78 lines
2.2 KiB
Protocol Buffer
78 lines
2.2 KiB
Protocol Buffer
syntax = "proto3";
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package containerd.v1;
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import "gogoproto/gogo.proto";
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import "google/protobuf/empty.proto";
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import "github.com/containerd/containerd/api/types/mount/mount.proto";
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import "github.com/containerd/containerd/api/types/descriptor/descriptor.proto";
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// Images is a service that allows one to register images with containerd.
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//
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// In containerd, an image is merely the mapping of a name to a content root,
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// described by a descriptor. The behavior and state of image is purely
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// dictated by the type of the descriptor.
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//
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// From the perspective of this service, these references are mostly shallow,
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// in that the existence of the required content won't be validated until
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// required by consuming services.
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//
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// As such, this can really be considered a "metadata service".
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service Images {
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// Get returns an image by name.
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rpc Get(GetRequest) returns (GetResponse);
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// Put assigns the name to a given target image based on the provided
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// image.
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rpc Put(PutRequest) returns (google.protobuf.Empty);
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// List returns a list of all images known to containerd.
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rpc List(ListRequest) returns (ListResponse);
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// Delete deletes the image by name.
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rpc Delete(DeleteRequest) returns (google.protobuf.Empty);
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}
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message Image {
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string name = 1;
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types.Descriptor target = 2 [(gogoproto.nullable) = false];
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}
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message GetRequest {
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string name = 1;
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// TODO(stevvooe): Consider that we may want to have multiple images under
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// the same name or multiple names for the same image. This mapping could
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// be truly many to many but we'll need a way to identify an entry.
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//
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// For now, we consider it unique but an intermediary index could be
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// created to allow for a dispatch of images.
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}
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message GetResponse {
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Image image = 1;
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}
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message PutRequest {
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Image image = 1 [(gogoproto.nullable) = false];
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}
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message ListRequest {
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// TODO(stevvooe): empty for now, need to ad filtration
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// Some common use cases we might consider:
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//
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// 1. Select by multiple names.
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// 2. Select by platform.
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// 3. Select by annotations.
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}
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message ListResponse {
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repeated Image images = 1 [(gogoproto.nullable) = false];
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// TODO(stevvooe): Add pagination.
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}
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message DeleteRequest {
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string name = 1;
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}
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