mirror of https://github.com/k3s-io/k3s
Merge pull request #74835 from davidz627/feature/adcFallback
Add logic for initializing CSINode on Node startup for CSI Migration [Replaces #70909]pull/564/head
commit
ad27abde62
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@ -223,6 +223,7 @@ func startAttachDetachController(ctx ControllerContext) (http.Handler, bool, err
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ctx.InformerFactory.Core().V1().Nodes(),
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ctx.InformerFactory.Core().V1().PersistentVolumeClaims(),
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ctx.InformerFactory.Core().V1().PersistentVolumes(),
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ctx.InformerFactory.Storage().V1beta1().CSINodes(),
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ctx.Cloud,
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ProbeAttachableVolumePlugins(),
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GetDynamicPluginProber(ctx.ComponentConfig.PersistentVolumeBinderController.VolumeConfiguration),
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@ -101,4 +101,10 @@ const (
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// This annotation will be used to compute the in-cluster network programming latency SLI, see
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// https://github.com/kubernetes/community/blob/master/sig-scalability/slos/network_programming_latency.md
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EndpointsLastChangeTriggerTime = "endpoints.kubernetes.io/last-change-trigger-time"
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// MigratedPluginsAnnotationKey is the annotation key, set for CSINode objects, that is a comma-separated
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// list of in-tree plugins that will be serviced by the CSI backend on the Node represented by CSINode.
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// This annotation is used by the Attach Detach Controller to determine whether to use the in-tree or
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// CSI Backend for a volume plugin on a specific node.
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MigratedPluginsAnnotationKey = "storage.alpha.kubernetes.io/migrated-plugins"
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)
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@ -18,6 +18,7 @@ go_library(
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"//pkg/controller/volume/attachdetach/reconciler:go_default_library",
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"//pkg/controller/volume/attachdetach/statusupdater:go_default_library",
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"//pkg/controller/volume/attachdetach/util:go_default_library",
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"//pkg/features:go_default_library",
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"//pkg/util/mount:go_default_library",
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"//pkg/volume:go_default_library",
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"//pkg/volume/util:go_default_library",
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@ -31,11 +32,14 @@ go_library(
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"//staging/src/k8s.io/apimachinery/pkg/types:go_default_library",
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"//staging/src/k8s.io/apimachinery/pkg/util/runtime:go_default_library",
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"//staging/src/k8s.io/apimachinery/pkg/util/wait:go_default_library",
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"//staging/src/k8s.io/apiserver/pkg/util/feature:go_default_library",
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"//staging/src/k8s.io/client-go/informers/core/v1:go_default_library",
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"//staging/src/k8s.io/client-go/informers/storage/v1beta1:go_default_library",
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"//staging/src/k8s.io/client-go/kubernetes:go_default_library",
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"//staging/src/k8s.io/client-go/kubernetes/scheme:go_default_library",
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"//staging/src/k8s.io/client-go/kubernetes/typed/core/v1:go_default_library",
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"//staging/src/k8s.io/client-go/listers/core/v1:go_default_library",
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"//staging/src/k8s.io/client-go/listers/storage/v1beta1:go_default_library",
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"//staging/src/k8s.io/client-go/tools/cache:go_default_library",
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"//staging/src/k8s.io/client-go/tools/record:go_default_library",
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"//staging/src/k8s.io/client-go/util/workqueue:go_default_library",
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@ -30,11 +30,14 @@ import (
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/apimachinery/pkg/util/runtime"
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"k8s.io/apimachinery/pkg/util/wait"
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utilfeature "k8s.io/apiserver/pkg/util/feature"
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coreinformers "k8s.io/client-go/informers/core/v1"
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storageinformers "k8s.io/client-go/informers/storage/v1beta1"
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clientset "k8s.io/client-go/kubernetes"
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"k8s.io/client-go/kubernetes/scheme"
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v1core "k8s.io/client-go/kubernetes/typed/core/v1"
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corelisters "k8s.io/client-go/listers/core/v1"
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storagelisters "k8s.io/client-go/listers/storage/v1beta1"
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kcache "k8s.io/client-go/tools/cache"
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"k8s.io/client-go/tools/record"
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"k8s.io/client-go/util/workqueue"
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@ -47,6 +50,7 @@ import (
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"k8s.io/kubernetes/pkg/controller/volume/attachdetach/reconciler"
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"k8s.io/kubernetes/pkg/controller/volume/attachdetach/statusupdater"
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"k8s.io/kubernetes/pkg/controller/volume/attachdetach/util"
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"k8s.io/kubernetes/pkg/features"
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"k8s.io/kubernetes/pkg/util/mount"
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"k8s.io/kubernetes/pkg/volume"
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volumeutil "k8s.io/kubernetes/pkg/volume/util"
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@ -101,6 +105,7 @@ func NewAttachDetachController(
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nodeInformer coreinformers.NodeInformer,
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pvcInformer coreinformers.PersistentVolumeClaimInformer,
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pvInformer coreinformers.PersistentVolumeInformer,
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csiNodeInformer storageinformers.CSINodeInformer,
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cloud cloudprovider.Interface,
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plugins []volume.VolumePlugin,
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prober volume.DynamicPluginProber,
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@ -136,6 +141,12 @@ func NewAttachDetachController(
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pvcQueue: workqueue.NewNamedRateLimitingQueue(workqueue.DefaultControllerRateLimiter(), "pvcs"),
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}
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if utilfeature.DefaultFeatureGate.Enabled(features.CSIMigration) &&
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utilfeature.DefaultFeatureGate.Enabled(features.CSINodeInfo) {
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adc.csiNodeLister = csiNodeInformer.Lister()
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adc.csiNodeSynced = csiNodeInformer.Informer().HasSynced
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}
