type Identifier interface {// Scheme returns the scheme of the identifier so that it can be routed back// to an appropriate Source.Scheme()string// Capture records the provenance of the identifier.Capture(dest *provenance.Capture, pinstring)error}

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

funcNewManager¶

func NewManager() (*Manager,error)

func (*Manager)Identifier¶added inv0.13.0

func (sm *Manager) Identifier(op *pb.Op_Source, platform *pb.Platform) (Identifier,error)

func (*Manager)Register¶

func (sm *Manager) Register(srcSource)

func (*Manager)Resolve¶

func (sm *Manager) Resolve(ctxcontext.Context, idIdentifier, sessM *session.Manager, vtxsolver.Vertex) (SourceInstance,error)

type Source interface {// Schemes returns a list of SourceOp identifier schemes that this source// should match.Schemes() []string// Identifier constructs an Identifier from the given scheme, ref, and attrs,// all of which come from a SourceOp.Identifier(scheme, refstring, attrs map[string]string, platform *pb.Platform) (Identifier,error)// Resolve constructs an instance of the source from an Identifier.Resolve(ctxcontext.Context, idIdentifier, sm *session.Manager, vtxsolver.Vertex) (SourceInstance,error)}

type SourceInstance interface {// CacheKey returns the cache key for the instance.CacheKey(ctxcontext.Context, jobCtxsolver.JobContext, indexint) (key, pinstring, optssolver.CacheOpts, donebool, errerror)// Snapshot creates a cache ref for the instance. May return a nil ref if source points to empty content, e.g. image without any layers.Snapshot(ctxcontext.Context, jobCtxsolver.JobContext) (cache.ImmutableRef,error)}