Resource leak cleanup (#1556)

Add tox target for tracing for resource leaks, fix some leaks

1 files changed, 9 insertions, 0 deletions

diff --git a/tox.ini b/tox.ini
index f35194bf..05a3e929 100644
--- a/tox.ini
+++ b/tox.ini
@@ -150,6 +150,15 @@ commands = {envpython} -m pytest \
             -m hypothesis_slow \
             {posargs:--hypothesis-show-statistics tests/unittests}
 
+#commands = {envpython} -X tracemalloc=40 -Werror::ResourceWarning:cloudinit -m pytest \
+[testenv:py3-leak]
+deps = {[testenv:py3]deps}
+commands = {envpython} -X tracemalloc=40 -Wall -m pytest \
+            --durations 10 \
+            {posargs:--cov=cloudinit --cov-branch \
+            tests/unittests}
+
+
 [lowest-supported-deps]
 # Tox is going to install requirements from pip. This is fine for
 # testing python version compatibility, but when we build cloud-init, we are