terraform fmt

blue-green/main.tf

@@ -1,51 +1,51 @@
 module "blue" {
-  source = "../single-stack"
-  color = "blue"
-  max_size = "${var.blue_max_size}"
-  min_size = "${var.blue_min_size}"
+  source           = "../single-stack"
+  color            = "blue"
+  max_size         = "${var.blue_max_size}"
+  min_size         = "${var.blue_min_size}"
   desired_capacity = "${var.blue_desired_capacity}"
-  ami = "${var.blue_ami}"
+  ami              = "${var.blue_ami}"
 
-  loadbalancers = "${var.loadbalancers}"
-  project = "${var.project}"
-  name = "${var.name}"
-  environment = "${var.environment}"
-  instance_type = "${var.instance_type}"
-  key_name = "${var.key_name}"
-  security_groups = "${var.security_groups}"
-  iam_instance_profile = "${var.iam_instance_profile}"
+  loadbalancers               = "${var.loadbalancers}"
+  project                     = "${var.project}"
+  name                        = "${var.name}"
+  environment                 = "${var.environment}"
+  instance_type               = "${var.instance_type}"
+  key_name                    = "${var.key_name}"
+  security_groups             = "${var.security_groups}"
+  iam_instance_profile        = "${var.iam_instance_profile}"
   associate_public_ip_address = "${var.associate_public_ip_address}"
-  user_data = "${var.user_data}"
-  disk_volume_size = "${var.disk_volume_size}"
-  disk_volume_type = "${var.disk_volume_type}"
-  subnets = "${var.subnets}"
-  health_check_grace_period = "${var.health_check_grace_period}"
-  termination_policies = ["${var.termination_policies}"]
-  target_group_arns = "${var.target_group_arns}"
+  user_data                   = "${var.user_data}"
+  disk_volume_size            = "${var.disk_volume_size}"
+  disk_volume_type            = "${var.disk_volume_type}"
+  subnets                     = "${var.subnets}"
+  health_check_grace_period   = "${var.health_check_grace_period}"
+  termination_policies        = ["${var.termination_policies}"]
+  target_group_arns           = "${var.target_group_arns}"
 }
 
 module "green" {
-  source = "../single-stack"
-  color = "green"
-  max_size = "${var.green_max_size}"
-  min_size = "${var.green_min_size}"
+  source           = "../single-stack"
+  color            = "green"
+  max_size         = "${var.green_max_size}"
+  min_size         = "${var.green_min_size}"
   desired_capacity = "${var.green_desired_capacity}"
-  ami = "${var.green_ami}"
+  ami              = "${var.green_ami}"
 
-  loadbalancers = "${var.loadbalancers}"
-  project = "${var.project}"
-  name = "${var.name}"
-  environment = "${var.environment}"
-  instance_type = "${var.instance_type}"
-  key_name = "${var.key_name}"
-  security_groups = "${var.security_groups}"
-  iam_instance_profile = "${var.iam_instance_profile}"
+  loadbalancers               = "${var.loadbalancers}"
+  project                     = "${var.project}"
+  name                        = "${var.name}"
+  environment                 = "${var.environment}"
+  instance_type               = "${var.instance_type}"
+  key_name                    = "${var.key_name}"
+  security_groups             = "${var.security_groups}"
+  iam_instance_profile        = "${var.iam_instance_profile}"
   associate_public_ip_address = "${var.associate_public_ip_address}"
-  user_data = "${var.user_data}"
-  disk_volume_size = "${var.disk_volume_size}"
-  disk_volume_type = "${var.disk_volume_type}"
-  subnets = "${var.subnets}"
-  health_check_grace_period = "${var.health_check_grace_period}"
-  termination_policies = ["${var.termination_policies}"]
-  target_group_arns = "${var.target_group_arns}"
+  user_data                   = "${var.user_data}"
+  disk_volume_size            = "${var.disk_volume_size}"
+  disk_volume_type            = "${var.disk_volume_type}"
+  subnets                     = "${var.subnets}"
+  health_check_grace_period   = "${var.health_check_grace_period}"
+  termination_policies        = ["${var.termination_policies}"]
+  target_group_arns           = "${var.target_group_arns}"
 }

