diff --git a/app/app.go b/app/app.go
index aa1c82e..ddae517 100644
--- a/app/app.go
+++ b/app/app.go
@@ -5,10 +5,8 @@ import (
 	"flag"
 	"fmt"
 	"log"
-	"net/http"
-	"strconv"
+	"time"
 
-	"github.com/gin-gonic/gin"
 	"github.com/luthermonson/go-proxmox"
 )
 
@@ -28,25 +26,36 @@ func Run() {
 	token := fmt.Sprintf(`%s@%s!%s`, config.PVE.Token.USER, config.PVE.Token.REALM, config.PVE.Token.ID)
 	client = NewClient(token, config.PVE.Token.Secret)
 
-	router := gin.Default()
+	//router := gin.Default()
 
-	router.GET("/version", func(c *gin.Context) {
-		PVEVersion, err := client.Version()
-		if err != nil {
-			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
-		} else {
-			c.JSON(http.StatusOK, gin.H{"api-version": APIVersion, "pve-version": PVEVersion})
-		}
-	})
+	start := time.Now()
+	cluster := Cluster{}
+	cluster.Init(client)
+	cluster.Rebuild()
+	elapsed := time.Since(start)
 
-	router.GET("/nodes/:node", func(c *gin.Context) {
-		Node, err := client.Node(c.Param("node"))
-		if err != nil {
-			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
-		} else {
-			c.JSON(http.StatusOK, gin.H{"node": Node})
-		}
-	})
+	fmt.Println(cluster)
+	fmt.Println(elapsed)
 
