prometheus/discovery/azure/azure_test.go

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// Copyright 2015 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package azure
import (
"context"
"fmt"
"testing"
"github.com/Azure/azure-sdk-for-go/sdk/azcore/arm"
"github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/compute/armcompute/v5"
"github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/network/armnetwork/v4"
cache "github.com/Code-Hex/go-generics-cache"
"github.com/Code-Hex/go-generics-cache/policy/lru"
"github.com/go-kit/log"
"github.com/stretchr/testify/require"
"go.uber.org/goleak"
)
func TestMain(m *testing.M) {
goleak.VerifyTestMain(m,
goleak.IgnoreTopFunction("github.com/Code-Hex/go-generics-cache.(*janitor).run.func1"),
)
}
func TestMapFromVMWithEmptyTags(t *testing.T) {
id := "test"
name := "name"
size := "size"
vmSize := armcompute.VirtualMachineSizeTypes(size)
osType := armcompute.OperatingSystemTypesLinux
vmType := "type"
location := "westeurope"
computerName := "computer_name"
networkProfile := armcompute.NetworkProfile{
NetworkInterfaces: []*armcompute.NetworkInterfaceReference{},
}
properties := &armcompute.VirtualMachineProperties{
OSProfile: &armcompute.OSProfile{
ComputerName: &computerName,
},
StorageProfile: &armcompute.StorageProfile{
OSDisk: &armcompute.OSDisk{
OSType: &osType,
},
},
NetworkProfile: &networkProfile,
HardwareProfile: &armcompute.HardwareProfile{
VMSize: &vmSize,
},
}
testVM := armcompute.VirtualMachine{
ID: &id,
Name: &name,
Type: &vmType,
Location: &location,
Tags: nil,
Properties: properties,
}
expectedVM := virtualMachine{
ID: id,
Name: name,
ComputerName: computerName,
Type: vmType,
Location: location,
OsType: "Linux",
Tags: map[string]*string{},
NetworkInterfaces: []string{},
Size: size,
}
actualVM := mapFromVM(testVM)
require.Equal(t, expectedVM, actualVM)
}
func TestVMToLabelSet(t *testing.T) {
id := "/subscriptions/00000000-0000-0000-0000-000000000000/test"
name := "name"
size := "size"
vmSize := armcompute.VirtualMachineSizeTypes(size)
osType := armcompute.OperatingSystemTypesLinux
vmType := "type"
location := "westeurope"
computerName := "computer_name"
networkID := "/subscriptions/00000000-0000-0000-0000-000000000000/network1"
ipAddress := "10.20.30.40"
primary := true
networkProfile := armcompute.NetworkProfile{
NetworkInterfaces: []*armcompute.NetworkInterfaceReference{
{
ID: &networkID,
Properties: &armcompute.NetworkInterfaceReferenceProperties{Primary: &primary},
},
},
}
properties := &armcompute.VirtualMachineProperties{
OSProfile: &armcompute.OSProfile{
ComputerName: &computerName,
},
StorageProfile: &armcompute.StorageProfile{
OSDisk: &armcompute.OSDisk{
OSType: &osType,
},
},
NetworkProfile: &networkProfile,
HardwareProfile: &armcompute.HardwareProfile{
VMSize: &vmSize,
},
}
testVM := armcompute.VirtualMachine{
ID: &id,
Name: &name,
Type: &vmType,
Location: &location,
Tags: nil,
Properties: properties,
}
expectedVM := virtualMachine{
ID: id,
Name: name,
ComputerName: computerName,
Type: vmType,
Location: location,
OsType: "Linux",
Tags: map[string]*string{},
NetworkInterfaces: []string{networkID},
Size: size,
}
actualVM := mapFromVM(testVM)
require.Equal(t, expectedVM, actualVM)
cfg := DefaultSDConfig
d := &Discovery{
cfg: &cfg,
logger: log.NewNopLogger(),
cache: cache.New(cache.AsLRU[string, *armnetwork.Interface](lru.WithCapacity(5))),
}
network := armnetwork.Interface{
Name: &networkID,
Properties: &armnetwork.InterfacePropertiesFormat{
Primary: &primary,
IPConfigurations: []*armnetwork.InterfaceIPConfiguration{
{Properties: &armnetwork.InterfaceIPConfigurationPropertiesFormat{
PrivateIPAddress: &ipAddress,
}},
},
},
}
client := &mockAzureClient{
networkInterface: &network,
}
labelSet, err := d.vmToLabelSet(context.Background(), client, actualVM)
