cache

type Cache ¶

type Cache struct {
	// contains filtered or unexported fields
}

Cache allows us to keep state for repositories, rather than querying them every time.

Cache Structure: <cacheDir>/git/ * Caches bare git repositories in directories named based on the repository address. <cacheDir>/oci/ * Caches oci images with further hierarchy underneath * We Cache image layers in <cacheDir>/oci/layers/ (this might be obsolete with the flattened Cache) * We Cache flattened tar files in <cacheDir>/oci/ (so we don't need to pull to read resources) * We poll the repositories (every minute) and Cache the discovered images in memory.

func NewCache(cacheDir string, opts CacheOptions) *Cache

func (c *Cache) CloseRepository(repositorySpec *configapi.Repository) error

func (c *Cache) ObjectCache() ObjectCache

func (c *Cache) OpenRepository(ctx context.Context, repositorySpec *configapi.Repository) (*cachedRepository, error)

type CacheOptions ¶

type CacheOptions struct {
	CredentialResolver repository.CredentialResolver
	UserInfoProvider   repository.UserInfoProvider
}

type ObjectCache ¶ added in v0.0.10

type ObjectCache interface {
	WatchPackageRevisions(ctx context.Context, filter repository.ListPackageRevisionFilter, callback ObjectWatcher) error
}

ObjectCache caches objects across repositories, and allows for watching.

type ObjectWatcher ¶ added in v0.0.10

type ObjectWatcher interface {
	OnPackageRevisionChange(eventType watch.EventType, obj repository.PackageRevision) bool
}

ObjectWatcher is the callback interface for watchers.