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[SAP] fix tox runs test #169

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[SAP] fix tox runs test #169

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@hemna hemna commented Mar 9, 2023

This patch pulls in some changes from upstream that hasn't landed yet as an attempt to fix the tox runs?

https://review.opendev.org/c/openstack/cinder/+/875939

imitevm and others added 30 commits October 3, 2022 16:34
With our VASA provider we cannot create disks with the default minimum
of 1MB as no LUNs below 4MB size can be created. The need for creating
such small volumes comes from the fact, that finding the actual size of
stream-optimized images is left to the vCenter, which grows the volume
dynamically.
When we're creating a volume from an image, the size was set to 0 to let
the vCenter figure out the uncompressed size. But with our VASA-provider
and using thin-provisioning we end up with empty volumes, presumably
because the volume doesn't auto-grow properly.

Since we know the size the volume should have in the end in advance and
we're not re-using the created VM as a template for others, we can
create the volume initially with the user-wanted size and don't have to
resize the volume afterwards.
Until now, when creating a snapshot from an attached volume, only the
additional unwanted disks got remove and the NICs/VIFs were kept. With
nsx-t this is a problem, as it does not allow duplicate MAC addresses
on the same logical switch. Therefore, we now remove all VIFs - or
rather every device that has a "macAddress" attribute - in the
clone-process.
* Adding-support-for-online-resize-cinder-volume
* pep8 fixes
* Added vmware_online_resize config option to disable online-resize
This filters out backends based on the shard defined in the backend's
extra_capabilities and in the project's tags.
This is addressing the fix for restoring VVol volumes from swift
backup. cinder-backup needs to upload the backup data to VMWare
via HttpNfc API by performing a ImportVApp call. Since this
operation is about to replace the existing backing, we want to
keep the main logic in cinder-volume. Thus, we instruct
cinder-backup how to build the spec for ImportVApp via a json-like
syntax, since it seems that suds objects can't pe pickled or
simply can't be sent plain over RPC.
After a restore backup operation, we correct the name and backing uuid
for the newly created backing.
This commit also includes moving some values into constants and updating
the unit tests.

[SAP] fix VM related constants

[SAP] vmdk driver - adding comment for terminate_connection()
Got notified about this by `tox -e pep8` ... didn't know.
When we set a datastore in maintenace, we remove the tag connecting it
to the storage-profile. We do this to prohibit cinder from using that
datastore for new volumes. But since cinder also checks the tags for
finding a valid datastore on attachment, it does a costly and slow
vMotion of the volume to another datasore. We don't want it to vMotion
the volumes automatically, but rather want to do it on our own, as doing
it on attachment makes attachments really slow.

Setting `vmware_profile_check_on_attach` to `false` will disable the
check on attachment. It's still done on resize, though.
Snapshots are only run through the scheduler to check the capacity is
still available. The host is already defined and only that host is
checked. Therefore, we can savely ignore snapshots in the `ShardFilter`.
Since it would be too much effort to change our blackbox tests to use
multiple projects so they can test in all shards, we implement an
override in the `ShardFilter` via scheduler_hints.
Example:
  os volume create --size 10 asdf --hint vcenter-shard=vc-a-1
This patch adds the 'custom-requirements.txt' file which is
used by loci builds for cinder base container images.

This patch adds the python-agentliveness package that we use
to ensure the c-api/c-sch/c-bak/c-vol service is up.
This patch adds the capability reporting for
thin provisioning support as well as max over subscription
and reserve percentage.

https://docs.openstack.org/cinder/queens/admin/blockstorage-over-subscription.html
This patch adds some missing requirements that prevents
cinder services from running in our environment.
This patch adds redis to the custom-requirements.txt which is
needed by osprofiler
* chunkeddriver - improving the restore operation

Compute all the incremental backups prior to writing it to the
file, so that a single write operation is executed on the
volume_file regardless the number of incremental backups.
Removes the need of seeking back into the volume_file for
overwriting with incremental chunks.

* Fix add_object() to avoid unnecessary iteration over the same object

The previous approach of iterating on enumerate() while inserting
2 times into the list, was doing an extra useless iteration over
an object that has just been inserted.
We switch to while loop so that we are able to jump to the desired
index after we inserted the segments into the list.

* Add iterator methods in BackupRestoreHandle

Since this was built to be used as an iterator, it's cleaner
to use the python iterator api and get rid of the has_next()
and get_next() methods.

