Reduce some clutter in v1a2 Status.Network

Try to not show interfaces and IPs that aren't informative. On TKG
nodes especially there will a lot of pseudo interface and routes
that just make the output hard to read.

This is just the first pass and we'll likely need more refinement
later.

pkg/vmprovider/providers/vsphere2/vmlifecycle/update_status.go

@@ -143,9 +143,9 @@ func getGuestNetworkStatus(guestInfo *types.GuestInfo) *vmopv1.VirtualMachineNet
 		}
 	}
 
-	if len(guestInfo.Net) > 0 {
-		status.Interfaces = make([]vmopv1.VirtualMachineNetworkInterfaceStatus, 0, len(guestInfo.Net))
-		for i := range guestInfo.Net {
+	for i := range guestInfo.Net {
+		// Skip pseudo devices.
+		if guestInfo.Net[i].DeviceConfigId != -1 {
 			status.Interfaces = append(status.Interfaces, guestNicInfoToInterfaceStatus(i, &guestInfo.Net[i]))
 		}
 	}
@@ -161,7 +161,6 @@ func guestNicInfoToInterfaceStatus(idx int, guestNicInfo *types.GuestNicInfo) vm
 	status := vmopv1.VirtualMachineNetworkInterfaceStatus{}
 
 	// TODO: What name exactly? The CRD name may be the most useful here but hard to line that up.
-	// BMV: DeviceConfigId will be -1 for our pseudo-y interfaces. Most likely want to just skip those devices.
 	status.Name = fmt.Sprintf("nic-%d-%d", idx, guestNicInfo.DeviceConfigId)
 	status.IP.MACAddr = guestNicInfo.MacAddress
 
@@ -267,9 +266,31 @@ func convertNetIPRouteConfigInfo(routeConfig *types.NetIpRouteConfigInfo) []vmop
 		return nil
 	}
 
-	// TODO: Prob only want to show default routes. Will be very verbose on TKG nodes.
-	out := make([]vmopv1.VirtualMachineNetworkIPRouteStatus, 0, len(routeConfig.IpRoute))
+	// Try to skip uninteresting routes so the Status isn't as cluttered.
+	// Otherwise, TKG nodes will have a lot of routes.
+	skipRoute := func(ipRoute types.NetIpRouteConfigInfoIpRoute) bool {
+		network, prefix := ipRoute.Network, ipRoute.PrefixLength
+
+		ip := net.ParseIP(network)
+		if ip == nil {
+			return true
+		}
+
+		if ip.To4() != nil {
+			return prefix == 32
+		}
+
+		ip6 := ip.To16()
+		return ip6 == nil || ip6.IsLinkLocalUnicast() || ip6.IsMulticast()
+	}
+
+	out := make([]vmopv1.VirtualMachineNetworkIPRouteStatus, 0, 1)
 	for _, ipRoute := range routeConfig.IpRoute {
+
+		if skipRoute(ipRoute) {
+			continue
+		}
+
 		out = append(out, vmopv1.VirtualMachineNetworkIPRouteStatus{
 			Gateway: vmopv1.VirtualMachineNetworkIPRouteGatewayStatus{
 				Device:  ipRoute.Gateway.Device,

pkg/vmprovider/providers/vsphere2/vmlifecycle/update_status_test.go

@@ -7,14 +7,127 @@ import (
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
 
+	"github.com/vmware/govmomi/object"
+	"github.com/vmware/govmomi/vim25/mo"
 	"github.com/vmware/govmomi/vim25/types"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 
 	vmopv1 "github.com/vmware-tanzu/vm-operator/api/v1alpha2"
 	conditions "github.com/vmware-tanzu/vm-operator/pkg/conditions2"
+	"github.com/vmware-tanzu/vm-operator/pkg/context"
 	"github.com/vmware-tanzu/vm-operator/pkg/vmprovider/providers/vsphere2/vmlifecycle"
+	"github.com/vmware-tanzu/vm-operator/test/builder"
 )
 
+var _ = Describe("UpdateStatus", func() {
+
+	var (
+		ctx   *builder.TestContextForVCSim
+		err   error
+		vmCtx context.VirtualMachineContextA2
+		vcVM  *object.VirtualMachine
+		vmMO  *mo.VirtualMachine
+	)
+
+	BeforeEach(func() {
+		ctx = suite.NewTestContextForVCSim(builder.VCSimTestConfig{WithV1A2: true})
+
+		vm := builder.DummyVirtualMachineA2()
+		vm.Name = "update-status-test"
+
+		vmCtx = context.VirtualMachineContextA2{
+			Context: ctx,
+			Logger:  suite.GetLogger().WithValues("vmName", vm.Name),
+			VM:      vm,
+		}
+
+		vcVM, err = ctx.Finder.VirtualMachine(ctx, "DC0_C0_RP0_VM0")
+		Expect(err).ToNot(HaveOccurred())
+
+		vmMO = &mo.VirtualMachine{}
+	})
+
+	AfterEach(func() {
+		ctx.AfterEach()
+		ctx = nil
+	})
+
+	JustBeforeEach(func() {
+		err = vmlifecycle.UpdateStatus(vmCtx, ctx.Client, vcVM, vmMO)
+		Expect(err).ToNot(HaveOccurred())
+	})
+
+	Context("Network", func() {
+
+		Context("Interfaces", func() {
+			BeforeEach(func() {
+				vmMO.Guest = &types.GuestInfo{
+					Net: []types.GuestNicInfo{
+						{
+							DeviceConfigId: -1,
+							MacAddress:     "mac-1",
+						},
+						{
+							DeviceConfigId: 4000,
+							MacAddress:     "mac-4000",
+						},
+					},
+				}
+			})
+
+			It("Skips pseudo devices", func() {
+				network := vmCtx.VM.Status.Network
+
+				Expect(network.Interfaces).To(HaveLen(1))
+				Expect(network.Interfaces[0].IP.MACAddr).To(Equal("mac-4000"))
+			})
+		})
+
+		Context("IPRoutes", func() {
+			BeforeEach(func() {
+				vmMO.Guest = &types.GuestInfo{
+					IpStack: []types.GuestStackInfo{
+						{
+							IpRouteConfig: &types.NetIpRouteConfigInfo{
+								IpRoute: []types.NetIpRouteConfigInfoIpRoute{
+									{
+										Network:      "192.168.1.0",
+										PrefixLength: 24,
+									},
+									{
+										Network:      "192.168.1.100",
+										PrefixLength: 32,
+									},
+									{
+										Network:      "fe80::",
+										PrefixLength: 64,
+									},
+									{
+										Network:      "ff00::",
+										PrefixLength: 8,
+									},
+									{
+										Network:      "e9ef:6df5:eb14:42e2:5c09:9982:a9b5:8c2b",
+										PrefixLength: 48,
+									},
+								},
+							},
+						},
+					},
+				}
+			})
+
+			It("Skips IPs", func() {
+				network := vmCtx.VM.Status.Network
+
+				Expect(network.IPRoutes).To(HaveLen(2))
+				Expect(network.IPRoutes[0].NetworkAddress).To(Equal("192.168.1.0/24"))
+				Expect(network.IPRoutes[1].NetworkAddress).To(Equal("e9ef:6df5:eb14:42e2:5c09:9982:a9b5:8c2b/48"))
+			})
+		})
+	})
+})
+
 var _ = Describe("VirtualMachineTools Status to VM Status Condition", func() {
 	Context("markVMToolsRunningStatusCondition", func() {
 		var (