def _agent_cache_file_age(
hostname: HostName,
check_plugin_name: CheckPluginNameStr) -> Optional[float]:
host_config = _config.get_config_cache().get_host_config(hostname)
if host_config.is_cluster:
raise MKGeneralException("get_agent_data_time() not valid for cluster")
# NOTE: This is a workaround for the 'old' API and will not be correct
# for the new one. This is a check plugin name, and the property of being
# 'TCP' or 'SNMP' is a property of the section.
# This function is deprecated for new plugins.
# For old-style plugins, plugin and section name are same, so check the
# corresponding section:
section_name_str = _cmk_utils.check_utils.section_name_of(
check_plugin_name)
section = _agent_based_register.get_section_plugin(
_SectionName(section_name_str))
if hasattr(section, "trees"):
cachefile = "%s/%s.%s" % (_paths.tcp_cache_dir, hostname,
section_name_str)
else:
cachefile = "%s/%s" % (_paths.tcp_cache_dir, hostname)
if os.path.exists(cachefile):
return _cmk_utils.cachefile_age(cachefile)
return None
def test_inventory_sap_hana_instance_status(info, expected_result):
section_name = SectionName("sap_hana_instance_status")
section = register.get_section_plugin(section_name).parse_function(info)
plugin_name = CheckPluginName("sap_hana_instance_status")
plugin = register.get_check_plugin(plugin_name)
if plugin:
assert list(plugin.discovery_function(section)) == expected_result
def _extract_snmp_sections(
inf_info: Dict[InventoryPluginNameStr, InventoryInfo],
plugin_file_lookup: Dict[str, str],
) -> None:
for plugin_name, plugin_info in sorted(inv_info.items()):
if 'snmp_info' not in plugin_info:
continue
section_name = section_name_of(plugin_name)
if isinstance(agent_based_register.get_section_plugin(SectionName(section_name)),
SNMPSectionPlugin):
continue
fallback_files = ([_include_file_path(i) for i in plugin_info.get('includes', [])] +
[plugin_file_lookup[plugin_name]])
try:
agent_based_register.add_section_plugin(
create_snmp_section_plugin_from_legacy(
section_name,
{},
plugin_info['snmp_scan_function'],
plugin_info['snmp_info'],
scan_function_fallback_files=fallback_files,
))
except (NotImplementedError, KeyError, AssertionError, ValueError):
msg = config.AUTO_MIGRATION_ERR_MSG % ('section', plugin_name)
if cmk.utils.debug.enabled():
raise MKGeneralException(msg)
console.warning(msg)
def make_broker(
*,
fetched: Sequence[Tuple[Source, FetcherMessage]],
selected_sections: SectionNameCollection,
file_cache_max_age: cache.MaxAge,
) -> Tuple[ParsedSectionsBroker, SourceResults]:
collected_host_sections, results = _collect_host_sections(
fetched=fetched,
selected_sections=selected_sections,
file_cache_max_age=file_cache_max_age,
)
return (
ParsedSectionsBroker({
host_key: (
ParsedSectionsResolver(section_plugins=[
agent_based_register.get_section_plugin(section_name)
for section_name in host_sections.sections
], ),
SectionsParser(host_sections=host_sections,
host_name=host_key.hostname),
)
for host_key, host_sections in collected_host_sections.items()
}),
results,
)
def _extract_snmp_sections(
inf_info: Dict[InventoryPluginNameStr, InventoryInfo],
plugin_file_lookup: Dict[str, str],
) -> List[str]:
errors = []
for plugin_name, plugin_info in sorted(inv_info.items()):
if 'snmp_info' not in plugin_info:
continue
section_name = section_name_of(plugin_name)
if isinstance(agent_based_register.get_section_plugin(SectionName(section_name)),
SNMPSectionPlugin):
continue
fallback_files = ([_include_file_path(i) for i in plugin_info.get('includes', [])] +
[plugin_file_lookup[plugin_name]])
try:
