improve wake on lan

bundles/systemd-timers/metadata.py

@@ -37,6 +37,8 @@ def systemd(metadata):
         })
         if config.get('working_dir'):
             units[f'{name}.service']['Service']['WorkingDirectory'] = config['working_dir']
+        if config.get('success_exit_status'):
+            units[f'{name}.service']['Service']['SuccessExitStatus'] = config['success_exit_status']
 
         services[f'{name}.timer'] = {}
 

bundles/wol-sleeper/files/suspend_if_idle

@@ -17,7 +17,7 @@ MIN_UPTIME=$(expr 60 \* 15)
 if [[ "$UPTIME" -lt "$MIN_UPTIME" ]]
 then
   echo "ABORT: uptime of ${UPTIME}s is lower than minimum of ${MIN_UPTIME}s"
-  exit 0
+  exit 75
 fi
 
 # CHECK FOR RUNNING TIMERS
@@ -30,7 +30,7 @@ do
   elif systemctl is-active "$SERVICE" --quiet
   then
     echo "ABORT: service $SERVICE is running by timer"
-    exit 0
+    exit 75
   fi
 done
 
@@ -40,7 +40,7 @@ LOGINS=$(netstat -tnpa | grep 'ESTABLISHED.*sshd' | tr -s ' ' | cut -d' ' -f5,7-
 if ! [[ -z "$LOGINS" ]]
 then
   echo "ABORT: users logged in: $LOGINS"
-  exit 0
+  exit 75
 fi
 
 # SUSPEND!
@@ -48,8 +48,26 @@ fi
 if [[ "$1" = check ]]
 then
   echo "WOULD SESPEND"
+  exit 0
 else
-  echo "SESPENDING"
-  sleep 60
-  systemctl suspend
+  echo "SESPENDING AFTER TIMEOUT"
+
+  for i in 1 2 3 4 5 6
+  do
+    echo "TIMEOUT ${i} success"
+    sleep 10
+
+    # check if condition is still met
+    if "$0" check
+    then
+      continue
+    else
+      echo "SESPENSION ABORTED"
+      exit 75
+    fi
+  done
+
+  echo "SESPENDING"
+  systemctl suspend
+  exit 0
 fi

bundles/wol-sleeper/metadata.py

@@ -6,6 +6,7 @@ defaults = {
         'packages': {
             'jq': {},
             'ethtool': {},
+            'net-tools': {},
         },
     },
 }
@@ -20,6 +21,7 @@ def timer(metadata):
             'suspend-if-idle': {
                 'command': f'suspend_if_idle',
                 'when': 'minutely',
+                'success_exit_status': '75',
                 'env': {
                     'THIS_SERVICE': 'suspend-if-idle.service',
                 },