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authorfvlaicu <19238716+fvlaicu@users.noreply.github.com>2024-01-06 14:02:11 +0200
committerMergify <37929162+mergify[bot]@users.noreply.github.com>2024-01-06 12:02:29 +0000
commit132087a4b266deb197f86de3fc1131be7a07504c (patch)
tree9907c9c71ab63746955a49c3ff1f70e5dedc044d
parent09dea9fc44dc19181ce24cec42b49f19a4605a3e (diff)
downloadvyos-1x-132087a4b266deb197f86de3fc1131be7a07504c.tar.gz
vyos-1x-132087a4b266deb197f86de3fc1131be7a07504c.zip
dns: T5900: add dont-throttle-netmasks and serve-stale-extensions powerdns features
(cherry picked from commit 199ceb1f0a820c838dea6862371a3121b3d9f3a9)
-rw-r--r--data/templates/dns-forwarding/recursor.conf.j210
-rw-r--r--interface-definitions/service_dns_forwarding.xml.in41
-rwxr-xr-xsmoketest/scripts/cli/test_service_dns_forwarding.py38
3 files changed, 89 insertions, 0 deletions
diff --git a/data/templates/dns-forwarding/recursor.conf.j2 b/data/templates/dns-forwarding/recursor.conf.j2
index ea700406c..deeb250f0 100644
--- a/data/templates/dns-forwarding/recursor.conf.j2
+++ b/data/templates/dns-forwarding/recursor.conf.j2
@@ -40,6 +40,16 @@ dnssec={{ dnssec }}
dns64-prefix={{ dns64_prefix }}
{% endif %}
+{% if dont_throttle_netmasks is vyos_defined %}
+# dont-throttle-netmasks
+dont-throttle-netmasks={{ exclude_throttle_address | join(',') }}
+{% endif %}
+
+{% if serve_stale_extensions is vyos_defined %}
+# serve-stale-extensions
+serve-stale-extensions={{ serve_stale_extension }}
+{% endif %}
+
# serve rfc1918 records
serve-rfc1918={{ 'no' if no_serve_rfc1918 is vyos_defined else 'yes' }}
diff --git a/interface-definitions/service_dns_forwarding.xml.in b/interface-definitions/service_dns_forwarding.xml.in
index 7dce9b548..0f8863438 100644
--- a/interface-definitions/service_dns_forwarding.xml.in
+++ b/interface-definitions/service_dns_forwarding.xml.in
@@ -670,6 +670,19 @@
</properties>
<defaultValue>3600</defaultValue>
</leafNode>
+ <leafNode name="serve-stale-extension">
+ <properties>
+ <help>Number of times the expired TTL of a record is extended by 30 seconds when serving stale</help>
+ <valueHelp>
+ <format>u32:0-65535</format>
+ <description>Number of times to extend the TTL</description>
+ </valueHelp>
+ <constraint>
+ <validator name="numeric" argument="--range 0-65535"/>
+ </constraint>
+ </properties>
+ <defaultValue>0</defaultValue>
+ </leafNode>
<leafNode name="timeout">
<properties>
<help>Number of milliseconds to wait for a remote authoritative server to respond</help>
@@ -694,6 +707,34 @@
<valueless/>
</properties>
</leafNode>
+ <leafNode name="exclude-throttle-address">
+ <properties>
+ <help>IP address or subnet</help>
+ <valueHelp>
+ <format>ipv4</format>
+ <description>IPv4 address to match</description>
+ </valueHelp>
+ <valueHelp>
+ <format>ipv4net</format>
+ <description>IPv4 prefix to match</description>
+ </valueHelp>
+ <valueHelp>
+ <format>ipv6</format>
+ <description>IPv6 address</description>
+ </valueHelp>
+ <valueHelp>
+ <format>ipv6net</format>
+ <description>IPv6 address</description>
+ </valueHelp>
+ <multi/>
+ <constraint>
+ <validator name="ipv4-address"/>
+ <validator name="ipv4-prefix"/>
+ <validator name="ipv6-address"/>
+ <validator name="ipv6-prefix"/>
+ </constraint>
+ </properties>
+ </leafNode>
</children>
</node>
</children>
diff --git a/smoketest/scripts/cli/test_service_dns_forwarding.py b/smoketest/scripts/cli/test_service_dns_forwarding.py
index bc50a4ffe..4f2f182e5 100755
--- a/smoketest/scripts/cli/test_service_dns_forwarding.py
+++ b/smoketest/scripts/cli/test_service_dns_forwarding.py
@@ -239,6 +239,44 @@ class TestServicePowerDNS(VyOSUnitTestSHIM.TestCase):
tmp = get_config_value('dns64-prefix')
self.assertEqual(tmp, dns_prefix)
+ def test_exclude_throttle_adress(self):
+ exclude_throttle_adress_examples = [
+ '192.168.128.255',
+ '10.0.0.0/25',
+ '2001:db8:85a3:8d3:1319:8a2e:370:7348',
+ '64:ff9b::/96'
+ ]
+
+ for network in allow_from:
+ self.cli_set(base_path + ['allow-from', network])
+ for address in listen_adress:
+ self.cli_set(base_path + ['listen-address', address])
+
+ for exclude_throttle_adress in exclude_throttle_adress_examples:
+ self.cli_set(base_path + ['exclude-throttle-address', exclude_throttle_adress])
+
+ # commit changes
+ self.cli_commit()
+
+ # verify dont-throttle-netmasks configuration
+ tmp = get_config_value('exclude-throttle-address')
+ self.assertEqual(tmp, ','.join(exclude_throttle_adress_examples))
+
+ def test_serve_stale_extension(self):
+ for network in allow_from:
+ self.cli_set(base_path + ['allow-from', network])
+ for address in listen_adress:
+ self.cli_set(base_path + ['listen-address', address])
+
+ self.cli_set(base_path + ['serve-stale-extension', '20'])
+
+ # commit changes
+ self.cli_commit()
+
+ # verify configuration
+ tmp = get_config_value('serve-stale-extension')
+ self.assertEqual(tmp, '20')
+
def test_listening_port(self):
# We can listen on a different port compared to '53' but only one at a time
for port in ['1053', '5353']: