The cinder.volume.drivers.dell_emc.vnx.taskflows Module¶

class AddMirrorImageTask(name=None, provides=None, requires=None, auto_extract=True, rebind=None, inject=None, ignore_list=None, revert_rebind=None, revert_requires=None)¶

Bases: taskflow.task.Task

Add the secondary image to MirrorView.

Reversion strategy: Remove the secondary image.

execute(mirror, mirror_name, secondary_lun_id, *args, **kwargs)¶

revert(result, mirror, mirror_name, *args, **kwargs)¶

class AttachSnapTask(name=None, provides=None, requires=None, auto_extract=True, rebind=None, inject=None, ignore_list=None, revert_rebind=None, revert_requires=None)¶

Bases: taskflow.task.Task

Attaches the snapshot to the SMP created before.

Reversion strategy: Detach the SMP.

execute(client, smp_name, snap_name, *args, **kwargs)¶

revert(result, client, smp_name, *args, **kwargs)¶

class CopySnapshotTask(name=None, provides=None, requires=None, auto_extract=True, rebind=None, inject=None, ignore_list=None, revert_rebind=None, revert_requires=None)¶

Bases: taskflow.task.Task

Task to copy a volume snapshot/consistency group snapshot.

Reversion Strategy: Delete the copied snapshot/cgsnapshot

execute(client, snap_name, new_snap_name, *args, **kwargs)¶

revert(result, client, snap_name, new_snap_name, *args, **kwargs)¶

class CreateCGSnapshotTask(provides='new_cg_snap_name', *args, **kwargs)¶

Bases: taskflow.task.Task

Task to create a CG snapshot.

execute(client, cg_snap_name, cg_name, *args, **kwargs)¶

revert(client, cg_snap_name, cg_name, *args, **kwargs)¶

class CreateConsistencyGroupTask(lun_id_key_template, num_of_members, *args, **kwargs)¶

Bases: taskflow.task.Task

Task to create a consistency group.

execute(client, new_cg_name, *args, **kwargs)¶

class CreateLunTask(name=None, provides=('new_lun_id', 'new_lun_wwn'), inject=None)¶

Bases: taskflow.task.Task

Creates a new lun task.

Reversion strategy: Delete the lun.

execute(client, pool_name, lun_name, lun_size, provision, tier, ignore_thresholds=False, *args, **kwargs)¶

revert(result, client, lun_name, *args, **kwargs)¶

class CreateMirrorTask(name=None, provides=None, requires=None, auto_extract=True, rebind=None, inject=None, ignore_list=None, revert_rebind=None, revert_requires=None)¶

Bases: taskflow.task.Task

Creates a MirrorView with primary lun for replication.

Reversion strategy: Destroy the created MirrorView.

execute(mirror, mirror_name, primary_lun_id, *args, **kwargs)¶

revert(result, mirror, mirror_name, *args, **kwargs)¶

class CreateSMPTask(name=None, provides='smp_id', inject=None)¶

Bases: taskflow.task.Task

Creates a snap mount point (SMP) for the source snapshot.

Reversion strategy: Delete the SMP.

execute(client, smp_name, base_lun_name, *args, **kwargs)¶

revert(result, client, smp_name, *args, **kwargs)¶

class CreateSnapshotTask(name=None, provides=None, requires=None, auto_extract=True, rebind=None, inject=None, ignore_list=None, revert_rebind=None, revert_requires=None)¶

Bases: taskflow.task.Task

Creates a snapshot of a volume.

Reversion Strategy: Delete the created snapshot.

execute(client, snap_name, lun_id, keep_for=None, *args, **kwargs)¶

revert(result, client, snap_name, *args, **kwargs)¶

class ExtendSMPTask(name=None, provides=None, requires=None, auto_extract=True, rebind=None, inject=None, ignore_list=None, revert_rebind=None, revert_requires=None)¶

Bases: taskflow.task.Task

Extend the SMP if needed.

If the SMP is thin and the new size is larger than the old one, then extend it.

execute(client, smp_name, lun_size, *args, **kwargs)¶

class MigrateLunTask(name=None, provides=None, inject=None, rebind=None)¶

Bases: taskflow.task.Task

Starts a migration between two LUNs/SMPs.

Reversion strategy: Cleanup the migration session

execute(client, src_id, dst_id, async_migrate, *args, **kwargs)¶

revert(result, client, src_id, dst_id, *args, **kwargs)¶

class ModifySnapshotTask(name=None, provides=None, requires=None, auto_extract=True, rebind=None, inject=None, ignore_list=None, revert_rebind=None, revert_requires=None)¶

Bases: taskflow.task.Task

Task to modify a Snapshot to allow ReadWrite on it.

execute(client, snap_name, keep_for=None, *args, **kwargs)¶

revert(result, client, snap_name, *args, **kwargs)¶

class WaitMigrationsTask(src_id_template, dst_id_template, dst_wwn_template, num_of_members, *args, **kwargs)¶

Bases: taskflow.task.Task

Task to wait migrations to be completed.

execute(client, *args, **kwargs)¶

create_cg_from_cg_snapshot(client, cg_name, src_cg_name, cg_snap_name, src_cg_snap_name, pool_name, lun_sizes, lun_names, src_lun_names, specs_list, copy_snap=True)¶

create_cloned_cg(client, cg_name, src_cg_name, pool_name, lun_sizes, lun_names, src_lun_names, specs_list)¶

create_cloned_volume(client, snap_name, lun_id, lun_name, lun_size, base_lun_name, pool_name, provision, tier, async_migrate=False)¶

create_mirror_view(mirror_view, mirror_name, primary_lun_id, pool_name, lun_name, lun_size, provision, tier)¶

create_volume_from_snapshot(client, src_snap_name, lun_name, lun_size, base_lun_name, pool_name, provision, tier, new_snap_name=None)¶

fast_create_cloned_volume(client, snap_name, lun_id, lun_name, base_lun_name)¶

fast_create_volume_from_snapshot(client, snap_name, new_snap_name, lun_name, base_lun_name, pool_name)¶

run_migration_taskflow(client, lun_id, lun_name, lun_size, pool_name, provision, tier, rate=None)¶