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Terraform in Yandex Cloud
  • Getting started
  • Solution library
    • Overview
    • Release notes
          • mdb_redis_cluster
          • mdb_redis_cluster_iam_binding
          • mdb_redis_cluster_v2
          • mdb_redis_user

In this article:

  • Example usage
  • Arguments & Attributes Reference
  • Import
  1. Terraform reference
  2. Resources
  3. Managed Service for ValKey
  4. Resources
  5. mdb_redis_cluster

yandex_mdb_redis_cluster (Resource)

Written by
Yandex Cloud
Updated at April 9, 2026
  • Example usage
  • Arguments & Attributes Reference
  • Import

Manages a Redis cluster within the Yandex Cloud. For more information, see the official documentation.

Example usageExample usage

//
// Create a new MDB Redis Cluster.
//
resource "yandex_mdb_redis_cluster" "my_cluster" {
  name        = "test"
  environment = "PRESTABLE"
  network_id  = yandex_vpc_network.foo.id

  config {
    password = "your_password"
    version  = "6.2"
  }

  resources {
    resource_preset_id = "hm1.nano"
    disk_size          = 16
  }

  host {
    zone      = "ru-central1-d"
    subnet_id = yandex_vpc_subnet.foo.id
  }

  maintenance_window {
    type = "ANYTIME"
  }
}

resource "yandex_vpc_network" "foo" {}

resource "yandex_vpc_subnet" "foo" {
  zone           = "ru-central1-d"
  network_id     = yandex_vpc_network.foo.id
  v4_cidr_blocks = ["10.5.0.0/24"]
}
//
// Create a new MDB Sharded Redis Cluster.
//
resource "yandex_mdb_redis_cluster" "foo" {
  name        = "test"
  environment = "PRESTABLE"
  network_id  = yandex_vpc_network.foo.id
  sharded     = true

  config {
    version  = "6.2"
    password = "your_password"
  }

  resources {
    resource_preset_id = "hm1.nano"
    disk_size          = 16
  }

  host {
    zone       = "ru-central1-a"
    subnet_id  = yandex_vpc_subnet.foo.id
    shard_name = "first"
  }

  host {
    zone       = "ru-central1-b"
    subnet_id  = yandex_vpc_subnet.bar.id
    shard_name = "second"
  }

  host {
    zone       = "ru-central1-d"
    subnet_id  = yandex_vpc_subnet.baz.id
    shard_name = "third"
  }
}

// Auxiliary resources
resource "yandex_vpc_network" "foo" {}

resource "yandex_vpc_subnet" "foo" {
  zone           = "ru-central1-a"
  network_id     = yandex_vpc_network.foo.id
  v4_cidr_blocks = ["10.1.0.0/24"]
}

resource "yandex_vpc_subnet" "bar" {
  zone           = "ru-central1-b"
  network_id     = yandex_vpc_network.foo.id
  v4_cidr_blocks = ["10.2.0.0/24"]
}

resource "yandex_vpc_subnet" "baz" {
  zone           = "ru-central1-d"
  network_id     = yandex_vpc_network.foo.id
  v4_cidr_blocks = ["10.3.0.0/24"]
}

