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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 February 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.

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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