def discover_marked_hosts(core: MonitoringCore) -> None:
"""Autodiscovery"""
console.verbose("Doing discovery for all marked hosts:\n")
autodiscovery_queue = _AutodiscoveryQueue()
config_cache = config.get_config_cache()
autodiscovery_queue.cleanup(
valid_hosts=config_cache.all_configured_hosts(),
logger=console.verbose,
)
oldest_queued = autodiscovery_queue.oldest()
if oldest_queued is None:
console.verbose(
" Nothing to do. No hosts marked by discovery check.\n")
return
process_hosts = EVERYTHING if (up_hosts :=
_get_up_hosts()) is None else up_hosts
activation_required = False
rediscovery_reference_time = time.time()
with TimeLimitFilter(limit=120, grace=10, label="hosts") as time_limited:
for host_name in time_limited(autodiscovery_queue.queued_hosts()):
if host_name not in process_hosts:
continue
activation_required |= _discover_marked_host(
config_cache=config_cache,
host_config=config_cache.get_host_config(host_name),
autodiscovery_queue=autodiscovery_queue,
reference_time=rediscovery_reference_time,
oldest_queued=oldest_queued,
)
if not activation_required:
return
console.verbose(
"\nRestarting monitoring core with updated configuration...\n")
with config.set_use_core_config(use_core_config=False):
try:
_config_cache.clear_all()
config.get_config_cache().initialize()
# reset these to their original value to create a correct config
cmk.core_helpers.cache.FileCacheFactory.use_outdated = False
cmk.core_helpers.cache.FileCacheFactory.maybe = True
if config.monitoring_core == "cmc":
cmk.base.core.do_reload(core)
else:
cmk.base.core.do_restart(core)
finally:
_config_cache.clear_all()
config.get_config_cache().initialize()
def discover_marked_hosts(core: MonitoringCore) -> None:
console.verbose("Doing discovery for all marked hosts:\n")
autodiscovery_dir = _get_autodiscovery_dir()
if not os.path.exists(autodiscovery_dir):
# there is obviously nothing to do
console.verbose(" Nothing to do. %s is missing.\n" %
autodiscovery_dir)
return
config_cache = config.get_config_cache()
oldest_queued = _queue_age()
hosts = os.listdir(autodiscovery_dir)
if not hosts:
console.verbose(
" Nothing to do. No hosts marked by discovery check.\n")
# Fetch host state information from livestatus
host_states = _fetch_host_states()
activation_required = False
rediscovery_reference_time = time.time()
with TimeLimitFilter(limit=120, grace=10, label="hosts") as time_limited:
for host_name in time_limited(hosts):
host_config = config_cache.get_host_config(host_name)
if not _discover_marked_host_exists(config_cache, host_name):
continue
# Only try to discover hosts with UP state
if host_states and host_states.get(host_name) != 0:
continue
if _discover_marked_host(config_cache, host_config,
rediscovery_reference_time,
oldest_queued):
activation_required = True
if activation_required:
console.verbose(
"\nRestarting monitoring core with updated configuration...\n")
with config.set_use_core_config(use_core_config=False):
try:
_config_cache.clear_all()
config.get_config_cache().initialize()
if config.monitoring_core == "cmc":
cmk.base.core.do_reload(core)
else:
cmk.base.core.do_restart(core)
finally:
_config_cache.clear_all()
config.get_config_cache().initialize()