Do not build Debian Bullseye image anymore

Debian Bullseye is EOL since a year now and its default python
version is 3.9 which is incompatible with Ironic Python Agent.
This patch removes its support.

Change-Id: I057de3d4773132c535e935b48a6c7b1bdd434af2
Signed-off-by: Riccardo Pittau <elfosardo@gmail.com>

dib/ironic-python-agent-ramdisk/environment.d/01-debian-ipa.bash

@@ -1,9 +1,5 @@
 # IPA is built with non-free firmware by default.
 DIB_DEBIAN_NON_FREE=non-free-firmware
-if [[ "$DIB_RELEASE" == "bullseye" ]]; then
-    # Starting with bookworm, firmware is in a separate repository
-    DIB_DEBIAN_NON_FREE=non-free
-fi
 export DIB_DEBIAN_COMPONENTS=${DIB_DEBIAN_COMPONENTS:-main,contrib,$DIB_DEBIAN_NON_FREE}
 
 if [[ $DIB_DEBIAN_COMPONENTS =~ non-free ]]; then

dib/ironic-python-agent-ramdisk/pkg-map

@@ -11,11 +11,6 @@
         "python": "python3.12",
         "python-dev": "python3.12-devel"
       }
-    },
-    "debian": {
-      "bullseye": {
-          "lshw": "lshw/bullseye-backports"
-      }
     }
   },
   "family": {

doc/source/admin/dib.rst

@@ -10,7 +10,6 @@ real hardware. The recommended distributions are:
 The following should work but receive only limited testing and support:
 
 * Ubuntu 20.04 Focal
-* Debian Bullseye (``debian-minimal`` element)
 
 Building
 --------

releasenotes/notes/goodbye-bullseye-2484e954f7234ba5.yaml

@@ -0,0 +1,5 @@
+---
+upgrade:
+  - |
+    Debian Bullseye IPA ramdisk is not built anymore, the default Python
+    version (3.9) is incompatible with Ironic Python Agent.

zuul.d/ironic-python-agent-builder-jobs.yaml

@@ -125,23 +125,17 @@
       image_distro: 'debian-minimal'
       image_release: 'bookworm'
 
-- job:
-    name: ironic-python-agent-check-image-dib-debian-bullseye
-    parent: ironic-python-agent-check-image-dib-debian
-    vars:
-      image_release: 'bullseye'
-
 - job:
     name: ironic-python-agent-check-image-dib-debian-arm64
     parent: ironic-python-agent-check-image-dib-debian
-    nodeset: debian-bullseye-arm64
+    nodeset: debian-bookworm-arm64
     vars:
       image_target_name: debian-arm64
 
 - job:
     name: ironic-python-agent-build-image-dib-debian-arm64
     parent: ironic-python-agent-build-image-dib-debian
-    nodeset: debian-bullseye-arm64
+    nodeset: debian-bookworm-arm64
     vars:
       image_target_name: debian-arm64
 

zuul.d/project.yaml

@@ -15,8 +15,6 @@
         - ironic-python-agent-check-image-dib-debian-arm64
         - ironic-python-agent-check-image-dib-debian-extra
         # Non-voting jobs
-        - ironic-python-agent-check-image-dib-debian-bullseye:
-            voting: false
         - ironic-python-agent-check-image-dib-ubuntu:
             voting: false
         - ironic-python-agent-check-image-dib-ubuntu-arm64: