pyinfra-lxd/files/lxd-databases.sh

#!/usr/bin/env bash
set -euo pipefail

cd /var/backups/databases
for i in $(lxc list --format csv -c n); do
  if lxc exec "$i" -- which mysql >/dev/null 2>&1; then
    echo "Dumping $i"
    lxc exec "$i" -- mysqldump --opt --all-databases --force --hex-blob | cat > "${i}.sql"
  fi
  if lxc exec "$i" -- which psql >/dev/null 2>&1; then
    if lxc exec "$i" -- id postgres >/dev/null 2>&1; then
      echo "Dumping $i"
      lxc exec "$i" -- sudo -u postgres pg_dumpall 2>/dev/null | cat > "${i}.sql"
    fi
  fi
done