def is_stale_attachment(self, dev, prefix):
log.debug('Checking for stale attachment. dev: {0}, prefix: {1}'.format(dev, prefix))
if dev in self.attached_block_devices(prefix) and not os_node_exists(dev):
log.debug('{0} is stale, rejecting'.format(dev))
return True
log.debug('{0} not stale, using'.format(dev))
return False
def is_stale_attachment(self, dev, prefix):
log.debug('Checking for stale attachment. dev: {0}, prefix: {1}'.format(dev, prefix))
if dev in self.attached_block_devices(prefix) and not os_node_exists(dev):
log.debug('{0} is stale, rejecting'.format(dev))
return True
log.debug('{0} not stale, using'.format(dev))
return False
def _volume_detached(self, blockdevice):
status = self._volume.update()
if status != 'available':
raise VolumeException('Volume {0} not yet detached from {1}'.format(self._volume.id, self._instance.id))
elif os_node_exists(blockdevice):
raise VolumeException('Device node {0} still exists'.format(blockdevice))
else:
return True
def _volume_attached(self, blockdevice):
status = self._volume.update()
if status != 'in-use':
raise VolumeException('Volume {0} not yet attached to {1}:{2}'.format(self._volume.id, self._instance.id, blockdevice))
elif not os_node_exists(blockdevice):
raise VolumeException('{0} does not exist yet.'.format(blockdevice))
else:
return True
def _volume_detached(self, blockdevice):
status = self._volume.update()
if status != 'available':
raise VolumeException('Volume {0} not yet detached from {1}'.format(self._volume.id, self._instance.id))
elif os_node_exists(blockdevice):
raise VolumeException('Device node {0} still exists'.format(blockdevice))
else:
return True
def _volume_attached(self, blockdevice):
status = self._volume.update()
if status != 'in-use':
raise VolumeException('Volume {0} not yet attached to {1}:{2}'.format(self._volume.id, self._instance.id, blockdevice))
elif not os_node_exists(blockdevice):
raise VolumeException('{0} does not exist yet.'.format(blockdevice))
else:
return True