Please try to start keystone manually after failure:
cd /opt/stack/keystone && /opt/stack/keystone/bin/keystone-all --config-file /etc/keystone/keystone.conf --log-config /etc/keystone/logging.conf -d --debug || echo "key failed to 'tart" | tee "/opt/stack/status/stack/key.failure"
Then paste error message from keystone here.
Please try to start keystone manually after failure: keystone/ bin/keystone- all --config-file /etc/keystone/ keystone. conf --log-config /etc/keystone/ logging. conf -d --debug || echo "key failed to 'tart" | tee "/opt/stack/ status/ stack/key. failure"
cd /opt/stack/keystone && /opt/stack/
Then paste error message from keystone here.