mirror of
https://github.com/farcasclaudiu/terraform-course.git
synced 2026-06-22 07:01:56 +03:00
+15
-15
@@ -1,25 +1,25 @@
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resource "aws_launch_configuration" "example-launchconfig" {
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name_prefix = "example-launchconfig"
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image_id = "${lookup(var.AMIS, var.AWS_REGION)}"
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instance_type = "t2.micro"
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key_name = "${aws_key_pair.mykeypair.key_name}"
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security_groups = ["${aws_security_group.allow-ssh.id}"]
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name_prefix = "example-launchconfig"
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image_id = var.AMIS[var.AWS_REGION]
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instance_type = "t2.micro"
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key_name = aws_key_pair.mykeypair.key_name
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security_groups = [aws_security_group.allow-ssh.id]
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}
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resource "aws_autoscaling_group" "example-autoscaling" {
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name = "example-autoscaling"
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vpc_zone_identifier = ["${aws_subnet.main-public-1.id}", "${aws_subnet.main-public-2.id}"]
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launch_configuration = "${aws_launch_configuration.example-launchconfig.name}"
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min_size = 1
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max_size = 2
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name = "example-autoscaling"
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vpc_zone_identifier = [aws_subnet.main-public-1.id, aws_subnet.main-public-2.id]
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launch_configuration = aws_launch_configuration.example-launchconfig.name
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min_size = 1
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max_size = 2
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health_check_grace_period = 300
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health_check_type = "EC2"
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force_delete = true
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health_check_type = "EC2"
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force_delete = true
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tag {
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key = "Name"
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value = "ec2 instance"
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propagate_at_launch = true
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key = "Name"
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value = "ec2 instance"
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propagate_at_launch = true
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}
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}
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@@ -2,7 +2,7 @@
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resource "aws_autoscaling_policy" "example-cpu-policy" {
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name = "example-cpu-policy"
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autoscaling_group_name = "${aws_autoscaling_group.example-autoscaling.name}"
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autoscaling_group_name = aws_autoscaling_group.example-autoscaling.name
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adjustment_type = "ChangeInCapacity"
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scaling_adjustment = "1"
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cooldown = "300"
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@@ -21,17 +21,17 @@ resource "aws_cloudwatch_metric_alarm" "example-cpu-alarm" {
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threshold = "30"
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dimensions = {
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"AutoScalingGroupName" = "${aws_autoscaling_group.example-autoscaling.name}"
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"AutoScalingGroupName" = aws_autoscaling_group.example-autoscaling.name
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}
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actions_enabled = true
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alarm_actions = ["${aws_autoscaling_policy.example-cpu-policy.arn}"]
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alarm_actions = [aws_autoscaling_policy.example-cpu-policy.arn]
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}
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# scale down alarm
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resource "aws_autoscaling_policy" "example-cpu-policy-scaledown" {
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name = "example-cpu-policy-scaledown"
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autoscaling_group_name = "${aws_autoscaling_group.example-autoscaling.name}"
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autoscaling_group_name = aws_autoscaling_group.example-autoscaling.name
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adjustment_type = "ChangeInCapacity"
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scaling_adjustment = "-1"
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cooldown = "300"
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@@ -50,9 +50,10 @@ resource "aws_cloudwatch_metric_alarm" "example-cpu-alarm-scaledown" {
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threshold = "5"
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dimensions = {
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"AutoScalingGroupName" = "${aws_autoscaling_group.example-autoscaling.name}"
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"AutoScalingGroupName" = aws_autoscaling_group.example-autoscaling.name
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}
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actions_enabled = true
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alarm_actions = ["${aws_autoscaling_policy.example-cpu-policy-scaledown.arn}"]
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alarm_actions = [aws_autoscaling_policy.example-cpu-policy-scaledown.arn]
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}
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+4
-3
@@ -1,7 +1,8 @@
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resource "aws_key_pair" "mykeypair" {
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key_name = "mykeypair"
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public_key = "${file("${var.PATH_TO_PUBLIC_KEY}")}"
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key_name = "mykeypair"
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public_key = file(var.PATH_TO_PUBLIC_KEY)
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lifecycle {
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ignore_changes = ["public_key"]
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ignore_changes = [public_key]
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}
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}
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+3
-2
@@ -1,3 +1,4 @@
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provider "aws" {
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region = "${var.AWS_REGION}"
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provider "aws" {
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region = var.AWS_REGION
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}
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+13
-12
@@ -1,21 +1,22 @@
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resource "aws_security_group" "allow-ssh" {
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vpc_id = "${aws_vpc.main.id}"
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name = "allow-ssh"
