Terraform AWS RDS Cluster 项目教程

Terraform AWS RDS Cluster 项目教程

terraform-aws-rds-cluster Terraform module to provision an RDS Aurora cluster for MySQL or Postgres 项目地址: https://gitcode.com/gh_mirrors/te/terraform-aws-rds-cluster

1. 项目目录结构及介绍

terraform-aws-rds-cluster/
├── docs/
│   └── README.md
├── examples/
│   └── complete/
│       └── main.tf
├── test/
│   └── test.bats
├── .gitignore
├── LICENSE
├── Makefile
├── README.md
├── README.yaml
├── context.tf
├── enhanced-monitoring.tf
├── main.tf
├── outputs.tf
├── variables.tf
└── versions.tf

目录结构说明

• docs/: 存放项目的文档文件，如 README.md。
• examples/: 存放项目的示例代码，complete/ 目录下包含一个完整的 Terraform 配置示例。
• test/: 存放项目的测试脚本，如 test.bats。
• .gitignore: Git 忽略文件配置。
• LICENSE: 项目的开源许可证文件。
• Makefile: 项目的 Makefile 文件，用于自动化构建和测试。
• README.md: 项目的 README 文件，包含项目的基本介绍和使用说明。
• README.yaml: 项目的 YAML 格式的 README 文件。
• context.tf: Terraform 上下文配置文件。
• enhanced-monitoring.tf: 增强监控配置文件。
• main.tf: 项目的主配置文件。
• outputs.tf: Terraform 输出配置文件。
• variables.tf: Terraform 变量配置文件。
• versions.tf: Terraform 版本配置文件。

2. 项目的启动文件介绍

main.tf

main.tf 是 Terraform 项目的主配置文件，包含了 RDS Aurora 集群的定义和配置。以下是一个基本的示例：

module "rds_cluster_aurora_postgres" {
  source = "cloudposse/rds-cluster/aws"
  name   = "postgres"
  engine = "aurora-postgresql"
  cluster_family = "aurora-postgresql9.6"
  cluster_size  = 2
  namespace    = "eg"
  stage        = "dev"
  admin_user   = "admin1"
  admin_password = "Test123456789"
  db_name      = "dbname"
  db_port      = 5432
  instance_type = "db.r4.large"
  vpc_id       = "vpc-xxxxxxxx"
  security_groups = ["sg-xxxxxxxx"]
  subnets      = ["subnet-xxxxxxxx", "subnet-xxxxxxxx"]
  zone_id      = "Zxxxxxxxx"
}

启动步骤

1. 初始化 Terraform: 在项目根目录下运行 terraform init，初始化 Terraform 环境。
2. 应用配置: 运行 terraform apply，应用 Terraform 配置，创建 RDS Aurora 集群。

3. 项目的配置文件介绍

variables.tf

variables.tf 文件定义了 Terraform 项目中使用的变量。以下是一个示例：

variable "name" {
  description = "The name of the RDS cluster"
  type        = string
}

variable "engine" {
  description = "The database engine to use"
  type        = string
}

variable "cluster_family" {
  description = "The family of the DB cluster parameter group"
  type        = string
}

variable "cluster_size" {
  description = "The number of instances in the cluster"
  type        = number
}

variable "namespace" {
  description = "Namespace (e.g. `eg` or `cp`)"
  type        = string
}

variable "stage" {
  description = "Stage (e.g. `prod`, `dev`, `staging`)"
  type        = string
}

variable "admin_user" {
  description = "The master username for the database"
  type        = string
}

variable "admin_password" {
  description = "The master password for the database"
  type        = string
}

variable "db_name" {
  description = "The name of the database"
  type        = string
}

variable "db_port" {
  description = "The port on which the DB accepts connections"
  type        = number
}

variable "instance_type" {
  description = "The instance type to use for the RDS instances"
  type        = string
}

variable "vpc_id" {
  description = "The VPC ID to deploy the RDS cluster in"
  type        = string
}

variable "security_groups" {
  description = "A list of security group IDs to associate with the RDS cluster"
  type        = list(string)
}

variable "subnets" {
  description = "A list of subnet IDs to deploy the RDS cluster in"
  type        = list(string)
}

variable "zone_id" {
  description = "The ID of the Route53 zone to create the DNS records in"
  type        = string
}

outputs.tf

outputs.tf 文件定义了 Terraform 项目的输出变量。以下是一个示例：

output "rds_cluster_endpoint" {
  description = "The endpoint of the RDS cluster"
  value       = module.rds_cluster_aurora_postgres.endpoint
}

output "rds_cluster_reader_endpoint" {
  description = "The reader endpoint of the RDS cluster"
  value       = module.rds_cluster_aurora_postgres.reader_endpoint
}

output "rds_cluster_id" {
  description = "The ID of the RDS cluster"
  value       = module.rds_cluster_aurora_postgres.id
}

versions.tf

versions.tf 文件定义了 Terraform 和 Provider 的版本要求。以下是一个示例：

terraform {
  required_version = ">= 1.0.0"

  required_providers {
    aws = {
      source  = "hashicorp/aws"
      version = ">= 4.23.0"
    }
    null = {
      source  = "hashicorp/null"
      version = ">= 2.0"
    }
    random = {
      source  = "hashicorp/random"
      version = ">= 2.0"
    }
  }
}

通过以上配置文件，可以灵活地定义和部署 AWS RDS Aurora 集群。

terraform-aws-rds-cluster Terraform module to provision an RDS Aurora cluster for MySQL or Postgres 项目地址: https://gitcode.com/gh_mirrors/te/terraform-aws-rds-cluster