func symmetricDifference()

in cloudstack_loadbalancer.go [570:592]

• 19 lines of code
• 5 McCabe index (conditional complexity)

func symmetricDifference(hostIDs []string, lbInstances []*cloudstack.VirtualMachine) ([]string, []string) {
	new := make(map[string]bool)
	for _, hostID := range hostIDs {
		new[hostID] = true
	}

	var remove []string
	for _, instance := range lbInstances {
		if new[instance.Id] {
			delete(new, instance.Id)
			continue
		}

		remove = append(remove, instance.Id)
	}

	var assign []string
	for hostID := range new {
		assign = append(assign, hostID)
	}

	return assign, remove
}