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Get VM Scale Set NIC (#13283)

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Calling `*armnetwork.InterfacesClient.Get()` doesn't work for Scale Set
VM NIC, because these use a different Resource ID format.

Use `*armnetwork.InterfacesClient.GetVirtualMachineScaleSetNetworkInterface()`
instead.  This needs both the scale set name and the instance ID, so
add an `InstanceID` field to the `virtualMachine` struct.  `InstanceID`
is empty for a VM that isn't a ScaleSetVM.

Signed-off-by: Daniel Nicholls <daniel.nicholls@resdiary.com>
This commit is contained in:
daniel-resdiary 2023-12-13 12:38:16 +00:00 committed by GitHub
parent d0c2d9c0b9
commit 103133124a
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 55 additions and 13 deletions
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62
discovery/azure/azure.go
View File

@ -95,7 +95,7 @@ func CloudConfigurationFromName(name string) (cloud.Configuration, error) {
name = strings.ToUpper(name)
env, ok := environments[name]
if !ok {
return env, fmt.Errorf("There is no cloud configuration matching the name %q", name)
return env, fmt.Errorf("there is no cloud configuration matching the name %q", name)
}
return env, nil
@ -308,6 +308,7 @@ type virtualMachine struct {
Location string
OsType string
ScaleSet string
InstanceID string
Tags map[string]*string
NetworkInterfaces []string
Size string
@ -408,17 +409,31 @@ func (d *Discovery) refresh(ctx context.Context) ([]*targetgroup.Group, error) {
networkInterface = v
d.cacheHitCount.Add(1)
} else {
networkInterface, err = client.getNetworkInterfaceByID(ctx, nicID)
if err != nil {
if errors.Is(err, errorNotFound) {
level.Warn(d.logger).Log("msg", "Network interface does not exist", "name", nicID, "err", err)
} else {
ch <- target{labelSet: nil, err: err}
if vm.ScaleSet == "" {
networkInterface, err = client.getVMNetworkInterfaceByID(ctx, nicID)
if err != nil {
if errors.Is(err, errorNotFound) {
level.Warn(d.logger).Log("msg", "Network interface does not exist", "name", nicID, "err", err)
} else {
ch <- target{labelSet: nil, err: err}
}
// Get out of this routine because we cannot continue without a network interface.
return
}
// Get out of this routine because we cannot continue without a network interface.
return
d.addToCache(nicID, networkInterface)
} else {
networkInterface, err = client.getVMScaleSetVMNetworkInterfaceByID(ctx, nicID, vm.ScaleSet, vm.InstanceID)
if err != nil {
if errors.Is(err, errorNotFound) {
level.Warn(d.logger).Log("msg", "Network interface does not exist", "name", nicID, "err", err)
} else {
ch <- target{labelSet: nil, err: err}
}
// Get out of this routine because we cannot continue without a network interface.
return
}
d.addToCache(nicID, networkInterface)
}
d.addToCache(nicID, networkInterface)
}
if networkInterface.Properties == nil {
@ -626,6 +641,7 @@ func mapFromVMScaleSetVM(vm armcompute.VirtualMachineScaleSetVM, scaleSetName st
Location: *(vm.Location),
OsType: osType,
ScaleSet: scaleSetName,
InstanceID: *(vm.InstanceID),
Tags: tags,
NetworkInterfaces: networkInterfaces,
Size: size,
@ -634,9 +650,9 @@ func mapFromVMScaleSetVM(vm armcompute.VirtualMachineScaleSetVM, scaleSetName st
var errorNotFound = errors.New("network interface does not exist")
// getNetworkInterfaceByID gets the network interface.
// getVMNetworkInterfaceByID gets the network interface.
// If a 404 is returned from the Azure API, `errorNotFound` is returned.
func (client *azureClient) getNetworkInterfaceByID(ctx context.Context, networkInterfaceID string) (*armnetwork.Interface, error) {
func (client *azureClient) getVMNetworkInterfaceByID(ctx context.Context, networkInterfaceID string) (*armnetwork.Interface, error) {
r, err := newAzureResourceFromID(networkInterfaceID, client.logger)
if err != nil {
return nil, fmt.Errorf("could not parse network interface ID: %w", err)
@ -648,7 +664,27 @@ func (client *azureClient) getNetworkInterfaceByID(ctx context.Context, networkI
if errors.As(err, &responseError) && responseError.StatusCode == http.StatusNotFound {
return nil, errorNotFound
}
return nil, fmt.Errorf("Failed to retrieve Interface %v with error: %w", networkInterfaceID, err)
return nil, fmt.Errorf("failed to retrieve Interface %v with error: %w", networkInterfaceID, err)
}
return &resp.Interface, nil
}
// getVMScaleSetVMNetworkInterfaceByID gets the network interface.
// If a 404 is returned from the Azure API, `errorNotFound` is returned.
func (client *azureClient) getVMScaleSetVMNetworkInterfaceByID(ctx context.Context, networkInterfaceID, scaleSetName, instanceID string) (*armnetwork.Interface, error) {
r, err := newAzureResourceFromID(networkInterfaceID, client.logger)
if err != nil {
return nil, fmt.Errorf("could not parse network interface ID: %w", err)
}
resp, err := client.nic.GetVirtualMachineScaleSetNetworkInterface(ctx, r.ResourceGroupName, scaleSetName, instanceID, r.Name, &armnetwork.InterfacesClientGetVirtualMachineScaleSetNetworkInterfaceOptions{Expand: to.Ptr("IPConfigurations/PublicIPAddress")})
if err != nil {
var responseError *azcore.ResponseError
if errors.As(err, &responseError) && responseError.StatusCode == http.StatusNotFound {
return nil, errorNotFound
}
return nil, fmt.Errorf("failed to retrieve Interface %v with error: %w", networkInterfaceID, err)
}
return &resp.Interface, nil

