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.
112 lines
2.6 KiB
112 lines
2.6 KiB
/*
|
|
Copyright 2016 The Kubernetes Authors 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 repo
|
|
|
|
import (
|
|
"io/ioutil"
|
|
"net/http"
|
|
"strings"
|
|
|
|
"gopkg.in/yaml.v2"
|
|
|
|
"k8s.io/helm/pkg/proto/hapi/chart"
|
|
)
|
|
|
|
var indexPath = "index.yaml"
|
|
|
|
// IndexFile represents the index file in a chart repository
|
|
type IndexFile struct {
|
|
Entries map[string]*ChartRef
|
|
}
|
|
|
|
// ChartRef represents a chart entry in the IndexFile
|
|
type ChartRef struct {
|
|
Name string `yaml:"name"`
|
|
URL string `yaml:"url"`
|
|
Created string `yaml:"created,omitempty"`
|
|
Removed bool `yaml:"removed,omitempty"`
|
|
Checksum string `yaml:"checksum,omitempty"`
|
|
Chartfile *chart.Metadata `yaml:"chartfile"`
|
|
}
|
|
|
|
// DownloadIndexFile uses
|
|
func DownloadIndexFile(repoName, url, indexFilePath string) error {
|
|
var indexURL string
|
|
|
|
indexURL = strings.TrimSuffix(url, "/") + "/index.yaml"
|
|
resp, err := http.Get(indexURL)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer resp.Body.Close()
|
|
|
|
var r IndexFile
|
|
|
|
b, err := ioutil.ReadAll(resp.Body)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if err := yaml.Unmarshal(b, &r); err != nil {
|
|
return err
|
|
}
|
|
|
|
return ioutil.WriteFile(indexFilePath, b, 0644)
|
|
}
|
|
|
|
// UnmarshalYAML unmarshals the index file
|
|
func (i *IndexFile) UnmarshalYAML(unmarshal func(interface{}) error) error {
|
|
var refs map[string]*ChartRef
|
|
if err := unmarshal(&refs); err != nil {
|
|
if _, ok := err.(*yaml.TypeError); !ok {
|
|
return err
|
|
}
|
|
}
|
|
i.Entries = refs
|
|
return nil
|
|
}
|
|
|
|
func (i *IndexFile) addEntry(name string, url string) ([]byte, error) {
|
|
if i.Entries == nil {
|
|
i.Entries = make(map[string]*ChartRef)
|
|
}
|
|
entry := ChartRef{Name: name, URL: url}
|
|
i.Entries[name] = &entry
|
|
out, err := yaml.Marshal(&i.Entries)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return out, nil
|
|
}
|
|
|
|
// LoadIndexFile takes a file at the given path and returns an IndexFile object
|
|
func LoadIndexFile(path string) (*IndexFile, error) {
|
|
b, err := ioutil.ReadFile(path)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
var indexfile IndexFile
|
|
err = yaml.Unmarshal(b, &indexfile)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return &indexfile, nil
|
|
}
|