openstacksdk/openstack/cloud/_block_storage.py

850 lines
30 KiB
Python

# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import warnings
from openstack.cloud import _utils
from openstack.cloud import openstackcloud
from openstack import exceptions
from openstack import resource
from openstack import warnings as os_warnings
class BlockStorageCloudMixin(openstackcloud._OpenStackCloudMixin):
def list_volumes(self, cache=None):
"""List all available volumes.
:param cache: **DEPRECATED** This parameter no longer does anything.
:returns: A list of volume ``Volume`` objects.
"""
if cache is not None:
warnings.warn(
"the 'cache' argument is deprecated and no longer does "
"anything; consider removing it from calls",
os_warnings.RemovedInSDK50Warning,
)
return list(self.block_storage.volumes())
def list_volume_types(self, get_extra=None):
"""List all available volume types.
:param get_extra: **DEPRECATED** This parameter no longer does
anything.
:returns: A list of volume ``Type`` objects.
"""
if get_extra is not None:
warnings.warn(
"the 'get_extra' argument is deprecated and no longer does "
"anything; consider removing it from calls",
os_warnings.RemovedInSDK50Warning,
)
return list(self.block_storage.types())
# TODO(stephenfin): Remove 'filters' in a future major version
def get_volume(self, name_or_id, filters=None):
"""Get a volume by name or ID.
:param name_or_id: Name or unique ID of the volume.
:param filters: **DEPRECATED** A dictionary of meta data to use for
further filtering. Elements of this dictionary may, themselves, be
dictionaries. Example::
{'last_name': 'Smith', 'other': {'gender': 'Female'}}
OR
A string containing a jmespath expression for further filtering.
Example::
"[?last_name==`Smith`] | [?other.gender]==`Female`]"
:returns: A volume ``Volume`` object if found, else None.
"""
return _utils._get_entity(self, 'volume', name_or_id, filters)
def get_volume_by_id(self, id):
"""Get a volume by ID
:param id: ID of the volume.
:returns: A volume ``Volume`` object if found, else None.
"""
return self.block_storage.get_volume(id)
# TODO(stephenfin): Remove 'filters' in a future major version
def get_volume_type(self, name_or_id, filters=None):
"""Get a volume type by name or ID.
:param name_or_id: Name or unique ID of the volume type.
:param filters: **DEPRECATED** A dictionary of meta data to use for
further filtering. Elements of this dictionary may, themselves, be
dictionaries. Example::
{'last_name': 'Smith', 'other': {'gender': 'Female'}}
OR
A string containing a jmespath expression for further filtering.
Example::
"[?last_name==`Smith`] | [?other.gender]==`Female`]"
:returns: A volume ``Type`` object if found, else None.
"""
return _utils._get_entity(self, 'volume_type', name_or_id, filters)
def create_volume(
self,
size,
wait=True,
timeout=None,
image=None,
bootable=None,
**kwargs,
):
"""Create a volume.
:param size: Size, in GB of the volume to create.
:param wait: If true, waits for volume to be created.
:param timeout: Seconds to wait for volume creation. None is forever.
:param image: (optional) Image name, ID or object from which to create
the volume
:param bootable: (optional) Make this volume bootable. If set, wait
will also be set to true.
:param kwargs: Keyword arguments as expected for cinder client.
:returns: The created volume ``Volume`` object.
:raises: :class:`~openstack.exceptions.ResourceTimeout` if wait time
exceeded.
:raises: :class:`~openstack.exceptions.SDKException` on operation
error.
