seaweedfs-operator/controllers/controller_volume.go

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package controllers
import (
"context"
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"k8s.io/apimachinery/pkg/runtime"
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appsv1 "k8s.io/api/apps/v1"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
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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.ensureVolumeServerService(seaweedCR); done {
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return
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}
if done, result, err = r.ensureVolumeServerStatefulSet(seaweedCR); done {
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return
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}
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return
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}
func (r *SeaweedReconciler) ensureVolumeServerStatefulSet(seaweedCR *seaweedv1.Seaweed) (bool, ctrl.Result, error) {
log := r.Log.WithValues("sw-volume-statefulset", seaweedCR.Name)
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volumeServerStatefulSet := r.createVolumeServerStatefulSet(seaweedCR)
if err := controllerutil.SetControllerReference(seaweedCR, volumeServerStatefulSet, r.Scheme); err != nil {
return ReconcileResult(err)
}
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_, err := r.CreateOrUpdate(volumeServerStatefulSet, func(existing, desired runtime.Object) error {
existingStatefulSet := existing.(*appsv1.StatefulSet)
desiredStatefulSet := desired.(*appsv1.StatefulSet)
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existingStatefulSet.Spec.Replicas = desiredStatefulSet.Spec.Replicas
existingStatefulSet.Spec.Template.Spec.Containers[0].Image = desiredStatefulSet.Spec.Template.Spec.Containers[0].Image
return nil
})
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log.Info("ensure volume stateful set " + volumeServerStatefulSet.Name)
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return ReconcileResult(err)
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}
func (r *SeaweedReconciler) ensureVolumeServerService(seaweedCR *seaweedv1.Seaweed) (bool, ctrl.Result, error) {
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log := r.Log.WithValues("sw-volume-service", seaweedCR.Name)
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volumeServerService := r.createVolumeServerService(seaweedCR)
if err := controllerutil.SetControllerReference(seaweedCR, volumeServerService, r.Scheme); err != nil {
return ReconcileResult(err)
}
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_, err := r.CreateOrUpdateService(volumeServerService)
log.Info("ensure volume service " + volumeServerService.Name)
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return ReconcileResult(err)
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}
func labelsForVolumeServer(name string) map[string]string {
return map[string]string{"app": "seaweedfs", "role": "volume", "name": name}
}