HPFEEDS: Switched to environment variables

- Define Settings in .hpfeeds_settings.sh
- Settings get exported as env vars
- Ansible looks them up and updates the values in the tpot.yml file
- ews.cfg: Switched to env vars

cloud/ansible/roles/custom_ews/templates/ews.cfg

@@ -18,16 +18,16 @@ rhost_second = https://community.sicherheitstacho.eu/ews-0.1/alert/postSimpleMes
 ignorecert = false
 
 [HPFEED]
-hpfeed = false
-host = 0.0.0.0
-port = 0
-channels = 0
-ident = 0
-secret= 0
+hpfeed = %(EWS_HPFEEDS_ENABLE)s
+host = %(EWS_HPFEEDS_HOST)s
+port = %(EWS_HPFEEDS_PORT)s
+channels = %(EWS_HPFEEDS_CHANNELS)s
+ident = %(EWS_HPFEEDS_IDENT)s
+secret= %(EWS_HPFEEDS_SECRET)s
 # path/to/certificate for tls broker - or "false" for non-tls broker
-tlscert = false
+tlscert = %(EWS_HPFEEDS_TLSCERT)s
 # hpfeeds submission format: "ews" (xml) or "json"
-hpfformat = json
+hpfformat = %(EWS_HPFEEDS_FORMAT)s
 
 [EWSJSON]
 json = false