fix swagger schema (#5056)

Author: adameat

ydb/core/viewer/json_nodelist.h

@@ -101,10 +101,6 @@ struct TJsonRequestSchema<TJsonNodeList> {
                         type: string
                     Port:
                         type: integer
-                required:
-                    - Id
-                    - Address
-                    - Port
             )___");
     }
 };

ydb/core/viewer/json_pdisk_restart.h

@@ -184,8 +184,6 @@ YAML::Node TJsonRequestSwagger<TJsonPDiskRestart>::GetSwagger() {
         post:
           tags:
           - pdisk
-          produces:
-          - application/json
           summary: Restart PDisk
           description: Restart PDisk on the specified node
           parameters:
@@ -211,18 +209,20 @@ YAML::Node TJsonRequestSwagger<TJsonPDiskRestart>::GetSwagger() {
           responses:
             200:
               description: OK
-              schema:
-                type: object
-                properties:
-                  result:
-                    type: boolean
-                    description: was operation successful or not
-                  error:
-                    type: string
-                    description: details about failed operation
-                  forceRetryPossible:
-                    type: boolean
-                    description: if true, operation can be retried with force flag
+              content:
+                application/json:
+                  schema:
+                    type: object
+                    properties:
+                      result:
+                        type: boolean
+                        description: was operation successful or not
+                      error:
+                        type: string
+                        description: details about failed operation
+                      forceRetryPossible:
+                        type: boolean
+                        description: if true, operation can be retried with force flag
             400:
               description: Bad Request
             403:

ydb/core/viewer/viewer.cpp

@@ -253,7 +253,6 @@ class TViewer : public TActorBootstrapped<TViewer>, public IViewer {
             if (swagger.IsNull()) {
                 auto get = path["get"];
                 get["tags"].push_back(tag);
-                get["produces"].push_back("application/json");
                 if (auto summary = handler->GetRequestSummary()) {
                     get["summary"] = summary;
                 }
@@ -263,7 +262,7 @@ class TViewer : public TActorBootstrapped<TViewer>, public IViewer {
                 get["parameters"] = handler->GetRequestParameters();
                 auto responses = get["responses"];
                 auto response200 = responses["200"];
-                response200["schema"] = handler->GetResponseJsonSchema();
+                response200["content"]["application/json"]["schema"] = handler->GetResponseJsonSchema();
             } else {
                 path = swagger;
             }

ydb/core/viewer/yaml/yaml.cpp

@@ -31,7 +31,7 @@ YAML::Node TProtoToYaml::ProtoToYamlSchema(const ::google::protobuf::Descriptor*
             auto property = properties[fieldDescriptor->name()];
             if (fieldDescriptor->is_repeated()) {
                 property["type"] = "array";
-                property = property["items"];
+                property.reset(property["items"]);
             }
             if (fieldDescriptor->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) {
                 if (fieldDescriptor->message_type()->full_name() == google::protobuf::Timestamp::descriptor()->full_name()) {