Satellite 6 installer fails with 'No Puppet module parser is installed and no cache of the file /usr/share/foreman-installer/modules/foreman/manifests/compute/gce.pp is available'.

Issue

• Running the Satellite installation script gives the error output below:

  /usr/share/gems/gems/kafo-6.5.0/lib/kafo/puppet_module.rb:70:in `parse': No Puppet module parser is installed and no cache of the file /usr/share/foreman-   installer/modules/foreman/manifests/compute/gce.pp is available. Please check debug logs and install optional dependencies for the parser. (Kafo::ParserError)
         from /usr/share/gems/gems/kafo-6.5.0/lib/kafo/configuration.rb:133:in `block in modules'
         from /usr/share/gems/gems/kafo-6.5.0/lib/kafo/configuration.rb:133:in `map'
         from /usr/share/gems/gems/kafo-6.5.0/lib/kafo/configuration.rb:133:in `modules'
         from /usr/share/gems/gems/kafo-6.5.0/lib/kafo/kafo_configure.rb:253:in `modules'
         from /usr/share/gems/gems/kafo-6.5.0/lib/kafo/kafo_configure.rb:257:in `module'
         from /usr/share/gems/gems/kafo-6.5.0/lib/kafo/hook_context.rb:113:in `module_present?'
         from /usr/share/foreman-installer/hooks/boot/20-certs_update.rb:2:in `block (4 levels) in load'