syntax = "proto3";

package machine;

option go_package = "github.com/talos-systems/talos/api/machine";
option java_multiple_files = true;
option java_outer_classname = "MachineApi";
option java_package = "com.machine.api";

import "google/protobuf/any.proto";
import "google/protobuf/empty.proto";
import "google/protobuf/timestamp.proto";
import "common/common.proto";

// The machine service definition.
service MachineService {
  rpc Copy(CopyRequest) returns (stream common.Data);
  rpc Events(EventsRequest) returns (stream Event);
  rpc Kubeconfig(google.protobuf.Empty) returns (stream common.Data);
  rpc List(ListRequest) returns (stream FileInfo);
  rpc Logs(LogsRequest) returns (stream common.Data);
  rpc Mounts(google.protobuf.Empty) returns (MountsResponse);
  rpc Read(ReadRequest) returns (stream common.Data);
  rpc Reboot(google.protobuf.Empty) returns (RebootResponse);
  rpc Bootstrap(BootstrapRequest) returns (BootstrapResponse);
  rpc Reset(ResetRequest) returns (ResetResponse);
  rpc Recover(RecoverRequest) returns (RecoverResponse);
  rpc ServiceList(google.protobuf.Empty) returns (ServiceListResponse);
  rpc ServiceRestart(ServiceRestartRequest) returns (ServiceRestartResponse);
  rpc ServiceStart(ServiceStartRequest) returns (ServiceStartResponse);
  rpc ServiceStop(ServiceStopRequest) returns (ServiceStopResponse);
  rpc Shutdown(google.protobuf.Empty) returns (ShutdownResponse);
  rpc Upgrade(UpgradeRequest) returns (UpgradeResponse);
  rpc Version(google.protobuf.Empty) returns (VersionResponse);
}

// rpc reboot
// The reboot message containing the reboot status.
message Reboot { common.Metadata metadata = 1; }
message RebootResponse { repeated Reboot messages = 1; }

// rpc bootstrap
message BootstrapRequest {}

// The bootstrap message containing the bootstrap status.
message Bootstrap { common.Metadata metadata = 1; }
message BootstrapResponse { repeated Bootstrap messages = 1; }

// rpc events
message SequenceEvent {
  string sequence = 1;
  enum Action {
    NOOP = 0;
    START = 1;
    STOP = 2;
  }
  Action action = 2;
  common.Error error = 3;
}

message PhaseEvent {
  string phase = 1;
  enum Action {
    START = 0;
    STOP = 1;
  }
  Action action = 2;
}

message TaskEvent {
  string task = 1;
  enum Action {
    START = 0;
    STOP = 1;
  }
  Action action = 2;
}

message EventsRequest {}

message Event {
  common.Metadata metadata = 1;
  google.protobuf.Any data = 2;
}

// rpc reset
message ResetRequest {
  bool graceful = 1;
  bool reboot = 2;
}

// The reset message containing the restart status.
message Reset { common.Metadata metadata = 1; }
message ResetResponse { repeated Reset messages = 1; }

// rpc recover

message RecoverRequest {
  enum Source {
    ETCD = 0;
    APISERVER = 1;
  }

  Source source = 1;
}

// The recover message containing the recover status.
message Recover { common.Metadata metadata = 1; }
message RecoverResponse { repeated Recover messages = 1; }

// rpc shutdown
// The messages message containing the shutdown status.
message Shutdown { common.Metadata metadata = 1; }
message ShutdownResponse { repeated Shutdown messages = 1; }

// rpc upgrade
message UpgradeRequest {
  string image = 1;
  bool preserve = 2;
}

message Upgrade {
  common.Metadata metadata = 1;
  string ack = 2;
}
message UpgradeResponse { repeated Upgrade messages = 1; }

