Add Rockylinux 9 build configuration and update jobs for 8 and 9

* Add note in Rocky Linux 9 containerfile to explain not needing to run
  systemd-machine-setup-id

Change-Id: I01233ce27cc4558270b2f41fae36b46a17f56e52

.zuul.d/jobs.yaml

@@ -152,6 +152,23 @@
     # back for now.
     nodeset: ubuntu-focal
 
+- job:
+    name: dib-nodepool-functional-openstack-rockylinux-9-containerfile-src
+    description: |
+      Test building and booting a Rocky Linux image from a
+      containerfile with Nodepool and OpenStack (using released
+      libraries)
+    parent: dib-nodepool-functional-src-base
+    vars:
+      nodepool_debug: true
+      nodepool_diskimage:
+        base_element: rocky-container
+        release: '9'
+    # NOTE(ianw) 2022-07-11 : something in jammy has broken running
+    # podman inside docker.  Investigations continue, but force this
+    # back for now.
+    nodeset: ubuntu-focal
+
 - job:
     name: dib-nodepool-functional-openstack-ubuntu-xenial-src
     description: |

.zuul.d/project.yaml

@@ -31,6 +31,8 @@
         - dib-nodepool-functional-openstack-fedora-36-containerfile-src
         - dib-nodepool-functional-openstack-rockylinux-8-containerfile-src:
             voting: false
+        - dib-nodepool-functional-openstack-rockylinux-9-containerfile-src:
+            voting: false
         - dib-nodepool-functional-openstack-ubuntu-xenial-src
         - dib-nodepool-functional-openstack-ubuntu-bionic-src
         - dib-nodepool-functional-openstack-ubuntu-focal-src

diskimage_builder/elements/rocky-container/containerfiles/9

@@ -0,0 +1,13 @@
+FROM docker.io/rockylinux/rockylinux:9
+
+RUN dnf install -y findutils util-linux sudo python3 NetworkManager
+
+RUN systemctl unmask console-getty.service dev-hugepages.mount \
+    getty.target sys-fs-fuse-connections.mount systemd-logind.service \
+    systemd-remount-fs.service
+
+# NOTE(neilhanlon) 2022-08-02
+# Unlike with the RL8 image, there does not appear to be a requirement to
+# populate /etc/machine-id in order for /bin/kernel-install to correctly copy
+# kernels into /boot. As a result, we will not run the machine setup
+# systemd-machine-id-setup script

diskimage_builder/elements/rocky-container/environment.d/10-01-rocky-distro-name.bash

@@ -1,4 +1,4 @@
 export DISTRO_NAME=rocky
-export DIB_RELEASE=${DIB_RELEASE:-8} # always the most recent major
+export DIB_RELEASE=${DIB_RELEASE:-9} # always the most recent major
 export EFI_BOOT_DIR="EFI/rocky"
 export DIB_YUM_MINIMAL_CREATE_INTERFACES=0