add terraform 0.12 support for 05 example

05-autoscaling-group/00-params.tf

@@ -16,8 +16,8 @@ variable "vpc_cidr" {
 #### HTTP PARAMS
 variable "network_http" {
   default = {
-    subnet_name  = "subnet_http"
-    cidr         = "192.168.1.0/24"
+    subnet_name = "subnet_http"
+    cidr        = "192.168.1.0/24"
   }
 }
 
@@ -33,8 +33,8 @@ variable "autoscaling_http" {
 #### DB PARAMS
 variable "network_db" {
   default = {
-    subnet_name  = "subnet_db"
-    cidr         = "192.168.2.0/24"
+    subnet_name = "subnet_db"
+    cidr        = "192.168.2.0/24"
   }
 }
 
@@ -46,3 +46,4 @@ variable "autoscaling_db" {
     min_size         = "1"
   }
 }
+

05-autoscaling-group/010-ssh-key.tf

@@ -5,3 +5,4 @@ resource "aws_key_pair" "user_key" {
   key_name   = "user-key"
   public_key = "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQD3F6tyPEFEzV0LX3X8BsXdMsQz1x2cEikKDEY0aIj41qgxMCP/iteneqXSIFZBp5vizPvaoIR3Um9xK7PGoW8giupGn+EPuxIA4cDM4vzOqOkiMPhz5XK0whEjkVzTo4+S0puvDZuwIsdiW9mxhJc7tgBNL0cYlWSYVkz4G/fslNfRPW5mYAM49f4fhtxPb5ok4Q2Lg9dPKVHO/Bgeu5woMc7RY0p1ej6D4CKFE6lymSDJpW0YHX/wqE9+cfEauh7xZcG0q9t2ta6F6fmX0agvpFyZo8aFbXeUBr7osSCJNgvavWbM/06niWrOvYX2xwWdhXmXSrbX8ZbabVohBK41 [email protected]"
 }
+

05-autoscaling-group/020-network.tf

@@ -2,37 +2,38 @@
 
 # VPC creation
 resource "aws_vpc" "terraform" {
-  cidr_block           = "${var.vpc_cidr}"
+  cidr_block           = var.vpc_cidr
   enable_dns_hostnames = true
-  tags                 = {
-    Name               = "vpc_http"
+  tags = {
+    Name = "vpc_http"
   }
 }
 
 # http subnet configuration
 resource "aws_subnet" "http" {
-  vpc_id     = "${aws_vpc.terraform.id}"
-  cidr_block = "${var.network_http["cidr"]}"
-  tags       = {
-    Name     = "subnet_http"
+  vpc_id     = aws_vpc.terraform.id
+  cidr_block = var.network_http["cidr"]
+  tags = {
+    Name = "subnet_http"
   }
-  depends_on = ["aws_internet_gateway.gw"]
+  depends_on = [aws_internet_gateway.gw]
 }
 
 # db subnet configuration
 resource "aws_subnet" "db" {
-  vpc_id     = "${aws_vpc.terraform.id}"
-  cidr_block = "${var.network_db["cidr"]}"
-  tags       = {
-    Name     = "subnet_db"
+  vpc_id     = aws_vpc.terraform.id
+  cidr_block = var.network_db["cidr"]
+  tags = {
+    Name = "subnet_db"
   }
-  depends_on = ["aws_internet_gateway.gw"]
+  depends_on = [aws_internet_gateway.gw]
 }
 
 # External gateway configuration
 resource "aws_internet_gateway" "gw" {
-  vpc_id = "${aws_vpc.terraform.id}"
-  tags   = {
+  vpc_id = aws_vpc.terraform.id
+  tags = {
     Name = "internet_gateway"
   }
 }
+

