mirror of https://github.com/helm/helm
Anton Galitsyn
9 years ago
committed by
Anton Galitsyn
parent
b928088a8a
commit
b0e7a43b5b
@ -0,0 +1,168 @@
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/*
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Copyright 2016 The Kubernetes Authors All rights reserved.
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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 repo // import "k8s.io/helm/pkg/repo"
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import (
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"fmt"
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"io/ioutil"
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"net/http"
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"os"
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"path/filepath"
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"strings"
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"github.com/ghodss/yaml"
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"k8s.io/helm/pkg/chartutil"
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"k8s.io/helm/pkg/provenance"
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"k8s.io/helm/pkg/tlsutil"
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)
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// ChartRepositoryConfig represents a collection of parameters for chart repository
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type ChartRepositoryConfig struct {
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Name string `json:"name"`
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Cache string `json:"cache"`
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URL string `json:"url"`
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CertFile string `json:"certFile"`
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KeyFile string `json:"keyFile"`
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CAFile string `json:"caFile"`
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}
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// ChartRepository represents a chart repository
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type ChartRepository struct {
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Config *ChartRepositoryConfig
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ChartPaths []string
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IndexFile *ChartRepositoryIndex
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Client *http.Client
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}
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// NewChartRepository constructs ChartRepository
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func NewChartRepository(cfg *ChartRepositoryConfig) (*ChartRepository, error) {
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var client *http.Client
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if cfg.CertFile != "" && cfg.KeyFile != "" && cfg.CAFile != "" {
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tlsConf, err := tlsutil.NewClientTLS(cfg.CertFile, cfg.KeyFile, cfg.CAFile)
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if err != nil {
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return nil, fmt.Errorf("can't create TLS config for client: %s", err.Error())
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}
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tlsConf.BuildNameToCertificate()
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client = &http.Client{
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Transport: &http.Transport{
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TLSClientConfig: tlsConf,
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},
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}
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} else {
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client = http.DefaultClient
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}
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return &ChartRepository{
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Config: cfg,
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IndexFile: NewChartRepositoryIndex(),
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Client: client,
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}, nil
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}
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// Load loads a directory of charts as if it were a repository.
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//
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// It requires the presence of an index.yaml file in the directory.
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func (r *ChartRepository) Load() error {
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dirInfo, err := os.Stat(r.Config.Name)
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if err != nil {
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return err
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}
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if !dirInfo.IsDir() {
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return fmt.Errorf("%q is not a directory", r.Config.Name)
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}
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// FIXME: Why are we recursively walking directories?
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// FIXME: Why are we not reading the repositories.yaml to figure out
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// what repos to use?
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filepath.Walk(r.Config.Name, func(path string, f os.FileInfo, err error) error {
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if !f.IsDir() {
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if strings.Contains(f.Name(), "-index.yaml") {
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i, err := NewChartRepositoryIndexFromFile(path)
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if err != nil {
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return nil
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}
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r.IndexFile = i
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} else if strings.HasSuffix(f.Name(), ".tgz") {
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r.ChartPaths = append(r.ChartPaths, path)
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}
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}
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return nil
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})
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return nil
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}
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// DownloadIndexFile fetches the index from a repository.
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func (r *ChartRepository) DownloadIndexFile() error {
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var indexURL string
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indexURL = strings.TrimSuffix(r.Config.URL, "/") + "/index.yaml"
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resp, err := r.Client.Get(indexURL)
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if err != nil {
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return err
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}
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defer resp.Body.Close()
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index, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return err
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}
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if _, err := loadIndex(index); err != nil {
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return err
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}
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return ioutil.WriteFile(r.Config.Cache, index, 0644)
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}
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// Index generates an index for the chart repository and writes an index.yaml file.
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func (r *ChartRepository) Index() error {
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err := r.generateIndex()
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if err != nil {
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return err
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}
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return r.saveIndexFile()
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}
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func (r *ChartRepository) saveIndexFile() error {
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index, err := yaml.Marshal(r.IndexFile)
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if err != nil {
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return err
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}
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return ioutil.WriteFile(filepath.Join(r.Config.Name, indexPath), index, 0644)
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}
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func (r *ChartRepository) generateIndex() error {
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for _, path := range r.ChartPaths {
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ch, err := chartutil.Load(path)
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if err != nil {
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return err
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}
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digest, err := provenance.DigestFile(path)
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if err != nil {
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return err
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}
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if !r.IndexFile.Has(ch.Metadata.Name, ch.Metadata.Version) {
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r.IndexFile.Add(ch.Metadata, path, r.Config.URL, digest)
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}
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// TODO: If a chart exists, but has a different Digest, should we error?
