config/controllerconfig/controllerconfig/upgrade-scripts/40-sysinv-system-capability...

79 lines
2.2 KiB
Python

#!/usr/bin/env python
# Copyright (c) 2017 Wind River Systems, Inc.
#
# SPDX-License-Identifier: Apache-2.0
#
# This migration script converts the sdn_enabled field in the system table
# from y/n to True/False
import json
import sys
import psycopg2
from controllerconfig.common import log
from psycopg2.extras import RealDictCursor
LOG = log.get_logger(__name__)
def main():
action = None
from_release = None
to_release = None # noqa
arg = 1
while arg < len(sys.argv):
if arg == 1:
from_release = sys.argv[arg]
elif arg == 2:
to_release = sys.argv[arg] # noqa
elif arg == 3:
action = sys.argv[arg]
else:
print ("Invalid option %s." % sys.argv[arg])
return 1
arg += 1
log.configure()
if from_release == "17.06" and action == "migrate":
try:
LOG.info("performing system migration from release %s to %s with "
"action: %s" % (from_release, to_release, action))
update_system_capabilities()
except Exception as ex:
LOG.exception(ex)
print ex
return 1
def update_system_capabilities():
conn = psycopg2.connect("dbname='sysinv' user='postgres'")
with conn:
with conn.cursor(cursor_factory=RealDictCursor) as cur:
cur.execute("select capabilities from i_system WHERE id = 1;")
capabilities = cur.fetchone()
if capabilities is None:
LOG.exception("Failed to fetch i_system data")
raise
fields_str = capabilities.get('capabilities')
fields_dict = json.loads(fields_str)
if fields_dict.get('sdn_enabled') == 'y':
new_vals = {'sdn_enabled': True}
else:
new_vals = {'sdn_enabled': False}
fields_dict.update(new_vals)
new_cap = json.dumps(fields_dict)
LOG.info("Updating system capabilities %s to %s" %
(capabilities, new_cap))
upgrade_vals = {'C': new_cap}
cur.execute("update i_system set capabilities=%(C)s WHERE id=1",
upgrade_vals)
if __name__ == "__main__":
sys.exit(main())