nova-dpm/nova_dpm/virt/dpm/utils.py

70 lines
2.3 KiB
Python

# Copyright 2016 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.
import nova_dpm.conf
from zhmcclient import HTTPError
from nova_dpm.virt.dpm import exceptions
from oslo_log import log as logging
LOG = logging.getLogger(__name__)
CONF = nova_dpm.conf.CONF
CPC_UP_STATUS = ("active", "service-required", "degraded", "exceptions")
def validate_host_conf(cpc):
LOG.debug('validate_host_conf')
if not cpc.dpm_enabled:
raise exceptions.CpcDpmModeNotEnabledException(
cpc_name=cpc.get_property('name'))
try:
if cpc.get_property('status') not in CPC_UP_STATUS:
raise exceptions.CpcDownError()
except HTTPError as http_error:
if http_error.http_status == 409:
raise exceptions.CpcDownError()
else:
raise http_error
if (CONF.dpm.max_processors > cpc.get_property('processor-count-ifl')):
raise exceptions.MaxProcessorExceededError(
config_proc=CONF.dpm.max_processors,
cpcsubset_name=CONF.host,
max_proc=cpc.get_property('processor-count-ifl'),
cpcid=CONF.dpm.cpc_object_id,
cpcname=cpc.get_property('name'))
if (CONF.dpm.max_memory > cpc.get_property('storage-customer')):
raise exceptions.MaxMemoryExceededError(
config_mem=CONF.dpm.max_memory,
cpcsubset_name=CONF.host,
max_mem=cpc.get_property('storage-customer'),
cpcid=CONF.dpm.cpc_object_id,
cpcname=cpc.get_property('name'))
class PartitionState(object):
COMMUNICATION_NOT_ACTIVE = 'communications-not-active'
DEGRADED = 'degraded'
PAUSED = 'paused'
RESERVATION_ERROR = 'reservation-error'
RUNNING = 'active'
SHUTTING_DOWN = 'stopping'
STARTING = 'starting'
STOPPED = 'stopped'
TERMINATED = 'terminated"'
UNKNOWN = 'status-check'