-	router.Run("0.0.0.0:" + strconv.Itoa(config.ListenPort))
+	/*
+		router.GET("/version", func(c *gin.Context) {
+			PVEVersion, err := client.Version()
+			if err != nil {
+				c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			} else {
+				c.JSON(http.StatusOK, gin.H{"api-version": APIVersion, "pve-version": PVEVersion})
+			}
+		})
+
+		router.GET("/nodes/:node", func(c *gin.Context) {
+			Node, err := client.Node(c.Param("node"))
+			if err != nil {
+				c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			} else {
+				c.JSON(http.StatusOK, gin.H{"node": Node})
+			}
+		})
+
+		router.Run("0.0.0.0:" + strconv.Itoa(config.ListenPort))
+	*/
 }
diff --git a/app/model.go b/app/model.go
new file mode 100644
index 0000000..873437d
--- /dev/null
+++ b/app/model.go
@@ -0,0 +1,214 @@
+package app
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+)
+
+type Cluster struct {
+	pve   ProxmoxClient
+	Hosts map[string]*Host
+	//Instance map[uint]*Instance
+}
+
+func (cluster *Cluster) Init(pve ProxmoxClient) {
+	cluster.pve = pve
+}
+
+func (cluster *Cluster) Rebuild() error {
+	cluster.Hosts = make(map[string]*Host)
+	//cluster.Instance = make(map[uint]*Instance)
+
+	// get all nodes
+	nodes, err := cluster.pve.Nodes()
+	if err != nil {
+		return err
+	}
+	// for each node:
+	for _, hostName := range nodes {
+		// rebuild node
+		err := cluster.RebuildNode(hostName)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func (cluster *Cluster) RebuildNode(hostName string) error {
+	host, err := cluster.pve.Node(hostName)
+	if err != nil {
+		return err
+	}
+	cluster.Hosts[hostName] = &host
+
+	// get node's VMs
+	vms, err := host.VirtualMachines()
+	if err != nil {
+		return err
+	}
+	for _, vmid := range vms {
+		err := host.RebuildVM(vmid)
+		if err != nil {
+			return err
+		}
+	}
+
+	// get node's CTs
+	cts, err := host.Containers()
+	if err != nil {
+		return err
+	}
+	for _, vmid := range cts {
+		err := host.RebuildCT(vmid)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func (host *Host) RebuildVM(vmid uint) error {
+	instance, err := host.VirtualMachine(vmid)
+	if err != nil {
+		return err
+	}
+
+	host.Instance[vmid] = &instance
+
+	for volid := range instance.configDisks {
+		instance.RebuildVolume(host, volid)
+	}
+
+	for netid := range instance.configNets {
+		instance.RebuildNet(netid)
+	}
+
+	return nil
+}
+
+func (host *Host) RebuildCT(vmid uint) error {
+	instance, err := host.Container(vmid)
+	if err != nil {
+		return err
+	}
+
+	host.Instance[vmid] = &instance
+
+	for volid := range instance.configDisks {
+		instance.RebuildVolume(host, volid)
+	}
+
+	for netid := range instance.configNets {
+		instance.RebuildNet(netid)
+	}
+
+	return nil
+}
+
+func (instance *Instance) RebuildVolume(host *Host, volid string) error {
+	volumeDataString := instance.configDisks[volid]
+
+	volume, _, _, err := GetVolumeInfo(*host, volumeDataString)
+	if err != nil {
+		return err
+	}
+
+	instance.Volume[volid] = &volume
+
+	return nil
+}
+
+func (instance *Instance) RebuildNet(netid string) error {
+	net := instance.configNets[netid]
+	idnum, err := strconv.ParseUint(strings.TrimPrefix(netid, "net"), 10, 64)
+	if err != nil {
+		return err
+	}
+
+	netinfo, err := GetNetInfo(net)
+	if err != nil {
+		return nil
+	}
+
+	instance.Net[uint(idnum)] = &netinfo
+
+	return nil
+}
+
+func (cluster Cluster) String() string {
+	r := ""
+	for _, host := range cluster.Hosts {
+		r += host.String()
+	}
+	return r
+}
+
+func (host Host) String() string {
+	r := fmt.Sprintf("%s\n\tCores:\t%s\n\tMemory:\t%s\n\tSwap:\t%s\n", host.Name, host.Cores, host.Memory, host.Swap)
+
+	r += "\tHardware:\n"
+
+	for _, superdevice := range host.Hardware {
+		r += fmt.Sprintf("%s\n", superdevice)
+	}
+
+	r += "\tInstances:\n"
+
+	for vmid, vm := range host.Instance {
+		r += fmt.Sprintf("\t\t%d: %s\n", vmid, vm)
+	}
+
+	return r
+}
+
+func (r Resource) String() string {
+	return fmt.Sprintf("Totl: %d, Rsrv: %d, Free: %d", r.Total, r.Reserved, r.Free)
+}
+
+func (superdevice HostSuperDevice) String() string {
+	s := fmt.Sprintf("\t\t%s: %s %s -> ", superdevice.BusID, superdevice.VendorName, superdevice.DeviceName)
+	numunused := 0
+	for _, device := range superdevice.Devices {
+		if device.Reserved {
+			s += fmt.Sprintf("%s:(Rsrv %t, %s %s: %s %s)", device.SubID, device.Reserved, superdevice.VendorName, device.SubVendorName, superdevice.DeviceName, device.SubDeviceName)
+		} else {
+			numunused++
+		}
+	}
+	s += fmt.Sprintf("+%d unreserved subdevices", numunused)
+	return s
+}
+
+func (i Instance) String() string {
+	if i.Type == VM {
+		r := fmt.Sprintf("VM, Name: %s, Proctype: %s, Cores: %d, Memory: %d\n", i.Name, i.Proctype, i.Cores, i.Memory)
+		for k, v := range i.Volume {
+			r += fmt.Sprintf("\t\t\t%s: %s\n", k, v)
+		}
+		for k, v := range i.Net {
+			r += fmt.Sprintf("\t\t\tnet%d: %s\n", k, v)
+		}
+		return r
+	} else {
+		r := fmt.Sprintf("CT, Name: %s, Cores: %d, Memory: %d, Swap: %d\n", i.Name, i.Cores, i.Memory, i.Swap)
+		for k, v := range i.Volume {
+			r += fmt.Sprintf("\t\t\t%s: %s\n", k, v)
+		}
+		for k, v := range i.Net {
+			r += fmt.Sprintf("\t\t\tnet%d: %s\n", k, v)
+		}
+		return r
+	}
+}
+
+func (v Volume) String() string {
+	return fmt.Sprintf("id: %s, format: %s, size: %d", v.Volid, v.Format, v.Size)
+}
+
+func (n Net) String() string {
+	return fmt.Sprintf("rate: %d, vlan: %d", n.Rate, n.VLAN)
+}
diff --git a/app/proxmox.go b/app/proxmox.go
index 70f91ef..fdc45c7 100644
--- a/app/proxmox.go
+++ b/app/proxmox.go
@@ -5,6 +5,7 @@ import (
 	"crypto/tls"
 	"fmt"
 	"net/http"
+	"strconv"
 	"strings"
 
