specs-go: Add go structs.

Signed-off-by: Atlas Kerr <[email protected]>

specs-go/v1/error.go

@@ -0,0 +1,37 @@
+// Copyright 2019 The Linux Foundation
+//
+// Licensed 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.
+
+package v1
+
+// ErrorResponse is returned by a registry on an invalid request.
+type ErrorResponse struct {
+	Errors []ErrorInfo `json:"errors"`
+}
+
+// Error implements the Error interface.
+func (er *ErrorResponse) Error() string {
+	return "distribution: registry returned error"
+}
+
+// Detail returns an ErrorInfo
+func (er *ErrorResponse) Detail() []ErrorInfo {
+	return er.Errors
+}
+
+// ErrorInfo describes a server error returned from a registry.
+type ErrorInfo struct {
+	Code    string `json:"code"`
+	Message string `json:"message"`
+	Detail  string `json:"detail"`
+}

specs-go/v1/repository.go

@@ -0,0 +1,20 @@
+// Copyright 2019 The Linux Foundation
+//
+// Licensed 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.
+
+package v1
+
+// RepositoryList returns a catalog of repositories maintained on the registry.
+type RepositoryList struct {
+	Repositories []string `json:"repositories"`
+}

specs-go/v1/tags.go

@@ -0,0 +1,21 @@
+// Copyright 2019 The Linux Foundation
+//
+// Licensed 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.
+
+package v1
+
+// TagList is a list of tags for a given repository.
+type TagList struct {
+	Name string   `json:"name"`
+	Tags []string `json:"tags"`
+}