def _fetch_multi_host_sections_for_inv(
config_cache: config.ConfigCache,
host_config: config.HostConfig,
ipaddress: Optional[HostAddress],
selected_sections: checkers.SectionNameCollection,
) -> Tuple[MultiHostSections, Sequence[Tuple[Source, result.Result[
HostSections, Exception]]]]:
if host_config.is_cluster:
return MultiHostSections(), []
mode = (checkers.Mode.INVENTORY
if selected_sections is checkers.NO_SELECTION else
checkers.Mode.FORCE_SECTIONS)
sources = checkers.make_sources(
host_config,
ipaddress,
mode=mode,
selected_sections=selected_sections,
)
nodes = checkers.make_nodes(
config_cache,
host_config,
ipaddress,
mode,
sources,
)
multi_host_sections = MultiHostSections()
results = checkers.update_host_sections(
multi_host_sections,
nodes,
max_cachefile_age=host_config.max_cachefile_age,
host_config=host_config,
fetcher_messages=list(
checkers.fetch_all(
nodes,
max_cachefile_age=host_config.max_cachefile_age,
host_config=host_config,
)),
selected_sections=selected_sections,
)
return multi_host_sections, results
def _fetch_multi_host_sections_for_inv(
config_cache: config.ConfigCache,
host_config: config.HostConfig,
ipaddress: Optional[HostAddress],
) -> Tuple[MultiHostSections, Sequence[Tuple[Source, result.Result[
HostSections, Exception]]]]:
if host_config.is_cluster:
return MultiHostSections(), []
sources = checkers.make_sources(
host_config,
ipaddress,
mode=checkers.Mode.INVENTORY,
)
for source in sources:
_configure_source_for_inv(source)
nodes = checkers.make_nodes(
config_cache,
host_config,
ipaddress,
checkers.Mode.INVENTORY,
sources,
)
multi_host_sections = MultiHostSections()
results = checkers.update_host_sections(
multi_host_sections,
nodes,
max_cachefile_age=host_config.max_cachefile_age,
selected_raw_sections=None,
host_config=host_config,
fetcher_messages=list(
checkers.fetch_all(
nodes,
max_cachefile_age=host_config.max_cachefile_age,
host_config=host_config,
selected_raw_sections=None,
)),
)
return multi_host_sections, results
def do_check(
hostname: HostName,
ipaddress: Optional[HostAddress],
*,
# The following arguments *must* remain optional for Nagios and the `DiscoCheckExecutor`.
# See Also: `cmk.base.discovery.check_discovery()`
fetcher_messages: Sequence[FetcherMessage] = (),
run_only_plugin_names: Optional[Set[CheckPluginName]] = None,
selected_sections: checkers.SectionNameCollection = checkers.NO_SELECTION,
submit_to_core: bool = True,
show_perfdata: bool = False,
) -> Tuple[int, List[ServiceDetails], List[ServiceAdditionalDetails],
List[str]]:
console.verbose("Checkmk version %s\n", cmk_version.__version__)
config_cache = config.get_config_cache()
host_config = config_cache.get_host_config(hostname)
exit_spec = host_config.exit_code_spec()
mode = checkers.Mode.CHECKING if selected_sections is checkers.NO_SELECTION else checkers.Mode.FORCE_SECTIONS
status: ServiceState = 0
infotexts: List[ServiceDetails] = []
long_infotexts: List[ServiceAdditionalDetails] = []
perfdata: List[str] = []
try:
license_usage.try_history_update()
# In case of keepalive we always have an ipaddress (can be 0.0.0.0 or :: when
# address is unknown). When called as non keepalive ipaddress may be None or
# is already an address (2nd argument)
if ipaddress is None and not host_config.is_cluster:
ipaddress = ip_lookup.lookup_ip_address(host_config)