// rpc servicelist
message ServiceList {
  common.Metadata metadata = 1;
  repeated ServiceInfo services = 2;
}
message ServiceListResponse { repeated ServiceList messages = 1; }

message ServiceInfo {
  string id = 1;
  string state = 2;
  ServiceEvents events = 3;
  ServiceHealth health = 4;
}

message ServiceEvents { repeated ServiceEvent events = 1; }

message ServiceEvent {
  string msg = 1;
  string state = 2;
  google.protobuf.Timestamp ts = 3;
}

message ServiceHealth {
  bool unknown = 1;
  bool healthy = 2;
  string last_message = 3;
  google.protobuf.Timestamp last_change = 4;
}

// rpc servicestart
message ServiceStartRequest { string id = 1; }

message ServiceStart {
  common.Metadata metadata = 1;
  string resp = 2;
}
message ServiceStartResponse { repeated ServiceStart messages = 1; }

message ServiceStopRequest { string id = 1; }

message ServiceStop {
  common.Metadata metadata = 1;
  string resp = 2;
}
message ServiceStopResponse { repeated ServiceStop messages = 1; }

message ServiceRestartRequest { string id = 1; }

message ServiceRestart {
  common.Metadata metadata = 1;
  string resp = 2;
}
message ServiceRestartResponse { repeated ServiceRestart messages = 1; }

message StartRequest {
  option deprecated = true;
  string id = 1;
}

message StartResponse {
  option deprecated = true;
  string resp = 1;
}

message StopRequest {
  option deprecated = true;
  string id = 1;
}

message StopResponse {
  option deprecated = true;
  string resp = 1;
}

// CopyRequest describes a request to copy data out of Talos node
//
// Copy produces .tar.gz archive which is streamed back to the caller
message CopyRequest {
  // Root path to start copying data out, it might be either a file or directory
  string root_path = 1;
}

// ListRequest describes a request to list the contents of a directory
message ListRequest {
  // Root indicates the root directory for the list.  If not indicated, '/' is
  // presumed.
  string root = 1;
  // Recurse indicates that subdirectories should be recursed.
  bool recurse = 2;
  // RecursionDepth indicates how many levels of subdirectories should be
  // recursed.  The default (0) indicates that no limit should be enforced.
  int32 recursion_depth = 3;
}

// FileInfo describes a file or directory's information
message FileInfo {
  common.Metadata metadata = 1;
  // Name is the name (including prefixed path) of the file or directory
  string name = 2;
  // Size indicates the number of bytes contained within the file
  int64 size = 3;
  // Mode is the bitmap of UNIX mode/permission flags of the file
  uint32 mode = 4;
  // Modified indicates the UNIX timestamp at which the file was last modified
  int64 modified = 5; // TODO: unix timestamp or include proto's Date type
  // IsDir indicates that the file is a directory
  bool is_dir = 6;
  // Error describes any error encountered while trying to read the file
  // information.
  string error = 7;
  // Link is filled with symlink target
  string link = 8;
  // RelativeName is the name of the file or directory relative to the RootPath
  string relative_name = 9;
}

// The messages message containing the requested df stats.
message Mounts {
  common.Metadata metadata = 1;
  repeated MountStat stats = 2;
}
message MountsResponse { repeated Mounts messages = 1; }

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

message Version {
  common.Metadata metadata = 1;
  VersionInfo version = 2;
  PlatformInfo platform = 3;
}

message VersionResponse { repeated Version messages = 1; }

message VersionInfo {
  string tag = 1;
  string sha = 2;
  string built = 3;
  string go_version = 4;
  string os = 5;
  string arch = 6;
}

message PlatformInfo {
  string name = 1;
  string mode = 2;
}

// rpc logs
// The request message containing the process name.
message LogsRequest {
  string namespace = 1;
  string id = 2;
  // driver might be default "containerd" or "cri"
  common.ContainerDriver driver = 3;
  bool follow = 4;
  int32 tail_lines = 5;
}

message ReadRequest { string path = 1; }