Revert "Revert "Add disable-nouveau element to tripleo images""

This reverts commit 28384614a5.

This should land after we have a promoted DIB.

Change-Id: I1ae04d297bdd81f2ecfef8e2dc5a650cae9616ad
Related-Bug: #1784015

image-yaml/overcloud-hardened-images-uefi.yaml

@@ -21,9 +21,10 @@ disk_images:
       - dracut-regenerate
       - remove-machine-id
       - remove-resolvconf
-      - modprobe-blacklist
+      - modprobe
       - overcloud-secure-uefi
       - openssh
+      - disable-nouveau
     packages:
       - ntp
       - python-psutil

image-yaml/overcloud-hardened-images.yaml

@@ -21,9 +21,10 @@ disk_images:
       - dracut-regenerate
       - remove-machine-id
       - remove-resolvconf
-      - modprobe-blacklist
+      - modprobe
       - overcloud-secure
       - openssh
+      - disable-nouveau
     packages:
       - ntp
       - python-psutil

image-yaml/overcloud-images.yaml

@@ -23,6 +23,7 @@ disk_images:
       - remove-machine-id
       - remove-resolvconf
       - openssh
+      - disable-nouveau
     packages:
       - python-psutil
       - python-debtcollector

image-yaml/overcloud-realtime-compute.yaml

@@ -21,6 +21,7 @@ disk_images:
       - remove-resolvconf
       - realtime-kernel
       - openssh
+      - disable-nouveau
     packages:
       - python-psutil
       - python-debtcollector

releasenotes/notes/disable_nouveau-bbaf1263fe43821a.yaml

@@ -0,0 +1,6 @@
+---
+features:
+  - |
+    Add disable-nouveau element to tripleo images
+    This ensures nouveau is not loaded at boot, as this can prevent PCI passthrough
+    or loading the NVIDIA binary drivers that are required for vGPU support.