examples/complete: improve the examples

Author: shanye997

examples/complete/main.tf

@@ -3,17 +3,19 @@ data "alicloud_zones" "default" {
 }
 
 data "alicloud_kvstore_instance_classes" "default" {
-  zone_id        = data.alicloud_zones.default.zones.0.id
+  zone_id        = data.alicloud_zones.default.zones[0].id
   engine         = "Redis"
   engine_version = var.redis_engine_version
 }
 
 module "vpc" {
-  source             = "alibaba/vpc/alicloud"
+  source  = "alibaba/vpc/alicloud"
+  version = "~>1.11"
+
   create             = true
   vpc_cidr           = "172.16.0.0/16"
   vswitch_cidrs      = ["172.16.0.0/21"]
-  availability_zones = [data.alicloud_zones.default.zones.0.id]
+  availability_zones = [data.alicloud_zones.default.zones[0].id]
 }
 
 resource "random_integer" "default" {
@@ -35,8 +37,8 @@ module "example" {
 
   #alicloud_kvstore_instance
   redis_instance_name          = var.redis_instance_name
-  redis_instance_class         = data.alicloud_kvstore_instance_classes.default.instance_classes.0
-  zone_id                      = data.alicloud_zones.default.zones.0.id
+  redis_instance_class         = data.alicloud_kvstore_instance_classes.default.instance_classes[0]
+  zone_id                      = data.alicloud_zones.default.zones[0].id
   vswitch_id                   = module.vpc.this_vswitch_ids[0]
   security_ips                 = var.security_ips
   redis_instance_type          = "Redis"

examples/complete/outputs.tf

@@ -1,6 +1,8 @@
 output "this_redis_instance_id" {
-  value = module.example.this_redis_instance_id
+  description = "redis instance id"
+  value       = module.example.this_redis_instance_id
 }
 output "this_alicloud_ons_instance_id" {
-  value = module.example.this_alicloud_ons_instance_id
+  description = "ons instance id"
+  value       = module.example.this_alicloud_ons_instance_id
 }

examples/complete/variables.tf

@@ -29,7 +29,7 @@ variable "security_ips" {
 variable "redis_engine_version" {
   description = "The specification of the redis engine version."
   type        = string
-  default     = "4.0"
+  default     = "5.0"
 }
 
 variable "redis_appendonly" {

examples/complete/versions.tf

@@ -0,0 +1,3 @@
+terraform {
+  required_version = ">= 0.13"
+}

outputs.tf

@@ -1,14 +1,18 @@
 output "this_alicloud_ons_instance_id" {
-  value = alicloud_ons_instance.default.id
+  description = "The id of the ons instance."
+  value       = alicloud_ons_instance.default.id
 }
 
 output "this_alicloud_ons_topic_id" {
-  value = alicloud_ons_topic.default.id
+  description = "The id of the ons topic."
+  value       = alicloud_ons_topic.default.id
 }
 
 output "this_redis_instance_id" {
-  value = alicloud_kvstore_instance.default.id
+  description = "The id of the redis instance."
+  value       = alicloud_kvstore_instance.default.id
 }
 output "this_vswitch_id" {
-  value = alicloud_kvstore_instance.default.vswitch_id
+  description = "The id of the vswitch."
+  value       = alicloud_kvstore_instance.default.vswitch_id
 }