actions-runner-controller/controllers/actions.summerwind.net/horizontal_runner_autoscale...

577 lines
13 KiB
Go

package actionssummerwindnet
import (
"bytes"
"encoding/json"
"fmt"
"io"
"net/http"
"net/http/httptest"
"net/url"
"os"
"testing"
"time"
actionsv1alpha1 "github.com/actions/actions-runner-controller/apis/actions.summerwind.net/v1alpha1"
"github.com/go-logr/logr"
"github.com/google/go-github/v52/github"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
clientgoscheme "k8s.io/client-go/kubernetes/scheme"
"sigs.k8s.io/controller-runtime/pkg/client/fake"
)
var (
sc = runtime.NewScheme()
)
func init() {
_ = clientgoscheme.AddToScheme(sc)
_ = actionsv1alpha1.AddToScheme(sc)
}
func TestWebhookPing(t *testing.T) {
testServer(t,
"ping",
&github.PingEvent{
Zen: github.String("zen"),
},
200,
"pong",
)
}
func TestWebhookWorkflowJob(t *testing.T) {
setupTest := func() github.WorkflowJobEvent {
f, err := os.Open("testdata/org_webhook_workflow_job_payload.json")
if err != nil {
t.Fatalf("could not open the fixture: %s", err)
}
defer f.Close()
var e github.WorkflowJobEvent
if err := json.NewDecoder(f).Decode(&e); err != nil {
t.Fatalf("invalid json: %s", err)
}
return e
}
t.Run("Successful", func(t *testing.T) {
e := setupTest()
hra := &actionsv1alpha1.HorizontalRunnerAutoscaler{
ObjectMeta: metav1.ObjectMeta{
Name: "test-name",
},
Spec: actionsv1alpha1.HorizontalRunnerAutoscalerSpec{
ScaleTargetRef: actionsv1alpha1.ScaleTargetRef{
Name: "test-name",
},
ScaleUpTriggers: []actionsv1alpha1.ScaleUpTrigger{
{
GitHubEvent: &actionsv1alpha1.GitHubEventScaleUpTriggerSpec{
WorkflowJob: &actionsv1alpha1.WorkflowJobSpec{},
},
},
},
},
}
rd := &actionsv1alpha1.RunnerDeployment{
ObjectMeta: metav1.ObjectMeta{
Name: "test-name",
},
Spec: actionsv1alpha1.RunnerDeploymentSpec{
Template: actionsv1alpha1.RunnerTemplate{
Spec: actionsv1alpha1.RunnerSpec{
RunnerConfig: actionsv1alpha1.RunnerConfig{
Organization: "MYORG",
Labels: []string{"label1"},
},
},
},
},
}
initObjs := []runtime.Object{hra, rd}
testServerWithInitObjs(t,
"workflow_job",
&e,
200,
"scaled test-name by 1",
initObjs,
)
})
t.Run("WrongLabels", func(t *testing.T) {
e := setupTest()
hra := &actionsv1alpha1.HorizontalRunnerAutoscaler{
ObjectMeta: metav1.ObjectMeta{
Name: "test-name",
},
Spec: actionsv1alpha1.HorizontalRunnerAutoscalerSpec{
ScaleTargetRef: actionsv1alpha1.ScaleTargetRef{
Name: "test-name",
},
ScaleUpTriggers: []actionsv1alpha1.ScaleUpTrigger{
{
GitHubEvent: &actionsv1alpha1.GitHubEventScaleUpTriggerSpec{
WorkflowJob: &actionsv1alpha1.WorkflowJobSpec{},
},
},
},
},
}
rd := &actionsv1alpha1.RunnerDeployment{
ObjectMeta: metav1.ObjectMeta{
Name: "test-name",
},
Spec: actionsv1alpha1.RunnerDeploymentSpec{
Template: actionsv1alpha1.RunnerTemplate{
Spec: actionsv1alpha1.RunnerSpec{
RunnerConfig: actionsv1alpha1.RunnerConfig{
Organization: "MYORG",
Labels: []string{"bad-label"},
},
},
},
},
}
initObjs := []runtime.Object{hra, rd}
testServerWithInitObjs(t,
"workflow_job",
&e,
200,
"no horizontalrunnerautoscaler to scale for this github event",
initObjs,
)
})
// This test verifies that the old way of matching labels doesn't work anymore
t.Run("OldLabels", func(t *testing.T) {
e := setupTest()
hra := &actionsv1alpha1.HorizontalRunnerAutoscaler{
ObjectMeta: metav1.ObjectMeta{
Name: "test-name",
},
Spec: actionsv1alpha1.HorizontalRunnerAutoscalerSpec{
ScaleTargetRef: actionsv1alpha1.ScaleTargetRef{
Name: "test-name",
},
ScaleUpTriggers: []actionsv1alpha1.ScaleUpTrigger{
{
GitHubEvent: &actionsv1alpha1.GitHubEventScaleUpTriggerSpec{
WorkflowJob: &actionsv1alpha1.WorkflowJobSpec{},
},
},
},
},
}
rd := &actionsv1alpha1.RunnerDeployment{
ObjectMeta: metav1.ObjectMeta{
Name: "test-name",
},
Spec: actionsv1alpha1.RunnerDeploymentSpec{
Template: actionsv1alpha1.RunnerTemplate{
ObjectMeta: metav1.ObjectMeta{
Labels: map[string]string{
"label1": "label1",
},
},
Spec: actionsv1alpha1.RunnerSpec{
RunnerConfig: actionsv1alpha1.RunnerConfig{
Organization: "MYORG",
Labels: []string{"bad-label"},
},
},
},
},
}
initObjs := []runtime.Object{hra, rd}
testServerWithInitObjs(t,
"workflow_job",
&e,
200,
"no horizontalrunnerautoscaler to scale for this github event",
initObjs,
)
})
}
func TestWebhookWorkflowJobWithSelfHostedLabel(t *testing.T) {
setupTest := func() github.WorkflowJobEvent {
f, err := os.Open("testdata/org_webhook_workflow_job_with_self_hosted_label_payload.json")
if err != nil {
t.Fatalf("could not open the fixture: %s", err)
}
defer f.Close()
var e github.WorkflowJobEvent
if err := json.NewDecoder(f).Decode(&e); err != nil {
t.Fatalf("invalid json: %s", err)
}
return e
}
t.Run("Successful", func(t *testing.T) {
e := setupTest()
hra := &actionsv1alpha1.HorizontalRunnerAutoscaler{
ObjectMeta: metav1.ObjectMeta{
Name: "test-name",
},
Spec: actionsv1alpha1.HorizontalRunnerAutoscalerSpec{
ScaleTargetRef: actionsv1alpha1.ScaleTargetRef{
Name: "test-name",
},
ScaleUpTriggers: []actionsv1alpha1.ScaleUpTrigger{
{
GitHubEvent: &actionsv1alpha1.GitHubEventScaleUpTriggerSpec{
WorkflowJob: &actionsv1alpha1.WorkflowJobSpec{},
},
},
},
},
}
rd := &actionsv1alpha1.RunnerDeployment{
ObjectMeta: metav1.ObjectMeta{
Name: "test-name",
},
Spec: actionsv1alpha1.RunnerDeploymentSpec{
Template: actionsv1alpha1.RunnerTemplate{
Spec: actionsv1alpha1.RunnerSpec{
RunnerConfig: actionsv1alpha1.RunnerConfig{
Organization: "MYORG",
Labels: []string{"label1"},
},
},
},
},
}
initObjs := []runtime.Object{hra, rd}
testServerWithInitObjs(t,
"workflow_job",
&e,
200,
"scaled test-name by 1",
initObjs,
)
})
t.Run("WrongLabels", func(t *testing.T) {
e := setupTest()
hra := &actionsv1alpha1.HorizontalRunnerAutoscaler{
ObjectMeta: metav1.ObjectMeta{
Name: "test-name",
},
Spec: actionsv1alpha1.HorizontalRunnerAutoscalerSpec{
ScaleTargetRef: actionsv1alpha1.ScaleTargetRef{
Name: "test-name",
},
ScaleUpTriggers: []actionsv1alpha1.ScaleUpTrigger{
{
GitHubEvent: &actionsv1alpha1.GitHubEventScaleUpTriggerSpec{
WorkflowJob: &actionsv1alpha1.WorkflowJobSpec{},
},
},
},
},
}
rd := &actionsv1alpha1.RunnerDeployment{
ObjectMeta: metav1.ObjectMeta{
Name: "test-name",
},
Spec: actionsv1alpha1.RunnerDeploymentSpec{
Template: actionsv1alpha1.RunnerTemplate{
Spec: actionsv1alpha1.RunnerSpec{
