Merge pull request #9 from Patelvijaykumar/user-data

added user-dats support for ebs volume

Author: easyawslearn

ebs-with-userdata/ebs_volume.tf

@@ -0,0 +1,23 @@
+resource "aws_ebs_volume" "ebs_volume" {
+  availability_zone = "us-east-1a"
+  size              = 20
+  type              = "gp2"
+
+  tags = {
+    Name = "ebs-volume-terraform-demo"
+  }
+}
+
+resource "aws_volume_attachment" "ebc_volume_attachment" {
+  device_name = var.device_name
+  volume_id   = aws_ebs_volume.ebs_volume.id
+  instance_id = aws_instance.ebs_instance_example.id
+}
+
+data "template_file" "init" {
+  template = "${file("volume.sh")}"
+
+  vars = {
+    device_name = var.device_name
+  }
+}

ebs-with-userdata/instance.tf

@@ -0,0 +1,24 @@
+provider "aws" {
+  region     = "${var.region}"
+  version    = "~> 2.0"
+}
+
+
+resource "aws_instance" "ebs_instance_example" {
+  ami           = lookup(var.ami_id, var.region)
+  instance_type = var.instance_type
+  subnet_id     = aws_subnet.public_1.id
+
+  # Security group assign to instance
+  vpc_security_group_ids = [aws_security_group.allow_ssh.id]
+
+  # key name
+  key_name = var.key_name
+
+  user_data = data.template_file.init.rendered
+
+
+  tags = {
+    Name = "EBS with userdata"
+  }
+}

ebs-with-userdata/security_group.tf

@@ -0,0 +1,28 @@
+resource "aws_security_group" "allow_ssh" {
+  name        = "allow_SSH"
+  description = "Allow SSH inbound traffic"
+  vpc_id      = aws_vpc.vpc_demo.id
+
+  ingress {
+    # SSH Port 22 allowed from any IP
+    from_port   = 22
+    to_port     = 22
+    protocol    = "tcp"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
+    ingress {
+      # SSH Port 80 allowed from any IP
+      from_port   = 80
+      to_port     = 80
+      protocol    = "tcp"
+      cidr_blocks = ["0.0.0.0/0"]
+    }
+
+  egress {
+    from_port   = 0
+    to_port     = 0
+    protocol    = "-1"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+}

ebs-with-userdata/variables.tf

@@ -0,0 +1,60 @@
+variable "region" {
+  type    = "string"
+  default = "us-east-1"
+}
+variable "ami_id" {
+  type = "map"
+  default = {
+    us-east-1    = "ami-035b3c7efe6d061d5"
+    eu-west-2    = "ami-132b3c7efe6sdfdsfd"
+    eu-central-1 = "ami-9787h5h6nsn75gd33"
+  }
+}
+variable "instance_type" {
+  type    = "string"
+  default = "t2.micro"
+}
+
+variable "device_name" {
+  type    = "string"
+  default = "/dev/xvdh"
+}
+variable "key_name" {
+  type    = "string"
+  default = "ec2-demo"
+}
+
+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 "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     = true
+}
+
+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     = false
+}
+
+variable "tags" {
+  description = "A map of tags to add to all resources"
+  type        = string
+  default     = "Vpc-custom-demo"
+}

ebs-with-userdata/volume.sh

@@ -0,0 +1,4 @@
+#! /bin/bash
+sudo mkdir /data
+sudo mkfs.ext4 ${device_name}
+mount ${device_name} /data

ebs-with-userdata/vpc.tf

@@ -0,0 +1,48 @@
+resource "aws_vpc" "vpc_demo" {
+  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
+
+  tags = {
+    Name = var.tags
+  }
+}
+
+resource "aws_internet_gateway" "gw" {
+  vpc_id = aws_vpc.vpc_demo.id
+
+  tags = {
+    Name = "internet-gateway-demo"
+  }
+}
+
+resource "aws_subnet" "public_1" {
+  availability_zone       = "us-east-1a"
+  vpc_id                  = aws_vpc.vpc_demo.id
+  map_public_ip_on_launch = true
+  cidr_block              = "10.0.1.0/24"
+
+  tags = {
+    Name = "public_1-demo"
+  }
+}
+
+resource "aws_route_table" "route-public" {
+  vpc_id = aws_vpc.vpc_demo.id
+
+  route {
+    cidr_block = "10.0.0.0/0"
+    gateway_id = aws_internet_gateway.gw.id
+  }
+
+  tags = {
+    Name = "public-route-table-demo"
+  }
+}
+
+resource "aws_route_table_association" "public_1" {
+  subnet_id      = aws_subnet.public_1.id
+  route_table_id = aws_route_table.route-public.id
+}