Route53 healtchecks terraform configuration

partner-api.tf

resource "aws_security_group" "partner-api" {
    name        = "partner-api-${var.environment}"
    description = "the security group for partner-api ${var.environment}"
    vpc_id      = "${aws_vpc.main.id}"

    ingress {
        from_port       = 80
        to_port         = 80
        protocol        = "tcp"
        cidr_blocks     = ["0.0.0.0/0"]
    }

    ingress {
        from_port       = 443
        to_port         = 443
        protocol        = "tcp"
        cidr_blocks     = ["0.0.0.0/0"]
    }

    ingress {
        from_port       = 22
        to_port         = 22
        protocol        = "tcp"
        security_groups = ["${aws_security_group.vpn.id}"]
    }

    egress {
        from_port       = 0
        to_port         = 0
        protocol        = "-1"
        cidr_blocks     = ["0.0.0.0/0"]
    }
}

resource "aws_eip" "partner-api-A" {
    count = "${var.instance_count-partner-api-A}"
    # instance = "${element(aws_instance.partner-api-A.*.id, count.index)}"
    vpc = true
}

resource "aws_eip" "partner-api-B" {
    count = "${var.instance_count-partner-api-B}"
    # instance = "${element(aws_instance.partner-api-A.*.id, count.index)}"
    vpc = true
}
output "partner-api-A.public_ip" {
    value = "${join(" ", aws_eip.partner-api-A.*.public_ip)}"
}
output "partner-api-B.public_ip" {
    value = "${join(" ", aws_eip.partner-api-B.*.public_ip)}"
}

resource "aws_route53_health_check" "partner-api-A" {
  ip_address  = "${aws_eip.partner-api-A.0.public_ip}"
  port = 80
  type = "TCP"
  failure_threshold = "1"
  request_interval = "10"

  tags = {
    Name = "partner-api-A-${var.environment}"
    Environment = "${var.environment}"
    Role = "partner-api"
   }
}

resource "aws_route53_health_check" "partner-api-B" {
  ip_address  = "${aws_eip.partner-api-B.0.public_ip}"
  port = 80
  type = "TCP"
  failure_threshold = "1"
  request_interval = "10"

  tags = {
    Name = "partner-api-B-${var.environment}"
    Environment = "${var.environment}"
    Role = "partner-api"
   }
}

resource "aws_route53_record" "partner-api" {
  zone_id = "${aws_route53_zone.internal.zone_id}"
  name = "partner-api-${var.environment}.ahinternal.net"
  type = "A"

  alias {
    name = "${aws_elb.elb-mainlb.dns_name}"
    zone_id = "${aws_elb.elb-mainlb.zone_id}"
    evaluate_target_health = false
  }
}
# resource "aws_route53_record" "partner-api-A" {
#   zone_id = "${aws_route53_zone.internal.zone_id}"
#   name = "partner-api-${var.environment}"
#   type = "A"
#   ttl = "10"
#   weight = 1
#   set_identifier = "partner-api-A-${var.environment}"
#   health_check_id = "${aws_route53_health_check.partner-api-A.id}"
#   records = ["${aws_eip.partner-api-A.0.public_ip}"]
# }
# resource "aws_route53_record" "partner-api-B" {
#   zone_id = "${aws_route53_zone.internal.zone_id}"
#   name = "partner-api-${var.environment}"
#   type = "A"
#   ttl = "10"
#   weight = 1
#   set_identifier = "partner-api-B-${var.environment}"
#   health_check_id = "${aws_route53_health_check.partner-api-B.id}"
#   records = ["${aws_eip.partner-api-B.0.public_ip}"]
# }

# // EC2 instance definition
# resource "aws_instance" "partner-api-A" {
#     disable_api_termination = false
#     count = "${var.instance_count-partner-api-A}"
#     ami = "${lookup(var.default_ami, count.index+10)}"
#     instance_type = "t2.micro"
#     monitoring = false
#     key_name = "airhelp_${var.aws_region}"
#     vpc_security_group_ids = ["${aws_security_group.default.id}", "${aws_security_group.partner-api.id}"]
#     subnet_id = "${aws_subnet.a.id}"
#     associate_public_ip_address = true
#     user_data = "${element(template_file.user_data_partner-api-A.*.rendered, count.index)}"
#     iam_instance_profile = "default"

#     root_block_device {
#         volume_size = 20
#         volume_type = "standard"
#     }

#     tags {
#         Name = "${format("partner-api%d-%s", count.index+10, var.environment)}"
#         Environment = "${var.environment}"
#         Role = "partner-api"
#         Creator = "terraform"
#     }

#     lifecycle {
#         create_before_destroy = true
#     }

#     provisioner "remote-exec" {
#         connection {
#             user = "ubuntu"
#             type = "ssh"
#             host = " ${self.private_ip}"
#         }
#         inline = [
#             "export NODE_ROLE=partner-api",
#             "export GIT_BRANCH=${var.chef_branch}",
#             "export NODE_ENV=${var.environment}",
#             "sudo /root/bin/bootstrap.sh"
#         ]
#     }
# }


# resource "aws_route53_record" "partner-api-A" {
#     zone_id = "${aws_route53_zone.internal.zone_id}"
#     name = "${format("partner-api%d-%s", count.index+10, var.environment)}"
#     type = "A"
#     count = "${var.instance_count-partner-api-A}"
#     ttl = "60"
#     records = ["${element(aws_instance.partner-api-A.*.private_ip, count.index)}"]
# }

# resource "template_file" "user_data_partner-api-A" {
#     filename = "templates/cloud-config-default.yaml"
#     count = "${var.instance_count-partner-api-A}"
#     vars {
#         hostname = "${format("partner-api%d-%s", count.index+10, var.environment)}"
#         domain = "${aws_route53_zone.internal.name}"
#         environment = "${var.environment}"
#         role = "partner-api"
#         branch = "${var.chef_branch}"
#     }
#     lifecycle {
#         create_before_destroy = true
#     }
# }


# resource "aws_route53_record" "partner-api-external" {
#     zone_id = "${aws_route53_zone.internal.zone_id}"
#     name = "partner-api-${var.environment}"
#     type = "A"
#     ttl = "10"
#     records = ["${split(",", join(",", aws_instance.partner-api.*.public_ip))}"]
# }