Launch EC2 instance for ECS cluster

Launch EC2 instance for ECS cluster

EC2 part

• go to EC2 dashboard

• click *create instance

• step 1. Choose AMI

  • search Amazon ECS-optimized AMIs for your region in this case ap-northeast-2 region recommended ami-030c18dab55018cb3

• step 2. Choose Instance Type -> pass

• step 3. Configure Instance -> you must set User data

  • in Advance Details section put User data 'As text'

# you must put this in User data 'As text'

#!/bin/bash
echo "ECS_CLUSTER=${CLUSTER_NAME}" >> /etc/ecs/ecs.config


e.g 

#!/bin/bash
echo "ECS_CLUSTER=some-clust-name" >> /etc/ecs/ecs.config

• step 4. Add Storage -> pass

• step 5. Add Tags -> pass

• step 6. Configure Security Group -> select your VPC default or create new one

• step 7. review and launch -> pass

Don't forget attach *ecsInstanceRole

How can I execute user data to automatically create a file with every restart of my Amazon EC2 instance?

Short Description

By default, user data scripts and cloud-init directives run only during the first boot cycle when an instance is launched.

Run user data after the initial launch of your EC2 instanceAmazon Web Services, Inc.

if instance failed to register on ECS you should make 'ecs.config' maunally ( NOT RECOMMEND)

$ ssh -i ${PEM_KEY_NAME}.pem ec2-user@${EC2-DNS}
$ cd /ect/ecs
$ sudo touch ecs.config
$ sudo vi ecs.config

sudo /usr/libexec/amazon-ecs-init start

Start the Docker daemon.

[ec2-user ~]$ sudo service docker start

Restart ecs-agent from user-dataStack Overflow

You the see the agent logs in: /var/log/ecs

change instance type

instance settings > Change instance type

Installing the Amazon ECS container agent - Amazon Elastic Container ServiceAmazon Elastic Container Service

ECS part

• select service

• service update and check *Force new deployment

• click update

free -m
cat /proc/cpuinfo

Amazon ECS-optimized AMIs

Amazon ECS-optimized AMI - Amazon Elastic Container ServiceAmazon Elastic Container Service

Bootstrapping Container Instances with Amazon EC2 User Data

Bootstrapping container instances with Amazon EC2 user data - Amazon Elastic Container ServiceAmazon Elastic Container Service