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SUSE:SLE-15-SP1:GA
salt.7664
fix-for-errno-0-resolver-error-0-no-error-bsc-1...
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File fix-for-errno-0-resolver-error-0-no-error-bsc-108758.patch of Package salt.7664
From b9cc71639d4e918ef14635124f6991917150de46 Mon Sep 17 00:00:00 2001 From: Bo Maryniuk <bo@suse.de> Date: Wed, 21 Mar 2018 11:10:23 +0100 Subject: [PATCH] Fix for [Errno 0] Resolver Error 0 (no error) (bsc#1087581) * Lintfix: PEP8 ident * Use proper levels of the error handling, use proper log formatting. * Fix unit test for reversed fqdns return data --- salt/grains/core.py | 19 ++++++++++++------- tests/unit/grains/test_core.py | 32 ++++++++++++++++++++++++++++++++ 2 files changed, 44 insertions(+), 7 deletions(-) diff --git a/salt/grains/core.py b/salt/grains/core.py index 17a7d9819a..cd9ba1f29c 100644 --- a/salt/grains/core.py +++ b/salt/grains/core.py @@ -1900,16 +1900,21 @@ def fqdns(): fqdns = set() addresses = salt.utils.network.ip_addrs(include_loopback=False, - interface_data=_INTERFACES) + interface_data=_INTERFACES) addresses.extend(salt.utils.network.ip_addrs6(include_loopback=False, - interface_data=_INTERFACES)) - + interface_data=_INTERFACES)) + err_message = 'Exception during resolving address: %s' for ip in addresses: try: - fqdns.add(socket.gethostbyaddr(ip)[0]) - except (socket.error, socket.herror, - socket.gaierror, socket.timeout) as e: - log.info("Exception during resolving address: " + str(e)) + fqdns.add(socket.getfqdn(socket.gethostbyaddr(ip)[0])) + except socket.herror as err: + if err.errno == 0: + # No FQDN for this IP address, so we don't need to know this all the time. + log.debug("Unable to resolve address %s: %s", ip, err) + else: + log.error(err_message, err) + except (socket.error, socket.gaierror, socket.timeout) as err: + log.error(err_message, err) grains['fqdns'] = list(fqdns) return grains diff --git a/tests/unit/grains/test_core.py b/tests/unit/grains/test_core.py index 47c9cdd35b..c604df6c57 100644 --- a/tests/unit/grains/test_core.py +++ b/tests/unit/grains/test_core.py @@ -784,3 +784,35 @@ SwapTotal: 4789244 kB''' []}} with patch.object(salt.utils.dns, 'parse_resolv', MagicMock(return_value=resolv_mock)): assert core.dns() == ret + + def _run_dns_test(self, resolv_mock, ret): + with patch.object(salt.utils, 'is_windows', + MagicMock(return_value=False)): + with patch.dict(core.__opts__, {'ipv6': False}): + with patch.object(salt.utils.dns, 'parse_resolv', + MagicMock(return_value=resolv_mock)): + get_dns = core.dns() + self.assertEqual(get_dns, ret) + + @skipIf(not salt.utils.platform.is_linux(), 'System is not Linux') + @patch.object(salt.utils, 'is_windows', MagicMock(return_value=False)) + @patch('salt.utils.network.ip_addrs', MagicMock(return_value=['1.2.3.4', '5.6.7.8'])) + @patch('salt.utils.network.ip_addrs6', + MagicMock(return_value=['fe80::a8b2:93ff:fe00:0', 'fe80::a8b2:93ff:dead:beef'])) + @patch('salt.utils.network.socket.getfqdn', MagicMock(side_effect=lambda v: v)) # Just pass-through + def test_fqdns_return(self): + ''' + test the return for a dns grain. test for issue: + https://github.com/saltstack/salt/issues/41230 + ''' + reverse_resolv_mock = [('foo.bar.baz', [], ['1.2.3.4']), + ('rinzler.evil-corp.com', [], ['5.6.7.8']), + ('foo.bar.baz', [], ['fe80::a8b2:93ff:fe00:0']), + ('bluesniff.foo.bar', [], ['fe80::a8b2:93ff:dead:beef'])] + ret = {'fqdns': ['bluesniff.foo.bar', 'foo.bar.baz', 'rinzler.evil-corp.com']} + with patch.object(socket, 'gethostbyaddr', side_effect=reverse_resolv_mock): + fqdns = core.fqdns() + self.assertIn('fqdns', fqdns) + self.assertEqual(len(fqdns['fqdns']), len(ret['fqdns'])) + self.assertEqual(set(fqdns['fqdns']), set(ret['fqdns'])) + -- 2.13.6
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