feat: add elasticache support

lib/aws/bootstrap/elasticcache.tf

@@ -62,6 +62,7 @@ resource "aws_route_table_association" "elasticache_cluster_zone_c" {
 
 resource "aws_elasticache_subnet_group" "elasticache" {
   description = "Elasticache linked to ${var.eks_cluster_id}"
+  # WARNING: this "name" value is used into elasticache clusters, you need to update it accordingly
   name = "elasticache-${aws_vpc.eks.id}"
   subnet_ids = flatten([aws_subnet.elasticache_zone_a.*.id, aws_subnet.elasticache_zone_b.*.id, aws_subnet.elasticache_zone_c.*.id])
 }
@@ -70,7 +71,7 @@ resource "aws_elasticache_subnet_group" "elasticache" {
 
 resource "aws_security_group_rule" "elasticache_remote_access" {
   cidr_blocks       = ["0.0.0.0/0"]
-  description       = "Allow Elasticache incoming access from anywhere"
+  description       = "Allow Redis incoming access from anywhere"
   from_port         = 6379
   protocol          = "tcp"
   security_group_id = aws_security_group.eks_cluster_workers.id

lib/aws/services/redis/main.j2.tf

@@ -0,0 +1,104 @@
+data "aws_vpc" "selected" {
+  filter {
+    name = "tag:ClusterId"
+    values = [var.eks_cluster_id]
+  }
+}
+
+data "aws_subnet_ids" "selected" {
+  vpc_id = data.aws_vpc.selected.id
+  filter {
+    name = "tag:ClusterId"
+    values = [var.eks_cluster_id]
+  }
+  filter {
+    name = "tag:Service"
+    values = ["Elasticache"]
+  }
+}
+
+data "aws_security_group" "selected" {
+  filter {
+    name = "tag:Name"
+    values = ["qovery-eks-workers"]
+  }
+  filter {
+    name   = "tag:kubernetes.io/cluster/${var.eks_cluster_id}"
+    values = ["owned"]
+  }
+}
+
+resource "helm_release" "elasticache_instance_external_name" {
+  name = "${aws_elasticache_cluster.elasticache_cluster.id}-externalname"
+  chart = "external-name-svc"
+  namespace = "{{namespace}}"
+  atomic = true
+  max_history = 50
+
+  set {
+    name = "target_hostname"
+    value = aws_elasticache_cluster.elasticache_cluster.cache_nodes.0.address
+  }
+
+  set {
+    name = "source_fqdn"
+    value = "{{database_fqdn}}"
+  }
+
+  set {
+    name = "app_id"
+    value = "{{database_id}}"
+  }
+
+  depends_on = [
+    aws_elasticache_cluster.elasticache_cluster
+  ]
+}
+
+resource "aws_elasticache_cluster" "elasticache_cluster" {
+  cluster_id = var.elasticache_identifier
+
+  tags = {
+    cluster_name = var.cluster_name
+    region = var.region
+    q_client_id = var.q_customer_id
+    q_environment_id = var.q_environment_id
+    q_project_id = var.q_project_id
+    database_identifier = var.elasticache_identifier
+    {% if resource_expiration_in_seconds is defined %}ttl = var.resource_expiration_in_seconds{% endif %}
+  }
+
+  # Elasticache instance basics
+  engine_version = var.elasticache_version
+  port = var.port
+
+  {%- if replication_group_id is defined %}
+  # todo: add cluster mode and replicas support
+  {%- else %}
+  engine = "redis"
+  node_type = var.instance_class
+  num_cache_nodes = var.elasticache_instances_number
+  parameter_group_name = var.parameter_group_name
+  {%- endif %}
+
+  {%- if snapshot is defined and snapshot["snapshot_id"] %}
+  # Snapshot
+  snapshot_name = var.snapshot_identifier
+  {%- endif %}
+
+  # Network
+  # WARNING: this value cna't get fetch from data sources and is linked to the bootstrap phase
+  subnet_group_name = "elasticache-${data.aws_vpc.selected.id}"
+
+  # Security
+  security_group_ids = data.aws_security_group.selected.*.id
+
+  # Maintenance and upgrades
+  apply_immediately = var.apply_changes_now
+  maintenance_window = var.preferred_maintenance_window
+
+  # Backups
+  snapshot_window = var.preferred_backup_window
+  snapshot_retention_limit = var.backup_retention_period
+
+}