require.NoError(t, err)
require.Len(t, labelSet, 11)
}
func TestMapFromVMWithEmptyOSType(t *testing.T) {
id := "test"
name := "name"
size := "size"
vmSize := armcompute.VirtualMachineSizeTypes(size)
vmType := "type"
location := "westeurope"
computerName := "computer_name"
networkProfile := armcompute.NetworkProfile{
NetworkInterfaces: []*armcompute.NetworkInterfaceReference{},
}
properties := &armcompute.VirtualMachineProperties{
OSProfile: &armcompute.OSProfile{
ComputerName: &computerName,
},
StorageProfile: &armcompute.StorageProfile{
OSDisk: &armcompute.OSDisk{},
},
NetworkProfile: &networkProfile,
HardwareProfile: &armcompute.HardwareProfile{
VMSize: &vmSize,
},
}
testVM := armcompute.VirtualMachine{
ID: &id,
Name: &name,
Type: &vmType,
Location: &location,
Tags: nil,
Properties: properties,
}
expectedVM := virtualMachine{
ID: id,
Name: name,
ComputerName: computerName,
Type: vmType,
Location: location,
Tags: map[string]*string{},
NetworkInterfaces: []string{},
Size: size,
}
actualVM := mapFromVM(testVM)
require.Equal(t, expectedVM, actualVM)
}
func TestMapFromVMWithTags(t *testing.T) {
id := "test"
name := "name"
size := "size"
vmSize := armcompute.VirtualMachineSizeTypes(size)
osType := armcompute.OperatingSystemTypesLinux
vmType := "type"
location := "westeurope"
computerName := "computer_name"
tags := map[string]*string{
"prometheus": new(string),
}
networkProfile := armcompute.NetworkProfile{
NetworkInterfaces: []*armcompute.NetworkInterfaceReference{},
}
properties := &armcompute.VirtualMachineProperties{
OSProfile: &armcompute.OSProfile{
ComputerName: &computerName,
},
StorageProfile: &armcompute.StorageProfile{
OSDisk: &armcompute.OSDisk{
OSType: &osType,
},
},
NetworkProfile: &networkProfile,
HardwareProfile: &armcompute.HardwareProfile{
VMSize: &vmSize,
},
}
testVM := armcompute.VirtualMachine{
ID: &id,
Name: &name,
Type: &vmType,
Location: &location,
Tags: tags,
Properties: properties,
}
expectedVM := virtualMachine{
ID: id,
Name: name,
ComputerName: computerName,
Type: vmType,
Location: location,
OsType: "Linux",
Tags: tags,
NetworkInterfaces: []string{},
Size: size,
}
actualVM := mapFromVM(testVM)
require.Equal(t, expectedVM, actualVM)
}
func TestMapFromVMScaleSetVMWithEmptyTags(t *testing.T) {
id := "test"
name := "name"
size := "size"
vmSize := armcompute.VirtualMachineSizeTypes(size)
osType := armcompute.OperatingSystemTypesLinux
vmType := "type"
instanceID := "123"
location := "westeurope"
computerName := "computer_name"
networkProfile := armcompute.NetworkProfile{
NetworkInterfaces: []*armcompute.NetworkInterfaceReference{},
}
properties := &armcompute.VirtualMachineScaleSetVMProperties{
OSProfile: &armcompute.OSProfile{
ComputerName: &computerName,
},
StorageProfile: &armcompute.StorageProfile{
OSDisk: &armcompute.OSDisk{
OSType: &osType,
},
},
NetworkProfile: &networkProfile,
HardwareProfile: &armcompute.HardwareProfile{
VMSize: &vmSize,
},
}
testVM := armcompute.VirtualMachineScaleSetVM{
ID: &id,
Name: &name,
Type: &vmType,
InstanceID: &instanceID,
Location: &location,
Tags: nil,
Properties: properties,
}
scaleSet := "testSet"
expectedVM := virtualMachine{
ID: id,
Name: name,
ComputerName: computerName,
Type: vmType,
Location: location,
OsType: "Linux",
Tags: map[string]*string{},
NetworkInterfaces: []string{},
ScaleSet: scaleSet,
InstanceID: instanceID,
Size: size,
}
actualVM := mapFromVMScaleSetVM(testVM, scaleSet)
require.Equal(t, expectedVM, actualVM)
}
func TestMapFromVMScaleSetVMWithEmptyOSType(t *testing.T) {
id := "test"
name := "name"
size := "size"
vmSize := armcompute.VirtualMachineSizeTypes(size)
vmType := "type"
instanceID := "123"
location := "westeurope"
computerName := "computer_name"
networkProfile := armcompute.NetworkProfile{
NetworkInterfaces: []*armcompute.NetworkInterfaceReference{},
}
