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November 29, 2021 14:28
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SkillFactory, a task solution ECS with EC2. Getting started with the classic console using Amazon EC2
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| # This role has a trust relationship which allows | |
| # to assume the role of ec2 | |
| resource "aws_iam_role" "ecs" { | |
| name = "${var.appName}_ecs_${var.environ}" | |
| assume_role_policy = <<EOF | |
| { | |
| "Version": "2012-10-17", | |
| "Statement": [ | |
| { | |
| "Action": "sts:AssumeRole", | |
| "Principal": { | |
| "Service": "ec2.amazonaws.com" | |
| }, | |
| "Effect": "Allow", | |
| "Sid": "" | |
| } | |
| ] | |
| } | |
| EOF | |
| } | |
| # This is a policy attachement for the "ecs" role, it provides access | |
| # to the the ECS service. | |
| resource "aws_iam_policy_attachment" "ecs_for_ec2" { | |
| name = "${var.appName}_${var.environ}" | |
| roles = [aws_iam_role.ecs.id] | |
| policy_arn = "arn:aws:iam::aws:policy/service-role/AmazonEC2ContainerServiceforEC2Role" | |
| } | |
| resource "aws_iam_instance_profile" "ecs" { | |
| name = "${var.appName}_${var.environ}" | |
| role = aws_iam_role.ecs.name | |
| } |
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| resource "aws_ecs_task_definition" "sample_app" { | |
| container_definitions = file("sampleApp.json") | |
| family = var.appName | |
| requires_compatibilities = ["EC2"] | |
| } | |
| resource "aws_ecs_service" "sample_app" { | |
| name = "${var.appName}_${var.environ}" | |
| cluster = aws_ecs_cluster.sample_app.id | |
| task_definition = aws_ecs_task_definition.sample_app.arn | |
| launch_type = "EC2" | |
| desired_count = 1 | |
| deployment_maximum_percent = 100 | |
| deployment_minimum_healthy_percent = 0 | |
| } | |
| resource "aws_ecs_cluster" "sample_app" { | |
| name = "sample_app" | |
| } | |
| resource "aws_launch_configuration" "ecs_cluster" { | |
| name = "${var.appName}_cluster_conf_${var.environ}" | |
| associate_public_ip_address = true | |
| iam_instance_profile = aws_iam_instance_profile.ecs.id | |
| image_id = lookup(var.ami, var.aws_region) | |
| instance_type = "t2.micro" | |
| security_groups = [ | |
| aws_security_group.allow_all_outbound.id, | |
| aws_security_group.allow_cluster.id, | |
| ] | |
| user_data = "#!/bin/bash\necho ECS_CLUSTER=${aws_ecs_cluster.sample_app.name} > /etc/ecs/ecs.config" | |
| } | |
| resource "aws_autoscaling_group" "ecs_cluster" { | |
| name = "${var.appName}_${var.environ}" | |
| vpc_zone_identifier = module.vpc.public_subnets | |
| min_size = 0 | |
| max_size = 1 | |
| desired_capacity = 1 | |
| launch_configuration = aws_launch_configuration.ecs_cluster.name | |
| health_check_type = "EC2" | |
| } |
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| module "vpc" { | |
| source = "terraform-aws-modules/vpc/aws" | |
| name = "${var.appName}-${var.environ}-vpc" | |
| version = "~> 3.0" | |
| azs = [var.aws_region_full] | |
| cidr = "10.100.0.0/16" | |
| public_subnets = ["10.100.101.0/24"] | |
| } |
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| # Use envs for setup your credentials OR provider settings below | |
| # export AWS_ACCESS_KEY_ID="anaccesskey" | |
| # export AWS_SECRET_ACCESS_KEY="asecretkey" | |
| # export AWS_DEFAULT_REGION="us-west-2" | |
| #provider "aws" { | |
| # access_key = "<You access_key>" | |
| # secret_key = "<You secret_key>" | |
| # region = "<You AWS region>" | |
| #} |
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| [ | |
| { | |
| "entryPoint": [ | |
| "sh", | |
| "-c" | |
| ], | |
| "portMappings": [ | |
| { | |
| "hostPort": 80, | |
| "protocol": "tcp", | |
| "containerPort": 80 | |
| } | |
| ], | |
| "command": [ | |
| "/bin/sh -c \"echo '<html><head> <title>Amazon ECS Sample App</title> <style>body {margin-top: 40px; background-color: #333;} </style> </head><body> <div style=color:white;text-align:center> <h1>Amazon ECS Sample App</h1> <h2>Congratulations!</h2> <p>Your application is now running on a container in Amazon ECS.</p> <h2>SkillFactory edition </h2> </div></body></html>' > /usr/local/apache2/htdocs/index.html && httpd-foreground\"" | |
| ], | |
| "cpu": 10, | |
| "memory": 300, | |
| "image": "httpd:2.4", | |
| "name": "simple-app" | |
| } | |
| ] |
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| resource "aws_security_group" "allow_all_outbound" { | |
| name_prefix = "${var.appName}-${var.environ}-${module.vpc.vpc_id}-" | |
| description = "Allow all outbound traffic" | |
| vpc_id = module.vpc.vpc_id | |
| egress { | |
| from_port = 0 | |
| to_port = 0 | |
| protocol = "-1" | |
| cidr_blocks = ["0.0.0.0/0"] | |
| } | |
| } | |
| resource "aws_security_group" "allow_all_inbound" { | |
| name_prefix = "${var.appName}-${var.environ}-${module.vpc.vpc_id}-" | |
| description = "Allow all inbound traffic" | |
| vpc_id = module.vpc.vpc_id | |
| ingress { | |
| from_port = 0 | |
| to_port = 0 | |
| protocol = "-1" | |
| cidr_blocks = ["0.0.0.0/0"] | |
| } | |
| } | |
| resource "aws_security_group" "allow_cluster" { | |
| name_prefix = "${var.appName}-${var.environ}-${module.vpc.vpc_id}-" | |
| description = "Allow all traffic within cluster" | |
| vpc_id = module.vpc.vpc_id | |
| ingress { | |
| from_port = 1 | |
| to_port = 65535 | |
| protocol = "tcp" | |
| cidr_blocks = ["0.0.0.0/0"] | |
| } | |
| egress { | |
| from_port = 0 | |
| to_port = 0 | |
| protocol = "-1" | |
| cidr_blocks = ["0.0.0.0/0"] | |
| } | |
| } |
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| variable "environ" { default = "demo" } | |
| variable "appName" { default = "console-sample-app-static" } | |
| variable "aws_region" { default = "eu-central-1" } | |
| variable "aws_region_full" { default = "eu-central-1a" } | |
| variable "ami" { | |
| description = "AWS ECS AMI id" | |
| default = { | |
| eu-central-1 = "ami-0e8f6957a4eb67446" | |
| } | |
| } |
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| terraform { | |
| required_version = ">= 1.0.0" | |
| required_providers { | |
| aws = ">= 2.0" | |
| } | |
| } |
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