seaweedfs-operator/controllers/controller_volume.go
2020-10-17 02:25:23 -07:00

96 lines
3.5 KiB
Go

package controllers
import (
"context"
appsv1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/types"
ctrl "sigs.k8s.io/controller-runtime"
seaweedv1 "github.com/seaweedfs/seaweedfs-operator/api/v1"
)
func (r *SeaweedReconciler) ensureVolumeServers(seaweedCR *seaweedv1.Seaweed) (done bool, result ctrl.Result, err error) {
_ = context.Background()
_ = r.Log.WithValues("seaweed", seaweedCR.Name)
if done, result, err = r.ensureVolumeServerStatefulSet(seaweedCR); done {
return
}
if done, result, err = r.ensureVolumeServerService(seaweedCR); done {
return
}
return
}
func (r *SeaweedReconciler) ensureVolumeServerStatefulSet(seaweedCR *seaweedv1.Seaweed) (bool, ctrl.Result, error) {
ctx := context.Background()
log := r.Log.WithValues("sw-volume-statefulset", seaweedCR.Name)
volumeServerStatefulSet := &appsv1.StatefulSet{}
err := r.Get(ctx, types.NamespacedName{Name: seaweedCR.Name + "-volume", Namespace: seaweedCR.Namespace}, volumeServerStatefulSet)
if err != nil && errors.IsNotFound(err) {
// Define a new deployment
dep := r.createVolumeServerStatefulSet(seaweedCR)
log.Info("Creating a new volume statefulset", "Namespace", dep.Namespace, "Name", dep.Name)
err = r.Create(ctx, dep)
if err != nil {
log.Error(err, "Failed to create new volume statefulset", "Namespace", dep.Namespace, "Name", dep.Name)
return ReconcileResult(err)
}
// Deployment created successfully - return and requeue
return ReconcileResult(err)
} else if err != nil {
log.Error(err, "Failed to get volume server statefulset")
return ReconcileResult(err)
}
if *volumeServerStatefulSet.Spec.Replicas != seaweedCR.Spec.VolumeServerCount ||
volumeServerStatefulSet.Spec.Template.Spec.Containers[0].Image != seaweedCR.Spec.Image {
volumeServerStatefulSet.Spec.Replicas = &seaweedCR.Spec.VolumeServerCount
volumeServerStatefulSet.Spec.Template.Spec.Containers[0].Image = seaweedCR.Spec.Image
if err = r.Update(ctx, volumeServerStatefulSet); err != nil {
log.Error(err, "Failed to update volume statefulset", "Namespace", volumeServerStatefulSet.Namespace, "Name", volumeServerStatefulSet.Name)
return ReconcileResult(err)
}
// Deployment created successfully - return and requeue
return ReconcileResult(err)
}
log.Info("Get volume stateful set " + volumeServerStatefulSet.Name)
return ReconcileResult(err)
}
func (r *SeaweedReconciler) ensureVolumeServerService(seaweedCR *seaweedv1.Seaweed) (bool, ctrl.Result, error) {
ctx := context.Background()
log := r.Log.WithValues("sw-volume-service", seaweedCR.Name)
volumeServerService := &corev1.Service{}
err := r.Get(ctx, types.NamespacedName{Name: seaweedCR.Name + "-volume", Namespace: seaweedCR.Namespace}, volumeServerService)
if err != nil && errors.IsNotFound(err) {
// Define a new deployment
dep := r.createVolumeServerService(seaweedCR)
log.Info("Creating a new volume service", "Namespace", dep.Namespace, "Name", dep.Name)
err = r.Create(ctx, dep)
if err != nil {
log.Error(err, "Failed to create new volume service", "Namespace", dep.Namespace, "Name", dep.Name)
return ReconcileResult(err)
}
// Deployment created successfully - return and requeue
return ReconcileResult(err)
} else if err != nil {
log.Error(err, "Failed to get volume server service")
return ReconcileResult(err)
}
log.Info("Get volume service " + volumeServerService.Name)
return ReconcileResult(err)
}
func labelsForVolumeServer(name string) map[string]string {
return map[string]string{"app": "seaweedfs", "role": "volume", "name": name}
}