add lower-constraints job

Create a tox environment for running the unit tests against the lower
bounds of the dependencies.

Create a lower-constraints.txt to be used to enforce the lower bounds
in those tests.

Add openstack-tox-lower-constraints job to the zuul configuration.

See http://lists.openstack.org/pipermail/openstack-dev/2018-March/128352.html
for more details.

Change-Id: Ic5fa4edff518a453941ec3d288f7a859adccec76
Depends-On: https://review.openstack.org/555034
Signed-off-by: Doug Hellmann <doug@doughellmann.com>

.zuul.yaml

@@ -0,0 +1,7 @@
+- project:
+    check:
+      jobs:
+        - openstack-tox-lower-constraints
+    gate:
+      jobs:
+        - openstack-tox-lower-constraints

lower-constraints.txt

@@ -0,0 +1,155 @@
+amqp==2.1.1
+appdirs==1.3.0
+asn1crypto==0.23.0
+Babel==2.3.4
+cachetools==2.0.0
+cffi==1.7.0
+chardet==3.0.4
+cliff==2.8.0
+cmd2==0.8.0
+colorama==0.3.9
+contextlib2==0.4.0
+coverage==4.0
+cryptography==2.1
+debtcollector==1.2.0
+decorator==3.4.0
+deprecation==1.0
+Django==1.8
+django-appconf==1.0.2
+django-babel==0.5.1
+django-compressor==2.0
+django-nose==1.4.4
+django-pyscss==2.0.2
+doc8==0.6.0
+docutils==0.11
+dogpile.cache==0.6.2
+eventlet==0.18.2
+extras==1.0.0
+fasteners==0.7.0
+fixtures==3.0.0
+flake8==2.5.5
+flake8-import-order==0.12
+futurist==1.2.0
+greenlet==0.4.10
+hacking==0.12.0
+horizon==13.0.0
+idna==2.6
+iso8601==0.1.11
+Jinja2==2.10
+jmespath==0.9.0
+jsonpatch==1.16
+jsonpointer==1.13
+jsonschema==2.6.0
+keystoneauth1==3.4.0
+kombu==4.0.0
+linecache2==1.0.0
+MarkupSafe==1.0
+mccabe==0.2.1
+mock==2.0.0
+monotonic==0.6
+mox3==0.20.0
+msgpack-python==0.4.0
+munch==2.1.0
+netaddr==0.7.18
+netifaces==0.10.4
+nodeenv==0.9.4
+nose==1.3.7
+nose-exclude==0.3.0
+nosehtmloutput==0.0.3
+nosexcover==1.0.10
+openstack.nose-plugin==0.7
+openstacksdk==0.11.2
+os-client-config==1.28.0
+os-service-types==1.2.0
+osc-lib==1.8.0
+oslo.concurrency==3.25.0
+oslo.config==5.2.0
+oslo.context==2.19.2
+oslo.i18n==3.15.3
+oslo.log==3.36.0
+oslo.messaging==5.29.0
+oslo.middleware==3.31.0
+oslo.policy==1.30.0
+oslo.serialization==2.18.0
+oslo.service==1.24.0
+oslo.utils==3.33.0
+osprofiler==1.4.0
+Paste==2.0.2
+PasteDeploy==1.5.0
+pbr==2.0.0
+pep8==1.5.7
+pika==0.10.0
+pika-pool==0.1.3
+Pint==0.5
+positional==1.2.1
+prettytable==0.7.2
+pycodestyle==2.3.1
+pycparser==2.18
+pyflakes==0.8.1
+pyinotify==0.9.6
+pymongo==3.0.2
+pyOpenSSL==17.1.0
+pyparsing==2.1.0
+pyperclip==1.5.27
+pyScss==1.3.4
+python-cinderclient==3.3.0
+python-dateutil==2.5.3
+python-glanceclient==2.8.0
+python-heatclient==1.10.0
+python-keystoneclient==3.8.0
+python-mimeparse==1.6.0
+python-neutronclient==6.7.0
+python-novaclient==9.1.0
+python-swiftclient==3.2.0
+pytz==2013.6
+PyYAML==3.12
+rcssmin==1.0.6
+repoze.lru==0.7
+requests==2.14.2
+requestsexceptions==1.2.0
+restructuredtext-lint==1.1.1
+rfc3986==0.3.1
+rjsmin==1.0.12
+Routes==2.3.1
+semantic-version==2.3.1
+simplejson==3.5.1
+six==1.10.0
+statsd==3.2.1
+stevedore==1.20.0
+tenacity==3.2.1
+termcolor==1.1.0
+testtools==2.2.0
+traceback2==1.4.0
+unittest2==1.1.0
+vine==1.1.4
+warlock==1.2.0
+WebOb==1.7.1
+wrapt==1.7.0
+XStatic==1.0.0
+XStatic-Angular==1.5.8.0
+XStatic-Angular-Bootstrap==2.2.0.0
+XStatic-Angular-FileUpload==12.0.4.0
+XStatic-Angular-Gettext==2.3.8.0
+XStatic-Angular-lrdragndrop==1.0.2.2
+XStatic-Angular-Schema-Form==0.8.13.0
+XStatic-Bootstrap-Datepicker==1.3.1.0
+XStatic-Bootstrap-SCSS==3.3.7.1
+XStatic-bootswatch==3.3.7.0
+XStatic-D3==3.5.17.0
+XStatic-Font-Awesome==4.7.0.0
+XStatic-Hogan==2.0.0.2
+XStatic-Jasmine==2.4.1.1
+XStatic-jQuery==1.8.2.1
+XStatic-JQuery-Migrate==1.2.1.1
+XStatic-jquery-ui==1.10.4.1
+XStatic-JQuery.quicksearch==2.0.3.1
+XStatic-JQuery.TableSorter==2.14.5.1
+XStatic-JSEncrypt==2.3.1.1
+XStatic-mdi==1.4.57.0
+XStatic-objectpath==1.2.1.0
+XStatic-Rickshaw==1.5.0.0
+XStatic-roboto-fontface==0.5.0.0
+XStatic-smart-table==1.4.13.2
+XStatic-Spin==1.2.5.2
+XStatic-term.js==0.0.7.0
+XStatic-tv4==1.2.7.0

tox.ini

@@ -125,3 +125,10 @@ max-line-length = 80
 # D000: Check RST validity
 # - cannot handle "none" for code-block directive
 ignore = D000
+
+[testenv:lower-constraints]
+basepython = python3
+deps =
+  -c{toxinidir}/lower-constraints.txt
+  -r{toxinidir}/test-requirements.txt
+  -r{toxinidir}/requirements.txt