bundles/icinga2: add some emoji to sent SMS, don't send output via SMS if everything is fine

bundles/icinga2/files/scripts/icinga_notification_wrapper

@@ -11,6 +11,14 @@ from sys import argv
 SIPGATE_USER='${node.metadata['icinga2']['sipgate_user']}'
 SIPGATE_PASS='${node.metadata['icinga2']['sipgate_pass']}'
 
+STATUS_TO_EMOJI = {
+    'critical': '🔥',
+    'down': '🚨🚨🚨',
+    'ok': '🆗',
+    'up': '👌',
+    'warning': '⚡⚡',
+}
+
 parser = ArgumentParser(
     prog='icinga_notification_wrapper',
     description='Icinga2 Notification Wrapper',
@@ -59,13 +67,27 @@ def log_to_syslog(message):
 
 
 def notify_per_sms():
-    message = {
-        'message': 'ICINGA: {host}{service} is {state}: {output}'.format(
+    if args.state.lower() in ['up', 'ok']:
+        output_text = ''
+    else:
+        output_text = '\n\n{}'.format(args.output)
+    if args.state.lower() in STATUS_TO_EMOJI:
+        message_text = '{emoji} {host}{service} {emoji}{output}'.format(
+            emoji=STATUS_TO_EMOJI[args.state.lower()],
             host=args.host_name,
             service=('/'+args.service_name if args.service_name else ''),
             state=args.state.upper(),
-            output=args.output
-        ),
+            output=output_text,
+        )
+    else:
+        message_text = 'ICINGA: {host}{service} is {state}{output}'.format(
+            host=args.host_name,
+            service=('/'+args.service_name if args.service_name else ''),
+            state=args.state.upper(),
+            output=output_text,
+        )
+    message = {
+        'message': message_text,
         'smsId': 's0', # XXX what does this mean? Documentation is unclear
         'recipient': args.sms
     }