 	"github.com/luthermonson/go-proxmox"
@@ -14,6 +15,14 @@ type ProxmoxClient struct {
 	client *proxmox.Client
 }
 
+type PVEDevice struct {
+	BusID               string `json:"id"`
+	DeviceName          string `json:"device_name"`
+	VendorName          string `json:"vendor_name"`
+	SubsystemDeviceName string `json:"subsystem_device_name"`
+	SubsystemVendorName string `json:"subsystem_vendor_name"`
+}
+
 func NewClient(token string, secret string) ProxmoxClient {
 	HTTPClient := http.Client{
 		Transport: &http.Transport{
@@ -23,8 +32,6 @@ func NewClient(token string, secret string) ProxmoxClient {
 		},
 	}
 
-	println(token, secret)
-
 	client := proxmox.NewClient("https://pve.tronnet.net/api2/json",
 		proxmox.WithHTTPClient(&HTTPClient),
 		proxmox.WithAPIToken(token, secret),
@@ -42,86 +49,216 @@ func (pve ProxmoxClient) Version() (proxmox.Version, error) {
 	return *version, err
 }
 
-// Gets and returns a Node's CPU, memory, swap, and Hardware (PCI) resources
+// Gets all Nodes names
+func (pve ProxmoxClient) Nodes() ([]string, error) {
+	nodes, err := pve.client.Nodes(context.Background())
+	if err != nil {
+		return nil, err
+	}
+
+	names := []string{}
+	for _, node := range nodes {
+		names = append(names, node.Node)
+	}
+
+	return names, nil
+}
+
+// Gets a Node's resources but does not recursively expand instances
 func (pve ProxmoxClient) Node(nodeName string) (Host, error) {
 	host := Host{}
-	host.Hardware = make(map[string]Device)
+	host.Hardware = make(map[string]*HostSuperDevice)
+	host.Instance = make(map[uint]*Instance)
 
 	node, err := pve.client.Node(context.Background(), nodeName)
 	if err != nil {
 		return host, err
 	}
 
-	devices := []Device{}
+	devices := []PVEDevice{}
 	err = pve.client.Get(context.Background(), fmt.Sprintf("/nodes/%s/hardware/pci", nodeName), &devices)
 	if err != nil {
 		return host, err
 	}
 
-	vms, err := node.VirtualMachines(context.Background())
-	if err != nil {
-		return host, err
-	}
-
-	cts, err := node.Containers(context.Background())
-	if err != nil {
-		return host, err
-	}
-
-	// temporary helper which maps supersystem devices to each contained subsystem
+	// map supersystem devices to each contained subsystem
 	// eg 0000:00:05 -> [0000:00:05.0, 0000:00:05.1, 0000:00:05.2, 0000:00:05.3, ...]
-	DeviceSubsystemMap := make(map[string][]string)
 	for _, device := range devices {
-		host.Hardware[device.BusID] = device
-		SupersystemID := strings.Split(device.BusID, ".")[0]
-		DeviceSubsystemMap[SupersystemID] = append(DeviceSubsystemMap[SupersystemID], device.BusID)
-	}
-
-	host.Name = node.Name
-	host.Cores.Total = int64(node.CPUInfo.CPUs)
-	host.Memory.Total = int64(node.Memory.Total)
-	host.Swap.Total = int64(node.Swap.Total)
-
-	for _, vm := range vms {
-		vm, err := node.VirtualMachine(context.Background(), int(vm.VMID))
+		SupersystemID, SubsystemID, err := SplitDeviceBusID(device.BusID)
 		if err != nil {
 			return host, err
 		}
 
