Terraform module to create an ECS Service for a web app (task), and an ALB target group to route requests.
This project is part of our comprehensive "SweetOps" approach towards DevOps.
It's 100% Open Source and licensed under the APACHE2.
We literally have hundreds of terraform modules that are Open Source and well-maintained. Check them out!
IMPORTANT: The master branch is used in source just as an example. In your code, do not pin to master because there may be breaking changes between releases.
Instead pin to the release tag (e.g. ?ref=tags/x.y.z) of one of our latest releases.
For a complete example, see examples/complete
module "label" {
source = "git::https://github.com/cloudposse/terraform-terraform-label.git?ref=master"
namespace = "eg"
stage = "staging"
name = "app"
}
module "container_definition" {
source = "git::https://github.com/cloudposse/terraform-aws-ecs-container-definition.git?ref=master"
container_name = "app"
container_image = "cloudposse/geodesic:latest"
environment = [
{
name = "string_var"
value = "I am a string"
},
{
name = "true_boolean_var"
value = true
},
{
name = "false_boolean_var"
value = false
},
{
name = "integer_var"
value = 42
},
]
port_mappings = [
{
containerPort = 8080
hostPort = 80
protocol = "tcp"
},
{
containerPort = 8081
hostPort = 443
protocol = "udp"
},
]
}
module "alb_service_task" {
source = "git::https://github.com/cloudposse/terraform-aws-ecs-alb-service-task.git?ref=master"
namespace = "eg"
stage = "staging"
name = "app"
alb_target_group_arn = "xxxxxxx"
container_definition_json = "${module.container_definition.json}"
container_name = "${module.label.id}"
ecs_cluster_arn = "xxxxxxx"
launch_type = "FARGATE"
vpc_id = "xxxxxxx"
security_group_ids = ["xxxxx", "yyyyy"]
private_subnet_ids = ["xxxxx", "yyyyy", "zzzzz"]
}The container_image in the container_definition module is the Docker image used to start a container.
This string is passed directly to the Docker daemon. Images in the Docker Hub registry are available by default.
Other repositories are specified with either repository-url/image:tag or repository-url/image@digest.
Up to 255 letters (uppercase and lowercase), numbers, hyphens, underscores, colons, periods, forward slashes, and number signs are allowed.
This parameter maps to Image in the Create a container section of the Docker Remote API and the IMAGE parameter of docker run.
When a new task starts, the Amazon ECS container agent pulls the latest version of the specified image and tag for the container to use. However, subsequent updates to a repository image are not propagated to already running tasks.
Images in Amazon ECR repositories can be specified by either using the full registry/repository:tag or registry/repository@digest.
For example, 012345678910.dkr.ecr.<region-name>.amazonaws.com/<repository-name>:latest or 012345678910.dkr.ecr.<region-name>.amazonaws.com/<repository-name>@sha256:94afd1f2e64d908bc90dbca0035a5b567EXAMPLE.
Images in official repositories on Docker Hub use a single name (for example, ubuntu or mongo).
Images in other repositories on Docker Hub are qualified with an organization name (for example, amazon/amazon-ecs-agent).
Images in other online repositories are qualified further by a domain name (for example, quay.io/assemblyline/ubuntu).
For more info, see Container Definition.
