constellation/internal/cloud/azure/scaleset_test.go
2022-09-22 09:10:19 +02:00

358 lines
12 KiB
Go

/*
Copyright (c) Edgeless Systems GmbH
SPDX-License-Identifier: AGPL-3.0-only
*/
package azure
import (
"context"
"errors"
"testing"
"github.com/Azure/azure-sdk-for-go/sdk/azcore/to"
armcomputev2 "github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/compute/armcompute/v2"
"github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/network/armnetwork"
"github.com/edgelesssys/constellation/v2/internal/cloud/metadata"
"github.com/edgelesssys/constellation/v2/internal/role"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestGetScaleSetVM(t *testing.T) {
wantInstance := metadata.InstanceMetadata{
Name: "scale-set-name-instance-id",
ProviderID: "azure:///subscriptions/subscription-id/resourceGroups/resource-group/providers/Microsoft.Compute/virtualMachineScaleSets/scale-set-name/virtualMachines/instance-id",
VPCIP: "192.0.2.0",
SSHKeys: map[string][]string{"user": {"key-data"}},
}
testCases := map[string]struct {
providerID string
networkInterfacesAPI networkInterfacesAPI
virtualMachineScaleSetVMsAPI virtualMachineScaleSetVMsAPI
wantErr bool
wantInstance metadata.InstanceMetadata
}{
"getVM for scale set instance works": {
providerID: "azure:///subscriptions/subscription-id/resourceGroups/resource-group/providers/Microsoft.Compute/virtualMachineScaleSets/scale-set-name/virtualMachines/instance-id",
networkInterfacesAPI: newNetworkInterfacesStub(),
virtualMachineScaleSetVMsAPI: newVirtualMachineScaleSetsVMsStub(),
wantInstance: wantInstance,
},
"getVM for individual instance must fail": {
providerID: "azure:///subscriptions/subscription-id/resourceGroups/resource-group/providers/Microsoft.Compute/virtualMachines/instance-name",
wantErr: true,
},
"Get fails": {
providerID: "azure:///subscriptions/subscription-id/resourceGroups/resource-group/providers/Microsoft.Compute/virtualMachineScaleSets/scale-set-name/virtualMachines/instance-id",
virtualMachineScaleSetVMsAPI: newFailingGetScaleSetVirtualMachinesStub(),
wantErr: true,
},
"conversion fails": {
providerID: "azure:///subscriptions/subscription-id/resourceGroups/resource-group/providers/Microsoft.Compute/virtualMachineScaleSets/scale-set-name/virtualMachines/instance-id",
virtualMachineScaleSetVMsAPI: newGetInvalidScaleSetVirtualMachinesStub(),
networkInterfacesAPI: newNetworkInterfacesStub(),
wantErr: true,
},
}
for name, tc := range testCases {
t.Run(name, func(t *testing.T) {
assert := assert.New(t)
require := require.New(t)
metadata := Metadata{
networkInterfacesAPI: tc.networkInterfacesAPI,
virtualMachineScaleSetVMsAPI: tc.virtualMachineScaleSetVMsAPI,
}
instance, err := metadata.getScaleSetVM(context.Background(), tc.providerID)
if tc.wantErr {
assert.Error(err)
return
}
require.NoError(err)
assert.Equal(tc.wantInstance, instance)
})
}
}
func TestListScaleSetVMs(t *testing.T) {
wantInstances := []metadata.InstanceMetadata{
{
Name: "scale-set-name-instance-id",
ProviderID: "azure:///subscriptions/subscription-id/resourceGroups/resource-group/providers/Microsoft.Compute/virtualMachineScaleSets/scale-set-name/virtualMachines/instance-id",
VPCIP: "192.0.2.0",
SSHKeys: map[string][]string{"user": {"key-data"}},
},
}
testCases := map[string]struct {
networkInterfacesAPI networkInterfacesAPI
virtualMachineScaleSetVMsAPI virtualMachineScaleSetVMsAPI
scaleSetsAPI scaleSetsAPI
wantErr bool
wantInstances []metadata.InstanceMetadata
}{
"listVMs works": {
networkInterfacesAPI: newNetworkInterfacesStub(),
virtualMachineScaleSetVMsAPI: newVirtualMachineScaleSetsVMsStub(),
scaleSetsAPI: newScaleSetsStub(),
wantInstances: wantInstances,
},
"invalid scale sets are skipped": {
networkInterfacesAPI: newNetworkInterfacesStub(),
