本文整理汇总了Python中cfgm_common.vnc_cassandra.VncCassandraClient.get_range方法的典型用法代码示例。如果您正苦于以下问题：Python VncCassandraClient.get_range方法的具体用法？Python VncCassandraClient.get_range怎么用？Python VncCassandraClient.get_range使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类cfgm_common.vnc_cassandra.VncCassandraClient的用法示例。
在下文中一共展示了VncCassandraClient.get_range方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: _issu_basic_function
# 需要导入模块: from cfgm_common.vnc_cassandra import VncCassandraClient [as 别名]
# 或者: from cfgm_common.vnc_cassandra.VncCassandraClient import get_range [as 别名]
class ICCassandraClient:
def _issu_basic_function(self, kspace, cfam, cols):
return dict(cols)
# end
def __init__(self, oldversion_server_list, newversion_server_list, odb_prefix, ndb_prefix, issu_info, logger):
self._oldversion_server_list = oldversion_server_list
self._newversion_server_list = newversion_server_list
self._odb_prefix = odb_prefix
self._ndb_prefix = ndb_prefix
self._issu_info = issu_info
self._logger = logger
self._ks_issu_func_info = {}
self._nkeyspaces = {}
self._okeyspaces = {}
self._logger("Issu contrail cassandra initialized...", level=SandeshLevel.SYS_INFO)
self.issu_prepare()
# end
def issu_prepare(self):
self._logger("Issu contrail cassandra prepare...", level=SandeshLevel.SYS_INFO)
for issu_func, ks, cflist in self._issu_info:
if issu_func is None:
issu_func = self._issu_basic_function
ks_issu_func_info = {ks: issu_func}
nks = {ks: cflist}
oks = {ks: cflist}
self._nkeyspaces.update(nks)
self._okeyspaces.update(oks)
self._ks_issu_func_info.update(ks_issu_func_info)
self._oldversion_handle = VncCassandraClient(
self._oldversion_server_list, self._odb_prefix, None, self._okeyspaces, self._logger
)
self._newversion_handle = VncCassandraClient(
self._newversion_server_list, self._ndb_prefix, self._nkeyspaces, None, self._logger
)
# end
def _fetch_issu_func(self, ks):
return self._ks_issu_func_info[ks]
# end
# Overwrite what is seen in the newer with the old version.
def _merge_overwrite(self, new, current):
updated = current
updated.update(new)
return updated
# end
# For now this function should be called for only config_db_uuid.
# If we separate out config_db_uuid keyspace from VncCassandraClient,
# then we don't need to pass keyspaces here.
def issu_merge_copy(self, keyspaces):
for ks, cflist in keyspaces.items():
self._logger("Issu contrail cassandra merge copy, keyspace: " + str(ks), level=SandeshLevel.SYS_INFO)
issu_funct = self._fetch_issu_func(ks)
for cf in cflist:
newList = []
newversion_result = self._newversion_handle.get_range(cf)
self._logger("Building New DB memory for columnfamily: " + str(cf), level=SandeshLevel.SYS_INFO)
new_db = dict(newversion_result)
oldversion_result = self._oldversion_handle.get_range(cf)
self._logger("Doing ISSU copy for columnfamily: " + str(cf), level=SandeshLevel.SYS_INFO)
for rows, columns in oldversion_result:
out = issu_funct(ks, cf, columns)
current = new_db.pop(rows, None)
if current is not None:
updated = self._merge_overwrite(out, dict(current))
x = self._newversion_handle.add(cf, rows, updated)
else:
updated = []
x = self._newversion_handle.add(cf, rows, out)
diff = set(updated) - set(out)
y = self._newversion_handle.get_cf(cf).remove(rows, diff)
self._logger(
"Pruning New DB if entires don't exist in old DB column " "family: " + str(cf),
level=SandeshLevel.SYS_INFO,
)
for item in new_db:
# TBD should be catch exception and fail ISSU
self._newversion_handle.delete(cf, item)
# end
# This is issu_copy function.
def issu_copy(self, keyspaces):
for ks, cflist in keyspaces.items():
issu_funct = self._fetch_issu_func(ks)
for cf in cflist:
self._logger(
#.........这里部分代码省略.........