#terraform - October 2018

commands:
  00_add_swap_space:
    command: "/tmp/add-swap-space.sh"

files:
  "/tmp/add-swap-space.sh":
    mode: "000755"
    content: |
      #!/bin/bash

      set -o xtrace
      set -e

      SWAP_SIZE=$(/opt/elasticbeanstalk/bin/get-config environment | jq -r ".SWAP_SIZE")

      if [ "$SWAP_SIZE" == "0" ];
      then
        echo "Swap is not enabled"
        exit 0
      fi

      if grep -E 'SwapTotal:\s+0+\s+kB' /proc/meminfo; then
        echo "Enabling swap space (${SWAP_SIZE} mb)"
        dd if=/dev/zero of=/var/swapfile bs=1M count=$SWAP_SIZE
        /sbin/mkswap /var/swapfile
        chmod 000 /var/swapfile
        /sbin/swapon /var/swapfile
      else
       echo "Not creating additional swap space"
      fi

You may want to omit desired_capacity attribute from attached aws_autoscaling_group when using autoscaling policies. It’s good practice to pick either manual or dynamic (policy-based) scaling

setting {
    namespace = "aws:elasticbeanstalk:container:nodejs"
    name      = "NodeVersion"
    value     = "8.6.4"
  }
 

setting {
    namespace = "aws:elasticbeanstalk:container:nodejs"
    name      = "NodeVersion"
    value     = "${var.nodejs_version}"
  }

make init
make readme/deps
make readme

terraform destroy

force_destroy = true 

setting {
    namespace = "aws:elasticbeanstalk:application:environment"
    name = "RDS_USERNAME"
    value = "${aws_db_instance.rds-app-prod.username}"
  }
  setting {
    namespace = "aws:elasticbeanstalk:application:environment"
    name = "RDS_PASSWORD"
    value = "${aws_db_instance.rds-app-prod.password}"
  }
  setting {
    namespace = "aws:elasticbeanstalk:application:environment"
    name = "RDS_DATABASE"
    value = "mydb"
    value = "${aws_db_instance.rds-app-prod.name}"
  }
  setting {
    namespace = "aws:elasticbeanstalk:application:environment"
    name = "RDS_HOSTNAME"
    value = "${aws_db_instance.rds-app-prod.endpoint}"
  }

module "elastic_beanstalk_rds" {
  source      = "git::<https://github.com/cloudposse/terraform-aws-rds.git?ref=master>"
  namespace   = "${var.namespace}"
  stage       = "${var.environment}"
  name        = "${var.user_account_name}"
  dns_zone_id = "${var.parent_zone_id}"
  host_name                   = "db"
  security_group_ids          = ["${module.vpc.vpc_default_security_group_id}"]
  database_name               = "app"
  database_user               = "admin"
  database_password           = "password"
  database_port               = 5432
  multi_az                    = "false"
  storage_type                = "gp2"
  allocated_storage           = "5"
  engine                      = "postgresql"
  engine_version              = "9.6.6"
  instance_class              = "db.t2.micro"
  db_parameter_group          = "default.postgres9.6"
  #parameter_group_name        = "default.postgres9.6"

module.elastic_beanstalk_rds.aws_db_instance.default: Resource 'aws_db_parameter_group.default' does not have attribute 'name' for variable 'aws_db_parameter_group.default.*.name'

Support for fixed-response and redirect actions has been merged into master via #5430 and will release with version 1.33.0 of the AWS provider, later this week. (August 20)

resource "aws_lb_listener" "front_end" {
  load_balancer_arn = "${aws_lb.front_end.arn}"
  port              = "80"
  protocol          = "HTTP"

  default_action {
    type = "redirect"
    redirect {
      port = "443"
      protocol = "HTTPS"
      status_code = "HTTP_301"
    }
  }
}

resource "aws_lb_listener" "https_redirect" {
  count = "${var.https_redirect_enabled == "true" ? 1 : 0}"
.... # code from above
}