Doing filesystem resizes is blocked when a node is degraded and
going over 90% filesystem utilization degrades the node.
This prevents the user from clearing the alarm by resizing and
adding more space to a certain filesystem.
To fix this, we check add a new field to every alarm marking
which alarm causes a degrade.
In case of a filesystem resize, we poll all alarms and filter
them for those that are causing a degrade. If the only alarm
that causes a degrade is the filesystem usage alarm, then
it is safe to proceed with the resize.
Change-Id: I9b4a9c34f625ef2669725d489460b15e637c1efc
Signed-off-by: Jack Ding <jack.ding@windriver.com>
4246a0448d