497 lines
14 KiB
Go
497 lines
14 KiB
Go
package actionssummerwindnet
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import (
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"context"
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"fmt"
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"testing"
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"time"
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"github.com/google/go-cmp/cmp"
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"k8s.io/apimachinery/pkg/runtime"
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corev1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/client-go/kubernetes/scheme"
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ctrl "sigs.k8s.io/controller-runtime"
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logf "sigs.k8s.io/controller-runtime/pkg/log"
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. "github.com/onsi/ginkgo/v2"
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. "github.com/onsi/gomega"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"sigs.k8s.io/controller-runtime/pkg/client"
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actionsv1alpha1 "github.com/actions/actions-runner-controller/apis/actions.summerwind.net/v1alpha1"
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)
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func TestNewRunnerReplicaSet(t *testing.T) {
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scheme := runtime.NewScheme()
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if err := actionsv1alpha1.AddToScheme(scheme); err != nil {
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t.Fatalf("%v", err)
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}
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r := &RunnerDeploymentReconciler{
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CommonRunnerLabels: []string{"dev"},
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Scheme: scheme,
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}
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rd := actionsv1alpha1.RunnerDeployment{
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ObjectMeta: metav1.ObjectMeta{
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Name: "example",
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},
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Spec: actionsv1alpha1.RunnerDeploymentSpec{
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Selector: &metav1.LabelSelector{
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MatchLabels: map[string]string{
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"foo": "bar",
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},
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},
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Template: actionsv1alpha1.RunnerTemplate{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{
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"foo": "bar",
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},
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},
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Spec: actionsv1alpha1.RunnerSpec{
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RunnerConfig: actionsv1alpha1.RunnerConfig{
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Labels: []string{"project1"},
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},
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},
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},
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},
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}
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rs, err := r.newRunnerReplicaSet(rd)
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if err != nil {
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t.Fatalf("%v", err)
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}
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if val, ok := rs.Labels["foo"]; ok {
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if val != "bar" {
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t.Errorf("foo label does not have bar but %v", val)
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}
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} else {
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t.Errorf("foo label does not exist")
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}
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hash1, ok := rs.Labels[LabelKeyRunnerTemplateHash]
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if !ok {
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t.Errorf("missing runner-template-hash label")
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}
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runnerLabel := []string{"project1", "dev"}
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if d := cmp.Diff(runnerLabel, rs.Spec.Template.Spec.Labels); d != "" {
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t.Errorf("%s", d)
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}
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rd2 := rd.DeepCopy()
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rd2.Spec.Template.Spec.Labels = []string{"project2"}
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rs2, err := r.newRunnerReplicaSet(*rd2)
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if err != nil {
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t.Fatalf("%v", err)
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}
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hash2, ok := rs2.Labels[LabelKeyRunnerTemplateHash]
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if !ok {
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t.Errorf("missing runner-template-hash label")
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}
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if hash1 == hash2 {
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t.Errorf(
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"runner replica sets from runner deployments with varying labels must have different template hash, but got %s and %s",
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hash1, hash2,
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)
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}
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rd3 := rd.DeepCopy()
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rd3.Spec.Template.Labels["foo"] = "baz"
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rs3, err := r.newRunnerReplicaSet(*rd3)
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if err != nil {
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t.Fatalf("%v", err)
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}
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hash3, ok := rs3.Labels[LabelKeyRunnerTemplateHash]
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if !ok {
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t.Errorf("missing runner-template-hash label")
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}
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if hash1 == hash3 {
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t.Errorf(
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"runner replica sets from runner deployments with varying meta labels must have different template hash, but got %s and %s",
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hash1, hash3,
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)
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}
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}
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// SetupDeploymentTest will set up a testing environment.
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// This includes:
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// * creating a Namespace to be used during the test
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// * starting the 'RunnerDeploymentReconciler'
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// * stopping the 'RunnerDeploymentReconciler" after the test ends
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// Call this function at the start of each of your tests.
