mirror of
				https://github.com/moby/moby.git
				synced 2022-11-09 12:21:53 -05:00 
			
		
		
		
	Make better default usage on context.Context on the `api/client` package to share the context (it is useless if not shared, which was the case for a lot of commands). Signed-off-by: Vincent Demeester <vincent@sbr.pm>
		
			
				
	
	
		
			117 lines
		
	
	
	
		
			3.2 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			117 lines
		
	
	
	
		
			3.2 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
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")
 | 
						|
 | 
						|
	// 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,
 | 
						|
	}
 | 
						|
 | 
						|
	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 }
 |