syntax = "proto3";

package proto;

import "google/protobuf/empty.proto";

// The OSD service definition.
//
// OSD Service also implements all the API of Init Service
service OSD {
  rpc DF(google.protobuf.Empty) returns (DFReply) {}
  rpc Dmesg(google.protobuf.Empty) returns (Data) {}
  rpc Kubeconfig(google.protobuf.Empty) returns (Data) {}
  rpc Logs(LogsRequest) returns (stream Data) {}
  rpc Processes(ProcessesRequest) returns (ProcessesReply) {}
  rpc Reset(google.protobuf.Empty) returns (ResetReply) {}
  rpc Restart(RestartRequest) returns (RestartReply) {}
  rpc Routes(google.protobuf.Empty) returns (RoutesReply) {}
  rpc Stats(StatsRequest) returns (StatsReply) {}
  rpc Top(google.protobuf.Empty) returns (TopReply) {}
  rpc Version(google.protobuf.Empty) returns (Data) {}
}

// The request message containing the containerd namespace.
message ProcessesRequest { string namespace = 1; }

// The response message containing the requested processes.
message ProcessesReply { repeated Process processes = 1; }

// The response message containing the requested processes.
message Process {
  string namespace = 1;
  string id = 2;
  string image = 3;
  uint32 pid = 4;
  string status = 5;
}

// The request message containing the containerd namespace.
message StatsRequest { string namespace = 1; }

// The response message containing the requested stats.
message StatsReply { repeated Stat stats = 1; }

// The response message containing the requested stat.
message Stat {
  string namespace = 1;
  string id = 2;
  uint64 memory_usage = 4;
  uint64 cpu_usage = 5;
}

// The request message containing the process to restart.
message RestartRequest {
  string namespace = 1;
  string id = 2;
  int32 timeout = 3;
}

// The response message containing the restart status.
message RestartReply {}

// The response message containing the restart status.
message ResetReply {}

// The request message containing the process name.
message LogsRequest {
  string namespace = 1;
  string id = 2;
}

// The response message containing the requested logs.
message Data { bytes bytes = 1; }

// The response message containing the routes.
message RoutesReply { repeated Route routes = 1; }

// The response message containing a route.
message Route {
  string interface = 1;
  string destination = 2;
  string gateway = 3;
}

message TopRequest {}

message TopReply { ProcessList process_list = 1; }

message ProcessList { bytes bytes = 1; }

// The response message containing the requested df stats.
message DFReply { repeated DFStat stats = 1; }

// The response message containing the requested processes.
message DFStat {
  string filesystem = 1;
  uint64 size = 2;
  uint64 available = 3;
  string mounted_on = 4;
}