syntax = "proto3";

package containerd.v1;

import "gogoproto/gogo.proto";

service Containers {
	rpc Create(CreateRequest) returns (CreateResponse);
	rpc Start(StartRequest) returns (StartResponse);
	rpc Delete(DeleteRequest) returns (DeleteResponse);
	rpc State(StateRequest) returns (StateResponse);
	rpc Update(UpdateRequest) returns (UpdateResponse);
	rpc Pause(PauseRequest) returns (PauseResponse);
	rpc Resume(ResumeRequest) returns (ResumeResponse);

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

message CreateResponse {
	Container container = 1;
}

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

message State {
}

message StartResponse {
	State state = 1;
}

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

message DeleteResponse {
}

message ContainerListRequest {
	repeated string owner = 1;
}

message ContainerListResponse {
	repeated Container containers = 1;
}

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

message StateResponse {
	Container container = 1;
}

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

message UpdateResponse {
}

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

message PauseResponse {
}

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

message ResumeResponse {
}

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 {
}