ess-scaling and vpc-snat examples

Originally submitted as part of hashicorp/terraform#13731 .

examples/ess-scaling/README.md

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+### ESS scaling configuration Example
+
+The example launches ESS scaling configuration, will create ECS instance automatic by system schedule.
+
+### Get up and running
+
+* Planning phase
+
+		terraform plan 
+
+* Apply phase
+
+		terraform apply 
+
+* Destroy 
+
+		terraform destroy

examples/ess-scaling/main.tf

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+data "alicloud_images" "ecs_image" {
+  most_recent = true
+  name_regex =  "^centos_6\\w{1,5}[64].*"
+}
+
+resource "alicloud_security_group" "sg" {
+  name = "${var.security_group_name}"
+  description = "tf-sg"
+}
+
+resource "alicloud_security_group_rule" "ssh-in" {
+  type = "ingress"
+  ip_protocol = "tcp"
+  nic_type = "internet"
+  policy = "accept"
+  port_range = "22/22"
+  priority = 1
+  security_group_id = "${alicloud_security_group.sg.id}"
+  cidr_ip = "0.0.0.0/0"
+}
+
+resource "alicloud_ess_scaling_group" "scaling" {
+  min_size = "${var.scaling_min_size}"
+  max_size = "${var.scaling_max_size}"
+  scaling_group_name = "tf-scaling"
+  removal_policies = "${var.removal_policies}"
+
+}
+
+resource "alicloud_ess_scaling_configuration" "config" {
+  scaling_group_id = "${alicloud_ess_scaling_group.scaling.id}"
+  enable = "${var.enable}"
+
+  image_id = "${data.alicloud_images.ecs_image.images.0.id}"
+  instance_type = "${var.ecs_instance_type}"
+  io_optimized = "optimized"
+  security_group_id = "${alicloud_security_group.sg.id}"
+}

examples/ess-scaling/outputs.tf

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+output "scaling_group_id" {
+  value = "${alicloud_ess_scaling_group.scaling.id}"
+}
+
+output "configuration_id" {
+  value = "${alicloud_ess_scaling_configuration.config.id}"
+}

examples/ess-scaling/variables.tf

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+variable "security_group_name" {
+  default = "tf-sg"
+}
+
+variable "scaling_min_size" {
+  default = 1
+}
+
+variable "scaling_max_size" {
+  default = 1
+}
+
+variable "enable" {
+  default = true
+}
+
+variable "removal_policies" {
+  type    = "list"
+  default = ["OldestInstance", "NewestInstance"]
+}
+
+variable "ecs_instance_type" {
+  default = "ecs.s2.large"
+}

examples/ess-schedule/README.md

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+### ESS scaling schedule Example
+
+The example launches ESS schedule task, which will create ECS by the schedule time.
+
+### Get up and running
+
+* Planning phase
+
+		terraform plan 
+
+* Apply phase
+
+		terraform apply 
+
+* Destroy 
+
+		terraform destroy

examples/ess-schedule/main.tf

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+data "alicloud_images" "ecs_image" {
+  most_recent = true
+  name_regex =  "^centos_6\\w{1,5}[64].*"
+}
+
+resource "alicloud_security_group" "sg" {
+  name = "${var.security_group_name}"
+  description = "tf-sg"
+}
+
+resource "alicloud_security_group_rule" "ssh-in" {
+  type = "ingress"
+  ip_protocol = "tcp"
+  nic_type = "internet"
+  policy = "accept"
+  port_range = "22/22"
+  priority = 1
+  security_group_id = "${alicloud_security_group.sg.id}"
+  cidr_ip = "0.0.0.0/0"
+}
+
+resource "alicloud_ess_scaling_group" "scaling" {
+  min_size = "${var.scaling_min_size}"
+  max_size = "${var.scaling_max_size}"
+  scaling_group_name = "tf-scaling"
+  removal_policies = "${var.removal_policies}"
+
+}
+
+resource "alicloud_ess_scaling_configuration" "config" {
+  scaling_group_id = "${alicloud_ess_scaling_group.scaling.id}"
+  enable = "${var.enable}"
+
+  image_id = "${data.alicloud_images.ecs_image.images.0.id}"
+  instance_type = "${var.ecs_instance_type}"
+  io_optimized = "optimized"
+  security_group_id = "${alicloud_security_group.sg.id}"
+}
+
+resource "alicloud_ess_scaling_rule" "rule" {
+  scaling_group_id = "${alicloud_ess_scaling_group.scaling.id}"
+  adjustment_type = "TotalCapacity"
+  adjustment_value = "${var.rule_adjust_size}"
+  cooldown = 60
+}
+
+resource "alicloud_ess_schedule" "run" {
+  scheduled_action = "${alicloud_ess_scaling_rule.rule.ari}"
+  launch_time = "${var.schedule_launch_time}"
+  scheduled_task_name = "tf-run"
+}

