190 lines
4.7 KiB
Python
190 lines
4.7 KiB
Python
# Copyright 2015 Cloudbase Solutions Srl
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Utility class for VM related operations on Hyper-V.
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"""
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import sys
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from os_win._i18n import _
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# Define WMI specific exceptions, so WMI won't have to be imported in any
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# module that expects those exceptions.
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if sys.platform == 'win32':
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import wmi
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x_wmi = wmi.x_wmi
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x_wmi_timed_out = wmi.x_wmi_timed_out
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else:
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class x_wmi(Exception):
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pass
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class x_wmi_timed_out(x_wmi):
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pass
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class OSWinException(Exception):
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msg_fmt = 'An exception has been encountered.'
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def __init__(self, message=None, **kwargs):
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self.kwargs = kwargs
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if not message:
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message = self.msg_fmt % kwargs
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self.message = message
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super(OSWinException, self).__init__(message)
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class NotFound(OSWinException):
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msg_fmt = _("Resource could not be found: %(resource)s")
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class HyperVException(OSWinException):
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pass
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# TODO(alexpilotti): Add a storage exception base class
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class VHDResizeException(HyperVException):
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msg_fmt = _("Exception encountered while resizing the VHD %(vhd_path)s."
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"Reason: %(reason)s")
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class HyperVAuthorizationException(HyperVException):
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msg_fmt = _("The Windows account running nova-compute on this Hyper-V "
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"host doesn't have the required permissions to perform "
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"Hyper-V related operations.")
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class HyperVVMNotFoundException(NotFound, HyperVException):
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msg_fmt = _("VM not found: %(vm_name)s")
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class HyperVPortNotFoundException(NotFound, HyperVException):
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msg_fmt = _("Switch port not found: %(port_name)s")
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class SMBException(OSWinException):
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pass
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class Win32Exception(OSWinException):
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msg_fmt = _("Executing Win32 API function %(func_name)s failed. "
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"Error code: %(error_code)s. "
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"Error message: %(error_message)s")
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def __init__(self, message=None, **kwargs):
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self.error_code = kwargs.get('error_code')
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super(Win32Exception, self).__init__(message=message, **kwargs)
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class VHDException(OSWinException):
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pass
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class VHDWin32APIException(VHDException, Win32Exception):
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pass
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class FCException(OSWinException):
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pass
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class FCWin32Exception(FCException, Win32Exception):
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pass
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class WMIException(OSWinException):
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def __init__(self, message=None, wmi_exc=None):
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if wmi_exc:
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try:
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wmi_exc_message = wmi_exc.com_error.excepinfo[2].strip()
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message = "%s WMI exception message: %s" % (message,
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wmi_exc_message)
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except AttributeError:
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pass
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except IndexError:
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pass
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super(WMIException, self).__init__(message)
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class WqlException(OSWinException):
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pass
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class ISCSITargetException(OSWinException):
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pass
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class ISCSITargetWMIException(ISCSITargetException, WMIException):
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pass
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class ISCSIInitiatorAPIException(Win32Exception):
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pass
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class ISCSILunNotAvailable(ISCSITargetException):
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msg_fmt = _("Could not find lun %(target_lun)s "
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"for iSCSI target %(target_iqn)s.")
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class Win32IOException(Win32Exception):
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pass
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class DiskNotFound(NotFound):
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pass
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class HyperVRemoteFXException(HyperVException):
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pass
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class HyperVClusterException(HyperVException):
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pass
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class DNSException(OSWinException):
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pass
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class DNSZoneNotFound(NotFound, DNSException):
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msg_fmt = _("DNS Zone not found: %(zone_name)s")
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class DNSZoneAlreadyExists(DNSException):
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msg_fmt = _("DNS Zone already exists: %(zone_name)s")
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class JobTerminateFailed(HyperVException):
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msg_fmt = _("Could not terminate the requested job(s).")
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class ClusterException(OSWinException):
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pass
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class ClusterWin32Exception(ClusterException, Win32Exception):
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pass
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class InvalidClusterGroupState(ClusterException):
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msg_fmt = _("The cluster group %(group_name)s is in an invalid state. "
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"Expected state %(expected_state)s. Expected owner node: "
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"%(expected_node)s. Current group state: %(group_state)s. "
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"Current owner node: %(owner_node)s.")
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