Add lampstack tox environment

This commits adds ansible lampstack tox environment, as well as ansible
and shade to requirements.txt file.
:
Change-Id: I1028847971b9f336d5d7b411de92b2b08486c3e2

requirements.txt

@@ -3,3 +3,5 @@
 # process, which may cause wedges in the gate later.
 
 pbr>=1.8 # Apache-2.0
+ansible>=2.0.0.0 # GNU LGPL 3.0
+shade==1.13.2 # Apache-2.0

tox.ini

@@ -1,25 +1,42 @@
 [tox]
 minversion = 2.0
-envlist=pep8
+envlist = lampstack, docs, releasenotes
+skip_install = True
 skipsdist = True
 
 [testenv]
 usedevelop = True
+sitepackages = False
 install_command = pip install -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt} {opts} {packages}
+whitelist_externals = *
 setenv =
    VIRTUAL_ENV={envdir}
    PYTHONWARNINGS=default::DeprecationWarning
-deps = -r{toxinidir}/test-requirements.txt
-commands = python setup.py test --slowest --testr-args='{posargs}'
-
-[testenv:pep8]
-commands = flake8 {posargs}
+passenv = HOME OS_USERNAME OS_PASSWORD OS_PROJECT_NAME http_proxy HTTP_PROXY https_proxy HTTPS_PROXY no_proxy NO_PROXY
+deps =
+    -r{toxinidir}/requirements.txt
+    -r{toxinidir}/test-requirements.txt
 
 [testenv:venv]
 commands = {posargs}
 
-[testenv:cover]
-commands = python setup.py test --coverage --testr-args='{posargs}'
+[testenv:ansible]
+deps =
+    {[testenv]deps}
+setenv =
+    {[testenv]setenv}
+    ANSIBLE_HOST_KEY_CHECKING = False
+    ANSIBLE_SSH_CONTROL_PATH =  /tmp/%%h-%%r
+
+[testenv:lampstack]
+deps =
+    {[testenv:ansible]deps}
+setenv =
+    {[testenv:ansible]setenv}
+    LAMPSTACK_DIR = {toxinidir}/workloads/ansible/shade/lampstack
+    ANSIBLE_INVENTORY = {env:LAMPSTACK_DIR}/hosts
+    ANSIBLE_CONFIG = {env:LAMPSTACK_DIR}/ansible.cfg
+commands = ansible-playbook -e "action=apply {posargs}" {env:LAMPSTACK_DIR}/site.yml
 
 [testenv:docs]
 commands = python setup.py build_sphinx
@@ -27,14 +44,3 @@ commands = python setup.py build_sphinx
 [testenv:releasenotes]
 commands =
   sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasenotes/source releasenotes/build/html
-
-[testenv:debug]
-commands = oslo_debug_helper {posargs}
-
-[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