cleaning up before initial release

.pre-commit-config.yaml

@@ -1,9 +1,17 @@
 # See http://pre-commit.com for more information
 # See http://pre-commit.com/hooks.html for more hooks
 repos:
--   repo: https://github.com/pre-commit/pre-commit-hooks
-    sha: v0.9.2
-    hooks:
+- repo: git://github.com/antonbabenko/pre-commit-terraform
+  rev: v1.7.1
+  sha: 091f8b15d7b458e5a0aca642483deb2205e7db02
+  hooks:
+    - id: terraform_fmt
+    # - id: terraform_docs
+- repo: git://github.com/pre-commit/pre-commit-hooks
+  rev: v1.2.3
+  sha: 92e1570c282e3c69a1f8b5b8dd8d286fe27cfaa7
+  hooks:
+    - id: check-merge-conflict
     -   id: trailing-whitespace
     # -   id: end-of-file-fixer
     -   id: check-yaml

.travis.yml

@@ -0,0 +1,48 @@
+language: ruby
+sudo: required
+dist: trusty
+services:
+- docker
+rvm:
+- 2.4.2
+before_install:
+- echo "before_install"
+install:
+- echo "install"
+- gem install bundler --no-rdoc --no-ri
+- bundle install
+before_script:
+- echo 'before_script'
+- export AWS_REGION='us-west-2'
+- export TF_VAR_region=${AWS_REGION}
+- echo "using AWS_REGION=${AWS_REGION}"
+- export TF_WARN_OUTPUT_ERRORS=1
+- curl --silent --output terraform.zip https://releases.hashicorp.com/terraform/0.11.7/terraform_0.11.7_linux_amd64.zip
+- sha256sum terraform.zip  | grep "6b8ce67647a59b2a3f70199c304abca0ddec0e49fd060944c26f666298e23418"
+- unzip terraform.zip ; rm -f terraform.zip; chmod +x terraform
+- mkdir -p ${HOME}/bin ; export PATH=${PATH}:${HOME}/bin; mv terraform ${HOME}/bin/
+- terraform -v
+script:
+- echo 'script'
+- terraform init
+- terraform fmt -check=true
+- terraform validate -var "region=${AWS_REGION}" -var "subnets=[]" -var "vpc_id=vpc-abcde012" -var "load_balancer_name=my-lb" -var "log_bucket_name=my-log-bucket" -var "security_groups=[]"
+- docker run --rm -v $(pwd):/app/ --workdir=/app/ -t wata727/tflint --error-with-issues
+- cd examples/eks_test_fixture
+- terraform init
+- terraform fmt -check=true
+- terraform validate
+- cd -
+- terraform -v
+- bundle exec kitchen test --destroy always
+deploy:
+  provider: script
+  script: ci/deploy.sh
+  on:
+    branch: master
+notifications:
+  email:
+    recipients:
+    - brandon@atscale.run
+    on_success: change
+    on_failure: change

README.md

@@ -14,9 +14,6 @@ and its [source code](https://github.com/terraform-providers/terraform-provider-
 * You want to create a set of resources around an EKS cluster: namely an autoscaling group of workers and a security group for them.
 * You've created a Virtual Private Cloud (VPC) and subnets where you intend to put this EKS.
 
-It's recommended you use this module with [terraform-aws-vpc](https://registry.terraform.io/modules/terraform-aws-modules/vpc/aws),
-and [terraform-aws-security-group](https://registry.terraform.io/modules/terraform-aws-modules/security-group/aws).
-
 ## Usage example
 
 A full example leveraging other community modules is contained in the [examples/eks_test_fixture directory](https://github.com/terraform-aws-modules/terraform-aws-eks/tree/master/examples/eks_test_fixture). Here's the gist of using it via the Terraform registry:
@@ -104,8 +101,8 @@ MIT Licensed. See [LICENSE](https://github.com/terraform-aws-modules/terraform-a
 |------|-------------|
 | cluster_certificate_authority_data | Nested attribute containing certificate-authority-data for your cluster. Tis is the base64 encoded certificate data required to communicate with your cluster. |
 | cluster_endpoint | The endpoint for your Kubernetes API server. |
-| cluster_id | The name of the cluster. |
+| cluster_id | The name/id of the cluster. |
 | cluster_security_group_ids | description |
 | cluster_version | The Kubernetes server version for the cluster. |
-| config_map_aws_auth | description |
-| kubeconfig | description |
+| config_map_aws_auth |  |
+| kubeconfig | kubectl config file contents for this cluster. |

cluster.tf

@@ -14,11 +14,6 @@ resource "aws_eks_cluster" "this" {
   ]
 }
 
-resource "aws_iam_role" "cluster" {
-  name_prefix        = "${var.cluster_name}"
-  assume_role_policy = "${data.aws_iam_policy_document.cluster_assume_role_policy.json}"
-}
-
 resource "aws_security_group" "cluster" {
   name_prefix = "${var.cluster_name}"
   description = "Cluster communication with workers nodes"
@@ -56,6 +51,11 @@ resource "aws_security_group_rule" "cluster_https_cidr_ingress" {
   type              = "ingress"
 }
 
