126 lines
3.5 KiB
Go
126 lines
3.5 KiB
Go
package registry
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import (
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"fmt"
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"sort"
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"strings"
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"text/tabwriter"
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"golang.org/x/net/context"
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"github.com/docker/docker/api/types"
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registrytypes "github.com/docker/docker/api/types/registry"
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"github.com/docker/docker/cli"
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"github.com/docker/docker/cli/command"
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"github.com/docker/docker/opts"
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"github.com/docker/docker/pkg/stringutils"
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"github.com/docker/docker/registry"
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"github.com/spf13/cobra"
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)
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type searchOptions struct {
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term string
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noTrunc bool
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limit int
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filter opts.FilterOpt
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// Deprecated
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stars uint
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automated bool
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}
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// NewSearchCommand creates a new `docker search` command
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func NewSearchCommand(dockerCli *command.DockerCli) *cobra.Command {
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opts := searchOptions{filter: opts.NewFilterOpt()}
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cmd := &cobra.Command{
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Use: "search [OPTIONS] TERM",
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Short: "Search the Docker Hub for images",
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Args: cli.ExactArgs(1),
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RunE: func(cmd *cobra.Command, args []string) error {
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opts.term = args[0]
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return runSearch(dockerCli, opts)
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},
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}
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flags := cmd.Flags()
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flags.BoolVar(&opts.noTrunc, "no-trunc", false, "Don't truncate output")
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flags.VarP(&opts.filter, "filter", "f", "Filter output based on conditions provided")
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flags.IntVar(&opts.limit, "limit", registry.DefaultSearchLimit, "Max number of search results")
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flags.BoolVar(&opts.automated, "automated", false, "Only show automated builds")
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flags.UintVarP(&opts.stars, "stars", "s", 0, "Only displays with at least x stars")
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flags.MarkDeprecated("automated", "use --filter=automated=true instead")
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flags.MarkDeprecated("stars", "use --filter=stars=3 instead")
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return cmd
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}
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func runSearch(dockerCli *command.DockerCli, opts searchOptions) error {
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indexInfo, err := registry.ParseSearchIndexInfo(opts.term)
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if err != nil {
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return err
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}
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ctx := context.Background()
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authConfig := command.ResolveAuthConfig(ctx, dockerCli, indexInfo)
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requestPrivilege := command.RegistryAuthenticationPrivilegedFunc(dockerCli, indexInfo, "search")
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encodedAuth, err := command.EncodeAuthToBase64(authConfig)
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if err != nil {
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return err
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}
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options := types.ImageSearchOptions{
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RegistryAuth: encodedAuth,
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PrivilegeFunc: requestPrivilege,
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Filters: opts.filter.Value(),
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Limit: opts.limit,
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}
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clnt := dockerCli.Client()
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unorderedResults, err := clnt.ImageSearch(ctx, opts.term, options)
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if err != nil {
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return err
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}
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results := searchResultsByStars(unorderedResults)
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sort.Sort(results)
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w := tabwriter.NewWriter(dockerCli.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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// --automated and -s, --stars are deprecated since Docker 1.12
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if (opts.automated && !res.IsAutomated) || (int(opts.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 !opts.noTrunc {
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desc = stringutils.Ellipsis(desc, 45)
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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 {
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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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// searchResultsByStars sorts search results in descending order by number of stars.
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type searchResultsByStars []registrytypes.SearchResult
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func (r searchResultsByStars) Len() int { return len(r) }
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func (r searchResultsByStars) Swap(i, j int) { r[i], r[j] = r[j], r[i] }
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func (r searchResultsByStars) Less(i, j int) bool { return r[j].StarCount < r[i].StarCount }
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