AWS Elasticache Redis Template

Terraform module which deploys Elasticache Redis on AWS.

• Support standalone(one read-write instance) and replication(one read-write instance and multiple read-only instances, for read write splitting).

Usage

module "example" {
  source = "..."

  infrastructure = {
    vpc_id        = "..."
    kms_key_id    = "..."
    domain_suffix = "..."
  }

  architecture   = "standalone"
  engine_version = "7.0"
}

Examples

• Replication
• Standalone

Contributing

Please read our contributing guide if you're interested in contributing to Walrus template.

Requirements

Name	Version
terraform	>= 1.0
aws	>= 5.24.0
random	>= 3.5.1

Providers

Name	Version
aws	>= 5.24.0
random	>= 3.5.1

Modules

No modules.

Resources

Name	Type
aws_elasticache_parameter_group.target	resource
aws_elasticache_replication_group.default	resource
aws_elasticache_subnet_group.target	resource
aws_security_group.target	resource
aws_security_group_rule.target	resource
aws_service_discovery_instance.primary	resource
aws_service_discovery_instance.reader	resource
aws_service_discovery_service.primary	resource
aws_service_discovery_service.reader	resource
random_password.password	resource
random_string.name_suffix	resource
aws_kms_key.selected	data source
aws_service_discovery_dns_namespace.selected	data source
aws_subnets.selected	data source
aws_vpc.selected	data source

Inputs

Name	Description	Type	Default	Required
architecture	Specify the deployment architecture, select from standalone or replication.	string	"standalone"	no
context	Receive contextual information. When Walrus deploys, Walrus will inject specific contextual information into this field. Examples: context: project: name: string id: string environment: name: string id: string resource: name: string id: string	map(any)	{}	no
engine_parameters	Specify the deployment parameters, see https://docs.aws.amazon.com/AmazonElastiCache/latest/red-ug/ParameterGroups.Redis.html.	list(object({ name = string value = string }))	[]	no
engine_version	Specify the deployment engine version.	string	"7.0"	no
infrastructure	Specify the infrastructure information for deploying. Examples: infrastructure: vpc_id: string # the ID of the VPC where the Redis service applies kms_key_id: string, optional # the ID of the KMS key which to encrypt the Redis data domain_suffix: string, optional # a private DNS namespace of the CloudMap where to register the applied Redis service	object({ vpc_id = string kms_key_id = optional(string) domain_suffix = optional(string) })	n/a	yes
password	Specify the account password. The password must be 16-32 characters long and start with any letter, number, or the following symbols: ! # $ % ^ & * ( ) _ + - =. If not specified, it will generate a random password.	string	null	no
replication_readonly_replicas	Specify the number of read-only replicas under the replication deployment.	number	1	no
resources	Specify the computing resources. Examples: resources: class: string, optional # https://docs.aws.amazon.com/AmazonElastiCache/latest/red-ug/CacheNodes.SupportedTypes.html	object({ class = optional(string, "cache.t3.micro") })	{ "class": "cache.t3.micro" }	no

Outputs

Name	Description
address	The address, a string only has host, might be a comma separated string or a single string.
address_readonly	The readonly address, a string only has host, might be a comma separated string or a single string.
connection	The connection, a string combined host and port, might be a comma separated string or a single string.
connection_readonly	The readonly connection, a string combined host and port, might be a comma separated string or a single string.
context	The input context, a map, which is used for orchestration.
password	The password of the account to access the service.
port	The port of the service.
refer	The refer, a map, including hosts, ports and account, which is used for dependencies or collaborations.

License

Copyright (c) 2023 Seal, Inc.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at LICENSE file for details.

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.