refactor(proto): move protobuf generated API to the top-level api/pb package

api/pb/cluster.proto

@@ -0,0 +1,83 @@
+syntax = "proto3";
+
+package api;
+
+option go_package = "github.com/psviderski/uncloud/api/pb";
+
+import "google/protobuf/empty.proto";
+import "api/pb/common.proto";
+import "api/pb/machine.proto";
+
+service Cluster {
+  rpc AddMachine(AddMachineRequest) returns (AddMachineResponse);
+  rpc ListMachines(google.protobuf.Empty) returns (ListMachinesResponse);
+  rpc RemoveMachine(RemoveMachineRequest) returns (google.protobuf.Empty);
+
+  rpc ReserveDomain(ReserveDomainRequest) returns (Domain);
+  rpc GetDomain(google.protobuf.Empty) returns (Domain);
+  rpc ReleaseDomain(google.protobuf.Empty) returns (Domain);
+  rpc CreateDomainRecords(CreateDomainRecordsRequest) returns (CreateDomainRecordsResponse);
+}
+
+message AddMachineRequest {
+  string name = 1;
+  NetworkConfig network = 2;
+  IP public_ip = 3;
+}
+
+message AddMachineResponse {
+  MachineInfo machine = 1;
+}
+
+message MachineMember {
+  MachineInfo machine = 1;
+
+  enum MembershipState {
+    UNKNOWN = 0;
+    // The member is active.
+    UP = 1;
+    // The member is active, but at least one cluster member suspects its down. For all purposes,
+    // a SUSPECT member is treated as if it were UP until either it refutes the suspicion (becoming UP)
+    // or fails to do so (being declared DOWN).
+    SUSPECT = 2;
+    // The member is confirmed DOWN.
+    DOWN = 3;
+  }
+  MembershipState state = 2;
+}
+
+message ListMachinesResponse {
+  repeated MachineMember machines = 1;
+}
+
+message RemoveMachineRequest {
+  string id = 1;
+}
+
+message Domain {
+  string name = 1;
+}
+
+message ReserveDomainRequest {
+  string endpoint = 1;
+}
+
+message CreateDomainRecordsRequest {
+  repeated DNSRecord records = 1;
+}
+
+message CreateDomainRecordsResponse {
+  repeated DNSRecord records = 1;
+}
+
+message DNSRecord {
+  string name = 1;
+
+  enum RecordType {
+    UNSPECIFIED = 0;
+    A = 1;
+    AAAA = 2;
+  }
+  RecordType type = 2;
+  repeated string values = 3;
+}