def get_parsed_section(
self,
host_name, # type: HostName
ip_address, # type: Optional[HostAddress]
section_name, # type: PluginName
):
# type: (...) -> Optional[ParsedSectionContent]
cache_key = (host_name, ip_address, section_name)
if cache_key in self._parsed_renamed_sections:
return self._parsed_renamed_sections[cache_key]
try:
hosts_raw_sections = self._multi_host_sections[(
host_name, ip_address)].sections
except KeyError:
return self._parsed_renamed_sections.setdefault(cache_key, None)
available_raw_sections = [PluginName(n) for n in hosts_raw_sections]
section_def = config.get_parsed_section_creator(
section_name, available_raw_sections)
if section_def is None:
# no section creating the desired one was found, assume a 'default' section:
raw_section_name = section_name
parse_function = parse_string_table # type: Union[SNMPParseFunction, AgentParseFunction]
else:
raw_section_name = section_def.name
parse_function = section_def.parse_function
try:
string_table = hosts_raw_sections[str(raw_section_name)]
except KeyError:
return self._parsed_renamed_sections.setdefault(cache_key, None)
try:
parsed = parse_function(string_table)
except Exception:
if cmk.utils.debug.enabled():
raise
raise MKParseFunctionError(*sys.exc_info())
return self._parsed_renamed_sections.setdefault(cache_key, parsed)
def _get_raw_section(self, host_key, section_name):
# type: (HostKey, PluginName) -> Union[AgentSectionPlugin, SNMPSectionPlugin]
"""Get the raw sections name that will be parsed into the required section
Raw sections may get renamed once they are parsed, if they declare it. This function
deals with the task of determining which section we need to parse, in order to end
up with the desired parsed section.
This depends on the available raw sections, and thus on the host.
"""
cache_key = host_key + (section_name,)
if cache_key in self._parsed_to_raw_map:
return self._parsed_to_raw_map[cache_key]
try:
hosts_raw_sections = self._multi_host_sections[host_key].sections
except KeyError:
return self._parsed_to_raw_map.setdefault(cache_key, None)
available_raw_sections = [PluginName(n) for n in hosts_raw_sections]
section_def = config.get_parsed_section_creator(section_name, available_raw_sections)
return self._parsed_to_raw_map.setdefault(cache_key, section_def)