feat: Change EKS default version to 1.16 (#857)

.pre-commit-config.yaml

@@ -1,6 +1,6 @@
 repos:
 - repo: git://github.com/antonbabenko/pre-commit-terraform
-  rev: v1.27.0
+  rev: v1.30.0
   hooks:
     - id: terraform_fmt
     - id: terraform_docs

README.md

@@ -39,7 +39,7 @@ provider "kubernetes" {
 module "my-cluster" {
   source          = "terraform-aws-modules/eks/aws"
   cluster_name    = "my-cluster"
-  cluster_version = "1.14"
+  cluster_version = "1.16"
   subnets         = ["subnet-abcde012", "subnet-bcde012a", "subnet-fghi345a"]
   vpc_id          = "vpc-1234556abcdef"
 
@@ -164,7 +164,7 @@ MIT Licensed. See [LICENSE](https://github.com/terraform-aws-modules/terraform-a
 | cluster\_log\_retention\_in\_days | Number of days to retain log events. Default retention - 90 days. | `number` | `90` | no |
 | cluster\_name | Name of the EKS cluster. Also used as a prefix in names of related resources. | `string` | n/a | yes |
 | cluster\_security\_group\_id | If provided, the EKS cluster will be attached to this security group. If not given, a security group will be created with necessary ingress/egress to work with the workers | `string` | `""` | no |
-| cluster\_version | Kubernetes version to use for the EKS cluster. | `string` | `"1.15"` | no |
+| cluster\_version | Kubernetes version to use for the EKS cluster. | `string` | `"1.16"` | no |
 | config\_output\_path | Where to save the Kubectl config file (if `write_kubeconfig = true`). Assumed to be a directory if the value ends with a forward slash `/`. | `string` | `"./"` | no |
 | create\_eks | Controls if EKS resources should be created (it affects almost all resources) | `bool` | `true` | no |
 | eks\_oidc\_root\_ca\_thumbprint | Thumbprint of Root CA for EKS OIDC, Valid until 2037 | `string` | `"9e99a48a9960b14926bb7f3b02e22da2b0ab7280"` | no |

docs/spot-instances.md

@@ -32,7 +32,7 @@ Example worker group configuration that uses an ASG with launch configuration fo
       name                = "on-demand-1"
       instance_type       = "m4.xlarge"
       asg_max_size        = 1
-      kubelet_extra_args  = "--node-labels=kubernetes.io/lifecycle=normal"
+      kubelet_extra_args  = "--node-labels=node.kubernetes.io/lifecycle=normal"
       suspended_processes = ["AZRebalance"]
     },
     {
@@ -40,7 +40,7 @@ Example worker group configuration that uses an ASG with launch configuration fo
       spot_price          = "0.199"
       instance_type       = "c4.xlarge"
       asg_max_size        = 20
-      kubelet_extra_args  = "--node-labels=kubernetes.io/lifecycle=spot"
+      kubelet_extra_args  = "--node-labels=node.kubernetes.io/lifecycle=spot"
       suspended_processes = ["AZRebalance"]
     },
     {
@@ -48,7 +48,7 @@ Example worker group configuration that uses an ASG with launch configuration fo
       spot_price          = "0.20"
       instance_type       = "m4.xlarge"
       asg_max_size        = 20
-      kubelet_extra_args  = "--node-labels=kubernetes.io/lifecycle=spot"
+      kubelet_extra_args  = "--node-labels=node.kubernetes.io/lifecycle=spot"
       suspended_processes = ["AZRebalance"]
     }
   ]
@@ -77,7 +77,7 @@ Launch Template support is a recent addition to both AWS and this module. It mig
       spot_instance_pools     = 4
       asg_max_size            = 5
       asg_desired_capacity    = 5
-      kubelet_extra_args      = "--node-labels=kubernetes.io/lifecycle=spot"
+      kubelet_extra_args      = "--node-labels=node.kubernetes.io/lifecycle=spot"
       public_ip               = true
     },
   ]

examples/spot_instances/main.tf

@@ -71,7 +71,7 @@ module "eks" {
       spot_instance_pools     = 4
       asg_max_size            = 5
       asg_desired_capacity    = 5
-      kubelet_extra_args      = "--node-labels=kubernetes.io/lifecycle=spot"
+      kubelet_extra_args      = "--node-labels=node.kubernetes.io/lifecycle=spot"
       public_ip               = true
     },
   ]

variables.tf

@@ -28,7 +28,7 @@ variable "cluster_security_group_id" {
 variable "cluster_version" {
   description = "Kubernetes version to use for the EKS cluster."
   type        = string
-  default     = "1.15"
+  default     = "1.16"
 }
 
 variable "config_output_path" {