aws infra: add ec2, rds, vpc

11 files changed, 320 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..4220221
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,32 @@
+.idea/
+aws-rc
+connect_mysql.sh
+# Local .terraform directories
+**/.terraform/*
+
+# .tfstate files
+*.tfstate
+*.tfstate.*
+
+# Crash log files
+crash.log
+
+# Ignore any .tfvars files that are generated automatically for each Terraform run. Most
+# .tfvars files are managed as part of configuration and so should be included in
+# version control.
+#
+# example.tfvars
+
+# Ignore override files as they are usually used to override resources locally and so
+# are not checked in
+override.tf
+override.tf.json
+*_override.tf
+*_override.tf.json
+
+# Include override files you do wish to add to version control using negated pattern
+#
+# !example_override.tf
+
+# Include tfplan files to ignore the plan output of command: terraform plan -out=tfplan
+# example: *tfplan*
diff --git a/jinwei.me/infra/.terraform.lock.hcl b/jinwei.me/infra/.terraform.lock.hcl
new file mode 100644
index 0000000..92b4d9c
--- /dev/null
+++ b/jinwei.me/infra/.terraform.lock.hcl
@@ -0,0 +1,44 @@
+# This file is maintained automatically by "terraform init".
+# Manual edits may be lost in future updates.
+
+provider "registry.terraform.io/hashicorp/aws" {
+  version     = "4.46.0"
+  constraints = "~> 4.46"
+  hashes = [
+    "h1:EZB4OgvytV38JpWyye9zoMQ0bfT9yB9xSXM5NY3Lrws=",
+    "zh:1678e6a4bdb3d81a6713adc62ca0fdb8250c584e10c10d1daca72316e9db8df2",
+    "zh:329903acf86ef6072502736dff4c43c2b50f762a958f76aa924e2d74c7fca1e3",
+    "zh:33db8131fe0ec7e1d9f30bc9f65c2440e9c1f708d681b6062757a351f1df7ce6",
+    "zh:3a3b010bc393784c16f4b6cdce7f76db93d5efa323fce4920bfea9e9ba6abe44",
+    "zh:979e2713a5759a7483a065e149e3cb69db9225326fc0457fa3fc3a48aed0c63f",
+    "zh:9b12af85486a96aedd8d7984b0ff811a4b42e3d88dad1a3fb4c0b580d04fa425",
+    "zh:9efcf0067e16ad53da7504178a05eb2118770b4ae00c193c10ecad4cbfce308e",
+    "zh:a10655bf1b6376ab7f3e55efadf54dc70f7bd07ca11369557c312095076f9d62",
+    "zh:b0394dd42cbd2a718a7dd7ae0283f04769aaf8b3d52664e141da59c0171a11ab",
+    "zh:b958e614c2cf6d9c05a6ad5e94dc5c04b97ebfb84415da068be5a081b5ebbe24",
+    "zh:ba5069e624210c63ad9e633a8eb0108b21f2322bc4967ba2b82d09168c466888",
+    "zh:d7dfa597a17186e7f4d741dd7111849f1c0dd6f7ebc983043d8262d2fb37b408",
+    "zh:e8a641ca2c99f96d64fa2725875e797273984981d3e54772a2823541c44e3cd3",
+    "zh:f89898b7067c4246293a8007f59f5cfcac7b8dd251d39886c7a53ba596251466",
+    "zh:fb1e1df1d5cc208e08a850f8e84423bce080f01f5e901791c79df369d3ed52f2",
+  ]
+}
+
+provider "registry.terraform.io/hashicorp/random" {
+  version = "3.4.3"
+  hashes = [
+    "h1:xZGZf18JjMS06pFa4NErzANI98qi59SEcBsOcS2P2yQ=",
+    "zh:41c53ba47085d8261590990f8633c8906696fa0a3c4b384ff6a7ecbf84339752",
+    "zh:59d98081c4475f2ad77d881c4412c5129c56214892f490adf11c7e7a5a47de9b",
+    "zh:686ad1ee40b812b9e016317e7f34c0d63ef837e084dea4a1f578f64a6314ad53",
+    "zh:78d5eefdd9e494defcb3c68d282b8f96630502cac21d1ea161f53cfe9bb483b3",
