Add CentOS9 jobs back

CentOS-9 jobs are functional when Python version is updated.

Change-Id: I5cb66d6dd07275fa728b048f35adcf3ec92f0aba

.zuul.yaml

@@ -201,13 +201,17 @@
     parent: telemetry-dsvm-integration
     description: |
       Telemetry devstack tempest tests job for a Centos 9 stream system
+    pre-run:
+      - playbooks/python-3.12-install.yaml
 
 - job:
     name: telemetry-dsvm-integration-centos-9s-fips
     parent: telemetry-dsvm-integration-centos-9s
     description: |
       Telemetry devstack tempest tests job for a FIPS enabled Centos 9 stream system
-    pre-run: playbooks/enable-fips.yaml
+    pre-run:
+      - playbooks/python-3.12-install.yaml
+      - playbooks/enable-fips.yaml
     vars:
       nslookup_target: "opendev.org"
 
@@ -223,6 +227,8 @@
         - telemetry-dsvm-integration-2024-2
         - telemetry-dsvm-integration-2025-1
         - telemetry-dsvm-integration-ipv6-only
+        - telemetry-dsvm-integration-centos-9s
+        - telemetry-dsvm-integration-centos-9s-fips
     gate:
       jobs:
         - telemetry-dsvm-integration

playbooks/python-3.12-install.yaml

@@ -0,0 +1,16 @@
+---
+- hosts: all
+  tasks:
+    - name: Install Python 3.12 on Centos distro
+      become: yes
+      ansible.builtin.shell: |
+        dnf install -y python3.12 python3.12-pip python3.12-devel pcp*devel gcc gcc-c++
+        alternatives --install /usr/bin/python python /usr/bin/python3.12 10
+        alternatives --install /usr/bin/python3 python3 /usr/bin/python3.12 10
+        update-alternatives --set python /usr/bin/python3.12
+        update-alternatives --set python3 /usr/bin/python3.12
+        alternatives --install /usr/bin/pip pip /usr/bin/pip3.12 10
+        alternatives --install /usr/bin/pip33 pip3 /usr/bin/pip3.12 10
+        update-alternatives --set pip /usr/bin/pip3.12
+        update-alternatives --set pip3 /usr/bin/pip3.12
+        pip3.12 install pcp