def post_upgrade_check():
"""
Ensure all journal nodes are up and quorum is established during Rolling Upgrade.
:return:
"""
import params
Logger.info("Ensuring Journalnode quorum is established")
if params.security_enabled:
# We establish HDFS identity instead of JN Kerberos identity
# since this is an administrative HDFS call that requires the HDFS administrator user to perform.
Execute(params.hdfs_kinit_cmd, user=params.hdfs_user)
time.sleep(5)
hdfs_roll_edits()
time.sleep(5)
all_journal_node_hosts = default("/clusterHostInfo/journalnode_hosts", [])
if len(all_journal_node_hosts) < 3:
raise Fail("Need at least 3 Journalnodes to maintain a quorum")
try:
namenode_ha = namenode_ha_state.NamenodeHAState()
except ValueError, err:
raise Fail("Could not retrieve Namenode HA addresses. Error: " + str(
err))
def post_upgrade_check():
"""
Ensure all journal nodes are up and quorum is established during Rolling Upgrade.
:return:
"""
import params
Logger.info("Ensuring Journalnode quorum is established")
if params.security_enabled:
Execute(params.jn_kinit_cmd, user=params.hdfs_user)
time.sleep(5)
hdfs_roll_edits()
time.sleep(5)
all_journal_node_hosts = default("/clusterHostInfo/journalnode_hosts", [])
if len(all_journal_node_hosts) < 3:
raise Fail("Need at least 3 Journalnodes to maintain a quorum")
try:
namenode_ha = namenode_ha_state.NamenodeHAState()
except ValueError, err:
raise Fail("Could not retrieve Namenode HA addresses. Error: " +
str(err))