+    "zh:84103eae7251384c0d995f5a257c72b0096605048f757b749b7b62107a5dccb3",
+    "zh:8ee974b110adb78c7cd18aae82b2729e5124d8f115d484215fd5199451053de5",
+    "zh:9dd4561e3c847e45de603f17fa0c01ae14cae8c4b7b4e6423c9ef3904b308dda",
+    "zh:bb07bb3c2c0296beba0beec629ebc6474c70732387477a65966483b5efabdbc6",
+    "zh:e891339e96c9e5a888727b45b2e1bb3fcbdfe0fd7c5b4396e4695459b38c8cb1",
+    "zh:ea4739860c24dfeaac6c100b2a2e357106a89d18751f7693f3c31ecf6a996f8d",
+    "zh:f0c76ac303fd0ab59146c39bc121c5d7d86f878e9a69294e29444d4c653786f8",
+    "zh:f143a9a5af42b38fed328a161279906759ff39ac428ebcfe55606e05e1518b93",
+  ]
+}
diff --git a/jinwei.me/infra/data.tf b/jinwei.me/infra/data.tf
new file mode 100644
index 0000000..2102273
--- /dev/null
+++ b/jinwei.me/infra/data.tf
@@ -0,0 +1,11 @@
+data "aws_ami" "debian" {
+  most_recent = true
+  owners      = ["136693071363"]
+
+  filter {
+    name   = "name"
+    values = ["debian-11-amd64-*"]
+  }
+}
+
+data "aws_availability_zones" "available" {}
diff --git a/jinwei.me/infra/keypair.tf b/jinwei.me/infra/keypair.tf
new file mode 100644
index 0000000..a73a0af
--- /dev/null
+++ b/jinwei.me/infra/keypair.tf
@@ -0,0 +1,4 @@
+resource "aws_key_pair" "framework" {
+  key_name   = "framework"
+  public_key = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILS2i5/x9r+cv2j2/SUZ2x2fgQeGnJP1I7PUHC0UdWN6 framework"
+}
diff --git a/jinwei.me/infra/main.tf b/jinwei.me/infra/main.tf
new file mode 100644
index 0000000..235aba0
--- /dev/null
+++ b/jinwei.me/infra/main.tf
@@ -0,0 +1,44 @@
+locals {
+  name = var.name
+}
+
+data "aws_subnet" "ec2" {
+  filter {
+    name   = "availability-zone"
+    values = [aws_db_instance.jinwei-me.availability_zone]
+  }
+  filter {
+    name   = "subnet-id"
+    values = module.vpc.public_subnets
+  }
+}
+
+resource "aws_instance" "jinwei_me" {
+  ami           = data.aws_ami.debian.id
+  instance_type = var.ec2_instance_type
+
+  subnet_id = data.aws_subnet.ec2.id
+  key_name  = "framework"
+
+  vpc_security_group_ids = [aws_security_group.backend.id]
+
+  root_block_device {
+    volume_type = "gp3"
+    tags = {
+      Name = "${local.name}-root"
+    }
+  }
+
+  tags = {
+    Name = local.name
+  }
+
+  lifecycle {
+    ignore_changes = [ami]
+  }
+}
+
+resource "aws_eip" "main" {
+  instance = aws_instance.jinwei_me.id
+}
+
diff --git a/jinwei.me/infra/outputs.tf b/jinwei.me/infra/outputs.tf
new file mode 100644
index 0000000..3537e02
--- /dev/null
+++ b/jinwei.me/infra/outputs.tf
@@ -0,0 +1,29 @@
+output "rds_hostname" {
+  description = "RDS instance hostname"
+  value       = aws_db_instance.jinwei-me.address
+}
+
+output "rds_port" {
+  description = "RDS instance port"
+  value       = aws_db_instance.jinwei-me.port
+}
+
+output "rds_username" {
+  description = "RDS instance username"
+  value       = aws_db_instance.jinwei-me.username
+}
+
+output "rds_password" {
+  description = "RDS instance password"
+  value       = random_password.mysql_password.result
+  sensitive   = true
+}
+
+output "instance" {
+  description = "The main EC2 instance."