# When monitoring Checkmk clusters, the cluster nodes are responsible for fetching all
# information from the monitored host and cache the result for the cluster checks to be
# performed on the cached information.
#
# This means that in case of SNMP nodes, they need to take the clustered services of the
# node into account, fetch the needed sections and cache them for the cluster host.
#
# But later, when checking the node services, the node has to only deal with the unclustered
# services.
#
# TODO: clean this up. The fetched sections are computed in the checkers
# _make_configured_snmp_sections now.
#
belongs_to_cluster = len(config_cache.clusters_of(hostname)) > 0
services_to_fetch = _get_services_to_fetch(
host_name=hostname,
belongs_to_cluster=belongs_to_cluster,
config_cache=config_cache,
)
services_to_check = _filter_clustered_services(
config_cache=config_cache,
host_name=hostname,
belongs_to_cluster=belongs_to_cluster,
services=services_to_fetch,
run_only_plugin_names=run_only_plugin_names,
)
nodes = checkers.make_nodes(
config_cache,
host_config,
ipaddress,
mode,
checkers.make_sources(
host_config,
ipaddress,
mode=mode,
selected_sections=selected_sections,
),
)
if not fetcher_messages:
# Note: `fetch_all(sources)` is almost always called in similar
# code in discovery and inventory. The only other exception
# is `cmk.base.discovery.check_discovery(...)`. This does
# not seem right.
fetcher_messages = list(
checkers.fetch_all(
nodes,
max_cachefile_age=host_config.max_cachefile_age,
host_config=host_config,
))
with CPUTracker() as tracker:
mhs = MultiHostSections()
result = checkers.update_host_sections(
mhs,
nodes,
max_cachefile_age=host_config.max_cachefile_age,
host_config=host_config,
fetcher_messages=fetcher_messages,
selected_sections=selected_sections,
)
num_success, plugins_missing_data = _do_all_checks_on_host(
config_cache,
host_config,
ipaddress,
multi_host_sections=mhs,
services=services_to_check,
submit_to_core=submit_to_core,
show_perfdata=show_perfdata,
)
if run_only_plugin_names is None:
inventory.do_inventory_actions_during_checking_for(
config_cache,
host_config,
ipaddress,
multi_host_sections=mhs,
)
for source, host_sections in result:
source_state, source_output, source_perfdata = source.summarize(
host_sections)
if source_output != "":
status = max(status, source_state)
infotexts.append("[%s] %s" % (source.id, source_output))
perfdata.extend(
[_convert_perf_data(p) for p in source_perfdata])
if plugins_missing_data:
missing_data_status, missing_data_infotext = _check_plugins_missing_data(
plugins_missing_data,
exit_spec,
bool(num_success),
)
status = max(status, missing_data_status)
infotexts.append(missing_data_infotext)
total_times = tracker.duration
for msg in fetcher_messages:
total_times += msg.stats.duration
infotexts.append("execution time %.1f sec" %
total_times.process.elapsed)
if config.check_mk_perfdata_with_times:
perfdata += [
"execution_time=%.3f" % total_times.process.elapsed,
"user_time=%.3f" % total_times.process.user,
"system_time=%.3f" % total_times.process.system,
"children_user_time=%.3f" % total_times.process.children_user,
"children_system_time=%.3f" %
total_times.process.children_system,
]
summary: DefaultDict[str, Snapshot] = defaultdict(Snapshot.null)
for msg in fetcher_messages if fetcher_messages else ():
if msg.fetcher_type in (
FetcherType.PIGGYBACK,
FetcherType.PROGRAM,
FetcherType.SNMP,
FetcherType.TCP,
):
summary[{
FetcherType.PIGGYBACK: "agent",
FetcherType.PROGRAM: "ds",
FetcherType.SNMP: "snmp",
FetcherType.TCP: "agent",
}[msg.fetcher_type]] += msg.stats.duration
for phase, duration in summary.items():
perfdata.append("cmk_time_%s=%.3f" % (phase, duration.idle))
else:
perfdata.append("execution_time=%.3f" %
total_times.process.elapsed)
return status, infotexts, long_infotexts, perfdata
finally:
if _checkresult_file_fd is not None:
_close_checkresult_file()
