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azure_data_explorer_scaler_test.go
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/*
Copyright 2021 The KEDA 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 scalers
import (
"context"
"fmt"
"testing"
kedav1alpha1 "github.com/kedacore/keda/v2/apis/keda/v1alpha1"
kedautil "github.com/kedacore/keda/v2/pkg/util"
)
type parseDataExplorerMetadataTestData struct {
metadata map[string]string
isError bool
}
type dataExplorerMetricIdentifier struct {
metadataTestData *parseDataExplorerMetadataTestData
scalerIndex int
name string
}
var (
aadAppClientID = "eebdbbab-cf74-4791-a5c6-1ef5d90b1fa8"
aadAppSecret = "test_app_secret"
azureTenantID = "8fe57c22-02b1-4b87-8c24-ae21dea4fa6a"
databaseName = "test_database"
dataExplorerQuery = "print 3"
dataExplorerThreshold = "1"
dataExplorerEndpoint = "https://test-keda-e2e.eastus.kusto.windows.net"
)
// Valid auth params with aad application and passwd
var dataExplorerResolvedEnv = map[string]string{
"tenantId": azureTenantID,
"clientId": aadAppClientID,
"clientSecret": aadAppSecret,
}
var testDataExplorerMetadataWithClientAndSecret = []parseDataExplorerMetadataTestData{
// Empty metadata - fail
{map[string]string{}, true},
// Missing tenantId - fail
{map[string]string{"tenantId": "", "clientId": aadAppClientID, "clientSecret": aadAppSecret, "endpoint": dataExplorerEndpoint, "databaseName": databaseName, "query": dataExplorerQuery, "threshold": dataExplorerThreshold}, true},
// Missing clientId - fail
{map[string]string{"tenantId": azureTenantID, "clientId": "", "clientSecret": aadAppSecret, "endpoint": dataExplorerEndpoint, "databaseName": databaseName, "query": dataExplorerQuery, "threshold": dataExplorerThreshold}, true},
// Missing clientSecret - fail
{map[string]string{"tenantId": azureTenantID, "clientId": aadAppClientID, "clientSecret": "", "endpoint": dataExplorerEndpoint, "databaseName": databaseName, "query": dataExplorerQuery, "threshold": dataExplorerThreshold}, true},
// Missing endpoint - fail
{map[string]string{"tenantId": azureTenantID, "clientId": aadAppClientID, "clientSecret": aadAppSecret, "endpoint": "", "databaseName": databaseName, "query": dataExplorerQuery, "threshold": dataExplorerThreshold}, true},
// Missing databaseName - fail
{map[string]string{"tenantId": azureTenantID, "clientId": aadAppClientID, "clientSecret": aadAppSecret, "endpoint": dataExplorerEndpoint, "databaseName": "", "query": dataExplorerQuery, "threshold": dataExplorerThreshold}, true},
// Missing query - fail
{map[string]string{"tenantId": azureTenantID, "clientId": aadAppClientID, "clientSecret": aadAppSecret, "endpoint": dataExplorerEndpoint, "databaseName": databaseName, "query": "", "threshold": dataExplorerThreshold}, true},
// Missing threshold - fail
{map[string]string{"tenantId": azureTenantID, "clientId": aadAppClientID, "clientSecret": aadAppSecret, "endpoint": dataExplorerEndpoint, "databaseName": databaseName, "query": dataExplorerQuery, "threshold": ""}, true},
// known cloud
{map[string]string{"tenantId": azureTenantID, "clientId": aadAppClientID, "clientSecret": aadAppSecret, "endpoint": dataExplorerEndpoint, "databaseName": databaseName, "query": dataExplorerQuery, "threshold": dataExplorerThreshold,
"cloud": "azureChinaCloud"}, false},
// private cloud
{map[string]string{"tenantId": azureTenantID, "clientId": aadAppClientID, "clientSecret": aadAppSecret, "endpoint": dataExplorerEndpoint, "databaseName": databaseName, "query": dataExplorerQuery, "threshold": dataExplorerThreshold,
"cloud": "private", "activeDirectoryEndpoint": activeDirectoryEndpoint}, false},
// private cloud - missing active directory endpoint - fail
{map[string]string{"tenantId": azureTenantID, "clientId": aadAppClientID, "clientSecret": aadAppSecret, "endpoint": dataExplorerEndpoint, "databaseName": databaseName, "query": dataExplorerQuery, "threshold": dataExplorerThreshold,
"cloud": "private"}, true},
// All parameters set - pass
