1 files changed, 50 insertions, 0 deletions
diff --git a/qa/tasks/tox.py b/qa/tasks/tox.py
new file mode 100644
index 000000000..61c5b7411
--- /dev/null
+++ b/qa/tasks/tox.py
@@ -0,0 +1,50 @@
+import argparse
+import contextlib
+import logging
+
+from teuthology import misc as teuthology
+from teuthology.orchestra import run
+
+log = logging.getLogger(__name__)
+
+
+def get_toxvenv_dir(ctx):
+    return '{tdir}/tox-venv'.format(tdir=teuthology.get_testdir(ctx))
+
+@contextlib.contextmanager
+def task(ctx, config):
+    """
+    Deploy tox from pip. It's a dependency for both Keystone and Tempest.
+    """
+    assert config is None or isinstance(config, list) \
+        or isinstance(config, dict), \
+        "task tox only supports a list or dictionary for configuration"
+    all_clients = ['client.{id}'.format(id=id_)
+                   for id_ in teuthology.all_roles_of_type(ctx.cluster, 'client')]
+    if config is None:
+        config = all_clients
+    if isinstance(config, list):
+        config = dict.fromkeys(config)
+
+    log.info('Deploying tox from pip...')
+    for (client, _) in config.items():
+        # yup, we have to deploy tox first. The packaged one, available
+        # on Sepia's Ubuntu machines, is outdated for Keystone/Tempest.
+        tvdir = get_toxvenv_dir(ctx)
+        ctx.cluster.only(client).run(args=['python3', '-m', 'venv', tvdir])
+        ctx.cluster.only(client).run(args=[
+            'source', '{tvdir}/bin/activate'.format(tvdir=tvdir),
+            run.Raw('&&'),
+            'pip', 'install', 'tox==3.15.0'
+        ])
+
+    # export the path Keystone and Tempest
+    ctx.tox = argparse.Namespace()
+    ctx.tox.venv_path = get_toxvenv_dir(ctx)
+
+    try:
+        yield
+    finally:
+        for (client, _) in config.items():
+            ctx.cluster.only(client).run(
+                args=[ 'rm', '-rf', get_toxvenv_dir(ctx) ])