Merge "Robustify attachment tracking in CinderFixtureNewAttachFlow" into stable/rocky
This commit is contained in:
commit
8ea68b26b2
|
@ -1588,16 +1588,21 @@ class CinderFixtureNewAttachFlow(fixtures.Fixture):
|
|||
self.swap_volume_instance_uuid = None
|
||||
self.swap_volume_instance_error_uuid = None
|
||||
self.attachment_error_id = None
|
||||
# A map of volumes to a list of (attachment_id, instance_uuid).
|
||||
# A dict, keyed by volume id, to a dict, keyed by attachment id,
|
||||
# with keys:
|
||||
# - id: the attachment id
|
||||
# - instance_uuid: uuid of the instance attached to the volume
|
||||
# - connector: host connector dict; None if not connected
|
||||
# Note that a volume can have multiple attachments even without
|
||||
# multi-attach, as some flows create a blank 'reservation' attachment
|
||||
# before deleting another attachment.
|
||||
self.volume_to_attachment = collections.defaultdict(list)
|
||||
# before deleting another attachment. However, a non-multiattach volume
|
||||
# can only have at most one attachment with a host connector at a time.
|
||||
self.volume_to_attachment = collections.defaultdict(dict)
|
||||
|
||||
def volume_ids_for_instance(self, instance_uuid):
|
||||
for volume_id, attachments in self.volume_to_attachment.items():
|
||||
for _, _instance_uuid in attachments:
|
||||
if _instance_uuid == instance_uuid:
|
||||
for attachment in attachments.values():
|
||||
if attachment['instance_uuid'] == instance_uuid:
|
||||
# we might have multiple volumes attached to this instance
|
||||
# so yield rather than return
|
||||
yield volume_id
|
||||
|
@ -1629,14 +1634,14 @@ class CinderFixtureNewAttachFlow(fixtures.Fixture):
|
|||
else self.swap_volume_instance_error_uuid)
|
||||
|
||||
if attachments:
|
||||
attachment_id, instance_uuid = attachments[0]
|
||||
attachment = list(attachments.values())[0]
|
||||
|
||||
volume.update({
|
||||
'status': 'in-use',
|
||||
'attachments': {
|
||||
instance_uuid: {
|
||||
'mountpoint': '/dev/vdb',
|
||||
'attachment_id': attachment_id
|
||||
'attachment_id': attachment['id']
|
||||
}
|
||||
},
|
||||
'attach_status': 'attached'
|
||||
|
@ -1646,7 +1651,7 @@ class CinderFixtureNewAttachFlow(fixtures.Fixture):
|
|||
# Check to see if the volume is attached.
|
||||
if attachments:
|
||||
# The volume is attached.
|
||||
attachment_id, instance_uuid = attachments[0]
|
||||
attachment = list(attachments.values())[0]
|
||||
volume = {
|
||||
'status': 'in-use',
|
||||
'display_name': volume_id,
|
||||
|
@ -1655,8 +1660,8 @@ class CinderFixtureNewAttachFlow(fixtures.Fixture):
|
|||
'multiattach': volume_id == self.MULTIATTACH_VOL,
|
||||
'size': 1,
|
||||
'attachments': {
|
||||
instance_uuid: {
|
||||
'attachment_id': attachment_id,
|
||||
attachment['instance_uuid']: {
|
||||
'attachment_id': attachment['id'],
|
||||
'mountpoint': '/dev/vdb'
|
||||
}
|
||||
}
|
||||
|
@ -1700,14 +1705,13 @@ class CinderFixtureNewAttachFlow(fixtures.Fixture):
|
|||
"""Find attachment corresponding to ``attachment_id``.
|
||||
|
||||
Returns:
|
||||
A tuple of the volume ID, an attachment-instance mapping tuple
|
||||
for the given attachment ID, and a list of attachment-instance
|
||||
mapping tuples for the volume.
|
||||
A tuple of the volume ID, an attachment dict
|
||||
for the given attachment ID, and a dict (keyed by attachment
|
||||
id) of attachment dicts for the volume.
|
||||
"""
|
||||
for volume_id, attachments in self.volume_to_attachment.items():
|
||||
for attachment in attachments:
|
||||
_attachment_id, instance_uuid = attachment
|
||||
if attachment_id == _attachment_id:
|
||||
for attachment in attachments.values():
|
||||
if attachment_id == attachment['id']:
|
||||
return volume_id, attachment, attachments
|
||||
raise exception.VolumeAttachmentNotFound(
|
||||
attachment_id=attachment_id)
|
||||
|
@ -1718,8 +1722,10 @@ class CinderFixtureNewAttachFlow(fixtures.Fixture):
|
|||
if self.attachment_error_id is not None:
|
||||
attachment_id = self.attachment_error_id
|
||||
attachment = {'id': attachment_id, 'connection_info': {'data': {}}}
|
||||
self.volume_to_attachment[volume_id].append(
|
||||
(attachment_id, instance_uuid))
|
||||
self.volume_to_attachment[volume_id][attachment_id] = {
|
||||
'id': attachment_id,
|
||||
'instance_uuid': instance_uuid,
|
||||
'connector': connector}
|
||||
LOG.info('Created attachment %s for volume %s. Total '
|
||||
'attachments for volume: %d', attachment_id, volume_id,
|
||||
len(self.volume_to_attachment[volume_id]))
|
||||
|
@ -1730,7 +1736,7 @@ class CinderFixtureNewAttachFlow(fixtures.Fixture):
|
|||
# 'attachment' is a tuple defining a attachment-instance mapping
|
||||
volume_id, attachment, attachments = (
|
||||
_find_attachment(attachment_id))
|
||||
attachments.remove(attachment)
|
||||
del attachments[attachment_id]
|
||||
LOG.info('Deleted attachment %s for volume %s. Total attachments '
|
||||
'for volume: %d', attachment_id, volume_id,
|
||||
len(attachments))
|
||||
|
@ -1738,7 +1744,18 @@ class CinderFixtureNewAttachFlow(fixtures.Fixture):
|
|||
def fake_attachment_update(_self, context, attachment_id, connector,
|
||||
mountpoint=None):
|
||||
# Ensure the attachment exists
|
||||
_find_attachment(attachment_id)
|
||||
volume_id, attachment, attachments = (
|
||||
_find_attachment(attachment_id))
|
||||
# Cinder will only allow one "connected" attachment per
|
||||
# non-multiattach volume at a time.
|
||||
if volume_id != self.MULTIATTACH_VOL:
|
||||
for _attachment in attachments.values():
|
||||
if _attachment['connector'] is not None:
|
||||
raise exception.InvalidInput(
|
||||
'Volume %s is already connected with attachment '
|
||||
'%s on host %s' % (volume_id, _attachment['id'],
|
||||
_attachment['connector'].get('host')))
|
||||
attachment['connector'] = connector
|
||||
LOG.info('Updating volume attachment: %s', attachment_id)
|
||||
attachment_ref = {'driver_volume_type': 'fake_type',
|
||||
'id': attachment_id,
|
||||
|
|
Loading…
Reference in New Issue