cb6f002350
Add a generic Manifest interface to represent manifests in the registry and remove references to schema specific manifests. Add a ManifestBuilder to construct Manifest objects. Concrete manifest builders will exist for each manifest type and implementations will contain manifest specific data used to build a manifest. Remove Signatures() from Repository interface. Signatures are relevant only to schema1 manifests. Move access to the signature store inside the schema1 manifestStore. Add some API tests to verify signature roundtripping. schema1 ------- Change the way data is stored in schema1.Manifest to enable Payload() to be used to return complete Manifest JSON from the HTTP handler without knowledge of the schema1 protocol. tags ---- Move tag functionality to a seperate TagService and update ManifestService to use the new interfaces. Implement a driver based tagService to be backward compatible with the current tag service. Add a proxyTagService to enable the registry to get a digest for remote manifests from a tag. manifest store -------------- Remove revision store and move all signing functionality into the signed manifeststore. manifest registration --------------------- Add a mechanism to register manifest media types and to allow different manifest types to be Unmarshalled correctly. client ------ Add ManifestServiceOptions to client functions to allow tags to be passed into Put and Get for building correct registry URLs. Change functional arguments to be an interface type to allow passing data without mutating shared state. Signed-off-by: Richard Scothern <richard.scothern@gmail.com> Signed-off-by: Richard Scothern <richard.scothern@docker.com>
72 lines
2.5 KiB
Go
72 lines
2.5 KiB
Go
package distribution
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import (
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"github.com/docker/distribution/context"
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)
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// Scope defines the set of items that match a namespace.
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type Scope interface {
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// Contains returns true if the name belongs to the namespace.
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Contains(name string) bool
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}
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type fullScope struct{}
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func (f fullScope) Contains(string) bool {
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return true
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}
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// GlobalScope represents the full namespace scope which contains
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// all other scopes.
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var GlobalScope = Scope(fullScope{})
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// Namespace represents a collection of repositories, addressable by name.
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// Generally, a namespace is backed by a set of one or more services,
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// providing facilities such as registry access, trust, and indexing.
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type Namespace interface {
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// Scope describes the names that can be used with this Namespace. The
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// global namespace will have a scope that matches all names. The scope
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// effectively provides an identity for the namespace.
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Scope() Scope
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// Repository should return a reference to the named repository. The
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// registry may or may not have the repository but should always return a
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// reference.
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Repository(ctx context.Context, name string) (Repository, error)
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// Repositories fills 'repos' with a lexigraphically sorted catalog of repositories
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// up to the size of 'repos' and returns the value 'n' for the number of entries
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// which were filled. 'last' contains an offset in the catalog, and 'err' will be
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// set to io.EOF if there are no more entries to obtain.
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Repositories(ctx context.Context, repos []string, last string) (n int, err error)
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}
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// ManifestServiceOption is a function argument for Manifest Service methods
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type ManifestServiceOption interface {
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Apply(ManifestService) error
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}
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// Repository is a named collection of manifests and layers.
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type Repository interface {
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// Name returns the name of the repository.
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Name() string
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// Manifests returns a reference to this repository's manifest service.
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// with the supplied options applied.
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Manifests(ctx context.Context, options ...ManifestServiceOption) (ManifestService, error)
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// Blobs returns a reference to this repository's blob service.
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Blobs(ctx context.Context) BlobStore
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// TODO(stevvooe): The above BlobStore return can probably be relaxed to
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// be a BlobService for use with clients. This will allow such
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// implementations to avoid implementing ServeBlob.
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// Tags returns a reference to this repositories tag service
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Tags(ctx context.Context) TagService
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}
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// TODO(stevvooe): Must add close methods to all these. May want to change the
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// way instances are created to better reflect internal dependency
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// relationships.
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