def __init__(self, conf_file, start_mode):
with open(conf_file) as f:
self.conf = yaml.load(f)
self.start_mode = start_mode
self.hdfs_client = hdfs.Config().get_client('dev')
# Topo information
# In production, it should be ready in any standby data-center for quick handing over
self.pickle_dir = 'pickled_nodes'
self.pickle_dir_local = os.path.join(CONSTANTS.ROOT_DIR,
'pickled_nodes')
# used for recovery
self.backup_dir = 'backup'
# used for testing
self.computing_state_dir = 'computing_state'
if start_mode == 'new':
# create/overwrite these directories
for d in (self.pickle_dir, self.backup_dir,
self.computing_state_dir):
self.hdfs_client.delete(d, recursive=True)
self.hdfs_client.makedirs(d)
time.sleep(2)
def __init__(self, node_id, type, computing_state=0):
self.node_id = node_id
self.type = type
# update after handling (creating if Spout) each app tuple
self.computing_state = computing_state
# for measuring the delay before processing new tuples
self.last_run_state = computing_state
# update after handling each tuple
self.tuple_handling_state = None
# update after handling (creating if Spout) each BarrierTuple
self.latest_checked_version = None
self.hdfs_client = hdfs.Config().get_client('dev')
# create backup directories
# TODO: parent dir should be an argument
self.backup_dir = os.path.join('backup', str(node_id))
self.node_backup_dir = os.path.join(self.backup_dir, 'node')
self.node_latest_version_path = os.path.join(self.node_backup_dir, 'latest_version')
self.hdfs_client.write(self.node_latest_version_path, data=str(self.computing_state))
self.computing_state_dir = 'computing_state'
for d in (self.backup_dir, self.node_backup_dir):
self.hdfs_client.makedirs(d)
self.hdfs_client.write(os.path.join(self.computing_state_dir, '.'.join([str(self.node_id), str(0)])), data='')
def __init__(self, node, restart=False, test_mode=True):
self.node = node
self.read_interval = CONSTANTS.SPACE_AUDIT_INTERVAL_RESTART if restart else CONSTANTS.SPACE_AUDIT_INTERVAL
self.test_mode = test_mode
self.log_path = os.path.join(
CONSTANTS.ROOT_DIR, 'results',
'_'.join([str(self.node.node_id), 'space']))
self.hdfs_client = hdfs.Config().get_client('dev')
# only measure the backup part, which is most important
self.storage_max = 0
self.storage_avg = None
# in bytes, only audit sender
self.network_normal = 0
self.network_other = 0
from kafka import KafkaConsumer
import hdfs
hdfs_client = hdfs.Config().get_client()
kafka_client = KafkaConsumer("test1",
bootstrap_servers="sandbox.hortonworks.com:6667")
i = 0
file = 0
queue = []
for msg in kafka_client:
i = i + 1
queue.append(msg.value)
if i % 1000 == 0:
with hdfs_client.write("/tmp/test_" + str(file) + ".hl7") as writer:
for cur in queue:
hl7 = {}
hl7_list = []
for seg in hl7_msg.split('\n'):
fields = seg.split('|')
if fields[0] == 'MSH':
hl7['msh_ts'] = fields[6]
if fields[0] == 'OBX':
hl7['component'] = fields[3]
hl7['value'] = fields[5]
hl7['unit'] = fields[6]
hl7['result_ts'] = fields[14]
# init
queue_params = {'I_SUBSCRIBER_TYPE': u'BOBJ_DS',
'I_SUBSCRIBER_NAME': u'PYTHON',
'I_SUBSCRIBER_PROCESS': u'PYTHON',
'I_QUEUENAME': u'2LIS_02_ITM',
'I_EXTRACTION_MODE': u'D'
}
# Logging
logging.basicConfig(format = u'%(filename)s[LINE:%(lineno)d]# %(levelname)-8s [%(asctime)s] %(message)s',
filename = u'/home/local/X5/olga.guzeva/logs/' + queue_params['I_QUEUENAME'] + '_' + datetime.now().strftime('%Y%m%d') + '_log.log', level = logging.INFO)
# Подключение к HDFS
client = hdfs.Config().get_client('dev')
logging.info('************Start program************')
print_params()
# загружаем конфиг с параметрами для подключения
config = configparser.ConfigParser()
config.read('/home/local/X5/olga.guzeva/cfg/sapnwrfc.cfg')
cfg_sap = config['SAP_ER1']
# Устанавливаем коннект и печатаем статус
conn = pyrfc.Connection(**cfg_sap)
result = conn.call('STFC_CONNECTION', REQUTEXT='Hello SAP!')
logging.info(result)
logging.info('Connaction alive = ' + str(conn.alive))
