149 lines
5.8 KiB
Bash
149 lines
5.8 KiB
Bash
#!/bin/bash
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# ./vm_control.sh [start|stop]
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# DIESES SKRIPT KOMMT IN EIN PRIVATES VERZEICHNIS
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# VMM verlangt root-Rechte, weshalb dieses Skript von root aufgerufen werden muss.
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vm_control_php_path="/volume1/web/vm_control.php" # der Pfad im Web-Verzeichnis von vm_control.php
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################################################################################
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# ab hier nichts mehr ändern
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# ------------------------------------------------------------------------------
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vm_state_path="$(dirname "$vm_control_php_path")/vm_state.php"
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if [ ! $(which inotifywait) ]; then
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echo "inotify-tools nicht installiert"
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exit 1
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elif [ $(whoami) != "root" ]; then
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echo "ERROR: du bist nicht root!"
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exit 1
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fi
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inotify_start() {
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PROZESSID=$(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
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echo "Überwachung von ${vm_state_path} wird gestartet"
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# initial Web-Status auslesen:
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web_state=$(cat "$vm_state_path" | grep "=>" "$vm_state_path" | grep -v "LOG:")
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declare -A vm_states
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while read line ; do
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vm=$(awk -F\' '{print $2}' <<<"$line")
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vms+=( "$vm" )
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vm_states[$vm]=$(echo "$line" | grep "$vm" | awk -F\' '{print $4}')
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done <<<"$web_state"
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inotifywait "${vm_state_path}" --monitor --event close_write --timeout -1 --format %e |
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while read line ; do
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unset vm_states_saved
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declare -A vm_states_saved
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# associative array umschreiben / umbenennen:
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for key in "${!vm_states[@]}"; do # make sure you include the quotes there
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vm_states_saved+=( ["$key"]="${vm_states["$key"]}" )
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# or:
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# vm_states_saved["$key"]="${vm_states["$key"]}"
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done
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unset vm_states
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unset vms
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# neu einlesen:
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web_state=$(cat "$vm_state_path" | grep "=>" "$vm_state_path" | grep -v "LOG:")
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declare -A vm_states
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while read line ; do
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vm=$(awk -F\' '{print $2}' <<<"$line")
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vms+=( "$vm" )
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vm_states[$vm]=$(echo "$line" | grep "$vm" | awk -F\' '{print $4}')
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printf "%-25s %s\n" "Name: $vm" "Status: $(echo "$line" | grep "$vm" | awk -F\' '{print $4}')"
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done <<<"$web_state"
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echo "-----------------------------------------"
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echo "MODIFIKATION ERKANNT ..."
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echo "online Status:"
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for i in "${!vm_states[@]}" ; do
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printf "%-25s ➜ %s\n" "$i" "${vm_states[$i]}"
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done
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echo -e
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echo "gespeicherte Status:"
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for i in "${!vm_states_saved[@]}" ; do
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printf "%-25s ➜ %s\n" "$i" "${vm_states_saved[$i]}"
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done
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echo "-----------------------------------------"
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# Änderungen filtern / Aktion ausführen:
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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
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echo "keine Änderung für $vm (web_state online: $(echo "${vm_states[$vm]}" | awk -F_ '{print $1}') / web_state saved: $(echo "${vm_states_saved[$vm]}" | awk -F_ '{print $1}'))"
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continue
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fi
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# wenn Änderung gefunden wurde:
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echo "Änderung für $vm (web_state online: $(echo "${vm_states[$vm]}" | awk -F_ '{print $1}') / web_state saved: $(echo "${vm_states_saved[$vm]}" | awk -F_ '{print $1}'))"
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case $(echo "${vm_states[$vm]}" | awk -F_ '{print $1}') in
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on)
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if [ "$vm_host_status" = "shutdown" ]; then
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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
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echo "VM $vm hat folgenden Status und kann nicht gestartet werden: $vm_host_status"
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fi
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;;
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off)
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if [ "$vm_host_status" = "running" ]; then
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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
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echo "VM $vm hat folgenden Status und kann nicht beendet werden: $vm_host_status"
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fi
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;;
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esac
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done
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done &
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else
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echo "läuft bereits …"
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fi
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}
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inotify_stop()
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{
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# Überwachung stoppem:
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# --------------------------------------------------------------
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PROZESSID=$(ps aux | grep -v "grep" | grep -E "inotifywait.*vm_state.php" | awk -F' ' '{print $2}')
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if [[ ! -z $PROZESSID ]];then
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kill $PROZESSID
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if [ $? = 0 ]; then
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echo "Überwachung beendet"
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exit 0
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else
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echo "FEHLER beim Beenden der Überwachung!"
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exit 1
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fi
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else
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echo "läuft nicht … "
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fi
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}
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# start-stop-Überwachung:
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case "$1" in
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start)
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inotify_start
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echo "läuft … "
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exit 0
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;;
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stop)
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inotify_stop
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exit 0
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;;
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esac
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exit 0
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