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package client
import (
"encoding/json"
"fmt"
"net/http"
"net/url"
"github.com/docker/engine-api/types"
"github.com/docker/engine-api/types/filters"
"github.com/docker/engine-api/types/registry"
"golang.org/x/net/context"
)
// ImageSearch makes the docker host to search by a term in a remote registry.
// The list of results is not sorted in any fashion.
func (cli *Client) ImageSearch(ctx context.Context, term string, options types.ImageSearchOptions) ([]registry.SearchResult, error) {
var results []registry.SearchResult
query := url.Values{}
query.Set("term", term)
query.Set("limit", fmt.Sprintf("%d", options.Limit))
if options.Filters.Len() > 0 {
filterJSON, err := filters.ToParam(options.Filters)
if err != nil {
return results, err
}
query.Set("filters", filterJSON)
}
resp, err := cli.tryImageSearch(ctx, query, options.RegistryAuth)
if resp.statusCode == http.StatusUnauthorized && options.PrivilegeFunc != nil {
newAuthHeader, privilegeErr := options.PrivilegeFunc()
if privilegeErr != nil {
return results, privilegeErr
}
resp, err = cli.tryImageSearch(ctx, query, newAuthHeader)
}
if err != nil {
return results, err
}
err = json.NewDecoder(resp.body).Decode(&results)
ensureReaderClosed(resp)
return results, err
}
func (cli *Client) tryImageSearch(ctx context.Context, query url.Values, registryAuth string) (*serverResponse, error) {
headers := map[string][]string{"X-Registry-Auth": {registryAuth}}
return cli.get(ctx, "/images/search", query, headers)
}
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