task/kernel: run apt-get clean before updating to avoid 15090

Fixes: http://tracker.ceph.com/issues/15090
Signed-off-by: Samuel Just <sjust@redhat.com>

diff --git a/teuthology/task/kernel.py b/teuthology/task/kernel.py
index cef7f251bee18de5460c9069488ab7a929335c95..ef130ddbbefc6e7e4288e2c14a236df5dd07a7c4 100644 (file)
--- a/teuthology/task/kernel.py
+++ b/teuthology/task/kernel.py
@@ -975,6 +975,7 @@ def get_latest_image_version_deb(remote, ostype):
     Round-about way to get the newest kernel uname -r compliant version string
     from the virtual package which is the newest kenel for debian/ubuntu.
     """
+    remote.run(args=['sudo', 'apt-get', 'clean'])
     remote.run(args=['sudo', 'apt-get', 'update'])
     output = StringIO()
     newest = ''