Arguments & Attributes ReferenceArguments & Attributes Reference

  • announce_hostnames (Bool). Announce fqdn instead of ip address.
  • auth_sentinel (Bool). Allows to use ACL users to auth in sentinel
  • created_at (Read-Only) (String). The creation timestamp of the resource.
  • deletion_protection (Bool). The true value means that resource is protected from accidental deletion.
  • description (String). The resource description.
  • disk_encryption_key_id (String). ID of the KMS key for cluster disk encryption.
  • environment (Required)(String). Deployment environment of the Redis cluster. Can be either PRESTABLE or PRODUCTION.
  • folder_id (String). The folder identifier that resource belongs to. If it is not provided, the default provider folder-id is used.
  • health (Read-Only) (String). Aggregated health of the cluster. Can be either ALIVE, DEGRADED, DEAD or HEALTH_UNKNOWN. For more information see health field of JSON representation in the official documentation.
  • id (String).
  • labels (Map Of String). A set of key/value label pairs which assigned to resource.
  • name (Required)(String). The resource name.
  • network_id (Required)(String). The VPC Network ID of subnets which resource attached to.
  • persistence_mode (String). Persistence mode. Possible values: ON, OFF.
  • security_group_ids (Set Of String). The list of security groups applied to resource or their components.
  • sharded (Bool). Redis Cluster mode enabled/disabled. Enables sharding when cluster non-sharded. If cluster is sharded - disabling is not allowed.
  • status (Read-Only) (String). Status of the cluster. Can be either CREATING, STARTING, RUNNING, UPDATING, STOPPING, STOPPED, ERROR or STATUS_UNKNOWN. For more information see status field of JSON representation in the official documentation.
  • tls_enabled (Bool). TLS support mode enabled/disabled.
  • access [Block]. Access policy to the Redis cluster.
    • data_lens (Bool). Allow access for DataLens. Can be either true or false.
    • web_sql (Bool). Allow access for Web SQL. Can be either true or false.
  • config [Block]. Configuration of the Redis cluster.
    • allow_data_loss (Bool). Allows some data to be lost in favor of faster switchover/restart by RDSync.
    • client_output_buffer_limit_normal (String). Normal clients output buffer limits. See redis config file.
    • client_output_buffer_limit_pubsub (String). Pubsub clients output buffer limits. See redis config file.
    • cluster_allow_pubsubshard_when_down (Bool). Permits Pub/Sub shard operations when cluster is down.
    • cluster_allow_reads_when_down (Bool). Allows read operations when cluster is down.
    • cluster_require_full_coverage (Bool). Controls whether all hash slots must be covered by nodes.
    • databases (Number). Number of databases (changing requires redis-server restart).
    • io_threads_allowed (Bool). Allow Redis to use io-threads.
    • lfu_decay_time (Number). The time, in minutes, that must elapse in order for the key counter to be divided by two (or decremented if it has a value less <= 10).
    • lfu_log_factor (Number). Determines how the frequency counter represents key hits.
    • lua_time_limit (Number). Maximum time in milliseconds for Lua scripts.
    • maxmemory_percent (Number). Redis maxmemory usage in percent
    • maxmemory_policy (String). Redis key eviction policy for a dataset that reaches maximum memory. Can be any of the listed in the official RedisDB documentation.
    • notify_keyspace_events (String). Select the events that Redis will notify among a set of classes.
    • password (Required)(String). Password for the Redis cluster.
    • repl_backlog_size_percent (Number). Replication backlog size as a percentage of flavor maxmemory.
    • slowlog_log_slower_than (Number). Log slow queries below this number in microseconds.
    • slowlog_max_len (Number). Slow queries log length.
    • timeout (Number). Close the connection after a client is idle for N seconds.
    • turn_before_switchover (Bool). Allows to turn before switchover in RDSync.
    • use_luajit (Bool). Use JIT for lua scripts and functions.
    • version (Required)(String). Version of Redis.
    • zset_max_listpack_entries (Number). Controls max number of entries in zset before conversion from memory-efficient listpack to CPU-efficient hash table and skiplist
    • backup_window_start [Block]. Time to start the daily backup, in the UTC timezone.
      • hours (Number). The hour at which backup will be started.
      • minutes (Number). The minute at which backup will be started.
  • disk_size_autoscaling [Block]. Disk size autoscaling settings.
    • disk_size_limit (Required)(Number). Limit of disk size after autoscaling (GiB).
    • emergency_usage_threshold (Number). Immediate autoscaling disk usage (percent).
    • planned_usage_threshold (Number). Maintenance window autoscaling disk usage (percent).
  • host [Block]. A host of the Redis cluster.
    • assign_public_ip (Bool). Sets whether the host should get a public IP address or not.
    • fqdn (Read-Only) (String). The fully qualified domain name of the host.
    • replica_priority (Number). Replica priority of a current replica (usable for non-sharded only).
    • shard_name (String). The name of the shard to which the host belongs.
    • subnet_id (String). The ID of the subnet, to which the host belongs. The subnet must be a part of the network to which the cluster belongs.
    • zone (Required)(String). The availability zone where resource is located. If it is not provided, the default provider zone will be used.
  • maintenance_window [Block]. Maintenance window settings.
    • day (String). Day of week for maintenance window if window type is weekly. Possible values: MON, TUE, WED, THU, FRI, SAT, SUN.
    • hour (Number). Hour of day in UTC time zone (1-24) for maintenance window if window type is weekly.
    • type (Required)(String). Type of maintenance window. Can be either ANYTIME or WEEKLY. A day and hour of window need to be specified with weekly window.
  • resources [Block]. Resources allocated to hosts of the Redis cluster.
    • disk_size (Required)(Number). Volume of the storage available to a host, in gigabytes.
    • disk_type_id (String). Type of the storage of Redis hosts - environment default is used if missing.
    • resource_preset_id (Required)(String). The ID of the preset for computational resources available to a host (CPU, memory etc.). For more information, see the official documentation.
  • timeouts [Block].
    • create (String).
    • delete (String).
    • update (String).

ImportImport

The resource can be imported by using their resource ID. For getting it you can use Yandex Cloud Web Console or Yandex Cloud CLI.

# terraform import yandex_mdb_redis_cluster.<resource Name> <resource Id>
terraform import yandex_mdb_redis_cluster.my_cluster ...

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