Add Swap to multiple machines in bulk

script.sh

sudo su

apt-get update

apt-get install -y ansible

echo ANSIBLE_HOST_KEY_CHECKING=False >> /etc/environment

echo "
[machines]
IP_ADDRESS_1
IP_ADDRESS_2
IP_ADDRESS_3
IP_ADDRESS_4
IP_ADDRESS_5
IP_ADDRESS_6
IP_ADDRESS_7
IP_ADDRESS_8
IP_ADDRESS_9
IP_ADDRESS_10
" >> /etc/ansible/hosts

ansible machines -u admin --private-key=admin.pem -m ping

ansible machines -u admin --private-key=admin.pem -a 'free -m'

ansible machines -u admin --private-key=admin.pem -s -a 'ls -laH /swapfile'

ansible machines -u admin --private-key=admin.pem -s -a 'rm -rf /swapfile'

ansible machines -u admin --private-key=admin.pem -s -a 'ls -laH /swapfile'

ansible machines -u admin --private-key=admin.pem -s -a 'dd if=/dev/zero of=/swapfile count=4096 bs=1MiB'

ansible machines -u admin --private-key=admin.pem -s -a 'chmod 600 /swapfile'

ansible machines -u admin --private-key=admin.pem -s -a 'mkswap /swapfile'

ansible machines -u admin --private-key=admin.pem -s -a 'swapon /swapfile'

ansible machines -u admin --private-key=admin.pem -s -m lineinfile -a "path=/etc/fstab line='/swapfile   none    swap    sw    0   0' insertafter=EOF"

ansible machines -u admin --private-key=admin.pem -s -m shell -a 'free -m | tail -n 1' -o