-		host.Cores.Reserved += int64(vm.VirtualMachineConfig.Cores)
-		host.Memory.Reserved += int64(vm.VirtualMachineConfig.Memory * MiB)
+		if host.Hardware[SupersystemID] == nil {
+			host.Hardware[SupersystemID] = &HostSuperDevice{
+				BusID:      SupersystemID,
+				DeviceName: device.DeviceName,
+				VendorName: device.VendorName,
+				Devices:    make(map[string]*HostDevice),
+			}
+		}
 
-		MarshallVirtualMachineConfig(vm.VirtualMachineConfig)
-
-		for _, v := range vm.VirtualMachineConfig.HostPCIs {
-			HostPCIBusID := strings.Split(v, ",")[0]
-			if device, ok := host.Hardware[HostPCIBusID]; ok { // is a specific subsystem of device
-				device.Reserved = true
-				host.Hardware[HostPCIBusID] = device
-			} else if SubsystemBusIDs, ok := DeviceSubsystemMap[HostPCIBusID]; ok { // is a supersystem device containing multiple subsystems
-				for _, SubsystemBusID := range SubsystemBusIDs {
-					device := host.Hardware[SubsystemBusID]
-					device.Reserved = true
-					host.Hardware[SubsystemBusID] = device
-				}
+		if !DeviceBusIDIsSuperDevice(device.BusID) {
+			host.Hardware[SupersystemID].Devices[SubsystemID] = &HostDevice{
+				SubID:         SubsystemID,
+				SubDeviceName: device.SubsystemDeviceName,
+				SubVendorName: device.SubsystemVendorName,
 			}
 		}
 	}
 
-	for _, ct := range cts {
-		ct, err := node.Container(context.Background(), int(ct.VMID))
-		if err != nil {
-			return host, err
-		}
-
-		host.Cores.Reserved += int64(ct.ContainerConfig.Cores)
-		host.Memory.Reserved += int64(ct.ContainerConfig.Memory * MiB)
-		host.Swap.Reserved += int64(ct.ContainerConfig.Swap * MiB)
-	}
-
-	host.Cores.Free = host.Cores.Total - host.Cores.Reserved
-	host.Memory.Free = host.Memory.Total - host.Memory.Reserved
-	host.Swap.Free = host.Swap.Total - host.Swap.Reserved
+	host.Name = node.Name
+	host.Cores.Total = uint64(node.CPUInfo.CPUs)
+	host.Memory.Total = uint64(node.Memory.Total)
+	host.Swap.Total = uint64(node.Swap.Total)
+	host.node = node
 
