// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

syntax = "proto2";

package docker.spec.v2;

import "mesos/docker/v1.proto";

/**
 * Protobuf for the Docker v2 image manifest JSON schema:
 * https://github.com/docker/distribution/blob/master/docs/spec/manifest-v2-1.md
 */
message ImageManifest {
  required string name = 1;
  required string tag = 2;
  required string architecture = 3;

  message FsLayer {
    required string blobSum = 1;
  }

  repeated FsLayer fsLayers = 4;

  message History {
    required string v1Compatibility = 1;

    // NOTE: This field does not exist in the Docker v2 image manifest
    // specification. It is the parsed version of 'v1Compatibility'
    // above (which is a raw JSON).
    optional v1.ImageManifest v1 = 2;
  }

  repeated History history = 5;
  required uint32 schemaVersion = 6;

  message Signature {

    // The JSON Web Signature. For more detail please see:
    // http://self-issued.info/docs/draft-ietf-jose-json-web-signature.html
    message Header {

      // The JSON Web Key. For more detail please see:
      // https://tools.ietf.org/html/rfc7517 for more
      message Jwk {
        optional string crv = 1;    // The cryptographic curve.
        optional string kid = 2;    // The key ID. OPTIONAL.
        required string kty = 3;    // The key type. MUST be present in a JWK.
        optional string x = 4;      // The base64url-encoded x coordinate.
        optional string y = 5;      // The base64url-encoded y coordinate.
      }

      optional Jwk jwk = 1;         // The JSON Web Key. OPTIONAL.
      required string alg = 2;      // The algorithm. MUST be present.
    }

    required Header header = 1;
    required string signature = 2;
    required string protected = 3;
  }

  repeated Signature signatures = 7;
}