package client import ( "fmt" "net/url" "sort" "strings" "text/tabwriter" Cli "github.com/docker/docker/cli" flag "github.com/docker/docker/pkg/mflag" "github.com/docker/docker/pkg/stringutils" "github.com/docker/docker/registry" "github.com/docker/engine-api/types" registrytypes "github.com/docker/engine-api/types/registry" ) // CmdSearch searches the Docker Hub for images. // // Usage: docker search [OPTIONS] TERM func (cli *DockerCli) CmdSearch(args ...string) error { cmd := Cli.Subcmd("search", []string{"TERM"}, Cli.DockerCommands["search"].Description, true) noTrunc := cmd.Bool([]string{"-no-trunc"}, false, "Don't truncate output") automated := cmd.Bool([]string{"-automated"}, false, "Only show automated builds") stars := cmd.Uint([]string{"s", "-stars"}, 0, "Only displays with at least x stars") cmd.Require(flag.Exact, 1) cmd.ParseFlags(args, true) name := cmd.Arg(0) v := url.Values{} v.Set("term", name) indexInfo, err := registry.ParseSearchIndexInfo(name) if err != nil { return err } authConfig := registry.ResolveAuthConfig(cli.configFile.AuthConfigs, indexInfo) requestPrivilege := cli.registryAuthenticationPrivilegedFunc(indexInfo, "search") encodedAuth, err := encodeAuthToBase64(authConfig) if err != nil { return err } options := types.ImageSearchOptions{ Term: name, RegistryAuth: encodedAuth, } unorderedResults, err := cli.client.ImageSearch(options, requestPrivilege) if err != nil { return err } results := searchResultsByStars(unorderedResults) sort.Sort(results) w := tabwriter.NewWriter(cli.out, 10, 1, 3, ' ', 0) fmt.Fprintf(w, "NAME\tDESCRIPTION\tSTARS\tOFFICIAL\tAUTOMATED\n") for _, res := range results { if (*automated && !res.IsAutomated) || (int(*stars) > res.StarCount) { continue } desc := strings.Replace(res.Description, "\n", " ", -1) desc = strings.Replace(desc, "\r", " ", -1) if !*noTrunc && len(desc) > 45 { desc = stringutils.Truncate(desc, 42) + "..." } fmt.Fprintf(w, "%s\t%s\t%d\t", res.Name, desc, res.StarCount) if res.IsOfficial { fmt.Fprint(w, "[OK]") } fmt.Fprint(w, "\t") if res.IsAutomated || res.IsTrusted { fmt.Fprint(w, "[OK]") } fmt.Fprint(w, "\n") } w.Flush() return nil } // SearchResultsByStars sorts search results in descending order by number of stars. type searchResultsByStars []registrytypes.SearchResult func (r searchResultsByStars) Len() int { return len(r) } func (r searchResultsByStars) Swap(i, j int) { r[i], r[j] = r[j], r[i] } func (r searchResultsByStars) Less(i, j int) bool { return r[j].StarCount < r[i].StarCount }