powerdns: Add port-redirection config file generation

software/powerdns/instance-powerdns.cfg

@@ -92,6 +92,17 @@ recipe = slapos.cookbook:wrapper
 command-line = ${powerdns:location}/bin/pdns_control reload --config-dir=$${pdns-directory:configuration}
 wrapper-path = $${directory:etc-run}/pdns-reload
 
+# Port redirection
+[port-redirection]
+<= jinja2-template-base
+template = inline:
+{%- raw %}
+  [{"srcPort": 53, "destPort": {{ pdns['port'] }}}]
+{% endraw -%}
+rendered = $${buildout:directory}/.slapos-port-redirect
+extra-context =
+  section pdns pdns
+
 # Promises
 [pdns-promise-listen-port]
 recipe = slapos.cookbook:check_port_listening
@@ -136,6 +147,7 @@ parts =
   pdns-configuration-template
   pdns-server
   pdns-reload
+  port-redirection
   pdns-promise-listen-port
   monitor-base
   publish-connection-informations

software/powerdns/software.cfg

@@ -25,7 +25,7 @@ mode = 0644
 [template-powerdns]
 recipe = slapos.recipe.template
 url = ${:_profile_base_location_}/instance-powerdns.cfg
-md5sum = 7710007c0bd1817e3c1485ea9ece1e23
+md5sum = 8ef7c87e23dd63c945c7e292fef7385d
 output = ${buildout:directory}/template-powerdns.cfg
 mode = 0644