Update python testing as per zed cycle testing runtime9.0.0

In Zed cycle, we have dropped the python 3.6/3.7[1] testing
and its support. Moving the py36 job to py38 based but to run on
ubuntu focal as c8s does not seems to have py38.
Also updating the python classifier also to reflect the same.

[1] https://governance.openstack.org/tc/reference/runtimes/zed.html

Change-Id: Ic26a360d2bb09fa6622d1acaa5021c5afbc70240

4 files changed, 16 insertions, 12 deletions

diff --git a/.zuul.yaml b/.zuul.yaml
index c9e5b50..0ae7d9f 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -21,13 +21,13 @@
       - ^cinderclient/tests/unit/.*$
 
 - job:
-    name: python-cinderclient-functional-py36
+    name: python-cinderclient-functional-py38
     parent: python-cinderclient-functional-base
-    # need to specify a platform that has python 3.6 available
-    nodeset: devstack-single-node-centos-8-stream
+    # need to specify a platform that has python 3.8 available
+    nodeset: openstack-single-node-focal
     vars:
-      python_version: 3.6
-      tox_envlist: functional-py36
+      python_version: 3.8
+      tox_envlist: functional-py38
 
 - job:
     name: python-cinderclient-functional-py39
@@ -42,16 +42,16 @@
       - check-requirements
       - lib-forward-testing-python3
       - openstack-cover-jobs
-      - openstack-python3-yoga-jobs
+      - openstack-python3-zed-jobs
       - publish-openstack-docs-pti
       - release-notes-jobs-python3
     check:
       jobs:
-        - python-cinderclient-functional-py36
+        - python-cinderclient-functional-py38
         - python-cinderclient-functional-py39
         - openstack-tox-pylint:
             voting: false
     gate:
       jobs:
-        - python-cinderclient-functional-py36
+        - python-cinderclient-functional-py38
         - python-cinderclient-functional-py39
diff --git a/releasenotes/notes/drop-python-3-6-and-3-7-fe2dc753e456b527.yaml b/releasenotes/notes/drop-python-3-6-and-3-7-fe2dc753e456b527.yaml
new file mode 100644
index 0000000..5915647
--- /dev/null
+++ b/releasenotes/notes/drop-python-3-6-and-3-7-fe2dc753e456b527.yaml
@@ -0,0 +1,6 @@
+---
+upgrade:
+  - |
+    Python 3.6 & 3.7 support has been dropped. The minimum version of Python now
+    supported is Python 3.8.
+
diff --git a/setup.cfg b/setup.cfg
index aedf182..7b3c798 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -6,7 +6,7 @@ description_file =
 author = OpenStack
 author_email = openstack-discuss@lists.openstack.org
 home_page = https://docs.openstack.org/python-cinderclient/latest/
-python_requires = >=3.6
+python_requires = >=3.8
 classifier =
     Development Status :: 5 - Production/Stable
     Environment :: Console
@@ -18,8 +18,6 @@ classifier =
     Programming Language :: Python
     Programming Language :: Python :: 3 :: Only
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.6
-    Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
 
diff --git a/tox.ini b/tox.ini
index 63af144..cda4d26 100644
--- a/tox.ini
+++ b/tox.ini
@@ -98,7 +98,7 @@ setenv =
 # TLS (https) server certificate.
 passenv = OS_*
 
-[testenv:functional-py36]
+[testenv:functional-py38]
 deps = {[testenv:functional]deps}
 setenv = {[testenv:functional]setenv}
 passenv = {[testenv:functional]passenv}