func()

in cloudstack_loadbalancer.go [332:366]

• 27 lines of code
• 8 McCabe index (conditional complexity)

func (cs *CSCloud) verifyHosts(nodes []*corev1.Node) ([]string, string, error) {
	hostNames := map[string]bool{}
	for _, node := range nodes {
		hostNames[strings.ToLower(node.Name)] = true
	}

	p := cs.client.VirtualMachine.NewListVirtualMachinesParams()
	p.SetListall(true)

	if cs.projectID != "" {
		p.SetProjectid(cs.projectID)
	}

	l, err := cs.client.VirtualMachine.ListVirtualMachines(p)
	if err != nil {
		return nil, "", fmt.Errorf("error retrieving list of hosts: %v", err)
	}

	var hostIDs []string
	var networkID string

	// Check if the virtual machine is in the hosts slice, then add the corresponding ID.
	for _, vm := range l.VirtualMachines {
		if hostNames[strings.ToLower(vm.Name)] {
			if networkID != "" && networkID != vm.Nic[0].Networkid {
				return nil, "", fmt.Errorf("found hosts that belong to different networks")
			}

			networkID = vm.Nic[0].Networkid
			hostIDs = append(hostIDs, vm.Id)
		}
	}

	return hostIDs, networkID, nil
}