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func SetupDeploymentTest(ctx2 context.Context) *corev1.Namespace {
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var ctx context.Context
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var cancel func()
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ns := &corev1.Namespace{}
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BeforeEach(func() {
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ctx, cancel = context.WithCancel(ctx2)
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*ns = corev1.Namespace{
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ObjectMeta: metav1.ObjectMeta{Name: "testns-" + randStringRunes(5)},
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}
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err := k8sClient.Create(ctx, ns)
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Expect(err).NotTo(HaveOccurred(), "failed to create test namespace")
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mgr, err := ctrl.NewManager(cfg, ctrl.Options{
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Namespace: ns.Name,
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})
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Expect(err).NotTo(HaveOccurred(), "failed to create manager")
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controller := &RunnerDeploymentReconciler{
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Client: mgr.GetClient(),
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Scheme: scheme.Scheme,
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Log: logf.Log,
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Recorder: mgr.GetEventRecorderFor("runnerreplicaset-controller"),
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Name: "runnerdeployment-" + ns.Name,
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}
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err = controller.SetupWithManager(mgr)
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Expect(err).NotTo(HaveOccurred(), "failed to setup controller")
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go func() {
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defer GinkgoRecover()
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err := mgr.Start(ctx)
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Expect(err).NotTo(HaveOccurred(), "failed to start manager")
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}()
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})
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AfterEach(func() {
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defer cancel()
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err := k8sClient.Delete(ctx, ns)
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Expect(err).NotTo(HaveOccurred(), "failed to delete test namespace")
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})
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return ns
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}
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var _ = Context("Inside of a new namespace", func() {
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ctx := context.TODO()
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ns := SetupDeploymentTest(ctx)
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Describe("when no existing resources exist", func() {
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It("should create a new RunnerReplicaSet resource from the specified template, add a another RunnerReplicaSet on template modification, and eventually removes old runnerreplicasets", func() {
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name := "example-runnerdeploy-1"
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{
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rs := &actionsv1alpha1.RunnerDeployment{
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ObjectMeta: metav1.ObjectMeta{
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Name: name,
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Namespace: ns.Name,
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},
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Spec: actionsv1alpha1.RunnerDeploymentSpec{
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Replicas: intPtr(1),
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Selector: &metav1.LabelSelector{
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MatchLabels: map[string]string{
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"foo": "bar",
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},
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},
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Template: actionsv1alpha1.RunnerTemplate{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{
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"foo": "bar",
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},
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},
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Spec: actionsv1alpha1.RunnerSpec{
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RunnerConfig: actionsv1alpha1.RunnerConfig{
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Repository: "test/valid",
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Image: "bar",
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},
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RunnerPodSpec: actionsv1alpha1.RunnerPodSpec{
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Env: []corev1.EnvVar{
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{Name: "FOO", Value: "FOOVALUE"},
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},
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},
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},
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},
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},
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}
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err := k8sClient.Create(ctx, rs)
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Expect(err).NotTo(HaveOccurred(), "failed to create test RunnerReplicaSet resource")
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runnerSets := actionsv1alpha1.RunnerReplicaSetList{Items: []actionsv1alpha1.RunnerReplicaSet{}}
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Eventually(
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func() (int, error) {
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selector, err := metav1.LabelSelectorAsSelector(rs.Spec.Selector)
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if err != nil {
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return 0, err
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}
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err = k8sClient.List(
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ctx,
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&runnerSets,
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client.InNamespace(ns.Name),
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client.MatchingLabelsSelector{Selector: selector},
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)
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if err != nil {
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return 0, err
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}
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if len(runnerSets.Items) != 1 {
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return 0, fmt.Errorf("runnerreplicasets is not 1 but %d", len(runnerSets.Items))
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}
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return *runnerSets.Items[0].Spec.Replicas, nil
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},
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time.Second*5, time.Millisecond*500).Should(BeEquivalentTo(1))
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}
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{
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// We wrap the update in the Eventually block to avoid the below error that occurs due to concurrent modification
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// made by the controller to update .Status.AvailableReplicas and .Status.ReadyReplicas
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// Operation cannot be fulfilled on runnersets.actions.summerwind.dev "example-runnerset": the object has been modified; please apply your changes to the latest version and try again
