syntax = "proto3";

package pubapi;

option go_package = "github.com/edgelesssys/constellation/coordinator/pubapi/pubproto";

service API {
  rpc GetState(GetStateRequest) returns (GetStateResponse);
  rpc ActivateAsCoordinator(ActivateAsCoordinatorRequest) returns (stream ActivateAsCoordinatorResponse);
  rpc ActivateAsNode(ActivateAsNodeRequest) returns (ActivateAsNodeResponse);
  rpc ActivateAdditionalNodes(ActivateAdditionalNodesRequest) returns (stream ActivateAdditionalNodesResponse);
  rpc JoinCluster(JoinClusterRequest) returns (JoinClusterResponse);
  rpc TriggerNodeUpdate(TriggerNodeUpdateRequest) returns (TriggerNodeUpdateResponse);
}

message GetStateRequest {
}

message GetStateResponse {
  uint32 state = 1;
}

message ActivateAsCoordinatorRequest {
  bytes admin_vpn_pub_key = 1;
  repeated string node_public_endpoints = 2;
  repeated string autoscaling_node_groups = 3;
  bytes master_secret = 4;
  string kms_uri = 5;
  string storage_uri = 6;
  string key_encryption_key_id = 7;
  bool use_existing_kek = 8;
  string cloud_service_account_uri = 9;
}

message ActivateAsCoordinatorResponse {
  oneof content {
    AdminConfig admin_config = 1;
    Log log = 2;
  }
}

message ActivateAsNodeRequest {
  string node_vpn_ip = 1;
  repeated Peer peers = 2;
  bytes owner_id = 3;
  bytes cluster_id = 4;
}

message ActivateAsNodeResponse {
  bytes node_vpn_pub_key = 1;
}

message ActivateAdditionalNodesRequest {
  repeated string node_public_endpoints = 1;
}

message ActivateAdditionalNodesResponse {
    Log log = 1;
}

message JoinClusterRequest {
}

message JoinClusterResponse {
}

message TriggerNodeUpdateRequest {
}

message TriggerNodeUpdateResponse {
}

message AdminConfig {
  string admin_vpn_ip = 1;
  bytes coordinator_vpn_pub_key = 2;
  bytes kubeconfig = 3;
  bytes owner_id = 4;
  bytes cluster_id = 5;
}

message Log {
  string message = 1;
}

message Peer {
  string public_endpoint = 1;
  string vpn_ip = 2;
  bytes vpn_pub_key = 3;
  uint32 role = 4;
}