Pyinfra that deploy my LXD server.
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#!/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