 	return host, err
 }
+
+// Get all VM IDs on specified host
+func (host Host) VirtualMachines() ([]uint, error) {
+	vms, err := host.node.VirtualMachines(context.Background())
+	if err != nil {
+		return nil, err
+	}
+	ids := []uint{}
+	for _, vm := range vms {
+		ids = append(ids, uint(vm.VMID))
+	}
+	return ids, nil
+}
+
+// Get a VM's CPU, Memory but does not recursively link Devices, Disks, Drives, Nets
+func (host Host) VirtualMachine(VMID uint) (Instance, error) {
+	instance := Instance{}
+	vm, err := host.node.VirtualMachine(context.Background(), int(VMID))
+	if err != nil {
+		return instance, err
+	}
+
+	config := vm.VirtualMachineConfig
+	config.HostPCIs = config.MergeHostPCIs()
+	instance.configNets = config.MergeNets()
+	instance.configDisks = MergeVMDisksAndUnused(config)
+
+	instance.config = config
+	instance.Type = VM
+
+	instance.Name = vm.Name
+	instance.Proctype = vm.VirtualMachineConfig.CPU
+	instance.Cores = uint64(vm.VirtualMachineConfig.Cores)
+	instance.Memory = uint64(vm.VirtualMachineConfig.Memory) * MiB
+	instance.Volume = make(map[string]*Volume)
+	instance.Net = make(map[uint]*Net)
+	instance.Device = make(map[uint]*InstanceDevice)
+
+	return instance, nil
+}
+
+func MergeVMDisksAndUnused(vmc *proxmox.VirtualMachineConfig) map[string]string {
+	mergedDisks := vmc.MergeDisks()
+	for k, v := range vmc.MergeUnuseds() {
+		mergedDisks[k] = v
+	}
+	return mergedDisks
+}
+
+// Get all CT IDs on specified host
+func (host Host) Containers() ([]uint, error) {
+	cts, err := host.node.Containers(context.Background())
+	if err != nil {
+		return nil, err
+	}
+	ids := []uint{}
+	for _, ct := range cts {
+		ids = append(ids, uint(ct.VMID))
+	}
+	return ids, nil
+}
+
+// Get a CT's CPU, Memory, Swap but does not recursively link Devices, Disks, Drives, Nets
+func (host Host) Container(VMID uint) (Instance, error) {
+	instance := Instance{}
+	ct, err := host.node.Container(context.Background(), int(VMID))
+	if err != nil {
+		return instance, err
+	}
+
+	config := ct.ContainerConfig
+	instance.configNets = config.MergeNets()
+	instance.configDisks = MergeCTDisksAndUnused(config)
+
+	instance.config = config
+	instance.Type = CT
+
+	instance.Name = ct.Name
+	instance.Cores = uint64(ct.ContainerConfig.Cores)
+	instance.Memory = uint64(ct.ContainerConfig.Memory) * MiB
+	instance.Swap = uint64(ct.ContainerConfig.Swap) * MiB
+	instance.Volume = make(map[string]*Volume)
+	instance.Net = make(map[uint]*Net)
+
+	return instance, nil
+}
+
+func MergeCTDisksAndUnused(cc *proxmox.ContainerConfig) map[string]string {
+	mergedDisks := make(map[string]string)
+	for k, v := range cc.MergeUnuseds() {
+		mergedDisks[k] = v
+	}
+	for k, v := range cc.MergeMps() {
+		mergedDisks[k] = v
+	}
+	mergedDisks["rootfs"] = cc.RootFS
+	return mergedDisks
+}
+
+// get volume fornmat, size, volumeid, and storageid from instance volume data string (eg: local:100/vm-100-disk-0.raw ... )
+func GetVolumeInfo(host Host, volume string) (Volume, string, string, error) {
+	volumeData := Volume{}
+
+	storageID := strings.Split(volume, ":")[0]
+	volumeID := strings.Split(volume, ",")[0]
+	storage, err := host.node.Storage(context.Background(), storageID)
+	if err != nil {
+		return volumeData, volumeID, storageID, nil
+	}
+
+	content, err := storage.GetContent(context.Background())
+	if err != nil {
+		return volumeData, volumeID, storageID, nil
+	}
+
+	for _, c := range content {
+		if c.Volid == volumeID {
+			volumeData.Format = c.Format
+			volumeData.Size = uint64(c.Size)
+			volumeData.Volid = volumeID
+		}
+	}
+
+	return volumeData, volumeID, storageID, nil
+}
+
+func GetNetInfo(net string) (Net, error) {
+	n := Net{}
+
+	for _, val := range strings.Split(net, ",") {
+		if strings.HasPrefix(val, "rate=") {
+			rate, err := strconv.ParseUint(strings.TrimPrefix(val, "rate="), 10, 64)
+			if err != nil {
+				return n, err
+			}
+			n.Rate = rate
+		} else if strings.HasPrefix(val, "tag=") {
+			vlan, err := strconv.ParseUint(strings.TrimPrefix(val, "tag="), 10, 64)
+			if err != nil {
+				return n, err
+			}
+			n.VLAN = vlan
+		}
+	}
+
+	return n, nil
+}
diff --git a/app/types.go b/app/types.go
index b643992..1a8aa98 100644
--- a/app/types.go
+++ b/app/types.go
@@ -1,9 +1,11 @@
 package app
 
+import "github.com/luthermonson/go-proxmox"
+
 type Resource struct { // number of virtual cores (usually threads)
-	Reserved int64
-	Free     int64
-	Total    int64
+	Reserved uint64
+	Free     uint64
+	Total    uint64
 }
 
 type Host struct {
@@ -11,47 +13,88 @@ type Host struct {
 	Cores    Resource
 	Memory   Resource
 	Swap     Resource
-	Storage  map[string]Storage
-	Hardware map[string]Device
+	Hardware map[string]*HostSuperDevice
+	//QEMU     map[uint]*QEMUInstance
+	//LXC      map[uint]*LXCInstance
+	Instance map[uint]*Instance
+	node     *proxmox.Node
 }
 
