本文整理汇总了Python中pycassa.system_manager.SystemManager.close方法的典型用法代码示例。如果您正苦于以下问题:Python SystemManager.close方法的具体用法?Python SystemManager.close怎么用?Python SystemManager.close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.close方法的15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: get_connection
# 需要导入模块: from pycassa.system_manager import SystemManager [as 别名]
# 或者: from pycassa.system_manager.SystemManager import close [as 别名]
def get_connection():
"""
Creates a connection to Cassandra.
Returs:
pool
"""
cassandra_host = os.environ.get('CASSANDRA_HOST', 'localhost')
sys_mgr = SystemManager()
try:
sys_mgr.describe_ring(KEYSPACE)
except:
sys_mgr.create_keyspace(KEYSPACE, SIMPLE_STRATEGY, {'replication_factor': '1'})
pool = ConnectionPool(KEYSPACE, server_list=[cassandra_host])
for cf_name in [CF_LOGS, CF_LOGS_BY_APP, CF_LOGS_BY_HOST, CF_LOGS_BY_SEVERITY]:
try:
cf = ColumnFamily(pool, cf_name)
except:
sys_mgr.create_column_family(KEYSPACE, cf_name, comparator_type=TimeUUIDType())
cf = ColumnFamily(pool, cf_name)
cf.get_count(str(uuid.uuid4()))
sys_mgr.close()
return pool
示例2: CreateCF
# 需要导入模块: from pycassa.system_manager import SystemManager [as 别名]
# 或者: from pycassa.system_manager.SystemManager import close [as 别名]
def CreateCF(connStr, keySpace, cfs, columesTypeList = None):
sysmgt = SystemManager(connStr)
list = sysmgt.list_keyspaces()
if keySpace in list:
#print('pyagent is existed')
pass
else:
sysmgt.create_keyspace(keySpace, SIMPLE_STRATEGY, {'replication_factor': '3'})
cfDict = sysmgt.get_keyspace_column_families(keySpace)
allCF = cfDict.keys()
for i in range(len(cfs)):
columnFamily = cfs[i]
#print(columnFamily)
if columesTypeList != None:
columes = columesTypeList[i]
else:
columes = None
if columnFamily in allCF:
#print(columnFamily + ' is existed')
pass
else:
#print(columnFamily + ' is creating')
sysmgt.create_column_family(keySpace, columnFamily, super=False,
comparator_type=UTF8_TYPE,
key_validation_class=ASCII_TYPE,
default_validation_class=UTF8_TYPE,
column_validation_classes=columes,
gc_grace_seconds=1000)
sysmgt.close()
示例3: setup_class
# 需要导入模块: from pycassa.system_manager import SystemManager [as 别名]
# 或者: from pycassa.system_manager.SystemManager import close [as 别名]
def setup_class(cls):
sys = SystemManager()
sys.create_column_family(TEST_KS, 'StdLong', comparator_type=LongType())
sys.create_column_family(TEST_KS, 'StdInteger', comparator_type=IntegerType())
sys.create_column_family(TEST_KS, 'StdBigInteger', comparator_type=IntegerType())
sys.create_column_family(TEST_KS, 'StdDecimal', comparator_type=DecimalType())
sys.create_column_family(TEST_KS, 'StdTimeUUID', comparator_type=TimeUUIDType())
sys.create_column_family(TEST_KS, 'StdLexicalUUID', comparator_type=LexicalUUIDType())
sys.create_column_family(TEST_KS, 'StdAscii', comparator_type=AsciiType())
sys.create_column_family(TEST_KS, 'StdUTF8', comparator_type=UTF8Type())
sys.create_column_family(TEST_KS, 'StdBytes', comparator_type=BytesType())
sys.create_column_family(TEST_KS, 'StdComposite',
comparator_type=CompositeType(LongType(), BytesType()))
sys.close()
cls.cf_long = ColumnFamily(pool, 'StdLong')
cls.cf_int = ColumnFamily(pool, 'StdInteger')
cls.cf_big_int = ColumnFamily(pool, 'StdBigInteger')
cls.cf_decimal = ColumnFamily(pool, 'StdDecimal')
cls.cf_time = ColumnFamily(pool, 'StdTimeUUID')
cls.cf_lex = ColumnFamily(pool, 'StdLexicalUUID')
