syntax = "proto3";

package cluster;

option go_package = "github.com/psviderski/uncloud/internal/machine/cluster/pb";

service Cluster {
  rpc AddMachine(AddMachineRequest) returns (AddMachineResponse);
  rpc ListMachineEndpoints(ListMachineEndpointsRequest) returns (ListMachineEndpointsResponse);
}

message Machine {
  string id = 1;
  string name = 2;
  NetworkConfig network = 3;
}

message NetworkConfig {
  IPPrefix subnet = 1;
  IP management_ip = 2;
  repeated IPPort endpoints = 3;
  bytes publicKey = 4;
}

message MachineEndpoints {
  string id = 1;
  repeated IPPort endpoints = 2;
}

message ListMachineEndpointsRequest {
  string id = 1;
}

message ListMachineEndpointsResponse {
  MachineEndpoints endpoints = 1;
}

message User {
  NetworkConfig network = 1;
}

message State {
  IPPrefix Network = 1;
  // The machine configuration in the state is the source of truth set by the administrator.
  // The machine itself can't update it.
  map<string, Machine> machines = 2;
  map<string, MachineEndpoints> endpoints = 3;
  repeated User users = 4;
}

message AddMachineRequest {
  string name = 1;
  NetworkConfig network = 2;
}

message AddMachineResponse {
  Machine machine = 1;
}

message IP {
  bytes ip = 1;
}

message IPPort {
  IP ip = 1;
  uint32 port = 2;
}

message IPPrefix {
  IP ip = 1;
  uint32 bits = 2;
}