Documentation
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Index ¶
Constants ¶
This section is empty.
Variables ¶
This section is empty.
Functions ¶
func NewCharmDownloader ¶
func NewCharmDownloader(cfg CharmDownloaderConfig) (*charmdownloader.Downloader, error)
NewCharmDownloader wires the provided configuration options into a new charmdownloader.Downloader instance.
Types ¶
type CharmDownloaderConfig ¶
type CharmDownloaderConfig struct {
// The logger to use.
Logger loggo.Logger
// An HTTP client that is injected when making Charmhub API calls.
CharmhubHTTPClient charmhub.HTTPClient
// A factory for accessing model-scoped storage for charm blobs.
StorageFactory func(modelUUID string) Storage
StateBackend StateBackend
ModelBackend ModelBackend
}
CharmDownloaderConfig encapsulates the information required for creating a new CharmDownloader instance.
type CharmRepoFactory ¶
type CharmRepoFactory struct {
// contains filtered or unexported fields
}
CharmRepoFactory instantitates charm repositories. It memoizes created repositories allowing them to be reused by subsequent GetCharmRepository calls.
func NewCharmRepoFactory ¶
func NewCharmRepoFactory(cfg CharmRepoFactoryConfig) *CharmRepoFactory
NewCharmRepoFactory returns a new factory instance with the provided configuration.
func (*CharmRepoFactory) GetCharmRepository ¶
func (f *CharmRepoFactory) GetCharmRepository(src corecharm.Source) (corecharm.Repository, error)
GetCharmRepository returns a suitable corecharm.Repository instance for the requested source. Lookups are memoized for future requests.
type CharmRepoFactoryConfig ¶
type CharmRepoFactoryConfig struct {
// The logger to use.
Logger loggo.Logger
// An HTTP client that is injected when making Charmhub API calls.
CharmhubHTTPClient charmhub.HTTPClient
StateBackend StateBackend
ModelBackend ModelBackend
}
CharmRepoFactoryConfig encapsulates the information required for creating a new CharmRepoFactory instance.
type CharmStorage ¶
type CharmStorage struct {
// contains filtered or unexported fields
}
CharmStorage provides an abstraction for storing charm blobs.
func NewCharmStorage ¶
func NewCharmStorage(cfg CharmStorageConfig) *CharmStorage
NewCharmStorage creates a new CharmStorage instance with the specified config.
func (*CharmStorage) PrepareToStoreCharm ¶
func (s *CharmStorage) PrepareToStoreCharm(charmURL string) error
PrepareToStoreCharm ensures that the store is ready to process the specified charm URL. If the blob for the charm is already stored, the method returns an error to indicate this.
func (*CharmStorage) Store ¶
func (s *CharmStorage) Store(charmURL string, downloadedCharm charmdownloader.DownloadedCharm) error
CharmStorage attempts to store the contents of a downloaded charm.
type CharmStorageConfig ¶
type CharmStorageConfig struct {
// The logger to use.
Logger loggo.Logger
// A factory for accessing model-scoped storage for charm blobs.
StorageFactory func(modelUUID string) Storage
StateBackend StateBackend
}
CharmStorageConfig encapsulates the information required for creating a new CharmStorage instance.
type ModelBackend ¶
ModelBackend describes an API for accessing model-specific details.
type StateBackend ¶
type StateBackend interface {
UpdateUploadedCharm(info state.CharmInfo) (UploadedCharm, error)
PrepareCharmUpload(curl string) (UploadedCharm, error)
ModelUUID() string
}
StateBackend describes an API for accessing/mutating information in state.
type Storage ¶
type Storage interface {
Put(path string, r io.Reader, length int64) error
Remove(path string) error
}
Storage describes an API for storing and deleting blobs.
type UploadedCharm ¶
type UploadedCharm interface {
IsUploaded() bool
}
UploadedCharm represents a charm whose upload status can be queried.
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