syntax = "proto3";

package yandex.cloud.mdb.mysql.v1alpha;

import "google/protobuf/timestamp.proto";
import "google/type/timeofday.proto";
import "yandex/cloud/mdb/mysql/v1alpha/config/mysql5_7.proto";

option go_package = "github.com/yandex-cloud/go-genproto/yandex/cloud/mdb/mysql/v1alpha;mysql";
option java_package = "yandex.cloud.api.mdb.mysql.v1alpha";

// A MySQL cluster. For more information, see
// the [documentation](/docs/managed-mysql/concepts).
message Cluster {
  enum Environment {
    ENVIRONMENT_UNSPECIFIED = 0;

    // Stable environment with a conservative update policy:
    // only hotfixes are applied during regular maintenance.
    PRODUCTION = 1;

    // Environment with more aggressive update policy: new versions
    // are rolled out irrespective of backward compatibility.
    PRESTABLE = 2;
  }

  enum Health {

    // State of the cluster is unknown ([Host.health] for every host in the cluster is UNKNOWN).
    HEALTH_UNKNOWN = 0;

    // Cluster is alive and well ([Host.health] for every host in the cluster is ALIVE).
    ALIVE = 1;

    // Cluster is inoperable ([Host.health] for every host in the cluster is DEAD).
    DEAD = 2;

    // Cluster is working below capacity ([Host.health] for at least one host in the cluster is not ALIVE).
    DEGRADED = 3;
  }

  enum Status {

    // Cluster state is unknown.
    STATUS_UNKNOWN = 0;

    // Cluster is being created.
    CREATING = 1;

    // Cluster is running normally.
    RUNNING = 2;

    // Cluster encountered a problem and cannot operate.
    ERROR = 3;

    // Cluster is being updated.
    UPDATING = 4;

    // Cluster is stopping.
    STOPPING = 5;

    // Cluster stopped.
    STOPPED = 6;

    // Cluster is starting.
    STARTING = 7;
  }

  // ID of the MySQL cluster.
  // This ID is assigned by Managed Service for MySQL at creation time.
  string id = 1;

  // ID of the folder that the MySQL cluster belongs to.
  string folder_id = 2;

  google.protobuf.Timestamp created_at = 3;

  // Name of the MySQL cluster.
  // The name must be unique within the folder, comply with RFC 1035
  // and be 1-63 characters long.
  string name = 4;

  // Description of the MySQL cluster. 0-256 characters long.
  string description = 5;

  // Custom labels for the MySQL cluster as `key:value` pairs.
  // Maximum 64 per resource.
  map<string, string> labels = 6;

  // Deployment environment of the MySQL cluster.
  Environment environment = 7;

  // Description of monitoring systems relevant to the MySQL cluster.
  repeated Monitoring monitoring = 8;

  // Configuration of the MySQL cluster.
  ClusterConfig config = 9;

  // ID of the network that the cluster belongs to.
  string network_id = 10;

  // Aggregated cluster health.
  Health health = 11;

  // Current state of the cluster.
  Status status = 12;
}

message Monitoring {
  // Name of the monitoring system.
  string name = 1;

  // Description of the monitoring system.
  string description = 2;

  // Link to the monitoring system charts for the MySQL cluster.
  string link = 3;
}

message ClusterConfig {
  // Version of MySQL server software.
  string version = 1;

  // Configuration for MySQL servers in the cluster.
  oneof mysql_config {
    // Configuration of a MySQL 5.7 server.
    config.MysqlConfigSet5_7 mysql_config_5_7 = 2 [json_name="mysqlConfig_5_7"];
  }

  // Resources allocated to MySQL hosts.
  Resources resources = 3;

  // Time to start the daily backup, in the UTC timezone.
  google.type.TimeOfDay backup_window_start = 4;
}

message Host {

  enum Role {

    // Role of the host in the cluster is unknown.
    ROLE_UNKNOWN = 0;

    // Host is the master MySQL server in the cluster.
    MASTER = 1;

    // Host is a replica MySQL server in the cluster.
    REPLICA = 2;
  }

  enum Health {

    // Health of the host is unknown.
    HEALTH_UNKNOWN = 0;

    // The host is performing all its functions normally.
    ALIVE = 1;

    // The host is inoperable, and cannot perform any of its essential functions.
    DEAD = 2;

    // The host is degraded, and can perform only some of its essential functions.
    DEGRADED = 3;
  }

  // Name of the MySQL host. The host name is assigned by Managed Service for MySQL
  // at creation time, and cannot be changed. 1-63 characters long.
  //
  // The name is unique across all existing database hosts in Yandex.Cloud,
  // as it defines the FQDN of the host.
  string name = 1;

  // ID of the MySQL host. The ID is assigned by Managed Service for MySQL
  // at creation time.
  string cluster_id = 2;

  // ID of the availability zone where the MySQL host resides.
  string zone_id = 3;

  // Resources allocated to the host.
  Resources resources = 4;

  // Role of the host in the cluster.
  Role role = 5;

  // Status code of the aggregated health of the host.
  Health health = 6;

  // Services provided by the host.
  repeated Service services = 7;

  // ID of the subnet that the host belongs to.
  string subnet_id = 8;

  // Flag showing public IP assignment status to this host.
  bool assign_public_ip = 9;
}


message Service {

  enum Type {
    TYPE_UNSPECIFIED = 0;

    // Host provides the MySQL error log.
    MYSQL_ERROR = 1;

    // Host provides the MySQL general query log.
    MYSQL_GENERAL = 2;

    // Host provides the MySQL slow query log.
    MYSQL_SLOW_QUERY = 3;
  }

  enum Health {

    // Health of the server is unknown.
    HEALTH_UNKNOWN = 0;

    // The server is working normally.
    ALIVE = 1;

    // The server is dead or unresponsive.
    DEAD = 2;
  }

  // Type of the service provided by the host.
  Type type = 1;

  // Status code of server availability.
  Health health = 2;
}

message Resources {

  // ID of the preset for computational resources available to a host (CPU, memory etc.).
  // All available presets are listed in the [documentation](/docs/managed-mysql/concepts/instance-types).
  string resource_preset_id = 1;

  // Volume of the storage available to a host.
  int64 disk_size = 2;

  // Type of the storage environment for the host.
  // Possible values:
  // * network-ssd - network SSD drive,
  // * local-ssd - local SSD storage.
  string disk_type_id = 3;
}