* Fix _clear_reader() to properly clear the reader if it's not needed

It checks if there are no more segments of the same object after the
current index till the end of the segments list, case when it also
closes and removes the reader from the cache directly.

* Added a docstring for the Segment.of() method

* Create BackupRestoreHandleV1 for handling v1 metadata

Since we're handling most of the restore process within the
BackupRestoreHandle class, we're now moving the metadata
versioning down to it's own class (BackupRestoreHandleV1).

DRIVER_VERSION_MAPPING should now refer to class names.
This kind of classes should extend BackupRestoreHandle
or at least take as constructor parameters:
* chunked_driver - an instance of ChunkedBackupDriver
* volume_id - the volume id
* volume_file - the file handle where to write the data

Additionaly, such a class should implement the following methods:
* add_backup(backup, metadata) - called for each backup
* finish_restore() - called after the backups are iterated

* Make BackupRestoreHandle an abstract class

Since BackupRestoreHandle does not implement the add_backup method
which lets other classes inheriting it to define their own backup
and metadata handling, it makes sense to make it abstract.
This patch adds the concourse_unit_test_task file so we can run
unit tests during the loci image build process.
There is a bug in setuptools that prevents python installs
from working correctly and you end up with an error
"error: 'egg_base' must be a directory name (got `src`)"

This patch upgrades the version of pip for running unit tests,
which should fix the error.
This patch adds the import_data options during volume attach
for migrating a volume.   When a volume is attached locally
for work during migration the volume needs to be writeable
in order for cinder to copy bits into the volume.   This import_data
section of the connection_properties, instructs os-brick to create
a write handle for the http connection to the volume.

This is needed for migrating a volume from one shard to another,
since cinder's generic volume copy takes over.
This patch fixes an issue that tempest found during
test_volume_snapshot_backup and the volume['migration_status'] was None
and can't be dereferenced as a string.
This patch ensures that the connector is not None during
force detach.  This issue was found during a tempest run.
This patch adds the cinder host to the update volume stats
notification in the log, so we can track which cinder host
is updating at what time.
This patch adds some driver startup validation for the cinder.conf
vmware_storage_profile setting.   It makes sure the storage profile
exists.

This patch also adds some validation to the get_volume_stats, to make
sure not to try and call vcenter when we didn't find any datastores
during get_volume_stats() time.   We simply log a warning and move on.
)

* Improve the deletion of object readers in BackupRestoreHandle

This deletes right away an object reader which is not needed
anymore, without waiting for the garbage collector to take care
of it. As an effect, this should lower the memory consumption.

* Fix finish_restore to increment the current object index

This fixes the high memory consumption caused by _clear_reader
which was not able to do its job because the self._idx
was not reflecting the correct value.

* fix pep8 - use delayed string interpolation
Drivers may need to create their own RPC communication channel to
exchange vendor-specific logic.
A driver can now specify additional RPC endpoints by appending it
to the `self.additional_endpoints` list. The manager will always
initialize that property as an empty list and take care of
exposing the endpoints after the driver has been loaded.
This is a feature which is already possible in Nova.
Implement driver's `migrate_volume`.
It adds a new RPC server and client for communicating with the
destination host to get information needed to build the
relocate spec for a particular volume: datastore, resource pool,
host, vcenter info, and to perform `move_backing_to_folder` after
the volume was relocated, or, to create the backing on the
destination host if it doesn't already exist.
hemna and others added 28 commits October 11, 2022 15:53
This patch adds the cinder host name to the lock for collecting
volume-stats to ensure the lock is contextual only inside each
host volume process.  This will prevent other hosts for waiting
for the same lock when they don't need to.
This adds a helper-function _get_properties_for_morefs() to the
DatastoreSelector, as we want to be able to fetch certain properties not
just for all objects of a type or by making a call per object, but by
telling the vCenter to retrieve the properties for the objects we
specify.

Change-Id: I7f1de1b5034e98244e53d4f02dfe9cabdf958cf6
Instead of querying the vCenter with multiple queries for each and every
host and cluster, we try to pre-fetch all the relevant properties and
pass them on to the appropriate functions. Those function take the cache
as optional argument, so they still work as before when called without
it from another source.

Additionally, we only fetch "runtime.inMaintenanceMode" and
"runtime.connectionState" instead of fetching all of "runtime". This
reduces the amount of costly XML-parsing in our cinder-volume pod.