-type Storage struct{}
-
+/*
 type QEMUInstance struct {
 	Name     string
 	Proctype string
-	Cores    Resource
-	Memory   Resource
-	Drive    map[int]Volume
-	Disk     map[int]Volume
-	Net      map[int]Net
-	Device   map[int]Device
+	Cores    uint64
+	Memory   uint64
+	Drive    map[uint]*Volume
+	Disk     map[uint]*Volume
+	Net      map[uint]*Net
+	Device   map[uint]*InstanceDevice
+	vm       *proxmox.VirtualMachine
 }
 
 type LXCInstance struct {
 	Name     string
-	Cores    Resource
-	Memory   Resource
-	Swap     Resource
-	RootDisk Volume
-	MP       map[int]Volume
-	Net      map[int]Net
+	Cores    uint64
+	Memory   uint64
+	Swap     uint64
+	RootDisk *Volume
+	MP       map[uint]*Volume
+	Net      map[uint]*Net
+	ct       *proxmox.Container
+}
+*/
+
+type InstanceType bool
+
+const (
+	VM InstanceType = true
+	CT InstanceType = false
+)
+
+type Instance struct {
+	Type        InstanceType
+	Name        string
+	Proctype    string
+	Cores       uint64
+	Memory      uint64
+	Swap        uint64
+	Volume      map[string]*Volume
+	Net         map[uint]*Net
+	Device      map[uint]*InstanceDevice
+	config      interface{}
+	configDisks map[string]string
+	configNets  map[string]string
+	proxmox.ContainerInterface
 }
 
 type Volume struct {
-	Format string
 	Path   string
-	Size   string
-	Used   string
+	Format string
+	Size   uint64
+	Volid  string
 }
 
-type Net struct{}
-
-type Device struct {
-	BusID               string `json:"id"`
-	DeviceName          string `json:"device_name"`
-	VendorName          string `json:"vendor_name"`
-	SubsystemDeviceName string `json:"subsystem_device_name"`
-	SubsystemVendorName string `json:"subsystem_vendor_name"`
-	Reserved            bool
+type Net struct {
+	Rate uint64
+	VLAN uint64
+}
+
+type InstanceDevice struct {
+	Device []*HostDevice
+	PCIE   bool
+}
+
+type HostSuperDevice struct {
+	BusID      string
+	DeviceName string
+	VendorName string
+	Devices    map[string]*HostDevice
+}
+
+type HostDevice struct {
+	SubID         string
+	SubDeviceName string
+	SubVendorName string
+	Reserved      bool
 }
diff --git a/app/utils.go b/app/utils.go
index 3585045..980e56b 100644
--- a/app/utils.go
+++ b/app/utils.go
@@ -2,10 +2,10 @@ package app
 
 import (
 	"encoding/json"
+	"fmt"
 	"log"
 	"os"
-
-	"github.com/luthermonson/go-proxmox"
+	"strings"
 )
 
 const MiB = 1024 * 1024
@@ -35,16 +35,38 @@ func GetConfig(configPath string) Config {
 	return config
 }
 
