syntax = "proto3";

package containerd.v1;

import "gogoproto/gogo.proto";

service Execution {
	rpc CreateContainer(CreateContainerRequest) returns (CreateContainerResponse);
	rpc StartContainer(StartContainerRequest) returns (StartContainerResponse);
	rpc DeleteContainer(DeleteContainerRequest) returns (DeleteContainerResponse);
	rpc StateContainer(StateContainerRequest) returns (StateContainerResponse);
	rpc UpdateContainer(UpdateContainerRequest) returns (UpdateContainerResponse);
	rpc PauseContainer(PauseContainerRequest) returns (PauseContainerResponse);
	rpc ResumeContainer(ResumeContainerRequest) returns (ResumeContainerResponse);

	rpc ContainerList(ContainerListRequest) returns (ContainerListResponse);

	rpc CreateProcess(CreateProcessRequest) returns (CreateProcessResponse);
	rpc StartProcess(StartProcessRequest) returns (StartProcessResponse);
	rpc ProcessState(ProcessStateRequest) returns (ProcessStateResponse);
	rpc SignalProcess(SignalProcessRequest) returns (SignalProcessResponse);
	rpc DeleteProcess(DeleteProcessRequest) returns (DeleteProcessResponse);
	rpc ProcessList(ProcessListRequest) returns (ProcessListResponse);

	rpc Events(EventsRequest) returns (stream EventsResponse);
}

message Container {
	string id = 1 [(gogoproto.customname) = "ID"];
	repeated Mount mounts = 2;
	string owner = 3;
	Process process = 4;
}

message Process {
	uint64 pid = 1;
	repeated string args = 2;
	repeated string env = 3;
	User user = 4;
	string cwd = 5;
	bool terminal = 6;
}

message ProcessSpec {
	repeated string args = 1;
	repeated string env = 2;
	User user = 3;
	string cwd = 4;
	bool terminal = 5;
	string stdin = 6;
	string stdout = 7;
	string stderr = 8;
}

message Mount {
	string source = 1;
	string target = 2;
	string type = 3;
	repeated string options = 4;
}

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

message CreateContainerRequest {
	string id = 1 [(gogoproto.customname) = "ID"];
	ProcessSpec process = 2;
	repeated Mount mounts = 3;
	string owner = 4;
	string config_path = 5;
}

message CreateContainerResponse {
	Container container = 1;
}

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

message State {
}

message StartContainerResponse {
	State state = 1;
}

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

message DeleteContainerResponse {
}

message ContainerListRequest {
	repeated string owner = 1;
}

message ContainerListResponse {
	repeated Container containers = 1;
}

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

message StateContainerResponse {
	Container container = 1;
}

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

message UpdateContainerResponse {
}

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

message PauseContainerResponse {
}

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

message ResumeContainerResponse {
}

message CreateProcessRequest {
	string id = 1 [(gogoproto.customname) = "ID"];
	ProcessSpec spec = 2;
}

message CreateProcessResponse {
}

message StartProcessRequest {
	string cid = 1;
	string pid = 2;
}

message StartProcessResponse {
	uint32 pid = 1;
}

message ProcessStateRequest {
	string cid = 1;
	string pid = 2;
}

message ProcessStateResponse {
	State state = 1;
}

message SignalProcessRequest {
	string cid = 1;
	string pid = 2;
	uint32 signal = 3;
}

message SignalProcessResponse {
}

message DeleteProcessRequest {
	string cid = 1;
	string pid = 2;
}

message DeleteProcessResponse {
}

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

message ProcessListResponse {
}

message EventsRequest {
}

message EventsResponse {
}