add provider and module versions for aws (#926)

deploy/aws/aws-tutorial.tfvars

@@ -1,10 +1,10 @@
 default_cluster_pd_instance_type      = "c5d.large"
-default_cluster_pd_tikv_instance_type = "c5d.large"
+default_cluster_tikv_instance_type    = "c5d.large"
 default_cluster_tidb_instance_type    = "c4.large"
 default_cluster_monitor_instance_type = "c5.large"
 
 default_cluster_pd_count   = 1
 default_cluster_tikv_count = 1
 default_cluster_tidb_count = 1
 
-default_cluster_cluster_name = "aws-tutorial"
+default_cluster_name = "aws-tutorial"

deploy/aws/versions.tf

@@ -1,4 +1,13 @@
 
 terraform {
   required_version = ">= 0.12"
+  required_providers {
+    aws = "~> 2.27"
+    external = "~> 1.2"
+    helm = "~> 0.10"
+    local = "~> 1.3"
+    null = "~> 2.1"
+    template = "~> 2.1"
+    tls = "~> 2.1"
+  }
 }

deploy/modules/aws/tidb-operator/main.tf

@@ -1,6 +1,7 @@
 module "eks" {
   source = "terraform-aws-modules/eks/aws"
 
+  version            = "5.1.0"
   cluster_name       = var.eks_name
   cluster_version    = var.eks_version
   vpc_id             = var.vpc_id