-func MarshallVirtualMachineConfig(v *proxmox.VirtualMachineConfig) {
-	v.HostPCIs = make(map[string]string)
-	v.HostPCIs["hostpci0"] = v.HostPCI0
-	v.HostPCIs["hostpci1"] = v.HostPCI1
-	v.HostPCIs["hostpci2"] = v.HostPCI2
-	v.HostPCIs["hostpci3"] = v.HostPCI3
-	v.HostPCIs["hostpci4"] = v.HostPCI4
-	v.HostPCIs["hostpci5"] = v.HostPCI5
-	v.HostPCIs["hostpci6"] = v.HostPCI6
-	v.HostPCIs["hostpci7"] = v.HostPCI7
-	v.HostPCIs["hostpci8"] = v.HostPCI8
-	v.HostPCIs["hostpci9"] = v.HostPCI9
+// finds the first substring r in s such that s = ... a r b ...
+func FindSubstringBetween(s string, a string, b string) (string, error) {
+	x := strings.Split(s, a)
+	if len(x) <= 2 {
+		return "", fmt.Errorf("%s not found in %s", a, s)
+	}
+
+	y := strings.Split(x[1], b)
+	if len(y) <= 2 {
+		return "", fmt.Errorf("%s not found in %s", b, s)
+	}
+
+	return y[0], nil
+}
+
+// returns if a device pcie bus id is a super device or subsystem device
+//
+// subsystem devices always has the format xxxx:yy.z, whereas super devices have the format xxxx:yy
+func DeviceBusIDIsSuperDevice(BusID string) bool {
+	return !strings.ContainsRune(BusID, '.')
+}
+
+// splits a device pcie bus id into super device and subsystem device IDs if possible
+func SplitDeviceBusID(BusID string) (string, string, error) {
+	if DeviceBusIDIsSuperDevice(BusID) {
+		return BusID, "", nil
+	} else {
+		x := strings.Split(BusID, ".")
+		if len(x) != 2 {
+			return "", "", fmt.Errorf("BusID: %s contained more than one '.'", BusID)
+		} else {
+			return x[0], x[1], nil
+		}
+	}
 }
diff --git a/go.mod b/go.mod
index e4e4924..73a99dd 100644
--- a/go.mod
+++ b/go.mod
@@ -4,51 +4,15 @@ go 1.23
 
 toolchain go1.23.2
 
-require (
-	github.com/gin-gonic/gin v1.10.0
-	github.com/luthermonson/go-proxmox v0.2.0
-)
+require github.com/luthermonson/go-proxmox v0.2.0
 
 require (
 	github.com/buger/goterm v1.0.4 // indirect
-	github.com/bytedance/sonic v1.12.3 // indirect
-	github.com/bytedance/sonic/loader v0.2.0 // indirect
-	github.com/cloudwego/base64x v0.1.4 // indirect
-	github.com/cloudwego/iasm v0.2.0 // indirect
 	github.com/diskfs/go-diskfs v1.4.2 // indirect
 	github.com/djherbis/times v1.6.0 // indirect
-	github.com/elliotwutingfeng/asciiset v0.0.0-20230602022725-51bbb787efab // indirect
-	github.com/gabriel-vasile/mimetype v1.4.6 // indirect
-	github.com/gin-contrib/sse v0.1.0 // indirect
-	github.com/go-playground/locales v0.14.1 // indirect
-	github.com/go-playground/universal-translator v0.18.1 // indirect
-	github.com/go-playground/validator/v10 v10.22.1 // indirect
-	github.com/goccy/go-json v0.10.3 // indirect
-	github.com/google/uuid v1.3.0 // indirect
 	github.com/gorilla/websocket v1.5.3 // indirect
 	github.com/jinzhu/copier v0.4.0 // indirect
-	github.com/json-iterator/go v1.1.12 // indirect
-	github.com/klauspost/compress v1.17.4 // indirect
-	github.com/klauspost/cpuid/v2 v2.2.8 // indirect
-	github.com/knz/go-libedit v1.10.1 // indirect
-	github.com/leodido/go-urn v1.4.0 // indirect
 	github.com/magefile/mage v1.15.0 // indirect
-	github.com/mattn/go-isatty v0.0.20 // indirect
-	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
-	github.com/modern-go/reflect2 v1.0.2 // indirect
-	github.com/pelletier/go-toml/v2 v2.2.3 // indirect
-	github.com/pierrec/lz4/v4 v4.1.17 // indirect
-	github.com/pkg/xattr v0.4.9 // indirect
-	github.com/sirupsen/logrus v1.9.4-0.20230606125235-dd1b4c2e81af // indirect
-	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
-	github.com/ugorji/go/codec v1.2.12 // indirect
-	github.com/ulikunitz/xz v0.5.11 // indirect
-	golang.org/x/arch v0.11.0 // indirect
-	golang.org/x/crypto v0.28.0 // indirect
-	golang.org/x/net v0.30.0 // indirect
+	github.com/stretchr/testify v1.9.0 // indirect
 	golang.org/x/sys v0.26.0 // indirect
-	golang.org/x/text v0.19.0 // indirect
-	google.golang.org/protobuf v1.35.1 // indirect
-	gopkg.in/djherbis/times.v1 v1.3.0 // indirect
-	gopkg.in/yaml.v3 v3.0.1 // indirect
 )