initiate version

LICENSE

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+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
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+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.

main.tf

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+resource "aws_elasticache_subnet_group" "default" {
+  name       = "${var.namespace}-redis-subnet"
+  subnet_ids = var.subnet_ids
+
+  tags = var.tags
+
+}
+
+resource "aws_elasticache_replication_group" "default" {
+  replication_group_id          = var.cluster_id
+  replication_group_description = var.cluster_description
+  security_group_ids            = [aws_security_group.redis-security-group.id]
+  node_type                     = var.node_type
+  port                          = var.port
+  parameter_group_name          = var.parameter_group_name
+
+  subnet_group_name          = aws_elasticache_subnet_group.default.name
+  automatic_failover_enabled = var.automatic_failover_enabled
+
+  cluster_mode {
+    replicas_per_node_group = var.replicas_per_node_group
+    num_node_groups         = var.node_groups
+  }
+
+  tags = var.tags
+}

output.tf

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+output "primary_endpoint_address" {
+  value = "${aws_elasticache_replication_group.default.primary_endpoint_address}"
+}
+
+output "arn" {
+  value = aws_elasticache_subnet_group.default.arn
+}
+
+output "configuration_endpoint_address" {
+  value = aws_elasticache_replication_group.default.configuration_endpoint_address
+}
+
+output "security_group_arn" {
+  value = aws_security_group.redis-security-group.arn
+}

security-groups.tf

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+# this security group for ecs - Traffic to the ECS cluster should only come from the ALB
+resource "aws_security_group" "redis-security-group" {
+  name   = var.security_group_name
+  vpc_id = var.vpc_id
+
+  ingress {
+    from_port   = 0
+    to_port     = 0
+    protocol    = "-1"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
+  egress {
+    from_port   = 0
+    to_port     = 0
+    protocol    = "-1"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
+  tags = var.tags
+}

variables.tf

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+variable "namespace" {
+}
+
+variable "node_groups" {
+  description = "Number of nodes groups to create in the"
+  default     = 1
+}
+
+variable "cluster_id" {
+  description = "cluster name"
+  default = "redis-cluster"
+}
+
+variable "cluster_description" {
+  description = "cluster description"
+  default = ""
+}
+
+variable "port" {
+  description = "running port"
+  default = 6379
+}
+
+variable "automatic_failover_enabled" {
+  description = ""
+  default = true
+}
+
+variable "security_group_name" {
+  description = "redis security group name"
+}
+
+variable "replicas_per_node_group" {
+  description = "number of replicas run per node group"
+}
+
+variable "parameter_group_name" {
+  description = "parameter group name"
+}
+
+variable "node_type" {
+  description = "node type"
+}
+
+variable "subnet_ids" {
+  description = "subnets"
+}
+
+variable "vpc_id" {
+  description = "vpc id"
+}
+
+variable "tags" {
+  description = "tags"
+  type =  map(string)
+}

versions.tf

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+terraform {
+  required_version = ">= 0.14.9"
+
+  required_providers {
+    aws = {
+      source  = "hashicorp/aws"
+      version = "~> 3.27"
+    }
+  }
+}