update bw to 4.3, add .provides() to metadata reactors

bundles/nginx/metadata.py

@@ -35,7 +35,9 @@ defaults = {
 }
 
 
-@metadata_reactor
+@metadata_reactor.provides(
+    'nginx/worker_processes',
+)
 def worker_processes(metadata):
     return {
         'nginx': {
@@ -44,7 +46,10 @@ def worker_processes(metadata):
     }
 
 
-@metadata_reactor
+@metadata_reactor.provides(
+    'letsencrypt/domains',
+    'letsencrypt/reload_after',
+)
 def letsencrypt(metadata):
     if not node.has_bundle('letsencrypt'):
         raise DoNotRunAgain
@@ -65,7 +70,9 @@ def letsencrypt(metadata):
     }
 
 
-@metadata_reactor
+@metadata_reactor.provides(
+    'nginx/vhosts',
+)
 def index_files(metadata):
     vhosts = {}
 
@@ -89,7 +96,9 @@ def index_files(metadata):
     }
 
 
-@metadata_reactor
+@metadata_reactor.provides(
+    'icinga2_api/nginx/services',
+)
 def monitoring(metadata):
     services = {}
 
@@ -133,7 +142,9 @@ def monitoring(metadata):
     }
 
 
-@metadata_reactor
+@metadata_reactor.provides(
+    'iptables/bundle_rules/nginx',
+)
 def iptables(metadata):
     interfaces = metadata.get('nginx/restrict-to-interfaces', set())
     iptables = []