Add basic package structure

* Use PBR with minimal setup files to allow packaging
* Add tox configuration and enable PEP8/ansible-lint environments

requirements.txt

@@ -0,0 +1,6 @@
+# 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>=2.0 # Apache-2.0
+ansible>=2.6.0 # GPLv3

setup.cfg

@@ -0,0 +1,20 @@
+[metadata]
+name = tenks
+summary = Deployment of virtual bare metal clusters with Tenks
+description-file =
+    README.md
+author = Will Miller
+author-email = willm@stackhpc.com
+home-page = https://stackhpc.com
+classifier =
+    Environment :: OpenStack
+    Intended Audience :: Information Technology
+    Intended Audience :: System Administrators
+    Operating System :: POSIX :: Linux
+    Programming Language :: Python
+    Programming Language :: Python :: 2
+    Programming Language :: Python :: 2.7
+
+[files]
+packages =
+    tenks

setup.py

@@ -0,0 +1,29 @@
+# Copyright (c) 2018 StackHPC Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# 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'],
+    pbr=True)

test-requirements.txt

@@ -0,0 +1,6 @@
+# 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.
+
+ansible-lint>=3.0.0 # MIT
+flake8>=3.5.0 # MIT

tox.ini

@@ -0,0 +1,46 @@
+[tox]
+minversion = 2.0
+envlist = py35,py27,pep8,alint
+skipsdist = True
+
+[testenv]
+usedevelop = True
+install_command = pip install {opts} {packages}
+passenv =
+    HOME
+whitelist_externals =
+    bash
+    rm
+setenv =
+   VIRTUAL_ENV={envdir}
+   PYTHONWARNINGS=default::DeprecationWarning
+   OS_STDOUT_CAPTURE=1
+   OS_STDERR_CAPTURE=1
+   OS_TEST_TIMEOUT=60
+deps =
+    -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt?h=stable/rocky}
+    -r{toxinidir}/requirements.txt
+    -r{toxinidir}/test-requirements.txt
+
+[testenv:pep8]
+basepython = python3
+commands =
+  flake8 {posargs}
+
+[testenv:alint]
+basepython = python3
+# ansible-lint doesn't support custom modules, so add ours to the Ansible path.
+setenv = ANSIBLE_LIBRARY = {toxinidir}/ansible/action_plugins/
+# Exclude roles downloaded from Galaxy (in the form 'author.role') from
+# linting.
+commands = bash -c "ansible-lint \
+                    $(find {toxinidir}/ansible -path '*.yml' \
+                          -not -path '{toxinidir}/ansible/roles/*.*/*' -print)"
+
+[flake8]
+# E123, E125 skipped as they are invalid PEP-8.
+
+show-source = True
+ignore = E123,E125
+builtins = _
+exclude=.venv,.git,.tox,dist,doc,*lib/python*,*egg,build