The retry logic we use to persist critical annotations makes it difficult to
delete an annotation without potentially also deleting annotations added by
another controller (e.g. the composition logic). This commit therefore changes
the way we detect whether we might have created an external resource but not
recorded the result. Previously we relied on the presence of the 'pending'
annotation to detect this state. Now we check whether the 'pending' annotation
is newer than any 'succeeded' or 'failed' annotation.
Signed-off-by: Nic Cope <negz@rk0n.org>
88ef9dcbb9