def cache_oids(backend):
# Cache OIDs to avoid actual SNMP I/O.
snmp_cache.initialize_single_oid_cache(backend.config)
snmp_cache.set_single_oid_cache(snmp_scan.OID_SYS_DESCR, "sys description")
snmp_cache.set_single_oid_cache(snmp_scan.OID_SYS_OBJ, "sys object")
yield
snmp_cache._clear_other_hosts_oid_cache(backend.hostname)
def _snmp_scan(
sections: Iterable[SNMPScanSection],
on_error: str = "ignore",
do_snmp_scan: bool = True,
*,
binary_host: bool,
backend: ABCSNMPBackend,
) -> Set[SectionName]:
snmp_cache.initialize_single_oid_cache(backend.config)
console.vverbose(" SNMP scan:\n")
_snmp_scan_cache_description(
binary_host=binary_host,
do_snmp_scan=do_snmp_scan,
backend=backend,
)
found_sections = _snmp_scan_find_sections(
sections,
do_snmp_scan=do_snmp_scan,
on_error=on_error,
backend=backend,
)
_output_snmp_check_plugins("SNMP scan found", found_sections)
snmp_cache.write_single_oid_cache(backend.config)
return found_sections
def _snmp_scan(
sections: Iterable[SNMPScanSection],
on_error: str = "ignore",
*,
missing_sys_description: bool,
backend: ABCSNMPBackend,
) -> Set[SectionName]:
snmp_cache.initialize_single_oid_cache(backend.config)
console.vverbose(" SNMP scan:\n")
if missing_sys_description:
_fake_description_object()
else:
_prefetch_description_object(backend=backend)
found_sections = _find_sections(
sections,
on_error=on_error,
backend=backend,
)
_output_snmp_check_plugins("SNMP scan found", found_sections)
snmp_cache.write_single_oid_cache(backend.config)
return found_sections