I have odoo migrated to Openshift as container pod. The app is seems running, but when i go Inventory -> Master Data -> Product, unable to do print Product Level or Barcode etc.

odoo@odoo-3-5l6l2:/$ [root@uswix622 ~]# oc get pod
NAME READY STATUS RESTARTS AGE
odoo-3-5l6l2 1/1 Running 0 4d
postgres-1-9mbq2 1/1 Running 2 11d
[root@uswix622 ~]# oc rsh odoo-3-5l6l2
$ odoo --version
Odoo Server 12.0-20190424
$ /usr/local/bin/wkhtmltopdf -V
wkhtmltopdf 0.12.5 (with patched qt)
$ df -h
Filesystem Size Used Avail Use% Mounted on
overlay 300G 10G 290G 4% /
tmpfs 16G 0 16G 0% /dev
tmpfs 16G 0 16G 0% /sys/fs/cgroup
/dev/mapper/rootvg-varvol 50G 5.0G 46G 10% /etc/hosts
10.20.55.53:vol_489f473b10cc1ced8696b5b695fa7576 1014M 446M 569M 44% /mnt/extra-addons
shm 64M 0 64M 0% /dev/shm
/dev/mapper/docker--vg-docker--lv 300G 10G 290G 4% /run/secrets
10.20.55.52:vol_7509ceec9ca9bc814c1cc2c565ffa330 1014M 544M 471M 54% /var/lib/odoo/filestore
tmpfs 16G 16K 16G 1% /run/secrets/kubernetes.io/serviceaccount
tmpfs 16G 0 16G 0% /proc/acpi
tmpfs 16G 0 16G 0% /proc/scsi
tmpfs 16G 0 16G 0% /sys/firmware
$