"""
if bootable is not None:
wait = True
if image:
if isinstance(image, dict):
if not isinstance(image, resource.Resource):
warnings.warn(
"Support for passing image as a raw dict has "
"been deprecated for removal. Consider passing a "
"string name or ID or an Image object instead.",
os_warnings.RemovedInSDK60Warning,
)
kwargs['imageRef'] = image['id']
else: # object
image_obj = self.image.find_image(image, ignore_missing=False)
kwargs['imageRef'] = image_obj['id']
kwargs = self._get_volume_kwargs(kwargs)
kwargs['size'] = size
volume = self.block_storage.create_volume(**kwargs)
if volume['status'] == 'error':
raise exceptions.SDKException("Error in creating volume")
if wait:
self.block_storage.wait_for_status(volume, wait=timeout)
if bootable:
self.block_storage.set_volume_bootable_status(volume, True)
return volume
def update_volume(self, name_or_id, **kwargs):
"""Update a volume.
:param name_or_id: Name or unique ID of the volume.
:param kwargs: Volume attributes to be updated.
:returns: The updated volume ``Volume`` object.
"""
kwargs = self._get_volume_kwargs(kwargs)
volume = self.get_volume(name_or_id)
if not volume:
raise exceptions.SDKException("Volume %s not found." % name_or_id)
volume = self.block_storage.update_volume(volume, **kwargs)
return volume
def set_volume_bootable(self, name_or_id, bootable=True):
"""Set a volume's bootable flag.
:param name_or_id: Name or unique ID of the volume.
:param bool bootable: Whether the volume should be bootable.
(Defaults to True)
:returns: None
:raises: :class:`~openstack.exceptions.ResourceTimeout` if wait time
exceeded.
:raises: :class:`~openstack.exceptions.SDKException` on operation
error.
"""
volume = self.get_volume(name_or_id)
if not volume:
raise exceptions.SDKException(
"Volume {name_or_id} does not exist".format(
name_or_id=name_or_id
)
)
self.block_storage.set_volume_bootable_status(volume, bootable)
def delete_volume(
self,
name_or_id=None,
wait=True,
timeout=None,
force=False,
):
"""Delete a volume.
:param name_or_id: Name or unique ID of the volume.
:param wait: If true, waits for volume to be deleted.
:param timeout: Seconds to wait for volume deletion. None is forever.
:param force: Force delete volume even if the volume is in deleting
or error_deleting state.
:returns: True if deletion was successful, else False.
:raises: :class:`~openstack.exceptions.ResourceTimeout` if wait time
exceeded.
:raises: :class:`~openstack.exceptions.SDKException` on operation
error.
"""
volume = self.block_storage.find_volume(
name_or_id, ignore_missing=True
)
if not volume:
self.log.debug(
"Volume %(name_or_id)s does not exist",
{'name_or_id': name_or_id},
exc_info=True,
)
return False
try:
self.block_storage.delete_volume(volume, force=force)
except exceptions.SDKException:
self.log.exception("error in deleting volume")
raise
if wait:
self.block_storage.wait_for_delete(volume, wait=timeout)
return True
def get_volumes(self, server, cache=None):
"""Get volumes for a server.
:param server: The server to fetch volumes for.
:param cache: **DEPRECATED** This parameter no longer does anything.
:returns: A list of volume ``Volume`` objects.
"""
if cache is not None:
warnings.warn(
"the 'cache' argument is deprecated and no longer does "
"anything; consider removing it from calls",
os_warnings.RemovedInSDK50Warning,
)
# avoid spamming warnings
cache = None
volumes = []
for volume in self.list_volumes(cache=cache):
for attach in volume['attachments']:
if attach['server_id'] == server['id']:
volumes.append(volume)
return volumes
def get_volume_limits(self, name_or_id=None):
"""Get volume limits for the current project
:param name_or_id: (optional) Project name or ID to get limits for
if different from the current project
:returns: The volume ``Limits`` object if found, else None.
"""
params = {}
if name_or_id:
project = self.identity.find_project(
name_or_id, ignore_missing=False
)
params['project'] = project
return self.block_storage.get_limits(**params)
def get_volume_id(self, name_or_id):
"""Get ID of a volume.
:param name_or_id: Name or unique ID of the volume.
:returns: The ID of the volume if found, else None.
"""
volume = self.get_volume(name_or_id)
if volume:
return volume['id']
return None
def volume_exists(self, name_or_id):
"""Check if a volume exists.
