package main import ( "reflect" "strings" "github.com/containers/buildah/pkg/formats" "github.com/containers/image/types" "github.com/containers/libpod/cmd/podman/cliconfig" "github.com/containers/libpod/libpod/image" "github.com/pkg/errors" "github.com/spf13/cobra" ) const ( descriptionTruncLength = 44 maxQueries = 25 ) var ( searchCommand cliconfig.SearchValues searchDescription = `Search registries for a given image. Can search all the default registries or a specific registry. Users can limit the number of results, and filter the output based on certain conditions.` _searchCommand = &cobra.Command{ Use: "search [flags] TERM", Short: "Search registry for image", Long: searchDescription, RunE: func(cmd *cobra.Command, args []string) error { searchCommand.InputArgs = args searchCommand.GlobalFlags = MainGlobalOpts searchCommand.Remote = remoteclient return searchCmd(&searchCommand) }, Example: `podman search --filter=is-official --limit 3 alpine podman search registry.fedoraproject.org/ # only works with v2 registries podman search --format "table {{.Index}} {{.Name}}" registry.fedoraproject.org/fedora`, } ) func init() { searchCommand.Command = _searchCommand searchCommand.SetHelpTemplate(HelpTemplate()) searchCommand.SetUsageTemplate(UsageTemplate()) flags := searchCommand.Flags() flags.StringVar(&searchCommand.Authfile, "authfile", "", "Path of the authentication file. Default is ${XDG_RUNTIME_DIR}/containers/auth.json. Use REGISTRY_AUTH_FILE environment variable to override") flags.StringSliceVarP(&searchCommand.Filter, "filter", "f", []string{}, "Filter output based on conditions provided (default [])") flags.StringVar(&searchCommand.Format, "format", "", "Change the output format to a Go template") flags.IntVar(&searchCommand.Limit, "limit", 0, "Limit the number of results") flags.BoolVar(&searchCommand.NoTrunc, "no-trunc", false, "Do not truncate the output") flags.BoolVar(&searchCommand.TlsVerify, "tls-verify", true, "Require HTTPS and verify certificates when contacting registries") } func searchCmd(c *cliconfig.SearchValues) error { args := c.InputArgs if len(args) > 1 { return errors.Errorf("too many arguments. Requires exactly 1") } if len(args) == 0 { return errors.Errorf("no argument given, requires exactly 1 argument") } term := args[0] filter, err := image.ParseSearchFilter(c.Filter) if err != nil { return err } searchOptions := image.SearchOptions{ NoTrunc: c.NoTrunc, Limit: c.Limit, Filter: *filter, Authfile: getAuthFile(c.Authfile), } if c.Flag("tls-verify").Changed { searchOptions.InsecureSkipTLSVerify = types.NewOptionalBool(!c.TlsVerify) } results, err := image.SearchImages(term, searchOptions) if err != nil { return err } format := genSearchFormat(c.Format) if len(results) == 0 { return nil } out := formats.StdoutTemplateArray{Output: searchToGeneric(results), Template: format, Fields: searchHeaderMap()} formats.Writer(out).Out() return nil } // searchHeaderMap returns the headers of a SearchResult. func searchHeaderMap() map[string]string { s := new(image.SearchResult) v := reflect.Indirect(reflect.ValueOf(s)) values := make(map[string]string, v.NumField()) for i := 0; i < v.NumField(); i++ { key := v.Type().Field(i).Name value := key values[key] = strings.ToUpper(splitCamelCase(value)) } return values } func genSearchFormat(format string) string { if format != "" { // "\t" from the command line is not being recognized as a tab // replacing the string "\t" to a tab character if the user passes in "\t" return strings.Replace(format, `\t`, "\t", -1) } return "table {{.Index}}\t{{.Name}}\t{{.Description}}\t{{.Stars}}\t{{.Official}}\t{{.Automated}}\t" } func searchToGeneric(params []image.SearchResult) (genericParams []interface{}) { for _, v := range params { genericParams = append(genericParams, interface{}(v)) } return genericParams }