def _find_pool_info(self):
root = huawei_utils.parse_xml_file(self.xml_conf)
pool_name = root.findtext('LUN/StoragePool')
if not pool_name:
err_msg = _("Invalid resource pool: %s") % pool_name
LOG.error(err_msg)
raise exception.InvalidInput(err_msg)
url = self.url + "/storagepool"
result = self.call(url, None)
self._assert_rest_result(result, 'Query resource pool error')
poolinfo = {}
if "data" in result:
for item in result['data']:
if pool_name.strip() == item['NAME']:
poolinfo['ID'] = item['ID']
poolinfo['CAPACITY'] = item['USERFREECAPACITY']
poolinfo['TOTALCAPACITY'] = item['USERTOTALCAPACITY']
break
if not poolinfo:
msg = (_('Get pool info error, pool name is:%s') % pool_name)
LOG.error(msg)
raise exception.CinderException(msg)
return poolinfo
def _find_pool_info(self):
root = huawei_utils.parse_xml_file(self.xml_conf)
pool_name = root.findtext('LUN/StoragePool')
if not pool_name:
err_msg = _("Invalid resource pool: %s") % pool_name
LOG.error(err_msg)
raise exception.InvalidInput(err_msg)
url = self.url + "/storagepool"
result = self.call(url, None)
self._assert_rest_result(result, 'Query resource pool error')
poolinfo = {}
if "data" in result:
for item in result['data']:
if pool_name.strip() == item['NAME']:
poolinfo['ID'] = item['ID']
poolinfo['CAPACITY'] = item['USERFREECAPACITY']
poolinfo['TOTALCAPACITY'] = item['USERTOTALCAPACITY']
break
if not poolinfo:
msg = (_('Get pool info error, pool name is:%s') % pool_name)
LOG.error(msg)
raise exception.CinderException(msg)
return poolinfo
def _check_conf_file(self):
"""Check the config file, make sure the essential items are set."""
root = huawei_utils.parse_xml_file(self.xml_conf)
check_list = ['Storage/HVSURL', 'Storage/UserName',
'Storage/UserPassword']
for item in check_list:
if not huawei_utils.is_xml_item_exist(root, item):
err_msg = (_('_check_conf_file: Config file invalid. '
'%s must be set.') % item)
LOG.error(err_msg)
raise exception.InvalidInput(reason=err_msg)
# make sure storage pool is set
if not huawei_utils.is_xml_item_exist(root, 'LUN/StoragePool'):
err_msg = _('_check_conf_file: Config file invalid. '
'StoragePool must be set.')
LOG.error(err_msg)
raise exception.InvalidInput(reason=err_msg)
# make sure host os type valid
if huawei_utils.is_xml_item_exist(root, 'Host', 'OSType'):
os_list = huawei_utils.os_type.keys()
if not huawei_utils.is_xml_item_valid(root, 'Host', os_list,
'OSType'):
err_msg = (_('_check_conf_file: Config file invalid. '
'Host OSType invalid.\n'
'The valid values are: %(os_list)s')
% {'os_list': os_list})
LOG.error(err_msg)
raise exception.InvalidInput(reason=err_msg)
def _get_lun_conf_params(self):
"""Get parameters from config file for creating lun."""
