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@ -74,35 +74,17 @@ func (c ChartVersions) Less(a, b int) bool {
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return i.LessThan(j)
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}
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// ChartRepositoryIndex represents the index file in a chart repository
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type ChartRepositoryIndex struct {
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// IndexFile represents the index file in a chart repository
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type IndexFile struct {
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APIVersion string `json:"apiVersion"`
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Generated time.Time `json:"generated"`
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Entries map[string]ChartVersions `json:"entries"`
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PublicKeys []string `json:"publicKeys,omitempty"`
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}
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// ChartVersion represents a chart entry in the ChartRepositoryIndex
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type ChartVersion struct {
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*chart.Metadata
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URLs []string `json:"urls"`
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Created time.Time `json:"created,omitempty"`
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Removed bool `json:"removed,omitempty"`
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Digest string `json:"digest,omitempty"`
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}
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// unversionedEntry represents a deprecated pre-Alpha.5 format.
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//
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// This will be removed prior to v2.0.0
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type unversionedEntry struct {
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Checksum string `json:"checksum"`
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URL string `json:"url"`
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Chartfile *chart.Metadata `json:"chartfile"`
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}
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// NewChartRepositoryIndex initializes an index.
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func NewChartRepositoryIndex() *ChartRepositoryIndex {
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return &ChartRepositoryIndex{
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// NewIndexFile initializes an index.
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func NewIndexFile() *IndexFile {
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return &IndexFile{
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APIVersion: APIVersionV1,
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Generated: time.Now(),
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Entries: map[string]ChartVersions{},
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@ -110,8 +92,8 @@ func NewChartRepositoryIndex() *ChartRepositoryIndex {
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}
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}
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// NewChartRepositoryIndexFromFile takes a file at the given path and returns an ChartRepositoryIndex object
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func NewChartRepositoryIndexFromFile(path string) (*ChartRepositoryIndex, error) {
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// LoadIndexFile takes a file at the given path and returns an IndexFile object
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func LoadIndexFile(path string) (*IndexFile, error) {
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b, err := ioutil.ReadFile(path)
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if err != nil {
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return nil, err
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@ -119,89 +101,9 @@ func NewChartRepositoryIndexFromFile(path string) (*ChartRepositoryIndex, error)
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return loadIndex(b)
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}
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// NewChartRepositoryIndexFromDirectory reads a (flat) directory and generates an index.
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//
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// It indexes only charts that have been packaged (*.tgz).
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//
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// The index returned will be in an unsorted state
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func NewChartRepositoryIndexFromDirectory(dir, baseURL string) (*ChartRepositoryIndex, error) {
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archives, err := filepath.Glob(filepath.Join(dir, "*.tgz"))
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if err != nil {
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return nil, err
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}
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index := NewChartRepositoryIndex()
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for _, arch := range archives {
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fname := filepath.Base(arch)
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c, err := chartutil.Load(arch)
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if err != nil {
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// Assume this is not a chart.
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continue
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}
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hash, err := provenance.DigestFile(arch)
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if err != nil {
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return index, err
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}
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index.Add(c.Metadata, fname, baseURL, hash)
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}
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return index, 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) (*ChartRepositoryIndex, error) {
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i := &ChartRepositoryIndex{}
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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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if i.APIVersion == "" {
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// When we leave Beta, we should remove legacy support and just
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// return this error:
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//return i, ErrNoAPIVersion
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return loadUnversionedIndex(data)
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}
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return i, nil
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}
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// loadUnversionedIndex loads a pre-Alpha.5 index.yaml file.
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//
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// This format is deprecated. This function will be removed prior to v2.0.0.
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func loadUnversionedIndex(data []byte) (*ChartRepositoryIndex, error) {
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fmt.Fprintln(os.Stderr, "WARNING: Deprecated index file format. Try 'helm repo update'")
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i := map[string]unversionedEntry{}
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// This gets around an error in the YAML parser. Instead of parsing as YAML,
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// we convert to JSON, and then decode again.
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var err error
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data, err = yaml.YAMLToJSON(data)
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if err != nil {
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return nil, err
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}
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if err := json.Unmarshal(data, &i); err != nil {
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return nil, err
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}
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if len(i) == 0 {
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return nil, ErrNoAPIVersion
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}
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ni := NewChartRepositoryIndex()
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for n, item := range i {
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if item.Chartfile == nil || item.Chartfile.Name == "" {
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parts := strings.Split(n, "-")
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ver := ""
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if len(parts) > 1 {
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ver = strings.TrimSuffix(parts[1], ".tgz")
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}
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item.Chartfile = &chart.Metadata{Name: parts[0], Version: ver}
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}
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ni.Add(item.Chartfile, item.URL, "", item.Checksum)
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}
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return ni, nil
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}
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// Add adds a file to the index
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// This can leave the index in an unsorted state
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func (i ChartRepositoryIndex) Add(md *chart.Metadata, filename, baseURL, digest string) {
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func (i IndexFile) Add(md *chart.Metadata, filename, baseURL, digest string) {
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u := filename
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if baseURL != "" {
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var err error
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@ -225,7 +127,7 @@ func (i ChartRepositoryIndex) Add(md *chart.Metadata, filename, baseURL, digest
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}
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// Has returns true if the index has an entry for a chart with the given name and exact version.
