class V2Controller(object):
"""Version 2 API controller root."""
resources = resources.ResourcesController()
meters = meters.MetersController()
samples = samples.SamplesController()
alarms = alarms.AlarmsController()
event_types = events.EventTypesController()
events = events.EventsController()
query = query.QueryController()
capabilities = capabilities.CapabilitiesController()
class V2Controller(object):
"""Version 2 API controller root."""
event_types = events.EventTypesController()
events = events.EventsController()
capabilities = capabilities.CapabilitiesController()
def __init__(self):
self._gnocchi_is_enabled = None
self._aodh_is_enabled = None
self._aodh_url = None
@property
def gnocchi_is_enabled(self):
if self._gnocchi_is_enabled is None:
if cfg.CONF.api.gnocchi_is_enabled is not None:
self._gnocchi_is_enabled = cfg.CONF.api.gnocchi_is_enabled
elif ("gnocchi" not in cfg.CONF.dispatcher
or "database" in cfg.CONF.dispatcher):
self._gnocchi_is_enabled = False
else:
try:
ks = keystone_client.get_client()
ks.service_catalog.url_for(service_type='metric')
except exceptions.EndpointNotFound:
self._gnocchi_is_enabled = False
except exceptions.ClientException:
LOG.warn(
_LW("Can't connect to keystone, assuming gnocchi "
"is disabled and retry later"))
else:
self._gnocchi_is_enabled = True
LOG.warn(
_LW("ceilometer-api started with gnocchi "
"enabled. The resources/meters/samples "
"URLs are disabled."))
return self._gnocchi_is_enabled
@property
def aodh_url(self):
if self._aodh_url is None:
if cfg.CONF.api.aodh_is_enabled is False:
self._aodh_url = ""
elif cfg.CONF.api.aodh_url is not None:
self._aodh_url = self._normalize_aodh_url(
cfg.CONF.api.aodh_url)
else:
try:
ks = keystone_client.get_client()
self._aodh_url = self._normalize_aodh_url(
ks.service_catalog.url_for(service_type='alarming'))
except exceptions.EndpointNotFound:
self._aodh_url = ""
except exceptions.ClientException:
LOG.warn(
_LW("Can't connect to keystone, "
"assuming aodh is disabled and retry later."))
else:
LOG.warn(
_LW("ceilometer-api started with aodh enabled. "
"Alarms URLs will be redirected to aodh "
"endpoint."))
return self._aodh_url
@pecan.expose()
def _lookup(self, kind, *remainder):
if (kind in ['meters', 'resources', 'samples']
and self.gnocchi_is_enabled):
gnocchi_abort()
elif kind == 'meters':
return meters.MetersController(), remainder
elif kind == 'resources':
return resources.ResourcesController(), remainder
elif kind == 'samples':
return samples.SamplesController(), remainder
elif kind == 'query':
return QueryController(
gnocchi_is_enabled=self.gnocchi_is_enabled,
aodh_url=self.aodh_url,
), remainder
elif kind == 'alarms' and self.aodh_url:
aodh_redirect(self.aodh_url)
elif kind == 'alarms':
return alarms.AlarmsController(), remainder
else:
pecan.abort(404)
@staticmethod
def _normalize_aodh_url(url):
if url.endswith("/"):
return url[:-1]
return url
class V2Controller(object):
"""Version 2 API controller root."""
capabilities = capabilities.CapabilitiesController()
def __init__(self):
self._gnocchi_is_enabled = None
self._aodh_is_enabled = None
self._aodh_url = None
self._panko_is_enabled = None
self._panko_url = None
@property
def gnocchi_is_enabled(self):
if self._gnocchi_is_enabled is None:
if pecan.request.cfg.api.gnocchi_is_enabled is not None:
self._gnocchi_is_enabled = (
pecan.request.cfg.api.gnocchi_is_enabled)
elif ("gnocchi" not in pecan.request.cfg.meter_dispatchers
or "database" in pecan.request.cfg.meter_dispatchers):
self._gnocchi_is_enabled = False
else:
try:
catalog = keystone_client.get_service_catalog(
keystone_client.get_client(pecan.request.cfg))
catalog.url_for(service_type='metric')
except exceptions.EndpointNotFound:
self._gnocchi_is_enabled = False
except exceptions.ClientException:
LOG.warning("Can't connect to keystone, assuming "
"gnocchi is disabled and retry later")
else:
self._gnocchi_is_enabled = True
LOG.warning("ceilometer-api started with gnocchi "
"enabled. The resources/meters/samples "
"URLs are disabled.")
return self._gnocchi_is_enabled
@property
def aodh_url(self):
if self._aodh_url is None:
if pecan.request.cfg.api.aodh_is_enabled is False:
self._aodh_url = ""
elif pecan.request.cfg.api.aodh_url is not None:
self._aodh_url = self._normalize_url(
pecan.request.cfg.api.aodh_url)
else:
try:
catalog = keystone_client.get_service_catalog(
keystone_client.get_client(pecan.request.cfg))
self._aodh_url = self._normalize_url(
catalog.url_for(service_type='alarming'))
except exceptions.EndpointNotFound:
self._aodh_url = ""
except exceptions.ClientException:
LOG.warning("Can't connect to keystone, assuming aodh "
"is disabled and retry later.")
else:
LOG.warning("ceilometer-api started with aodh "
"enabled. Alarms URLs will be redirected "
"to aodh endpoint.")
return self._aodh_url
@property
def panko_url(self):
if self._panko_url is None:
if pecan.request.cfg.api.panko_is_enabled is False:
self._panko_url = ""
elif pecan.request.cfg.api.panko_url is not None:
self._panko_url = self._normalize_url(
pecan.request.cfg.api.panko_url)
else:
try:
catalog = keystone_client.get_service_catalog(
keystone_client.get_client(pecan.request.cfg))
self._panko_url = self._normalize_url(
catalog.url_for(service_type='event'))
except exceptions.EndpointNotFound:
self._panko_url = ""
except exceptions.ClientException:
LOG.warning("Can't connect to keystone, assuming Panko "
"is disabled and retry later.")
else:
LOG.warning("ceilometer-api started with Panko "
"enabled. Events URLs will be redirected "
"to Panko endpoint.")
return self._panko_url
@pecan.expose()
def _lookup(self, kind, *remainder):
if (kind in ['meters', 'resources', 'samples']
and self.gnocchi_is_enabled):
if kind == 'meters' and pecan.request.method == 'POST':
direct = pecan.request.params.get('direct', '')
if strutils.bool_from_string(direct):
pecan.abort(
400,
_('direct option cannot be true when '
'Gnocchi is enabled.'))
return meters.MetersController(), remainder
gnocchi_abort()
elif kind == 'meters':
return meters.MetersController(), remainder
elif kind == 'resources':
return resources.ResourcesController(), remainder
elif kind == 'samples':
return samples.SamplesController(), remainder
elif kind == 'query':
return QueryController(
gnocchi_is_enabled=self.gnocchi_is_enabled,
aodh_url=self.aodh_url,
), remainder
elif kind == 'alarms' and (not self.aodh_url):
aodh_abort()
elif kind == 'alarms' and self.aodh_url:
_redirect(self.aodh_url)
elif kind == 'events' and self.panko_url:
return _redirect(self.panko_url)
elif kind == 'event_types' and self.panko_url:
return _redirect(self.panko_url)
else:
pecan.abort(404)
@staticmethod
def _normalize_url(url):
if url.endswith("/"):
return url[:-1]
return url