# Default lun set information
lunsetinfo = {
"LUNType": "Thick",
"StripUnitSize": "64",
"WriteType": "1",
"MirrorSwitch": "1",
"PrefetchType": "3",
"PrefetchValue": "0",
"PrefetchTimes": "0",
}
root = huawei_utils.parse_xml_file(self.xml_conf)
luntype = root.findtext("LUN/LUNType")
if luntype:
if luntype.strip() in ["Thick", "Thin"]:
lunsetinfo["LUNType"] = luntype.strip()
if luntype.strip() == "Thick":
lunsetinfo["LUNType"] = 0
if luntype.strip() == "Thin":
lunsetinfo["LUNType"] = 1
elif luntype is not "" and luntype is not None:
err_msg = _('Config file is wrong. LUNType must be "Thin"' ' or "Thick". LUNType:%(fetchtype)s') % {
"fetchtype": luntype
}
LOG.error(err_msg)
raise exception.VolumeBackendAPIException(data=err_msg)
stripunitsize = root.findtext("LUN/StripUnitSize")
if stripunitsize is not None:
lunsetinfo["StripUnitSize"] = stripunitsize.strip()
writetype = root.findtext("LUN/WriteType")
if writetype is not None:
lunsetinfo["WriteType"] = writetype.strip()
mirrorswitch = root.findtext("LUN/MirrorSwitch")
if mirrorswitch is not None:
lunsetinfo["MirrorSwitch"] = mirrorswitch.strip()
prefetch = root.find("LUN/Prefetch")
fetchtype = prefetch.attrib["Type"]
if prefetch is not None and prefetch.attrib["Type"]:
if fetchtype in ["0", "1", "2", "3"]:
lunsetinfo["PrefetchType"] = fetchtype.strip()
typevalue = prefetch.attrib["Value"].strip()
if lunsetinfo["PrefetchType"] == "1":
lunsetinfo["PrefetchValue"] = typevalue
elif lunsetinfo["PrefetchType"] == "2":
lunsetinfo["PrefetchValue"] = typevalue
else:
err_msg = _(
"PrefetchType config is wrong. PrefetchType" " must in 1,2,3,4. fetchtype is:%(fetchtype)s"
) % {"fetchtype": fetchtype}
LOG.error(err_msg)
raise exception.CinderException(err_msg)
else:
LOG.debug(_("Use default prefetch fetchtype. " "Prefetch fetchtype:Intelligent."))
return lunsetinfo
def _find_pool_info(self):
root = huawei_utils.parse_xml_file(self.xml_conf)
pool_name = root.findtext("LUN/StoragePool")
if not pool_name:
err_msg = _("Invalid resource pool: %s") % pool_name
LOG.error(err_msg)
raise exception.InvalidInput(err_msg)
url = self.url + "/storagepool"
result = self.call(url, None)
self._assert_rest_result(result, "Query resource pool error")
poolinfo = {}
if "data" in result:
for item in result["data"]:
if pool_name.strip() == item["NAME"]:
poolinfo["ID"] = item["ID"]
poolinfo["CAPACITY"] = item["USERFREECAPACITY"]
poolinfo["TOTALCAPACITY"] = item["USERTOTALCAPACITY"]
break
if not poolinfo:
msg = _("Get pool info error, pool name is:%s") % pool_name
LOG.error(msg)
raise exception.CinderException(msg)
return poolinfo
def _check_conf_file(self):
"""Check the config file, make sure the essential items are set."""
root = huawei_utils.parse_xml_file(self.xml_conf)
check_list = ["Storage/HVSURL", "Storage/UserName", "Storage/UserPassword"]
for item in check_list:
if not huawei_utils.is_xml_item_exist(root, item):
err_msg = _("_check_conf_file: Config file invalid. " "%s must be set.") % item
LOG.error(err_msg)
raise exception.InvalidInput(reason=err_msg)
# make sure storage pool is set
if not huawei_utils.is_xml_item_exist(root, "LUN/StoragePool"):
err_msg = _("_check_conf_file: Config file invalid. " "StoragePool must be set.")
LOG.error(err_msg)
raise exception.InvalidInput(reason=err_msg)
# make sure host os type valid
if huawei_utils.is_xml_item_exist(root, "Host", "OSType"):
os_list = huawei_utils.os_type.keys()
if not huawei_utils.is_xml_item_valid(root, "Host", os_list, "OSType"):
err_msg = _(
"_check_conf_file: Config file invalid. "
"Host OSType invalid.\n"
"The valid values are: %(os_list)s"
) % {"os_list": os_list}
LOG.error(err_msg)
raise exception.InvalidInput(reason=err_msg)
def _check_conf_file(self):
"""Check the config file, make sure the essential items are set."""