:param name_or_id: Name or unique ID of the volume.
:returns: True if the volume exists, else False.
"""
return self.get_volume(name_or_id) is not None
def get_volume_attach_device(self, volume, server_id):
"""Return the device name a volume is attached to for a server.
This can also be used to verify if a volume is attached to
a particular server.
:param volume: The volume to fetch the device name from.
:param server_id: ID of server to check.
:returns: Device name if attached, None if volume is not attached.
"""
for attach in volume['attachments']:
if server_id == attach['server_id']:
return attach['device']
return None
def detach_volume(self, server, volume, wait=True, timeout=None):
"""Detach a volume from a server.
:param server: The server dict to detach from.
:param volume: The volume dict to detach.
:param wait: If true, waits for volume to be detached.
:param timeout: Seconds to wait for volume detachment. None is forever.
:returns: None
:raises: :class:`~openstack.exceptions.ResourceTimeout` if wait time
exceeded.
:raises: :class:`~openstack.exceptions.SDKException` on operation
error.
"""
self.compute.delete_volume_attachment(
server=server['id'],
volume=volume['id'],
ignore_missing=False,
)
if wait:
vol = self.get_volume(volume['id'])
self.block_storage.wait_for_status(vol)
def attach_volume(
self,
server,
volume,
device=None,
wait=True,
timeout=None,
):
"""Attach a volume to a server.
This will attach a volume, described by the passed in volume
dict (as returned by get_volume()), to the server described by
the passed in server dict (as returned by get_server()) on the
named device on the server.
If the volume is already attached to the server, or generally not
available, then an exception is raised. To re-attach to a server,
but under a different device, the user must detach it first.
:param server: The server dict to attach to.
:param volume: The volume dict to attach.
:param device: The device name where the volume will attach.
:param wait: If true, waits for volume to be attached.
:param timeout: Seconds to wait for volume attachment. None is forever.
:returns: a volume attachment object.
:raises: :class:`~openstack.exceptions.ResourceTimeout` if wait time
exceeded.
:raises: :class:`~openstack.exceptions.SDKException` on operation
error.
"""
dev = self.get_volume_attach_device(volume, server['id'])
if dev:
raise exceptions.SDKException(
"Volume %s already attached to server %s on device %s"
% (volume['id'], server['id'], dev)
)
if volume['status'] != 'available':
raise exceptions.SDKException(
"Volume %s is not available. Status is '%s'"
% (volume['id'], volume['status'])
)
payload = {}
if device:
payload['device'] = device
attachment = self.compute.create_volume_attachment(
server=server['id'],
volume=volume['id'],
**payload,
)
if wait:
if not hasattr(volume, 'fetch'):
# If we got volume as dict we need to re-fetch it to be able to
# use wait_for_status.
volume = self.block_storage.get_volume(volume['id'])
self.block_storage.wait_for_status(volume, 'in-use', wait=timeout)
return attachment
def _get_volume_kwargs(self, kwargs):
name = kwargs.pop('name', kwargs.pop('display_name', None))
description = kwargs.pop(
'description', kwargs.pop('display_description', None)
)
if name:
kwargs['name'] = name
if description:
kwargs['description'] = description
return kwargs
@_utils.valid_kwargs(
'name', 'display_name', 'description', 'display_description'
)
def create_volume_snapshot(
self,
volume_id,
force=False,
wait=True,
timeout=None,
**kwargs,
):
"""Create a volume.
:param volume_id: the ID of the volume to snapshot.
:param force: If set to True the snapshot will be created even if the
volume is attached to an instance, if False it will not
:param name: name of the snapshot, one will be generated if one is
not provided
:param description: description of the snapshot, one will be generated
if one is not provided
:param wait: If true, waits for volume snapshot to be created.
:param timeout: Seconds to wait for volume snapshot creation. None is
forever.
:returns: The created volume ``Snapshot`` object.
:raises: :class:`~openstack.exceptions.ResourceTimeout` if wait time
exceeded.