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vpc_id = aws_vpc.main.id
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name = "allow-ssh"
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description = "security group that allows ssh and all egress traffic"
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egress {
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from_port = 0
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to_port = 0
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protocol = "-1"
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cidr_blocks = ["0.0.0.0/0"]
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from_port = 0
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to_port = 0
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protocol = "-1"
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cidr_blocks = ["0.0.0.0/0"]
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}
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ingress {
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from_port = 22
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to_port = 22
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protocol = "tcp"
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cidr_blocks = ["0.0.0.0/0"]
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}
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tags {
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from_port = 22
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to_port = 22
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protocol = "tcp"
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cidr_blocks = ["0.0.0.0/0"]
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}
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tags = {
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Name = "allow-ssh"
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}
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}
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@@ -1,5 +1,4 @@
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# Uncomment if you want to have autoscaling notifications
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#resource "aws_sns_topic" "example-sns" {
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# name = "sg-sns"
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# display_name = "example ASG SNS topic"
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+5
-1
@@ -1,17 +1,21 @@
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variable "AWS_REGION" {
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default = "eu-west-1"
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}
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variable "PATH_TO_PRIVATE_KEY" {
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default = "mykey"
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}
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variable "PATH_TO_PUBLIC_KEY" {
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default = "mykey.pub"
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}
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variable "AMIS" {
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type = "map"
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type = map(string)
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default = {
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us-east-1 = "ami-13be557e"
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us-west-2 = "ami-06b94666"
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eu-west-1 = "ami-844e0bf7"
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}
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}
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@@ -0,0 +1,4 @@
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terraform {
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required_version = ">= 0.12"
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}
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+77
-70
@@ -1,110 +1,117 @@
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# Internet VPC
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resource "aws_vpc" "main" {
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cidr_block = "10.0.0.0/16"
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instance_tenancy = "default"
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enable_dns_support = "true"
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enable_dns_hostnames = "true"
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enable_classiclink = "false"
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tags {
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Name = "main"
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}
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cidr_block = "10.0.0.0/16"
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instance_tenancy = "default"
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enable_dns_support = "true"
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enable_dns_hostnames = "true"
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enable_classiclink = "false"
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tags = {
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Name = "main"
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}
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}
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# Subnets
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resource "aws_subnet" "main-public-1" {
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vpc_id = "${aws_vpc.main.id}"
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cidr_block = "10.0.1.0/24"
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map_public_ip_on_launch = "true"
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availability_zone = "eu-west-1a"
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vpc_id = aws_vpc.main.id
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cidr_block = "10.0.1.0/24"
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map_public_ip_on_launch = "true"
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availability_zone = "eu-west-1a"
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tags {
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Name = "main-public-1"
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}
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tags = {
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Name = "main-public-1"
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}
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}
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resource "aws_subnet" "main-public-2" {
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vpc_id = "${aws_vpc.main.id}"
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cidr_block = "10.0.2.0/24"
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map_public_ip_on_launch = "true"
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availability_zone = "eu-west-1b"
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vpc_id = aws_vpc.main.id
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cidr_block = "10.0.2.0/24"
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map_public_ip_on_launch = "true"
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availability_zone = "eu-west-1b"
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tags {
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Name = "main-public-2"
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}
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tags = {
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Name = "main-public-2"
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}
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}
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resource "aws_subnet" "main-public-3" {
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vpc_id = "${aws_vpc.main.id}"
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cidr_block = "10.0.3.0/24"
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map_public_ip_on_launch = "true"
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availability_zone = "eu-west-1c"
