/
upgrade.go
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/
upgrade.go
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package v15xto160
import (
"context"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
apierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
clientset "k8s.io/client-go/kubernetes"
"github.com/longhorn/longhorn-manager/types"
longhorn "github.com/longhorn/longhorn-manager/k8s/pkg/apis/longhorn/v1beta2"
lhclientset "github.com/longhorn/longhorn-manager/k8s/pkg/client/clientset/versioned"
upgradeutil "github.com/longhorn/longhorn-manager/upgrade/util"
)
const (
upgradeLogPrefix = "upgrade from v1.5.x to v1.6.0: "
)
func UpgradeResources(namespace string, lhClient *lhclientset.Clientset, kubeClient *clientset.Clientset, resourceMaps map[string]interface{}) error {
// We will probably need to upgrade other resources as well. See upgradeVolumes or previous Longhorn versions for
// examples.
if err := upgradeVolumes(namespace, lhClient, resourceMaps); err != nil {
return err
}
if err := upgradeEngines(namespace, lhClient, resourceMaps); err != nil {
return err
}
if err := upgradeReplicas(namespace, lhClient, resourceMaps); err != nil {
return err
}
if err := upgradeInstanceManagers(namespace, lhClient, resourceMaps); err != nil {
return err
}
if err := upgradeVolumeAttachments(namespace, lhClient, resourceMaps); err != nil {
return err
}
return deleteCSIServices(namespace, kubeClient)
}
func upgradeVolumes(namespace string, lhClient *lhclientset.Clientset, resourceMaps map[string]interface{}) (err error) {
defer func() {
err = errors.Wrapf(err, upgradeLogPrefix+"upgrade volume failed")
}()
volumeMap, err := upgradeutil.ListAndUpdateVolumesInProvidedCache(namespace, lhClient, resourceMaps)
if err != nil {
if apierrors.IsNotFound(err) {
return nil
}
return errors.Wrapf(err, "failed to list all existing Longhorn volumes during the volume upgrade")
}
for _, v := range volumeMap {
if v.Spec.ReplicaDiskSoftAntiAffinity == "" {
v.Spec.ReplicaDiskSoftAntiAffinity = longhorn.ReplicaDiskSoftAntiAffinityDefault
}
if v.Spec.Image == "" {
v.Spec.Image = v.Spec.EngineImage
v.Spec.EngineImage = ""
}
if v.Spec.BackendStoreDriver == "" {
v.Spec.DataEngine = longhorn.DataEngineTypeV1
} else {
v.Spec.DataEngine = longhorn.DataEngineType(v.Spec.BackendStoreDriver)
}
}
return nil
}
func upgradeInstanceManagers(namespace string, lhClient *lhclientset.Clientset, resourceMaps map[string]interface{}) (err error) {
defer func() {
err = errors.Wrapf(err, upgradeLogPrefix+"upgrade instanceManager failed")
}()
imMap, err := upgradeutil.ListAndUpdateInstanceManagersInProvidedCache(namespace, lhClient, resourceMaps)
if err != nil {
if apierrors.IsNotFound(err) {
return nil
}
return errors.Wrapf(err, "failed to list all existing Longhorn instanceManagers during the instanceManager upgrade")
}
for _, im := range imMap {
if im.Labels != nil {
im.Labels[types.GetLonghornLabelKey(types.LonghornLabelDataEngine)] = string(longhorn.DataEngineTypeV1)
}
if im.Spec.DataEngine == "" {
im.Spec.DataEngine = longhorn.DataEngineTypeV1
}
}
return nil
}
func upgradeEngines(namespace string, lhClient *lhclientset.Clientset, resourceMaps map[string]interface{}) (err error) {
defer func() {
err = errors.Wrapf(err, upgradeLogPrefix+"upgrade engine failed")
}()
engineMap, err := upgradeutil.ListAndUpdateEnginesInProvidedCache(namespace, lhClient, resourceMaps)
if err != nil {
if apierrors.IsNotFound(err) {
return nil
}
return errors.Wrapf(err, "failed to list all existing Longhorn engines during the engine upgrade")
}
for _, e := range engineMap {
if e.Spec.Image == "" {
e.Spec.Image = e.Spec.EngineImage
e.Spec.EngineImage = ""
}
if e.Spec.BackendStoreDriver == "" {
e.Spec.DataEngine = longhorn.DataEngineTypeV1
} else {