blue-green/variables.tf

@@ -1,92 +1,112 @@
 variable "project" {
   description = "Project name to use"
 }
+
 variable "name" {
   description = "Name of the stack"
 }
+
 variable "environment" {
   description = "Environment to deploy on"
 }
+
 variable "blue_ami" {
   description = "(Required) The EC2 image ID to launch in the blue autoscaling group"
 }
+
 variable "green_ami" {
   description = "(Required) The EC2 image ID to launch in the green autoscaling group"
 }
+
 variable "instance_type" {
   description = "(Required) The size of instance to launch"
 }
+
 variable "key_name" {
   description = "(Optional) The key name that should be used for the instance"
-  default = ""
+  default     = ""
 }
+
 variable "loadbalancers" {
-  type = "list"
+  type        = "list"
   description = "(Optional) A list of load balancer names to add to the autoscaling groups"
-  default = []
+  default     = []
 }
+
 variable "security_groups" {
-  type = "list"
+  type        = "list"
   description = "(Optional) A list of associated security group IDS"
-  default = []
+  default     = []
 }
+
 variable "iam_instance_profile" {
   description = "(Optional) The IAM instance profile to associate with launched instances"
-  default = ""
+  default     = ""
 }
+
 variable "associate_public_ip_address" {
   description = "(Optional) Associate a public ip address with an instance in a VPC"
-  default = false
+  default     = false
 }
+
 variable "user_data" {
   description = "(Optional) The user data to provide when launching the instance"
-  default = ""
+  default     = ""
 }
+
 variable "disk_volume_size" {
   description = "(Optional) The size of the volume in gigabytes"
-  default = "8"
+  default     = "8"
 }
+
 variable "disk_volume_type" {
   description = "(Optional) The type of the volume. Default is standard"
-  default = "standard"
+  default     = "standard"
 }
 
 variable "subnets" {
   description = "(Optional) A list of subnet IDs to launch resources in"
-  type = "list"
-  default = []
+  type        = "list"
+  default     = []
 }
+
 variable "blue_max_size" {
   description = "(Required) The maximum size of the blue autoscaling group"
 }
+
 variable "blue_min_size" {
   description = "(Required) The minimum size of the blue autoscaling group"
 }
+
 variable "blue_desired_capacity" {
   description = "(Required) The number of Amazon EC2 instances that should be running in the blue autoscaling roup"
 }
+
 variable "green_max_size" {
   description = "(Required) The maximum size of the green autoscaling group"
 }
+
 variable "green_min_size" {
   description = "(Required) The minimum size of the green autoscaling group"
 }
+
 variable "green_desired_capacity" {
   description = "(Required) The number of Amazon EC2 instances that should be running in the green autoscaling roup"
 }
+
 variable "health_check_grace_period" {
   description = "(Optional, Default: 300) Time (in seconds) after instance comes into service before checking health"
-  default = "300"
+  default     = "300"
 }
 
 variable "termination_policies" {
   description = "(Optional, Default: ['Default']) Order in termination policies to apply when choosing instances to terminate."
-  type = "list"
-  default = ["Default"]
+  type        = "list"
+  default     = ["Default"]
 }
 
 variable "target_group_arns" {
-  type = "list"
+  type        = "list"
   description = "A list of aws_alb_target_group ARNs, for use with Application Load Balancing"
-  default = []
+  default     = []
 }

