docker/api/client/search.go

84 строки
2.2 KiB
Go

package client
import (
"encoding/json"
"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"
)
// ByStars sorts search results in ascending order by number of stars.
type ByStars []registry.SearchResult
func (r ByStars) Len() int { return len(r) }
func (r ByStars) Swap(i, j int) { r[i], r[j] = r[j], r[i] }
func (r ByStars) Less(i, j int) bool { return r[i].StarCount < r[j].StarCount }
// 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
}
rdr, _, err := cli.clientRequestAttemptLogin("GET", "/images/search?"+v.Encode(), nil, nil, indexInfo, "search")
if err != nil {
return err
}
defer rdr.Close()
results := ByStars{}
if err := json.NewDecoder(rdr).Decode(&results); err != nil {
return err
}
sort.Sort(sort.Reverse(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
}