def test_get_simple_snmp_table_wrong_credentials(snmp_config):
if snmp_config.is_usewalk_host:
pytest.skip("Not relevant")
cfg_dict = snmp_config._asdict()
cfg_dict["credentials"] = "dingdong"
snmp_config = snmp_utils.SNMPHostConfig(**cfg_dict)
# TODO: Unify different error messages
if snmp_config.is_inline_snmp_host:
exc_match = "SNMP query timed out"
elif not snmp_config.is_inline_snmp_host:
exc_match = "Timeout: No Response from"
else:
raise NotImplementedError()
with pytest.raises(MKSNMPError, match=exc_match):
snmp.get_snmp_table(snmp_config,
check_plugin_name=None,
oid_info=(".1.3.6.1.2.1.1", [
"1.0",
"2.0",
"5.0",
]),
use_snmpwalk_cache=False)
def test_get_simple_snmp_table_not_resolvable(snmp_config):
if snmp_config.is_usewalk_host:
pytest.skip("Not relevant")
cfg_dict = snmp_config._asdict()
cfg_dict["ipaddress"] = "bla.local"
snmp_config = snmp_utils.SNMPHostConfig(**cfg_dict)
# TODO: Unify different error messages
if snmp_config.is_inline_snmp_host:
exc_match = "Failed to initiate SNMP"
elif not snmp_config.is_inline_snmp_host:
exc_match = "Unknown host"
else:
raise NotImplementedError()
with pytest.raises(MKSNMPError, match=exc_match):
snmp.get_snmp_table(snmp_config,
check_plugin_name=None,
oid_info=(".1.3.6.1.2.1.1", [
"1.0",
"2.0",
"5.0",
]),
use_snmpwalk_cache=False)
def test_get_simple_snmp_table_with_hex_str(snmp_config):
table = snmp.get_snmp_table(snmp_config,
check_plugin_name=None,
oid_info=(".1.3.6.1.2.1.2.2.1", [
"6",
]),
use_snmpwalk_cache=False)
assert table == [
[u''],
[
u'\x00\x12yb\xf9@',
],
]
def test_get_data_types(snmp_config, type_name, oid, expected_response):
response = snmp.get_single_oid(snmp_config, oid)
assert response == expected_response
# TODO: Encoding is incosistent between single oids and walks
assert isinstance(response, str)
oid_start, oid_end = oid.rsplit(".", 1)
table = snmp.get_snmp_table(snmp_config,
check_plugin_name=None,
oid_info=(oid_start, [oid_end]),
use_snmpwalk_cache=False)
assert table[0][0] == expected_response
assert isinstance(table[0][0], six.text_type)
def test_get_simple_snmp_table_oid_end_bin(snmp_config):
table = snmp.get_snmp_table(snmp_config,
check_plugin_name=None,
oid_info=(".1.3.6.1.2.1.2.2.1", [
"1",
"2",
"3",
snmp_utils.OID_END_BIN,
]),
use_snmpwalk_cache=False)
assert table == [
[u'1', u'lo', u'24', u'\x01'],
[u'2', u'eth0', u'6', u'\x02'],
]
def test_get_simple_snmp_table(snmp_config):
table = snmp.get_snmp_table(snmp_config,
check_plugin_name=None,
oid_info=(".1.3.6.1.2.1.1", [
"1.0",
"2.0",
"5.0",
]),
use_snmpwalk_cache=False)
assert table == [
[
u'Linux zeus 4.8.6.5-smp #2 SMP Sun Nov 13 14:58:11 CDT 2016 i686',
u'.1.3.6.1.4.1.8072.3.2.10',
u'new system name',
],
]
assert isinstance(table[0][0], six.text_type)
def test_get_simple_snmp_table_bulkwalk(snmp_config, bulk):
cfg_dict = snmp_config._asdict()
cfg_dict["is_bulkwalk_host"] = bulk
snmp_config = snmp_utils.SNMPHostConfig(**cfg_dict)
table = snmp.get_snmp_table(snmp_config,
check_plugin_name=None,
oid_info=(".1.3.6.1.2.1.1", [
"1.0",
"2.0",
"5.0",
]),
use_snmpwalk_cache=False)
assert table == [
[
u'Linux zeus 4.8.6.5-smp #2 SMP Sun Nov 13 14:58:11 CDT 2016 i686',
u'.1.3.6.1.4.1.8072.3.2.10',
u'new system name',
],
]
assert isinstance(table[0][0], six.text_type)
def _execute(self):
import cmk_base.inventory_plugins
self._verify_ipaddress()
check_plugin_names = self.get_check_plugin_names()
snmp_config = self._host_config.snmp_config(self._ipaddress)
info = {}
for check_plugin_name in self._sort_check_plugin_names(
check_plugin_names):
# Is this an SNMP table check? Then snmp_info specifies the OID to fetch
# Please note, that if the check_plugin_name is foo.bar then we lookup the
# snmp info for "foo", not for "foo.bar".
has_snmp_info = False
section_name = cmk_base.check_utils.section_name_of(
check_plugin_name)
if section_name in config.snmp_info:
oid_info = config.snmp_info[section_name]
elif section_name in cmk_base.inventory_plugins.inv_info:
oid_info = cmk_base.inventory_plugins.inv_info[
section_name].get("snmp_info")
if oid_info:
has_snmp_info = True
else:
oid_info = None
if not has_snmp_info and check_plugin_name in self._fetched_check_plugin_names:
continue
if oid_info is None:
continue
# This checks data is configured to be persisted (snmp_check_interval) and recent enough.
# Skip gathering new data here. The persisted data will be added latera
if self._persisted_sections and section_name in self._persisted_sections:
self._logger.debug(
"%s: Skip fetching data (persisted info exists)" %
(check_plugin_name))
continue
# Prevent duplicate data fetching of identical section in case of SNMP sub checks
if section_name in info:
self._logger.debug(
"%s: Skip fetching data (section already fetched)" %
(check_plugin_name))
continue
self._logger.debug("%s: Fetching data" % (check_plugin_name))
# oid_info can now be a list: Each element of that list is interpreted as one real oid_info
# and fetches a separate snmp table.
if isinstance(oid_info, list):
check_info = []
for entry in oid_info:
check_info_part = snmp.get_snmp_table(
snmp_config, check_plugin_name, entry,
self._use_snmpwalk_cache)
# If at least one query fails, we discard the whole info table
if check_info_part is None:
check_info = None
break
else:
check_info.append(check_info_part)
else:
check_info = snmp.get_snmp_table(snmp_config,
check_plugin_name, oid_info,
self._use_snmpwalk_cache)
info[section_name] = check_info
return info
