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- package client
- import (
- "fmt"
- "net/url"
- "sort"
- "strings"
- "text/tabwriter"
- "golang.org/x/net/context"
- Cli "github.com/docker/docker/cli"
- "github.com/docker/docker/opts"
- flag "github.com/docker/docker/pkg/mflag"
- "github.com/docker/docker/pkg/stringutils"
- "github.com/docker/docker/registry"
- "github.com/docker/engine-api/types"
- "github.com/docker/engine-api/types/filters"
- 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 {
- var (
- err error
- filterArgs = filters.NewArgs()
- flFilter = opts.NewListOpts(nil)
- )
- cmd := Cli.Subcmd("search", []string{"TERM"}, Cli.DockerCommands["search"].Description, true)
- noTrunc := cmd.Bool([]string{"-no-trunc"}, false, "Don't truncate output")
- cmd.Var(&flFilter, []string{"f", "-filter"}, "Filter output based on conditions provided")
- flLimit := cmd.Int([]string{"-limit"}, registry.DefaultSearchLimit, "Max number of search results")
- // Deprecated since Docker 1.12 in favor of "--filter"
- automated := cmd.Bool([]string{"#-automated"}, false, "Only show automated builds - DEPRECATED")
- stars := cmd.Uint([]string{"s", "#-stars"}, 0, "Only displays with at least x stars - DEPRECATED")
- cmd.Require(flag.Exact, 1)
- cmd.ParseFlags(args, true)
- for _, f := range flFilter.GetAll() {
- if filterArgs, err = filters.ParseFlag(f, filterArgs); err != nil {
- return err
- }
- }
- name := cmd.Arg(0)
- v := url.Values{}
- v.Set("term", name)
- indexInfo, err := registry.ParseSearchIndexInfo(name)
- if err != nil {
- return err
- }
- ctx := context.Background()
- authConfig := cli.resolveAuthConfig(ctx, indexInfo)
- requestPrivilege := cli.registryAuthenticationPrivilegedFunc(indexInfo, "search")
- encodedAuth, err := encodeAuthToBase64(authConfig)
- if err != nil {
- return err
- }
- options := types.ImageSearchOptions{
- RegistryAuth: encodedAuth,
- PrivilegeFunc: requestPrivilege,
- Filters: filterArgs,
- Limit: *flLimit,
- }
- unorderedResults, err := cli.client.ImageSearch(ctx, name, options)
- 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 {
- // --automated and -s, --stars are deprecated since Docker 1.12
- 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 {
- 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 }
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