bundles/mosquitto: only install telegraf plugin if we have telegraf

bundles/mosquitto/items.py

@@ -5,12 +5,6 @@ files = {
             'svc_systemd:mosquitto:restart',
         },
     },
-    '/usr/local/bin/tasmota-telegraf-plugin': {
-        'mode': '0755',
-        'needs': {
-            'pkg_apt:python3-paho-mqtt',
-        },
-    },
 }
 
 svc_systemd = {
@@ -23,6 +17,12 @@ svc_systemd = {
 }
 
 if node.has_bundle('telegraf'):
-    files['/usr/local/bin/tasmota-telegraf-plugin']['triggers'] = {
+    files['/usr/local/bin/tasmota-telegraf-plugin'] = {
-        'svc_systemd:telegraf:restart',
+        'mode': '0755',
+        'needs': {
+            'pkg_apt:python3-paho-mqtt',
+        },
+        'triggers': {
+            'svc_systemd:telegraf:restart',
+        },
     }

bundles/mosquitto/metadata.py

@@ -5,7 +5,6 @@ defaults = {
         'packages': {
             'mosquitto': {},
             'mosquitto-clients': {},
-            'python3-paho-mqtt': {}, # for telegraf plugin
         },
     },
     'icinga2_api': {
@@ -24,6 +23,9 @@ defaults = {
     },
 }
 
+if node.has_bundle('telegraf'):
+    defaults['apt']['packages']['python3-paho-mqtt'] = {}
+
 
 @metadata_reactor.provides(
     'firewall/port_rules',