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var rd actionsv1alpha1.RunnerDeployment
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Eventually(func() error {
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err := k8sClient.Get(ctx, types.NamespacedName{Namespace: ns.Name, Name: name}, &rd)
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if err != nil {
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return fmt.Errorf("failed to get test RunnerReplicaSet resource: %v\n", err)
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}
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rd.Spec.Replicas = intPtr(2)
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return k8sClient.Update(ctx, &rd)
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},
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time.Second*1, time.Millisecond*500).Should(BeNil())
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runnerSets := actionsv1alpha1.RunnerReplicaSetList{Items: []actionsv1alpha1.RunnerReplicaSet{}}
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Eventually(
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func() (int, error) {
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selector, err := metav1.LabelSelectorAsSelector(rd.Spec.Selector)
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if err != nil {
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return 0, err
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}
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err = k8sClient.List(
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ctx,
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&runnerSets,
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client.InNamespace(ns.Name),
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client.MatchingLabelsSelector{Selector: selector},
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)
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if err != nil {
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return 0, err
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}
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if len(runnerSets.Items) != 1 {
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return 0, fmt.Errorf("runnerreplicasets is not 1 but %d", len(runnerSets.Items))
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}
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return *runnerSets.Items[0].Spec.Replicas, nil
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},
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time.Second*5, time.Millisecond*500).Should(BeEquivalentTo(2))
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}
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})
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It("should create a new RunnerReplicaSet resource from the specified template without labels and selector, add a another RunnerReplicaSet on template modification, and eventually removes old runnerreplicasets", func() {
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name := "example-runnerdeploy-2"
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{
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rs := &actionsv1alpha1.RunnerDeployment{
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ObjectMeta: metav1.ObjectMeta{
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Name: name,
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Namespace: ns.Name,
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},
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Spec: actionsv1alpha1.RunnerDeploymentSpec{
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Replicas: intPtr(1),
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Template: actionsv1alpha1.RunnerTemplate{
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Spec: actionsv1alpha1.RunnerSpec{
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RunnerConfig: actionsv1alpha1.RunnerConfig{
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Repository: "test/valid",
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Image: "bar",
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},
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RunnerPodSpec: actionsv1alpha1.RunnerPodSpec{
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Env: []corev1.EnvVar{
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{Name: "FOO", Value: "FOOVALUE"},
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},
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},
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},
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},
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},
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}
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err := k8sClient.Create(ctx, rs)
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Expect(err).NotTo(HaveOccurred(), "failed to create test RunnerReplicaSet resource")
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runnerSets := actionsv1alpha1.RunnerReplicaSetList{Items: []actionsv1alpha1.RunnerReplicaSet{}}
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Eventually(
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func() (int, error) {
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selector, err := metav1.LabelSelectorAsSelector(rs.Spec.Selector)
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if err != nil {
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return 0, err
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}
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err = k8sClient.List(
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ctx,
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&runnerSets,
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client.InNamespace(ns.Name),
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client.MatchingLabelsSelector{Selector: selector},
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)
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if err != nil {
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return 0, err
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}
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if len(runnerSets.Items) != 1 {
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return 0, fmt.Errorf("runnerreplicasets is not 1 but %d", len(runnerSets.Items))
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}
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return *runnerSets.Items[0].Spec.Replicas, nil
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},
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time.Second*5, time.Millisecond*500).Should(BeEquivalentTo(1))
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}
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{
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// We wrap the update in the Eventually block to avoid the below error that occurs due to concurrent modification
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// made by the controller to update .Status.AvailableReplicas and .Status.ReadyReplicas
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// Operation cannot be fulfilled on runnersets.actions.summerwind.dev "example-runnerset": the object has been modified; please apply your changes to the latest version and try again
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var rd actionsv1alpha1.RunnerDeployment
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Eventually(func() error {
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err := k8sClient.Get(ctx, types.NamespacedName{Namespace: ns.Name, Name: name}, &rd)
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if err != nil {
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return fmt.Errorf("failed to get test RunnerReplicaSet resource: %v\n", err)
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}
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rd.Spec.Replicas = intPtr(2)
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return k8sClient.Update(ctx, &rd)
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},
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time.Second*1, time.Millisecond*500).Should(BeNil())
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runnerSets := actionsv1alpha1.RunnerReplicaSetList{Items: []actionsv1alpha1.RunnerReplicaSet{}}
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Eventually(
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func() (int, error) {