Change-Id: I37c0c0e86439e67aea95cd5efaa20377d3121e64
This patch adds an exception catch around the call to delete
a snapshot template.  If the template isn't found, then most likely
it was never created, so 'delete' can be successful.
they are specified in custom-requirements.txt
This patch updates the requirements.txt to include the optional
package memacached required for tooz for our deployment
[SAP] Update requirements.txt to include memcached for tooz
VMDKs are stream optimized, having different size than the actual
volume. We have to set the correct vmdk_size to VmdkWriteHandle
so that it can validate the upload progress correctly.
Temptest tests found a bug in the shard filter where creating
a cinder group from an existing group or group snapshot always failed
with not finding any hosts.  This is due to the shard filter not getting
much of any information about the request.

This patch adds the project_id of the group being created to ensure that
the shard filter can work properly.
[SAP] set the correct vmdk_size when restoring backups
[SAP] Fix the shard filter for group creation
This patch allows a snapshot creation request go through the
scheduler to pick a pool for the snapshot to live on.
The backend picked by the scheduler is added to the snapshot
metadata.  This metadata field '__cinder_internal_backend'
is filtered out of requests fetching the snapshot information,
so end users will never see it.

To enable this ability a new config option is added to the
scheduler and is defaulted to be False or disabled.

sap_allow_independent_snapshots

This allows creating a snapshot from a volume to happen on a
completely different pool than the source volume.

This patch also alters create volume from snapshot, to allow a volume
to be created from a different pool than the source volume that
the snapshot was created from.

All of this is not how upstream works or allows.

Fix snapshot view filtering

This patch fixes an issue iterating over the metadata
from the snapshot views API.  The code is supposed to filter out
and remove the __cinder_internal keys in the metadata.  This patch
looks for the keys to remove first and then deletes them instead
of iterating over the metadata array and trying to delete them while
iterating over the metadata, which causes a python exception.
This patch adds a new custom sap config option
SAP_allow_independent_clone

This patch allows a clone of a volume to be scheduled on a
different pool than the source volume.
fixes hanging thread due to
eventlet/eventlet#432
which may get fixed for oslo.log in 5.0.1
with openstack/oslo.log@94b9dc3
(at the time of writing master in antelope cycle is constraint to 5.0.0)
This patch looks for a custom attribute 'cinder_state' on a datastore
at get_volume_stats() time.  If the custom attribute value is 'drain',
then the datastore is marked as 'draining' and cinder shouldn't use it
for provisioning new requests.  The datastore will be marked as down
in the pool stats for that datastore.
This patch updates the 141 DB version upgrade to first drop the existing
quota_usages table constraint on quota_usages_project_id_key, which
happens to be UNIQUE (project_id, resource, deleted).

141 by default adds a unique constraint on the same key as
ALTER TABLE quota_usages ADD CONSTRAINT quota_usages_project_id_key
UNIQUE (project_id, resource, race_preventer)
[SAP] drop existing SAP constraint
This patch changes how cinder calls the oslo.vmware rw_handle
to set the size of the contents of the vmdk file bytes to using
a method on the object.

This requires PR:
sapcc/oslo.vmware#35
[SAP] Fix setting the restore handle size
This patch fixes some formats of strings and calls to LOG.  They were
working in train, but started failing in Wallaby.

The old strings were LOG.debug("foo bar {}", something)

They are fixed to
LOG.debug("foo bar %s", something)
Changes:
- eliminate whitespace in passenv values
- account for stricter allowlist checking
- removed skipsdist=True, which in tox 4 appears to prevent cinder
  from being installed in the testenvs
- made 4.0.0 the tox minversion, which means tox will have to update
  itself until it's available in distros, which in turn means that
  the default install_command needs to be used in the base testenv,
  which means a new base pyXX testenv is added to include our
  install_command that includes upper constraints
- added install_command to most testenvs since they don't inherit
  the correct one from the base testenv any more

Not strictly necessary for this patch, but I did them anyway:
- moved the api-ref and releasenotes testenvs to be closer to
  the docs testenv
- added reno as a dep for the 'venv' testenv, which our contributor
  docs say should be used to generate a new release note from the
  reno template, and which has apparently been broken for a while

This patch makes tox 4 the default so that we can hopefully catch
problems locally before they block the gate.

SAP -
  The change to setup.py to add the py_modules line comes from
  setuptools >= 61 being automatically installed in the process
  and it's only overwritten with the version from constraints

Change-Id: I75e36fa100925bd486c9d4fdf8a33dd58347ce81
This patch pulls in some changes from upstream that hasn't landed yet
as an attempt to fix the tox runs?

https://review.opendev.org/c/openstack/cinder/+/875939
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