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integration: extract statefulset stub to separate package
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,124 @@ | ||
| // Copyright (C) 2017 ScyllaDB | ||
|
|
||
| package integration | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "time" | ||
|
|
||
| "github.com/onsi/ginkgo" | ||
| "github.com/scylladb/go-log" | ||
| scyllav1alpha1 "github.com/scylladb/scylla-operator/pkg/api/v1alpha1" | ||
| "github.com/scylladb/scylla-operator/pkg/naming" | ||
| appsv1 "k8s.io/api/apps/v1" | ||
| corev1 "k8s.io/api/core/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
| ) | ||
|
|
||
| type statefulSetOperatorStub struct { | ||
| t ginkgo.GinkgoTInterface | ||
| env *TestEnvironment | ||
| interval time.Duration | ||
| logger log.Logger | ||
| } | ||
|
|
||
| func NewStatefulSetOperatorStub(t ginkgo.GinkgoTInterface, env *TestEnvironment, interval time.Duration) *statefulSetOperatorStub { | ||
| return &statefulSetOperatorStub{ | ||
| t: t, | ||
| env: env, | ||
| interval: interval, | ||
| logger: env.logger.Named("sts_stub"), | ||
| } | ||
| } | ||
|
|
||
| func (s *statefulSetOperatorStub) Start(ctx context.Context, name, namespace string) { | ||
| go func() { | ||
| ticker := time.NewTicker(s.interval) | ||
| defer ticker.Stop() | ||
|
|
||
| for { | ||
| select { | ||
| case <-ctx.Done(): | ||
| return | ||
| case <-ticker.C: | ||
| cluster := &scyllav1alpha1.ScyllaCluster{} | ||
| if err := s.env.Get(ctx, client.ObjectKey{ | ||
| Name: name, | ||
| Namespace: namespace, | ||
| }, cluster); err != nil { | ||
| s.t.Errorf("refresh scylla cluster obj, err: %s", err) | ||
| continue | ||
| } | ||
|
|
||
| if err := s.syncStatefulSet(ctx, cluster); err != nil { | ||
| s.t.Errorf("sync statefulset, err: %s", err) | ||
| } | ||
| } | ||
| } | ||
| }() | ||
| } | ||
|
|
||
| func (s *statefulSetOperatorStub) syncStatefulSet(ctx context.Context, cluster *scyllav1alpha1.ScyllaCluster) error { | ||
| stss := &appsv1.StatefulSetList{} | ||
| err := s.env.List(ctx, stss, &client.ListOptions{Namespace: cluster.Namespace}) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| for _, sts := range stss.Items { | ||
| var rack scyllav1alpha1.RackSpec | ||
| for _, r := range cluster.Spec.Datacenter.Racks { | ||
| if sts.Name == naming.StatefulSetNameForRack(r, cluster) { | ||
| rack = r | ||
| break | ||
| } | ||
| } | ||
|
|
||
| podTemplate := corev1.Pod{ | ||
| TypeMeta: metav1.TypeMeta{ | ||
| Kind: "Pod", | ||
| APIVersion: "v1", | ||
| }, | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: "template", | ||
| Namespace: sts.Namespace, | ||
| Labels: naming.RackLabels(rack, cluster), | ||
| }, | ||
| Spec: sts.Spec.Template.Spec, | ||
| Status: corev1.PodStatus{ | ||
| Phase: corev1.PodRunning, | ||
| }, | ||
| } | ||
|
|
||
| for i, c := range podTemplate.Spec.Containers { | ||
| podTemplate.Spec.Containers[i].VolumeMounts = []corev1.VolumeMount{} | ||
| podTemplate.Status.ContainerStatuses = append(podTemplate.Status.ContainerStatuses, corev1.ContainerStatus{ | ||
| Name: c.Name, | ||
| Ready: true, | ||
| }) | ||
| } | ||
|
|
||
| for i := sts.Status.Replicas; i < *sts.Spec.Replicas; i++ { | ||
| pod := podTemplate.DeepCopy() | ||
| pod.Name = fmt.Sprintf("%s-%d", sts.Name, i) | ||
| pod.Spec.Hostname = pod.Name | ||
| pod.Spec.Subdomain = cluster.Name | ||
| s.logger.Info(ctx, "Spawning fake Pod", "sts", sts.Name, "pod", pod.Name) | ||
| if err := s.env.Create(ctx, pod); err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
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||
| sts.Status.Replicas = *sts.Spec.Replicas | ||
| sts.Status.ReadyReplicas = *sts.Spec.Replicas | ||
| sts.Status.ObservedGeneration = sts.Generation | ||
| s.logger.Info(ctx, "Updating StatefulSet status", "replicas", sts.Status.Replicas, "observed_generation", sts.Status.ObservedGeneration) | ||
| if err := s.env.Status().Update(ctx, &sts); err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } |