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package main
import (
"encoding/json"
"fmt"
"os"
"github.com/containers/storage"
"github.com/containers/storage/pkg/mflag"
digest "github.com/opencontainers/go-digest"
)
var (
imagesQuiet = false
)
func images(flags *mflag.FlagSet, action string, m storage.Store, args []string) int {
images, err := m.Images()
if err != nil {
fmt.Fprintf(os.Stderr, "%+v\n", err)
return 1
}
if jsonOutput {
json.NewEncoder(os.Stdout).Encode(images)
} else {
for _, image := range images {
fmt.Printf("%s\n", image.ID)
if imagesQuiet {
continue
}
for _, name := range image.Names {
fmt.Printf("\tname: %s\n", name)
}
for _, digest := range image.Digests {
fmt.Printf("\tdigest: %s\n", digest.String())
}
for _, name := range image.BigDataNames {
fmt.Printf("\tdata: %s\n", name)
}
}
}
return 0
}
func imagesByDigest(flags *mflag.FlagSet, action string, m storage.Store, args []string) int {
images := []*storage.Image{}
for _, arg := range args {
d := digest.Digest(arg)
if err := d.Validate(); err != nil {
fmt.Fprintf(os.Stderr, "%s: %v\n", arg, err)
return 1
}
matched, err := m.ImagesByDigest(d)
if err != nil {
fmt.Fprintf(os.Stderr, "%+v\n", err)
return 1
}
images = append(images, matched...)
}
if jsonOutput {
json.NewEncoder(os.Stdout).Encode(images)
} else {
for _, image := range images {
fmt.Printf("%s\n", image.ID)
if imagesQuiet {
continue
}
for _, name := range image.Names {
fmt.Printf("\tname: %s\n", name)
}
for _, digest := range image.Digests {
fmt.Printf("\tdigest: %s\n", digest.String())
}
for _, name := range image.BigDataNames {
fmt.Printf("\tdata: %s\n", name)
}
}
}
return 0
}
func init() {
commands = append(commands, command{
names: []string{"images"},
optionsHelp: "[options [...]]",
usage: "List images",
action: images,
maxArgs: 0,
addFlags: func(flags *mflag.FlagSet, cmd *command) {
flags.BoolVar(&jsonOutput, []string{"-json", "j"}, jsonOutput, "Prefer JSON output")
flags.BoolVar(&imagesQuiet, []string{"-quiet", "q"}, imagesQuiet, "Only print IDs")
},
})
commands = append(commands, command{
names: []string{"images-by-digest"},
optionsHelp: "[options [...]] DIGEST",
usage: "List images by digest",
action: imagesByDigest,
minArgs: 1,
maxArgs: 1,
addFlags: func(flags *mflag.FlagSet, cmd *command) {
flags.BoolVar(&jsonOutput, []string{"-json", "j"}, jsonOutput, "Prefer JSON output")
flags.BoolVar(&imagesQuiet, []string{"-quiet", "q"}, imagesQuiet, "Only print IDs")
},
})
}
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