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vpc_id = aws_vpc.main.id
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cidr_block = "10.0.3.0/24"
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map_public_ip_on_launch = "true"
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availability_zone = "eu-west-1c"
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tags {
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Name = "main-public-3"
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}
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tags = {
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Name = "main-public-3"
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}
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}
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resource "aws_subnet" "main-private-1" {
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vpc_id = "${aws_vpc.main.id}"
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cidr_block = "10.0.4.0/24"
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map_public_ip_on_launch = "false"
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availability_zone = "eu-west-1a"
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vpc_id = aws_vpc.main.id
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cidr_block = "10.0.4.0/24"
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map_public_ip_on_launch = "false"
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availability_zone = "eu-west-1a"
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tags {
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Name = "main-private-1"
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}
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tags = {
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Name = "main-private-1"
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}
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}
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resource "aws_subnet" "main-private-2" {
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vpc_id = "${aws_vpc.main.id}"
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cidr_block = "10.0.5.0/24"
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map_public_ip_on_launch = "false"
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availability_zone = "eu-west-1b"
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vpc_id = aws_vpc.main.id
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cidr_block = "10.0.5.0/24"
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map_public_ip_on_launch = "false"
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availability_zone = "eu-west-1b"
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tags {
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Name = "main-private-2"
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}
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tags = {
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Name = "main-private-2"
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}
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}
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resource "aws_subnet" "main-private-3" {
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vpc_id = "${aws_vpc.main.id}"
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cidr_block = "10.0.6.0/24"
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map_public_ip_on_launch = "false"
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availability_zone = "eu-west-1c"
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tags {
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Name = "main-private-3"
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}
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resource "aws_subnet" "main-private-3" {
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vpc_id = aws_vpc.main.id
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cidr_block = "10.0.6.0/24"
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map_public_ip_on_launch = "false"
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availability_zone = "eu-west-1c"
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tags = {
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Name = "main-private-3"
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}
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}
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# Internet GW
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resource "aws_internet_gateway" "main-gw" {
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vpc_id = "${aws_vpc.main.id}"
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vpc_id = aws_vpc.main.id
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tags {
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Name = "main"
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}
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tags = {
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Name = "main"
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}
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}
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# route tables
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resource "aws_route_table" "main-public" {
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vpc_id = "${aws_vpc.main.id}"
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route {
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cidr_block = "0.0.0.0/0"
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gateway_id = "${aws_internet_gateway.main-gw.id}"
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}
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vpc_id = aws_vpc.main.id
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route {
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cidr_block = "0.0.0.0/0"
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gateway_id = aws_internet_gateway.main-gw.id
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}
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tags {
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Name = "main-public-1"
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}
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tags = {
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Name = "main-public-1"
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}
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}
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# route associations public
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resource "aws_route_table_association" "main-public-1-a" {
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subnet_id = "${aws_subnet.main-public-1.id}"
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route_table_id = "${aws_route_table.main-public.id}"
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subnet_id = aws_subnet.main-public-1.id
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route_table_id = aws_route_table.main-public.id
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}
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resource "aws_route_table_association" "main-public-2-a" {
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subnet_id = "${aws_subnet.main-public-2.id}"
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route_table_id = "${aws_route_table.main-public.id}"
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subnet_id = aws_subnet.main-public-2.id
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route_table_id = aws_route_table.main-public.id
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}
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resource "aws_route_table_association" "main-public-3-a" {
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subnet_id = "${aws_subnet.main-public-3.id}"
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route_table_id = "${aws_route_table.main-public.id}"
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subnet_id = aws_subnet.main-public-3.id
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route_table_id = aws_route_table.main-public.id
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}
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|
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