root = huawei_utils.parse_xml_file(self.xml_conf)
check_list = [
'Storage/HVSURL', 'Storage/UserName', 'Storage/UserPassword'
]
for item in check_list:
if not huawei_utils.is_xml_item_exist(root, item):
err_msg = (_('_check_conf_file: Config file invalid. '
'%s must be set.') % item)
LOG.error(err_msg)
raise exception.InvalidInput(reason=err_msg)
# make sure storage pool is set
if not huawei_utils.is_xml_item_exist(root, 'LUN/StoragePool'):
err_msg = _('_check_conf_file: Config file invalid. '
'StoragePool must be set.')
LOG.error(err_msg)
raise exception.InvalidInput(reason=err_msg)
# make sure host os type valid
if huawei_utils.is_xml_item_exist(root, 'Host', 'OSType'):
os_list = huawei_utils.os_type.keys()
if not huawei_utils.is_xml_item_valid(root, 'Host', os_list,
'OSType'):
err_msg = (_('_check_conf_file: Config file invalid. '
'Host OSType invalid.\n'
'The valid values are: %(os_list)s') % {
'os_list': os_list
})
LOG.error(err_msg)
raise exception.InvalidInput(reason=err_msg)
def _get_iscsi_conf(self, filename):
"""Get iSCSI info from config file.
This function returns a dict:
{'DefaultTargetIP': '11.11.11.11',
'Initiator': [{'Name': 'iqn.xxxxxx.1', 'TargetIP': '11.11.11.12'},
{'Name': 'iqn.xxxxxx.2', 'TargetIP': '11.11.11.13'}
]
}
"""
iscsiinfo = {}
root = huawei_utils.parse_xml_file(filename)
default_ip = root.findtext('iSCSI/DefaultTargetIP')
if default_ip:
iscsiinfo['DefaultTargetIP'] = default_ip.strip()
else:
iscsiinfo['DefaultTargetIP'] = None
initiator_list = []
tmp_dic = {}
for dic in root.findall('iSCSI/Initiator'):
# Strip the values of dict.
for k, v in dic.items():
tmp_dic[k] = v.strip()
initiator_list.append(tmp_dic)
iscsiinfo['Initiator'] = initiator_list
return iscsiinfo
def _get_lun_conf_params(self):
"""Get parameters from config file for creating lun."""
# Default lun set information
lunsetinfo = {'LUNType': 'Thick',
'StripUnitSize': '64',
'WriteType': '1',
'MirrorSwitch': '1',
'PrefetchType': '3',
'PrefetchValue': '0',
'PrefetchTimes': '0'}
root = huawei_utils.parse_xml_file(self.xml_conf)
luntype = root.findtext('LUN/LUNType')
if luntype:
if luntype.strip() in ['Thick', 'Thin']:
lunsetinfo['LUNType'] = luntype.strip()
if luntype.strip() == 'Thick':
lunsetinfo['LUNType'] = 0
if luntype.strip() == 'Thin':
lunsetinfo['LUNType'] = 1
elif luntype is not '' and luntype is not None:
err_msg = (_('Config file is wrong. LUNType must be "Thin"'
' or "Thick". LUNType:%(fetchtype)s')
% {'fetchtype': luntype})
LOG.error(err_msg)
raise exception.VolumeBackendAPIException(data=err_msg)
stripunitsize = root.findtext('LUN/StripUnitSize')
if stripunitsize is not None:
lunsetinfo['StripUnitSize'] = stripunitsize.strip()
writetype = root.findtext('LUN/WriteType')
if writetype is not None:
lunsetinfo['WriteType'] = writetype.strip()
mirrorswitch = root.findtext('LUN/MirrorSwitch')
if mirrorswitch is not None:
lunsetinfo['MirrorSwitch'] = mirrorswitch.strip()
prefetch = root.find('LUN/Prefetch')
fetchtype = prefetch.attrib['Type']
if prefetch is not None and prefetch.attrib['Type']:
if fetchtype in ['0', '1', '2', '3']:
lunsetinfo['PrefetchType'] = fetchtype.strip()
typevalue = prefetch.attrib['Value'].strip()
if lunsetinfo['PrefetchType'] == '1':
lunsetinfo['PrefetchValue'] = typevalue
elif lunsetinfo['PrefetchType'] == '2':
lunsetinfo['PrefetchValue'] = typevalue
else:
err_msg = (_('PrefetchType config is wrong. PrefetchType'
' must in 1,2,3,4. fetchtype is:%(fetchtype)s')
% {'fetchtype': fetchtype})
LOG.error(err_msg)
raise exception.CinderException(err_msg)
else:
LOG.debug('Use default prefetch fetchtype. '
'Prefetch fetchtype:Intelligent.')
