/
repositories.go
62 lines (56 loc) · 1.62 KB
/
repositories.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
package registry
import (
"encoding/json"
"fmt"
"net/url"
"strings"
registrytypes "github.com/docker/docker/api/types/registry"
log "github.com/sirupsen/logrus"
)
type repositoriesResponse struct {
Repositories []string `json:"repositories"`
}
func (registry *Registry) Repositories() ([]string, error) {
url := registry.url("/v2/_catalog")
repos := make([]string, 0, 10)
var err error //We create this here, otherwise url will be rescoped with :=
var response repositoriesResponse
for {
log.WithFields(log.Fields{"url": url}).Debug()
if !strings.HasPrefix(url, registry.URL) {
url = registry.URL + url
}
url, err = registry.getPaginatedJson(url, &response)
switch err {
case ErrNoMorePages:
repos = append(repos, response.Repositories...)
return repos, nil
case nil:
repos = append(repos, response.Repositories...)
continue
default:
log.WithFields(log.Fields{"error": err}).Debug() // Debug level, as we are trying different URLs
return nil, err
}
}
}
func (registry *Registry) Search(term string, limit int) ([]string, error) {
u := registry.url("/v1/search?q=" + url.QueryEscape(term) + "&n=" + url.QueryEscape(fmt.Sprintf("%d", limit)))
resp, err := registry.Client.Get(u)
if err != nil {
return nil, err
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
return nil, fmt.Errorf("Unexpected status code %d", resp.StatusCode)
}
result := new(registrytypes.SearchResults)
if err = json.NewDecoder(resp.Body).Decode(result); err != nil {
return nil, err
}
list := make([]string, len(result.Results))
for i, sr := range result.Results {
list[i] = sr.Name
}
return list, err
}