#!/bin/sh
# Fix DNS for the cyclingbot jail.
# The jail's resolv.conf currently points to 8.8.8.8 which is unreachable
# from the 172.16.0.x network. Replace with reachable nameservers.
#
# Usage:  sh scripts/fix-jail-dns.sh
#   or:    ssh root@172.16.0.101 "sh -s" < scripts/fix-jail-dns.sh

JAIL_ROOT="/jails/cyclingbot"
RESOLV_CONF="${JAIL_ROOT}/etc/resolv.conf"

if [ ! -f "$RESOLV_CONF" ]; then
    echo "Error: $RESOLV_CONF not found (is the jail running?)"
    exit 1
fi

echo "Current contents:"
cat "$RESOLV_CONF"
echo ""

cat > "$RESOLV_CONF" << 'EOF'
nameserver 1.1.1.1
nameserver 9.9.9.9
nameserver 172.16.0.1
search cassville.internal
EOF

echo "Updated contents:"
cat "$RESOLV_CONF"
echo ""
echo "DNS configuration updated."