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4cb0c93f92
Subcommands can provide multiple usage synopses. Docker-DCO-1.1-Signed-off-by: Josh Hawn <josh.hawn@docker.com> (github: jlhawn)
84 lines
2.5 KiB
Go
84 lines
2.5 KiB
Go
package client
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import (
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"encoding/json"
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"fmt"
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"net/url"
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"sort"
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"strings"
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"text/tabwriter"
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flag "github.com/docker/docker/pkg/mflag"
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"github.com/docker/docker/pkg/parsers"
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"github.com/docker/docker/pkg/stringutils"
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"github.com/docker/docker/registry"
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)
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// ByStars sorts search results in ascending order by number of stars.
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type ByStars []registry.SearchResult
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func (r ByStars) Len() int { return len(r) }
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func (r ByStars) Swap(i, j int) { r[i], r[j] = r[j], r[i] }
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func (r ByStars) Less(i, j int) bool { return r[i].StarCount < r[j].StarCount }
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// CmdSearch searches the Docker Hub for images.
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//
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// Usage: docker search [OPTIONS] TERM
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func (cli *DockerCli) CmdSearch(args ...string) error {
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cmd := cli.Subcmd("search", []string{"TERM"}, "Search the Docker Hub for images", true)
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noTrunc := cmd.Bool([]string{"#notrunc", "-no-trunc"}, false, "Don't truncate output")
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trusted := cmd.Bool([]string{"#t", "#trusted", "#-trusted"}, false, "Only show trusted builds")
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automated := cmd.Bool([]string{"-automated"}, false, "Only show automated builds")
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stars := cmd.Uint([]string{"s", "#stars", "-stars"}, 0, "Only displays with at least x stars")
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cmd.Require(flag.Exact, 1)
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cmd.ParseFlags(args, true)
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name := cmd.Arg(0)
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v := url.Values{}
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v.Set("term", name)
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// Resolve the Repository name from fqn to hostname + name
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taglessRemote, _ := parsers.ParseRepositoryTag(name)
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repoInfo, err := registry.ParseRepositoryInfo(taglessRemote)
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if err != nil {
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return err
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}
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rdr, _, err := cli.clientRequestAttemptLogin("GET", "/images/search?"+v.Encode(), nil, nil, repoInfo.Index, "search")
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if err != nil {
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return err
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}
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results := ByStars{}
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if err := json.NewDecoder(rdr).Decode(&results); err != nil {
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return err
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}
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sort.Sort(sort.Reverse(results))
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w := tabwriter.NewWriter(cli.out, 10, 1, 3, ' ', 0)
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fmt.Fprintf(w, "NAME\tDESCRIPTION\tSTARS\tOFFICIAL\tAUTOMATED\n")
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for _, res := range results {
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if ((*automated || *trusted) && (!res.IsTrusted && !res.IsAutomated)) || (int(*stars) > res.StarCount) {
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continue
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}
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desc := strings.Replace(res.Description, "\n", " ", -1)
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desc = strings.Replace(desc, "\r", " ", -1)
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if !*noTrunc && len(desc) > 45 {
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desc = stringutils.Truncate(desc, 42) + "..."
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}
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fmt.Fprintf(w, "%s\t%s\t%d\t", res.Name, desc, res.StarCount)
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if res.IsOfficial {
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fmt.Fprint(w, "[OK]")
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}
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fmt.Fprint(w, "\t")
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if res.IsAutomated || res.IsTrusted {
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fmt.Fprint(w, "[OK]")
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}
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fmt.Fprint(w, "\n")
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}
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w.Flush()
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return nil
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}
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