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: I33404e115161a430ce0587bf203450c8145db0a0
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 6deb9fc..1e215ea 100644
--- a/tox.ini
+++ b/tox.ini
@@ -72,3 +72,10 @@ import_exceptions =
 # of the requirements.txt files
 deps = pip_missing_reqs
 commands = pip-missing-reqs -d --ignore-module=oslo_db* --ignore-module=pkg_resources --ignore-file=oslo_db/tests/* oslo_db
+
+[testenv:lower-constraints]
+basepython = python3
+deps =
+  -c{toxinidir}/lower-constraints.txt
+  -r{toxinidir}/test-requirements.txt
+  -r{toxinidir}/requirements.txt