syntax = "proto3";

package containerd.v1;

import "google/protobuf/empty.proto";
import "gogoproto/gogo.proto";

service ExecutionService {
	rpc Create(CreateContainerRequest) returns (CreateContainerResponse);
	rpc Start(StartContainerRequest) returns (google.protobuf.Empty);
	rpc Update(UpdateContainerRequest) returns (google.protobuf.Empty);
	rpc Pause(PauseContainerRequest) returns (google.protobuf.Empty);
	rpc Resume(ResumeContainerRequest) returns (google.protobuf.Empty);
	rpc Delete(DeleteContainerRequest) returns (google.protobuf.Empty);
	rpc Get(GetContainerRequest) returns (GetContainerResponse);
	rpc List(ListContainersRequest) returns (ListContainersResponse);

	rpc StartProcess(StartProcessRequest) returns (StartProcessResponse);
	rpc GetProcess(GetProcessRequest) returns (GetProcessResponse);
	rpc SignalProcess(SignalProcessRequest) returns (google.protobuf.Empty);
	rpc DeleteProcess(DeleteProcessRequest) returns (google.protobuf.Empty);
	rpc ListProcesses(ListProcessesRequest) returns (ListProcessesResponse);
}

message StartContainerRequest {
	string id = 1 [(gogoproto.customname) = "ID"];
}


message CreateContainerRequest {
	string id = 1 [(gogoproto.customname) = "ID"];
	string bundle_path = 2;
	bool console = 3;
	string stdin = 4;
	string stdout = 5;
	string stderr = 6;
}

message CreateContainerResponse {
	Container container = 1;
	Process initProcess = 2;
}

message DeleteContainerRequest {
	string id = 1 [(gogoproto.customname) = "ID"];
	uint32 pid = 2;
}

message ListContainersRequest {
	repeated string owner = 1;
}

message ListContainersResponse {
	repeated Container containers = 1;
}

message StartProcessRequest {
	string container_id = 1 [(gogoproto.customname) = "ContainerID"];
	Process process = 2;
	bool console = 3;
	string stdin = 4;
	string stdout = 5;
	string stderr = 6;
}

message StartProcessResponse {
	Process process = 1;
}

message Container {
	string id = 1 [(gogoproto.customname) = "ID"];
	string bundle = 2;
	Status status = 4;
}

message Process {
	string id = 1 [(gogoproto.customname) = "ID"];
	uint32 pid = 2;
	repeated string args = 3;
	repeated string env = 4;
	User user = 5;
	string cwd = 6;
	bool terminal = 7;
	uint32 exit_status = 8;
}

enum Status {
	CREATED = 0;
	RUNNING = 1;
	STOPPED = 2;
	PAUSED = 3;
}

message User {
	uint32 uid = 1;
	uint32 gid = 2;
	repeated uint32 additionalGids = 3;
}

message GetContainerRequest {
	string id = 1 [(gogoproto.customname) = "ID"];
}

message GetContainerResponse {
	Container container = 1;
}

message UpdateContainerRequest {
	string container_id = 1 [(gogoproto.customname) = "ContainerID"];
	string bundle_path = 2;
}

message PauseContainerRequest {
	string id = 1 [(gogoproto.customname) = "ID"];
}

message ResumeContainerRequest {
	string id = 1 [(gogoproto.customname) = "ID"];
}

message GetProcessRequest {
	string container_id = 1 [(gogoproto.customname) = "ContainerID"];
	string process_id = 2 [(gogoproto.customname) = "ProcessID"];
}

message GetProcessResponse {
	Process process = 1;
}

message SignalProcessRequest {
	string container_id = 1 [(gogoproto.customname) = "ContainerID"];
	string process_id = 2 [(gogoproto.customname) = "ProcessID"];
	uint32 signal = 3;
}

message DeleteProcessRequest {
	string container_id = 1 [(gogoproto.customname) = "ContainerID"];
	string process_id = 2 [(gogoproto.customname) = "ProcessID"];
}

message ListProcessesRequest {
	string id = 1 [(gogoproto.customname) = "ID"];
}

message ListProcessesResponse {
	repeated Process processes = 1;
}