:raises: :class:`~openstack.exceptions.SDKException` on operation
error.
"""
kwargs = self._get_volume_kwargs(kwargs)
payload = {'volume_id': volume_id, 'force': force}
payload.update(kwargs)
snapshot = self.block_storage.create_snapshot(**payload)
if wait:
snapshot = self.block_storage.wait_for_status(
snapshot, wait=timeout
)
return snapshot
def get_volume_snapshot_by_id(self, snapshot_id):
"""Takes a snapshot_id and gets a dict of the snapshot
that maches that ID.
Note: This is more efficient than get_volume_snapshot.
param: snapshot_id: ID of the volume snapshot.
:returns: A volume ``Snapshot`` object if found, else None.
"""
return self.block_storage.get_snapshot(snapshot_id)
# TODO(stephenfin): Remove 'filters' in a future major version
def get_volume_snapshot(self, name_or_id, filters=None):
"""Get a volume by name or ID.
:param name_or_id: Name or unique ID of the volume snapshot.
:param filters: **DEPRECATED** A dictionary of meta data to use for
further filtering. Elements of this dictionary may, themselves, be
dictionaries. Example::
{'last_name': 'Smith', 'other': {'gender': 'Female'}}
OR
A string containing a jmespath expression for further filtering.
Example::
"[?last_name==`Smith`] | [?other.gender]==`Female`]"
:returns: A volume ``Snapshot`` object if found, else None.
"""
return _utils._get_entity(self, 'volume_snapshot', name_or_id, filters)
def create_volume_backup(
self,
volume_id,
name=None,
description=None,
force=False,
wait=True,
timeout=None,
incremental=False,
snapshot_id=None,
):
"""Create a volume backup.
:param volume_id: the ID of the volume to backup.
:param name: name of the backup, one will be generated if one is
not provided
:param description: description of the backup, one will be generated
if one is not provided
:param force: If set to True the backup will be created even if the
volume is attached to an instance, if False it will not
:param wait: If true, waits for volume backup to be created.
:param timeout: Seconds to wait for volume backup creation. None is
forever.
:param incremental: If set to true, the backup will be incremental.
:param snapshot_id: The UUID of the source snapshot to back up.
:returns: The created volume ``Backup`` object.
:raises: :class:`~openstack.exceptions.ResourceTimeout` if wait time
exceeded.
:raises: :class:`~openstack.exceptions.SDKException` on operation
error.
"""
payload = {
'name': name,
'volume_id': volume_id,
'description': description,
'force': force,
'is_incremental': incremental,
'snapshot_id': snapshot_id,
}
backup = self.block_storage.create_backup(**payload)
if wait:
backup = self.block_storage.wait_for_status(backup, wait=timeout)
return backup
# TODO(stephenfin): Remove 'filters' in a future major version
def get_volume_backup(self, name_or_id, filters=None):
"""Get a volume backup by name or ID.
:param name_or_id: Name or unique ID of the volume backup.
:param filters: **DEPRECATED** A dictionary of meta data to use for
further filtering. Elements of this dictionary may, themselves, be
dictionaries. Example::
{'last_name': 'Smith', 'other': {'gender': 'Female'}}
OR
A string containing a jmespath expression for further filtering.
Example::
"[?last_name==`Smith`] | [?other.gender]==`Female`]"
:returns: A volume ``Backup`` object if found, else None.
"""
return _utils._get_entity(self, 'volume_backup', name_or_id, filters)
def list_volume_snapshots(self, detailed=True, filters=None):
"""List all volume snapshots.
:param detailed: Whether or not to add detailed additional information.
:param filters: A dictionary of meta data to use for further filtering.
Example::
{
'name': 'my-volume-snapshot',
'volume_id': 'e126044c-7b4c-43be-a32a-c9cbbc9ddb56',
'all_tenants': 1,
}
:returns: A list of volume ``Snapshot`` objects.
"""
if not filters:
filters = {}
return list(self.block_storage.snapshots(details=detailed, **filters))
def list_volume_backups(self, detailed=True, filters=None):
"""List all volume backups.
