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# Copyright 2017 IBM Corp.
#
# All Rights Reserved.
#
# 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.
from oslo_log import log as logging
import pypowervm.const as c
from pypowervm.wrappers import job
from pypowervm.wrappers.virtual_io_server import VIOS
LOG = logging.getLogger(__name__)
_JOB_NAME = "RBDExists"
def rbd_exists(adapter, vios_uuid, name):
"""Check if rbd exists on vios
:param adapter: pypowervm adapter
:param vios_uuid: The uuid of the VIOS (VIOS must be a Novalink VIOS type).
:param name: Name of the rbd volume (pool/image)
:return: The device name of the created volume.
"""
resp = adapter.read(VIOS.schema_type, vios_uuid,
suffix_type=c.SUFFIX_TYPE_DO, suffix_parm=(_JOB_NAME))
job_wrapper = job.Job.wrap(resp)
# Create job parameters
job_parms = [job_wrapper.create_job_parameter('name', name)]
job_wrapper.run_job(vios_uuid, job_parms=job_parms, timeout=120)
results = job_wrapper.get_job_results_as_dict()
return True if results.get('exists') == "true" else False
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