examples/ess-schedule/outputs.tf

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+output "scaling_group_id" {
+  value = "${alicloud_ess_scaling_group.scaling.id}"
+}
+
+output "configuration_id" {
+  value = "${alicloud_ess_scaling_configuration.config.id}"
+}
+
+output "configuration_ari" {
+  value = "${alicloud_ess_scaling_configuration.config.ari}"
+}

examples/ess-schedule/variables.tf

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+variable "security_group_name" {
+  default = "tf-sg"
+}
+
+variable "scaling_min_size" {
+  default = 1
+}
+
+variable "scaling_max_size" {
+  default = 1
+}
+
+variable "enable" {
+  default = true
+}
+
+variable "removal_policies" {
+  type    = "list"
+  default = ["OldestInstance", "NewestInstance"]
+}
+
+variable "ecs_instance_type" {
+  default = "ecs.s2.large"
+}
+
+variable "rule_adjust_size" {
+  default = 3
+}
+
+variable "schedule_launch_time" {
+  default = "2017-04-01T01:59Z"
+}

examples/vpc-snat/main.tf

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+provider "alicloud" {
+	region = "cn-hangzhou"
+}
+
+data "alicloud_instance_types" "1c2g" {
+	cpu_core_count = 1
+	memory_size = 2
+	instance_type_family = "ecs.n1"
+}
+
+data "alicloud_zones" "default" {
+	"available_instance_type"= "${data.alicloud_instance_types.1c2g.instance_types.0.id}"
+	"available_disk_category"= "${var.disk_category}"
+}
+
+resource "alicloud_vpc" "default" {
+	name = "tf_vpc"
+	cidr_block = "${var.vpc_cidr}"
+}
+
+resource "alicloud_vswitch" "default" {
+	vpc_id = "${alicloud_vpc.default.id}"
+	cidr_block = "${var.vswitch_cidr}"
+	availability_zone = "${data.alicloud_zones.default.zones.0.id}"
+}
+
+resource "alicloud_nat_gateway" "default" {
+	vpc_id = "${alicloud_vpc.default.id}"
+	spec = "Small"
+	name = "test_foo"
+	bandwidth_packages = [{
+		ip_count = 2
+		bandwidth = 5
+		zone = "${data.alicloud_zones.default.zones.0.id}"
+	}]
+	depends_on = [
+		"alicloud_vswitch.default"]
+}
+resource "alicloud_snat_entry" "default"{
+	snat_table_id = "${alicloud_nat_gateway.default.snat_table_ids}"
+	source_vswitch_id = "${alicloud_vswitch.default.id}"
+	snat_ip = "${element(split(",", alicloud_nat_gateway.default.bandwidth_packages.0.public_ip_addresses),0)}"
+}
+
+resource "alicloud_forward_entry" "default"{
+	forward_table_id = "${alicloud_nat_gateway.default.forward_table_ids}"
+	external_ip = "${element(split(",", alicloud_nat_gateway.default.bandwidth_packages.0.public_ip_addresses),1)}"
+	external_port = "80"
+	ip_protocol = "tcp"
+	internal_ip = "${alicloud_instance.default.private_ip}"
+	internal_port = "8080"
+}
+
+resource "alicloud_security_group" "sg" {
+	name = "tf_sg"
+	description = "tf_sg"
+	vpc_id = "${alicloud_vpc.default.id}"
+}
+
+resource "alicloud_security_group_rule" "http-in" {
+	type = "ingress"
+	ip_protocol = "tcp"
+	nic_type = "intranet"
+	policy = "accept"
+	port_range = "80/80"
+	priority = 1
+	security_group_id = "${alicloud_security_group.sg.id}"
+	cidr_ip = "0.0.0.0/0"
+}
+
+resource "alicloud_instance" "default" {
+	# cn-beijing
+	availability_zone = "${data.alicloud_zones.default.zones.0.id}"
+	security_groups = ["${alicloud_security_group.sg.id}"]
+
+	vswitch_id = "${alicloud_vswitch.default.id}"
+
+	# series II
+	instance_charge_type = "PostPaid"
+	instance_type = "${var.instance_type}"
+	internet_max_bandwidth_out = 0
+	io_optimized = "${var.io_optimized}"
+
+	system_disk_category = "cloud_efficiency"
+	image_id = "${var.image_id}"
+	instance_name = "tf_vpc_snat"
+}

examples/vpc-snat/ouputs.tf

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+output "instance_id" {
+  value = "${alicloud_instance.default.id}"
+}
+
+output "bindwidth_package_ip" {
+  value = "${alicloud_nat_gateway.default.bandwidth_packages.0.public_ip_addresses}"
+}

examples/vpc-snat/variables.tf

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+
+variable "vpc_cidr" {
+  default = "10.1.0.0/21"
+}
+variable "vswitch_cidr" {
+  default = "10.1.1.0/24"
+}
+variable "rule_policy" {
+  default = "accept"
+}
+variable "instance_type" {
+  default = "ecs.n1.small"
+}
+variable "image_id" {
+  default = "ubuntu_140405_64_40G_cloudinit_20161115.vhd"
+}
+variable "io_optimized" {
+  default = "optimized"
+}
+variable "disk_category"{
+  default = "cloud_efficiency"
+}