agent_based_register.add_section_plugin(
create_snmp_section_plugin_from_legacy(
section_name,
{},
plugin_info['snmp_scan_function'],
plugin_info['snmp_info'],
scan_function_fallback_files=fallback_files,
# We have to validate, because we read inventory plugin files
# directly, and do not know whether they changed.
validate_creation_kwargs=True,
))
except (NotImplementedError, KeyError, AssertionError, ValueError):
msg = config.AUTO_MIGRATION_ERR_MSG % ('section', plugin_name)
if cmk.utils.debug.enabled():
raise MKGeneralException(msg)
errors.append(msg)
return errors
def test_check_sap_hana_db_status(item, info, expected_result):
section_name = SectionName("sap_hana_db_status")
section = register.get_section_plugin(section_name).parse_function(info)
plugin_name = CheckPluginName("sap_hana_db_status")
plugin = register.get_check_plugin(plugin_name)
if plugin:
assert list(plugin.check_function(item, section)) == expected_result
def test_check_sap_hana_diskusage(value_store_patch, item, info, expected_result):
section_name = SectionName("sap_hana_diskusage")
section = register.get_section_plugin(section_name).parse_function(info)
plugin_name = CheckPluginName("sap_hana_diskusage")
plugin = register.get_check_plugin(plugin_name)
if plugin:
assert list(plugin.check_function(item, {}, section)) == expected_result
def test_cmciii_leakage_sensors(status, position, expected):
section_plugin = agent_based_register.get_section_plugin(SectionName('cmciii'))
assert section_plugin
plugin = agent_based_register.get_check_plugin(CheckPluginName('cmciii_leakage'))
assert plugin
item, info = _leakage_info(status, position)
section = section_plugin.parse_function(info)
assert list(plugin.check_function(item=item, params={}, section=section)) == expected
def make_broker(
*,
config_cache: ConfigCache,
host_config: HostConfig,
ip_address: Optional[HostAddress],
mode: Mode,
selected_sections: SectionNameCollection,
file_cache_max_age: cache.MaxAge,
fetcher_messages: Sequence[FetcherMessage],
force_snmp_cache_refresh: bool,
on_scan_error: OnError,
) -> Tuple[ParsedSectionsBroker, SourceResults]:
sources = (make_sources(
host_config,
ip_address,
selected_sections=selected_sections,
force_snmp_cache_refresh=force_snmp_cache_refresh,
on_scan_error=on_scan_error,
) if host_config.nodes is None else make_cluster_sources(
config_cache,
host_config,
))
if not fetcher_messages:
# Note: *Not* calling `fetch_all(sources)` here is probably buggy.
# Note: `fetch_all(sources)` is almost always called in similar
# code in discovery and inventory. The only two exceptions
# are `cmk.base.agent_based.checking.active_check_checking(...)` and
# `cmk.base.agent_based.discovery.active_check_discovery(...)`.
# This does not seem right.
fetcher_messages = list(
fetch_all(
sources=sources,
file_cache_max_age=file_cache_max_age,
mode=mode,
))
collected_host_sections, results = _collect_host_sections(
sources=sources,
file_cache_max_age=file_cache_max_age,
fetcher_messages=fetcher_messages,
selected_sections=selected_sections,
)
return (
ParsedSectionsBroker({
host_key: (
ParsedSectionsResolver(section_plugins=[
agent_based_register.get_section_plugin(section_name)
for section_name in host_sections.sections
], ),
SectionsParser(host_sections=host_sections),
)
for host_key, host_sections in collected_host_sections.items()
}),
results,
)
def test_cisco_related_snmp_detection(oid_data, detected, not_detected):
for name in detected | not_detected:
section = agent_based_register.get_section_plugin(SectionName(name))
assert isinstance(section, SNMPSectionPlugin)
assert evaluate_snmp_detection(
detect_spec=section.detect_spec,
oid_value_getter=oid_data.get,
) == (name in detected)
def test_inv_oracle_instance(line, expected_data):
section = agent_based_register.get_section_plugin(
SectionName('oracle_instance'))
assert section
parsed = section.parse_function([line])
inv_plugin = agent_based_register.get_inventory_plugin(
InventoryPluginName('oracle_instance'))
assert inv_plugin
assert list(inv_plugin.inventory_function(parsed)) == expected_data
def _update_with_parse_function(
section_content: ABCRawDataSection,
section_name: SectionName,
check_legacy_info: Dict[str, Dict[str, Any]],
) -> ParsedSectionContent:
"""Transform the section_content using the defined parse functions.
