Commit 36211420 authored by Léo-Paul Géneau's avatar Léo-Paul Géneau 👾

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.
parent 4d6ce023
......@@ -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
......@@ -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",
......
......@@ -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('${' ~ request_section_title ~ ':connection-monitor-base-url}') -%}
{% endfor -%}
......
......@@ -8,6 +8,13 @@
"description": "Record for the configuration",
"type": "string"
},
"applicable-zone": {
"title": "Applicable Zone",
"description": "Zone to which this record belongs. You can put only one zone here. If the record belongs to several zones, you should create several slaves.",
"pattern": "^([a-zA-Z0-9]([a-zA-Z0-9\\-]{0,61}[a-zA-Z0-9])?\\.)+[a-zA-Z]{2,6}$",
"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",
......
# 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 %}
......@@ -31,11 +31,14 @@ import dns.query
import http.client
import os
import requests
import unittest
from slapos.recipe.librecipe import generateHashFromFiles
from slapos.testing.testcase import makeModuleSetUpAndTestCaseClass
skip = unittest.skip('port conflit between powerdns instances')
setUpModule, SlapOSInstanceTestCase = makeModuleSetUpAndTestCaseClass(
os.path.abspath(
os.path.join(os.path.dirname(__file__), '..', 'software.cfg')))
......@@ -59,42 +62,40 @@ WEST_ASIAN_SUBNET = '46.70.0.0'
class PowerDNSTestCase(SlapOSInstanceTestCase):
# power dns uses sockets and need shorter paths on test nodes.
__partition_reference__ = 'pdns'
default_zone = 'domain.com'
default_supported_zone = 'domain.com'
# focus to test connexion parameters only depending on PowerDNS
def getPowerDNSParameterDict(self, parameter_dict):
new_parameter_dict = {}
for key, value in parameter_dict.items():
if key in [
'ns-record',
'ns1-port',
'ns1-ipv6',
'slave-amount',
]:
new_parameter_dict[key] = value
return new_parameter_dict
def getPowerDNSConnexionParameterDict(self):
def getPowerDNSParameterDict(self, parameter_dict, dns_quantity):
selected_key_list = ['ns-record', ]
for replicate_nb in range(1, dns_quantity + 1):
selected_key_list.append('ns%s-port' % replicate_nb)
selected_key_list.append('ns%s-ipv6' % replicate_nb)
selected_key_list.append('slave-amount')
return {
k: v for k, v in parameter_dict.items() if k in selected_key_list
}
def getPowerDNSConnexionParameterDict(self, dns_quantity=1):
return self.getPowerDNSParameterDict(
self.requestDefaultInstance().getConnectionParameterDict()
self.requestDefaultInstance().getConnectionParameterDict(),
dns_quantity
)
def _test_parameter_dict(self, zone=None, dns_quantity=1, slave_amount=0):
if zone is None:
zone = self.default_zone
def _test_parameter_dict(self, dns_quantity=1, slave_amount=0):
parameter_dict = self.getPowerDNSConnexionParameterDict()
expected_dict = {
'ns-record': '',
}
ns_record = ''
ns_record = []
for replicate_nb in range(1, dns_quantity + 1):
prefix = 'ns%s' % replicate_nb
ns_record += prefix + '.%s' % zone
expected_dict[prefix + '-port'] = str(DNS_PORT)
expected_dict[prefix + '-ipv6'] = self._ipv6_address
expected_dict['ns-record'] = ns_record
ns_id = 'ns%s' % replicate_nb
ns_record.append(ns_id + '.' + self.default_supported_zone)
expected_dict[ns_id + '-port'] = str(DNS_PORT)
expected_dict[ns_id + '-ipv6'] = self._ipv6_address
expected_dict['ns-record'] = ','.join(ns_record)
expected_dict['slave-amount'] = str(slave_amount)
self.assertEqual(expected_dict, parameter_dict)
......@@ -149,24 +150,11 @@ class TestMasterRequest(PowerDNSTestCase):
self._test_parameter_dict()
class TestMasterRequestDomain(PowerDNSTestCase):
@classmethod
def getInstanceParameterDict(cls):
return {
'zone': 'toto.example.com',
}
def test(self):
