OK, reading logs helps. I accidently destroyed the CA file.
020-01-03 13:06:00,806+01 ERROR [org.ovirt.engine.core.utils.hostinstall.OpenSslCAWrapper]
(VdsDeploy) [3ef678c] Sign Certificate request failed with exit code 1
2020-01-03 13:06:00,806+01 ERROR
[org.ovirt.engine.core.utils.hostinstall.OpenSslCAWrapper] (VdsDeploy) [3ef678c] Sign
Certificate request script errors:
Using configuration from openssl.conf
CA certificate and CA private key do not match
140008583800720:error:0B080074:x509 certificate routines:X509_check_private_key:key values
mismatch:x509_cmp.c:341:
Cannot sign certificate