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rcj4747/change_cloudinit_datasource.sh

Last active January 1, 2024 10:16
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An example of changing the datasource in cloud-init
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change_cloudinit_datasource.sh
# Get the Ubuntu cloud image of your choosing (this example uses the latest Xenial daily)
wget http://cloud-images.ubuntu.com/xenial/current/xenial-server-cloudimg-amd64-disk1.img
# Set the cloud-init datasource to use explicitly (this example uses the EC2 datasource)
sudo mount-image-callback xenial-server-cloudimg-amd64-disk1.img -- \
sh -c 'echo "datasource: Ec2" > $MOUNTPOINT/etc/cloud/ds-identify.cfg'
# Confirm the current datasource configuration
sudo mount-image-callback xenial-server-cloudimg-amd64-disk1.img -- \
chroot _MOUNTPOINT_ cat /etc/cloud/ds-identify.cfg
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