syntax = "proto3";

package containerd.v1;

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

service ContainerService {
	rpc Get(GetContainerRequest) returns (GetContainerResponse);
	rpc Update(UpdateContainerRequest) returns (Empty);
	rpc Pause(PauseContainerRequest) returns (Empty);
	rpc Resume(ResumeContainerRequest) returns (Empty);

    rpc CreateProcess(CreateProcessRequest) returns (CreateProcessResponse);
	rpc GetProcess(GetProcessRequest) returns (GetProcessResponse);
	rpc StartProcess(StartProcessRequest) returns (StartProcessResponse);
	rpc SignalProcess(SignalProcessRequest) returns (Empty);
	rpc DeleteProcess(DeleteProcessRequest) returns (Empty);
	rpc ListProcesses(ListProcessesRequest) returns (ListProcessesResponse);
}

message CreateProcessRequest {
    string container_id = 1;
    Process process = 2;
    string stdin = 3;
	string stdout = 4;
	string stderr = 5;
}

message CreateProcessResponse {
    Process process = 1;
}

message Container {
	string id = 1 [(gogoproto.customname) = "ID"];
    string bundle_path = 2;
    Process process = 3;
    Status status = 4;
}

message Process {
	string id = 1 [(gogoproto.customname) = "ID"];
	uint64 pid = 2;
	repeated string args = 3;
	repeated string env = 4;
	User user = 5;
	string cwd = 6;
	bool terminal = 7;
    Status status = 8;
    uint32 exit_status = 9;
}

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 {
	Container container = 1;
    string bundle_path = 2;
}

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

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

message StartProcessRequest {
    Process process = 1;
}

message StartProcessResponse {
    Process process = 1;
}

message GetProcessRequest {
    Container container = 1;
    string process_id = 2;
}

message GetProcessResponse {
    Process process = 1;
}

message SignalProcessRequest {
    Process process = 1;
	uint32 signal = 2;
}

message DeleteProcessRequest {
    Process process = 1;
}

message ListProcessesRequest {
    Container container = 1;
}

message ListProcessesResponse {
    repeated Process processes = 1;
}