RunnerConfig: actionsv1alpha1.RunnerConfig{
Organization: "MYORG",
Labels: []string{"bad-label"},
},
},
},
},
}
initObjs := []runtime.Object{hra, rd}
testServerWithInitObjs(t,
"workflow_job",
&e,
200,
"no horizontalrunnerautoscaler to scale for this github event",
initObjs,
)
})
// This test verifies that the old way of matching labels doesn't work anymore
t.Run("OldLabels", func(t *testing.T) {
e := setupTest()
hra := &actionsv1alpha1.HorizontalRunnerAutoscaler{
ObjectMeta: metav1.ObjectMeta{
Name: "test-name",
},
Spec: actionsv1alpha1.HorizontalRunnerAutoscalerSpec{
ScaleTargetRef: actionsv1alpha1.ScaleTargetRef{
Name: "test-name",
},
ScaleUpTriggers: []actionsv1alpha1.ScaleUpTrigger{
{
GitHubEvent: &actionsv1alpha1.GitHubEventScaleUpTriggerSpec{
WorkflowJob: &actionsv1alpha1.WorkflowJobSpec{},
},
},
},
},
}
rd := &actionsv1alpha1.RunnerDeployment{
ObjectMeta: metav1.ObjectMeta{
Name: "test-name",
},
Spec: actionsv1alpha1.RunnerDeploymentSpec{
Template: actionsv1alpha1.RunnerTemplate{
ObjectMeta: metav1.ObjectMeta{
Labels: map[string]string{
"label1": "label1",
},
},
Spec: actionsv1alpha1.RunnerSpec{
RunnerConfig: actionsv1alpha1.RunnerConfig{
Organization: "MYORG",
Labels: []string{"bad-label"},
},
},
},
},
}
initObjs := []runtime.Object{hra, rd}
testServerWithInitObjs(t,
"workflow_job",
&e,
200,
"no horizontalrunnerautoscaler to scale for this github event",
initObjs,
)
})
}
func TestGetRequest(t *testing.T) {
hra := HorizontalRunnerAutoscalerGitHubWebhook{}
request, _ := http.NewRequest(http.MethodGet, "/", nil)
recorder := httptest.ResponseRecorder{}
hra.Handle(&recorder, request)
response := recorder.Result()
if response.StatusCode != http.StatusOK {
t.Errorf("want %d, got %d", http.StatusOK, response.StatusCode)
}
}
func TestGetValidCapacityReservations(t *testing.T) {
now := time.Now()
duration, _ := time.ParseDuration("10m")
effectiveTime := now.Add(-duration)
hra := &actionsv1alpha1.HorizontalRunnerAutoscaler{
Spec: actionsv1alpha1.HorizontalRunnerAutoscalerSpec{
CapacityReservations: []actionsv1alpha1.CapacityReservation{
{
EffectiveTime: metav1.Time{Time: effectiveTime.Add(-time.Second)},
ExpirationTime: metav1.Time{Time: now.Add(-time.Second)},
Replicas: 1,
},
{
EffectiveTime: metav1.Time{Time: effectiveTime},
ExpirationTime: metav1.Time{Time: now},
Replicas: 2,
},
{
EffectiveTime: metav1.Time{Time: effectiveTime.Add(time.Second)},
ExpirationTime: metav1.Time{Time: now.Add(time.Second)},
Replicas: 3,
},
},
},
}
revs := getValidCapacityReservations(hra)
var count int
for _, r := range revs {
count += r.Replicas
}
want := 3
if count != want {
t.Errorf("want %d, got %d", want, count)
}
}
func installTestLogger(webhook *HorizontalRunnerAutoscalerGitHubWebhook) *bytes.Buffer {
logs := &bytes.Buffer{}
sink := &testLogSink{
name: "testlog",
writer: logs,
}
log := logr.New(sink)
webhook.Log = log
return logs
}
func testServerWithInitObjs(t *testing.T, eventType string, event interface{}, wantCode int, wantBody string, initObjs []runtime.Object) {
t.Helper()
hraWebhook := &HorizontalRunnerAutoscalerGitHubWebhook{}
client := fake.NewClientBuilder().
