virtual-dsm/run/check.sh
2023-05-11 16:23:59 +02:00

76 lines
1.6 KiB
Bash

#!/usr/bin/env bash
set -u
[ ! -f "/run/qemu.pid" ] && echo "QEMU not running yet.." && exit 0
# Retrieve IP from guest for Docker healthcheck
RESPONSE=$(curl -s -m 6 -S http://127.0.0.1:2210/read?command=10 2>&1)
if [[ ! "${RESPONSE}" =~ "\"success\"" ]] ; then
echo "Failed to connect to guest: $RESPONSE" && exit 1
fi
# Retrieve the HTTP port number
if [[ ! "${RESPONSE}" =~ "\"http_port\"" ]] ; then
echo "Failed to parse response from guest: $RESPONSE" && exit 1
fi
rest=${RESPONSE#*http_port}
rest=${rest#*:}
rest=${rest%%,*}
PORT=${rest%%\"*}
if [ -z "${PORT}" ]; then
echo "Guest has not set a portnumber yet.." && exit 1
fi
# Retrieve the IP address
if [[ ! "${RESPONSE}" =~ "eth0" ]] ; then
echo "Failed to parse response from guest: $RESPONSE" && exit 1
fi
rest=${RESPONSE#*eth0}
rest=${rest#*ip}
rest=${rest#*:}
rest=${rest#*\"}
IP=${rest%%\"*}
if [ -z "${IP}" ]; then
echo "Guest has not received an IP yet.." && exit 1
fi
if [[ "$IP" != "20.20"* ]] && [[ ! -f "/run/vlan.pid" ]] ; then
echo $$ > "/run/vlan.pid"
# Create a macvlan network to reach the VM guest
{ ip link add link eth0 dsm_vlan type macvlan mode bridge ; rc=$?; } || :
(( rc != 0 )) && echo "Cannot create macvlan interface." && exit 1
HOST_IP=$(ip address show dev eth0 | grep inet | awk '/inet / { print $2 }' | cut -f1 -d/)
#ip address add "${HOST_IP}" dev dsm_vlan
#ip link set dev dsm_vlan up
#ip route flush dev dsm_vlan
#ip route add "${IP}"/32 dev dsm_vlan metric 0
echo "Finished.."
fi
if ! curl -m 3 -ILfSs "http://${IP}:${PORT}/" > /dev/null; then
echo "Failed to reach ${IP}:${PORT}"
exit 1
fi
echo "Healthcheck OK ($IP)"
exit 0