github.com/rsampaio/docker@v0.7.2-0.20150827203920-fdc73cc3fc31/api/client/search.go (about)

     1  package client
     2  
     3  import (
     4  	"encoding/json"
     5  	"fmt"
     6  	"net/url"
     7  	"sort"
     8  	"strings"
     9  	"text/tabwriter"
    10  
    11  	Cli "github.com/docker/docker/cli"
    12  	flag "github.com/docker/docker/pkg/mflag"
    13  	"github.com/docker/docker/pkg/parsers"
    14  	"github.com/docker/docker/pkg/stringutils"
    15  	"github.com/docker/docker/registry"
    16  )
    17  
    18  // ByStars sorts search results in ascending order by number of stars.
    19  type ByStars []registry.SearchResult
    20  
    21  func (r ByStars) Len() int           { return len(r) }
    22  func (r ByStars) Swap(i, j int)      { r[i], r[j] = r[j], r[i] }
    23  func (r ByStars) Less(i, j int) bool { return r[i].StarCount < r[j].StarCount }
    24  
    25  // CmdSearch searches the Docker Hub for images.
    26  //
    27  // Usage: docker search [OPTIONS] TERM
    28  func (cli *DockerCli) CmdSearch(args ...string) error {
    29  	cmd := Cli.Subcmd("search", []string{"TERM"}, "Search the Docker Hub for images", true)
    30  	noTrunc := cmd.Bool([]string{"#notrunc", "-no-trunc"}, false, "Don't truncate output")
    31  	trusted := cmd.Bool([]string{"#t", "#trusted", "#-trusted"}, false, "Only show trusted builds")
    32  	automated := cmd.Bool([]string{"-automated"}, false, "Only show automated builds")
    33  	stars := cmd.Uint([]string{"s", "#stars", "-stars"}, 0, "Only displays with at least x stars")
    34  	cmd.Require(flag.Exact, 1)
    35  
    36  	cmd.ParseFlags(args, true)
    37  
    38  	name := cmd.Arg(0)
    39  	v := url.Values{}
    40  	v.Set("term", name)
    41  
    42  	// Resolve the Repository name from fqn to hostname + name
    43  	taglessRemote, _ := parsers.ParseRepositoryTag(name)
    44  	repoInfo, err := registry.ParseRepositoryInfo(taglessRemote)
    45  	if err != nil {
    46  		return err
    47  	}
    48  
    49  	rdr, _, err := cli.clientRequestAttemptLogin("GET", "/images/search?"+v.Encode(), nil, nil, repoInfo.Index, "search")
    50  	if err != nil {
    51  		return err
    52  	}
    53  
    54  	defer rdr.Close()
    55  
    56  	results := ByStars{}
    57  	if err := json.NewDecoder(rdr).Decode(&results); err != nil {
    58  		return err
    59  	}
    60  
    61  	sort.Sort(sort.Reverse(results))
    62  
    63  	w := tabwriter.NewWriter(cli.out, 10, 1, 3, ' ', 0)
    64  	fmt.Fprintf(w, "NAME\tDESCRIPTION\tSTARS\tOFFICIAL\tAUTOMATED\n")
    65  	for _, res := range results {
    66  		if ((*automated || *trusted) && (!res.IsTrusted && !res.IsAutomated)) || (int(*stars) > res.StarCount) {
    67  			continue
    68  		}
    69  		desc := strings.Replace(res.Description, "\n", " ", -1)
    70  		desc = strings.Replace(desc, "\r", " ", -1)
    71  		if !*noTrunc && len(desc) > 45 {
    72  			desc = stringutils.Truncate(desc, 42) + "..."
    73  		}
    74  		fmt.Fprintf(w, "%s\t%s\t%d\t", res.Name, desc, res.StarCount)
    75  		if res.IsOfficial {
    76  			fmt.Fprint(w, "[OK]")
    77  
    78  		}
    79  		fmt.Fprint(w, "\t")
    80  		if res.IsAutomated || res.IsTrusted {
    81  			fmt.Fprint(w, "[OK]")
    82  		}
    83  		fmt.Fprint(w, "\n")
    84  	}
    85  	w.Flush()
    86  	return nil
    87  }