Added a property to userdata to allow a network interface to be ignored,
such that Talos will perform no operations on it (including DHCP).
Also added kernel commandline parameter (talos.network.interface.ignore)
to specify a network interface should be ignored.
Also allows chaining of kernel cmdline parameter Contains() where the
parameter in question does not exist.
Fixes#1124
Signed-off-by: Seán C McCord <ulexus@gmail.com>
Increased retry count to 6 for DHCP. In my testing, this worked
reliably in my setup, where the default (3) did not.
Ultimately, this should probably be configurable from the userdata.
Instead, this just makes it work for me.
Fixes#1099
Signed-off-by: Seán C McCord <ulexus@gmail.com>
If multiple interfaces exist on a node, but the first interface was unsuccessful
in getting a dhcp response, we would seg fault when trying to retrieve the hostname
for that interface. This was due to d.Ack being nil and us having no guard around it
Signed-off-by: Brad Beam <brad.beam@talos-systems.com>
This is a major rewrite of our network subsystem.
- This changes networkd to run as a standalone app versus internal goroutine
- This changes out the netlink package with the more idiomatic netlink/rtnetlink
packages
- This changes the initial network bootstrap/discovery from using a single
interface to attempting to bring up all interfaces
- This moves us back on to the upstream dhcp library
Signed-off-by: Brad Beam <brad.beam@talos-systems.com>
