forked from google/go-containerregistry
/
list.go
64 lines (54 loc) · 1.71 KB
/
list.go
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// Copyright 2018 Google LLC All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package remote
import (
"encoding/json"
"fmt"
"net/http"
"net/url"
"github.com/aaron-prindle/go-containerregistry/pkg/authn"
"github.com/aaron-prindle/go-containerregistry/pkg/name"
"github.com/aaron-prindle/go-containerregistry/pkg/v1/remote/transport"
)
type Tags struct {
Name string `json:"name"`
Tags []string `json:"tags"`
}
// TODO(jonjohnsonjr): return []name.Tag?
func List(repo name.Repository, auth authn.Authenticator, t http.RoundTripper) ([]string, error) {
scopes := []string{repo.Scope(transport.PullScope)}
tr, err := transport.New(repo.Registry, auth, t, scopes)
if err != nil {
return nil, err
}
uri := url.URL{
Scheme: repo.Registry.Scheme(),
Host: repo.Registry.RegistryStr(),
Path: fmt.Sprintf("/v2/%s/tags/list", repo.RepositoryStr()),
}
client := http.Client{Transport: tr}
resp, err := client.Get(uri.String())
if err != nil {
return nil, err
}
defer resp.Body.Close()
if err := CheckError(resp, http.StatusOK); err != nil {
return nil, err
}
tags := Tags{}
if err := json.NewDecoder(resp.Body).Decode(&tags); err != nil {
return nil, err
}
return tags.Tags, nil
}