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}
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r.IndexFile.SortEntries()
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return nil
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}
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@ -0,0 +1,185 @@
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/*
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Copyright 2016 The Kubernetes Authors All rights reserved.
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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 repo
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import (
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"os"
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"path/filepath"
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"reflect"
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"testing"
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"time"
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"k8s.io/helm/pkg/proto/hapi/chart"
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)
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const (
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testRepository = "testdata/repository"
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testURL = "http://example-charts.com"
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)
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func TestLoadChartRepository(t *testing.T) {
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r, err := NewChartRepository(&ChartRepositoryConfig{
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Name: testRepository,
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URL: testURL,
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})
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if err != nil {
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t.Errorf("Problem creating chart repository from %s: %v", testRepository, err)
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}
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if err := r.Load(); err != nil {
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t.Errorf("Problem loading chart repository from %s: %v", testRepository, err)
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}
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paths := []string{
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filepath.Join(testRepository, "frobnitz-1.2.3.tgz"),
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filepath.Join(testRepository, "sprocket-1.1.0.tgz"),
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filepath.Join(testRepository, "sprocket-1.2.0.tgz"),
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}
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if r.Config.Name != testRepository {
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t.Errorf("Expected %s as Name but got %s", testRepository, r.Config.Name)
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}
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if !reflect.DeepEqual(r.ChartPaths, paths) {
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t.Errorf("Expected %#v but got %#v\n", paths, r.ChartPaths)
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}
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if r.Config.URL != testURL {
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t.Errorf("Expected url for chart repository to be %s but got %s", testURL, r.Config.URL)
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}
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}
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func TestIndex(t *testing.T) {
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r, err := NewChartRepository(&ChartRepositoryConfig{
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Name: testRepository,
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URL: testURL,
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})
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if err != nil {
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t.Errorf("Problem creating chart repository from %s: %v", testRepository, err)
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}
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if err := r.Load(); err != nil {
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t.Errorf("Problem loading chart repository from %s: %v", testRepository, err)
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}
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err = r.Index()
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if err != nil {
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t.Errorf("Error performing index: %v\n", err)
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}
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tempIndexPath := filepath.Join(testRepository, indexPath)
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actual, err := NewChartRepositoryIndexFromFile(tempIndexPath)
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defer os.Remove(tempIndexPath) // clean up
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if err != nil {
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t.Errorf("Error loading index file %v", err)
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}
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verifyIndex(t, actual)
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// Re-index and test again.
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err = r.Index()
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if err != nil {
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t.Errorf("Error performing re-index: %s\n", err)
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}
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second, err := NewChartRepositoryIndexFromFile(tempIndexPath)
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if err != nil {
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t.Errorf("Error re-loading index file %v", err)
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}
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verifyIndex(t, second)
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}
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func verifyIndex(t *testing.T, actual *ChartRepositoryIndex) {
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var empty time.Time
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if actual.Generated == empty {
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t.Errorf("Generated should be greater than 0: %s", actual.Generated)
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}
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if actual.APIVersion != APIVersionV1 {
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t.Error("Expected v1 API")
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}
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entries := actual.Entries
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if numEntries := len(entries); numEntries != 2 {
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t.Errorf("Expected 2 charts to be listed in index file but got %v", numEntries)
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}
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expects := map[string]ChartVersions{
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"frobnitz": {
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{
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Metadata: &chart.Metadata{
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Name: "frobnitz",
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Version: "1.2.3",
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},
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},
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},
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"sprocket": {
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{
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Metadata: &chart.Metadata{
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Name: "sprocket",
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Version: "1.2.0",
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},
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},
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{
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Metadata: &chart.Metadata{
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Name: "sprocket",
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Version: "1.1.0",
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},
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},
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},
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}
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for name, versions := range expects {
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got, ok := entries[name]
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if !ok {
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t.Errorf("Could not find %q entry", name)
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continue
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}
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if len(versions) != len(got) {
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t.Errorf("Expected %d versions, got %d", len(versions), len(got))
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continue
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}
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for i, e := range versions {
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g := got[i]
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if e.Name != g.Name {
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t.Errorf("Expected %q, got %q", e.Name, g.Name)
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}
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if e.Version != g.Version {
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t.Errorf("Expected %q, got %q", e.Version, g.Version)
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}
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if len(g.Keywords) != 3 {
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t.Error("Expected 3 keyrwords.")
