Added Microsoft SQL Server example (#79)

Co-authored-by: Joe Niland <joe@originalmind.com.au>
Co-authored-by: actions-bot <58130806+actions-bot@users.noreply.github.com>

Author: 3 people

examples/mssql/fixtures.us-east-2.tfvars

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+region = "us-east-2"
+
+availability_zones = ["us-east-2a","us-east-2b"]
+
+namespace = "eg"
+
+stage = "test"
+
+name = "rds-mssql"
+
+deletion_protection = false
+
+database_name = null
+
+database_user = "admin"
+
+database_password = "admin_password"
+
+database_port = 1433
+
+multi_az = false
+
+storage_type = "standard"
+
+storage_encrypted = false
+
+allocated_storage = 20
+
+# Microsoft SQL Server on Amazon RDS
+# https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/CHAP_SQLServer.html
+engine = "sqlserver-ex"
+
+# https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/CHAP_SQLServer.html#SQLServer.Concepts.General.VersionSupport
+engine_version = "14.00.1000.169.v1"
+
+#major_engine_version = "5.7"
+major_engine_version = "14.00.1000.169.v1"
+
+instance_class = "db.t2.small"
+
+#db_parameter_group = "mysql5.7"
+db_parameter_group = "sqlserver-ex-14.0"
+
+publicly_accessible = false
+
+apply_immediately = true

examples/mssql/main.tf

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+provider "aws" {
+  region = var.region
+}
+
+module "vpc" {
+  source     = "git::https://github.com/cloudposse/terraform-aws-vpc.git?ref=tags/0.7.0"
+  namespace  = var.namespace
+  stage      = var.stage
+  name       = var.name
+  cidr_block = "172.16.0.0/16"
+}
+
+module "subnets" {
+  source               = "git::https://github.com/cloudposse/terraform-aws-dynamic-subnets.git?ref=tags/0.16.0"
+  availability_zones   = var.availability_zones
+  namespace            = var.namespace
+  stage                = var.stage
+  name                 = var.name
+  vpc_id               = module.vpc.vpc_id
+  igw_id               = module.vpc.igw_id
+  cidr_block           = module.vpc.vpc_cidr_block
+  nat_gateway_enabled  = false
+  nat_instance_enabled = false
+}
+
+module "rds_instance" {
+  source              = "../../"
+  namespace           = var.namespace
+  stage               = var.stage
+  name                = var.name
+  database_name       = var.database_name
+  database_user       = var.database_user
+  database_password   = var.database_password
+  database_port       = var.database_port
+  multi_az            = var.multi_az
+  storage_type        = var.storage_type
+  allocated_storage   = var.allocated_storage
+  storage_encrypted   = var.storage_encrypted
+  engine              = var.engine
+  engine_version      = var.engine_version
+  instance_class      = var.instance_class
+  db_parameter_group  = var.db_parameter_group
+  
+  publicly_accessible = var.publicly_accessible
+  allowed_cidr_blocks = ["172.16.0.0/16"]
+  vpc_id              = module.vpc.vpc_id
+  subnet_ids          = module.subnets.private_subnet_ids
+  security_group_ids  = [module.vpc.vpc_default_security_group_id]
+  apply_immediately   = var.apply_immediately
+
+}

examples/mssql/outputs.tf

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+output "instance_id" {
+  value       = module.rds_instance.instance_id
+  description = "ID of the instance"
+}
+
+output "instance_address" {
+  value       = module.rds_instance.instance_address
+  description = "Address of the instance"
+}
+
+output "instance_endpoint" {
+  value       = module.rds_instance.instance_endpoint
+  description = "DNS Endpoint of the instance"
+}
+
+output "subnet_group_id" {
+  value       = module.rds_instance.subnet_group_id
+  description = "ID of the Subnet Group"
+}
+
+output "security_group_id" {
+  value       = module.rds_instance.security_group_id
+  description = "ID of the Security Group"
+}
+
+output "parameter_group_id" {
+  value       = module.rds_instance.parameter_group_id
+  description = "ID of the Parameter Group"
+}
+
+output "option_group_id" {
+  value       = module.rds_instance.option_group_id
+  description = "ID of the Option Group"
+}
+
+output "hostname" {
+  value       = module.rds_instance.hostname
+  description = "DNS host name of the instance"
+}
+
+output "public_subnet_cidrs" {
+  value = module.subnets.public_subnet_cidrs
+}
+
+output "private_subnet_cidrs" {
+  value = module.subnets.private_subnet_cidrs
+}
+
+output "vpc_cidr" {
+  value = module.vpc.vpc_cidr_block
+}