+  value = {
+    arn        = aws_instance.jinwei_me.arn
+    public_ip  = aws_eip.main.public_ip
+    private_ip = aws_instance.jinwei_me.private_ip
+  }
+}
diff --git a/jinwei.me/infra/rds.tf b/jinwei.me/infra/rds.tf
new file mode 100644
index 0000000..6565332
--- /dev/null
+++ b/jinwei.me/infra/rds.tf
@@ -0,0 +1,26 @@
+
+resource "aws_db_parameter_group" "jinwei-me" {
+  name   = var.name
+  family = var.rds_parameter_group
+}
+
+resource "aws_db_instance" "jinwei-me" {
+  identifier             = var.name
+  instance_class         = var.rds_instance_class
+  allocated_storage      = var.rds_storage
+  engine                 = var.rds_engine
+  engine_version         = var.rds_engine_version
+  username               = var.rds_username
+  password               = random_password.mysql_password.result
+  port                   = var.rds_port
+  db_subnet_group_name   = aws_db_subnet_group.jinwei-me.name
+  vpc_security_group_ids = [aws_security_group.rds.id]
+  parameter_group_name   = aws_db_parameter_group.jinwei-me.name
+  publicly_accessible    = true
+  skip_final_snapshot    = true
+}
+
+resource "random_password" "mysql_password" {
+  length  = 16
+  special = false
+}
diff --git a/jinwei.me/infra/sg.tf b/jinwei.me/infra/sg.tf
new file mode 100644
index 0000000..4d5ecaa
--- /dev/null
+++ b/jinwei.me/infra/sg.tf
@@ -0,0 +1,38 @@
+# EC 2
+resource "aws_security_group" "backend" {
+  name   = local.name
+  vpc_id = module.vpc.vpc_id
+}
+
+resource "aws_security_group_rule" "backend_ingress_ssh" {
+  security_group_id = aws_security_group.backend.id
+  type              = "ingress"
+  protocol          = "tcp"
+  from_port         = 22
+  to_port           = 22
+  cidr_blocks       = ["0.0.0.0/0"]
+}
+
+resource "aws_security_group_rule" "backend_egress_all" {
+  security_group_id = aws_security_group.backend.id
+  type              = "egress"
+  protocol          = "all"
+  from_port         = 0
+  to_port           = 0
+  cidr_blocks       = ["0.0.0.0/0"]
+}
+
+# RDS
+resource "aws_security_group" "rds" {
+  name   = "${local.name}-db"
+  vpc_id = module.vpc.vpc_id
+}
+
+resource "aws_security_group_rule" "db_ingress_backend" {
+  security_group_id        = aws_security_group.rds.id
+  type                     = "ingress"
+  protocol                 = "tcp"
+  from_port                = var.rds_port
+  to_port                  = var.rds_port
+  source_security_group_id = aws_security_group.backend.id
+}
diff --git a/jinwei.me/infra/variables.tf b/jinwei.me/infra/variables.tf
new file mode 100644
index 0000000..6745915
--- /dev/null
+++ b/jinwei.me/infra/variables.tf
@@ -0,0 +1,53 @@
+provider "aws" {
+  region = var.region
+}
+
+variable "name" {
+  description = "Name of the service. It will be used to name EC2, and RDS instances."
+  default     = "jinwei-me"
+}
+
+variable "region" {
+  default     = "us-west-2"
+  description = "AWS region"
+}
+
+
+# RDS
+variable "rds_instance_class" {
+  default = "db.t3.micro"
+}
+
+variable "rds_storage" {
+  default = 20
+}
+
+variable "rds_username" {
+  default = "jinweime"
+}
+
+variable "rds_engine" {
+  default = "mariadb"
+}
+
+variable "rds_engine_version" {
+  default = "10.6"
+}
+
+variable "rds_parameter_group" {
+  default = "mariadb10.6"
+}
+
+variable "rds_port" {
+  default = 33060
+}
+
+# EC 2
+variable "ec2_instance_type" {
+  default = "t2.micro"
+}
+
+#variable "ec2_key_name" {
+#  description = "Name of key pair to log into the EC2 instance. The key pair must already exist."
+#  type        = string
+#}
diff --git a/jinwei.me/infra/versions.tf b/jinwei.me/infra/versions.tf
new file mode 100644
index 0000000..2ff0472
--- /dev/null
+++ b/jinwei.me/infra/versions.tf
@@ -0,0 +1,8 @@
+terraform {
+  required_providers {
+    aws = {
+      source  = "hashicorp/aws"
+      version = "~> 4.46"
+    }
+  }
+}
diff --git a/jinwei.me/infra/vpc.tf b/jinwei.me/infra/vpc.tf
new file mode 100644
index 0000000..834f0ec
--- /dev/null
+++ b/jinwei.me/infra/vpc.tf
@@ -0,0 +1,31 @@
+locals {
+  cidr_block    = "10.31.0.0/16"
+  subnets       = cidrsubnets(local.cidr_block, 4, 4, 4, 4, 4, 4)
+  subnet_groups = chunklist(local.subnets, 3)
+}
+
+module "vpc" {
+  source  = "terraform-aws-modules/vpc/aws"
+  version = "3.18.1"
+
+  name                 = local.name
+  cidr                 = local.cidr_block
+  azs                  = data.aws_availability_zones.available.names
+  private_subnets      = local.subnet_groups[0]
+  public_subnets       = local.subnet_groups[1]
+  enable_dns_hostnames = true
+  enable_dns_support   = true
+  enable_nat_gateway   = false
+  single_nat_gateway   = true
+}
+
+
+
+resource "aws_db_subnet_group" "jinwei-me" {
+  name       = var.name
+  subnet_ids = module.vpc.public_subnets
+
+  tags = {
+    Name = var.name
+  }
+}