-
-
Save anjakammer/0f6148061b735e5abc96ee1fb469bb77 to your computer and use it in GitHub Desktop.
EC2 user data for setting up an EC2 instance with SSM and deploying into an ECS cluster.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/bin/bash | |
# Install the SSM agent: | |
# Ref: https://docs.aws.amazon.com/systems-manager/latest/userguide/sysman-install-startup-linux.html | |
cd /tmp | |
sudo yum install -y https://s3.amazonaws.com/ec2-downloads-windows/SSMAgent/latest/linux_amd64/amazon-ssm-agent.rpm | |
sudo start amazon-ssm-agent | |
echo ECS_CLUSTER="ECS_CLUSTER_NAME" >> /etc/ecs/ecs.config | |
export PATH=/usr/local/bin:$PATH | |
yum -y install jq | |
easy_install pip | |
pip install awscli | |
aws configure set default.region "ca-central-1" | |
cat <<EOF > /etc/init/spot-instance-termination-notice-handler.conf | |
description "Start spot instance termination handler monitoring script" | |
author "Amazon Web Services" | |
start on started ecs | |
script | |
echo $$ > /var/run/spot-instance-termination-notice-handler.pid | |
exec /usr/local/bin/spot-instance-termination-notice-handler.sh | |
end script | |
pre-start script | |
logger "[spot-instance-termination-notice-handler.sh]: spot instance termination | |
notice handler started" | |
end script | |
EOF | |
cat <<EOF > /usr/local/bin/spot-instance-termination-notice-handler.sh | |
#!/bin/bash | |
while sleep 5; do | |
if [ -z $(curl -Isf http://169.254.169.254/latest/meta-data/spot/termination-time)]; then | |
/bin/false | |
else | |
logger "[spot-instance-termination-notice-handler.sh]: spot instance termination notice detected" | |
STATUS=DRAINING | |
ECS_CLUSTER=$(curl -s http://localhost:51678/v1/metadata | jq .Cluster | tr -d '"') | |
CONTAINER_INSTANCE=$(curl -s http://localhost:51678/v1/metadata | jq .ContainerInstanceArn | tr -d '"') | |
logger "[spot-instance-termination-notice-handler.sh]: putting instance in state $STATUS" | |
/usr/local/bin/aws ecs update-container-instances-state --cluster $ECS_CLUSTER --container-instances $CONTAINER_INSTANCE --status $STATUS | |
logger "[spot-instance-termination-notice-handler.sh]: putting myself to sleep..." | |
sleep 120 # exit loop as instance expires in 120 secs after terminating notification | |
fi | |
done | |
EOF | |
chmod +x /usr/local/bin/spot-instance-termination-notice-handler.sh |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment