def test_executes_rndc_command(self): self.patch_autospec(actions, "execute_rndc_command") actions.bind_reload() self.assertThat( actions.execute_rndc_command, MockCalledOnceWith(("reload",), timeout=2), )
def dns_update_all_zones(reload_retry=False): """Update all zone files for all domains. Serving these zone files means updating BIND's configuration to include them, then asking it to load the new configuration. :param reload_retry: Should the DNS server reload be retried in case of failure? Defaults to `False`. :type reload_retry: bool """ if not is_dns_enabled(): return domains = Domain.objects.filter(authoritative=True) subnets = Subnet.objects.exclude(rdns_mode=RDNS_MODE.DISABLED) default_ttl = Config.objects.get_config('default_dns_ttl') serial = current_zone_serial() zones = ZoneGenerator(domains, subnets, default_ttl, serial, internal_domains=[get_internal_domain()]).as_list() bind_write_zones(zones) # We should not be calling bind_write_options() here; call-sites should be # making a separate call. It's a historical legacy, where many sites now # expect this side-effect from calling dns_update_all_zones_now(), and # some that call it for this side-effect alone. At present all it does is # set the upstream DNS servers, nothing to do with serving zones at all! bind_write_options(upstream_dns=get_upstream_dns(), dnssec_validation=get_dnssec_validation()) # Nor should we be rewriting ACLs that are related only to allowing # recursive queries to the upstream DNS servers. Again, this is legacy, # where the "trusted" ACL ended up in the same configuration file as the # zone stanzas, and so both need to be rewritten at the same time. bind_write_configuration(zones, trusted_networks=get_trusted_networks()) # Reloading with retries may be a legacy from Celery days, or it may be # necessary to recover from races during start-up. We're not sure if it is # actually needed but it seems safer to maintain this behaviour until we # have a better understanding. if reload_retry: bind_reload_with_retries() else: bind_reload() # Return the current serial and list of domain names. return serial, [domain.name for domain in domains]
def test__logs_subprocess_error(self): erc = self.patch_autospec(actions, "execute_rndc_command") erc.side_effect = factory.make_CalledProcessError() with FakeLogger("maas") as logger: self.assertFalse(actions.bind_reload()) self.assertDocTestMatches( "Reloading BIND failed (is it running?): " "Command ... returned non-zero exit status ...", logger.output)
def test_false_on_subprocess_error(self): erc = self.patch_autospec(actions, "execute_rndc_command") erc.side_effect = factory.make_CalledProcessError() self.assertFalse(actions.bind_reload())