cls.cf_ascii = ColumnFamily(pool, 'StdAscii')
cls.cf_utf8 = ColumnFamily(pool, 'StdUTF8')
cls.cf_bytes = ColumnFamily(pool, 'StdBytes')
cls.cf_composite = ColumnFamily(pool, 'StdComposite')
cls.cfs = [cls.cf_long, cls.cf_int, cls.cf_time, cls.cf_lex,
cls.cf_ascii, cls.cf_utf8, cls.cf_bytes,
cls.cf_composite]
示例4: _create_cf
# 需要导入模块: from pycassa.system_manager import SystemManager [as 别名]
# 或者: from pycassa.system_manager.SystemManager import close [as 别名]
def _create_cf(self, cf_name):
sys_mng = SystemManager('localhost:9160')
validators = {'name': UTF8_TYPE, 'content': UTF8_TYPE, 'post_time': UTF8_TYPE}
sys_mng.create_column_family(
'bbs',
cf_name,
super=False,
comparator_type=UTF8_TYPE,
key_validation_class=UTF8_TYPE,
column_validation_classes=validators
)
sys_mng.close()
示例5: handle
# 需要导入模块: from pycassa.system_manager import SystemManager [as 别名]
# 或者: from pycassa.system_manager.SystemManager import close [as 别名]
def handle(self, **options):
"""
:param options:
"""
sys = SystemManager(server=CASSANDRA_HOSTS[0])
sys.create_column_family(CASSANDRA_SESSIONS_KEYSPACE, CASSANDRA_SESSIONS_COLUMN_FAMILY,
key_validation_class=types.UTF8Type(),
column_validation_classes={
'session_data': types.UTF8Type()
})
sys.close()
示例6: test_big_batched_writes
# 需要导入模块: from pycassa.system_manager import SystemManager [as 别名]
# 或者: from pycassa.system_manager.SystemManager import close [as 别名]
def test_big_batched_writes():
## this is an m1.xlarge doing nothing but supporting this test
server = 'localhost:9160'
keyspace = 'testkeyspace_' + getpass.getuser().replace('-', '_')
family = 'testcf'
sm = SystemManager(server)
try:
sm.drop_keyspace(keyspace)
except pycassa.InvalidRequestException:
pass
sm.create_keyspace(keyspace, SIMPLE_STRATEGY, {'replication_factor': '1'})
sm.create_column_family(keyspace, family, super=False,
key_validation_class = LEXICAL_UUID_TYPE,
default_validation_class = LEXICAL_UUID_TYPE,
column_name_class = ASCII_TYPE)
sm.alter_column(keyspace, family, 'test', ASCII_TYPE)
sm.close()
pool = ConnectionPool(keyspace, [server], max_retries=10, pool_timeout=0, pool_size=10, timeout=120)
pool.fill()
pool.add_listener( Listener() )
## assert that we are using framed transport
conn = pool._q.get()
assert isinstance(conn.transport, thrift.transport.TTransport.TFramedTransport)
pool._q.put(conn)
try:
for num_rows in range(14, 20):
## write some data to cassandra using increasing data sizes
one_mb = ' ' * 2**20
rows = []
for i in xrange(num_rows):
key = uuid.uuid4()
rows.append((key, dict(test=one_mb)))
testcf = pycassa.ColumnFamily(pool, family)
with testcf.batch() as batch:
for (key, data_dict) in rows:
data_size = len(data_dict.values()[0])
logger.critical('adding %r with %.6f MB' % (key, float(data_size)/2**20))
batch.insert(key, data_dict)
logger.critical('%d rows written' % num_rows)
finally:
sm = SystemManager(server)
try:
sm.drop_keyspace(keyspace)
except pycassa.InvalidRequestException:
pass
sm.close()
logger.critical('clearing test keyspace: %r' % keyspace)
示例7: create
# 需要导入模块: from pycassa.system_manager import SystemManager [as 别名]
# 或者: from pycassa.system_manager.SystemManager import close [as 别名]
def create():
keyspace = configuration.cassandra_keyspace
mgr = SystemManager()
try:
workaround_1779(mgr.create_column_family, keyspace, 'Indexes',
comparator_type=UTF8_TYPE)
workaround_1779(mgr.create_column_family, keyspace, 'Stacktrace',
