Last active
June 26, 2020 16:18
-
-
Save libert-xyz/82b327fa5abf033af6a00326e762226b to your computer and use it in GitHub Desktop.
Resize EBS storage from the EC2 itself (Amazon Linux AMI release 2018.03)
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 | |
# Specify the desired volume size in GiB as a command-line argument. If not specified, default to 20 GiB. | |
SIZE=${1:-20} | |
# Install the jq command-line JSON processor. | |
sudo yum -y install jq | |
# Get the ID of the envrionment host Amazon EC2 instance. | |
INSTANCEID=$(curl http://169.254.169.254/latest/meta-data//instance-id) | |
# Get the ID of the Amazon EBS volume associated with the instance. | |
VOLUMEID=$(aws ec2 describe-instances --instance-id $INSTANCEID | jq -r .Reservations[0].Instances[0].BlockDeviceMappings[0].Ebs.VolumeId) | |
# Resize the EBS volume. | |
aws ec2 modify-volume --volume-id $VOLUMEID --size $SIZE | |
# Wait for the resize to finish. | |
while [ "$(aws ec2 describe-volumes-modifications --volume-id $VOLUMEID --filters Name=modification-state,Values="optimizing","completed" | jq '.VolumesModifications | length')" != "1" ]; do | |
sleep 1 | |
done | |
# Rewrite the partition table so that the partition takes up all the space that it can. | |
sudo growpart /dev/xvda 1 | |
# Expand the size of the file system. | |
sudo resize2fs /dev/xvda1 |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment