def inspect():
"""Optionally run inspection on the current node.
If ``inspection_callback_url`` is set in the configuration, get
the hardware inventory from the node and post it back to the inspector.
:return: node UUID if inspection was successful, None if associated node
was not found in inspector cache. None is also returned if
inspector support is not enabled.
"""
if not CONF.inspection_callback_url:
LOG.info('Inspection is disabled, skipping')
return
if CONF.inspection_callback_url == 'mdns':
LOG.debug('Fetching the inspection URL from mDNS')
url, params = mdns.get_endpoint('baremetal-introspection')
# We expect a proper catalog URL, which doesn't include any path.
CONF.set_override('inspection_callback_url',
url.rstrip('/') + '/v1/continue')
config.override(params)
collector_names = [
x.strip() for x in CONF.inspection_collectors.split(',') if x.strip()
]
LOG.info('inspection is enabled with collectors %s', collector_names)
# NOTE(dtantsur): inspection process tries to delay raising any exceptions
# until after we posted some data back to inspector. This is because
# inspection is run automatically on (mostly) unknown nodes, so if it
# fails, we don't have much information for debugging.
failures = utils.AccumulatedFailures(exc_class=errors.InspectionError)
data = {}
try:
ext_mgr = extension_manager(collector_names)
collectors = [(ext.name, ext.plugin) for ext in ext_mgr]
except Exception as exc:
with excutils.save_and_reraise_exception():
failures.add(exc)
call_inspector(data, failures)
for name, collector in collectors:
try:
collector(data, failures)
except Exception as exc:
# No reraise here, try to keep going
failures.add('collector %s failed: %s', name, exc)
resp = call_inspector(data, failures)
# Now raise everything we were delaying
failures.raise_if_needed()
if resp is None:
raise errors.InspectionError('stopping inspection, as inspector '
'returned an error')
LOG.info('inspection finished successfully')
return resp.get('uuid')
def __init__(self,
api_url,
advertise_address,
listen_address,
ip_lookup_attempts,
ip_lookup_sleep,
network_interface,
lookup_timeout,
lookup_interval,
standalone,
hardware_initialization_delay=0):
super(IronicPythonAgent, self).__init__()
if bool(cfg.CONF.keyfile) != bool(cfg.CONF.certfile):
LOG.warning("Only one of 'keyfile' and 'certfile' options is "
"defined in config file. Its value will be ignored.")
self.ext_mgr = extension.ExtensionManager(
namespace='ironic_python_agent.extensions',
invoke_on_load=True,
propagate_map_exceptions=True,
invoke_kwds={'agent': self},
)
self.api_url = api_url
if not self.api_url or self.api_url == 'mdns':
try:
self.api_url, params = mdns.get_endpoint('baremetal')
except lib_exc.ServiceLookupFailure:
if self.api_url:
# mDNS explicitly requested, report failure.
raise
else:
# implicit fallback to mDNS, do not fail (maybe we're only
# running inspection).
LOG.warning('Could not get baremetal endpoint from mDNS, '
'will not heartbeat')
else:
config.override(params)
if self.api_url:
self.api_client = ironic_api_client.APIClient(self.api_url)
self.heartbeater = IronicPythonAgentHeartbeater(self)
self.listen_address = listen_address
self.advertise_address = advertise_address
self.version = pkg_resources.get_distribution('ironic-python-agent')\
.version
self.api = app.VersionSelectorApplication(self)
self.heartbeat_timeout = None
self.started_at = None
self.node = None
# lookup timeout in seconds
self.lookup_timeout = lookup_timeout
self.lookup_interval = lookup_interval
self.ip_lookup_attempts = ip_lookup_attempts
self.ip_lookup_sleep = ip_lookup_sleep
self.network_interface = network_interface
self.standalone = standalone
self.hardware_initialization_delay = hardware_initialization_delay
# IPA will stop serving requests and exit after this is set to False
self.serve_api = True
self.iscsi_started = False
def inspect():
"""Optionally run inspection on the current node.
If ``inspection_callback_url`` is set in the configuration, get
the hardware inventory from the node and post it back to the inspector.
:return: node UUID if inspection was successful, None if associated node
was not found in inspector cache. None is also returned if
inspector support is not enabled.
"""
if not CONF.inspection_callback_url:
LOG.info('Inspection is disabled, skipping')
return
if CONF.inspection_callback_url == 'mdns':
LOG.debug('Fetching the inspection URL from mDNS')
url, params = mdns.get_endpoint('baremetal-introspection')
# We expect a proper catalog URL, which doesn't include any path.
CONF.set_override('inspection_callback_url',
url.rstrip('/') + '/v1/continue')
config.override(params)
collector_names = [x.strip() for x in CONF.inspection_collectors.split(',')
if x.strip()]
LOG.info('inspection is enabled with collectors %s', collector_names)
# NOTE(dtantsur): inspection process tries to delay raising any exceptions
# until after we posted some data back to inspector. This is because
# inspection is run automatically on (mostly) unknown nodes, so if it
# fails, we don't have much information for debugging.
failures = utils.AccumulatedFailures(exc_class=errors.InspectionError)
data = {}
try:
ext_mgr = extension_manager(collector_names)
collectors = [(ext.name, ext.plugin) for ext in ext_mgr]
except Exception as exc:
with excutils.save_and_reraise_exception():
failures.add(exc)
call_inspector(data, failures)
for name, collector in collectors:
try:
collector(data, failures)
except Exception as exc:
# No reraise here, try to keep going
failures.add('collector %s failed: %s', name, exc)
resp = call_inspector(data, failures)
# Now raise everything we were delaying
failures.raise_if_needed()
if resp is None:
LOG.info('stopping inspection, as inspector returned an error')
return
LOG.info('inspection finished successfully')
return resp.get('uuid')
def __init__(self, api_url, advertise_address, listen_address,
ip_lookup_attempts, ip_lookup_sleep, network_interface,
lookup_timeout, lookup_interval, standalone,
hardware_initialization_delay=0):
super(IronicPythonAgent, self).__init__()
if bool(cfg.CONF.keyfile) != bool(cfg.CONF.certfile):
LOG.warning("Only one of 'keyfile' and 'certfile' options is "
"defined in config file. Its value will be ignored.")
self.ext_mgr = extension.ExtensionManager(
namespace='ironic_python_agent.extensions',
invoke_on_load=True,
propagate_map_exceptions=True,
invoke_kwds={'agent': self},
)
self.api_url = api_url
if not self.api_url or self.api_url == 'mdns':
try:
self.api_url, params = mdns.get_endpoint('baremetal')
except lib_exc.ServiceLookupFailure:
if self.api_url:
# mDNS explicitly requested, report failure.
raise
else:
# implicit fallback to mDNS, do not fail (maybe we're only
# running inspection).
LOG.warning('Could not get baremetal endpoint from mDNS, '
'will not heartbeat')
else:
config.override(params)
if self.api_url:
self.api_client = ironic_api_client.APIClient(self.api_url)
self.heartbeater = IronicPythonAgentHeartbeater(self)
self.listen_address = listen_address
self.advertise_address = advertise_address
self.version = pkg_resources.get_distribution('ironic-python-agent')\
.version
self.api = app.VersionSelectorApplication(self)
self.heartbeat_timeout = None
self.started_at = None
self.node = None
# lookup timeout in seconds
self.lookup_timeout = lookup_timeout
self.lookup_interval = lookup_interval
self.ip_lookup_attempts = ip_lookup_attempts
self.ip_lookup_sleep = ip_lookup_sleep
self.network_interface = network_interface
self.standalone = standalone
self.hardware_initialization_delay = hardware_initialization_delay
# IPA will stop serving requests and exit after this is set to False
self.serve_api = True
def __init__(self,
api_url,
advertise_address,
listen_address,
ip_lookup_attempts,
ip_lookup_sleep,
network_interface,
lookup_timeout,
lookup_interval,
standalone,
agent_token,
hardware_initialization_delay=0,
advertise_protocol='http'):
super(IronicPythonAgent, self).__init__()
if bool(cfg.CONF.keyfile) != bool(cfg.CONF.certfile):
LOG.warning("Only one of 'keyfile' and 'certfile' options is "
"defined in config file. Its value will be ignored.")
self.ext_mgr = base.init_ext_manager(self)
self.api_url = api_url
if (not self.api_url or self.api_url == 'mdns') and not standalone:
try:
self.api_url, params = mdns.get_endpoint('baremetal')
except lib_exc.ServiceLookupFailure:
if self.api_url:
# mDNS explicitly requested, report failure.
raise
else:
# implicit fallback to mDNS, do not fail (maybe we're only
# running inspection).
LOG.warning('Could not get baremetal endpoint from mDNS, '
'will not heartbeat')
else:
config.override(params)
if self.api_url:
self.api_client = ironic_api_client.APIClient(self.api_url)
self.heartbeater = IronicPythonAgentHeartbeater(self)
self.listen_address = listen_address
self.advertise_address = advertise_address
self.advertise_protocol = advertise_protocol
self.version = pkg_resources.get_distribution('ironic-python-agent')\
.version
self.api = app.Application(self, cfg.CONF)
self.heartbeat_timeout = None
self.started_at = None
self.node = None
# lookup timeout in seconds
self.lookup_timeout = lookup_timeout
self.lookup_interval = lookup_interval
self.ip_lookup_attempts = ip_lookup_attempts
self.ip_lookup_sleep = ip_lookup_sleep
self.network_interface = network_interface
self.standalone = standalone
self.hardware_initialization_delay = hardware_initialization_delay
# IPA will stop serving requests and exit after this is set to False
self.serve_api = True
self.agent_token = agent_token
# Allows this to be turned on by the conductor while running,
# in the event of long running ramdisks where the conductor
# got upgraded somewhere along the way.
self.agent_token_required = cfg.CONF.agent_token_required
self.iscsi_started = False