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Hi, I am newbie, try to install openstack packstack Ussri on Centos 8, always get failed. May be I am doing something wrong somewhere or missing something. Tried from official RDO page installation guide or from other pages as well but no luck. I need your help desperately!! how to install it properly on my test bed.

My Test bed Setup & steps:

Using Virtualbox installed Centos 8 minimal ISO version: 4.18.0-193.14.2.el8_2.x86_64

/etc/selinux/config=disabled

systemctl disable NetworkManager

systemctl stop NetworkManager

dnf install network-scripts -y

dnf config-manager --enable PowerTools

dnf install -y centos-release-openstack-ussuri

dnf update -y

reboot

dnf install -y openstack-packstack

packstack --gen-answer-file /root/answer.txt

CONFIG_PROVISION_DEMO=n, CONFIG_KEYSTONE_ADMIN_PW=password, CONFIG_HORIZON_SSL=y

"db_sync_timeout = 300" to "db_sync_timeout = 0" or 900, 1800

/usr/share/openstack-puppet/modules/neutron/manifests/db/sync.pp
/usr/share/openstack-puppet/modules/nova/manifests/db/sync.pp
/usr/share/openstack-puppet/modules/nova/manifests/db/sync_api.pp
/usr/share/openstack-puppet/modules/nova/manifests/db/online_data_migrations.pp

Tried and installed by different ways to resolve the timeout issue by searching on internet but all of them failed

packstack -allinone

packstack --answer-file /root/answer.txt

packstack --answer-file /root/answer.txt --timeout=900 or 1800

packstack --answer-file /root/answer.txt --timeout=0

Below are the configuration:

[root@openstack1 ~]# cat /etc/resolv.conf

search localdomain nameserver 192.168.100.1 nameserver 8.8.8.8 nameserver 8.8.4.4

[root@openstack1 ~]# cat /etc/hosts

127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 openstack1 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 192.168.100.33 openstack1

[root@openstack1 manifests]# cat /etc/hostname

openstack1

[root@openstack1 ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth0

TYPE="Ethernet" PROXY_METHOD="none" BROWSER_ONLY="no" BOOTPROTO="static" DEFROUTE="yes" IPV4_FAILURE_FATAL="no" IPV6INIT="no" IPV6_AUTOCONF="yes" IPV6_DEFROUTE="yes" IPV6_FAILURE_FATAL="no" IPV6_ADDR_GEN_MODE="stable-privacy" NAME="eth0" UUID="526d07cd-387b-4438-ba26-e3ea7c9b4cf9" DEVICE="eth0" ONBOOT="yes" IPADDR="192.168.100.33" PREFIX="24" GATEWAY="192.168.100.1" DNS1="192.168.100.1" DNS2="8.8.8.8" DNS3="8.8.4.4"

Error I am getting now: timeout all the times below error is displyed and in the log files: searched internet every where they have mentioned to disable the timeout or increased it in the puppet modules for sucessful installation but in my case its not working getting same error

ERROR : Error appeared during Puppet run: 192.168.100.33_controller.pp Error: /Stage[main]/Nova::Db::Sync/Exec[nova-db-sync]: Failed to call refresh: Command exceeded timeout You will find full trace in log /var/tmp/packstack/20200824-071619-qxdk96sr/manifests/192.168.100.33_controller.pp.log Please check log file /var/tmp/packstack/20200824-071619-qxdk96sr/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 or FWaaS services. 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. * NOTE : A selfsigned CA certificate was generated to be used ... (more)