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selector, err := metav1.LabelSelectorAsSelector(rd.Spec.Selector)
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if err != nil {
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return 0, err
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}
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err = k8sClient.List(
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ctx,
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&runnerSets,
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client.InNamespace(ns.Name),
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client.MatchingLabelsSelector{Selector: selector},
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)
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if err != nil {
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return 0, err
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}
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if len(runnerSets.Items) != 1 {
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return 0, fmt.Errorf("runnerreplicasets is not 1 but %d", len(runnerSets.Items))
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}
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return *runnerSets.Items[0].Spec.Replicas, nil
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},
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time.Second*5, time.Millisecond*500).Should(BeEquivalentTo(2))
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}
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})
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It("should adopt RunnerReplicaSet created before 0.18.0 to have Spec.Selector", func() {
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name := "example-runnerdeploy-2"
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{
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rd := &actionsv1alpha1.RunnerDeployment{
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ObjectMeta: metav1.ObjectMeta{
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Name: name,
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Namespace: ns.Name,
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},
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Spec: actionsv1alpha1.RunnerDeploymentSpec{
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Replicas: intPtr(1),
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Template: actionsv1alpha1.RunnerTemplate{
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Spec: actionsv1alpha1.RunnerSpec{
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RunnerConfig: actionsv1alpha1.RunnerConfig{
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Repository: "test/valid",
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Image: "bar",
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},
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RunnerPodSpec: actionsv1alpha1.RunnerPodSpec{
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Env: []corev1.EnvVar{
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{Name: "FOO", Value: "FOOVALUE"},
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},
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},
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},
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},
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},
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}
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createRDErr := k8sClient.Create(ctx, rd)
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Expect(createRDErr).NotTo(HaveOccurred(), "failed to create test RunnerReplicaSet resource")
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Eventually(
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func() (int, error) {
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runnerSets := actionsv1alpha1.RunnerReplicaSetList{Items: []actionsv1alpha1.RunnerReplicaSet{}}
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err := k8sClient.List(
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ctx,
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&runnerSets,
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client.InNamespace(ns.Name),
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)
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if err != nil {
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return 0, err
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}
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return len(runnerSets.Items), nil
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},
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time.Second*1, time.Millisecond*500).Should(BeEquivalentTo(1))
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var rs17 *actionsv1alpha1.RunnerReplicaSet
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Consistently(
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func() (*metav1.LabelSelector, error) {
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runnerSets := actionsv1alpha1.RunnerReplicaSetList{Items: []actionsv1alpha1.RunnerReplicaSet{}}
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err := k8sClient.List(
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ctx,
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&runnerSets,
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client.InNamespace(ns.Name),
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)
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if err != nil {
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return nil, err
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}
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if len(runnerSets.Items) != 1 {
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return nil, fmt.Errorf("runnerreplicasets is not 1 but %d", len(runnerSets.Items))
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}
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rs17 = &runnerSets.Items[0]
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return runnerSets.Items[0].Spec.Selector, nil
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},
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time.Second*1, time.Millisecond*500).Should(Not(BeNil()))
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// We simulate the old, pre 0.18.0 RunnerReplicaSet by updating it.
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// I've tried to use controllerutil.Set{Owner,Controller}Reference and k8sClient.Create(rs17)
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// but it didn't work due to missing RD UID, where UID is generated on K8s API server on k8sCLient.Create(rd)
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rs17.Spec.Selector = nil
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updateRSErr := k8sClient.Update(ctx, rs17)
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Expect(updateRSErr).NotTo(HaveOccurred())
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Eventually(
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func() (*metav1.LabelSelector, error) {
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runnerSets := actionsv1alpha1.RunnerReplicaSetList{Items: []actionsv1alpha1.RunnerReplicaSet{}}
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err := k8sClient.List(
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ctx,
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&runnerSets,
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client.InNamespace(ns.Name),
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)
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if err != nil {
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return nil, err
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}
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if len(runnerSets.Items) != 1 {
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return nil, fmt.Errorf("runnerreplicasets is not 1 but %d", len(runnerSets.Items))
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}
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return runnerSets.Items[0].Spec.Selector, nil
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},
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time.Second*1, time.Millisecond*500).Should(Not(BeNil()))
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}
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})
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})
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})
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