Add coverage collection to tox unit tests.

First step in increasing coverage is knowing what coverage
is currently at.  By default, tox only runs coverage on py3 as it
is slower to run with coverage.

1 files changed, 3 insertions, 0 deletions

diff --git a/tox.ini b/tox.ini
index 277858ed..08318a9f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -19,6 +19,9 @@ setenv =
 
 [testenv:py3]
 basepython = python3
+commands = {envpython} -m nose \
+    {posargs:--with-coverage --cover-erase \
+        --cover-branches --cover-package=cloudinit --cover-inclusive}
 
 [testenv:py26]
 commands = nosetests {posargs:tests}