» Resource: aws_wafregional_web_acl_association

resource "aws_wafregional_ipset" "ipset" {
  name = "tfIPSet"

  ip_set_descriptor {
    type  = "IPV4"
    value = "192.0.7.0/24"
  }
}

resource "aws_wafregional_rule" "foo" {
  name        = "tfWAFRule"
  metric_name = "tfWAFRule"

  predicate {
    data_id = "${aws_wafregional_ipset.ipset.id}"
    negated = false
    type    = "IPMatch"
  }
}

resource "aws_wafregional_web_acl" "foo" {
  name        = "foo"
  metric_name = "foo"

  default_action {
    type = "ALLOW"
  }

  rule {
    action {
      type = "BLOCK"
    }

    priority = 1
    rule_id  = "${aws_wafregional_rule.foo.id}"
  }
}

resource "aws_vpc" "foo" {
  cidr_block = "10.1.0.0/16"
}

data "aws_availability_zones" "available" {}

resource "aws_subnet" "foo" {
  vpc_id            = "${aws_vpc.foo.id}"
  cidr_block        = "10.1.1.0/24"
  availability_zone = "${data.aws_availability_zones.available.names[0]}"
}

resource "aws_subnet" "bar" {
  vpc_id            = "${aws_vpc.foo.id}"
  cidr_block        = "10.1.2.0/24"
  availability_zone = "${data.aws_availability_zones.available.names[1]}"
}

resource "aws_alb" "foo" {
  internal = true
  subnets  = ["${aws_subnet.foo.id}", "${aws_subnet.bar.id}"]
}

resource "aws_wafregional_web_acl_association" "foo" {
  resource_arn = "${aws_alb.foo.arn}"
  web_acl_id   = "${aws_wafregional_web_acl.foo.id}"
}