examples/mssql/variables.tf

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+variable "region" {
+  type        = string
+  description = "AWS region"
+}
+
+variable "availability_zones" {
+  type = list(string)
+}
+
+variable "namespace" {
+  type        = string
+  description = "Namespace (e.g. `eg` or `cp`)"
+}
+
+variable "stage" {
+  type        = string
+  description = "Stage (e.g. `prod`, `dev`, `staging`, `infra`)"
+}
+
+variable "name" {
+  type        = string
+  description = "Name  (e.g. `app` or `cluster`)"
+}
+
+variable "database_name" {
+  type        = string
+  description = "The name of the database to create when the DB instance is created"
+}
+
+variable "database_user" {
+  type        = string
+  description = "Username for the master DB user"
+}
+
+variable "database_password" {
+  type        = string
+  description = "Password for the master DB user"
+}
+
+variable "database_port" {
+  type        = number
+  description = "Database port (_e.g._ `3306` for `MySQL`). Used in the DB Security Group to allow access to the DB instance from the provided `security_group_ids`"
+}
+
+variable "deletion_protection" {
+  type        = bool
+  description = "Set to true to enable deletion protection on the RDS instance"
+}
+
+variable "multi_az" {
+  type        = bool
+  description = "Set to true if multi AZ deployment must be supported"
+}
+
+variable "storage_type" {
+  type        = string
+  description = "One of 'standard' (magnetic), 'gp2' (general purpose SSD), or 'io1' (provisioned IOPS SSD)"
+}
+
+variable "storage_encrypted" {
+  type        = bool
+  description = "(Optional) Specifies whether the DB instance is encrypted. The default is false if not specified"
+}
+
+variable "allocated_storage" {
+  type        = number
+  description = "The allocated storage in GBs"
+}
+
+variable "engine" {
+  type        = string
+  description = "Database engine type"
+  # http://docs.aws.amazon.com/cli/latest/reference/rds/create-db-instance.html
+  # - mysql
+  # - postgres
+  # - oracle-*
+  # - sqlserver-*
+}
+
+variable "engine_version" {
+  type        = string
+  description = "Database engine version, depends on engine type"
+  # http://docs.aws.amazon.com/cli/latest/reference/rds/create-db-instance.html
+}
+
+variable "major_engine_version" {
+  type        = string
+  description = "Database MAJOR engine version, depends on engine type"
+  # https://docs.aws.amazon.com/cli/latest/reference/rds/create-option-group.html
+}
+
+variable "instance_class" {
+  type        = string
+  description = "Class of RDS instance"
+  # https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Concepts.DBInstanceClass.html
+}
+
+variable "db_parameter_group" {
+  type        = string
+  description = "Parameter group, depends on DB engine used"
+  # "mysql5.6"
+  # "postgres9.5"
+}
+
+variable "publicly_accessible" {
+  type        = bool
+  description = "Determines if database can be publicly available (NOT recommended)"
+}
+
+variable "apply_immediately" {
+  type        = bool
+  description = "Specifies whether any database modifications are applied immediately, or during the next maintenance window"
+}
+
+variable "subnet_ids" {
+  description = "A list of VPC subnet IDs"
+  default     = []
+  type        = list(string)
+}
+
+variable "security_group_ids" {
+  description = "List of VPC security groups to associate"
+  default     = []
+  type        = list(string)
+}
+
+variable "vpc_id" {
+  type        = string
+  default     = ""
+  description = "VPC ID the DB instance will be created in"
+}
+