本文整理汇总了Python中pycassa.system_manager.SystemManager.get_keyspace_properties方法的典型用法代码示例。如果您正苦于以下问题：Python SystemManager.get_keyspace_properties方法的具体用法？Python SystemManager.get_keyspace_properties怎么用？Python SystemManager.get_keyspace_properties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pycassa.system_manager.SystemManager的用法示例。
在下文中一共展示了SystemManager.get_keyspace_properties方法的2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: main
# 需要导入模块: from pycassa.system_manager import SystemManager [as 别名]
# 或者: from pycassa.system_manager.SystemManager import get_keyspace_properties [as 别名]
def main(argv):
usage = "Usage: dbdiscover.py"
args, kwargs = parse(argv)
host = kwargs.get('host', settings.DEFAULT_CASSANDRA_HOST)
port = kwargs.get('port', settings.DEFAULT_CASSANDRA_PORT)
try:
system = SystemManager("%s:%s" % (host, port))
ksprops = system.get_keyspace_properties("system").keys()
# header = ["keyspace"] + sorted(ksprops)
header = ["keyspace", "column_family"]
writer = csv.writer(output)
writer.writerow(header)
for keyspace in system.list_keyspaces():
ksinfo = system.get_keyspace_column_families(keyspace, use_dict_for_col_metadata=True)
attrs = [
"id",
"column_type",
"comment",
"comparator_type",
"default_validation_class",
"gc_grace_seconds",
"key_alias",
"key_cache_save_period_in_seconds",
"key_cache_size",
"key_validation_class",
"max_compaction_threshold",
"memtable_operations_in_millions",
"memtable_throughput_in_mb",
"memtable_flush_after_mins",
"merge_shards_chance",
"min_compaction_threshold",
"read_repair_chance",
"replicate_on_write",
"row_cache_provider",
"row_cache_save_period_in_seconds",
"row_cache_size",
"subcomparator_type",
]
for cfname, cfdef in ksinfo.iteritems():
ks = ("keyspace="+ keyspace)
cf = ("column_family="+ cfname)
row =(ks, cf)
writer.writerow(row)
return
except:
error(output, excinfo(), 2)示例2: CCli
# 需要导入模块: from pycassa.system_manager import SystemManager [as 别名]
# 或者: from pycassa.system_manager.SystemManager import get_keyspace_properties [as 别名]
#.........这里部分代码省略.........
pt.field_names = ['Keyspaces']
pt.align = 'l'
for ks in self.sm.list_keyspaces():
pt.add_row([ks])
print pt.get_string(sortby="Keyspaces")
@check_keyspace
def list_columnfamilies(self):
pt = PrettyTable()
pt.field_names = ['ColumnFamilies']
pt.align = 'l'
for cf in self.sm.get_keyspace_column_families(self.keyspace).keys():
pt.add_row([cf])
print pt.get_string(sortby="ColumnFamilies")
def complete_list(self, text, line, begidx, endidx):
return [x for x in ['keyspaces', 'columnfamilies'] if x.startswith(text)]
@check_connection
@parse(Keyword('keyspace') + Optional(keyspace, default=None) | Keyword('columnfamily') + columnfamily)
def do_describe(self, space, name):
return getattr(self, 'describe_%s' % space)(name)
def describe_keyspace(self, keyspace):
keyspace = keyspace or self.keyspace
if not keyspace:
return self.perror('Please, select working keyspace or define it as command parameter')
try:
options = self.sm.get_keyspace_properties(keyspace)
except NotFoundException:
return self.perror('Unknown keyspace %s' % keyspace)
pt = PrettyTable()
pt.field_names = ['Keyspace', keyspace]
pt.align["Keyspace"] = "l"
pt.align[keyspace] = 'r'
pt.add_row(['replication_strategy', options['replication_strategy']])
for k, v in options['strategy_options'].items():
pt.add_row([k, "\033[34m%s\033[0m" % v])
print pt.get_string(sortby='Keyspace')
@check_keyspace
def describe_columnfamily(self, columnfamily):
try:
options = self.sm.get_keyspace_column_families(self.keyspace, use_dict_for_col_metadata=True)[columnfamily]
except KeyError:
return self.perror('Unknown columnfamily %s' % columnfamily)
pt = PrettyTable()
pt.field_names = ['ColumnFamily', columnfamily]
pt.align["ColumnFamily"] = "l"
pt.align[columnfamily] = 'r'
for k, v in options.__dict__.items():
if k == 'column_metadata' and len(v):
continue
pt.add_row([k, v])
print pt.get_string(sortby='ColumnFamily')