Disable Zincati when booting a live image

[bgilbert]

It won't work on PXE or ISO anyway.

I think the most direct approach would be to make zincati.service ConditionKernelCommandLine=! the kargs for PXE and ISO booting. Do we want to do that upstream, or should the distro add a drop-in?

[lucab]

Zincati is already very much specific to Fedora-CoreOS. It also already depends specifically on Ignition platform ID:

zincati/src/identity/platform.rs

Line 14 in d4f5d74

static CMDLINE_PLATFORM_FLAG: &str = "ignition.platform.id";

Both options would be fine, but I guess that adding the condition here will make it will simpler to read and reason about for our users.

[bgilbert]

Unlike on Container Linux, the Ignition platform ID will not encode PXE and ISO boot. There will be separate kargs for that.

[lucab]

Ah, true. Scratch the bits on Ignition platform then. Let's still keep those conditions here, once we settle on the new kargs.

[lucab]

Closed by #126.