def _set_qos_specs_to_volume(self, connection_info):
"""
:param connection_info
:return:
"""
qos_para = {'maxReadBytes': 0,
'maxWriteBytes': 0,
'maxReadRequest': 0,
'maxWriteRequest': 0}
key_cvt_map = {'read_bytes_sec': 'maxReadBytes',
'write_bytes_sec': 'maxWriteBytes',
'read_iops_sec': 'maxReadRequest',
'write_iops_sec': 'maxWriteRequest'}
tune_opts = ['read_bytes_sec', 'write_bytes_sec',
'read_iops_sec', 'write_iops_sec']
tune_cvt_opts = ['read_bytes_sec', 'write_bytes_sec']
# Extract rate_limit control parameters
if connection_info is None or 'data' not in connection_info:
return
specs = connection_info['data']['qos_specs']
vol_urn = connection_info.get('vol_urn')
if vol_urn is None:
return
# because the volume can be detached and attach to another instance
# qos maybe disassociated from volume type
# between the up two operations
# so if specs is none,set default value to FC.
if specs is not None:
if isinstance(specs, dict):
for key, value in specs.iteritems():
if key in tune_opts:
# convert byte to KB for FC,0 is no limited,
# the value is at least 1
output_value = value
if key in tune_cvt_opts:
addition = 0
if output_value.isdigit():
if long(value) % 1024 != 0:
addition = 1
output_value = long(value) / 1024 \
+ addition
qos_para[key_cvt_map[key]] = output_value
else:
LOG.debug(_('Unknown content in connection_info '
'qos_specs: %s'), specs)
return
qos_specs_uri = utils.generate_uri_from_urn(vol_urn) \
+ constant.VOL_URI_MAP['modio']
# Send Qos IO Specs to VRM with put method
self.put(qos_specs_uri, data=qos_para,
excp=fc_exc.SetQosIoFailure)
def get_cluster_detail_by_nodename(self, nodename):
"""get cluster by node name"""
cluster_urn = self.get_cluster_urn_by_nodename(nodename)
return self.get(utils.generate_uri_from_urn(cluster_urn))
def get_cluster_detail_by_nodename(self, nodename):
"""get cluster by node name"""
cluster_urn = self.get_cluster_urn_by_nodename(nodename)
return self.get(utils.generate_uri_from_urn(cluster_urn))