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redis-cluster-sharded.tf
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redis-cluster-sharded.tf
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# Infrastructure for the Yandex Cloud Managed Service for Redis sharded cluster and Virtual Machine
#
# RU: https://cloud.yandex.ru/docs/managed-redis/tutorials/redis-as-php-sessions-storage
# EN: https://cloud.yandex.com/en/docs/managed-redis/tutorials/redis-as-php-sessions-storage
#
# Specify the following settings:
locals {
zone_a_v4_cidr_blocks = "10.1.0.0/16" # Set the CIDR block for subnet in the ru-central1-a availability zone.
zone_b_v4_cidr_blocks = "10.2.0.0/16" # Set the CIDR block for subnet in the ru-central1-b availability zone.
zone_c_v4_cidr_blocks = "10.3.0.0/16" # Set the CIDR block for subnet in the ru-central1-c availability zone.
# Managed Service for Redis cluster.
redis_version = "6.2" # Set the Redis version.
password = "" # Set the cluster password.
shard_name1 = "shard1" # Set the name for the first shard.
shard_name2 = "shard2" # Set the name for the first shard.
shard_name3 = "shard3" # Set the name for the first shard.
# (Optional) Virtual Machine. If you use VM for connection to the cluster, uncomment these lines.
# vm_image_id = "" # Set a public image ID from https://cloud.yandex.com/en/docs/compute/operations/images-with-pre-installed-software/get-list.
# vm_username = "" # Set a username for VM. Images with Ubuntu Linux use the username `ubuntu` by default.
# vm_public_key = "" # Set a full path to SSH public key.
}
resource "yandex_vpc_network" "network" {
description = "Network for the Managed Service for Redis cluster and VM"
name = "network"
}
resource "yandex_vpc_subnet" "subnet-a" {
description = "Subnet in the ru-central1-a availability zone"
name = "subnet-a"
zone = "ru-central1-a"
network_id = yandex_vpc_network.network.id
v4_cidr_blocks = [local.zone_a_v4_cidr_blocks]
}
resource "yandex_vpc_subnet" "subnet-b" {
description = "Subnet in the ru-central1-b availability zone"
name = "subnet-b"
zone = "ru-central1-b"
network_id = yandex_vpc_network.network.id
v4_cidr_blocks = [local.zone_b_v4_cidr_blocks]
}
resource "yandex_vpc_subnet" "subnet-c" {
description = "Subnet in the ru-central1-c availability zone"
name = "subnet-c"
zone = "ru-central1-c"
network_id = yandex_vpc_network.network.id
v4_cidr_blocks = [local.zone_c_v4_cidr_blocks]
}
resource "yandex_vpc_security_group" "security-group-redis" {
description = "Security group for the Managed Service for Redis cluster"
network_id = yandex_vpc_network.network.id
# Required for clusters created with TLS
ingress {
description = "Allow direct connections to the master with SSL"
protocol = "TCP"
port = 6380
v4_cidr_blocks = ["0.0.0.0/0"]
}
# Required for clusters created without TLS
#ingress {
# description = "Allow direct connections to the master without SSL"
# protocol = "TCP"
# port = 6379
# v4_cidr_blocks = ["0.0.0.0/0"]
#}
ingress {
protocol = "TCP"
description = "Allow connections to the Redis Sentinel"
port = 26379
v4_cidr_blocks = ["0.0.0.0/0"]
}
}
# If you use VM for connection to the cluster, uncomment these lines.
#resource "yandex_vpc_security_group" "security-group-vm" {
# description = "Security group for VM"
# network_id = yandex_vpc_network.network.id
#
# ingress {
# description = "Allow SSH connections for VM from the Internet"
# protocol = "TCP"
# port = 22
# v4_cidr_blocks = ["0.0.0.0/0"]
# }
#
# egress {
# description = "Allow outgoing connections to any required resource"
# protocol = "ANY"
# from_port = 0
# to_port = 65535
# v4_cidr_blocks = ["0.0.0.0/0"]
# }
#}
resource "yandex_mdb_redis_cluster" "redis-cluster" {
description = "Security group for the Managed Service for Redis cluster"
name = "redis-cluster"
environment = "PRODUCTION"
network_id = yandex_vpc_network.network.id
security_group_ids = [yandex_vpc_security_group.security-group-redis.id]
sharded = true
tls_enabled = true # TLS support mode. Must be enabled for public access to the cluster host. For a method without VM.
config {
password = local.password
version = local.redis_version
}
resources {
resource_preset_id = "hm2.nano" # 2 vCPU, 8 GB RAM
disk_type_id = "network-ssd"
disk_size = 16 # GB
}
host {
zone = "ru-central1-a"
subnet_id = yandex_vpc_subnet.subnet-a.id
shard_name = local.shard_name1
assign_public_ip = true # Required for connection from the Internet. For a method without VM.
}
host {
zone = "ru-central1-b"
subnet_id = yandex_vpc_subnet.subnet-b.id
shard_name = local.shard_name2
assign_public_ip = true # Required for connection from the Internet. For a method without VM.
}
host {
zone = "ru-central1-c"
subnet_id = yandex_vpc_subnet.subnet-c.id
shard_name = local.shard_name3
assign_public_ip = true # Required for connection from the Internet. For a method without VM.
}
}
# If you use VM for connection to the cluster, uncomment these lines.
#resource "yandex_compute_instance" "vm-linux" {
# description = "Virtual Machine in Yandex Compute Cloud"
# name = "vm-linux"
# platform_id = "standard-v3" # Intel Ice Lake
#
# resources {
# cores = 2
# memory = 2 # GB
# }
#
# boot_disk {
# initialize_params {
# image_id = local.vm_image_id
# }
# }
#
# network_interface {
# subnet_id = yandex_vpc_subnet.subnet-a.id
# nat = true # Required for connection from the Internet.
#
# security_group_ids = [
# yandex_vpc_security_group.security-group-redis.id,
# yandex_vpc_security_group.security-group-vm.id
# ]
# }
#
# metadata = {
# ssh-keys = "local.vm_username:${file(local.vm_public_key)}" # Username and SSH public key full path.
# }
#}