Stop testing python 2

Since it's no longer supported past Train, let's stop
running the tests.

Co-authored-by: Ajay Kumar <ajay.k@india.nec.com>

Change-Id: If81d0a45c423c173aa3c40dd2cfce37462dbf900

doc/requirements.txt

@@ -1,4 +1,3 @@
-sphinx!=1.6.6,!=1.6.7,>=1.6.2,<2.0.0;python_version=='2.7'  # BSD
 sphinx!=1.6.6,!=1.6.7,!=2.1.0,>=1.6.2;python_version>='3.4'  # BSD
 openstackdocstheme>=1.20.0  # Apache-2.0
 sphinxcontrib-apidoc>=0.2.1 # BSD

releasenotes/notes/drop-python-2-7-f17da6245b0ebc13.yaml

@@ -0,0 +1,5 @@
+---
+upgrade:
+  - |
+    Python 2.7 support has been dropped. The minimum version of Python now
+    supported by Octavia-lib is Python 3.6.

setup.cfg

@@ -16,8 +16,6 @@ classifier =
     License :: OSI Approved :: Apache Software License
     Operating System :: POSIX :: Linux
     Programming Language :: Python
-    Programming Language :: Python :: 2
-    Programming Language :: Python :: 2.7
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
@@ -26,9 +24,6 @@ classifier =
 packages =
     octavia_lib
 
-[wheel]
-universal = 1
-
 [compile_catalog]
 directory = octavia_lib/locale
 domain = octavia_lib

tox.ini

@@ -1,9 +1,10 @@
 [tox]
 minversion = 2.5.0
-envlist = docs,py27,py37,pep8
+envlist = docs,py37,pep8
 skipsdist = True
 
 [testenv]
+basepython = python3
 usedevelop = True
 install_command = pip install {opts} {packages}
 setenv =
@@ -20,7 +21,6 @@ deps =
 commands = stestr run {posargs}
 
 [testenv:pep8]
-basepython = python3
 commands = flake8 {posargs}
            doc8 --ignore-path doc/source/contributor/modules \
            doc/source octavia_lib HACKING.rst README.rst
@@ -29,11 +29,9 @@ commands = flake8 {posargs}
            {toxinidir}/tools/coding-checks.sh --pylint '{posargs}'
 
 [testenv:venv]
-basepython = python3
 commands = {posargs}
 
 [testenv:cover]
-basepython = python3
 setenv =
     VIRTUAL_ENV={envdir}
     PYTHON=coverage run --source octavia_lib --parallel-mode
@@ -45,7 +43,6 @@ commands =
     coverage report --fail-under=95 --skip-covered
 
 [testenv:docs]
-basepython = python3
 deps = -r{toxinidir}/doc/requirements.txt
 whitelist_externals = rm
 commands =
@@ -53,7 +50,6 @@ commands =
   sphinx-build -W -b html doc/source doc/build/html
 
 [testenv:pdf-docs]
-basepython = python3
 deps = {[testenv:docs]deps}
 whitelist_externals =
   make
@@ -64,13 +60,11 @@ commands =
   make -C doc/build/pdf
 
 [testenv:releasenotes]
-basepython = python3
 deps = {[testenv:docs]deps}
 commands =
   sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasenotes/source releasenotes/build/html
 
 [testenv:debug]
-basepython = python3
 commands = oslo_debug_helper {posargs}
 
 [flake8]
@@ -89,7 +83,6 @@ local-check-factory = octavia_lib.hacking.checks.factory
 max-line-length = 79
 
 [testenv:lower-constraints]
-basepython = python3
 deps =
   -c{toxinidir}/lower-constraints.txt
   -r{toxinidir}/test-requirements.txt
@@ -99,7 +92,6 @@ commands =
     sh -c 'OS_TEST_PATH={toxinidir}/octavia_lib/tests/unit stestr run {posargs}'
 
 [testenv:requirements]
-basepython = python3
 deps =
   -egit+https://opendev.org/openstack/requirements#egg=openstack-requirements
 whitelist_externals = sh

zuul.d/projects.yaml

@@ -3,7 +3,6 @@
       - check-requirements
       - openstack-cover-jobs
       - openstack-lower-constraints-jobs
-      - openstack-python-jobs
       - openstack-python3-ussuri-jobs
       - publish-openstack-docs-pti
       - release-notes-jobs-python3