Deprecate Ansible 8

Ansible 8 is no longer supported and 9 is available and working.
Deprecate Ansible 8.

Change-Id: I87ed47c4520328f7831361b19c74e683d2344e3d

releasenotes/notes/ansible-9-default-1e666b7e0fde45a0.yaml

@@ -0,0 +1,6 @@
+---
+upgrade:
+  - |
+    Ansible version 8 is now deprecated in Zuul since it is
+    unmaintaned, and it will be removed from a future version of
+    Zuul. Ansible 9 is now the default version in Zuul.

tests/fixtures/config/ansible-versions/git/common-config/zuul.yaml

@@ -25,7 +25,7 @@
     parent: ansible-version
     vars:
       test_ansible_version_major: 2
-      test_ansible_version_minor: 15
+      test_ansible_version_minor: 16
 
 # This job is used by a test case specifying a different ansible version in
 # fixtures/zuul-default-ansible-version.conf
@@ -37,7 +37,7 @@
     parent: ansible-version
     vars:
       test_ansible_version_major: 2
-      test_ansible_version_minor: 16
+      test_ansible_version_minor: 15
 
 - job:
     name: ansible-8

tests/fixtures/zuul-default-ansible-version.conf

@@ -7,7 +7,7 @@ server=127.0.0.1
 tenant_config=main.yaml
 relative_priority=true
 # Used by ansible-default-zuul-conf job
-default_ansible_version=9
+default_ansible_version=8
 
 [merger]
 git_dir=/tmp/zuul-test/merger-git

tests/unit/test_web.py

@@ -1162,7 +1162,7 @@ class TestWeb(BaseTestWeb):
         job_params = {
             'job': 'project-test1',
             'ansible_split_streams': None,
-            'ansible_version': '8',
+            'ansible_version': '9',
             'timeout': None,
             'post_timeout': None,
             'items': [],
@@ -1288,7 +1288,7 @@ class TestWeb(BaseTestWeb):
 
         job_params = {
             'ansible_split_streams': None,
-            'ansible_version': '8',
+            'ansible_version': '9',
             'branch': 'master',
             'extra_vars': {},
             'group_vars': {},

zuul/lib/ansible-config.conf

@@ -1,6 +1,6 @@
 # This file describes the currently supported ansible versions
 [common]
-default_version = 8
+default_version = 9
 # OpenStackSDK 0.99.0 coincides with CORS header problems in some providers
 # 2024-04-24: urllib3 = 2.1.0 causes problems with some Windows nodes, fixed in
 #             2.2.0 but ibm-cos-sdk is currently holding it back.
@@ -9,6 +9,7 @@ requirements = openstacksdk<0.99 openshift jmespath google-cloud-storage pywinrm
 
 [8]
 requirements = ansible>=8.0,<9.0
+deprecated = true
 
 [9]
 requirements = ansible>=9.0,<10.0