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azure_pipelines_scaler_test.go
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package scalers
import (
"context"
"net/http"
"net/http/httptest"
"strings"
"testing"
"github.com/go-logr/logr"
"github.com/kedacore/keda/v2/pkg/scalers/scalersconfig"
)
const loadCount = 1000 // the size of the pretend pool completed of job requests
type parseAzurePipelinesMetadataTestData struct {
testName string
metadata map[string]string
isError bool
resolvedEnv map[string]string
authParams map[string]string
}
var testAzurePipelinesResolvedEnv = map[string]string{
"AZP_URL": "https://dev.azure.com/sample",
"AZP_TOKEN": "sample",
}
var testAzurePipelinesMetadata = []parseAzurePipelinesMetadataTestData{
// empty
{"empty", map[string]string{}, true, testAzurePipelinesResolvedEnv, map[string]string{}},
// all properly formed
{"all properly formed", map[string]string{"organizationURLFromEnv": "AZP_URL", "personalAccessTokenFromEnv": "AZP_TOKEN", "poolID": "1", "targetPipelinesQueueLength": "1", "jobsToFetch": "300"}, false, testAzurePipelinesResolvedEnv, map[string]string{}},
// using triggerAuthentication
{"using triggerAuthentication", map[string]string{"poolID": "1", "targetPipelinesQueueLength": "1"}, false, testAzurePipelinesResolvedEnv, map[string]string{"organizationURL": "https://dev.azure.com/sample", "personalAccessToken": "sample"}},
// using triggerAuthentication with personalAccessToken terminating in newline
{"using triggerAuthentication with personalAccessToken terminating in newline", map[string]string{"poolID": "1", "targetPipelinesQueueLength": "1"}, false, testAzurePipelinesResolvedEnv, map[string]string{"organizationURL": "https://dev.azure.com/sample", "personalAccessToken": "sample\n"}},
// missing organizationURL
{"missing organizationURL", map[string]string{"organizationURLFromEnv": "", "personalAccessTokenFromEnv": "sample", "poolID": "1", "targetPipelinesQueueLength": "1"}, true, testAzurePipelinesResolvedEnv, map[string]string{}},
// missing personalAccessToken
{"missing personalAccessToken", map[string]string{"organizationURLFromEnv": "AZP_URL", "poolID": "1", "targetPipelinesQueueLength": "1"}, true, testAzurePipelinesResolvedEnv, map[string]string{}},
// missing poolID
{"missing poolID", map[string]string{"organizationURLFromEnv": "AZP_URL", "personalAccessTokenFromEnv": "AZP_TOKEN", "poolID": "", "targetPipelinesQueueLength": "1"}, true, testAzurePipelinesResolvedEnv, map[string]string{}},
// activationTargetPipelinesQueueLength malformed
{"all properly formed", map[string]string{"organizationURLFromEnv": "AZP_URL", "personalAccessTokenFromEnv": "AZP_TOKEN", "poolID": "1", "targetPipelinesQueueLength": "1", "activationTargetPipelinesQueueLength": "A"}, true, testAzurePipelinesResolvedEnv, map[string]string{}},
// jobsToFetch malformed
{"jobsToFetch malformed", map[string]string{"organizationURLFromEnv": "AZP_URL", "personalAccessTokenFromEnv": "AZP_TOKEN", "poolID": "1", "targetPipelinesQueueLength": "1", "jobsToFetch": "test"}, true, testAzurePipelinesResolvedEnv, map[string]string{}},
}