return lunsetinfo
def _get_lun_conf_params(self):
"""Get parameters from config file for creating lun."""
# Default lun set information
lunsetinfo = {'LUNType': 'Thick',
'StripUnitSize': '64',
'WriteType': '1',
'MirrorSwitch': '1',
'PrefetchType': '3',
'PrefetchValue': '0',
'PrefetchTimes': '0'}
root = huawei_utils.parse_xml_file(self.xml_conf)
luntype = root.findtext('LUN/LUNType')
if luntype:
if luntype.strip() in ['Thick', 'Thin']:
lunsetinfo['LUNType'] = luntype.strip()
if luntype.strip() == 'Thick':
lunsetinfo['LUNType'] = 0
if luntype.strip() == 'Thin':
lunsetinfo['LUNType'] = 1
elif luntype is not '' and luntype is not None:
err_msg = (_('Config file is wrong. LUNType must be "Thin"'
' or "Thick". LUNType:%(fetchtype)s')
% {'fetchtype': luntype})
LOG.error(err_msg)
raise exception.VolumeBackendAPIException(data=err_msg)
stripunitsize = root.findtext('LUN/StripUnitSize')
if stripunitsize is not None:
lunsetinfo['StripUnitSize'] = stripunitsize.strip()
writetype = root.findtext('LUN/WriteType')
if writetype is not None:
lunsetinfo['WriteType'] = writetype.strip()
mirrorswitch = root.findtext('LUN/MirrorSwitch')
if mirrorswitch is not None:
lunsetinfo['MirrorSwitch'] = mirrorswitch.strip()
prefetch = root.find('LUN/Prefetch')
fetchtype = prefetch.attrib['Type']
if prefetch is not None and prefetch.attrib['Type']:
if fetchtype in ['0', '1', '2', '3']:
lunsetinfo['PrefetchType'] = fetchtype.strip()
typevalue = prefetch.attrib['Value'].strip()
if lunsetinfo['PrefetchType'] == '1':
lunsetinfo['PrefetchValue'] = typevalue
elif lunsetinfo['PrefetchType'] == '2':
lunsetinfo['PrefetchValue'] = typevalue
else:
err_msg = (_('PrefetchType config is wrong. PrefetchType'
' must in 1,2,3,4. fetchtype is:%(fetchtype)s')
% {'fetchtype': fetchtype})
LOG.error(err_msg)
raise exception.CinderException(err_msg)
else:
LOG.debug('Use default prefetch fetchtype. '
'Prefetch fetchtype:Intelligent.')
return lunsetinfo
def _get_conf_info(self, filename):
"""Get product type and connection protocol from config file."""
root = huawei_utils.parse_xml_file(filename)
product = root.findtext('Storage/Product').strip()
protocol = root.findtext('Storage/Protocol').strip()
if (product in self._product.keys() and
protocol in self._protocol.keys()):
return (product, protocol)
else:
msg = (_('"Product" or "Protocol" is illegal. "Product" should be '
'set to 18000. "Protocol" should be set to either iSCSI '
'or FC. Product: %(product)s Protocol: %(protocol)s')
% {'product': six.text_type(product),
'protocol': six.text_type(protocol)})
raise exception.InvalidInput(reason=msg)
def _get_iscsi_conf(self):
"""Get iSCSI info from config file."""