6
discovery/azure/azure_test.go
View File

@ -142,6 +142,7 @@ func TestMapFromVMScaleSetVMWithEmptyTags(t *testing.T) {
vmSize := armcompute.VirtualMachineSizeTypes(size)
osType := armcompute.OperatingSystemTypesLinux
vmType := "type"
instanceID := "123"
location := "westeurope"
computerName := "computer_name"
networkProfile := armcompute.NetworkProfile{
@ -166,6 +167,7 @@ func TestMapFromVMScaleSetVMWithEmptyTags(t *testing.T) {
ID: &id,
Name: &name,
Type: &vmType,
InstanceID: &instanceID,
Location: &location,
Tags: nil,
Properties: properties,
@ -182,6 +184,7 @@ func TestMapFromVMScaleSetVMWithEmptyTags(t *testing.T) {
Tags: map[string]*string{},
NetworkInterfaces: []string{},
ScaleSet: scaleSet,
InstanceID: instanceID,
Size: size,
}
@ -197,6 +200,7 @@ func TestMapFromVMScaleSetVMWithTags(t *testing.T) {
vmSize := armcompute.VirtualMachineSizeTypes(size)
osType := armcompute.OperatingSystemTypesLinux
vmType := "type"
instanceID := "123"
location := "westeurope"
computerName := "computer_name"
tags := map[string]*string{
@ -224,6 +228,7 @@ func TestMapFromVMScaleSetVMWithTags(t *testing.T) {
ID: &id,
Name: &name,
Type: &vmType,
InstanceID: &instanceID,
Location: &location,
Tags: tags,
Properties: properties,
@ -240,6 +245,7 @@ func TestMapFromVMScaleSetVMWithTags(t *testing.T) {
Tags: tags,
NetworkInterfaces: []string{},
ScaleSet: scaleSet,
InstanceID: instanceID,
Size: size,
}