mirror of https://github.com/helm/helm
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
70 lines
1.6 KiB
70 lines
1.6 KiB
4 years ago
|
/*
|
||
|
|
Copyright The Helm Authors.
|
||
|
|
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 getter
|
||
|
|
|
||
|
|
import (
|
||
|
|
"bytes"
|
||
|
|
"fmt"
|
||
|
|
"strings"
|
||
|
|
|
||
|
|
"helm.sh/helm/v3/internal/experimental/registry"
|
||
|
|
)
|
||
|
|
|
||
|
|
// OCIGetter is the default HTTP(/S) backend handler
|
||
|
|
type OCIGetter struct {
|
||
|
|
opts options
|
||
|
|
}
|
||
|
|
|
||
|
|
//Get performs a Get from repo.Getter and returns the body.
|
||
|
|
func (g *OCIGetter) Get(href string, options ...Option) (*bytes.Buffer, error) {
|
||
|
|
for _, opt := range options {
|
||
|
|
opt(&g.opts)
|
||
|
|
}
|
||
|
|
return g.get(href)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (g *OCIGetter) get(href string) (*bytes.Buffer, error) {
|
||
|
|
client := g.opts.registryClient
|
||
|
|
|
||
|
|
ref := strings.TrimPrefix(href, "oci://")
|
||
|
|
if version := g.opts.version; version != "" {
|
||
|
|
ref = fmt.Sprintf("%s:%s", ref, version)
|
||
|
|
}
|
||
|
|
|
||
|
|
r, err := registry.ParseReference(ref)
|
||
|
|
if err != nil {
|
||
|
|
return nil, err
|
||
|
|
}
|
||
|
|
|
||
|
|
buf, err := client.PullChart(r)
|
||
|
|
if err != nil {
|
||
|
|
return nil, err
|
||
|
|
}
|
||
|
|
|
||
|
|
return buf, nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// NewOCIGetter constructs a valid http/https client as a Getter
|
||
|
|
func NewOCIGetter(options ...Option) (Getter, error) {
|
||
|
|
var client OCIGetter
|
||
|
|
|
||
|
|
for _, opt := range options {
|
||
|
|
opt(&client.opts)
|
||
|
|
}
|
||
|
|
|
||
|
|
return &client, nil
|
||
|
|
}
|