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: I5f9a218429c1efc1fddae1945aef7110c4e031ee
Depends-On: https://review.openstack.org/555034
Signed-off-by: Doug Hellmann <doug@doughellmann.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/tox.ini b/tox.ini
index 95d2259..f6faa08 100644
--- a/tox.ini
+++ b/tox.ini
@@ -130,3 +130,10 @@ exclude = .git,.tox,.testrepository,.venv,build,cover,dist,doc,*egg,api-ref/buil
 import_exceptions =
   manila.i18n
 local-check-factory = manila.hacking.checks.factory
+
+[testenv:lower-constraints]
+basepython = python3
+deps =
+  -c{toxinidir}/lower-constraints.txt
+  -r{toxinidir}/test-requirements.txt
+  -r{toxinidir}/requirements.txt