lib/aws/services/redis/variables.j2.tf

@@ -0,0 +1,133 @@
+# Qovery
+
+variable "cluster_name" {
+  description = "Kubernetes cluster name"
+  default = "{{ cluster_name }}"
+  type = string
+}
+
+variable "region" {
+  description = "AWS region to store terraform state and lock"
+  default = "{{ region }}"
+  type = string
+}
+
+variable "eks_cluster_id" {
+  description = "Kubernetes cluster name with region"
+  default     = "{{ eks_cluster_id }}"
+  type        = string
+}
+
+variable "region_cluster_name" {
+  description = "AWS region to store terraform state and lock"
+  default = "{{ region }}-{{ cluster_name }}"
+  type = string
+}
+
+variable "q_project_id" {
+  description = "Qovery project ID"
+  default = "{{ project_id }}"
+  type = string
+}
+
+variable "q_customer_id" {
+  description = "Qovery customer ID"
+  default = "{{ owner_id }}"
+  type = string
+}
+
+variable "q_environment_id" {
+  description = "Qovery client environment"
+  default = "{{ environment_id }}"
+  type = string
+}
+
+# elasticache instance basics
+
+variable "elasticache_identifier" {
+  description = "Elasticache cluster name (Cluster identifier)"
+  default = "{{ fqdn_id }}"
+  type = string
+}
+
+variable "elasticache_version" {
+  description = "Elasticache version"
+  default = "{{ version }}"
+  type = string
+}
+
+variable "parameter_group_name" {
+  description = "Elasticache parameter group name"
+  default = "{% if version == 6 %}default.redis6.x{% else %}default.redis5.0{% endif %}"
+  type = string
+}
+
+variable "elasticache_instances_number" {
+  description = "Elasticache instance numbers"
+  default = 1
+  type = number
+}
+
+variable "port" {
+  description = "Elasticache instance port"
+  default = {{ database_port }}
+  type = number
+}
+
+variable "instance_class" {
+  description = "Type of instance: https://docs.aws.amazon.com/AmazonElastiCache/latest/red-ug/CacheNodes.SupportedTypes.html"
+  default = "{{database_instance_type}}"
+  type = string
+}
+
+# Upgrades
+
+variable "auto_minor_version_upgrade" {
+  description = "Indicates that minor engine upgrades will be applied automatically to the DB instance during the maintenance window"
+  default = true
+  type = bool
+}
+
+variable "apply_changes_now" {
+  description = "Apply changes now or during the during the maintenance window"
+  default = true
+  type = bool
+}
+
+variable "preferred_maintenance_window" {
+  description = "Maintenance window"
+  default = "Tue:02:00-Tue:04:00"
+  type = string
+}
+
+# Backups
+
+variable "backup_retention_period" {
+  description = "Backup rentention period"
+  default = 7
+  type = number
+}
+
+variable "preferred_backup_window" {
+  description = "Maintenance window"
+  default = "00:00-01:00"
+  type = string
+}
+
+{%- if snapshot is defined %}
+# Snapshots
+variable "snapshot_identifier" {
+  description = "Snapshot ID to restore"
+  default = "{{ snapshot['snapshot_id']}}"
+  type = string
+}
+{% endif %}
+
+{%- if resource_expiration_in_seconds is defined %}
+# Pleco ttl
+variable "resource_expiration_in_seconds" {
+  description = "Resource expiration in seconds"
+  default = {{ resource_expiration_in_seconds }}
+  type = number
+}
+{% endif %}

tests/aws/aws_databases.rs

@@ -825,14 +825,14 @@ fn redis_v6_deploy_a_working_environment() {
     test_redis_configuration(context, environment, "6.0");
 }
 
-// test Redis v3.6 with production environment (Elasticcache)
-// #[test]
-// #[ignore]
-// fn redis_v3_6_deploy_a_working_environment_with_production() {
-//     let context = context();
-//
-//     let mut environment = test_utilities::aws::working_minimal_environment(&context);
-//     environment.kind = Kind::Production;
-//
-//     test_redis_configuration(context, environment, "5.0");
-// }
+// test Redis 5.0 with production environment (Elasticcache)
+#[test]
+#[ignore]
+fn redis_v3_6_deploy_a_working_environment_with_production() {
+    let context = context();
+
+    let mut environment = test_utilities::aws::working_minimal_environment(&context);
+    environment.kind = Kind::Production;
+
+    test_redis_configuration(context, environment, "5.0");
+}