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pvc.go
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pvc.go
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package controllers
import (
"context"
corev1 "k8s.io/api/core/v1"
kerrors "k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"github.com/milvus-io/milvus-operator/apis/milvus.io/v1beta1"
"github.com/pkg/errors"
)
func getPVCNameByInstName(instName string) string {
return instName + "-data"
}
func (r *MilvusReconciler) ReconcilePVCs(ctx context.Context, mil v1beta1.Milvus) error {
persistence := mil.Spec.Dep.RocksMQ.Persistence
needPVC := persistence.Enabled && len(persistence.PersistentVolumeClaim.ExistingClaim) < 1
if !needPVC {
return nil
}
// if needPVC
namespacedName := NamespacedName(mil.Namespace, getPVCNameByInstName(mil.Name))
return r.syncUpdatePVC(ctx, namespacedName, persistence.PersistentVolumeClaim)
}
func (r *MilvusReconciler) syncUpdatePVC(ctx context.Context, namespacedName types.NamespacedName, milvusPVC v1beta1.PersistentVolumeClaim) error {
old := &corev1.PersistentVolumeClaim{}
err := r.Client.Get(ctx, namespacedName, old)
if kerrors.IsNotFound(err) {
new := &corev1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{
Name: namespacedName.Name,
Namespace: namespacedName.Namespace,
},
}
r.syncPVC(ctx, milvusPVC, new)
r.logger.Info("Create PersistentVolumeClaim", "name", new.Name, "namespace", new.Namespace)
return r.Create(ctx, new)
}
if err != nil {
return errors.Wrap(err, "failed to get data pvc")
}
new := old.DeepCopy()
r.syncPVC(ctx, milvusPVC, new)
// volume name set by pvc controller
new.Spec.VolumeName = old.Spec.VolumeName
if milvusPVC.Spec.StorageClassName == nil {
// if nil, default storage class name set by pvc controller
new.Spec.StorageClassName = old.Spec.StorageClassName
}
if IsEqual(old, new) {
return nil
}
r.logger.Info("Update PVC", "name", new.Name, "namespace", new.Namespace)
err = r.Client.Update(ctx, new)
return errors.Wrap(err, "failed to update data pvc")
}
func (r *MilvusReconciler) syncPVC(ctx context.Context, milvusPVC v1beta1.PersistentVolumeClaim, pvc *corev1.PersistentVolumeClaim) {
pvc.Labels = milvusPVC.Labels
pvc.Annotations = milvusPVC.Annotations
pvc.Spec = milvusPVC.Spec
if len(pvc.Spec.AccessModes) < 1 {
pvc.Spec.AccessModes = []corev1.PersistentVolumeAccessMode{
corev1.ReadWriteOnce,
}
}
if pvc.Spec.Resources.Requests == nil {
pvc.Spec.Resources.Requests = corev1.ResourceList{}
}
if pvc.Spec.Resources.Requests.Storage().IsZero() {
q := resource.Quantity{}
q.Set(defaultPVCSize)
pvc.Spec.Resources.Requests[corev1.ResourceStorage] = q
}
}
// 5Gi
var defaultPVCSize int64 = 5 * 1024 * 1024 * 1024