05-autoscaling-group/030-security-group.tf

@@ -4,9 +4,9 @@
 resource "aws_security_group" "administration" {
   name        = "administration"
   description = "Allow default administration service"
-  vpc_id      = "${aws_vpc.terraform.id}"
-  tags        = {
-    Name      = "administration"
+  vpc_id      = aws_vpc.terraform.id
+  tags = {
+    Name = "administration"
   }
 
   # Open ssh port
@@ -38,9 +38,9 @@ resource "aws_security_group" "administration" {
 resource "aws_security_group" "web" {
   name        = "web"
   description = "Allow web incgress trafic"
-  vpc_id      = "${aws_vpc.terraform.id}"
-  tags        = {
-    Name      = "web"
+  vpc_id      = aws_vpc.terraform.id
+  tags = {
+    Name = "web"
   }
 
   # http port
@@ -72,9 +72,9 @@ resource "aws_security_group" "web" {
 resource "aws_security_group" "db" {
   name        = "db"
   description = "Allow db incgress trafic"
-  vpc_id      = "${aws_vpc.terraform.id}"
-  tags        = {
-    Name      = "db"
+  vpc_id      = aws_vpc.terraform.id
+  tags = {
+    Name = "db"
   }
 
   # db port
@@ -93,3 +93,4 @@ resource "aws_security_group" "db" {
     cidr_blocks = ["0.0.0.0/0"]
   }
 }
+

05-autoscaling-group/060-instance-http.tf

@@ -3,7 +3,7 @@
 # Create load balancer
 resource "aws_elb" "http" {
   name    = "http-lb"
-  subnets = ["${aws_subnet.http.id}"]
+  subnets = [aws_subnet.http.id]
 
   listener {
     instance_port     = 80
@@ -19,34 +19,37 @@ resource "aws_elb" "http" {
     target              = "HTTP:80/"
     interval            = 30
   }
-  tags {
+  tags = {
     Name = "http-lb"
   }
 }
 
 # Create autoscaling group
 resource "aws_autoscaling_group" "http" {
   name                      = "http-autoscaling-group"
-  max_size                  = "${var.autoscaling_http["max_size"]}"
-  min_size                  = "${var.autoscaling_http["min_size"]}"
-  desired_capacity          = "${var.autoscaling_http["desired_capacity"]}"
+  max_size                  = var.autoscaling_http["max_size"]
+  min_size                  = var.autoscaling_http["min_size"]
+  desired_capacity          = var.autoscaling_http["desired_capacity"]
   health_check_type         = "ELB"
   default_cooldown          = "30"
   health_check_grace_period = "120"
   force_delete              = true
-  launch_configuration      = "${aws_launch_configuration.http.name}"
-  load_balancers            = ["${aws_elb.http.name}"]
+  launch_configuration      = aws_launch_configuration.http.name
+  load_balancers            = [aws_elb.http.name]
   termination_policies      = ["OldestLaunchConfiguration"]
-  vpc_zone_identifier       = ["${aws_subnet.http.id}"]
+  vpc_zone_identifier       = [aws_subnet.http.id]
 }
 
 # Configure instance launching configuration
 resource "aws_launch_configuration" "http" {
-  name_prefix     = "http"
-  image_id        = "${var.ami}"
-  instance_type   = "t2.micro"
-  key_name        = "${aws_key_pair.user_key.key_name}"
-  security_groups = ["${aws_security_group.administration.id}",
-                     "${aws_security_group.web.id}"]
-  user_data       = "${file("scripts/first-boot-http.sh")}"
+  name_prefix   = "http"
+  image_id      = var.ami
+  instance_type = "t2.micro"
+  key_name      = aws_key_pair.user_key.key_name
+  security_groups = [
+    aws_security_group.administration.id,
+    aws_security_group.web.id,
+  ]
+  user_data = file("scripts/first-boot-http.sh")
 }
+

