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-rw-r--r--cmd/podmanV2/images/images.go21
-rw-r--r--cmd/podmanV2/images/list.go213
-rw-r--r--cmd/podmanV2/registry/registry.go8
-rw-r--r--cmd/podmanV2/report/templates.go29
4 files changed, 242 insertions, 29 deletions
diff --git a/cmd/podmanV2/images/images.go b/cmd/podmanV2/images/images.go
index a1e56396a..719846b4c 100644
--- a/cmd/podmanV2/images/images.go
+++ b/cmd/podmanV2/images/images.go
@@ -9,17 +9,16 @@ import (
)
var (
- // podman _images_
+ // podman _images_ Alias for podman image _list_
imagesCmd = &cobra.Command{
Use: strings.Replace(listCmd.Use, "list", "images", 1),
+ Args: listCmd.Args,
Short: listCmd.Short,
Long: listCmd.Long,
PersistentPreRunE: preRunE,
- RunE: images,
+ RunE: listCmd.RunE,
Example: strings.Replace(listCmd.Example, "podman image list", "podman images", -1),
}
-
- imagesOpts = entities.ImageListOptions{}
)
func init() {
@@ -30,17 +29,5 @@ func init() {
imagesCmd.SetHelpTemplate(registry.HelpTemplate())
imagesCmd.SetUsageTemplate(registry.UsageTemplate())
- flags := imagesCmd.Flags()
- flags.BoolVarP(&imagesOpts.All, "all", "a", false, "Show all images (default hides intermediate images)")
- flags.BoolVar(&imagesOpts.Digests, "digests", false, "Show digests")
- flags.StringSliceVarP(&imagesOpts.Filter, "filter", "f", []string{}, "Filter output based on conditions provided (default [])")
- flags.StringVar(&imagesOpts.Format, "format", "", "Change the output format to JSON or a Go template")
- flags.BoolVarP(&imagesOpts.Noheading, "noheading", "n", false, "Do not print column headings")
- // TODO Need to learn how to deal with second name being a string instead of a char.
- // This needs to be "no-trunc, notruncate"
- flags.BoolVar(&imagesOpts.NoTrunc, "no-trunc", false, "Do not truncate output")
- flags.BoolVar(&imagesOpts.NoTrunc, "notruncate", false, "Do not truncate output")
- flags.BoolVarP(&imagesOpts.Quiet, "quiet", "q", false, "Display only image IDs")
- flags.StringVar(&imagesOpts.Sort, "sort", "created", "Sort by created, id, repository, size, or tag")
- flags.BoolVarP(&imagesOpts.History, "history", "", false, "Display the image name history")
+ imageListFlagSet(imagesCmd.Flags())
}
diff --git a/cmd/podmanV2/images/list.go b/cmd/podmanV2/images/list.go
index 0441f8fd8..4714af3e4 100644
--- a/cmd/podmanV2/images/list.go
+++ b/cmd/podmanV2/images/list.go
@@ -1,16 +1,40 @@
package images
import (
+ "errors"
+ "fmt"
+ "os"
+ "sort"
+ "strings"
+ "text/tabwriter"
+ "text/template"
+ "time"
+
"github.com/containers/libpod/cmd/podmanV2/registry"
+ "github.com/containers/libpod/cmd/podmanV2/report"
"github.com/containers/libpod/pkg/domain/entities"
+ jsoniter "github.com/json-iterator/go"
"github.com/spf13/cobra"
+ "github.com/spf13/pflag"
)
+type listFlagType struct {
+ format string
+ history bool
+ noHeading bool
+ noTrunc bool
+ quiet bool
+ sort string
+ readOnly bool
+ digests bool
+}
+
var (
// Command: podman image _list_
listCmd = &cobra.Command{
Use: "list [flag] [IMAGE]",
Aliases: []string{"ls"},
+ Args: cobra.MaximumNArgs(1),
Short: "List images in local storage",
Long: "Lists images previously pulled to the system or created on the system.",
RunE: images,
@@ -18,6 +42,19 @@ var (
podman image list --sort repository --format "table {{.ID}} {{.Repository}} {{.Tag}}"
podman image list --filter dangling=true`,
}
+
+ // Options to pull data
+ listOptions = entities.ImageListOptions{}
+
+ // Options for presenting data
+ listFlag = listFlagType{}
+
+ sortFields = entities.NewStringSet(
