syntax = "proto3";

package moby.buildkit.v1;

import "github.com/gogo/protobuf/gogoproto/gogo.proto";
import "google/protobuf/timestamp.proto";
import "github.com/moby/buildkit/solver/pb/ops.proto";

option (gogoproto.sizer_all) = true;
option (gogoproto.marshaler_all) = true;
option (gogoproto.unmarshaler_all) = true;

service Control {
	rpc DiskUsage(DiskUsageRequest) returns (DiskUsageResponse);
	rpc Prune(PruneRequest) returns (stream UsageRecord);
	rpc Solve(SolveRequest) returns (SolveResponse);
	rpc Status(StatusRequest) returns (stream StatusResponse);
	rpc Session(stream BytesMessage) returns (stream BytesMessage);
	rpc ListWorkers(ListWorkersRequest) returns (ListWorkersResponse);
}

message PruneRequest {
	// TODO: filter
}

message DiskUsageRequest {
	string filter = 1; // FIXME: this should be containerd-compatible repeated string?
}

message DiskUsageResponse {
	repeated UsageRecord record = 1;
}

message UsageRecord {
	string ID = 1;
	bool Mutable = 2;
	bool InUse = 3;
	int64 Size = 4;
	string Parent = 5;
	google.protobuf.Timestamp CreatedAt = 6 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
	google.protobuf.Timestamp LastUsedAt = 7 [(gogoproto.stdtime) = true];
	int64 UsageCount = 8;
	string Description = 9;
}

message SolveRequest {
	string Ref = 1;
	pb.Definition Definition = 2;
	string Exporter = 3;
	map<string, string> ExporterAttrs = 4;
	string Session = 5;
	string Frontend = 6;
	map<string, string> FrontendAttrs = 7;
	CacheOptions Cache = 8 [(gogoproto.nullable) = false];
}

message CacheOptions {
	string ExportRef = 1;
	string ImportRef = 2;
}

message SolveResponse {
	repeated Vertex vtx = 1;
}

message StatusRequest {
	string Ref = 1;
}

message StatusResponse {
	repeated Vertex vertexes = 1;
	repeated VertexStatus statuses = 2;
	repeated VertexLog logs = 3;
}

message Vertex {
	string digest = 1 [(gogoproto.customtype) = "github.com/opencontainers/go-digest.Digest", (gogoproto.nullable) = false];
	repeated string inputs = 2 [(gogoproto.customtype) = "github.com/opencontainers/go-digest.Digest", (gogoproto.nullable) = false];
	string name = 3;
	bool cached = 4;
	google.protobuf.Timestamp started = 5 [(gogoproto.stdtime) = true ];
	google.protobuf.Timestamp completed = 6 [(gogoproto.stdtime) = true ];
	string error = 7; // typed errors?
}

message VertexStatus {
	string ID = 1;
	string vertex = 2 [(gogoproto.customtype) = "github.com/opencontainers/go-digest.Digest", (gogoproto.nullable) = false];
	string name = 3;
	int64 current = 4;
	int64 total = 5;
	// TODO: add started, completed
	google.protobuf.Timestamp timestamp = 6 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
	google.protobuf.Timestamp started = 7 [(gogoproto.stdtime) = true ];
	google.protobuf.Timestamp completed = 8 [(gogoproto.stdtime) = true ];
}

message VertexLog {
	string vertex = 1 [(gogoproto.customtype) = "github.com/opencontainers/go-digest.Digest", (gogoproto.nullable) = false];
	google.protobuf.Timestamp timestamp = 2 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
	int64 stream = 3;
	bytes msg = 4;
}

message BytesMessage {
	bytes data = 1;
}

message ListWorkersRequest {
	repeated string filter = 1; // containerd style
}

message ListWorkersResponse {
	repeated WorkerRecord record = 1;
}

message WorkerRecord {
	string ID = 1;
	map<string, string> Labels = 2;
}