Add python3.9 support

Add support for python3.9 by adding a python3.9 gate.
Tested locally and running zuul gate.

Story: 2009101
Task: 43169

Signed-off-by: Charles Short <charles.short@windriver.com>
Change-Id: I5f184bb4b3a33ae0e033e1f231c0d4d5eca3d800

.zuul.yaml

@@ -5,6 +5,7 @@
         - openstack-tox-linters
         - k8sapp-oidc-tox-py27
         - k8sapp-oidc-tox-py36
+        - k8sapp-oidc-tox-py39
         - k8sapp-oidc-tox-flake8
         - k8sapp-oidc-tox-pylint
         - k8sapp-oidc-tox-bandit
@@ -13,6 +14,7 @@
         - openstack-tox-linters
         - k8sapp-oidc-tox-py27
         - k8sapp-oidc-tox-py36
+        - k8sapp-oidc-tox-py39
         - k8sapp-oidc-tox-flake8
         - k8sapp-oidc-tox-pylint
         - k8sapp-oidc-tox-bandit
@@ -54,6 +56,25 @@
       tox_envlist: py36
       tox_extra_args: -c python-k8sapp-oidc/k8sapp_oidc/tox.ini
 
+- job:
+    name: k8sapp-oidc-tox-py39
+    parent: tox-py39
+    description: |
+      Run py39 test for k8sapp_oidc
+    nodeset: debian-bullseye
+    required-projects:
+      - starlingx/config
+      - starlingx/fault
+      - starlingx/update
+      - starlingx/utilities
+    files:
+      - python-k8sapp-oidc/*
+    vars:
+      tox_envlist: py39
+      python_version: 3.9
+      tox_extra_args: -c python-k8sapp-oidc/k8sapp_oidc/tox.ini
+
+
 - job:
     name: k8sapp-oidc-tox-flake8
     parent: tox

bindep.txt

@@ -0,0 +1,10 @@
+# This is a cross-platform list tracking distribution packages needed for install and tests;
+# see https://docs.openstack.org/infra/bindep/ for additional information.
+
+libffi-dev [platform:dpkg]
+libldap2-dev [platform:dpkg]
+libxml2-dev [platform:dpkg]
+libxslt1-dev [platform:dpkg]
+libsasl2-dev [platform:dpkg]
+libffi-devel [platform:rpm]
+python3-all-dev [platform:dpkg]

python-k8sapp-oidc/k8sapp_oidc/tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = flake8,py27,py36,pylint,bandit
+envlist = flake8,py27,py36,py39,pylint,bandit
 minversion = 1.6
 skipsdist = True
 
@@ -14,8 +14,7 @@ usedevelop = True
 # enabling usedevelop results in  py27 develop-inst:
 # Exception: Versioning for this project requires either an sdist tarball,
 # or access to an upstream git repository.
-# Note. site-packages is true and rpm-python must be yum installed on your dev machine.
-#sitepackages = True
+sitepackages = False
 
 # tox is silly... these need to be separated by a newline....
 whitelist_externals = bash
@@ -41,15 +40,12 @@ setenv = VIRTUAL_ENV={envdir}
 
 deps = -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
-install_runtime =
-    pip install \
-    -c{env:UPPER_CONSTRAINTS_FILE:https://opendev.org/openstack/requirements/raw/branch/stable/stein/upper-constraints.txt} \
-    -e {[tox]stxdir}/config/tsconfig/tsconfig \
-    -e {[tox]stxdir}/config/sysinv/sysinv/sysinv \
-    -e {[tox]stxdir}/fault/fm-api \
-    -e {[tox]stxdir}/fault/python-fmclient/fmclient \
-    -e {[tox]stxdir}/utilities/ceph/python-cephclient/python-cephclient \
-    -e {[tox]stxdir}/update/cgcs-patch/cgcs-patch
+       -e{[tox]stxdir}/config/tsconfig/tsconfig
+       -e{[tox]stxdir}/config/sysinv/sysinv/sysinv
+       -e{[tox]stxdir}/fault/fm-api
+       -e{[tox]stxdir}/fault/python-fmclient/fmclient
+       -e{[tox]stxdir}/utilities/ceph/python-cephclient/python-cephclient
+       -e{[tox]stxdir}/update/cgcs-patch/cgcs-patch
 
 
 passenv =
@@ -71,7 +67,6 @@ commands =
 [testenv:py27]
 basepython = python2.7
 commands =
-  {[testenv]install_runtime}
   {[testenv]commands}
   stestr run {posargs}
   stestr slowest
@@ -79,11 +74,21 @@ commands =
 [testenv:py36]
 basepython = python3.6
 commands =
-  {[testenv]install_runtime}
   {[testenv]commands}
   stestr run {posargs}
   stestr slowest
 
+[testenv:py39]
+basepython = python3.9
+install_command = pip install \
+    -c{env:UPPER_CONSTRAINTS_FILE:https://opendev.org/starlingx/root/raw/branch/master/build-tools/requirements/debian/upper-constraints.txt} \
+    {opts} {packages}
+commands =
+  {[testenv]commands}
+  stestr run {posargs}
+  stestr slowest
+
+
 [testenv:pep8]
 # testenv:flake8 clone
 basepython = {[testenv:flake8]basepython}
@@ -103,7 +108,6 @@ commands = bandit --ini tox.ini -n 5 -r k8sapp_oidc
 [testenv:pylint]
 basepython = python3
 commands =
-    {[testenv]install_runtime}
     pylint {posargs} k8sapp_oidc --rcfile=./pylint.rc
 
 [testenv:cover]