def _set_job_error(self, job_id, msg):
self.logger.error(msg)
try:
Util.retry_update_job(self.cb, job_id, state='FAILED',
previous_state='RUNNING', progress=100,
msg=msg, executor=self.executor)
except Exception as e:
self.logger.error('cannot update %s: %s' % (job_id, str(e)))
def _create_volume(self, job):
job_id = self._job_id(job)
vol_docid = str(job['targetResource'])
self.logger.info('creating %s' % vol_docid)
try:
rv = self.cb.get(vol_docid)
cas = rv.cas
volume = rv.value
except couchbase.exceptions.NotFoundError:
msg = 'cannot retrieve %s' % vol_docid
self._set_job_error(job_id, msg)
return
try:
kbytes = volume['capacity']
except KeyError:
msg = 'volume is missing capacity value'
self._set_job_error(job_id, msg)
self.update_volume_state(vol_docid, volume, cas, 'ERROR', msg=msg)
return
size = Controller.kb_to_gb(kbytes)
try:
tag = str(volume['name'])
except KeyError:
tag = None
config_holder = ConfigHolder(config=self.cfg)
try:
pdisk = VolumeManagerFactory.create(config_holder)
sl_uuid = pdisk.createVolume(size, tag, 'private')
except Exception as e:
msg = 'error creating volume: %s' % str(e)
self._set_job_error(job_id, msg)
self.update_volume_state(vol_docid, volume, cas, 'ERROR', msg=str(e))
return
self.logger.info('created pdisk uuid %s' % str(sl_uuid))
self.update_volume_state(vol_docid, volume, cas, 'AVAILABLE', sl_uuid=sl_uuid)
try:
Util.retry_update_job(self.cb, job_id, state='SUCCESS',
previous_state='RUNNING', progress=100,
msg='OK', executor=self.executor)
except Exception as e:
self.logger.error('cannot update %s: %s' % (job_id, str(e)))
def _delete_volume(self, job):
job_id = self._job_id(job)
vol_docid = str(job['targetResource'])
self.logger.info('deleting %s' % vol_docid)
try:
rv = self.cb.get(vol_docid)
cas = rv.cas
volume = rv.value
except couchbase.exceptions.NotFoundError:
msg = 'cannot retrieve %s' % vol_docid
self._set_job_error(job_id, msg)
return
try:
sl_uuid = str(volume['properties']['sl_uuid'])
except Exception:
msg = 'volume is missing sl_uuid property'
self._set_job_error(job_id, msg)
return
config_holder = ConfigHolder(config=self.cfg)
try:
pdisk = VolumeManagerFactory.create(config_holder)
pdisk.deleteVolume(sl_uuid)
except Exception as e:
msg = 'error deleting sl_uuid %s: %s' % (sl_uuid, str(e))
self._set_job_error(job_id, msg)
return
try:
self.cb.delete(vol_docid, cas=cas)
except couchbase.exceptions.KeyExistsError:
msg = 'cannot delete %s' % vol_docid
self._set_job_error(job_id, msg)
return
try:
Util.retry_update_job(self.cb, job_id, state='SUCCESS',
previous_state='RUNNING', progress=100,
msg='OK', executor=self.executor)
except Exception as e:
self.logger.error('cannot update %s: %s' % (job_id, str(e)))