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}
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if len(g.Maintainers) != 2 {
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t.Error("Expected 2 maintainers.")
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}
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if g.Created == empty {
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t.Error("Expected created to be non-empty")
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}
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if g.Description == "" {
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t.Error("Expected description to be non-empty")
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}
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if g.Home == "" {
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t.Error("Expected home to be non-empty")
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}
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if g.Digest == "" {
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t.Error("Expected digest to be non-empty")
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}
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if len(g.URLs) != 1 {
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t.Error("Expected exactly 1 URL")
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|
}
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|
}
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|
}
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}
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@ -0,0 +1,68 @@
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|
/*
|
||||||
|
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 tlsutil
|
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|
|
||||||
|
import (
|
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|
"crypto/tls"
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|
"crypto/x509"
|
||||||
|
"fmt"
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|
"io/ioutil"
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|
)
|
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|
|
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|
// NewClientTLS returns tls.Config appropriate for client auth.
|
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|
func NewClientTLS(certFile, keyFile, caFile string) (*tls.Config, error) {
|
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|
cert, err := CertFromFilePair(certFile, keyFile)
|
||||||
|
if err != nil {
|
||||||
|
return nil, err
|
||||||
|
}
|
||||||
|
cp, err := CertPoolFromFile(caFile)
|
||||||
|
if err != nil {
|
||||||
|
return nil, err
|
||||||
|
}
|
||||||
|
return &tls.Config{
|
||||||
|
Certificates: []tls.Certificate{*cert},
|
||||||
|
RootCAs: cp,
|
||||||
|
}, nil
|
||||||
|
}
|
||||||
|
|
||||||
|
// CertPoolFromFile returns an x509.CertPool containing the certificates
|
||||||
|
// in the given PEM-encoded file.
|
||||||
|
// Returns an error if the file could not be read, a certificate could not
|
||||||
|
// be parsed, or if the file does not contain any certificates
|
||||||
|
func CertPoolFromFile(filename string) (*x509.CertPool, error) {
|
||||||
|
b, err := ioutil.ReadFile(filename)
|
||||||
|
if err != nil {
|
||||||
|
return nil, fmt.Errorf("can't read CA file: %v", filename)
|
||||||
|
}
|
||||||
|
cp := x509.NewCertPool()
|
||||||
|
if !cp.AppendCertsFromPEM(b) {
|
||||||
|
return nil, fmt.Errorf("failed to append certificates from file: %s", filename)
|
||||||
|
}
|
||||||
|
return cp, nil
|
||||||
|
}
|
||||||
|
|
||||||
|
// CertFromFilePair returns an tls.Certificate containing the
|
||||||
|
// certificates public/private key pair from a pair of given PEM-encoded files.
|
||||||
|
// Returns an error if the file could not be read, a certificate could not
|
||||||
|
// be parsed, or if the file does not contain any certificates
|
||||||
|
func CertFromFilePair(certFile, keyFile string) (*tls.Certificate, error) {
|
||||||
|
cert, err := tls.LoadX509KeyPair(certFile, keyFile)
|
||||||
|
if err != nil {
|
||||||
|
return nil, fmt.Errorf("can't load key pair from cert %s and key %s", certFile, keyFile)
|
||||||
|
}
|
||||||
|
return &cert, err
|
||||||
|
}
|
||||||
@ -0,0 +1,66 @@
|
|||||||
|
/*
|
||||||
|
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 urlutil
|
||||||
|
|
||||||
|
import (
|
||||||
|
"net/url"
|
||||||
|
"path"
|
||||||
|
"path/filepath"
|
||||||
|
)
|
||||||
|
|
||||||
|
// URLJoin joins a base URL to one or more path components.
|
||||||
|
//
|
||||||
|
// It's like filepath.Join for URLs. If the baseURL is pathish, this will still
|
||||||
|
// perform a join.
|
||||||
|
//
|
||||||
|
// If the URL is unparsable, this returns an error.
