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How to create EKS Cluster using Terraform MODULES (antonputra#95)
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‎docs/contents.md

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- [122 - How to send AWS CloudWatch Alarms to Slack?](../lessons/122)
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- [123 - Creating a Linux service with systemd](../lessons/123)
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- [124 - AWS Lambda Go vs. Node.js performance benchmark](../lessons/124)
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- [125 - How to create EKS Cluster using Terraform MODULES?](../lessons/125)

‎lessons/124/terraform/4-nodejs-lambda.tf

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}
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resource "aws_iam_policy" "nodejs_s3_bucket_access" {
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name = "NodejsS3BucketAccess"
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name = "NodejsS3BucketAccess"
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policy = jsonencode({
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Version = "2012-10-17"
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}
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resource "aws_iam_policy" "nodejs_dynamodb_access" {
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name = "NodejsDynamoDBAccess"
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name = "NodejsDynamoDBAccess"
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policy = jsonencode({
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Version = "2012-10-17"
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Statement = [
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{
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Action = [
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"dynamodb:GetItem",
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"dynamodb:DeleteItem",
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"dynamodb:PutItem",
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"dynamodb:Scan",
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"dynamodb:Query",
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"dynamodb:UpdateItem",
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"dynamodb:BatchWriteItem",
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"dynamodb:BatchGetItem",
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"dynamodb:DescribeTable",
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"dynamodb:ConditionCheckItem"
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"dynamodb:GetItem",
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"dynamodb:DeleteItem",
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"dynamodb:PutItem",
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"dynamodb:Scan",
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"dynamodb:Query",
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"dynamodb:UpdateItem",
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"dynamodb:BatchWriteItem",
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"dynamodb:BatchGetItem",
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"dynamodb:DescribeTable",
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"dynamodb:ConditionCheckItem"
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]
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Effect = "Allow"
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Resource = "arn:aws:dynamodb:*:*:table/Meta"
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environment {
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variables = {
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BUCKET_NAME = aws_s3_bucket.images_bucket.id
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BUCKET_NAME = aws_s3_bucket.images_bucket.id
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}
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}
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‎lessons/124/terraform/5-go-lambda.tf

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}
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resource "aws_iam_policy" "go_s3_bucket_access" {
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name = "goS3BucketAccess"
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name = "goS3BucketAccess"
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policy = jsonencode({
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Version = "2012-10-17"
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}
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resource "aws_iam_policy" "go_dynamodb_access" {
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name = "goDynamoDBAccess"
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name = "goDynamoDBAccess"
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policy = jsonencode({
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Version = "2012-10-17"
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Statement = [
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{
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Action = [
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"dynamodb:GetItem",
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"dynamodb:DeleteItem",
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"dynamodb:PutItem",
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"dynamodb:Scan",
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"dynamodb:Query",
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"dynamodb:UpdateItem",
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"dynamodb:BatchWriteItem",
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"dynamodb:BatchGetItem",
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"dynamodb:DescribeTable",
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"dynamodb:ConditionCheckItem"
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"dynamodb:GetItem",
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"dynamodb:DeleteItem",
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"dynamodb:PutItem",
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"dynamodb:Scan",
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"dynamodb:Query",
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"dynamodb:UpdateItem",
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"dynamodb:BatchWriteItem",
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"dynamodb:BatchGetItem",
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"dynamodb:DescribeTable",
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"dynamodb:ConditionCheckItem"
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]
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Effect = "Allow"
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Resource = "arn:aws:dynamodb:*:*:table/Meta"
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environment {
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variables = {
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BUCKET_NAME = aws_s3_bucket.images_bucket.id
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BUCKET_NAME = aws_s3_bucket.images_bucket.id
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}
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}
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‎lessons/125/README.md

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# How to create EKS Cluster using Terraform MODULES (AWS Load Balancer Controller + Autoscaler + IRSA)
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You can find tutorial [here](https://antonputra.com/amazon/create-eks-cluster-using-terraform-modules/).

‎lessons/125/k8s/echoserver.yaml

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---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: echoserver
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namespace: default
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spec:
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selector:
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matchLabels:
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app: echoserver
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replicas: 1
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template:
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metadata:
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labels:
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app: echoserver
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spec:
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containers:
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- image: k8s.gcr.io/e2e-test-images/echoserver:2.5
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name: echoserver
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ports:
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- containerPort: 8080
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---
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apiVersion: v1
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kind: Service
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metadata:
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name: echoserver
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namespace: default
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spec:
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ports:
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- port: 8080
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protocol: TCP
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type: ClusterIP
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selector:
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app: echoserver
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---
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apiVersion: networking.k8s.io/v1
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kind: Ingress
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metadata:
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name: echoserver
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namespace: default
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annotations:
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alb.ingress.kubernetes.io/scheme: internet-facing
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alb.ingress.kubernetes.io/target-type: ip
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spec:
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ingressClassName: alb
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rules:
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- host: echo.devopsbyexample.io
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http:
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paths:
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- path: /
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pathType: Exact
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backend:
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service:
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name: echoserver
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port:
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number: 8080

‎lessons/125/k8s/nginx.yaml

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---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: nginx-deployment
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spec:
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replicas: 4
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selector:
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matchLabels:
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app: nginx
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template:
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metadata:
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labels:
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app: nginx
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spec:
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containers:
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- name: nginx
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image: nginx:1.14.2
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resources:
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requests:
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cpu: "1"

‎lessons/125/terraform/.terraform.lock.hcl

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‎lessons/125/terraform/0-aws-provider.tf

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provider "aws" {
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region = "us-east-1"
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}
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terraform {
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required_providers {
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kubectl = {
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source = "gavinbunney/kubectl"
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version = ">= 1.14.0"
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}
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helm = {
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source = "hashicorp/helm"
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version = ">= 2.6.0"
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}
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}
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required_version = "~> 1.0"
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}

‎lessons/125/terraform/1-vpc.tf

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module "vpc" {
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source = "terraform-aws-modules/vpc/aws"
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version = "3.14.3"
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name = "main"
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cidr = "10.0.0.0/16"
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azs = ["us-east-1a", "us-east-1b"]
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private_subnets = ["10.0.0.0/19", "10.0.32.0/19"]
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public_subnets = ["10.0.64.0/19", "10.0.96.0/19"]
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public_subnet_tags = {
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"kubernetes.io/role/elb" = "1"
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}
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private_subnet_tags = {
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"kubernetes.io/role/internal-elb" = "1"
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}
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enable_nat_gateway = true
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single_nat_gateway = true
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one_nat_gateway_per_az = false
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enable_dns_hostnames = true
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enable_dns_support = true
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tags = {
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Environment = "staging"
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}
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}

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