def setup_common_configurations():
"""
Sets up the config files common to master, standby and segment nodes.
"""
import params
params.XmlConfig("hdfs-client.xml",
configurations=params.hdfs_client,
configuration_attributes=params.config_attrs['hdfs-client'])
params.XmlConfig("yarn-client.xml",
configurations=params.yarn_client,
configuration_attributes=params.config_attrs['yarn-client'])
params.XmlConfig("hawq-site.xml",
configurations=params.hawq_site,
configuration_attributes=params.config_attrs['hawq-site'])
__set_osparams()
def activate_hawq_standby(self, env):
import params
import utils
Logger.info("Activating HAWQ standby...")
params.XmlConfig(
"hawq-site.xml",
configurations=params.hawq_site,
configuration_attributes=params.config_attrs['hawq-site'])
utils.exec_hawq_operation(
hawq_constants.ACTIVATE,
"{0} -a -M {1} -v --ignore-bad-hosts".format(
hawq_constants.STANDBY, hawq_constants.FAST))
# Stop the new HAWQMASTER as the process might be running at an old port,
# which might cause a failure in Start HAWQ Service step in the Activate HAWQ Standby Master Wizard
common.stop_component(hawq_constants.MASTER, hawq_constants.FAST)