virtual-dsm/src/check.sh
Kroese b9f3e52ba4
feat: Improve shutdown (#448)
* feat: Improve shutdown
2023-12-10 09:22:35 +01:00

48 lines
1.7 KiB
Bash

#!/usr/bin/env bash
set -Eeuo pipefail
[ ! -f "/run/qemu.pid" ] && echo "QEMU not running yet.." && exit 0
[ -f "/run/qemu.count" ] && echo "QEMU is shutting down.." && exit 1
file="/run/dsm.url"
url="http://127.0.0.1:2210/read?command=10"
if [ ! -f "$file" ]; then
# Retrieve IP from guest VM for Docker healthcheck
{ json=$(curl -m 20 -sk "$url"); rc=$?; } || :
(( rc != 0 )) && echo "Failed to connect to guest: curl error $rc" && exit 1
{ result=$(echo "$json" | jq -r '.status'); rc=$?; } || :
(( rc != 0 )) && echo "Failed to parse response from guest: jq error $rc ( $json )" && exit 1
[[ "$result" == "null" ]] && echo "Guest returned invalid response: $json" && exit 1
if [[ "$result" != "success" ]] ; then
{ msg=$(echo "$json" | jq -r '.message'); rc=$?; } || :
echo "Guest replied $result: $msg" && exit 1
fi
{ port=$(echo "$json" | jq -r '.data.data.dsm_setting.data.http_port'); rc=$?; } || :
(( rc != 0 )) && echo "Failed to parse response from guest: jq error $rc ( $json )" && exit 1
[[ "$port" == "null" ]] && echo "Guest has not set a portnumber yet.." && exit 1
[ -z "$port" ] && echo "Guest has not set a portnumber yet.." && exit 1
{ ip=$(echo "$json" | jq -r '.data.data.ip.data[] | select((.name=="eth0") and has("ip")).ip'); rc=$?; } || :
(( rc != 0 )) && echo "Failed to parse response from guest: jq error $rc ( $json )" && exit 1
[[ "$ip" == "null" ]] && echo "Guest returned invalid response: $json" && exit 1
[ -z "$ip" ] && echo "Guest has not received an IP yet.." && exit 1
echo "$ip:$port" > $file
fi
location=$(cat "$file")
if ! curl -m 20 -ILfSs "http://$location/" > /dev/null; then
echo "Failed to reach http://$location"
exit 1
fi
echo "Healthcheck OK"
exit 0