syntax = "proto3";

option go_package = "github.com/woodpecker-ci/woodpecker/pipeline/rpc/proto";
package proto;

service Woodpecker {
  rpc Next          (NextRequest)          returns (NextReply) {}
  rpc Init          (InitRequest)          returns (Empty) {}
  rpc Wait          (WaitRequest)          returns (Empty) {}
  rpc Done          (DoneRequest)          returns (Empty) {}
  rpc Extend        (ExtendRequest)        returns (Empty) {}
  rpc Update        (UpdateRequest)        returns (Empty) {}
  rpc Upload        (UploadRequest)        returns (Empty) {}
  rpc Log           (LogRequest)           returns (Empty) {}
  rpc RegisterAgent (RegisterAgentRequest) returns (RegisterAgentResponse) {}
  rpc ReportHealth  (ReportHealthRequest)  returns (Empty) {}
}

message File {
  string name = 1;
  string step = 2;
  string mime = 3;
  int64  time = 4;
  int32  size = 5;
  bytes  data = 6;
  map<string, string> meta = 7;
}

message State {
  string name = 1;
  bool   exited = 2;
  int32  exit_code = 3;
  int64  started = 4;
  int64  finished = 5;
  string error = 6;
}

message Line {
  string step = 1;
  int64  time = 2;
  int32  pos = 3;
  string out = 4;
}

message Filter {
  map<string, string> labels = 1;
}

message Pipeline {
  string id = 1;
  int64 timeout = 2;
  bytes payload = 3;
}

message NextRequest {
  Filter filter = 1;
}

message NextReply {
  Pipeline pipeline = 1;
}

message InitRequest {
  string id = 1;
  State  state = 2;
}

message WaitRequest {
  string id = 1;
}

message DoneRequest {
  string id = 1;
  State  state = 2;
}

message ExtendRequest {
  string id = 1;
}

message UploadRequest {
  string id = 1;
  File   file = 2;
}

message UpdateRequest {
  string id = 1;
  State  state = 2;
}

message LogRequest {
  string id = 1;
  Line   line = 2;
}

message Empty {
}

message ReportHealthRequest {
  string status = 1;
}

message RegisterAgentRequest {
  string platform = 1;
  int32  capacity = 2;
  string backend  = 3;
  string version  = 4;
}

message RegisterAgentResponse {
  int64 agent_id = 1;
}

// Woodpecker auth service is a simple service to authenticate agents and aquire a token

service WoodpeckerAuth {
  rpc Auth          (AuthRequest)          returns (AuthReply) {}
}

message AuthRequest {
  string agent_token = 1;
  int64  agent_id    = 2;
}

message AuthReply {
  string status        = 1;
  int64  agent_id      = 2;
  string access_token  = 3;
}