self._test_parameter_dict(zone=self.getInstanceParameterDict()['zone'])
class PowerDNSSlaveTestCase(PowerDNSTestCase):
@classmethod
def requestDefaultInstance(cls):
default_instance = super(PowerDNSSlaveTestCase, cls)\
.requestDefaultInstance()
def requestDefaultInstance(cls, state='started'):
default_instance = super().requestDefaultInstance(state=state)
cls.requestSlaves()
return default_instance
......@@ -202,49 +190,19 @@ class PowerDNSSlaveTestCase(PowerDNSTestCase):
).getConnectionParameterDict())
return parameter_dict_list
@classmethod
def getSlaveParameterDictDict(cls):
return {
'slave-pdns1': {
'record': 'test1',
'origin': 'nexedi.com',
'default': 'test1.com.',
'africa': 'test1africa.com.',
'china-telecom': 'test1china-telecom.com.',
'china-unicom': 'test1china-unicom.com.',
'china-mobile': 'test1china-mobile.com.',
'east-asia': 'test1east-asia.com.',
'europe': 'test1europe.com.',
'hong-kong': 'test1hong-kong.com.',
'japan': 'test1japan.com.',
'north-america': 'test1north-america.com.',
'oceania': 'test1oceania.com.',
'south-america': 'test1south-america.com.',
'west-asia': 'test1west-asia.com.',
},
'slave-pdns2': {
'record': 'test2',
'origin': 'nexedi.com',
'default': 'test2.com.',
'china-telecom': 'test2china-telecom.com.',
'europe': 'test2europe.com.',
'japan': 'test2japan.com.',
}
}
def dns_query(self, domain_name, subnet):
message = dns.message.make_query(domain_name, 'A')
client_subnet_option = dns.edns.ECSOption(subnet)
message.use_edns(options=[client_subnet_option])
answer = dns.query.udp(message, self._ipv6_address, port=DNS_PORT)
return answer.find_rrset(
return answer.get_rrset(
dns.message.ANSWER,
dns.name.from_text(domain_name),
dns.rdataclass.IN,
dns.rdatatype.CNAME
).to_text().split()[-1]
def _test_dns_resolver(self, zone):
def _test_dns_resolver(self):
slave_parameter_dict_dict = self.getSlaveParameterDictDict()
subnet_dict = {
'africa': AFRICAN_SUBNET,
......@@ -277,39 +235,195 @@ class PowerDNSSlaveTestCase(PowerDNSTestCase):
for slave_name in slave_parameter_dict_dict:
slave_parameter_dict = slave_parameter_dict_dict[slave_name]
domain_name = '%s.%s' % (slave_parameter_dict['record'], zone)
domain_name = '%s.%s' % (
slave_parameter_dict['record'], slave_parameter_dict['applicable-zone']
)
for region in subnet_dict:
self.assertEqual(
slave_parameter_dict.pop(
slave_parameter_dict.get(
region,
'%s.%s.' % (default_rr_dict[region], slave_parameter_dict['origin'])
),
self.dns_query(domain_name, subnet_dict[region])
)
def _test(self, zone=None):
if zone is None:
zone = self.default_zone
def _test_slaves(self, dns_quantity=1):
self._test_parameter_dict(
zone=zone,
dns_quantity=dns_quantity,
slave_amount=len(self.getSlaveParameterDictDict())
)
self._test_dns_resolver(zone)
self._test_dns_resolver()
class TestSlaveRequest(PowerDNSSlaveTestCase):
@classmethod
def getSlaveParameterDictDict(cls):
return {
'slave-test1.domain.com': {
'record': 'test1',
'applicable-zone': 'domain.com',
'origin': 'nexedi.com',
'default': 'test1.com.',
'africa': 'test1africa.com.',
'china-telecom': 'test1china-telecom.com.',
'china-unicom': 'test1china-unicom.com.',
'china-mobile': 'test1china-mobile.com.',
'east-asia': 'test1east-asia.com.',
'europe': 'test1europe.com.',
'hong-kong': 'test1hong-kong.com.',
'japan': 'test1japan.com.',
'north-america': 'test1north-america.com.',
'oceania': 'test1oceania.com.',
'south-america': 'test1south-america.com.',
'west-asia': 'test1west-asia.com.',
},
'slave-test2.domain.com': {
'record': 'test2',
'applicable-zone': 'domain.com',
'origin': 'nexedi.com',
'default': 'test2.com.',
'china-telecom': 'test2china-telecom.com.',
'europe': 'test2europe.com.',
'japan': 'test2japan.com.',
},
}
def test(self):
self._test()
self._test_slaves()
class TestSlaveRequestDomain(PowerDNSSlaveTestCase):
