Foreman » Installer

Support iPXE without chain-loading

This commit allow to provide a specific PXE filename when PXE client is
iPXE compliant.

Note: This, consequently, allow to fetch directly boot files through
HTTP.

Source: https://projects.theforeman.org/projects/foreman/wiki/Fetch_boot_files_via_http_instead_of_TFTP

Added UEFI HTTP Boot support

Make the config header configurable

This allows the installer to set a specific warning that's tailored to
the installer. It won't affect users outside of the installer. It also
allows changing the message in a downstream product to include help
URLs.

fix missing authoritative statement when authoritative parameter is false, spec tests updated and tested satisfactorily

make ddns-update-style adjustable

ISC DHCP supports DDNS update style 'standard' since version 4.3, which implements DDNS as described in RFC 2136, available on Debian since Jessie/8.
This has also been backported to the ISC DHCP server available in RHEL 7.5, see https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.5_release_notes/new_features_networking#BZ1394727...

Use dhcp_interfaces in the systemd drop

By using interfaces we broke support for the $interface parameter.

Fixes #21755 - Make the OMAPI algorithm configurable

Fixes #20912 - Listen on interfaces in EL7

https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Networking_Guide/sec-dhcp-configuring-server.html#starting-stopping-server
suggests to override the full file but this just uses a drop-in to...

Allow choosing the DNS update server

By defaulting to `undef` the current behaviour is maintained.

Closes GH-88

Remove use of has_variable to simplify the template