syntax = "proto3";

package init;

option go_package = "github.com/edgelesssys/constellation/v2/bootstrapper/initproto";

service API {
  rpc Init(InitRequest) returns (stream InitResponse);
}

// InitRequest is the rpc message sent to the Constellation bootstrapper to initiate the cluster bootstrapping.
message InitRequest {
  reserved 4;
  reserved "cloud_service_account_uri";
  // KmsUri is an URI encoding access to the KMS service or master secret.
  string kms_uri = 1;
  // StorageUri is an URI encoding access to the storage service.
  string storage_uri = 2;
  // MeasurementSalt is a salt used to generate the clusterID for the initial bootstrapping node.
  bytes measurement_salt = 3;
  // KubernetesVersion is the version of Kubernetes to install.
  string kubernetes_version = 5;
  // ConformanceMode is a flag to indicate whether the cluster should be bootstrapped for Kubernetes conformance testing.
  bool conformance_mode = 6;
  // KubernetesComponents is a list of Kubernetes components to install.
  repeated KubernetesComponent kubernetes_components = 7;
  // InitSecret is a secret used to authenticate the initial bootstrapping node.
  bytes init_secret = 8;
  // ClusterName is the name of the cluster.
  string cluster_name = 9;
  // ApiserverCertSans is a list of Subject Alternative Names to add to the apiserver certificate.
  repeated string apiserver_cert_sans = 10;
}

// InitResponse is the rpc message sent by the Constellation bootstrapper in response to the InitRequest.
message InitResponse {
  oneof kind {
    InitSuccessResponse init_success = 1;
    InitFailureResponse init_failure = 2;
    LogResponseType log = 3;
  }
}

// InitSuccessResponse is the rpc message sent by the Constellation bootstrapper in response to the InitRequest when the bootstrapping was successful.
message InitSuccessResponse {
  // Kubeconfig is the kubeconfig for the bootstrapped cluster.
  bytes kubeconfig = 1;
  // OwnerID is the owner ID of the bootstrapped cluster.
  bytes owner_id = 2;
  // ClusterID is the cluster ID of the bootstrapped cluster.
  bytes cluster_id = 3;
}

// InitFailureResponse is the rpc message sent by the Constellation bootstrapper in response to the InitRequest when the bootstrapping failed.
message InitFailureResponse {
  // Error is the error message.
  string error = 1;
}

// LogResponseType is the rpc message sent by the Constellation bootstrapper to stream log messages.
message LogResponseType {
  // Log are the journald logs of the node.
  bytes log = 1;
}

// KubernetesComponent is a Kubernetes component to install.
message KubernetesComponent {
  // Url to the component.
  string url = 1;
  // Hash of the component.
  string hash = 2;
  // InstallPath is the path to install the component to.
  string install_path = 3;
  // Extract is a flag to indicate whether the component should be extracted.
  bool extract = 4;
}