chore(ansible): clean up host_vars YAML and normalize mail text blocks

host_vars/ga-gh-gw.oopen.de/ga-gh-gw-common.yml

@@ -5,10 +5,10 @@
 
 
 # If true, all additional files in /etc/network/interfaces/interfaces.d/ are deleted
-network_manage_devices: True
+network_manage_devices: true
 
 # Should the interfaces be reloaded after config change?
-network_interface_reload: False
+network_interface_reload: false
 
 network_interface_path: /etc/network/interfaces.d
 network_interface_required_packages:
@@ -31,7 +31,7 @@ network_interfaces:
 
 
   - device: eno2
-    headline: eno2 -  LAN 
+    headline: eno2 -  LAN
     auto: true
     family: inet
     method: static
@@ -132,7 +132,7 @@ cron_user_entries:
     job: /root/bin/admin-stuff/speedtest.sh
 
 
-#cron_user_special_time_entries: []
+# cron_user_special_time_entries: []
 cron_user_special_time_entries:
 
   - name: "Restart NTP service 'ntpsec'"
@@ -208,7 +208,7 @@ resolved_nameserver:
 # If there are more than one search domains, then specify them here in the order in which
 # the resolver should also search them
 #
-#resolved_domains: []
+# resolved_domains: []
 resolved_domains:
   - ~.
   - ga.netz
@@ -219,7 +219,7 @@ resolved_dnssec: false
 # dns.as250.net: 194.150.168.168
 #
 resolved_fallback_nameserver:
-   - 194.150.168.168
+  - 194.150.168.168
 
 
 # ---
@@ -359,28 +359,28 @@ bind9_gateway_acl:
       - 192.168.10.2
 
 bind9_gateway_listen_on_v6:
-   - none
+  - none
 
 bind9_gateway_listen_on:
   - any
 
-#bind9_gateway_allow_transfer: {}
+# bind9_gateway_allow_transfer: {}
 bind9_gateway_allow_transfer:
-   - none
+  - none
 
-bind9_transfer_source:  !!str "192.168.85.1"
+bind9_transfer_source: !!str "192.168.85.1"
 bind9_notify_source: !!str "192.168.85.1"
 
-#bind9_gateway_allow_query: {}
+# bind9_gateway_allow_query: {}
 bind9_gateway_allow_query:
   - local-net
 
-#bind9_gateway_allow_query_cache: {}
+# bind9_gateway_allow_query_cache: {}
 bind9_gateway_allow_query_cache:
   - local-net
 
-bind9_gateway_recursion:  !!str "yes"
-#bind9_gateway_allow_recursion: {}
+bind9_gateway_recursion: !!str "yes"
+# bind9_gateway_allow_recursion: {}
 bind9_gateway_allow_recursion:
   - local-net
 
@@ -404,4 +404,3 @@ git_firewall_repository:
 root_user:
   name: root
   password: $6$J1ssJfdshf/$mknQEPDcW4HN5.wFfawbamamywI7F7fhdZmaR1abNrc4DA7DNRx766lz3ygf9YV3gcmRq3QhJ3fBVlkwGMCvq.
-