syntax = "proto3";

package docker.containerkit.v1;

import "github.com/gogo/protobuf/gogoproto/gogo.proto";
import "github.com/docker/containerkit/api/types/mount/mount.proto";

service Containers {
    rpc Create(CreateRequest) returns (CreateResponse);
    rpc Start(StartRequest) returns (StartResponse);
    rpc Stop(StopRequest) returns (StopResponse);
    rpc Delete(DeleteRequest) returns (DeleteResponse);
    rpc List(ListRequest) returns (ListResponse);
    rpc State(StateRequest) returns (StateResponse);
    rpc Exec(ExecRequest) returns (ExecResponse);
    rpc Update(UpdateRequest) returns (UpdateResponse);
}

message Container {
	ContainerSpec container = 1; 
	// Runtime properties go here.
}

// Container specifies runtime parameters for a container.
message ContainerSpec {
	// name must be a unique name to identify the container.
	//
	// This can be used as a system identifier external to ContainerKit services.
	string name = 1;

	// Labels defines labels to be added to the container at creation time. If
	// collisions with system labels occur, these labels will be overridden.
	//
	// This field *must* remain compatible with the Labels field of
	// Annotations.
	map<string, string> labels = 2;

	repeated types.Mount mounts = 3 [(gogoproto.nullable) = false];

	// Command to run the the container. The first element is a path to the
	// executable and the following elements are treated as arguments.
	//
	// If command is empty, execution will fall back to the image's entrypoint.
	//
	// Command should only be used when overriding entrypoint.
	repeated string command = 4;

	// Args specifies arguments provided to the image's entrypoint.
	//
	// If Command and Args are provided, Args will be appended to Command.
	repeated string args = 5;

	// Env specifies the environment variables for the container in NAME=VALUE
	// format. These must be compliant with  [IEEE Std
	// 1003.1-2001](http://pubs.opengroup.org/onlinepubs/009695399/basedefs/xbd_chap08.html).
	repeated string env = 6;

	// Dir defines the working directory to set for the container process.
	string dir = 7;

	// User specifies the user that should be employed to run the container.
	//
	// Note that the primary group may be specified by appending the group name
	// or id to the user name, separated by a `:`. This syntax is
	// `<user>:<group>`.
	string user = 8;

	// Groups specifies supplementary groups available to the user.
	repeated string groups = 9;
}

message Rlimit {
	string type = 1;
	uint64 soft = 2;
	uint64 hard = 3;
}

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

message CreateRequest {
	string id = 1; 
	string image = 2;
    repeated string args = 3;
    repeated string env = 4;
}

message CreateResponse {
	Container container = 1;
}

message StartRequest {
    string id = 1;
}

message StartResponse {

}

message StopRequest {
    string id = 1;
    uint32 signal = 2;
    uint32 timeout = 3;
}

message StopResponse {

}

message DeleteRequest {
    string id = 1;
}

message DeleteResponse {

}

message ListRequest {

}

message ListResponse {
    repeated Container containers = 1;
}

message StateRequest {
    string id = 1;
}

message StateResponse {
    Container container = 1;
}

message ExecRequest {
    string id = 1;
	bool terminal = 2;
	User user = 3; 
	repeated string args = 4;
	repeated string env = 5;
	string cwd = 6; 
	string pid = 7;
	repeated string capabilities = 8;
	string apparmorProfile = 9;
	string selinuxLabel = 10;
	bool noNewPrivileges = 11;
	repeated Rlimit rlimits = 12;
}

message ExecResponse {

}

message UpdateRequest {
    string id = 1;
}

message UpdateResponse {

}