def HDFS_getGateway(cls, logoutput=True):
try:
from beaver.component.hadoop import HDFS
return HDFS.getGateway()
except Exception:
if logoutput:
logger.error("Exception occured during HDFS_getGateway() call")
logger.error(traceback.format_exc())
return None
def downgrade_client(cls, version, node, config=None):
'''
Downgrade client services :
:param version: Version to be downgraded to
:param node: Slave Node
:param config: Config location
:return:
'''
from beaver.component.rollingupgrade.ruCommon import hdpSelect
hdpSelect.changeVersion("slider-client", version, HDFS.getGateway())