def schedule_create_volume(self, context, volume_id, *_args, **_kwargs):
"""Picks the best host based on requested drive type capability."""
volume_ref = db.volume_get(context, volume_id)
host = self._check_host_enforcement(context,
volume_ref['availability_zone'])
if host:
driver.cast_to_volume_host(context,
host,
'create_volume',
volume_id=volume_id,
**_kwargs)
return None
volume_type_id = volume_ref['volume_type_id']
if volume_type_id:
volume_type = volume_types.get_volume_type(context, volume_type_id)
if volume_type_id is None or\
volume_types.is_vsa_volume(volume_type_id, volume_type):
LOG.debug(_("Non-VSA volume %d"), volume_ref['id'])
return super(VsaScheduler,
self).schedule_create_volume(context, volume_id,
*_args, **_kwargs)
self._print_capabilities_info()
drive_type = {
'name': volume_type['extra_specs'].get('drive_name'),
'type': volume_type['extra_specs'].get('drive_type'),
'size': int(volume_type['extra_specs'].get('drive_size')),
'rpm': volume_type['extra_specs'].get('drive_rpm'),
}
LOG.debug(_("Spawning volume %(volume_id)s with drive type "\
"%(drive_type)s"), locals())
request_spec = {'size': volume_ref['size'], 'drive_type': drive_type}
hosts = self._filter_hosts("volume", request_spec)
try:
(host, qos_cap) = self._select_hosts(request_spec, all_hosts=hosts)
except Exception:
LOG.exception(_("Error creating volume"))
if volume_ref['to_vsa_id']:
db.vsa_update(context, volume_ref['to_vsa_id'],
dict(status=VsaState.FAILED))
raise
if host:
driver.cast_to_volume_host(context,
host,
'create_volume',
volume_id=volume_id,
**_kwargs)
def schedule_create_volume(self, context, volume_id, *_args, **_kwargs):
"""Picks the best host based on requested drive type capability."""
volume_ref = db.volume_get(context, volume_id)
host = self._check_host_enforcement(context,
volume_ref['availability_zone'])
if host:
now = utils.utcnow()
db.volume_update(context, volume_id, {'host': host,
'scheduled_at': now})
return host
volume_type_id = volume_ref['volume_type_id']
if volume_type_id:
volume_type = volume_types.get_volume_type(context, volume_type_id)
if volume_type_id is None or\
volume_types.is_vsa_volume(volume_type_id, volume_type):
LOG.debug(_("Non-VSA volume %d"), volume_ref['id'])
return super(VsaScheduler, self).schedule_create_volume(context,
volume_id, *_args, **_kwargs)
self._print_capabilities_info()
drive_type = {
'name': volume_type['extra_specs'].get('drive_name'),
'type': volume_type['extra_specs'].get('drive_type'),
'size': int(volume_type['extra_specs'].get('drive_size')),
'rpm': volume_type['extra_specs'].get('drive_rpm'),
}
LOG.debug(_("Spawning volume %(volume_id)s with drive type "\
"%(drive_type)s"), locals())
request_spec = {'size': volume_ref['size'],
'drive_type': drive_type}
hosts = self._filter_hosts("volume", request_spec)
try:
(host, qos_cap) = self._select_hosts(request_spec, all_hosts=hosts)
except:
if volume_ref['to_vsa_id']:
db.vsa_update(context, volume_ref['to_vsa_id'],
dict(status=VsaState.FAILED))
raise
if host:
now = utils.utcnow()
db.volume_update(context, volume_id, {'host': host,
'scheduled_at': now})
self._consume_resource(qos_cap, volume_ref['size'], -1)
return host
def schedule_create_volume(self, context, volume_id, *_args, **_kwargs):
"""Picks the best host based on requested drive type capability."""
volume_ref = db.volume_get(context, volume_id)
host = self._check_host_enforcement(context,
volume_ref['availability_zone'])
if host:
driver.cast_to_volume_host(context, host, 'create_volume',
volume_id=volume_id, **_kwargs)
return None
volume_type_id = volume_ref['volume_type_id']
if volume_type_id:
volume_type = volume_types.get_volume_type(context, volume_type_id)
if (volume_type_id is None or
volume_types.is_vsa_volume(volume_type_id, volume_type)):
LOG.debug(_("Non-VSA volume %d"), volume_ref['id'])
return super(VsaScheduler, self).schedule_create_volume(context,
volume_id, *_args, **_kwargs)
self._print_capabilities_info()
drive_type = {
'name': volume_type['extra_specs'].get('drive_name'),
'type': volume_type['extra_specs'].get('drive_type'),
'size': int(volume_type['extra_specs'].get('drive_size')),
'rpm': volume_type['extra_specs'].get('drive_rpm'),
}
LOG.debug(_("Spawning volume %(volume_id)s with drive type "
"%(drive_type)s"), locals())
request_spec = {'size': volume_ref['size'],
'drive_type': drive_type}
hosts = self._filter_hosts("volume", request_spec)
try:
(host, qos_cap) = self._select_hosts(request_spec, all_hosts=hosts)
except Exception:
LOG.exception(_("Error creating volume"))
if volume_ref['to_vsa_id']:
db.vsa_update(context, volume_ref['to_vsa_id'],
dict(status=vsa_api.VsaState.FAILED))
raise
if host:
driver.cast_to_volume_host(context, host, 'create_volume',
volume_id=volume_id, **_kwargs)
def _is_vsa_volume(self, volume):
return volume_types.is_vsa_volume(volume['volume_type_id'])
def _is_vsa_volume(self, volume):
return volume_types.is_vsa_volume(volume['volume_type_id'])
