arv-v-dsm/agent/agent.sh
2023-11-09 01:08:46 +01:00

141 lines
2.5 KiB
Bash
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

#!/usr/bin/env bash
set -u
VERSION="9"
HEADER="VirtualDSM Agent"
# Functions
error () { echo -e "\E[1;31m ERROR: $1\E[0m" ; }
info () { echo -e "\E[1;34m\E[1;36m $1\E[0m" ; }
finish() {
echo " $HEADER: Shutting down.."
exit
}
function checkNMI {
local nmi
nmi=$(cat /proc/interrupts | grep NMI | sed 's/[^1-9]*//g')
if [ "$nmi" != "" ]; then
info "Received shutdown request through NMI.."
/usr/syno/sbin/synoshutdown -s > /dev/null
finish
fi
}
function downloadUpdate {
TMP="/tmp/agent.sh"
rm -f "${TMP}"
# Auto update the agent
URL="https://raw.githubusercontent.com/vdsm/virtual-dsm/master/agent/agent.sh"
remote_size=$(curl -sIk -m 4 "${URL}" | grep -i "content-length:" | tr -d " \t" | cut -d ':' -f 2)
remote_size=${remote_size//$'\r'}
[[ "$remote_size" == "" || "$remote_size" == "0" ]] && return
remote_size=$(($remote_size+0))
((remote_size<100)) && return
SCRIPT=$(readlink -f "${BASH_SOURCE[0]}")
local_size=$(stat -c%s "$SCRIPT")
local_size=$(($local_size+0))
[[ remote_size -eq local_size ]] && return
if ! curl -sfk -m 10 -o "${TMP}" "${URL}"; then
error "$HEADER: curl error ($?)" && return
fi
if [ ! -f "${TMP}" ]; then
error "$HEADER: update error, file not found.." && return
fi
line=$(head -1 "${TMP}")
if [[ "$line" != "#!/usr/bin/env bash" ]]; then
error "$HEADER: update error, invalid header: $line" && return
fi
if cmp --silent -- "${TMP}" "${SCRIPT}"; then
error "$HEADER: update file is already equal? (${local_size} / ${remote_size})" && return
fi
mv -f "${TMP}" "${SCRIPT}"
chmod 755 "${SCRIPT}"
info "$HEADER: succesfully installed update..."
}
function installPackages {
for filename in /usr/local/packages/*.spk; do
if [ -f "$filename" ]; then
BASE=$(basename "$filename" .spk)
BASE="${BASE%%-*}"
[[ $BASE == "ActiveInsight" ]] && continue
info "Installing package ${BASE}.."
/usr/syno/bin/synopkg install "$filename" > /dev/null
/usr/syno/bin/synopkg start "$BASE" > /dev/null &
rm "$filename"
fi
done
}
trap finish SIGINT SIGTERM
ts=$(date +%s%N)
echo ""
echo " Started $HEADER v$VERSION..."
checkNMI
# Install packages
first_run=false
for filename in /usr/local/packages/*.spk; do
if [ -f "$filename" ]; then
first_run=true
fi
done
if [ "$first_run" = true ]; then
installPackages
else
downloadUpdate
fi
# Wait for NMI interrupt as a shutdown signal
while true; do
checkNMI
sleep 2 & wait $!
done