cpu-scaling/main.tf

@@ -1,53 +1,57 @@
 resource "aws_cloudwatch_metric_alarm" "alarm-cpu-down" {
-  count = "${var.num_asg}"
-  alarm_name = "${var.environment}-${var.project}-${var.name}-cpu-down${count.index}"
+  count               = "${var.num_asg}"
+  alarm_name          = "${var.environment}-${var.project}-${var.name}-cpu-down${count.index}"
   comparison_operator = "LessThanOrEqualToThreshold"
-  evaluation_periods = "${var.evaluation_periods}"
-  metric_name = "CPUUtilization"
-  namespace = "${var.namespace}"
-  period = "${var.period_down}"
-  statistic = "${var.statistic}"
-  threshold = "${var.threshold_down}"
+  evaluation_periods  = "${var.evaluation_periods}"
+  metric_name         = "CPUUtilization"
+  namespace           = "${var.namespace}"
+  period              = "${var.period_down}"
+  statistic           = "${var.statistic}"
+  threshold           = "${var.threshold_down}"
+
   dimensions {
     AutoScalingGroupName = "${var.autoscaling_group_name[count.index]}"
   }
+
   alarm_description = "This metric monitors CPU utilization down"
-  alarm_actions = ["${aws_autoscaling_policy.down-cpu.*.arn}"]
+  alarm_actions     = ["${aws_autoscaling_policy.down-cpu.*.arn}"]
 }
 
 resource "aws_cloudwatch_metric_alarm" "alarm-cpu-up" {
-  count = "${var.num_asg}"
-  alarm_name = "${var.environment}-${var.project}-${var.name}-cpu-up${count.index}"
+  count               = "${var.num_asg}"
+  alarm_name          = "${var.environment}-${var.project}-${var.name}-cpu-up${count.index}"
   comparison_operator = "GreaterThanOrEqualToThreshold"
-  evaluation_periods = "${var.evaluation_periods}"
-  metric_name = "CPUUtilization"
-  namespace = "${var.namespace}"
-  period = "${var.period_up}"
-  statistic = "${var.statistic}"
-  threshold = "${var.threshold_up}"
+  evaluation_periods  = "${var.evaluation_periods}"
+  metric_name         = "CPUUtilization"
+  namespace           = "${var.namespace}"
+  period              = "${var.period_up}"
+  statistic           = "${var.statistic}"
+  threshold           = "${var.threshold_up}"
+
   dimensions {
     AutoScalingGroupName = "${var.autoscaling_group_name[count.index]}"
   }
+
   alarm_description = "This metric monitors CPU utilization up"
-  alarm_actions = ["${aws_autoscaling_policy.up-cpu.*.arn}"]
+  alarm_actions     = ["${aws_autoscaling_policy.up-cpu.*.arn}"]
 }
 
 resource "aws_autoscaling_policy" "up-cpu" {
-  count = "${var.num_asg}"
-  name = "${var.environment}-${var.project}-${var.name}-cpu-up${count.index}"
+  count                  = "${var.num_asg}"
+  name                   = "${var.environment}-${var.project}-${var.name}-cpu-up${count.index}"
   autoscaling_group_name = "${var.autoscaling_group_name[count.index]}"
-  adjustment_type = "ChangeInCapacity"
-  policy_type = "${var.policy_type}"
-  cooldown = "${var.cooldown_up}"
-  scaling_adjustment = "${var.adjustment_up}"
+  adjustment_type        = "ChangeInCapacity"
+  policy_type            = "${var.policy_type}"
+  cooldown               = "${var.cooldown_up}"
+  scaling_adjustment     = "${var.adjustment_up}"
 }
 
 resource "aws_autoscaling_policy" "down-cpu" {
-  count = "${var.num_asg}"
-  name = "${var.environment}-${var.project}-${var.name}-cpu-down${count.index}"
+  count                  = "${var.num_asg}"
+  name                   = "${var.environment}-${var.project}-${var.name}-cpu-down${count.index}"
   autoscaling_group_name = "${var.autoscaling_group_name[count.index]}"
-  adjustment_type = "ChangeInCapacity"
-  policy_type = "${var.policy_type}"
-  cooldown = "${var.cooldown_down}"
-  scaling_adjustment = "${var.adjustment_down}"
+  adjustment_type        = "ChangeInCapacity"
+  policy_type            = "${var.policy_type}"
+  cooldown               = "${var.cooldown_down}"
+  scaling_adjustment     = "${var.adjustment_down}"
 }