var testJobRequestResponse = `{"count":2,"value":[{"requestId":890659,"queueTime":"2022-09-28T11:19:49.89Z","assignTime":"2022-09-28T11:20:29.5033333Z","receiveTime":"2022-09-28T11:20:32.0530499Z","lockedUntil":"2022-09-28T11:30:32.07Z","serviceOwner":"xxx","hostId":"xxx","scopeId":"xxx","planType":"Build","planId":"xxx","jobId":"xxx","demands":["kubectl","Agent.Version -gtVersion 2.182.1"],"reservedAgent":{"_links":{"self":{"href":"https://dev.azure.com/FOO/_apis/distributedtask/pools/44/agents/11735"},"web":{"href":"https://dev.azure.com/FOO/_settings/agentpools?view=jobs&poolId=44&agentId=11735"}},"id":11735,"name":"kube-scaledjob-5nlph-kzpgf","version":"2.210.1","osDescription":"Linux 5.4.0-1089-azure #94~18.04.1-Ubuntu SMP Fri Aug 5 12:34:50 UTC 2022","enabled":true,"status":"online","provisioningState":"Provisioned","accessPoint":"CodexAccessMapping"},"definition":{"_links":{"web":{"href":"https://dev.azure.com/FOO/1858395a-257e-4efd-bbc5-eb618128452b/_build/definition?definitionId=4869"},"self":{"href":"https://dev.azure.com/FOO/1858395a-257e-4efd-bbc5-eb618128452b/_apis/build/Definitions/4869"}},"id":4869,"name":"base - main"},"owner":{"_links":{"web":{"href":"https://dev.azure.com/FOO/1858395a-257e-4efd-bbc5-eb618128452b/_build/results?buildId=673584"},"self":{"href":"https://dev.azure.com/FOO/1858395a-257e-4efd-bbc5-eb618128452b/_apis/build/Builds/673584"}},"id":673584,"name":"20220928.2"},"data":{"ParallelismTag":"Private","IsScheduledKey":"False"},"poolId":44,"orchestrationId":"5c5c8ec9-786f-4e97-99d4-a29279befba3.build.__default","priority":0},{"requestId":890663,"queueTime":"2022-09-28T11:20:22.4633333Z","serviceOwner":"00025394-6065-48ca-87d9-7f5672854ef7","hostId":"41a18c7d-df5e-4032-a4df-d533b56bd2de","scopeId":"02696e26-a35b-424c-86b8-1f54e1b0b4b7","planType":"Build","planId":"b718cfed-493c-46be-a650-88fe762f75aa","jobId":"15b95994-59ec-5502-695d-0b93722883bd","demands":["dotnet60","java","cmake","Agent.Version -gtVersion 2.182.1"],"matchedAgents":[{"_links":{"self":{"href":"https://dev.azure.com/FOO/_apis/distributedtask/pools/44/agents/1755"},"web":{"href":"https://dev.azure.com/FOO/_settings/agentpools?view=jobs&poolId=44&agentId=1755"}},"id":1755,"name":"dotnet60-keda-template","version":"2.210.1","enabled":true,"status":"offline","provisioningState":"Provisioned"},{"_links":{"self":{"href":"https://dev.azure.com/FOO/_apis/distributedtask/pools/44/agents/11732"},"web":{"href":"https://dev.azure.com/FOO/_settings/agentpools?view=jobs&poolId=44&agentId=11732"}},"id":11732,"name":"dotnet60-scaledjob-5dsgc-pkqvm","version":"2.210.1","enabled":true,"status":"online","provisioningState":"Provisioned"},{"_links":{"self":{"href":"https://dev.azure.com/FOO/_apis/distributedtask/pools/44/agents/11733"},"web":{"href":"https://dev.azure.com/FOO/_settings/agentpools?view=jobs&poolId=44&agentId=11733"}},"id":11733,"name":"dotnet60-scaledjob-zgqnp-8h4z4","version":"2.210.1","enabled":true,"status":"online","provisioningState":"Provisioned"},{"_links":{"self":{"href":"https://dev.azure.com/FOO/_apis/distributedtask/pools/44/agents/11734"},"web":{"href":"https://dev.azure.com/FOO/_settings/agentpools?view=jobs&poolId=44&agentId=11734"}},"id":11734,"name":"dotnet60-scaledjob-wr65c-ff2cv","version":"2.210.1","enabled":true,"status":"online","provisioningState":"Provisioned"}],"definition":{"_links":{"web":{"href":"https://FOO.visualstudio.com/02696e26-a35b-424c-86b8-1f54e1b0b4b7/_build/definition?definitionId=3129"},"self":{"href":"https://FOO.visualstudio.com/02696e26-a35b-424c-86b8-1f54e1b0b4b7/_apis/build/Definitions/3129"}},"id":3129,"name":"Other Build CI"},"owner":{"_links":{"web":{"href":"https://FOO.visualstudio.com/02696e26-a35b-424c-86b8-1f54e1b0b4b7/_build/results?buildId=673585"},"self":{"href":"https://FOO.visualstudio.com/02696e26-a35b-424c-86b8-1f54e1b0b4b7/_apis/build/Builds/673585"}},"id":673585,"name":"20220928.11"},"data":{"ParallelismTag":"Private","IsScheduledKey":"False"},"poolId":44,"orchestrationId":"b718cfed-493c-46be-a650-88fe762f75aa.buildtest.build_and_test.__default","priority":0}]}`
