add_do_volume.sh

# Add a Digital Ocean storage Volume and move your whole Mastodon directory into it!
# Ansel Halliburton
# https://github.com/anseljh

# Unmount the volume's current mountpoint
# /dev/sda on /mnt/masty_vol_1 type ext4 (rw,noatime,discard)
umount /dev/sda

# Stop services
# We keep nginx up so it can at least serve a 500 error.
systemctl stop mastodon-web mastodon-sidekiq mastodon-streaming postgresql redis

# Move Mastodon folder to temp location
mv /home/mastodon /home/mastodon_temp

# Make a new empty folder at the original location
mkdir /home/mastodon

# Make mastodon user the owner of the folder
chown mastodon:mastodon /home/mastodon

# Mount volume to previous folder location
# https://docs.digitalocean.com/products/volumes/how-to/mount/
mount -o defaults,nofail,discard,noatime /dev/sda /home/mastodon

# Check mount
findmnt /home/mastodon

# Move contents
mv /home/mastodon_temp/* /home/mastodon

## Note: This did not copy the dotfiles!!!

# Start services
systemctl start mastodon-web mastodon-sidekiq mastodon-streaming postgresql redis
systemctl reload nginx

# Update fstab so the volume mounts on boot
# https://docs.digitalocean.com/products/volumes/how-to/mount/
echo "/dev/sda /home/mastodon ext4 defaults,nofail,discard,noatime 0 2" >> /etc/fstab

# Verify mounts are OK
# https://docs.digitalocean.com/products/volumes/how-to/mount/
findmnt --verify --verbose