Fixes #38168 - Add hostname parameter to kickstart kernel params

[ShimShtein]

This will force proper hostname during the installation phase

[waldirio]

Hey @ShimShtein

With your change, I was getting the same behavior/issue.

Please, let me share the change that was necessary to fix this issue.

diff --git a/app/views/unattended/provisioning_templates/snippet/kickstart_kernel_options.erb b/app/views/unattended/provisioning_templates/snippet/kickstart_kernel_options.erb
index bd5bad4..d999520 100644
--- a/app/views/unattended/provisioning_templates/snippet/kickstart_kernel_options.erb
+++ b/app/views/unattended/provisioning_templates/snippet/kickstart_kernel_options.erb
@@ -67,7 +67,7 @@ description: |
   end
   options.push("dualstack!") if subnet4 && subnet6
   if subnet4 && subnet4.dhcp_boot_mode?
-    options.push("ip=dhcp") if rhel_compatible && major >= 7
+    options.push("ip=::::#{hostname}::dhcp") if rhel_compatible && major >= 7
   elsif subnet4 && !subnet4.dhcp_boot_mode?
     if rhel_compatible && major < 7
       dns_servers = subnet4.dns_servers.join(',')

In anaconda documentation link, we can see the way to set the fqdn, when using dhcp

Technically all of the items are optional, so if you want to use dhcp but also set a hostname you can use ip=::::<hostname>::dhcp.

Thank you!
Waldirio

[ShimShtein]

Thanks @waldirio !
Fixed the PR to use the ip= field.

[stejskalleos]

Note to myself, from the docs:

Technically all of the items are optional, so if you want to use dhcp but also set a hostname you can use ip=::::::dhcp.

https://anaconda-installer.readthedocs.io/en/latest/boot-options.html

[shubhamsg199]

Tested this Patch, The provisioning is successful and only one host is created with provided hostname during host creation.

[stejskalleos]

🍏 code LGTM & verified by QE, let's get this in.

[stejskalleos]

Thanks @ShimShtein @shubhamsg199