+ "created",
+ "id",
+ "repository",
+ "size",
+ "tag")
)
func init() {
@@ -26,9 +63,181 @@ func init() {
Command: listCmd,
Parent: imageCmd,
})
+ imageListFlagSet(listCmd.Flags())
+}
+
+func imageListFlagSet(flags *pflag.FlagSet) {
+ flags.BoolVarP(&listOptions.All, "all", "a", false, "Show all images (default hides intermediate images)")
+ flags.StringSliceVarP(&listOptions.Filter, "filter", "f", []string{}, "Filter output based on conditions provided (default [])")
+ flags.StringVar(&listFlag.format, "format", "", "Change the output format to JSON or a Go template")
+ flags.BoolVar(&listFlag.digests, "digests", false, "Show digests")
+ flags.BoolVarP(&listFlag.noHeading, "noheading", "n", false, "Do not print column headings")
+ flags.BoolVar(&listFlag.noTrunc, "no-trunc", false, "Do not truncate output")
+ flags.BoolVar(&listFlag.noTrunc, "notruncate", false, "Do not truncate output")
+ flags.BoolVarP(&listFlag.quiet, "quiet", "q", false, "Display only image IDs")
+ flags.StringVar(&listFlag.sort, "sort", "created", "Sort by "+sortFields.String())
+ flags.BoolVarP(&listFlag.history, "history", "", false, "Display the image name history")
}
func images(cmd *cobra.Command, args []string) error {
- _, _ = registry.Options(cmd)
- return nil
+ if len(listOptions.Filter) > 0 && len(args) > 0 {
+ return errors.New("cannot specify an image and a filter(s)")
+ }
+
+ if len(listOptions.Filter) < 1 && len(args) > 0 {
+ listOptions.Filter = append(listOptions.Filter, "reference="+args[0])
+ }
+
+ if cmd.Flag("sort").Changed && !sortFields.Contains(listFlag.sort) {
+ return fmt.Errorf("\"%s\" is not a valid field for sorting. Choose from: %s",
+ listFlag.sort, sortFields.String())
+ }
+
+ summaries, err := registry.ImageEngine().List(registry.GetContext(), listOptions)
+ if err != nil {
+ return err
+ }
+
+ imageS := summaries
+ sort.Slice(imageS, sortFunc(listFlag.sort, imageS))
+
+ if cmd.Flag("format").Changed && listFlag.format == "json" {
+ return writeJSON(imageS)
+ } else {
+ return writeTemplate(imageS, err)
+ }
+}
+
+func writeJSON(imageS []*entities.ImageSummary) error {
+ type image struct {
+ entities.ImageSummary
+ Created string
+ }
+
+ imgs := make([]image, 0, len(imageS))
+ for _, e := range imageS {
+ var h image
+ h.ImageSummary = *e
+ h.Created = time.Unix(e.Created, 0).Format(time.RFC3339)
+ h.RepoTags = nil
+
+ imgs = append(imgs, h)
+ }
+
+ json := jsoniter.ConfigCompatibleWithStandardLibrary
+ enc := json.NewEncoder(os.Stdout)
+ return enc.Encode(imgs)
+}
+
+func writeTemplate(imageS []*entities.ImageSummary, err error) error {
+ type image struct {
+ entities.ImageSummary
+ Repository string `json:"repository,omitempty"`
+ Tag string `json:"tag,omitempty"`
+ }
+
+ imgs := make([]image, 0, len(imageS))
+ for _, e := range imageS {
+ for _, tag := range e.RepoTags {
+ var h image
+ h.ImageSummary = *e
+ h.Repository, h.Tag = tokenRepoTag(tag)
+ imgs = append(imgs, h)
+ }
+ if e.IsReadOnly() {
+ listFlag.readOnly = true
+ }
+ }
+
+ hdr, row := imageListFormat(listFlag)
+ format := hdr + "{{range . }}" + row + "{{end}}"
+
+ tmpl := template.Must(template.New("report").Funcs(report.PodmanTemplateFuncs()).Parse(format))
+ w := tabwriter.NewWriter(os.Stdout, 8, 2, 2, ' ', 0)
+ defer w.Flush()
+ return tmpl.Execute(w, imgs)
+}
+
+func tokenRepoTag(tag string) (string, string) {
+ tokens := strings.SplitN(tag, ":", 2)
+ switch len(tokens) {
+ case 0:
+ return tag, ""
+ case 1:
+ return tokens[0], ""
+ case 2:
+ return tokens[0], tokens[1]
+ default:
+ return "<N/A>", ""
+ }
+}
+
+func sortFunc(key string, data []*entities.ImageSummary) func(i, j int) bool {
+ switch key {
+ case "id":
+ return func(i, j int) bool {
+ return data[i].ID < data[j].ID
+ }
+ case "repository":
+ return func(i, j int) bool {
+ return data[i].RepoTags[0] < data[j].RepoTags[0]
+ }
+ case "size":
+ return func(i, j int) bool {
+ return data[i].Size < data[j].Size
+ }
+ case "tag":
+ return func(i, j int) bool {
+ return data[i].RepoTags[0] < data[j].RepoTags[0]
+ }
+ default:
+ // case "created":
+ return func(i, j int) bool {
+ return data[i].Created >= data[j].Created
+ }
+ }
+}
+
+func imageListFormat(flags listFlagType) (string, string) {
+ if flags.quiet {
+ return "", "{{slice .ID 0 12}}\n"
+ }
+
+ // Defaults
+ hdr := "REPOSITORY\tTAG"
+ row := "{{.Repository}}\t{{if .Tag}}{{.Tag}}{{else}}<none>{{end}}"
+
+ if flags.digests {
+ hdr += "\tDIGEST"
+ row += "\t{{.Digest}}"
+ }
+
+ hdr += "\tID"
+ if flags.noTrunc {
+ row += "\tsha256:{{.ID}}"
+ } else {
+ row += "\t{{slice .ID 0 12}}"
+ }
+
+ hdr += "\tCREATED\tSIZE"
+ row += "\t{{humanDuration .Created}}\t{{humanSize .Size}}"
+
+ if flags.history {
+ hdr += "\tHISTORY"
+ row += "\t{{if .History}}{{join .History \", \"}}{{else}}<none>{{end}}"
+ }
+
+ if flags.readOnly {
+ hdr += "\tReadOnly"
+ row += "\t{{.ReadOnly}}"
+ }
+
+ if flags.noHeading {
+ hdr = ""
+ } else {
+ hdr += "\n"
+ }
+
+ row += "\n"
+ return hdr, row
}
diff --git a/cmd/podmanV2/registry/registry.go b/cmd/podmanV2/registry/registry.go
index 9c12b2456..f0650a7cf 100644
--- a/cmd/podmanV2/registry/registry.go
+++ b/cmd/podmanV2/registry/registry.go
@@ -21,6 +21,7 @@ var (
imageEngine entities.ImageEngine
containerEngine entities.ContainerEngine
+ cliCtx context.Context
EngineOptions entities.EngineOptions
@@ -125,3 +126,10 @@ func Options(cmd *cobra.Command) (*entities.EngineOptions, error) {
}
return nil, nil
}
+
+func GetContext() context.Context {
+ if cliCtx == nil {
+ cliCtx = context.TODO()
+ }
+ return cliCtx
+}
diff --git a/cmd/podmanV2/report/templates.go b/cmd/podmanV2/report/templates.go
index dc43d4f9b..f3bc06405 100644
--- a/cmd/podmanV2/report/templates.go
+++ b/cmd/podmanV2/report/templates.go
@@ -4,6 +4,7 @@ import (
"strings"
"text/template"
"time"
+ "unicode"
"github.com/docker/go-units"
)
@@ -15,7 +16,24 @@ var defaultFuncMap = template.FuncMap{
}
return s
},
- // TODO: Remove on Go 1.14 port
+ "humanDuration": func(t int64) string {
+ return units.HumanDuration(time.Since(time.Unix(t, 0))) + " ago"
+ },
+ "humanSize": func(sz int64) string {
+ s := units.HumanSizeWithPrecision(float64(sz), 3)
+ i := strings.LastIndexFunc(s, unicode.IsNumber)
+ return s[:i+1] + " " + s[i+1:]
+ },
+ "join": strings.Join,
+ "lower": strings.ToLower,
+ "rfc3339": func(t int64) string {
+ return time.Unix(t, 0).Format(time.RFC3339)
+ },
+ "replace": strings.Replace,
+ "split": strings.Split,
+ "title": strings.Title,
+ "upper": strings.ToUpper,
+ // TODO: Remove after Go 1.14 port
"slice": func(s string, i, j int) string {
if i > j || len(s) < i {
return s
@@ -25,15 +43,6 @@ var defaultFuncMap = template.FuncMap{
}
return s[i:j]
},
- "toRFC3339": func(t int64) string {
- return time.Unix(t, 0).Format(time.RFC3339)
- },
- "toHumanDuration": func(t int64) string {
- return units.HumanDuration(time.Since(time.Unix(t, 0))) + " ago"
- },
- "toHumanSize": func(sz int64) string {
- return units.HumanSize(float64(sz))
- },
}
func ReportHeader(columns ...string) []byte {
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-11-06 22:40:23 +0000