e.Spec.DataEngine = longhorn.DataEngineType(e.Spec.BackendStoreDriver)
}
}
return nil
}
func upgradeReplicas(namespace string, lhClient *lhclientset.Clientset, resourceMaps map[string]interface{}) (err error) {
defer func() {
err = errors.Wrapf(err, upgradeLogPrefix+"upgrade replica failed")
}()
replicaMap, err := upgradeutil.ListAndUpdateReplicasInProvidedCache(namespace, lhClient, resourceMaps)
if err != nil {
if apierrors.IsNotFound(err) {
return nil
}
return errors.Wrapf(err, "failed to list all existing Longhorn replicas during the replica upgrade")
}
for _, r := range replicaMap {
if r.Spec.Image == "" {
r.Spec.Image = r.Spec.EngineImage
r.Spec.EngineImage = ""
}
if r.Spec.BackendStoreDriver == "" {
r.Spec.DataEngine = longhorn.DataEngineTypeV1
} else {
r.Spec.DataEngine = longhorn.DataEngineType(r.Spec.BackendStoreDriver)
}
r.Spec.EvictionRequested = r.Status.EvictionRequested
}
return nil
}
func upgradeVolumeAttachments(namespace string, lhClient *lhclientset.Clientset, resourceMaps map[string]interface{}) (err error) {
defer func() {
err = errors.Wrapf(err, upgradeLogPrefix+"upgrade VolumeAttachment failed")
}()
volumeAttachmentMap, err := upgradeutil.ListAndUpdateVolumeAttachmentsInProvidedCache(namespace, lhClient, resourceMaps)
if err != nil {
if apierrors.IsNotFound(err) {
return nil
}
return errors.Wrapf(err, "failed to list all existing Longhorn VolumeAttachments during the Longhorn VolumeAttachment upgrade")
}
snapshotMap, err := upgradeutil.ListAndUpdateSnapshotsInProvidedCache(namespace, lhClient, resourceMaps)
if err != nil {
if apierrors.IsNotFound(err) {
return nil
}
return errors.Wrapf(err, "failed to list all existing Snapshots during the Longhorn VolumeAttachment a upgrade")
}
ticketIDsForExistingSnapshotsMap := map[string]interface{}{}
for snapshotName := range snapshotMap {
ticketID := longhorn.GetAttachmentTicketID(longhorn.AttacherTypeSnapshotController, snapshotName)
ticketIDsForExistingSnapshotsMap[ticketID] = nil
}
// Previous Longhorn versions may have created attachmentTickets for snapshots that no longer exist. Clean these up.
for _, volumeAttachment := range volumeAttachmentMap {
for ticketID, ticket := range volumeAttachment.Spec.AttachmentTickets {
if ticket.Type != longhorn.AttacherTypeSnapshotController {
continue
}
if _, ok := ticketIDsForExistingSnapshotsMap[ticketID]; !ok {
delete(volumeAttachment.Spec.AttachmentTickets, ticketID)
}
}
}
return nil
}
func deleteCSIServices(namespace string, kubeClient *clientset.Clientset) (err error) {
defer func() {
err = errors.Wrapf(err, upgradeLogPrefix+"delete CSI service failed")
}()
servicesToDelete := map[string]struct{}{
types.CSIAttacherName: {},
types.CSIProvisionerName: {},
types.CSIResizerName: {},
types.CSISnapshotterName: {},
}
servicesInCluster, err := kubeClient.CoreV1().Services(namespace).List(context.TODO(), metav1.ListOptions{})
if err != nil {
return errors.Wrapf(err, "failed to list all existing Longhorn services during the CSI service deletion")
}
for _, serviceInCluster := range servicesInCluster.Items {
if _, ok := servicesToDelete[serviceInCluster.Name]; !ok {
continue
}
if err = kubeClient.CoreV1().Services(namespace).Delete(context.TODO(), serviceInCluster.Name, metav1.DeleteOptions{}); err != nil {
// Best effort. Dummy services have no function and no finalizer, so we can proceed on failure.
logrus.Warnf("Deprecated CSI dummy service could not be deleted during upgrade: %v", err)
}
}
return nil
}
func UpgradeResourcesStatus(namespace string, lhClient *lhclientset.Clientset, kubeClient *clientset.Clientset, resourceMaps map[string]interface{}) error {
// Currently there are no statuses to upgrade. See UpgradeResources -> upgradeVolumes or previous Longhorn versions
// for examples.
return nil
}