{map[string]string{"tenantId": azureTenantID, "clientId": aadAppClientID, "clientSecret": aadAppSecret, "endpoint": dataExplorerEndpoint, "databaseName": databaseName, "query": dataExplorerQuery, "threshold": dataExplorerThreshold}, false},
}
var testDataExplorerMetadataWithPodIdentity = []parseDataExplorerMetadataTestData{
// Empty metadata - fail
{map[string]string{}, true},
// Missing endpoint - fail
{map[string]string{"tenantId": azureTenantID, "clientId": aadAppClientID, "clientSecret": aadAppSecret, "endpoint": "", "databaseName": databaseName, "query": dataExplorerQuery, "threshold": dataExplorerThreshold}, true},
// Missing query - fail
{map[string]string{"tenantId": azureTenantID, "clientId": aadAppClientID, "clientSecret": aadAppSecret, "endpoint": dataExplorerEndpoint, "databaseName": databaseName, "query": "", "threshold": dataExplorerThreshold}, true},
// Missing threshold - fail
{map[string]string{"tenantId": azureTenantID, "clientId": aadAppClientID, "clientSecret": aadAppSecret, "endpoint": dataExplorerEndpoint, "databaseName": databaseName, "query": dataExplorerQuery, "threshold": ""}, true},
// All parameters set - pass
{map[string]string{"tenantId": azureTenantID, "clientId": aadAppClientID, "clientSecret": aadAppSecret, "endpoint": dataExplorerEndpoint, "databaseName": databaseName, "query": dataExplorerQuery, "threshold": dataExplorerThreshold}, false},
}
var testDataExplorerMetricIdentifiers = []dataExplorerMetricIdentifier{
{&testDataExplorerMetadataWithClientAndSecret[len(testDataExplorerMetadataWithClientAndSecret)-1], 0, GenerateMetricNameWithIndex(0, kedautil.NormalizeString(fmt.Sprintf("%s-%s", adxName, databaseName)))},
{&testDataExplorerMetadataWithPodIdentity[len(testDataExplorerMetadataWithPodIdentity)-1], 1, GenerateMetricNameWithIndex(1, kedautil.NormalizeString(fmt.Sprintf("%s-%s", adxName, databaseName)))},
}
func TestDataExplorerParseMetadata(t *testing.T) {
// Auth through clientId, clientSecret and tenantId
for _, testData := range testDataExplorerMetadataWithClientAndSecret {
_, err := parseAzureDataExplorerMetadata(
&ScalerConfig{
ResolvedEnv: dataExplorerResolvedEnv,
TriggerMetadata: testData.metadata,
AuthParams: map[string]string{},
PodIdentity: ""})
if err != nil && !testData.isError {
t.Error("Expected success but got error", err)
}
if testData.isError && err == nil {
t.Error("Expected error but got success")
}
}
// Auth through Pod Identity
for _, testData := range testDataExplorerMetadataWithPodIdentity {
_, err := parseAzureDataExplorerMetadata(
&ScalerConfig{
ResolvedEnv: dataExplorerResolvedEnv,
TriggerMetadata: testData.metadata,
AuthParams: map[string]string{},
PodIdentity: kedav1alpha1.PodIdentityProviderAzure})
if err != nil && !testData.isError {
t.Error("Expected success but got error", err)
}
if testData.isError && err == nil {
t.Error("Expected error but got success")
}
}
// Auth through Workload Identity
for _, testData := range testDataExplorerMetadataWithPodIdentity {
_, err := parseAzureDataExplorerMetadata(
&ScalerConfig{
ResolvedEnv: dataExplorerResolvedEnv,
TriggerMetadata: testData.metadata,
AuthParams: map[string]string{},
PodIdentity: kedav1alpha1.PodIdentityProviderAzureWorkload})
if err != nil && !testData.isError {
t.Error("Expected success but got error", err)
}
if testData.isError && err == nil {
t.Error("Expected error but got success")
}
}
}
func TestDataExplorerGetMetricSpecForScaling(t *testing.T) {
for _, testData := range testDataExplorerMetricIdentifiers {
meta, err := parseAzureDataExplorerMetadata(
&ScalerConfig{
ResolvedEnv: dataExplorerResolvedEnv,
TriggerMetadata: testData.metadataTestData.metadata,
AuthParams: map[string]string{},
PodIdentity: "",
ScalerIndex: testData.scalerIndex})
if err != nil {
t.Error("Failed to parse metadata:", err)
}
mockDataExplorerScaler := azureDataExplorerScaler{
metadata: meta,
client: nil,
name: "mock_scaled_object",
namespace: "mock_namespace",
}
metricSpec := mockDataExplorerScaler.GetMetricSpecForScaling(context.Background())
metricName := metricSpec[0].External.Metric.Name
if metricName != testData.name {
t.Error("Wrong External metric source name:", metricName)
}
}
}