virtualMachineScaleSetVMsAPI: newVirtualMachineScaleSetsVMsStub(),
scaleSetsAPI: newListContainingNilScaleSetStub(),
wantInstances: wantInstances,
},
"listVMs can return 0 VMs": {
networkInterfacesAPI: newNetworkInterfacesStub(),
virtualMachineScaleSetVMsAPI: &stubVirtualMachineScaleSetVMsAPI{pager: &stubVirtualMachineScaleSetVMPager{}},
scaleSetsAPI: newScaleSetsStub(),
wantInstances: []metadata.InstanceMetadata{},
},
"can skip nil in VM list": {
networkInterfacesAPI: newNetworkInterfacesStub(),
virtualMachineScaleSetVMsAPI: newListContainingNilScaleSetVirtualMachinesStub(),
scaleSetsAPI: newScaleSetsStub(),
wantInstances: wantInstances,
},
"converting instance fails": {
networkInterfacesAPI: newNetworkInterfacesStub(),
virtualMachineScaleSetVMsAPI: newListContainingInvalidScaleSetVirtualMachinesStub(),
scaleSetsAPI: newScaleSetsStub(),
wantErr: true,
},
}
for name, tc := range testCases {
t.Run(name, func(t *testing.T) {
assert := assert.New(t)
require := require.New(t)
metadata := Metadata{
networkInterfacesAPI: tc.networkInterfacesAPI,
virtualMachineScaleSetVMsAPI: tc.virtualMachineScaleSetVMsAPI,
scaleSetsAPI: tc.scaleSetsAPI,
}
instances, err := metadata.listScaleSetVMs(context.Background(), "resource-group")
if tc.wantErr {
assert.Error(err)
return
}
require.NoError(err)
assert.ElementsMatch(tc.wantInstances, instances)
})
}
}
func TestConvertScaleSetVMToCoreInstance(t *testing.T) {
testCases := map[string]struct {
inVM armcomputev2.VirtualMachineScaleSetVM
inInterface []armnetwork.Interface
inPublicIP string
wantErr bool
wantInstance metadata.InstanceMetadata
}{
"conversion works": {
inVM: armcomputev2.VirtualMachineScaleSetVM{
Name: to.Ptr("scale-set-name_instance-id"),
ID: to.Ptr("/subscriptions/subscription-id/resourceGroups/resource-group/providers/Microsoft.Compute/virtualMachineScaleSets/scale-set-name/virtualMachines/instance-id"),
Tags: map[string]*string{"tag-key": to.Ptr("tag-value")},
Properties: &armcomputev2.VirtualMachineScaleSetVMProperties{
OSProfile: &armcomputev2.OSProfile{
ComputerName: to.Ptr("scale-set-name-instance-id"),
},
},
},
inInterface: []armnetwork.Interface{
{
Name: to.Ptr("scale-set-name_instance-id"),
ID: to.Ptr("/subscriptions/subscription-id/resourceGroups/resource-group/providers/Microsoft.Network/networkInterfaces/interface-name"),
Properties: &armnetwork.InterfacePropertiesFormat{
IPConfigurations: []*armnetwork.InterfaceIPConfiguration{
{
Properties: &armnetwork.InterfaceIPConfigurationPropertiesFormat{
Primary: to.Ptr(true),
PrivateIPAddress: to.Ptr("192.0.2.0"),
},
},
},
},
},
},
inPublicIP: "192.0.2.100",
wantInstance: metadata.InstanceMetadata{
Name: "scale-set-name-instance-id",
ProviderID: "azure:///subscriptions/subscription-id/resourceGroups/resource-group/providers/Microsoft.Compute/virtualMachineScaleSets/scale-set-name/virtualMachines/instance-id",
VPCIP: "192.0.2.0",
PublicIP: "192.0.2.100",
SSHKeys: map[string][]string{},
},
},
"invalid instance": {
inVM: armcomputev2.VirtualMachineScaleSetVM{},
wantErr: true,
},
}
for name, tc := range testCases {
t.Run(name, func(t *testing.T) {
assert := assert.New(t)
require := require.New(t)
instance, err := convertScaleSetVMToCoreInstance("scale-set", tc.inVM, tc.inInterface, tc.inPublicIP)
if tc.wantErr {
assert.Error(err)
return
}
require.NoError(err)
assert.Equal(tc.wantInstance, instance)
})
}
}
func TestExtractScaleSetVMRole(t *testing.T) {
testCases := map[string]struct {
scaleSet string
wantRole role.Role
}{
"bootstrapper role": {
scaleSet: "constellation-scale-set-controlplanes-abcd123",
wantRole: role.ControlPlane,
},
"node role": {
scaleSet: "constellation-scale-set-workers-abcd123",
wantRole: role.Worker,
},
"unknown role": {
scaleSet: "unknown",
wantRole: role.Unknown,
},
}
for name, tc := range testCases {