iscsiinfo = {}
root = huawei_utils.parse_xml_file(self.xml_conf)
iscsiinfo["DefaultTargetIP"] = root.findtext("iSCSI/DefaultTargetIP").strip()
initiator_list = []
tmp_dic = {}
for dic in root.findall("iSCSI/Initiator"):
# Strip values of dic
for k, v in dic.items():
tmp_dic[k] = v.strip()
initiator_list.append(tmp_dic)
iscsiinfo["Initiator"] = initiator_list
return iscsiinfo
def _get_conf_info(self, filename):
"""Get product type and connection protocol from config file."""
root = huawei_utils.parse_xml_file(filename)
product = root.findtext('Storage/Product').strip()
protocol = root.findtext('Storage/Protocol').strip()
if (product in self._product.keys() and
protocol in self._protocol.keys()):
return (product, protocol)
else:
msg = (_('Wrong product or protocol. Product should '
'be set to either T, Dorado, 18000, TV2 or V3. '
'Protocol should be set to either iSCSI or FC. '
'Product: %(product)s Protocol: %(protocol)s')
% {'product': six.text_type(product),
'protocol': six.text_type(protocol)})
raise exception.InvalidInput(reason=msg)
def _get_conf_info(self, filename):
"""Get product type and connection protocol from config file."""
root = huawei_utils.parse_xml_file(filename)
product = root.findtext('Storage/Product').strip()
protocol = root.findtext('Storage/Protocol').strip()
if (product in self._product.keys() and
protocol in self._protocol.keys()):
return (product, protocol)
else:
msg = (_('"Product" or "Protocol" is illegal. "Product" should '
'be set to either T, Dorado or HVS. "Protocol" should '
'be set to either iSCSI or FC. Product: %(product)s '
'Protocol: %(protocol)s')
% {'product': product,
'protocol': protocol})
raise exception.InvalidInput(reason=msg)
def _get_iscsi_conf(self):
"""Get iSCSI info from config file."""
iscsiinfo = {}
root = huawei_utils.parse_xml_file(self.xml_conf)
iscsiinfo['DefaultTargetIP'] = \
root.findtext('iSCSI/DefaultTargetIP').strip()
initiator_list = []
tmp_dic = {}
for dic in root.findall('iSCSI/Initiator'):
# Strip values of dic
for k, v in dic.items():
tmp_dic[k] = v.strip()
initiator_list.append(tmp_dic)
iscsiinfo['Initiator'] = initiator_list
return iscsiinfo
def _get_conf_info(self, filename):
"""Get product type and connection protocol from config file."""
root = huawei_utils.parse_xml_file(filename)
product = root.findtext('Storage/Product').strip()
protocol = root.findtext('Storage/Protocol').strip()
if (product in self._product.keys()
and protocol in self._protocol.keys()):
return (product, protocol)
else:
msg = (_('Wrong product or protocol. Product should '
'be set to either T, Dorado, 18000, TV2 or V3. '
'Protocol should be set to either iSCSI or FC. '
'Product: %(product)s Protocol: %(protocol)s') % {
'product': six.text_type(product),
'protocol': six.text_type(protocol)
})
raise exception.InvalidInput(reason=msg)
def update_volume_stats(self):
root = huawei_utils.parse_xml_file(self.xml_file_path)
pool_name = root.findtext('Storage/StoragePool')
if not pool_name:
msg = (_(
'Invalid resource pool name. '
'Please check the config file.'))
LOG.error(msg)
raise exception.InvalidInput(msg)
data = {}
capacity = self._get_capacity()
data["pools"] = []
pool = {}
pool.update(dict(
pool_name=pool_name,
total_capacity_gb=capacity['total_capacity'],
free_capacity_gb=capacity['free_capacity'],
reserved_percentage=0,
QoS_support=True,
))
data["pools"].append(pool)
return data