/usr/lib/python2.7/dist-packages/os_win/utils/jobutils.py is in python-os-win 0.4.1-2.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 | # Copyright 2015 Cloudbase Solutions Srl
#
# 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.
"""
Base Utility class for operations on Hyper-V.
"""
import time
from oslo_log import log as logging
from os_win._i18n import _
from os_win import _utils
from os_win import constants
from os_win import exceptions
from os_win.utils import baseutils
LOG = logging.getLogger(__name__)
class JobUtils(baseutils.BaseUtilsVirt):
_CONCRETE_JOB_CLASS = "Msvm_ConcreteJob"
_KILL_JOB_STATE_CHANGE_REQUEST = 5
_completed_job_states = [constants.JOB_STATE_COMPLETED,
constants.JOB_STATE_TERMINATED,
constants.JOB_STATE_KILLED,
constants.JOB_STATE_COMPLETED_WITH_WARNINGS]
def check_ret_val(self, ret_val, job_path, success_values=[0]):
if ret_val in [constants.WMI_JOB_STATUS_STARTED,
constants.WMI_JOB_STATE_RUNNING]:
return self._wait_for_job(job_path)
elif ret_val not in success_values:
raise exceptions.HyperVException(
_('Operation failed with return value: %s') % ret_val)
def _wait_for_job(self, job_path):
"""Poll WMI job state and wait for completion."""
job_wmi_path = job_path.replace('\\', '/')
job = self._get_wmi_obj(job_wmi_path)
while job.JobState == constants.WMI_JOB_STATE_RUNNING:
time.sleep(0.1)
job = self._get_wmi_obj(job_wmi_path)
if job.JobState == constants.JOB_STATE_KILLED:
LOG.debug("WMI job killed with status %s.", job.JobState)
return job
if job.JobState != constants.WMI_JOB_STATE_COMPLETED:
job_state = job.JobState
if job.path().Class == "Msvm_ConcreteJob":
err_sum_desc = job.ErrorSummaryDescription
err_desc = job.ErrorDescription
err_code = job.ErrorCode
data = {'job_state': job_state,
'err_sum_desc': err_sum_desc,
'err_desc': err_desc,
'err_code': err_code}
raise exceptions.HyperVException(
_("WMI job failed with status %(job_state)d. "
"Error details: %(err_sum_desc)s - %(err_desc)s - "
"Error code: %(err_code)d") % data)
else:
(error, ret_val) = job.GetError()
if not ret_val and error:
data = {'job_state': job_state,
'error': error}
raise exceptions.HyperVException(
_("WMI job failed with status %(job_state)d. "
"Error details: %(error)s") % data)
else:
raise exceptions.HyperVException(
_("WMI job failed with status %d. No error "
"description available") % job_state)
desc = job.Description
elap = job.ElapsedTime
LOG.debug("WMI job succeeded: %(desc)s, Elapsed=%(elap)s",
{'desc': desc, 'elap': elap})
return job
def stop_jobs(self, element):
element_jobs = []
jobs_affecting_element = self._conn.Msvm_AffectedJobElement(
AffectedElement=element.path_())
for job in jobs_affecting_element:
element_jobs.append(job.AffectingElement)
for job in element_jobs:
if job and job.Cancellable and not self._is_job_completed(job):
job.RequestStateChange(self._KILL_JOB_STATE_CHANGE_REQUEST)
return element_jobs
def _is_job_completed(self, job):
return job.JobState in self._completed_job_states
@_utils.retry_decorator(exceptions=exceptions.HyperVException)
def add_virt_resource(self, virt_resource, parent):
(job_path, new_resources,
ret_val) = self._vs_man_svc.AddResourceSettings(
parent.path_(), [virt_resource.GetText_(1)])
self.check_ret_val(ret_val, job_path)
return new_resources
# modify_virt_resource can fail, especially while setting up the VM's
# serial port connection. Retrying the operation will yield success.
@_utils.retry_decorator(exceptions=exceptions.HyperVException)
def modify_virt_resource(self, virt_resource):
(job_path, out_set_data,
ret_val) = self._vs_man_svc.ModifyResourceSettings(
ResourceSettings=[virt_resource.GetText_(1)])
self.check_ret_val(ret_val, job_path)
@_utils.retry_decorator(exceptions=exceptions.HyperVException)
def remove_virt_resource(self, virt_resource):
(job, ret_val) = self._vs_man_svc.RemoveResourceSettings(
ResourceSettings=[virt_resource.path_()])
self.check_ret_val(ret_val, job)
def add_virt_feature(self, virt_feature, parent):
self.add_multiple_virt_features([virt_feature], parent)
@_utils.retry_decorator(exceptions=exceptions.HyperVException)
def add_multiple_virt_features(self, virt_features, parent):
(job_path, out_set_data,
ret_val) = self._vs_man_svc.AddFeatureSettings(
parent.path_(), [f.GetText_(1) for f in virt_features])
self.check_ret_val(ret_val, job_path)
def remove_virt_feature(self, virt_feature):
self.remove_multiple_virt_features([virt_feature])
def remove_multiple_virt_features(self, virt_features):
(job_path, ret_val) = self._vs_man_svc.RemoveFeatureSettings(
FeatureSettings=[f.path_() for f in virt_features])
self.check_ret_val(ret_val, job_path)
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