var deadJob = `{"requestId":890659,"result":"succeeded","queueTime":"2022-09-28T11:19:49.89Z","assignTime":"2022-09-28T11:20:29.5033333Z","receiveTime":"2022-09-28T11:20:32.0530499Z","lockedUntil":"2022-09-28T11:30:32.07Z","serviceOwner":"xxx","hostId":"xxx","scopeId":"xxx","planType":"Build","planId":"xxx","jobId":"xxx","demands":["kubectl","Agent.Version -gtVersion 2.182.1"],"reservedAgent":{"_links":{"self":{"href":"https://dev.azure.com/FOO/_apis/distributedtask/pools/44/agents/11735"},"web":{"href":"https://dev.azure.com/FOO/_settings/agentpools?view=jobs&poolId=44&agentId=11735"}},"id":11735,"name":"kube-scaledjob-5nlph-kzpgf","version":"2.210.1","osDescription":"Linux 5.4.0-1089-azure #94~18.04.1-Ubuntu SMP Fri Aug 5 12:34:50 UTC 2022","enabled":true,"status":"online","provisioningState":"Provisioned","accessPoint":"CodexAccessMapping"},"definition":{"_links":{"web":{"href":"https://dev.azure.com/FOO/1858395a-257e-4efd-bbc5-eb618128452b/_build/definition?definitionId=4869"},"self":{"href":"https://dev.azure.com/FOO/1858395a-257e-4efd-bbc5-eb618128452b/_apis/build/Definitions/4869"}},"id":4869,"name":"base - main"},"owner":{"_links":{"web":{"href":"https://dev.azure.com/FOO/1858395a-257e-4efd-bbc5-eb618128452b/_build/results?buildId=673584"},"self":{"href":"https://dev.azure.com/FOO/1858395a-257e-4efd-bbc5-eb618128452b/_apis/build/Builds/673584"}},"id":673584,"name":"20220928.2"},"data":{"ParallelismTag":"Private","IsScheduledKey":"False"},"poolId":44,"orchestrationId":"5c5c8ec9-786f-4e97-99d4-a29279befba3.build.__default","priority":0}`
func TestParseAzurePipelinesMetadata(t *testing.T) {
for _, testData := range testAzurePipelinesMetadata {
t.Run(testData.testName, func(t *testing.T) {
var apiStub = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
personalAccessToken := strings.Split(r.Header["Authorization"][0], " ")[1]
if personalAccessToken != "" && personalAccessToken[len(personalAccessToken)-1:] == "\n" {
w.WriteHeader(http.StatusUnauthorized)
} else {
w.WriteHeader(http.StatusOK)
_, _ = w.Write([]byte(`{"count":1,"value":[{"id":1}]}`))
}
}))
// set urls into local stub only if they are already defined
if _, ok := testData.resolvedEnv["AZP_URL"]; ok {
testData.resolvedEnv["AZP_URL"] = apiStub.URL
}
if _, ok := testData.authParams["organizationURL"]; ok {
testData.authParams["organizationURL"] = apiStub.URL
}
logger := logr.Discard()
_, _, err := parseAzurePipelinesMetadata(context.TODO(), logger, &scalersconfig.ScalerConfig{TriggerMetadata: testData.metadata, ResolvedEnv: testData.resolvedEnv, AuthParams: testData.authParams}, http.DefaultClient)
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")
}
})
}
}
type validateAzurePipelinesPoolTestData struct {
testName string
metadata map[string]string
isError bool
queryParam string
httpCode int
response string
}
var testValidateAzurePipelinesPoolData = []validateAzurePipelinesPoolTestData{
// poolID exists and only one is returned
{"poolID exists and only one is returned", map[string]string{"poolID": "1"}, false, "poolID", http.StatusOK, `{"count":1,"value":[{"id":1}]}`},
// poolID doesn't exist
{"poolID doesn't exist", map[string]string{"poolID": "1"}, true, "poolID", http.StatusNotFound, `{}`},
// poolName exists and only one is returned
{"poolName exists and only one is returned", map[string]string{"poolName": "sample"}, false, "poolName", http.StatusOK, `{"count":1,"value":[{"id":1}]}`},
// poolName exists and more than one are returned
{"poolName exists and more than one are returned", map[string]string{"poolName": "sample"}, true, "poolName", http.StatusOK, `{"count":2,"value":[{"id":1},{"id":2}]}`},
// poolName doesn't exist
