makepath=True)
start_cassandra(args.database, args.db_master, args.keyname,
args.zookeeper)
datastore_upgrade.wait_for_quorum(args.keyname, args.db_master,
len(args.database), args.replication)
db_access = DatastoreProxy(hosts=args.database)
# Exit early if a data layout upgrade is not needed.
if db_access.valid_data_version():
status = {
'status': 'complete',
'message': 'The data layout is valid'
}
sys.exit()
zookeeper = datastore_upgrade.get_zookeeper(args.zookeeper)
try:
total_entities = datastore_upgrade.estimate_total_entities(
db_access.session, args.db_master, args.keyname)
except AppScaleDBError:
total_entities = None
run_datastore_upgrade(db_access, zookeeper, args.log_postfix,
total_entities)
status = {
'status': 'complete',
'message': 'Data layout upgrade complete'
}
except Exception as error:
logging.exception('Failed to upgrade AppScale')
status = {'status': 'error', 'message': error.message}
sys.exit()
# Ensure monit is running.
relevant_ips = set(args.zookeeper) | set(args.database)
for ip in relevant_ips:
utils.ssh(ip, args.keyname, "service monit start")
start_cassandra(args.database, args.db_master, args.keyname)
start_zookeeper(args.zookeeper, args.keyname)
datastore_upgrade.wait_for_quorum(args.keyname, len(args.database), args.replication)
db_access = datastore_upgrade.get_datastore()
# Exit early if a data layout upgrade is not needed.
if db_access.valid_data_version():
status = {"status": "complete", "message": "The data layout is valid"}
sys.exit()
zookeeper = datastore_upgrade.get_zookeeper(args.zookeeper)
try:
total_entities = datastore_upgrade.estimate_total_entities(db_access.session, args.db_master, args.keyname)
except AppScaleDBError:
total_entities = None
run_datastore_upgrade(db_access, zookeeper, args.log_postfix, total_entities)
status = {"status": "complete", "message": "Data layout upgrade complete"}
except Exception as error:
status = {"status": "error", "message": error.message}
sys.exit()
finally:
# Always write the result of the upgrade and clean up.
write_to_json_file(status, args.log_postfix)
if zookeeper is not None:
zookeeper.close()