+resource "aws_iam_role" "cluster" {
+  name_prefix        = "${var.cluster_name}"
+  assume_role_policy = "${data.aws_iam_policy_document.cluster_assume_role_policy.json}"
+}
+
 resource "aws_iam_role_policy_attachment" "cluster_AmazonEKSClusterPolicy" {
   policy_arn = "arn:aws:iam::aws:policy/AmazonEKSClusterPolicy"
   role       = "${aws_iam_role.cluster.name}"

data.tf

@@ -30,7 +30,19 @@ data "aws_iam_policy_document" "cluster_assume_role_policy" {
   }
 }
 
+resource "null_resource" "tags_as_list_of_maps" {
+  count = "${length(keys(var.tags))}"
+
+  triggers = "${map(
+    "key", "${element(keys(var.tags), count.index)}",
+    "value", "${element(values(var.tags), count.index)}",
+    "propagate_at_launch", "true"
+  )}"
+}
+
 locals {
+  asg_tags = ["${null_resource.tags_as_list_of_maps.*.triggers}"]
+
   # More information: https://amazon-eks.s3-us-west-2.amazonaws.com/1.10.3/2018-06-05/amazon-eks-nodegroup.yaml
   workers_userdata = <<USERDATA
 #!/bin/bash -xe

examples/eks_test_fixture/outputs.tf

@@ -1,9 +1,24 @@
 output "cluster_endpoint" {
-  description = "Endpoint for EKS controlplane."
+  description = "Endpoint for EKS control plane."
   value       = "${module.eks.cluster_endpoint}"
 }
 
 output "cluster_security_group_ids" {
-  description = "."
+  description = "Security group ids attached to the cluster control plane."
   value       = "${module.eks.cluster_security_group_ids}"
 }
+
+output "kubectl_config" {
+  description = "kubectl config as generated by the module."
+  value       = "${module.eks.kubeconfig}"
+}
+
+output "config_map_aws_auth" {
+  description = ""
+  value       = "${module.eks.config_map_aws_auth}"
+}
+
+output "region" {
+  description = "AWS region."
+  value       = "${var.region}"
+}

main.tf

@@ -15,9 +15,6 @@
 ** You want to create a set of resources around an EKS cluster: namely an autoscaling group of workers and a security group for them.
 ** You've created a Virtual Private Cloud (VPC) and subnets where you intend to put this EKS.
 
-* It's recommended you use this module with [terraform-aws-vpc](https://registry.terraform.io/modules/terraform-aws-modules/vpc/aws),
-* and [terraform-aws-security-group](https://registry.terraform.io/modules/terraform-aws-modules/security-group/aws).
-
 * ## Usage example
 
 * A full example leveraging other community modules is contained in the [examples/eks_test_fixture directory](https://github.com/terraform-aws-modules/terraform-aws-eks/tree/master/examples/eks_test_fixture). Here's the gist of using it via the Terraform registry:
@@ -84,4 +81,4 @@
 * MIT Licensed. See [LICENSE](https://github.com/terraform-aws-modules/terraform-aws-eks/tree/master/LICENSE) for full details.
 */
 
-provider "http" {}
+provider "null" {}

outputs.tf

@@ -1,15 +1,15 @@
 output "config_map_aws_auth" {
-  description = "description"
+  description = ""
   value       = "${local.config_map_aws_auth}"
 }
 
 output "kubeconfig" {
-  description = "description"
+  description = "kubectl config file contents for this cluster."
   value       = "${local.kubeconfig}"
 }
 
 output "cluster_id" {
-  description = "The name of the cluster."
+  description = "The name/id of the cluster."
   value       = "${aws_eks_cluster.this.id}"
 }
 

workers.tf

@@ -5,7 +5,13 @@ resource "aws_autoscaling_group" "workers" {
   max_size             = "${var.workers_asg_max_size}"
   min_size             = "${var.workers_asg_min_size}"
   vpc_zone_identifier  = ["${var.subnets}"]
-  tags                 = ["${merge(var.tags, map("Name", "${var.cluster_name}-eks_asg", "propagate_at_launch", "true"))}"]
+
+  tags = ["${concat(
+    list(
+      map("key", "Name", "value", "${var.cluster_name}-eks_asg", "propagate_at_launch", true),
+    ),
+    local.asg_tags)
+  }"]
 }
 
 resource "aws_launch_configuration" "workers" {
@@ -69,8 +75,8 @@ resource "aws_iam_instance_profile" "workers" {
   role        = "${aws_iam_role.workers.name}"
 }
 
-resource "aws_iam_role_policy_attachment" "workers_AmazonEKSworkersNodePolicy" {
-  policy_arn = "arn:aws:iam::aws:policy/AmazonEKSworkersNodePolicy"
+resource "aws_iam_role_policy_attachment" "workers_AmazonEKSWorkerNodePolicy" {
+  policy_arn = "arn:aws:iam::aws:policy/AmazonEKSWorkerNodePolicy"
   role       = "${aws_iam_role.workers.name}"
 }