def purge_unused_exports(task=None):
from dbaas_nfsaas.models import HostAttr
success = True
for export in HostAttr.objects.filter(is_active=False):
if export.snapshots():
continue
if task:
task.add_detail('Removing: {}'.format(export), level=2)
environment = export.host.instances.first().databaseinfra.environment
try:
delete_export(environment, export.nfsaas_path_host)
except Exception as e:
success = False
LOG.info('Error removing {} - {}'.format(export, e))
if task:
task.add_detail('Error: {}'.format(e), level=4)
else:
if task:
task.add_detail('Success', level=4)
export.delete()
return success
def purge_unused_exports():
from dbaas_nfsaas.models import HostAttr
databaseinfras = DatabaseInfra.objects.filter(
plan__provider=Plan.CLOUDSTACK).prefetch_related('instances')
for databaseinfra in databaseinfras:
instances = databaseinfra.get_driver().get_database_instances()
environment = databaseinfra.environment
for instance in instances:
exports = HostAttr.objects.filter(
host=instance.hostname, is_active=False
)
for export in exports:
snapshots = Snapshot.objects.filter(
export_path=export.nfsaas_path, purge_at=None
)
if snapshots:
continue
LOG.info(
'Export {} will be removed'.format(export.nfsaas_export_id)
)
delete_export(environment, export.nfsaas_path_host)
export.delete()
def undo(self, workflow_dict):
LOG.info("Running undo...")
try:
databaseinfra = workflow_dict['databaseinfra']
for host_and_export in workflow_dict['hosts_and_exports']:
disk = HostAttr.objects.get(
nfsaas_path=host_and_export['new_export_path'])
delete_export(environment=databaseinfra.environment,
export_path=disk.nfsaas_path_host)
disk.delete()
return True
except Exception:
traceback = full_stack()
workflow_dict['exceptions']['error_codes'].append(DBAAS_0021)
workflow_dict['exceptions']['traceback'].append(traceback)
return False