VMM_remote-control/vm_control.sh

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#!/bin/bash
# ./vm_control.sh [start|stop]
# der Pfad im Web-Verzeichnis von vm_control.php ist anzupassen:
vm_control_php_path="/volume1/web/vm_control.php"
################################################################################
# ab hier nichts mehr ändern
# ------------------------------------------------------------------------------
saved_IFS=$IFS
vm_state_path="$(dirname "$vm_control_php_path")/vm_state.php"
if [ ! $(which inotifywait) ]; then
echo "inotify-tools nicht installiert"
exit 1
elif [ $(whoami) != "root" ]; then
echo "ERROR: you are not root!"
exit 1
fi
inotify_start() {
PROZESSID=$(ps aux | grep -v "grep" | grep -E "inotifywait.*vm_state.php" | awk -F' ' '{print $2}')
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echo "..."
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if [[ -z $PROZESSID ]];then
echo "Überwachung von ${vm_state_path} wird gestartet"
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# initial Web-Status auslesen:
web_state=$(cat "$vm_state_path" | grep "=>" "$vm_state_path" | grep -v "letzter Zugriff")
declare -A vm_states
while read line ; do
vm=$(awk -F\' '{print $2}' <<<"$line")
vms+=( "$vm" )
vm_states[$vm]=$(echo "$line" | grep "$vm" | awk -F\' '{print $4}')
done <<<"$web_state"
inotifywait "${vm_state_path}" --monitor --event modify --timeout -1 --format %e |
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while read line ; do
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unset vm_states_saved
declare -A vm_states_saved
# associative array umschreiben / umbenennen:
for key in "${!vm_states[@]}"; do # make sure you include the quotes there
vm_states_saved+=( ["$key"]="${vm_states["$key"]}" )
# or:
# vm_states_saved["$key"]="${vm_states["$key"]}"
done
unset vm_states
unset vms
# neu einlesen:
web_state=$(cat "$vm_state_path" | grep "=>" "$vm_state_path" | grep -v "letzter Zugriff")
declare -A vm_states
while read line ; do
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vm=$(awk -F\' '{print $2}' <<<"$line")
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vms+=( "$vm" )
vm_states[$vm]=$(echo "$line" | grep "$vm" | awk -F\' '{print $4}')
echo "Name: $vm Status: $(echo "$line" | grep "$vm" | awk -F\' '{print $4}')"
done <<<"$web_state"
for vm in "${vms[@]}"; do
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vm_host_status=$(synowebapi --exec api=SYNO.Virtualization.API.Guest version=1 method=get runner=admin guest_name="$vm" 2>/dev/null | jq -r .data.status )
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if [ "${vm_states[$vm]}" = "${vm_states_saved[$vm]}" ]; then
echo "keine Änderung für $vm (web_state online: ${vm_states[$vm]} / web_state saved: ${vm_states_saved[$vm]})"
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continue
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else
echo "Änderung für $vm (web_state online: ${vm_states[$vm]} / web_state saved: ${vm_states_saved[$vm]})"
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fi
# wenn Änderung gefunden wurde:
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case "${vm_states[$vm]}" in
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on)
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if [ "$vm_host_status" = "shutdown" ]; then
echo "starte $vm ..."
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synowebapi --exec api=SYNO.Virtualization.API.Guest.Action version=1 method=poweron runner=admin guest_name="$vm" > /dev/null 2>&1
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else
echo "VM $vm hat folgenden Status und kann nicht gestartet werden: $vm_host_status"
fi
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;;
off)
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if [ "$vm_host_status" = "running" ]; then
echo "beende $vm ..."
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synowebapi --exec api=SYNO.Virtualization.API.Guest.Action version=1 method=shutdown runner=admin guest_name="$vm" > /dev/null 2>&1
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else
echo "VM $vm hat folgenden Status und kann nicht beendet werden: $vm_host_status"
fi
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;;
esac
done
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# done >/dev/null 2>&1 &
done &
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else
echo "läuft bereits …"
fi
}
inotify_stop()
{
# Überwachung stoppem:
# --------------------------------------------------------------
PROZESSID=$(ps aux | grep -v "grep" | grep -E "inotifywait.*vm_state.php" | awk -F' ' '{print $2}')
if [[ ! -z $PROZESSID ]];then
kill $PROZESSID
if [ $? = 0 ]; then
echo "Überwachung beendet"
exit 0
else
echo "FEHLER beim Beenden der Überwachung!"
exit 1
fi
else
echo "läuft nicht … "
fi
}
# start-stop-Überwachung:
case "$1" in
start)
inotify_start
echo "läuft … "
exit 0
;;
stop)
inotify_stop
exit 0
;;
esac
exit 0