Skip to content

Instantly share code, notes, and snippets.

@adeubank
Last active October 20, 2021 14:38
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save adeubank/0389bc2dd0af725acface97d9c0b4f15 to your computer and use it in GitHub Desktop.
Save adeubank/0389bc2dd0af725acface97d9c0b4f15 to your computer and use it in GitHub Desktop.
Boilerplate for running an ssh command across EC2 instances in an AutoScalingGroup. Check disk status on EC2 instances in an Autoscaling group name.
ASG_NAME=myautoscalinggroup
for ID in $(aws autoscaling describe-auto-scaling-instances --query 'AutoScalingInstances[?AutoScalingGroupName==`$ASG_NAME`].InstanceId' --output text);
do
IP=$(aws ec2 describe-instances --instance-ids $ID --query 'Reservations[].Instances[].PublicIpAddress' --output text)
ssh -q -o "StrictHostKeyChecking no" -i ec2.pem ec2-user@$IP 'echo $(hostname): $(df -h | grep /dev/nvme1n1)'
done
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment