doc/dev_guide: add needs-upgrade-testing label info

Add an explanation of the "needs-upgrade-testing" label and explain when
to use it.

Laura is the true author of this text.

Co-authored-by: Laura Flores <lflores@ibm.com>
Signed-off-by: Zac Dover <zac.dover@proton.me>
(cherry picked from commit 02d5a6a3371c9fa52a32124cf07da16b89a11e27)

diff --git a/doc/dev/developer_guide/basic-workflow.rst b/doc/dev/developer_guide/basic-workflow.rst
index 27000fa2b577be4e6613136371c7b39c58e33e50..a53507d86fc6b45e0a064b5e4bd3aa20bfde4384 100644 (file)
--- a/doc/dev/developer_guide/basic-workflow.rst
+++ b/doc/dev/developer_guide/basic-workflow.rst
@@ -416,6 +416,10 @@ Teuthology test suites can take hours (and even days in some cases) to
 complete, so batching tests reduces contention for resources and saves a lot of
 time.
 
+If your code change has any effect on upgrades, add the
+``needs-upgrade-testing`` label. This indicates that an upgrade testing suite
+should be scheduled.
+
 To request access to the Sepia lab, start `here
 <https://wiki.sepia.ceph.com/doku.php?id=vpnaccess>`_.