Available targets:
help Help screen
help/all Display help for all targets
help/short This help short screen
| Name | Description | Type | Default | Required |
|---|---|---|---|---|
| alb_security_group | Security group of the ALB | string | - | yes |
| alb_target_group_arn | The ALB target group ARN for the ECS service | string | - | yes |
| assign_public_ip | Assign a public IP address to the ENI (Fargate launch type only). Valid values are true or false. Default false. | string | false |
no |
| attributes | Additional attributes (e.g. 1) |
list | <list> |
no |
| container_definition_json | The JSON of the task container definition | string | - | yes |
| container_name | The name of the container in task definition to associate with the load balancer | string | - | yes |
| container_port | The port on the container to associate with the load balancer | string | 80 |
no |
| delimiter | Delimiter to be used between name, namespace, stage, etc. |
string | - |
no |
| deployment_controller_type | Type of deployment controller. Valid values: CODE_DEPLOY, ECS. |
string | ECS |
no |
| deployment_maximum_percent | The upper limit of the number of tasks (as a percentage of desired_count) that can be running in a service during a deployment |
string | 200 |
no |
| deployment_minimum_healthy_percent | The lower limit (as a percentage of desired_count) of the number of tasks that must remain running and healthy in a service during a deployment |
string | 100 |
no |
| desired_count | The number of instances of the task definition to place and keep running | string | 1 |
no |
| ecs_cluster_arn | The ARN of the ECS cluster where service will be provisioned | string | - | yes |
| health_check_grace_period_seconds | Seconds to ignore failing load balancer health checks on newly instantiated tasks to prevent premature shutdown, up to 7200. Only valid for services configured to use load balancers | string | 0 |
no |
| ignore_changes_task_definition | Whether to ignore changes in container definition and task definition in the ECS service | string | true |
no |
| launch_type | The launch type on which to run your service. Valid values are EC2 and FARGATE |
string | FARGATE |
no |
| name | Solution name, e.g. 'app' or 'cluster' | string | - | yes |
| namespace | Namespace, which could be your organization name, e.g. 'eg' or 'cp' | string | - | yes |
| network_mode | The network mode to use for the task. This is required to be awsvpc for FARGATE launch_type |
string | awsvpc |
no |
| security_group_ids | Security group IDs to allow in Service network_configuration |
list | - | yes |
| stage | Stage, e.g. 'prod', 'staging', 'dev', or 'test' | string | - | yes |
| subnet_ids | Subnet IDs | list | - | yes |
| tags | Additional tags (e.g. map('BusinessUnit,XYZ) |
map | <map> |
no |
| task_cpu | The number of CPU units used by the task. If using FARGATE launch type task_cpu must match supported memory values (https://docs.aws.amazon.com/AmazonECS/latest/developerguide/task_definition_parameters.html#task_size) |
string | 256 |
no |
| task_memory | The amount of memory (in MiB) used by the task. If using Fargate launch type task_memory must match supported cpu value (https://docs.aws.amazon.com/AmazonECS/latest/developerguide/task_definition_parameters.html#task_size) |
string | 512 |
no |
| volumes | Task volume definitions as list of maps | list | <list> |
no |
| vpc_id | The VPC ID where resources are created | string | - | yes |
| Name | Description |
|---|---|
| ecs_exec_role_policy_id | The ECS service role policy ID, in the form of role_name:role_policy_name |
| ecs_exec_role_policy_name | ECS service role name |
| service_name | ECS Service name |
| service_role_arn | ECS Service role ARN |
| service_security_group_id | Security Group ID of the ECS task |
| task_definition_family | ECS task definition family |
| task_definition_revision | ECS task definition revision |
| task_exec_role_arn | ECS Task exec role ARN |
| task_exec_role_name | ECS Task role name |
| task_role_arn | ECS Task role ARN |
| task_role_id | ECS Task role id |
| task_role_name | ECS Task role name |
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Check out these related projects.
- terraform-aws-alb - Terraform module to provision a standard ALB for HTTP/HTTP traffic
- terraform-aws-alb-ingress - Terraform module to provision an HTTP style ingress rule based on hostname and path for an ALB
- terraform-aws-codebuild - Terraform Module to easily leverage AWS CodeBuild for Continuous Integration
- terraform-aws-ecr - Terraform Module to manage Docker Container Registries on AWS ECR
- terraform-aws-ecs-web-app - Terraform module that implements a web app on ECS and supporting AWS resources
- terraform-aws-ecs-codepipeline - Terraform Module for CI/CD with AWS Code Pipeline and Code Build for ECS
- terraform-aws-ecs-cloudwatch-sns-alarms - Terraform module to create CloudWatch Alarms on ECS Service level metrics
- terraform-aws-ecs-container-definition - Terraform module to generate well-formed JSON documents that are passed to the aws_ecs_task_definition Terraform resource
- terraform-aws-lb-s3-bucket - Terraform module to provision an S3 bucket with built in IAM policy to allow AWS Load Balancers to ship access logs.
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Copyright © 2017-2019 Cloud Posse, LLC
See LICENSE for full details.
Licensed to the Apache Software Foundation (ASF) under one
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to you under the Apache License, Version 2.0 (the
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