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.
helm/pkg/pusher/ocipusher.go

96 lines
2.1 KiB

/*
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 pusher
import (
"fmt"
"io/ioutil"
"path"
"strings"
"helm.sh/helm/v3/internal/experimental/registry"
"helm.sh/helm/v3/pkg/chart/loader"
)
// OCIPusher is the default OCI backend handler
type OCIPusher struct {
opts options
}
// Push performs a Push from repo.Pusher.
func (pusher *OCIPusher) Push(chartRef, href string, options ...Option) error {
for _, opt := range options {
opt(&pusher.opts)
}
return pusher.push(chartRef, href)
}
func (pusher *OCIPusher) push(chartRef, href string) error {
meta, err := loader.Load(chartRef)
if err != nil {
return err
}
client := pusher.opts.registryClient
chartBytes, err := ioutil.ReadFile(chartRef)
if err != nil {
return err
}
var pushOpts []registry.PushOption
var provBytes []byte
if pusher.opts.withProv {
provRef := fmt.Sprintf("%s.prov", chartRef)
provBytes, err = ioutil.ReadFile(provRef)
if err != nil {
return err
}
pushOpts = append(pushOpts, registry.PushOptProvData(provBytes))
}
ref := fmt.Sprintf("%s:%s",
path.Join(strings.TrimPrefix(href, "oci://"), meta.Metadata.Name),
meta.Metadata.Version)
_, err = client.Push(chartBytes, ref, pushOpts...)
if err != nil {
return err
}
return nil
}
// NewOCIPusher constructs a valid OCI client as a Pusher
func NewOCIPusher(ops ...Option) (Pusher, error) {
registryClient, err := registry.NewClient()
if err != nil {
return nil, err
}
client := OCIPusher{
opts: options{
registryClient: registryClient,
},
}
for _, opt := range ops {
opt(&client.opts)
}
return &client, nil
}