{"poolName doesn't exist", map[string]string{"poolName": "sample"}, true, "poolName", http.StatusOK, `{"count":0,"value":[]}`},
// poolName is used if poolName and poolID are defined
{"poolName is used if poolName and poolID are defined", map[string]string{"poolName": "sample", "poolID": "1"}, false, "poolName", http.StatusOK, `{"count":1,"value":[{"id":1}]}`},
// poolName can have a space in it
{"poolName can have a space in it", map[string]string{"poolName": "sample pool name"}, false, "poolName", http.StatusOK, `{"count":1,"value":[{"id":1}]}`},
}
func TestValidateAzurePipelinesPool(t *testing.T) {
for _, testData := range testValidateAzurePipelinesPoolData {
t.Run(testData.testName, func(t *testing.T) {
var apiStub = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
_, ok := r.URL.Query()[testData.queryParam]
if !ok {
t.Error("Wrong QueryParam")
}
w.WriteHeader(testData.httpCode)
_, _ = w.Write([]byte(testData.response))
}))
authParams := map[string]string{
"organizationURL": apiStub.URL,
"personalAccessToken": "PAT",
}
logger := logr.Discard()
_, _, err := parseAzurePipelinesMetadata(context.TODO(), logger, &scalersconfig.ScalerConfig{TriggerMetadata: testData.metadata, ResolvedEnv: nil, AuthParams: authParams}, http.DefaultClient)
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")
}
})
}
}
type azurePipelinesMetricIdentifier struct {
triggerIndex int
name string
}
var azurePipelinesMetricIdentifiers = []azurePipelinesMetricIdentifier{
{0, "s0-azure-pipelines-1"},
{1, "s1-azure-pipelines-1"},
}
func TestAzurePipelinesGetMetricSpecForScaling(t *testing.T) {
for _, testData := range azurePipelinesMetricIdentifiers {
var apiStub = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
_, _ = w.Write([]byte(`{"id":1}`))
}))
authParams := map[string]string{
"organizationURL": apiStub.URL,
"personalAccessToken": "PAT",
}
metadata := map[string]string{
"poolID": "1",
"targetPipelinesQueueLength": "1",
}
logger := logr.Discard()
meta, _, err := parseAzurePipelinesMetadata(context.TODO(), logger, &scalersconfig.ScalerConfig{TriggerMetadata: metadata, ResolvedEnv: nil, AuthParams: authParams, TriggerIndex: testData.triggerIndex}, http.DefaultClient)
if err != nil {
t.Fatal("Could not parse metadata:", err)
}
mockAzurePipelinesScaler := azurePipelinesScaler{
metadata: meta,
httpClient: http.DefaultClient,
}
metricSpec := mockAzurePipelinesScaler.GetMetricSpecForScaling(context.Background())
metricName := metricSpec[0].External.Metric.Name
if metricName != testData.name {
t.Error("Wrong External metric source name:", metricName)
}
}
}
func getMatchedAgentMetaData(url string) *azurePipelinesMetadata {
meta := azurePipelinesMetadata{}
meta.organizationName = "testOrg"
meta.organizationURL = url
meta.parent = "dotnet60-keda-template"
meta.authContext.pat = "testPAT"
meta.poolID = 1
meta.targetPipelinesQueueLength = 1
return &meta
}
func TestAzurePipelinesMatchedAgent(t *testing.T) {
var apiStub = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
_, _ = w.Write(buildLoadJSON())
}))
meta := getMatchedAgentMetaData(apiStub.URL)
mockAzurePipelinesScaler := azurePipelinesScaler{
metadata: meta,
httpClient: http.DefaultClient,
}
queueLen, err := mockAzurePipelinesScaler.GetAzurePipelinesQueueLength(context.TODO())
if err != nil {
t.Fail()
}
if queueLen < 1 {
t.Fail()
}
}
func TestAzurePipelinesDelayed(t *testing.T) {
var apiStub = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// nosemgrep: no-direct-write-to-responsewriter
w.Header().Add("X-RateLimit-Limit", "0")
// nosemgrep: no-direct-write-to-responsewriter
w.Header().Add("X-RateLimit-Delay", "42")