|
||||||
|
func URLJoin(baseURL string, paths ...string) (string, error) {
|
||||||
|
u, err := url.Parse(baseURL)
|
||||||
|
if err != nil {
|
||||||
|
return "", err
|
||||||
|
}
|
||||||
|
// We want path instead of filepath because path always uses /.
|
||||||
|
all := []string{u.Path}
|
||||||
|
all = append(all, paths...)
|
||||||
|
u.Path = path.Join(all...)
|
||||||
|
return u.String(), nil
|
||||||
|
}
|
||||||
|
|
||||||
|
// URLAreEqual normalizes two URLs and then compares for equality.
|
||||||
|
//
|
||||||
|
// TODO: This and the urlJoin functions should really be moved to a 'urlutil' package.
|
||||||
|
func URLAreEqual(a, b string) bool {
|
||||||
|
au, err := url.Parse(a)
|
||||||
|
if err != nil {
|
||||||
|
a = filepath.Clean(a)
|
||||||
|
b = filepath.Clean(b)
|
||||||
|
// If urls are paths, return true only if they are an exact match
|
||||||
|
return a == b
|
||||||
|
}
|
||||||
|
bu, err := url.Parse(b)
|
||||||
|
if err != nil {
|
||||||
|
return false
|
||||||
|
}
|
||||||
|
|
||||||
|
for _, u := range []*url.URL{au, bu} {
|
||||||
|
if u.Path == "" {
|
||||||
|
u.Path = "/"
|
||||||
|
}
|
||||||
|
u.Path = filepath.Clean(u.Path)
|
||||||
|
}
|
||||||
|
return au.String() == bu.String()
|
||||||
|
}
|
||||||
@ -0,0 +1,64 @@
|
|||||||
|
/*
|
||||||
|
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 urlutil
|
||||||
|
|
||||||
|
import "testing"
|
||||||
|
|
||||||
|
func TestUrlJoin(t *testing.T) {
|
||||||
|
tests := []struct {
|
||||||
|
name, url, expect string
|
||||||
|
paths []string
|
||||||
|
}{
|
||||||
|
{name: "URL, one path", url: "http://example.com", paths: []string{"hello"}, expect: "http://example.com/hello"},
|
||||||
|
{name: "Long URL, one path", url: "http://example.com/but/first", paths: []string{"slurm"}, expect: "http://example.com/but/first/slurm"},
|
||||||
|
{name: "URL, two paths", url: "http://example.com", paths: []string{"hello", "world"}, expect: "http://example.com/hello/world"},
|
||||||
|
{name: "URL, no paths", url: "http://example.com", paths: []string{}, expect: "http://example.com"},
|
||||||
|
{name: "basepath, two paths", url: "../example.com", paths: []string{"hello", "world"}, expect: "../example.com/hello/world"},
|
||||||
|
}
|
||||||
|
|
||||||
|
for _, tt := range tests {
|
||||||
|
if got, err := URLJoin(tt.url, tt.paths...); err != nil {
|
||||||
|
t.Errorf("%s: error %q", tt.name, err)
|
||||||
|
} else if got != tt.expect {
|
||||||
|
t.Errorf("%s: expected %q, got %q", tt.name, tt.expect, got)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
func TestUrlAreEqual(t *testing.T) {
|
||||||
|
for _, tt := range []struct {
|
||||||
|
a, b string
|
||||||
|
match bool
|
||||||
|
}{
|
||||||
|
{"http://example.com", "http://example.com", true},
|
||||||
|
{"http://example.com", "http://another.example.com", false},
|
||||||
|
{"https://example.com", "https://example.com", true},
|
||||||
|
{"http://example.com/", "http://example.com", true},
|
||||||
|
{"https://example.com", "http://example.com", false},
|
||||||
|
{"http://example.com/foo", "http://example.com/foo/", true},
|
||||||
|
{"http://example.com/foo//", "http://example.com/foo/", true},
|
||||||
|
{"http://example.com/./foo/", "http://example.com/foo/", true},
|
||||||
|
{"http://example.com/bar/../foo/", "http://example.com/foo/", true},
|
||||||
|
{"/foo", "/foo", true},
|
||||||
|
{"/foo", "/foo/", true},
|
||||||
|
{"/foo/.", "/foo/", true},
|
||||||
|
} {
|
||||||
|
if tt.match != URLAreEqual(tt.a, tt.b) {
|
||||||
|
t.Errorf("Expected %q==%q to be %t", tt.a, tt.b, tt.match)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
Loading…
Reference in new issue