:param detailed: Whether or not to add detailed additional information.
:param filters: A dictionary of meta data to use for further filtering.
Example::
{
'name': 'my-volume-backup',
'status': 'available',
'volume_id': 'e126044c-7b4c-43be-a32a-c9cbbc9ddb56',
'all_tenants': 1,
}
:returns: A list of volume ``Backup`` objects.
"""
if not filters:
filters = {}
return list(self.block_storage.backups(details=detailed, **filters))
def delete_volume_backup(
self, name_or_id=None, force=False, wait=False, timeout=None
):
"""Delete a volume backup.
:param name_or_id: Name or unique ID of the volume backup.
:param force: Allow delete in state other than error or available.
:param wait: If true, waits for volume backup to be deleted.
:param timeout: Seconds to wait for volume backup deletion. None is
forever.
:returns: True if deletion was successful, else False.
:raises: :class:`~openstack.exceptions.ResourceTimeout` if wait time
exceeded.
:raises: :class:`~openstack.exceptions.SDKException` on operation
error.
"""
volume_backup = self.get_volume_backup(name_or_id)
if not volume_backup:
return False
self.block_storage.delete_backup(
volume_backup, ignore_missing=False, force=force
)
if wait:
self.block_storage.wait_for_delete(volume_backup, wait=timeout)
return True
def delete_volume_snapshot(
self,
name_or_id=None,
wait=False,
timeout=None,
):
"""Delete a volume snapshot.
:param name_or_id: Name or unique ID of the volume snapshot.
:param wait: If true, waits for volume snapshot to be deleted.
:param timeout: Seconds to wait for volume snapshot deletion. None is
forever.
:returns: True if deletion was successful, else False.
:raises: :class:`~openstack.exceptions.ResourceTimeout` if wait time
exceeded.
:raises: :class:`~openstack.exceptions.SDKException` on operation
error.
"""
volumesnapshot = self.get_volume_snapshot(name_or_id)
if not volumesnapshot:
return False
self.block_storage.delete_snapshot(
volumesnapshot, ignore_missing=False
)
if wait:
self.block_storage.wait_for_delete(volumesnapshot, wait=timeout)
return True
def search_volumes(self, name_or_id=None, filters=None):
"""Search for one or more volumes.
:param name_or_id: Name or unique ID of volume(s).
:param filters: **DEPRECATED** A dictionary of meta data to use for
further filtering. Elements of this dictionary may, themselves, be
dictionaries. Example::
{'last_name': 'Smith', 'other': {'gender': 'Female'}}
OR
A string containing a jmespath expression for further filtering.
Example::
"[?last_name==`Smith`] | [?other.gender]==`Female`]"
:returns: A list of volume ``Volume`` objects, if any are found.
"""
volumes = self.list_volumes()
return _utils._filter_list(volumes, name_or_id, filters)
def search_volume_snapshots(self, name_or_id=None, filters=None):
"""Search for one or more volume snapshots.
:param name_or_id: Name or unique ID of volume snapshot(s).
:param filters: **DEPRECATED** A dictionary of meta data to use for
further filtering. Elements of this dictionary may, themselves, be
dictionaries. Example::
{'last_name': 'Smith', 'other': {'gender': 'Female'}}
OR
A string containing a jmespath expression for further filtering.
Example::
"[?last_name==`Smith`] | [?other.gender]==`Female`]"
:returns: A list of volume ``Snapshot`` objects, if any are found.
"""
volumesnapshots = self.list_volume_snapshots()
return _utils._filter_list(volumesnapshots, name_or_id, filters)
def search_volume_backups(self, name_or_id=None, filters=None):
"""Search for one or more volume backups.
:param name_or_id: Name or unique ID of volume backup(s).
:param filters: **DEPRECATED** A dictionary of meta data to use for
further filtering. Elements of this dictionary may, themselves, be
dictionaries. Example::
{'last_name': 'Smith', 'other': {'gender': 'Female'}}
OR
A string containing a jmespath expression for further filtering.
