cdh-01-format_disk.sh

#Do not run this script unless you understand what it is doing
#Do not run this script more than once
echo -e "o\nn\np\n1\n\n\nw" | sudo fdisk /dev/sdb
sudo mkfs.ext4 -F /dev/sdb
sudo mkdir /data1
sudo sh -c "echo -e \"/dev/sdb   /data1    ext4    defaults        0 0\" >> /etc/fstab"
sudo mount -a

cdh-02-format_disks_on_all_nodes.sh

# Make sure contents of format_disk.sh is copied into a file called format_disk.sh
# Run these commands via ssh
# Do not run these commands on same node more than once
ansible all \
  -i hosts \
  -m script \
  -a "scripts/format_disk.sh" \
  --private-key=~/.ssh/google_compute_engine \
  --become
  
ansible all \
  -i hosts \
  -a "df -h" \
  --private-key=~/.ssh/google_compute_engine