I have resolved it. From: openstack-discuss-bounces+sz_cuitao=163.com@lists.openstack.org <openstack-discuss-bounces+sz_cuitao=163.com@lists.openstack.org> On Behalf Of tommy Sent: Monday, June 14, 2021 9:43 PM To: 'OpenStack Discuss' <openstack-discuss@lists.openstack.org> Subject: Install v version failed on centos 8 Why?? [root@control ~]# packstack --answer-file=./openstack.ini Welcome to the Packstack setup utility The installation log file is available at: /var/tmp/packstack/20210614-203611-y8gez97l/openstack-setup.log Installing: Clean Up [ DONE ] Discovering ip protocol version [ DONE ] root@192.168.10.32's <mailto:root@192.168.10.32's> password: root@192.168.10.30's <mailto:root@192.168.10.30's> password: root@192.168.10.30's <mailto:root@192.168.10.30's> password: root@192.168.10.31's <mailto:root@192.168.10.31's> password: root@192.168.10.33's <mailto:root@192.168.10.33's> password: Setting up ssh keys [ DONE ] Preparing servers [ DONE ] Pre installing Puppet and discovering hosts' details [ DONE ] Preparing pre-install entries [ DONE ] Setting up CACERT [ DONE ] Preparing AMQP entries [ DONE ] Preparing MariaDB entries [ DONE ] Fixing Keystone LDAP config parameters to be undef if empty[ DONE ] Preparing Keystone entries [ DONE ] Preparing Glance entries [ DONE ] Preparing Nova API entries [ DONE ] Creating ssh keys for Nova migration [ DONE ] Gathering ssh host keys for Nova migration [ DONE ] Preparing Nova Compute entries [ DONE ] Preparing Nova Scheduler entries [ DONE ] Preparing Nova VNC Proxy entries [ DONE ] Preparing OpenStack Network-related Nova entries [ DONE ] Preparing Nova Common entries [ DONE ] Preparing Neutron API entries [ DONE ] Preparing Neutron L3 entries [ DONE ] Preparing Neutron L2 Agent entries [ DONE ] Preparing Neutron DHCP Agent entries [ DONE ] Preparing Neutron Metering Agent entries [ DONE ] Checking if NetworkManager is enabled and running [ DONE ] Preparing OpenStack Client entries [ DONE ] Preparing Horizon entries [ DONE ] Preparing Swift builder entries [ DONE ] Preparing Swift proxy entries [ DONE ] Preparing Swift storage entries [ DONE ] Preparing Gnocchi entries [ DONE ] Preparing Redis entries [ DONE ] Preparing Ceilometer entries [ DONE ] Preparing Aodh entries [ DONE ] Preparing Puppet manifests [ DONE ] Copying Puppet modules and manifests [ DONE ] Applying 192.168.10.30_controller.pp 192.168.10.30_controller.pp: [ DONE ] Applying 192.168.10.32_network.pp Applying 192.168.10.30_network.pp Applying 192.168.10.31_network.pp Applying 192.168.10.33_network.pp 192.168.10.31_network.pp: [ ERROR ] Applying Puppet manifests [ ERROR ] ERROR : Error appeared during Puppet run: 192.168.10.31_network.pp Error: Evaluation Error: Error while evaluating a Resource Statement, Evaluation Error: Missing title. The title expression resulted in undef (file: /var/tmp/packstack/a201c33193194a599c3654c79945e4a1/modules/ovn/manifests/co ntroller/port.pp, line: 11, column: 13) (file: /var/tmp/packstack/a201c33193194a599c3654c79945e4a1/modules/ovn/manifests/co ntroller.pp, line: 137) on node comps1 You will find full trace in log /var/tmp/packstack/20210614-203611-y8gez97l/manifests/192.168.10.31_network. pp.log Please check log file /var/tmp/packstack/20210614-203611-y8gez97l/openstack-setup.log for more information Additional information: * Parameter CONFIG_NEUTRON_L2_AGENT: You have chosen OVN Neutron backend. Note that this backend does not support the VPNaaS plugin. Geneve will be used as the encapsulation method for tenant networks * Time synchronization installation was skipped. Please note that unsynchronized time on server instances might be problem for some OpenStack components. * File /root/keystonerc_admin has been created on OpenStack client host 192.168.10.30. To use the command line tools you need to source the file. * To access the OpenStack Dashboard browse to http://192.168.10.30/dashboard . Please, find your login credentials stored in the keystonerc_admin in your home directory.