The pause and resume actions shell out to the ceph command to run
OSD operations (in/out).
Because the default cephx key given out by the monitor cluster does
not contain the correct permissions, these commands fail.
Use the osd-upgrade user which has the correct permissions.
Closes-Bug: 1602826
Depends-On: I6af43b61149c6eeeeb5c77950701194beda2da71
Change-Id: Ie31bc9048972dbb0986ac8deb5b821a4db5d585f
3ab6133c2a