Add python 3.9 gate for cgts-client

Added support for python 3.9 in the zuul gate. Tested
by running tox locally.

Story: 2006796
Task: 42951

Signed-off-by: Charles Short <charles.short@windriver.com>
Change-Id: I571ff28fc631215b66b4a88649e30e3d3b7368ac

.zuul.yaml

@@ -22,6 +22,7 @@
         - tsconfig-tox-flake8
         - cgtsclient-tox-py27
         - cgtsclient-tox-py36
+        - cgtsclient-tox-py39
         - cgtsclient-tox-pep8
         - cgtsclient-tox-pylint
     gate:
@@ -42,6 +43,7 @@
         - config-tox-flake8
         - cgtsclient-tox-py27
         - cgtsclient-tox-py36
+        - cgtsclient-tox-py39
         - cgtsclient-tox-pep8
         - cgtsclient-tox-pylint
     post:
@@ -263,6 +265,19 @@
       tox_envlist: py36
       tox_extra_args: -c sysinv/cgts-client/cgts-client/tox.ini
 
+- job:
+    name: cgtsclient-tox-py39
+    parent: tox-py39
+    description: |
+      Run py39 test for cgts-client
+    nodeset: ubuntu-focal
+    files:
+      - sysinv/cgts-client/*
+    vars:
+      bindep_profile: test py39
+      python_version: 3.9
+      tox_envlist: py39
+      tox_extra_args: -c sysinv/cgts-client/cgts-client/tox.ini
 
 - job:
     name: cgtsclient-tox-pep8

bindep.txt

@@ -0,0 +1,5 @@
+# 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]
+libffi-devel [platform:rpm]

sysinv/cgts-client/cgts-client/tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py27,py36,pep8,pylint
+envlist = py27,py36,py39,pep8,pylint
 minversion = 1.6
 #skipsdist = True
 
@@ -46,6 +46,20 @@ commands =
   stestr run {posargs}
   stestr slowest
 
+[testenv:py39]
+basepython = python3.9
+install_command = pip install \
+    -U \
+    -c{env:UPPER_CONSTRAINTS_FILE:https://opendev.org/openstack/requirements/raw/branch/stable/victoria/upper-constraints.txt} \
+    {opts} {packages}
+deps = -r{toxinidir}/requirements.txt
+       -r{toxinidir}/test-requirements.txt
+       -e{[tox]stxdir}/config/tsconfig/tsconfig
+commands =
+  {[testenv]commands}
+  stestr run {posargs}
+  stestr slowest
+
 [testenv:pep8]
 basepython = python3
 deps = -r{toxinidir}/test-requirements.txt
@@ -111,3 +125,12 @@ deps = {[testenv]deps}
         pylint
 
 commands = pylint {posargs} cgtsclient --rcfile=./pylint.rc  --extension-pkg-whitelist=lxml.etree,greenlet
+
+[testenv:bindep]
+# Do not install any requirements. We want this to be fast and work even if
+# system dependencies are missing, since it's used to tell you what system
+# dependencies are missing! This also means that bindep must be installed
+# separately, outside of the requirements files.
+skip_install = True
+deps = bindep
+commands = bindep test