flush()
return tmpl.Execute(w, mrs)
}
func printJSON(reports []*entities.ImageMountReport) error {
type jreport struct {
ID string `json:"id"`
Names []string
Repositories []string
Mountpoint string `json:"mountpoint"`
}
jreports := make([]jreport, 0, len(reports))
for _, r := range reports {
jreports = append(jreports, jreport{
ID: r.Id,
Names: []string{r.Name},
Repositories: r.Repositories,
Mountpoint: r.Path,
})
}
b, err := json.MarshalIndent(jreports, "", " ")
if err != nil {
return err
}
fmt.Println(string(b))
return nil
}
type mountReporter struct {
*entities.ImageMountReport
}
func (m mountReporter) ID() string {
if len(m.Repositories) > 0 {
return m.Repositories[0]
}
return m.Id
}
|