t.Run(name, func(t *testing.T) {
assert := assert.New(t)
role := extractScaleSetVMRole(tc.scaleSet)
assert.Equal(tc.wantRole, role)
})
}
}
func newFailingGetScaleSetVirtualMachinesStub() *stubVirtualMachineScaleSetVMsAPI {
return &stubVirtualMachineScaleSetVMsAPI{
getErr: errors.New("get err"),
}
}
func newGetInvalidScaleSetVirtualMachinesStub() *stubVirtualMachineScaleSetVMsAPI {
return &stubVirtualMachineScaleSetVMsAPI{
getVM: armcomputev2.VirtualMachineScaleSetVM{},
}
}
func newListContainingNilScaleSetVirtualMachinesStub() *stubVirtualMachineScaleSetVMsAPI {
return &stubVirtualMachineScaleSetVMsAPI{
pager: &stubVirtualMachineScaleSetVMPager{
list: []armcomputev2.VirtualMachineScaleSetVM{
{
Name: to.Ptr("scale-set-name_instance-id"),
ID: to.Ptr("/subscriptions/subscription-id/resourceGroups/resource-group/providers/Microsoft.Compute/virtualMachineScaleSets/scale-set-name/virtualMachines/instance-id"),
InstanceID: to.Ptr("instance-id"),
Tags: map[string]*string{
"tag-key": to.Ptr("tag-value"),
},
Properties: &armcomputev2.VirtualMachineScaleSetVMProperties{
NetworkProfile: &armcomputev2.NetworkProfile{
NetworkInterfaces: []*armcomputev2.NetworkInterfaceReference{
{
ID: to.Ptr("/subscriptions/subscription-id/resourceGroups/resource-group/providers/Microsoft.Compute/virtualMachineScaleSets/scale-set-name/virtualMachines/instance-id/networkInterfaces/interface-name"),
},
},
},
OSProfile: &armcomputev2.OSProfile{
ComputerName: to.Ptr("scale-set-name-instance-id"),
LinuxConfiguration: &armcomputev2.LinuxConfiguration{
SSH: &armcomputev2.SSHConfiguration{
PublicKeys: []*armcomputev2.SSHPublicKey{
{
KeyData: to.Ptr("key-data"),
Path: to.Ptr("/home/user/.ssh/authorized_keys"),
},
},
},
},
},
},
},
},
},
}
}
func newListContainingInvalidScaleSetVirtualMachinesStub() *stubVirtualMachineScaleSetVMsAPI {
return &stubVirtualMachineScaleSetVMsAPI{
pager: &stubVirtualMachineScaleSetVMPager{
list: []armcomputev2.VirtualMachineScaleSetVM{
{
InstanceID: to.Ptr("instance-id"),
Properties: &armcomputev2.VirtualMachineScaleSetVMProperties{
OSProfile: &armcomputev2.OSProfile{},
NetworkProfile: &armcomputev2.NetworkProfile{
NetworkInterfaces: []*armcomputev2.NetworkInterfaceReference{
{
ID: to.Ptr("/subscriptions/subscription-id/resourceGroups/resource-group/providers/Microsoft.Compute/virtualMachineScaleSets/scale-set-name/virtualMachines/instance-id/networkInterfaces/interface-name"),
},
},
},
},
},
},
},
}
}
func newListContainingNilScaleSetStub() *stubScaleSetsAPI {
return &stubScaleSetsAPI{
pager: &stubVirtualMachineScaleSetsClientListPager{
list: []armcomputev2.VirtualMachineScaleSet{{Name: to.Ptr("scale-set-name")}},
},
}
}
func TestImageReferenceFromImage(t *testing.T) {
testCases := map[string]struct {
img string
wantID *string
wantCommunityID *string
}{
"ID": {
img: "/subscriptions/0d202bbb-4fa7-4af8-8125-58c269a05435/resourceGroups/constellation-images/providers/Microsoft.Compute/galleries/Constellation/images/constellation/versions/1.5.0",
wantID: to.Ptr("/subscriptions/0d202bbb-4fa7-4af8-8125-58c269a05435/resourceGroups/constellation-images/providers/Microsoft.Compute/galleries/Constellation/images/constellation/versions/1.5.0"),
wantCommunityID: nil,
},
"Community": {
img: "/CommunityGalleries/ConstellationCVM-728bd310-e898-4450-a1ed-21cf2fb0d735/Images/feat-azure-cvm-sharing/Versions/2022.0826.084922",
wantID: nil,
wantCommunityID: to.Ptr("/CommunityGalleries/ConstellationCVM-728bd310-e898-4450-a1ed-21cf2fb0d735/Images/feat-azure-cvm-sharing/Versions/2022.0826.084922"),
},
}
for name, tc := range testCases {
t.Run(name, func(t *testing.T) {
assert := assert.New(t)
ref := ImageReferenceFromImage(tc.img)
assert.Equal(tc.wantID, ref.ID)
assert.Equal(tc.wantCommunityID, ref.CommunityGalleryImageID)
})
}
}