mirror of
https://github.com/kubevela/kubevela.git
synced 2026-05-05 00:47:08 +00:00
100 lines
2.3 KiB
Go
100 lines
2.3 KiB
Go
/*
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Copyright 2023 The KubeVela Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package helm
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import (
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"bytes"
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"context"
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"fmt"
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"net/url"
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"strings"
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"time"
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"helm.sh/helm/v3/pkg/getter"
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helmrepo "helm.sh/helm/v3/pkg/repo"
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"sigs.k8s.io/yaml"
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)
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// IndexYaml is the index.yaml of helm repo
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const IndexYaml = "index.yaml"
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// LoadRepoIndex load helm repo index
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func LoadRepoIndex(_ context.Context, u string, cred *RepoCredential) (*helmrepo.IndexFile, error) {
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if !strings.HasSuffix(u, "/") {
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u = fmt.Sprintf("%s/%s", u, IndexYaml)
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} else {
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u = fmt.Sprintf("%s%s", u, IndexYaml)
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}
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resp, err := loadData(u, cred)
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if err != nil {
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return nil, err
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}
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indexFile, err := loadIndex(resp.Bytes())
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if err != nil {
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return nil, err
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}
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return indexFile, nil
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}
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func loadData(u string, cred *RepoCredential) (*bytes.Buffer, error) {
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parsedURL, err := url.Parse(u)
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if err != nil {
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return nil, err
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}
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var resp *bytes.Buffer
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skipTLS := true
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if cred.InsecureSkipTLSVerify != nil && !*cred.InsecureSkipTLSVerify {
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skipTLS = false
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}
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indexURL := parsedURL.String()
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// TODO add user-agent
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g, _ := getter.NewHTTPGetter()
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resp, err = g.Get(indexURL,
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getter.WithTimeout(5*time.Minute),
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getter.WithURL(u),
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getter.WithInsecureSkipVerifyTLS(skipTLS),
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getter.WithTLSClientConfig(cred.CertFile, cred.KeyFile, cred.CAFile),
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getter.WithBasicAuth(cred.Username, cred.Password),
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)
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if err != nil {
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return nil, err
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}
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return resp, nil
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}
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// loadIndex loads an index file and does minimal validity checking.
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//
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// This will fail if API Version is not set (ErrNoAPIVersion) or if the unmarshal fails.
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func loadIndex(data []byte) (*helmrepo.IndexFile, error) {
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i := &helmrepo.IndexFile{}
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if err := yaml.Unmarshal(data, i); err != nil {
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return i, err
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}
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i.SortEntries()
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if i.APIVersion == "" {
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return i, helmrepo.ErrNoAPIVersion
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}
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return i, nil
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}
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