Rudder

I'm not sure it's a subtask really, but centos 8 still can't be installed with:

    centos8lite2_server:   Running scriptlet: rudder-webapp-1398866025:6.1.2.release-1.EL.8.x86_   29/37
    centos8lite2_server: INFO: Creating groups ... Done
    centos8lite2_server: INFO: Creating users ... Done
    centos8lite2_server: INFO: Removing ncf-api-venv user and group ...Failed to stop apache2.service: Unit apache2.service not loaded.
    centos8lite2_server: **************************************************************************************
    centos8lite2_server: ERROR: rudder-webapp postinstall script failed !
    centos8lite2_server:
    centos8lite2_server: Trying to recover the problem, you should check that your instance is properly working
    centos8lite2_server:
    centos8lite2_server: You should also try to manually execute: /opt/rudder/bin/rudder-upgrade
    centos8lite2_server:
    centos8lite2_server:    Such errors should not happen, please open an issue for this problem on
    centos8lite2_server:             https://issues.rudder.io/projects/rudder/issues/new
    centos8lite2_server: **************************************************************************************
    centos8lite2_server: chmod: cannot access '/var/rudder/configuration-repository/.git': No such file or directory
    centos8lite2_server: chmod: cannot access '/var/rudder/configuration-repository/techniques': No such file or directory
    centos8lite2_server: find: ‘/var/rudder/configuration-repository/.git’: No such file or directory
    centos8lite2_server: find: ‘/var/rudder/configuration-repository/techniques’: No such file or directory
    centos8lite2_server: INFO: Applying selinux policy...restorecon: lstat(/var/rudder/configuration-repository/techniques) failed: No such file or directory
    centos8lite2_server: warning: %post(rudder-webapp-1398866025:6.1.2.release-1.EL.8.x86_64) scriptlet failed, exit status 255

Most of rudder is not correctly installed then: no configuration-repo, no LDAP init, no postgres...