comparator_type=UTF8_TYPE)
workaround_1779(mgr.create_column_family, keyspace, 'AwaitingRetrace',
comparator_type=UTF8_TYPE)
finally:
mgr.close()
示例8: test_add_remove_counter
# 需要导入模块: from pycassa.system_manager import SystemManager [as 别名]
# 或者: from pycassa.system_manager.SystemManager import close [as 别名]
def test_add_remove_counter(self):
sys = SystemManager()
sys.create_column_family(TEST_KS, 'KeyLongCounter', key_validation_class=LongType(),
default_validation_class='CounterColumnType')
sys.close()
cf_long = ColumnFamily(pool, 'KeyLongCounter')
key = 1111111111111111L
cf_long.add(key, 'col')
assert_equal(cf_long.get(key), {'col': 1})
cf_long.remove_counter(key, 'col')
time.sleep(0.1)
assert_raises(NotFoundException, cf_long.get, key)
示例9: create_keyspace
# 需要导入模块: from pycassa.system_manager import SystemManager [as 别名]
# 或者: from pycassa.system_manager.SystemManager import close [as 别名]
def create_keyspace(self):
"""
Creates the Cassandra Keyspace (if not exist)
"""
sys_mgr = None
try:
sys_mgr = SystemManager()
try:
sys_mgr.describe_ring(settings.KEYSPACE)
except:
logger.info("create_keyspace(): Creating keyspace %s", settings.KEYSPACE)
sys_mgr.create_keyspace(settings.KEYSPACE, SIMPLE_STRATEGY, {'replication_factor': '1'})
finally:
if sys_mgr:
sys_mgr.close()
示例10: test_default_validated_columns
# 需要导入模块: from pycassa.system_manager import SystemManager [as 别名]
# 或者: from pycassa.system_manager.SystemManager import close [as 别名]
def test_default_validated_columns(self):
sys = SystemManager()
sys.create_column_family(TEST_KS, 'DefaultValidator', default_validation_class=LongType())
sys.alter_column(TEST_KS, 'DefaultValidator', 'subcol', TimeUUIDType())
sys.close()
cf = ColumnFamily(pool, 'DefaultValidator')
key = 'key1'
col_cf = {'aaaaaa': 1L}
col_cm = {'subcol': TIME1}
col_ncf = {'aaaaaa': TIME1}
# Both of these inserts work, as cf allows
# longs and cm for 'subcol' allows TIMEUUIDs.
cf.insert(key, col_cf)
cf.insert(key, col_cm)
assert_equal(cf.get(key), {'aaaaaa': 1L, 'subcol': TIME1})
示例11: _create_column_family
# 需要导入模块: from pycassa.system_manager import SystemManager [as 别名]
# 或者: from pycassa.system_manager.SystemManager import close [as 别名]
def _create_column_family(self, family, bytes_columns=[],
key_validation_class=TIME_UUID_TYPE):
'''
Creates a column family of the name 'family' and sets any of
the names in the bytes_column list to have the BYTES_TYPE.
key_validation_class defaults to TIME_UUID_TYPE and could also
be ASCII_TYPE for md5 hash keys, like we use for 'inbound'
'''
sm = SystemManager(random.choice(self.server_list))
# sys.create_column_family(self.namespace, family, super=False)
sm.create_column_family(self.namespace, family, super=False,
key_validation_class = key_validation_class,
default_validation_class = TIME_UUID_TYPE,
column_name_class = ASCII_TYPE)
for column in bytes_columns:
sm.alter_column(self.namespace, family, column, BYTES_TYPE)
sm.close()
示例12: test_validated_columns
# 需要导入模块: from pycassa.system_manager import SystemManager [as 别名]
# 或者: from pycassa.system_manager.SystemManager import close [as 别名]
def test_validated_columns(self):
sys = SystemManager()
sys.create_column_family(TEST_KS, 'Validators',)
sys.alter_column(TEST_KS, 'Validators', 'long', LongType())
sys.alter_column(TEST_KS, 'Validators', 'int', IntegerType())
sys.alter_column(TEST_KS, 'Validators', 'time', TimeUUIDType())
