software/powerdns: add multidomain support

Allow each instance to support a zone list instead of a single zone.
Each slave is set for only one defined zone.

software/powerdns/buildout.hash.cfg

@@ -26,7 +26,7 @@ md5sum = 20c37ea06a8fa405bc02470d5115fd11
 
 [template-dns-replicate]
 _update_hash_filename_ = instance-powerdns-replicate.cfg.jinja2
-md5sum = c2bd424f588ad57d37f4cf1329734fb6
+md5sum = 72ce30bee3b8a9da8ac9be7eb65d83a2
 
 [iso-list]
 _update_hash_filename_ = template/zz.countries.nexedi.dk.rbldnsd
@@ -34,4 +34,4 @@ md5sum = c4dc8c141d81b92d92cdb82ca67a13ee
 
 [template-zones-file]
 _update_hash_filename_ = template/zones-file.yml.jinja2
-md5sum = 03037141ad1d3467ae878c9798724f70
+md5sum = 612de569ac3d1e8cc10b830683ff92ae

software/powerdns/instance-powerdns-input-schema.json

@@ -33,12 +33,12 @@
       "default": "",
       "type": "string"
     },
-    "zone": {
+    "supported-zone-list": {
       "title": "Zone",
       "description": "Zone to be handled by the DNS cluster",
       "type": "string",
       "default": "domain.com",
-      "pattern": "^([a-zA-Z0-9]([a-zA-Z0-9\\-]{0,61}[a-zA-Z0-9])?\\.)+[a-zA-Z]{2,6}$"
+      "pattern": "^([a-zA-Z0-9]([a-zA-Z0-9\\-]{0,61}[a-zA-Z0-9])?\\.)+[a-zA-Z]{2,6}(\\s([a-zA-Z0-9]([a-zA-Z0-9\\-]{0,61}[a-zA-Z0-9])?\\.)+[a-zA-Z]{2,6})*$"
     },
     "server-admin": {
       "title": "Zone Administrator Email",
@@ -50,7 +50,7 @@
       "title": "DNS domains template string",
       "description": "Template used to generate DNS domain name",
       "type": "string",
-      "default": "ns%s. + zone"
+      "default": "ns%s.domain.com"
     },
     "monitor-interface-url": {
       "title": "Monitor Web Interface URL",

software/powerdns/instance-powerdns-replicate.cfg.jinja2

@@ -33,9 +33,9 @@ context =
 {% endif -%}
 
 ## DNS set up
-{% set zone = slapparameter_dict.pop('zone', 'domain.com') %}
+{%- set supported_zone_list = slapparameter_dict.pop('supported-zone-list', 'domain.com').split() %}
 {% set server_admin = slapparameter_dict.pop('server-admin', 'admin@domain.com') %}
-{% set dns_name_template_string = slapparameter_dict.pop('dns-name-template-string', 'ns%s.' + zone) %}
+{% set dns_name_template_string = slapparameter_dict.pop('dns-name-template-string', 'ns%s.domain.com') %}
 
 # Here we request individualy each dns.
 # The presence of sla parameters is checked and added if found
@@ -65,7 +65,7 @@ name = {{dns_name}}
 {%   if state_key in slapparameter_dict %}
 state = {{ slapparameter_dict.pop(state_key) }}
 {%   endif%}
-config-zone = {{ zone }}
+config-supported-zone-list = {{ ' '.join(supported_zone_list) }}
 config-soa = {{ "%s,%s" % (dns_domain, server_admin) }}
 {%   for parameter in sla_parameters -%}
 sla-{{ parameter }} = {{ slapparameter_dict.pop( sla_key + parameter ) }}
@@ -74,11 +74,9 @@ sla-{{ parameter }} = {{ slapparameter_dict.pop( sla_key + parameter ) }}
 [{{promise_section_title}}]
 <= monitor-promise-base
 module = check_port_listening
-name = pdns-port-listening.py
-{%   set ipv6 = '${' ~ request_section_title ~ ':connection-powerdns-ipv6}' -%}
-config-hostname = {{ipv6}}
-{%   set port = '${' ~ request_section_title ~ ':connection-powerdns-port}' -%}
-config-port = {{port}}
+name = {{promise_section_title}}.py
+config-hostname = {{ '${' ~ request_section_title ~ ':connection-powerdns-ipv6}' }}
+config-port = {{ '${' ~ request_section_title ~ ':connection-powerdns-port}' }}
 
 {%  do monitor_url_list.append('${' ~ request_section_title ~ ':connection-monitor-base-url}') -%}
 {% endfor -%}

software/powerdns/slave-instance-powerdns-input-schema.json

@@ -8,6 +8,13 @@
       "description": "Record for the configuration",
       "type": "string"
     },
+    "applicable-zone": {
+      "title": "Applicable Zone",
+      "description": "Zone to which this record belongs. You can put only one zone here. If the record belongs to several zones, you should create several slaves.",
+      "pattern": "^([a-zA-Z0-9]([a-zA-Z0-9\\-]{0,61}[a-zA-Z0-9])?\\.)+[a-zA-Z]{2,6}$",
+      "default": "domain.com",
+      "type": "string"
+    },
     "origin": {
       "title": "Origin",
       "description": "Used to qualify RR in the configuration. i.e.: if your origin is a.example.com and the RR for Europe is 'eu' the european clients will use eu.a.example.com",

software/powerdns/template/zones-file.yml.jinja2

 # See https://doc.powerdns.com/authoritative/backends/geoip.html
 
 {%- set slave_instance_list = json_module.loads(slapparameter_dict.get('extra_slave_instance_list', '[]')) %}
-{%- set zone = slapparameter_dict.get('zone', 'example.com') %}
+{%- set supported_zone_list = slapparameter_dict.get('supported-zone-list', 'example.com').split() %}
 
 {%- macro disambiguate_domain_name(a, b) %}
 {#- See http://www.dns-sd.org/trailingdotsindomainnames.html #}
@@ -13,6 +13,8 @@
 {%- endmacro %}
 
 domains:
+{%- for zone in supported_zone_list %}
+
 - domain: {{ zone }}
   # TODO: what value for ttl?
   ttl: 300
@@ -48,6 +50,7 @@ domains:
 
     {%- for slave in slave_instance_list %}
 
+    {%- if slave['applicable-zone'] == zone %}
     {%-   set origin = slave['origin'] %}
     {%-   set unique_slave_id = slave['slave_reference'] %}
     {#-   Set the RR to use for each region, as described in
@@ -77,13 +80,15 @@ domains:
       - cname: {{ disambiguate_domain_name(rr_dict[region], origin) }}
     {%-     endfor %}
     {%-   endfor %}
+    {%- endif %}
     {%- endfor %}
 
   services:
     {%- for slave in slave_instance_list %}
+    {%- if slave['applicable-zone'] == zone %}
     {%-   set origin = slave['origin'] %}
     {%-   set unique_slave_id = slave['slave_reference'] %}
-    {{ disambiguate_domain_name(slave['record'], zone) }}:
+    {{ disambiguate_domain_name(slave['record'], slave['applicable-zone']) }}:
       {#- Note: Placeholders (i.e. "country." and "continent.") are used to avoid
           possible name collisions, e.g.:
           - %cc for American Samoa is 'as'
@@ -94,4 +99,6 @@ domains:
       {%- for ip_range, country_code in china %}
       {{ ip_range }}: {{ country_code }}.country.{{ unique_slave_id }}
       {%- endfor %}
+    {%- endif %}
     {%- endfor %}
+{%- endfor %}