def handle_update(self, json_snippet, tmpl_diff, prop_diff):
prg_attach = None
prg_detach = None
if prop_diff:
# Even though some combinations of changed properties
# could be updated in UpdateReplace manner,
# we still first detach the old resource so that
# self.resource_id is not replaced prematurely
volume_id = self.properties[self.VOLUME_ID]
server_id = self._stored_properties_data.get(self.INSTANCE_ID)
self.client_plugin('nova').detach_volume(server_id,
self.resource_id)
prg_detach = heat_cinder.VolumeDetachProgress(
server_id, volume_id, self.resource_id)
prg_detach.called = True
if self.VOLUME_ID in prop_diff:
volume_id = prop_diff.get(self.VOLUME_ID)
device = self.properties[self.DEVICE]
if self.DEVICE in prop_diff:
device = prop_diff.get(self.DEVICE)
if self.INSTANCE_ID in prop_diff:
server_id = prop_diff.get(self.INSTANCE_ID)
prg_attach = heat_cinder.VolumeAttachProgress(
server_id, volume_id, device)
return prg_detach, prg_attach
def handle_delete(self):
server_id = self.properties[self.INSTANCE_ID]
vol_id = self.properties[self.VOLUME_ID]
self.client_plugin('nova').detach_volume(server_id, self.resource_id)
prg = heat_cinder.VolumeDetachProgress(server_id, vol_id,
self.resource_id)
prg.called = True
return prg
def handle_update(self, json_snippet, tmpl_diff, prop_diff):
vol = None
cinder = self.client()
prg_resize = None
prg_attach = None
prg_detach = None
# update the name and description for cinder volume
if self.NAME in prop_diff or self.DESCRIPTION in prop_diff:
vol = cinder.volumes.get(self.resource_id)
update_name = (prop_diff.get(self.NAME)
or self.properties[self.NAME])
update_description = (prop_diff.get(self.DESCRIPTION)
or self.properties[self.DESCRIPTION])
kwargs = self._fetch_name_and_description(
cinder.volume_api_version, update_name, update_description)
cinder.volumes.update(vol, **kwargs)
# update the metadata for cinder volume
if self.METADATA in prop_diff:
if not vol:
vol = cinder.volumes.get(self.resource_id)
metadata = prop_diff.get(self.METADATA)
cinder.volumes.update_all_metadata(vol, metadata)
# retype
if self.VOLUME_TYPE in prop_diff:
if cinder.volume_api_version == 1:
LOG.info(
_LI('Volume type update not supported '
'by Cinder API V1.'))
raise exception.NotSupported(
feature=_('Using Cinder API V1, volume_type update'))
else:
if not vol:
vol = cinder.volumes.get(self.resource_id)
new_vol_type = prop_diff.get(self.VOLUME_TYPE)
cinder.volumes.retype(vol, new_vol_type, 'never')
# update read_only access mode
if self.READ_ONLY in prop_diff:
flag = prop_diff.get(self.READ_ONLY)
cinder.volumes.update_readonly_flag(self.resource_id, flag)
# extend volume size
if self.SIZE in prop_diff:
if not vol:
vol = cinder.volumes.get(self.resource_id)
new_size = prop_diff[self.SIZE]
if new_size < vol.size:
raise exception.NotSupported(feature=_("Shrinking volume"))
elif new_size > vol.size:
prg_resize = heat_cinder.VolumeResizeProgress(size=new_size)
if vol.attachments:
# NOTE(pshchelo):
# this relies on current behavior of cinder attachments,
# i.e. volume attachments is a list with len<=1,
# so the volume can be attached only to single instance,
# and id of attachment is the same as id of the volume
# it describes, so detach/attach the same volume
# will not change volume attachment id.
server_id = vol.attachments[0]['server_id']
device = vol.attachments[0]['device']
attachment_id = vol.attachments[0]['id']
prg_detach = heat_cinder.VolumeDetachProgress(
server_id, vol.id, attachment_id)
prg_attach = heat_cinder.VolumeAttachProgress(
server_id, vol.id, device)
return prg_detach, prg_resize, prg_attach