WithScheme(sc).
WithRuntimeObjects(initObjs...).
WithIndex(&actionsv1alpha1.HorizontalRunnerAutoscaler{}, scaleTargetKey, hraWebhook.indexer).
Build()
logs := installTestLogger(hraWebhook)
defer func() {
if t.Failed() {
t.Logf("diagnostics: %s", logs.String())
}
}()
hraWebhook.Client = client
mux := http.NewServeMux()
mux.HandleFunc("/", hraWebhook.Handle)
server := httptest.NewServer(mux)
defer server.Close()
resp, err := sendWebhook(server, eventType, event)
if err != nil {
t.Fatal(err)
}
defer func() {
if resp != nil {
resp.Body.Close()
}
}()
if resp.StatusCode != wantCode {
t.Error("status:", resp.StatusCode)
}
respBody, err := io.ReadAll(resp.Body)
if err != nil {
t.Fatal(err)
}
if string(respBody) != wantBody {
t.Fatal("body:", string(respBody))
}
}
func testServer(t *testing.T, eventType string, event interface{}, wantCode int, wantBody string) {
var initObjs []runtime.Object
testServerWithInitObjs(t, eventType, event, wantCode, wantBody, initObjs)
}
func sendWebhook(server *httptest.Server, eventType string, event interface{}) (*http.Response, error) {
jsonBuf := &bytes.Buffer{}
enc := json.NewEncoder(jsonBuf)
enc.SetIndent(" ", "")
err := enc.Encode(event)
if err != nil {
return nil, fmt.Errorf("[bug in test] encoding event to json: %+v", err)
}
reqBody := jsonBuf.Bytes()
u, err := url.Parse(server.URL)
if err != nil {
return nil, fmt.Errorf("parsing server url: %v", err)
}
req := &http.Request{
Method: http.MethodPost,
URL: u,
Header: map[string][]string{
"X-GitHub-Event": {eventType},
"Content-Type": {"application/json"},
},
Body: io.NopCloser(bytes.NewBuffer(reqBody)),
}
return http.DefaultClient.Do(req)
}
// testLogSink is a sample logr.Logger that logs in-memory.
// It's only for testing log outputs.
type testLogSink struct {
name string
keyValues map[string]interface{}
writer io.Writer
}
var _ logr.LogSink = &testLogSink{}
func (l *testLogSink) Init(_ logr.RuntimeInfo) {
}
func (l *testLogSink) Info(_ int, msg string, kvs ...interface{}) {
fmt.Fprintf(l.writer, "%s] %s\t", l.name, msg)
for k, v := range l.keyValues {
fmt.Fprintf(l.writer, "%s=%+v ", k, v)
}
for i := 0; i < len(kvs); i += 2 {
fmt.Fprintf(l.writer, "%s=%+v ", kvs[i], kvs[i+1])
}
fmt.Fprintf(l.writer, "\n")
}
func (*testLogSink) Enabled(level int) bool {
return true
}
func (l *testLogSink) Error(err error, msg string, kvs ...interface{}) {
kvs = append(kvs, "error", err)
l.Info(0, msg, kvs...)
}
func (l *testLogSink) WithName(name string) logr.LogSink {
return &testLogSink{
name: l.name + "." + name,
keyValues: l.keyValues,
writer: l.writer,
}
}
func (l *testLogSink) WithValues(kvs ...interface{}) logr.LogSink {
newMap := make(map[string]interface{}, len(l.keyValues)+len(kvs)/2)
for k, v := range l.keyValues {
newMap[k] = v
}
for i := 0; i < len(kvs); i += 2 {
newMap[kvs[i].(string)] = kvs[i+1]
}
return &testLogSink{
name: l.name,
keyValues: newMap,
writer: l.writer,
}
}