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func (i ChartRepositoryIndex) Has(name, version string) bool {
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func (i IndexFile) Has(name, version string) bool {
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_, err := i.Get(name, version)
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return err == nil
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}
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@ -236,7 +138,7 @@ func (i ChartRepositoryIndex) Has(name, version string) bool {
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// the most recent release for every version is in the 0th slot in the
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// Entries.ChartVersions array. That way, tooling can predict the newest
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// version without needing to parse SemVers.
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func (i ChartRepositoryIndex) SortEntries() {
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func (i IndexFile) SortEntries() {
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for _, versions := range i.Entries {
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sort.Sort(sort.Reverse(versions))
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}
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@ -245,7 +147,7 @@ func (i ChartRepositoryIndex) SortEntries() {
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// Get returns the ChartVersion for the given name.
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//
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// If version is empty, this will return the chart with the highest version.
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func (i ChartRepositoryIndex) Get(name, version string) (*ChartVersion, error) {
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func (i IndexFile) Get(name, version string) (*ChartVersion, error) {
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vs, ok := i.Entries[name]
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if !ok {
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return nil, ErrNoChartName
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@ -268,7 +170,7 @@ func (i ChartRepositoryIndex) Get(name, version string) (*ChartVersion, error) {
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// WriteFile writes an index file to the given destination path.
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//
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// The mode on the file is set to 'mode'.
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func (i ChartRepositoryIndex) WriteFile(dest string, mode os.FileMode) error {
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func (i IndexFile) WriteFile(dest string, mode os.FileMode) error {
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b, err := yaml.Marshal(i)
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if err != nil {
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return err
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@ -284,7 +186,7 @@ func (i ChartRepositoryIndex) WriteFile(dest string, mode os.FileMode) error {
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// In all other cases, the existing record is preserved.
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//
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// This can leave the index in an unsorted state
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func (i *ChartRepositoryIndex) Merge(f *ChartRepositoryIndex) {
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func (i *IndexFile) Merge(f *IndexFile) {
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for _, cvs := range f.Entries {
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for _, cv := range cvs {
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if !i.Has(cv.Name, cv.Version) {
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@ -294,3 +196,103 @@ func (i *ChartRepositoryIndex) Merge(f *ChartRepositoryIndex) {
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}
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}
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}
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// Need both JSON and YAML annotations until we get rid of gopkg.in/yaml.v2
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// ChartVersion represents a chart entry in the IndexFile
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type ChartVersion struct {
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*chart.Metadata
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URLs []string `json:"urls"`
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Created time.Time `json:"created,omitempty"`
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Removed bool `json:"removed,omitempty"`
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Digest string `json:"digest,omitempty"`
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}
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// IndexDirectory reads a (flat) directory and generates an index.
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//
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// It indexes only charts that have been packaged (*.tgz).
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//
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// The index returned will be in an unsorted state
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func IndexDirectory(dir, baseURL string) (*IndexFile, error) {
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archives, err := filepath.Glob(filepath.Join(dir, "*.tgz"))
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if err != nil {
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return nil, err
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}
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index := NewIndexFile()
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for _, arch := range archives {
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fname := filepath.Base(arch)
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c, err := chartutil.Load(arch)
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if err != nil {
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// Assume this is not a chart.
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continue
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}
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hash, err := provenance.DigestFile(arch)
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if err != nil {
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return index, err
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}
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index.Add(c.Metadata, fname, baseURL, hash)
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}
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return index, 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) (*IndexFile, error) {
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i := &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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if i.APIVersion == "" {
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// When we leave Beta, we should remove legacy support and just
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// return this error:
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//return i, ErrNoAPIVersion
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return loadUnversionedIndex(data)
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}
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return i, nil
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}
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// unversionedEntry represents a deprecated pre-Alpha.5 format.
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//
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|
|
// This will be removed prior to v2.0.0
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type unversionedEntry struct {
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Checksum string `json:"checksum"`
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URL string `json:"url"`
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Chartfile *chart.Metadata `json:"chartfile"`
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}
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// loadUnversionedIndex loads a pre-Alpha.5 index.yaml file.
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//
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// This format is deprecated. This function will be removed prior to v2.0.0.
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func loadUnversionedIndex(data []byte) (*IndexFile, error) {
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fmt.Fprintln(os.Stderr, "WARNING: Deprecated index file format. Try 'helm repo update'")
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i := map[string]unversionedEntry{}
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// This gets around an error in the YAML parser. Instead of parsing as YAML,
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// we convert to JSON, and then decode again.
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var err error
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data, err = yaml.YAMLToJSON(data)
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if err != nil {
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return nil, err
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}
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if err := json.Unmarshal(data, &i); err != nil {
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return nil, err
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}
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if len(i) == 0 {
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return nil, ErrNoAPIVersion
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}
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|
|
ni := NewIndexFile()
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for n, item := range i {
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|
|
if item.Chartfile == nil || item.Chartfile.Name == "" {
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|
|
parts := strings.Split(n, "-")
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|
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ver := ""
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if len(parts) > 1 {
|
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|
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ver = strings.TrimSuffix(parts[1], ".tgz")
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}
|
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item.Chartfile = &chart.Metadata{Name: parts[0], Version: ver}
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}
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|
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ni.Add(item.Chartfile, item.URL, "", item.Checksum)
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}
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return ni, nil
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}
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Anton Galitsyn
8 years ago