sys.alter_column(TEST_KS, 'Validators', 'lex', LexicalUUIDType())
sys.alter_column(TEST_KS, 'Validators', 'ascii', AsciiType())
sys.alter_column(TEST_KS, 'Validators', 'utf8', UTF8Type())
sys.alter_column(TEST_KS, 'Validators', 'bytes', BytesType())
sys.close()
cf = ColumnFamily(pool, 'Validators')
key = 'key1'
col = {'long': 1L}
cf.insert(key, col)
assert_equal(cf.get(key)['long'], 1L)
col = {'int': 1}
cf.insert(key, col)
assert_equal(cf.get(key)['int'], 1)
col = {'time': TIME1}
cf.insert(key, col)
assert_equal(cf.get(key)['time'], TIME1)
col = {'lex': uuid.UUID(bytes='aaa aaa aaa aaaa')}
cf.insert(key, col)
assert_equal(cf.get(key)['lex'], uuid.UUID(bytes='aaa aaa aaa aaaa'))
col = {'ascii': 'aaa'}
cf.insert(key, col)
assert_equal(cf.get(key)['ascii'], 'aaa')
col = {'utf8': u'a\u0020'}
cf.insert(key, col)
assert_equal(cf.get(key)['utf8'], u'a\u0020')
col = {'bytes': 'aaa'}
cf.insert(key, col)
assert_equal(cf.get(key)['bytes'], 'aaa')
cf.remove(key)
示例13: test_validation_with_packed_names
# 需要导入模块: from pycassa.system_manager import SystemManager [as 别名]
# 或者: from pycassa.system_manager.SystemManager import close [as 别名]
def test_validation_with_packed_names(self):
"""
Make sure that validated columns are packed correctly when the
column names themselves must be packed
"""
sys = SystemManager()
sys.create_column_family(TEST_KS, 'Validators2',
comparator_type=LongType(), default_validation_class=LongType())
sys.alter_column(TEST_KS, 'Validators2', 1, TimeUUIDType())
sys.close()
my_uuid = uuid.uuid1()
cf = ColumnFamily(pool, 'Validators2')
cf.insert('key', {0: 0})
assert_equal(cf.get('key'), {0: 0})
cf.insert('key', {1: my_uuid})
assert_equal(cf.get('key'), {0: 0, 1: my_uuid})
cf.insert('key', {0: 0, 1: my_uuid})
assert_equal(cf.get('key'), {0: 0, 1: my_uuid})
示例14: create_cfs
# 需要导入模块: from pycassa.system_manager import SystemManager [as 别名]
# 或者: from pycassa.system_manager.SystemManager import close [as 别名]
def create_cfs(self):
"""
Creates the Cassandra Column Families (if not exist)
"""
sys_mgr = None
pool = None
try:
sys_mgr = SystemManager()
pool = ConnectionPool(settings.KEYSPACE, server_list=settings.CASSANDRA_HOSTS)
for cf_name in [CF_LOGS, CF_LOGS_BY_APP, CF_LOGS_BY_HOST, CF_LOGS_BY_SEVERITY]:
try:
cf = ColumnFamily(pool, cf_name)
except:
logger.info("create_cfs(): Creating column family %s", cf_name)
sys_mgr.create_column_family(settings.KEYSPACE, cf_name, comparator_type=TimeUUIDType())
cf = ColumnFamily(pool, cf_name)
cf.get_count(str(uuid.uuid4()))
finally:
if pool:
pool.dispose()
if sys_mgr:
sys_mgr.close()
示例15: setup_package
# 需要导入模块: from pycassa.system_manager import SystemManager [as 别名]
# 或者: from pycassa.system_manager.SystemManager import close [as 别名]
def setup_package():
sys = SystemManager()
if TEST_KS in sys.list_keyspaces():
sys.drop_keyspace(TEST_KS)
try:
sys.create_keyspace(TEST_KS, 'SimpleStrategy', {'replication_factor': '1'})
sys.create_column_family(TEST_KS, 'Standard1')
sys.create_column_family(TEST_KS, 'Super1', super=True)
sys.create_column_family(TEST_KS, 'Indexed1')
sys.create_index(TEST_KS, 'Indexed1', 'birthdate', 'LongType')
sys.create_column_family(TEST_KS, 'Counter1',
default_validation_class='CounterColumnType')
sys.create_column_family(TEST_KS, 'SuperCounter1', super=True,
default_validation_class='CounterColumnType')
except Exception as e:
print(e)
try:
sys.drop_keyspace(TEST_KS)
except:
pass
raise e
sys.close()