Kickstart default
template tries to install puppet-agent
package in the %packages
section, but the http://yum.puppetlabs.com/fedora/f27/PC1/x86_64/
repo which is set up in the kickstart file only contains puppetlabs-release-pc1
.
It looks like only Puppet 5 is supported on FC27. Puppet 5 repo package is available via different URL: http://yum.puppetlabs.com/puppet5/fedora/27/x86_64/
and name: puppet-release