Add some Terraform native examples (#325)

- AWS s3 exmples
- Backend examples

Signed-off-by: Zheng Xi Zhou <[email protected]>

examples/tf-native/aws/s3/main.tf

@@ -0,0 +1,26 @@
+resource "aws_s3_bucket" "bucket-acl" {
+  bucket = var.bucket
+  acl    = var.acl
+}
+
+output "RESOURCE_IDENTIFIER" {
+  description = "The identifier of the resource"
+  value       = aws_s3_bucket.bucket-acl.bucket_domain_name
+}
+
+output "BUCKET_NAME" {
+  value       = aws_s3_bucket.bucket-acl.bucket_domain_name
+  description = "The name of the S3 bucket"
+}
+
+variable "bucket" {
+  description = "S3 bucket name"
+  default     = "vela-website-2022-0614"
+  type        = string
+}
+
+variable "acl" {
+  description = "S3 bucket ACL"
+  default     = "private"
+  type        = string
+}

examples/tf-native/aws/vpc/README.md

@@ -0,0 +1,3 @@
+#vAWS VPC
+
+Based on the Terraform template in https://github.com/terraform-aws-modules/terraform-aws-vpc

examples/tf-native/aws/vpc/main.tf

@@ -0,0 +1,88 @@
+resource "aws_vpc" "this" {
+  count = var.create_vpc ? 1 : 0
+
+  cidr_block                       = var.cidr
+  instance_tenancy                 = var.instance_tenancy
+  enable_dns_hostnames             = var.enable_dns_hostnames
+  enable_dns_support               = var.enable_dns_support
+  enable_classiclink               = var.enable_classiclink
+  enable_classiclink_dns_support   = var.enable_classiclink_dns_support
+  assign_generated_ipv6_cidr_block = var.enable_ipv6
+
+  tags = merge(
+  { "Name" = var.name },
+  var.tags,
+  var.vpc_tags,
+  )
+}
+
+output "vpc_id" {
+  description = "The ID of the VPC"
+  value       = try(aws_vpc.this[0].id, "")
+}
+
+output "vpc_arn" {
+  description = "The ARN of the VPC"
+  value       = try(aws_vpc.this[0].arn, "")
+}
+
+output "vpc_cidr_block" {
+  description = "The CIDR block of the VPC"
+  value       = try(aws_vpc.this[0].cidr_block, "")
+}
+
+output "default_security_group_id" {
+  description = "The ID of the security group created by default on VPC creation"
+  value       = try(aws_vpc.this[0].default_security_group_id, "")
+}
+
+output "default_network_acl_id" {
+  description = "The ID of the default network ACL"
+  value       = try(aws_vpc.this[0].default_network_acl_id, "")
+}
+
+output "default_route_table_id" {
+  description = "The ID of the default route table"
+  value       = try(aws_vpc.this[0].default_route_table_id, "")
+}
+
+output "vpc_instance_tenancy" {
+  description = "Tenancy of instances spin up within VPC"
+  value       = try(aws_vpc.this[0].instance_tenancy, "")
+}
+
+output "vpc_enable_dns_support" {
+  description = "Whether or not the VPC has DNS support"
+  value       = try(aws_vpc.this[0].enable_dns_support, "")
+}
+
+output "vpc_enable_dns_hostnames" {
+  description = "Whether or not the VPC has DNS hostname support"
+  value       = try(aws_vpc.this[0].enable_dns_hostnames, "")
+}
+
+output "vpc_main_route_table_id" {
+  description = "The ID of the main route table associated with this VPC"
+  value       = try(aws_vpc.this[0].main_route_table_id, "")
+}
+
+output "vpc_ipv6_association_id" {
+  description = "The association ID for the IPv6 CIDR block"
+  value       = try(aws_vpc.this[0].ipv6_association_id, "")
+}
+
+output "vpc_ipv6_cidr_block" {
+  description = "The IPv6 CIDR block"
+  value       = try(aws_vpc.this[0].ipv6_cidr_block, "")
+}
+
+output "vpc_owner_id" {
+  description = "The ID of the AWS account that owns the VPC"
+  value       = try(aws_vpc.this[0].owner_id, "")
+}
+
+
+output "name" {
+  description = "The name of the VPC specified as argument to this module"
+  value       = var.name
+}

examples/tf-native/aws/vpc/variables.tf

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+variable "create_vpc" {
+  description = "Controls if VPC should be created (it affects almost all resources)"
+  type        = bool
+  default     = true
+}
+
+variable "name" {
+  description = "Name to be used on all the resources as identifier"
+  type        = string
+  default     = ""
+}
+
+variable "cidr" {
+  description = "The CIDR block for the VPC. Default value is a valid CIDR, but not acceptable by AWS and should be overridden"
+  type        = string
+  default     = "10.0.0.0/16"
+}
+
+variable "enable_ipv6" {
+  description = "Requests an Amazon-provided IPv6 CIDR block with a /56 prefix length for the VPC. You cannot specify the range of IP addresses, or the size of the CIDR block."
+  type        = bool
+  default     = false
+}
+
+variable "instance_tenancy" {
+  description = "A tenancy option for instances launched into the VPC"
+  type        = string
+  default     = "default"
+}
+
+variable "enable_dns_hostnames" {
+  description = "Should be true to enable DNS hostnames in the VPC"
+  type        = bool
+  default     = false
+}
+
+variable "enable_dns_support" {
+  description = "Should be true to enable DNS support in the VPC"
+  type        = bool
+  default     = true
+}
+
+variable "enable_classiclink" {
+  description = "Should be true to enable ClassicLink for the VPC. Only valid in regions and accounts that support EC2 Classic."
+  type        = bool
+  default     = null
+}
+
+variable "enable_classiclink_dns_support" {
+  description = "Should be true to enable ClassicLink DNS Support for the VPC. Only valid in regions and accounts that support EC2 Classic."
+  type        = bool
+  default     = null
+}
+
+variable "tags" {
+  description = "A map of tags to add to all resources"
+  type        = map(string)
+  default     = {}
+}
+
+variable "vpc_tags" {
+  description = "Additional tags for the VPC"
+  type        = map(string)
+  default     = {}
+}

examples/tf-native/backends/s3/main.tf

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+terraform {
+  backend "s3" {
+    bucket = "tf-state-poc-0608"
+    key    = "sss"
+    region = "us-east-1"
+  }
+}
+
+
+resource "random_id" "server" {
+  byte_length = 8
+}
+
+output "random_id" {
+  value = random_id.server.hex
+}