Cleanup py27 support

Removes and/or replaces all mentions of py27.

Cleans up obsolete requirements and their lower-constraints.

Change-Id: Id43f1bbd6a454832ab8dbf003a058403f6b34b5d

doc/source/contributor/running-tests.rst

@@ -30,11 +30,11 @@ See the `unit testing <https://wiki.openstack.org/wiki/Testing#Unit_Tests>`__
 section of the Testing wiki page for more information.
 Following are some simple examples.
 
-To run the Python 2.7 tests:
+To run the Python 3.7 tests:
 
 .. code-block:: console
 
-    tox -e py27
+    tox -e py37
 
 To run the style tests:
 
@@ -46,7 +46,7 @@ To run multiple tests separate items by commas:
 
 .. code-block:: console
 
-    tox -e py27,py37,pep8
+    tox -e py37,pep8
 
 Running a subset of tests
 -------------------------
@@ -59,27 +59,27 @@ To run the tests located only in the ``kolla/tests`` directory:
 
 .. code-block:: console
 
-    tox -e py27 kolla.tests
+    tox -e py37 kolla.tests
 
 To run the tests of a specific file say ``kolla/tests/test_set_config.py``:
 
 .. code-block:: console
 
-    tox -e py27 test_set_config
+    tox -e py37 test_set_config
 
 To run the tests in the ``ConfigFileTest`` class in
 the ``kolla/tests/test_set_config.py`` file:
 
 .. code-block:: console
 
-    tox -e py27 test_set_config.ConfigFileTest
+    tox -e py37 test_set_config.ConfigFileTest
 
 To run the ``ConfigFileTest.test_delete_path_not_exists`` test method in
 the ``kolla/tests/test_set_config.py`` file:
 
 .. code-block:: console
 
-    tox -e py27 test_set_config.ConfigFileTest.test_delete_path_not_exists
+    tox -e py37 test_set_config.ConfigFileTest.test_delete_path_not_exists
 
 Coverage Report Generation
 --------------------------

docker/collectd/Dockerfile.j2

@@ -65,15 +65,10 @@ LABEL maintainer="{{ maintainer }}" name="{{ image_name }}" build-date="{{ build
   {% if base_arch =='x86_64' %}
       {% set collectd_packages = collectd_packages + [
         'collectd-hugepages',
+        'collectd-pmu',
         'collectd-rdt',
         'collectd-turbostat'
       ] %}
-
-    {% if distro_python_version.startswith('3') %}
-      {% set collectd_packages = collectd_packages + [
-            'collectd-pmu'
-      ] %}
-    {% endif %}
   {% endif %}
 
   {% if base_arch != 's390x' %}

kolla/image/build.py

@@ -732,7 +732,7 @@ class KollaWorker(object):
             self.conf.distro_python_version = "3.6"
         else:
             # Assume worst
-            self.conf.distro_python_version = "2.7"
+            self.conf.distro_python_version = "3.6"
 
         if self.conf.distro_package_manager is not None:
             package_manager = self.conf.distro_package_manager

lower-constraints.txt

@@ -39,7 +39,6 @@ monotonic==1.4
 mox3==0.25.0
 msgpack==0.5.6
 munch==2.2.0
-netaddr==0.7.18
 netifaces==0.10.6
 openstacksdk==0.12.0
 os-client-config==1.29.0
@@ -50,7 +49,6 @@ oslo.context==2.20.0
 oslo.i18n==3.20.0
 oslo.log==3.36.0
 oslo.serialization==2.25.0
-oslo.utils==3.33.0
 oslotest==3.2.0
 packaging==17.1
 pbr==2.0.0
@@ -77,7 +75,6 @@ PyYAML==3.10
 requests==2.18.4
 requestsexceptions==1.4.0
 rfc3986==1.2.0
-setuptools==21.0
 simplejson==3.13.2
 six==1.10.0
 smmap2==2.0.3

requirements.txt

@@ -1,11 +1,5 @@
-# The order of packages is significant, because pip processes them in the order
-# of appearance. Changing the order has an impact on the overall integration
-# process, which may cause wedges in the gate later.
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
 docker>=2.4.2 # Apache-2.0
 Jinja2>=2.8 # BSD License (3 clause)
 GitPython>=1.0.1 # BSD License (3 clause)
 oslo.config>=5.1.0 # Apache-2.0
-oslo.utils>=3.33.0 # Apache-2.0
-setuptools!=24.0.0,!=34.0.0,!=34.0.1,!=34.0.2,!=34.0.3,!=34.1.0,!=34.1.1,!=34.2.0,!=34.3.0,!=34.3.1,!=34.3.2,!=36.2.0,>=21.0 # PSF/ZPL
-netaddr>=0.7.18 # BSD

setup.cfg

@@ -6,6 +6,7 @@ description-file =
 author = OpenStack
 author-email = openstack-discuss@lists.openstack.org
 home-page = https://docs.openstack.org/kolla/latest/
+python-requires = >=3.6
 license = Apache License, Version 2.0
 classifier =
     Environment :: OpenStack
@@ -14,6 +15,8 @@ classifier =
     License :: OSI Approved :: Apache Software License
     Operating System :: POSIX :: Linux
     Programming Language :: Python
+    Programming Language :: Python :: Implementation :: CPython
+    Programming Language :: Python :: 3 :: Only
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
@@ -36,8 +39,3 @@ console_scripts =
     kolla-build = kolla.cmd.build:main
 oslo.config.opts =
     kolla = kolla.opts:list_opts
-
-[build_releasenotes]
-all_files = 1
-build-dir = releasenotes/build
-source-dir = releasenotes/source

setup.py

@@ -13,17 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# THIS FILE IS MANAGED BY THE GLOBAL REQUIREMENTS REPO - DO NOT EDIT
 import setuptools
 
-# In python < 2.7.4, a lazy loading of package `pbr` will break
-# setuptools if some other modules registered functions in `atexit`.
-# solution from: http://bugs.python.org/issue15881#msg170215
-try:
-    import multiprocessing  # noqa
-except ImportError:
-    pass
-
 setuptools.setup(
     setup_requires=['pbr>=2.0.0'],
     pbr=True)

tox.ini

@@ -9,7 +9,6 @@ basepython = python3
 usedevelop=True
 whitelist_externals = find
                       rm
-install_command = pip install {opts} {packages}
 deps = -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
        -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt