Function hasReplicationSetChangedExcluding

pkg/ring/replication_set.go:172–196

Do comparison of replicasets, but apply a function first to be able to exclude (reset) some values

(before, after ReplicationSet, exclude func(*InstanceDesc))

// Do comparison of replicasets, but apply a function first
// to be able to exclude (reset) some values
func hasReplicationSetChangedExcluding(before, after ReplicationSet, exclude func(*InstanceDesc)) bool {
	beforeInstances := before.Instances
	afterInstances := after.Instances

	if len(beforeInstances) != len(afterInstances) {
		return true
	}

	sort.Sort(ByAddr(beforeInstances))
	sort.Sort(ByAddr(afterInstances))

	for i := range beforeInstances {
		b := beforeInstances[i]
		a := afterInstances[i]

		exclude(&a)
		exclude(&b)

		if !b.Equal(a) {
			return true
		}
	}

	return false
}