w.WriteHeader(http.StatusOK)
_, _ = w.Write(buildLoadJSON())
}))
meta := getMatchedAgentMetaData(apiStub.URL)
mockAzurePipelinesScaler := azurePipelinesScaler{
metadata: meta,
httpClient: http.DefaultClient,
}
queueLen, err := mockAzurePipelinesScaler.GetAzurePipelinesQueueLength(context.Background())
if err != nil {
t.Fail()
}
if queueLen < 1 {
t.Fail()
}
}
func getDemandJobMetaData(url string) *azurePipelinesMetadata {
meta := getMatchedAgentMetaData(url)
meta.parent = ""
meta.demands = "dotnet60,java,cmake"
return meta
}
func getDemandJobSubsetMetadata(url string) *azurePipelinesMetadata {
meta := getMatchedAgentMetaData(url)
meta.parent = ""
meta.demands = "dotnet60,java"
return meta
}
func getMismatchDemandJobMetaData(url string) *azurePipelinesMetadata {
meta := getMatchedAgentMetaData(url)
meta.parent = ""
meta.demands = "testDemand,iamnotademand"
return meta
}
func TestAzurePipelinesMatchedDemandAgent(t *testing.T) {
var apiStub = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
_, _ = w.Write(buildLoadJSON())
}))
meta := getDemandJobMetaData(apiStub.URL)
mockAzurePipelinesScaler := azurePipelinesScaler{
metadata: meta,
httpClient: http.DefaultClient,
}
queueLen, err := mockAzurePipelinesScaler.GetAzurePipelinesQueueLength(context.TODO())
if err != nil {
t.Fail()
}
if queueLen < 1 {
t.Fail()
}
}
func TestAzurePipelinesNonMatchedDemandAgent(t *testing.T) {
var apiStub = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
_, _ = w.Write(buildLoadJSON())
}))
meta := getMismatchDemandJobMetaData(apiStub.URL)
meta.requireAllDemands = true
mockAzurePipelinesScaler := azurePipelinesScaler{
metadata: meta,
httpClient: http.DefaultClient,
}
queueLen, err := mockAzurePipelinesScaler.GetAzurePipelinesQueueLength(context.TODO())
if err != nil {
t.Fail()
}
if queueLen > 0 {
t.Fail()
}
}
func TestAzurePipelinesMatchedDemandAgentWithRequireAllDemands(t *testing.T) {
var apiStub = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
_, _ = w.Write(buildLoadJSON())
}))
meta := getDemandJobMetaData(apiStub.URL)
meta.requireAllDemands = true
mockAzurePipelinesScaler := azurePipelinesScaler{
metadata: meta,
httpClient: http.DefaultClient,
}
queuelen, err := mockAzurePipelinesScaler.GetAzurePipelinesQueueLength(context.TODO())
if err != nil {
t.Fail()
}
if queuelen < 1 {
t.Fail()
}
}
func TestAzurePipelinesMatchedDemandAgentWithRequireAllDemandsAndIgnoreOthers(t *testing.T) {
var apiStub = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
_, _ = w.Write(buildLoadJSON())
}))
meta := getDemandJobSubsetMetadata(apiStub.URL)
meta.requireAllDemandsAndIgnoreOthers = true
mockAzurePipelinesScaler := azurePipelinesScaler{
metadata: meta,
httpClient: http.DefaultClient,
}
queuelen, err := mockAzurePipelinesScaler.GetAzurePipelinesQueueLength(context.TODO())
if err != nil {
t.Fail()
}
if queuelen < 1 {
t.Fail()
}
}
func TestAzurePipelinesNotMatchedPartialRequiredTriggerDemands(t *testing.T) {
var apiStub = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
_, _ = w.Write(buildLoadJSON())
}))
meta := getDemandJobMetaData(apiStub.URL)
meta.requireAllDemands = true
meta.demands = "kubectl,someOtherDemand" // the build demands only kubectl
mockAzurePipelinesScaler := azurePipelinesScaler{
metadata: meta,
httpClient: http.DefaultClient,
}
queuelen, err := mockAzurePipelinesScaler.GetAzurePipelinesQueueLength(context.TODO())
if err != nil {
t.Fail()
}
if queuelen > 0 {
t.Fail()
}
}
func buildLoadJSON() []byte {
output := testJobRequestResponse[0 : len(testJobRequestResponse)-2]
for i := 1; i < loadCount; i++ {
output = output + "," + deadJob
}
output += "]}"
return []byte(output)
}