class TestSlaveRequestSingleDomain(TestSlaveRequest):
@classmethod
def getSlaveParameterDictDict(cls):
return {
'slave-test1.toto.example.com': {
'record': 'test1',
'applicable-zone': 'toto.example.com',
'origin': 'nexedi.com',
'default': 'test1.com.',
'africa': 'test1africa.com.',
'china-telecom': 'test1china-telecom.com.',
'china-unicom': 'test1china-unicom.com.',
'china-mobile': 'test1china-mobile.com.',
'east-asia': 'test1east-asia.com.',
'europe': 'test1europe.com.',
'hong-kong': 'test1hong-kong.com.',
'japan': 'test1japan.com.',
'north-america': 'test1north-america.com.',
'oceania': 'test1oceania.com.',
'south-america': 'test1south-america.com.',
'west-asia': 'test1west-asia.com.',
},
'slave-test2.toto.example.com': {
'record': 'test2',
'applicable-zone': 'toto.example.com',
'origin': 'nexedi.com',
'default': 'test2.com.',
'china-telecom': 'test2china-telecom.com.',
'europe': 'test2europe.com.',
'japan': 'test2japan.com.',
},
}
@classmethod
def getInstanceParameterDict(cls):
return {
'supported-zone-list': 'toto.example.com',
}
class TestSlaveRequestDomains(TestSlaveRequest):
@classmethod
def getSlaveParameterDictDict(cls):
return {
'slave-test1.toto.example.com': {
'record': 'test1',
'applicable-zone': 'toto.example.com',
'origin': 'nexedi.com',
'default': 'test1.com.',
'africa': 'test1africa.com.',
'china-telecom': 'test1china-telecom.com.',
'china-unicom': 'test1china-unicom.com.',
'china-mobile': 'test1china-mobile.com.',
'east-asia': 'test1east-asia.com.',
'europe': 'test1europe.com.',
'hong-kong': 'test1hong-kong.com.',
'japan': 'test1japan.com.',
'north-america': 'test1north-america.com.',
'oceania': 'test1oceania.com.',
'south-america': 'test1south-america.com.',
'west-asia': 'test1west-asia.com.',
},
'slave-test2.toto.example.com': {
'record': 'test2',
'applicable-zone': 'toto.example.com',
'origin': 'nexedi.com',
'default': 'test2.com.',
'china-telecom': 'test2china-telecom.com.',
'europe': 'test2europe.com.',
'japan': 'test2japan.com.',
},
'slave-test1.tata.example.com': {
'record': 'test1',
'applicable-zone': 'tata.example.com',
'origin': 'nexedi.com',
'default': 'test1.com.',
'china-telecom': 'test1china-telecom.com.',
'europe': 'test1europe.com.',
'japan': 'test1japan.com.',
},
'slave-test4.tata.example.com': {
'record': 'test4',
'applicable-zone': 'tata.example.com',
'origin': 'nexedi.com',
'default': 'test4".com.',
'africa': 'test4africa.com.',
'china-telecom': 'test4china-telecom.com.',
'china-unicom': 'test4china-unicom.com.',
'china-mobile': 'test4china-mobile.com.',
'east-asia': 'test4east-asia.com.',
'europe': 'test4europe.com.',
'hong-kong': 'test4hong-kong.com.',
'japan': 'test4japan.com.',
'north-america': 'test4north-america.com.',
'oceania': 'test4oceania.com.',
'south-america': 'test4south-america.com.',
'west-asia': 'test4west-asia.com.',
},
'slave-test5.tata.example.com': {
'record': 'test5',
'applicable-zone': 'tata.example.com',
'origin': 'nexedi.com',
'default': 'test5.com.',
'china-telecom': 'test5china-telecom.com.',
'europe': 'test5europe.com.',
'japan': 'test5japan.com.',
},
}
@classmethod
def getInstanceParameterDict(cls):
return {
'zone': 'toto.example.com',
'supported-zone-list': 'toto.example.com tata.example.com',
}
# Because all powerdns instances run under the same ip address during tests,
# there is a port conflict between these instances
@skip
class TestMultipleInstances(TestSlaveRequestDomains):
@classmethod
def getInstanceParameterDict(cls):
return {
'-dns-quantity': '2',
'supported-zone-list': 'toto.example.com tata.example.com',
}
def test(self):
self._test(zone=self.getInstanceParameterDict()['zone'])
self._test_slaves(
dns_quantity=int(self.getInstanceParameterDict()['-dns-quantity'])
)
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