AWS Elastic Container Service

Ladislav Prskavec ladislav@apiary.io

Apiary.io

Who am I?• Site Reliability Engineer (SRE) since 2015

• DevOp since 2014

• Developer since 2005 (PHP, Ruby, NodeJS)

• Webmaster 1995-2005

• Lector and Speaker about Developers Tools (Version Control Systems, CIE, CD)

AWS ECS• Amazon EC2 Container Service (ECS) is a highly

scalable, high performance container management service that supports Docker containers and allows you to easily run applications on a managed cluster of Amazon EC2 instances. Amazon ECS eliminates the need for you to install, operate, and scale your own cluster management infrastructure.

• Pricing: free (pay for EBS, EC2, ELB)

Components• Cluster

• Container instance

• Task definition

• Scheduler

• Service

• Task

• Container

Task Definitions• docker image

• CPU, Memory for container

• Links

• Ports

• Service, Task

• Environment properties

• Data Volumes Support for docker-compose was announced at DockerCon’15

Example

• AWS Command Line Interface

• pip install awscli

Create Cluster

$ aws ecs create-cluster \ --cluster-name meetup-demo

Run Instances

$ aws ecs run-instances \ --image-id ami-d0b9acb8 --count 1 --instance-type t2.small --key-name mykeys --security-group-ids sg-91d1f1ff --iam-instance-profile \ Name=ecsInstanceRole --subnet-id subnet-61f1cffd --user-data file://cluster_setup

Cluster setup file

$ cat cluster_setup#!/bin/bash

yum install -y aws-cli

aws s3 cp s3://my-ecs-config/ecs.config /etc/ecs/ecs.config

echo ECS_CLUSTER=meetup-demo >> /etc/ecs/ecs.config

List instances

$ aws ecs list-container-instances \ --cluster meetup-demo

List task definitions

$ aws ecs list-task-definitions

Register new task

$ aws ecs register-task-definition --cli-input-json file://task.json

Create service

$ aws ecs create-service --service-name our-demo --task-definition hello_meetup:1 --desired-count 1 --cluster meetup-demo

List running services

$ aws ecs list-services --cluster meetup-demo

Describe service

$ aws ecs describe-services --services our-demo --cluster meetup-demo

Q & Aladislav@apiary.io