05-autoscaling-group/061-instance-db.tf

@@ -3,7 +3,7 @@
 # Create load balancer
 resource "aws_elb" "db" {
   name     = "db-lb"
-  subnets  = ["${aws_subnet.db.id}"]
+  subnets  = [aws_subnet.db.id]
   internal = "true"
 
   listener {
@@ -20,34 +20,37 @@ resource "aws_elb" "db" {
     target              = "TCP:3306"
     interval            = 30
   }
-  tags {
+  tags = {
     Name = "db-lb"
   }
 }
 
 # Create autoscaling group
 resource "aws_autoscaling_group" "db" {
   name                      = "db-autoscaling-group"
-  max_size                  = "${var.autoscaling_db["max_size"]}"
-  min_size                  = "${var.autoscaling_db["min_size"]}"
-  desired_capacity          = "${var.autoscaling_db["desired_capacity"]}"
+  max_size                  = var.autoscaling_db["max_size"]
+  min_size                  = var.autoscaling_db["min_size"]
+  desired_capacity          = var.autoscaling_db["desired_capacity"]
   health_check_type         = "ELB"
   default_cooldown          = "30"
   health_check_grace_period = "120"
   force_delete              = true
-  launch_configuration      = "${aws_launch_configuration.db.name}"
-  load_balancers            = ["${aws_elb.db.name}"]
+  launch_configuration      = aws_launch_configuration.db.name
+  load_balancers            = [aws_elb.db.name]
   termination_policies      = ["OldestLaunchConfiguration"]
-  vpc_zone_identifier       = ["${aws_subnet.db.id}"]
+  vpc_zone_identifier       = [aws_subnet.db.id]
 }
 
 # Configure instance launching configuration
 resource "aws_launch_configuration" "db" {
-  name_prefix     = "db"
-  image_id        = "${var.ami}"
-  instance_type   = "t2.micro"
-  key_name        = "${aws_key_pair.user_key.key_name}"
-  security_groups = ["${aws_security_group.administration.id}",
-                     "${aws_security_group.web.id}"]
-  user_data       = "${file("scripts/first-boot-db.sh")}"
+  name_prefix   = "db"
+  image_id      = var.ami
+  instance_type = "t2.micro"
+  key_name      = aws_key_pair.user_key.key_name
+  security_groups = [
+    aws_security_group.administration.id,
+    aws_security_group.web.id,
+  ]
+  user_data = file("scripts/first-boot-db.sh")
 }
+

05-autoscaling-group/071-routing-table.tf

@@ -2,21 +2,22 @@
 
 # Routing table configuration
 resource "aws_route_table" "public" {
-  vpc_id       = "${aws_vpc.terraform.id}"
+  vpc_id = aws_vpc.terraform.id
   route {
     cidr_block = "0.0.0.0/0"
-    gateway_id = "${aws_internet_gateway.gw.id}"
+    gateway_id = aws_internet_gateway.gw.id
   }
 }
 
 # Associate http route
 resource "aws_route_table_association" "http" {
-  subnet_id      = "${aws_subnet.http.id}"
-  route_table_id = "${aws_route_table.public.id}"
+  subnet_id      = aws_subnet.http.id
+  route_table_id = aws_route_table.public.id
 }
 
 # Associate db route
 resource "aws_route_table_association" "db" {
-  subnet_id      = "${aws_subnet.db.id}"
-  route_table_id = "${aws_route_table.public.id}"
+  subnet_id      = aws_subnet.db.id
+  route_table_id = aws_route_table.public.id
 }
+

05-autoscaling-group/100-outputs.tf

@@ -2,10 +2,11 @@
 
 # Display http loadbalancer dns name
 output "lb_hostname_http" {
-  value = "${aws_elb.http.dns_name}"
+  value = aws_elb.http.dns_name
 }
 
 # Display db loadbalancer dns name
 output "lb_hostname_db" {
-  value = "${aws_elb.db.dns_name}"
+  value = aws_elb.db.dns_name
 }
+

05-autoscaling-group/versions.tf

@@ -0,0 +1,4 @@
+
+terraform {
+  required_version = ">= 0.12"
+}