Deprecate Ansible 2, make Ansible 5 default

Change-Id: I2576d0dcec7c8f7bbb76bdd469fd992874742edc

releasenotes/notes/deprecate-ansible-2-4c22db35d3c6c765.yaml

@@ -0,0 +1,5 @@
+---
+upgrade:
+  - |
+    Ansible versions 2.8 and 2.9 are now deprecated in Zuul since they
+    are both unmaintaned.  Ansible 5 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: 9
+      test_ansible_version_minor: 12
 
 # This job is used by a test case specifying a different ansible version in
 # zuul.conf

tests/unit/test_web.py

@@ -1066,7 +1066,7 @@ class TestWeb(BaseTestWeb):
 
         job_params = {
             'job': 'project-test1',
-            'ansible_version': '2.9',
+            'ansible_version': '5',
             'timeout': None,
             'post_timeout': None,
             'items': [],
@@ -1164,7 +1164,7 @@ class TestWeb(BaseTestWeb):
             "noop")
 
         job_params = {
-            'ansible_version': '2.9',
+            'ansible_version': '5',
             '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 = 2.9
+default_version = 5
 # OpenStackSDK 0.99.0 coincides with CORS header problems in some providers
 requirements = openstacksdk<0.99 openshift jmespath google-cloud-storage pywinrm boto3 azure-storage-blob ibm-cos-sdk netaddr passlib
 
@@ -8,11 +8,13 @@ requirements = openstacksdk<0.99 openshift jmespath google-cloud-storage pywinrm
 # Ansible 2.8.16 breaks the k8s connection plugin
 # Jinja 3.1.1 is incompatible with 2.8
 requirements = ansible>=2.8,<2.9,!=2.8.16 Jinja2<3.1.0
+deprecated = true
 
 [2.9]
 # Ansible 2.9.14 breaks the k8s connection plugin
 # https://github.com/ansible/ansible/issues/72171
 requirements = ansible>=2.9,<2.10,!=2.9.14
+deprecated = true
 
 [5]
 requirements = ansible>=5.0,<6.0