def proxy_device(self):
"""
Return this component's corresponding proxy device, creating
it in the proxy_deviceclass if it does not exist.
Default assumes that the names must match.
"""
device = GUIDManager(self.dmd).getObject(getattr(self, "openstackProxyDeviceUUID", None))
if device:
guid = IGlobalIdentifier(self).getGUID()
# this shouldn't happen, but if we've somehow become half-connected
# (we know about the device, it doesn't know about us), reconnect.
if getattr(device, "openstackProxyComponentUUID", None) != guid:
LOG.info(
"%s component '%s' linkage to device '%s' is broken. Re-claiming it."
% (self.meta_type, self.name(), device.name())
)
self.claim_proxy_device(device)
return device
# Does a device with a matching name exist? Claim that one.
device = self.dmd.Devices.findDevice(self.name())
if device:
self_pdc_path = self.proxy_deviceclass().getPrimaryPath()
device_path = device.getPrimaryPath()[: len(self_pdc_path)]
if device_path == self_pdc_path and device.id != self.device().id:
self.claim_proxy_device(device)
return device
else:
return self.create_proxy_device()
else:
return self.create_proxy_device()
def release_proxy_device(self):
device = GUIDManager(self.dmd).getObject(getattr(self, 'openstackProxyDeviceUUID', None))
if device:
LOG.debug("device %s is now detached from %s component '%s'" % (device.name(), self.meta_type, self.name()))
device.openstackProxyComponentUUID = None
self.openstackProxyDeviceUUID = None
LOG.debug("%s component '%s' is now detached from any devices" % (self.meta_type, self.name()))
def release_proxy_device(self):
device = GUIDManager(self.dmd).getObject(
getattr(self, 'openstackProxyDeviceUUID', None))
if device:
LOG.debug("device %s is now detached from %s component '%s'" %
(device.name(), self.meta_type, self.name()))
device.openstackProxyComponentUUID = None
self.openstackProxyDeviceUUID = None
LOG.debug("%s component '%s' is now detached from any devices" %
(self.meta_type, self.name()))