Some checks define a parse function that is used to transform the section_content
somehow. It is applied by this function.
Please note that this is not a check/subcheck individual setting. This option is related
to the agent section.
All exceptions raised by the parse function will be catched and re-raised as
MKParseFunctionError() exceptions."""
# We can use the migrated section: we refuse to migrate sections with
# "'node_info'=True", so the auto-migrated ones will keep working.
# This function will never be called on checks programmed against the new
# API (or migrated manually)
if not agent_based_register.is_registered_section_plugin(section_name):
# use legacy parse function for unmigrated sections
parse_function = check_legacy_info.get(str(section_name),
{}).get("parse_function")
else:
section_plugin = agent_based_register.get_section_plugin(
section_name)
parse_function = cast(
Callable[[ABCRawDataSection], ParsedSectionContent],
section_plugin.parse_function)
if parse_function is None:
return section_content
# (mo): ValueStores (formally Item state) need to be *only* available
# from within the check function, nowhere else.
orig_item_state_prefix = item_state.get_item_state_prefix()
try:
item_state.set_item_state_prefix(section_name, None)
return parse_function(section_content)
except item_state.MKCounterWrapped:
raise
except Exception:
if cmk.utils.debug.enabled():
raise
raise MKParseFunctionError(*sys.exc_info())
finally:
item_state.set_item_state_prefix(*orig_item_state_prefix)
def _section_permutations(
parsed_section_names: Sequence[ParsedSectionName],
) -> Generator[Tuple[SectionPlugin, ...], None, None]:
if not parsed_section_names:
yield ()
return
if len(parsed_section_names) >= 1:
for section_name in agent_based_register.get_section_producers(
parsed_section_names[0]):
for perm in _section_permutations(parsed_section_names[1:]):
yield (agent_based_register.get_section_plugin(section_name),
) + perm
def _make_oid_infos(
self,
*,
persisted_sections: SNMPPersistedSections,
selected_raw_sections: Optional[SelectedRawSections],
prefetched_sections: Sequence[SectionName],
) -> Dict[SectionName, List[SNMPTree]]:
oid_infos = {} # Dict[SectionName, List[SNMPTree]]
if selected_raw_sections is None:
section_names = self.detector(
self.snmp_config,
self._make_snmp_scan_sections(),
on_error=self.on_snmp_scan_error,
)
else:
section_names = {s.name for s in selected_raw_sections.values()}
section_names -= self.host_config.disabled_snmp_sections()
for section_name in SNMPConfigurator._sort_section_names(
section_names):
plugin = agent_based_register.get_section_plugin(section_name)
if not isinstance(plugin, SNMPSectionPlugin):
self._logger.debug("%s: No such section definition",
section_name)
continue
if section_name in prefetched_sections:
continue
# This checks data is configured to be persisted (snmp_fetch_interval) and recent enough.
# Skip gathering new data here. The persisted data will be added later
if section_name in persisted_sections:
self._logger.debug(
"%s: Skip fetching data (persisted info exists)",
section_name)
continue
oid_infos[section_name] = plugin.trees
return oid_infos
def _needs_redetection(section_name: SectionName) -> bool:
section = agent_based_register.get_section_plugin(section_name)
return len(
agent_based_register.get_section_producers(
section.parsed_section_name)) > 1
def test_inv_oracle_instance_multiline():
lines = [
[
'SID',
'VERSION',
'OPENMODE',
'LOGINS',
'_ARCHIVER',
'123',
'_DBID',
'LOGMODE',
'_DATABASE_ROLE',
'_FORCE_LOGGING',
'_NAME',
'080220151025',
'_PLUGGABLE',
'_CON_ID',
'',
'_PDBID',
'_POPENMODE',
'_PRESTRICTED',
'_PTOTAL_SIZE',
'_PRECOVERY_STATUS',
'_PUP_SECONDS',
'_PBLOCK_SIZE',
],
[
'SID',
'VERSION',
'_OPENMODE',
'LOGINS',
'_ARCHIVER',
'_RAW_UP_SECONDS',
'_DBID',
'LOGMODE',
'_DATABASE_ROLE',
'_FORCE_LOGGING',
'_NAME',
'080220151026',
'TRUE',
'_CON_ID',
'PNAME',
'_PDBID',
'POPENMODE',
'_PRESTRICTED',
'_PTOTAL_SIZE',
'_PRECOVERY_STATUS',
'456',
'_PBLOCK_SIZE',
],
]
section = agent_based_register.get_section_plugin(
SectionName('oracle_instance'))
parsed = section.parse_function(lines) # type: ignore[arg-type]
inv_plugin = agent_based_register.get_inventory_plugin(
InventoryPluginName('oracle_instance'))
expected_data = [
TableRow(
path=['software', 'applications', 'oracle', 'instance'],
key_columns={
"sid": "SID",
"pname": "",
},
inventory_columns={
"version": "VERSION",
"openmode": "OPENMODE",
"logmode": 'LOGMODE',
"logins": "LOGINS",
"db_creation_time": "2015-02-08 10:25",
},
),
TableRow(
path=['software', 'applications', 'oracle', 'instance'],
key_columns={
"sid": "SID",
"pname": "PNAME",
},
inventory_columns={
"version": "VERSION",
"openmode": "POPENMODE",
"logmode": 'LOGMODE',
"logins": "ALLOWED",
"db_creation_time": "2015-02-08 10:26",
},
),
TableRow(
path=['software', 'applications', 'oracle', 'instance'],
key_columns={
"sid": "SID",
"pname": "",
},
status_columns={
"db_uptime": 123,
},
),
TableRow(
path=['software', 'applications', 'oracle', 'instance'],
key_columns={
"sid": "SID",
"pname": "PNAME",
},
status_columns={
"db_uptime": 456,
},
),
]
assert list(inv_plugin.inventory_function(
parsed)) == expected_data # type: ignore[union-attr]
def test_parse_sap_hana_instance_status(info, expected_result):
section_name = SectionName("sap_hana_instance_status")
section_plugin = register.get_section_plugin(section_name)
result = section_plugin.parse_function(info)
assert result == expected_result
def test_parse_sap_hana_diskusage(info, expected_result):
section_name = SectionName("sap_hana_diskusage")
section_plugin = register.get_section_plugin(section_name)
result = section_plugin.parse_function(info)
assert result == expected_result
def _discover_host_labels_for_source_type(
*,
host_key: HostKey,
parsed_sections_broker: ParsedSectionsBroker,
discovery_parameters: DiscoveryParameters,
) -> Mapping[str, HostLabel]:
try:
host_data = parsed_sections_broker[host_key]
except KeyError:
return {}
host_labels = {}
try:
# We do *not* process all available raw sections. Instead we see which *parsed*
# sections would result from them, and then process those.
parse_sections = {
agent_based_register.get_section_plugin(rs).parsed_section_name
for rs in host_data.sections
}
applicable_sections = parsed_sections_broker.determine_applicable_sections(
parse_sections,
host_key.source_type,
)
console.vverbose("Trying host label discovery with: %s\n" %
", ".join(str(s.name) for s in applicable_sections))
for section_plugin in _sort_sections_by_label_priority(
applicable_sections):
kwargs = {
'section':
parsed_sections_broker.get_parsed_section(
host_key, section_plugin.parsed_section_name),
}
host_label_params = config.get_host_label_parameters(
host_key.hostname, section_plugin)
if host_label_params is not None:
kwargs["params"] = host_label_params
try:
for label in section_plugin.host_label_function(**kwargs):
console.vverbose(
f" {label.name}: {label.value} ({section_plugin.name})\n"
)
host_labels[label.name] = HostLabel(
label.name,
label.value,
section_plugin.name,
)
except (KeyboardInterrupt, MKTimeout):
raise
except Exception as exc:
if cmk.utils.debug.enabled(
) or discovery_parameters.on_error == "raise":
raise
if discovery_parameters.on_error == "warn":
console.error("Host label discovery of '%s' failed: %s\n" %
(section_plugin.name, exc))
except KeyboardInterrupt:
raise MKGeneralException("Interrupted by Ctrl-C.")
return host_labels