properties := &armcompute.VirtualMachineScaleSetVMProperties{
OSProfile: &armcompute.OSProfile{
ComputerName: &computerName,
},
StorageProfile: &armcompute.StorageProfile{},
NetworkProfile: &networkProfile,
HardwareProfile: &armcompute.HardwareProfile{
VMSize: &vmSize,
},
}
testVM := armcompute.VirtualMachineScaleSetVM{
ID: &id,
Name: &name,
Type: &vmType,
InstanceID: &instanceID,
Location: &location,
Tags: nil,
Properties: properties,
}
scaleSet := "testSet"
expectedVM := virtualMachine{
ID: id,
Name: name,
ComputerName: computerName,
Type: vmType,
Location: location,
Tags: map[string]*string{},
NetworkInterfaces: []string{},
ScaleSet: scaleSet,
InstanceID: instanceID,
Size: size,
}
actualVM := mapFromVMScaleSetVM(testVM, scaleSet)
require.Equal(t, expectedVM, actualVM)
}
func TestMapFromVMScaleSetVMWithTags(t *testing.T) {
id := "test"
name := "name"
size := "size"
vmSize := armcompute.VirtualMachineSizeTypes(size)
osType := armcompute.OperatingSystemTypesLinux
vmType := "type"
instanceID := "123"
location := "westeurope"
computerName := "computer_name"
tags := map[string]*string{
"prometheus": new(string),
}
networkProfile := armcompute.NetworkProfile{
NetworkInterfaces: []*armcompute.NetworkInterfaceReference{},
}
properties := &armcompute.VirtualMachineScaleSetVMProperties{
OSProfile: &armcompute.OSProfile{
ComputerName: &computerName,
},
StorageProfile: &armcompute.StorageProfile{
OSDisk: &armcompute.OSDisk{
OSType: &osType,
},
},
NetworkProfile: &networkProfile,
HardwareProfile: &armcompute.HardwareProfile{
VMSize: &vmSize,
},
}
testVM := armcompute.VirtualMachineScaleSetVM{
ID: &id,
Name: &name,
Type: &vmType,
InstanceID: &instanceID,
Location: &location,
Tags: tags,
Properties: properties,
}
scaleSet := "testSet"
expectedVM := virtualMachine{
ID: id,
Name: name,
ComputerName: computerName,
Type: vmType,
Location: location,
OsType: "Linux",
Tags: tags,
NetworkInterfaces: []string{},
ScaleSet: scaleSet,
InstanceID: instanceID,
Size: size,
}
actualVM := mapFromVMScaleSetVM(testVM, scaleSet)
require.Equal(t, expectedVM, actualVM)
}
func TestNewAzureResourceFromID(t *testing.T) {
for _, tc := range []struct {
id string
expected *arm.ResourceID
}{
{
id: "/subscriptions/SUBSCRIPTION_ID/resourceGroups/group/providers/PROVIDER/TYPE/name",
expected: &arm.ResourceID{
Name: "name",
ResourceGroupName: "group",
},
},
{
id: "/subscriptions/SUBSCRIPTION_ID/resourceGroups/group/providers/PROVIDER/TYPE/name/TYPE/h",
expected: &arm.ResourceID{
Name: "h",
ResourceGroupName: "group",
},
},
} {
actual, err := newAzureResourceFromID(tc.id, nil)
require.NoError(t, err)
require.Equal(t, tc.expected.Name, actual.Name)
require.Equal(t, tc.expected.ResourceGroupName, actual.ResourceGroupName)
}
}
type mockAzureClient struct {
networkInterface *armnetwork.Interface
}
var _ client = &mockAzureClient{}
func (*mockAzureClient) getVMs(ctx context.Context, resourceGroup string) ([]virtualMachine, error) {
return nil, nil
}
func (*mockAzureClient) getScaleSets(ctx context.Context, resourceGroup string) ([]armcompute.VirtualMachineScaleSet, error) {
return nil, nil
}
func (*mockAzureClient) getScaleSetVMs(ctx context.Context, scaleSet armcompute.VirtualMachineScaleSet) ([]virtualMachine, error) {
return nil, nil
}
func (m *mockAzureClient) getVMNetworkInterfaceByID(ctx context.Context, networkInterfaceID string) (*armnetwork.Interface, error) {
if networkInterfaceID == "" {
return nil, fmt.Errorf("parameter networkInterfaceID cannot be empty")
}
return m.networkInterface, nil
}
func (m *mockAzureClient) getVMScaleSetVMNetworkInterfaceByID(ctx context.Context, networkInterfaceID, scaleSetName, instanceID string) (*armnetwork.Interface, error) {
if scaleSetName == "" {
return nil, fmt.Errorf("parameter virtualMachineScaleSetName cannot be empty")
}
return m.networkInterface, nil
}