syntax = "proto3";

package yandex.cloud.mdb.elasticsearch.v1;

import "google/protobuf/timestamp.proto";
import "yandex/cloud/mdb/elasticsearch/v1/config/elasticsearch.proto";

option go_package = "github.com/yandex-cloud/go-genproto/yandex/cloud/mdb/elasticsearch/v1;elasticsearch";
option java_package = "yandex.cloud.api.mdb.elasticsearch.v1";

// An Elasticsearch cluster resource.
// For more information, see the [Concepts](/docs/managed-elasticsearch/concepts) section of the documentation.
message Cluster {
  enum Environment {
    ENVIRONMENT_UNSPECIFIED = 0;

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

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

  enum Health {

    // state of the cluster is unknown ([Host.health] of all hosts in the cluster is `UNKNOWN`).
    HEALTH_UNKNOWN = 0;

    // cluster is alive and well ([Host.health] of all hosts in the cluster is `ALIVE`).
    ALIVE = 1;

    // cluster is inoperable ([Host.health] of all hosts in the cluster is `DEAD`).
    DEAD = 2;

    // cluster is in degraded state ([Host.health] of at least one of the hosts 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 Elasticsearch cluster.
  // This ID is assigned at creation time.
  string id = 1;

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

  // Creation timestamp.
  google.protobuf.Timestamp created_at = 3;

  // Name of the Elasticsearch cluster.
  // The name must be unique within the folder. 1-63 characters long.
  string name = 4;

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

  // Custom labels for the Elasticsearch cluster as `key:value` pairs.
  // A maximum of 64 labels per resource is allowed.
  map<string, string> labels = 6;

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

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

  // Configuration of the Elasticsearch 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;

  // User security groups
  repeated string security_group_ids = 13;

  // ID of the service account used for access to Yandex Object Storage.
  string service_account_id = 14;

  // Deletion Protection inhibits deletion of the cluster
  bool deletion_protection = 15;
}

// Metadata of monitoring system.
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 Elasticsearch cluster.
  string link = 3;
}

message ClusterConfig {
  // Elasticsearch version.
  string version = 1;

  // Configuration and resource allocation for Elasticsearch nodes.
  Elasticsearch elasticsearch = 2;

  // ElasticSearch edition.
  string edition = 3;
}

message Elasticsearch {
  message DataNode {
    oneof config {
      // Elasticsearch 7.x data node configuration.
      config.ElasticsearchConfigSet7 elasticsearch_config_set_7 = 1 [json_name="elasticsearchConfigSet_7"];
    }

    // Resources allocated to Elasticsearch data nodes.
    Resources resources = 2;
  }

  message MasterNode {
    // Resources allocated to Elasticsearch master nodes.
    Resources resources = 1;
  }

  // Configuration and resource allocation for Elasticsearch data nodes.
  DataNode data_node = 1;

  // Configuration and resource allocation for Elasticsearch master nodes.
  MasterNode master_node = 2;

  // Cluster wide plugins
  repeated string plugins = 3;
}

// Computational resources.
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-elasticsearch/concepts/instance-types).
  string resource_preset_id = 1;

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

  // Type of the storage environment for the host.
  // All available types are listed in the [documentation](/docs/managed-elasticsearch/concepts/storage).
  string disk_type_id = 3;
}

// Cluster host metadata.
message Host {
  enum Type {
    TYPE_UNSPECIFIED = 0;

    // the host is an Elasticsearch data node.
    DATA_NODE = 1;

    // the host is an Elasticsearch master node.
    MASTER_NODE = 2;
  }

  enum Health {

    // health of the host is unknown.
    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 host.
  string name = 1;

  // ID of the Elasticsearch cluster.
  string cluster_id = 2;

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

  // Host type.
  Type type = 4;

  Resources resources = 5;

  // Aggregated host health data.
  Health health = 6;

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

  // ID of the subnet the host resides in.
  string subnet_id = 8;

  // The flag that defines whether a public IP address is assigned to the host.
  //
  // If the value is `true`, then this host is available on the Internet via it's public IP address.
  bool assign_public_ip = 9;
}

// Cluster service metadata.
message Service {
  enum Type {
    TYPE_UNSPECIFIED = 0;

    // the Elasticsearch service.
    ELASTICSEARCH = 1;
  }

  enum Health {

    // health of the service is unknown.
    UNKNOWN = 0;

    // the service is working normally.
    ALIVE = 1;

    // the service is dead or unresponsive.
    DEAD = 2;
  }

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

  // Service health data.
  Health health = 2;
}