func isReplicated(cntReplicated, total int, valSet set.StringSet) bool {
	if cntReplicated > 0 && cntReplicated < total {
		return false
	}
	if len(valSet) > 1 {
		// mismatch - one or more sites has differing tags/policy
		return false
	}
	return true
}

// isIAMPolicyReplicated returns true if count of replicated IAM policies matches total
// number of sites and IAM policies are identical.