Example::
"[?last_name==`Smith`] | [?other.gender]==`Female`]"
:returns: A list of volume ``Backup`` objects, if any are found.
"""
volume_backups = self.list_volume_backups()
return _utils._filter_list(volume_backups, name_or_id, filters)
def search_volume_types(
self,
name_or_id=None,
filters=None,
get_extra=None,
):
"""Search for one or more volume types.
:param name_or_id: Name or unique ID of volume type(s).
:param filters: **DEPRECATED** A dictionary of meta data to use for
further filtering. Elements of this dictionary may, themselves, be
dictionaries. Example::
{'last_name': 'Smith', 'other': {'gender': 'Female'}}
OR
A string containing a jmespath expression for further filtering.
Example::
"[?last_name==`Smith`] | [?other.gender]==`Female`]"
:returns: A list of volume ``Type`` objects, if any are found.
"""
if get_extra is not None:
warnings.warn(
"the 'get_extra' argument is deprecated and no longer does "
"anything; consider removing it from calls",
os_warnings.RemovedInSDK50Warning,
)
volume_types = self.list_volume_types()
return _utils._filter_list(volume_types, name_or_id, filters)
def get_volume_type_access(self, name_or_id):
"""Return a list of volume_type_access.
:param name_or_id: Name or unique ID of the volume type.
:returns: A volume ``Type`` object if found, else None.
:raises: :class:`~openstack.exceptions.SDKException` on operation
error.
"""
volume_type = self.get_volume_type(name_or_id)
if not volume_type:
raise exceptions.SDKException(
"VolumeType not found: %s" % name_or_id
)
return self.block_storage.get_type_access(volume_type)
def add_volume_type_access(self, name_or_id, project_id):
"""Grant access on a volume_type to a project.
NOTE: the call works even if the project does not exist.
:param name_or_id: ID or name of a volume_type
:param project_id: A project id
:returns: None
:raises: :class:`~openstack.exceptions.SDKException` on operation
error.
"""
volume_type = self.get_volume_type(name_or_id)
if not volume_type:
raise exceptions.SDKException(
"VolumeType not found: %s" % name_or_id
)
self.block_storage.add_type_access(volume_type, project_id)
def remove_volume_type_access(self, name_or_id, project_id):
"""Revoke access on a volume_type to a project.
:param name_or_id: ID or name of a volume_type
:param project_id: A project id
:returns: None
:raises: :class:`~openstack.exceptions.SDKException` on operation
error.
"""
volume_type = self.get_volume_type(name_or_id)
if not volume_type:
raise exceptions.SDKException(
"VolumeType not found: %s" % name_or_id
)
self.block_storage.remove_type_access(volume_type, project_id)
def set_volume_quotas(self, name_or_id, **kwargs):
"""Set a volume quota in a project
:param name_or_id: project name or id
:param kwargs: key/value pairs of quota name and quota value
:returns: None
:raises: :class:`~openstack.exceptions.SDKException` if the resource to
set the quota does not exist.
"""
project = self.identity.find_project(name_or_id, ignore_missing=False)
self.block_storage.update_quota_set(project=project, **kwargs)
def get_volume_quotas(self, name_or_id):
"""Get volume quotas for a project
:param name_or_id: project name or id
:returns: A volume ``QuotaSet`` object with the quotas
:raises: :class:`~openstack.exceptions.SDKException` if it's not a
valid project
"""
proj = self.identity.find_project(name_or_id, ignore_missing=False)
return self.block_storage.get_quota_set(proj)
def delete_volume_quotas(self, name_or_id):
"""Delete volume quotas for a project
:param name_or_id: project name or id
:returns: The deleted volume ``QuotaSet`` object.
:raises: :class:`~openstack.exceptions.SDKException` if it's not a
valid project or the call failed
"""
proj = self.identity.find_project(name_or_id, ignore_missing=False)
return self.block_storage.revert_quota_set(proj)