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if err := adc.volumePluginMgr.InitPlugins(plugins, prober, adc); err != nil {
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return nil, fmt.Errorf("Could not initialize volume plugins for Attach/Detach Controller: %+v", err)
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}
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@ -257,6 +268,9 @@ type attachDetachController struct {
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nodeLister corelisters.NodeLister
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nodesSynced kcache.InformerSynced
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csiNodeLister storagelisters.CSINodeLister
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csiNodeSynced kcache.InformerSynced
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// cloud provider used by volume host
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cloud cloudprovider.Interface
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@ -309,7 +323,12 @@ func (adc *attachDetachController) Run(stopCh <-chan struct{}) {
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klog.Infof("Starting attach detach controller")
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defer klog.Infof("Shutting down attach detach controller")
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if !controller.WaitForCacheSync("attach detach", stopCh, adc.podsSynced, adc.nodesSynced, adc.pvcsSynced, adc.pvsSynced) {
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synced := []kcache.InformerSynced{adc.podsSynced, adc.nodesSynced, adc.pvcsSynced, adc.pvsSynced}
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if adc.csiNodeSynced != nil {
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synced = append(synced, adc.csiNodeSynced)
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}
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if !controller.WaitForCacheSync("attach detach", stopCh, synced...) {
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return
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}
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@ -643,6 +662,17 @@ func (adc *attachDetachController) processVolumesInUse(
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}
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}
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var _ volume.VolumeHost = &attachDetachController{}
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var _ volume.AttachDetachVolumeHost = &attachDetachController{}
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func (adc *attachDetachController) CSINodeLister() storagelisters.CSINodeLister {
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return adc.csiNodeLister
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}
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func (adc *attachDetachController) IsAttachDetachController() bool {
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return true
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}
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// VolumeHost implementation
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// This is an unfortunate requirement of the current factoring of volume plugin
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// initializing code. It requires kubelet specific methods used by the mounting
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@ -44,6 +44,7 @@ func Test_NewAttachDetachController_Positive(t *testing.T) {
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informerFactory.Core().V1().Nodes(),
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informerFactory.Core().V1().PersistentVolumeClaims(),
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informerFactory.Core().V1().PersistentVolumes(),
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informerFactory.Storage().V1beta1().CSINodes(),
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nil, /* cloud */
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nil, /* plugins */
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nil, /* prober */
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@ -218,6 +219,7 @@ func attachDetachRecoveryTestCase(t *testing.T, extraPods1 []*v1.Pod, extraPods2
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informerFactory.Core().V1().Nodes(),
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informerFactory.Core().V1().PersistentVolumeClaims(),
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informerFactory.Core().V1().PersistentVolumes(),
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informerFactory.Storage().V1beta1().CSINodes(),
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nil, /* cloud */
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plugins,
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prober,
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@ -776,6 +776,9 @@ func NewMainKubelet(kubeCfg *kubeletconfiginternal.KubeletConfiguration,
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tokenManager := token.NewManager(kubeDeps.KubeClient)
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// NewInitializedVolumePluginMgr intializes some storageErrors on the Kubelet runtimeState (in csi_plugin.go init)
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// which affects node ready status. This function must be called before Kubelet is initialized so that the Node
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// ReadyState is accurate with the storage state.
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klet.volumePluginMgr, err =
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NewInitializedVolumePluginMgr(klet, secretManager, configMapManager, tokenManager, kubeDeps.VolumePlugins, kubeDeps.DynamicPluginProber)
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if err != nil {
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@ -544,7 +544,7 @@ func (kl *Kubelet) defaultNodeStatusFuncs() []func(*v1.Node) error {
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nodestatus.MemoryPressureCondition(kl.clock.Now, kl.evictionManager.IsUnderMemoryPressure, kl.recordNodeStatusEvent),
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nodestatus.DiskPressureCondition(kl.clock.Now, kl.evictionManager.IsUnderDiskPressure, kl.recordNodeStatusEvent),
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nodestatus.PIDPressureCondition(kl.clock.Now, kl.evictionManager.IsUnderPIDPressure, kl.recordNodeStatusEvent),
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nodestatus.ReadyCondition(kl.clock.Now, kl.runtimeState.runtimeErrors, kl.runtimeState.networkErrors, validateHostFunc, kl.containerManager.Status, kl.recordNodeStatusEvent),
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nodestatus.ReadyCondition(kl.clock.Now, kl.runtimeState.runtimeErrors, kl.runtimeState.networkErrors, kl.runtimeState.storageErrors, validateHostFunc, kl.containerManager.Status, kl.recordNodeStatusEvent),
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nodestatus.VolumesInUse(kl.volumeManager.ReconcilerStatesHasBeenSynced, kl.volumeManager.GetVolumesInUse),
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nodestatus.RemoveOutOfDiskCondition(),
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// TODO(mtaufen): I decided not to move this setter for now, since all it does is send an event
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@ -440,6 +440,7 @@ func ReadyCondition(
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nowFunc func() time.Time, // typically Kubelet.clock.Now
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runtimeErrorsFunc func() error, // typically Kubelet.runtimeState.runtimeErrors
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networkErrorsFunc func() error, // typically Kubelet.runtimeState.networkErrors
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storageErrorsFunc func() error, // typically Kubelet.runtimeState.storageErrors
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appArmorValidateHostFunc func() error, // typically Kubelet.appArmorValidator.ValidateHost, might be nil depending on whether there was an appArmorValidator
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cmStatusFunc func() cm.Status, // typically Kubelet.containerManager.Status
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recordEventFunc func(eventType, event string), // typically Kubelet.recordNodeStatusEvent
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@ -456,7 +457,7 @@ func ReadyCondition(
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Message: "kubelet is posting ready status",
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LastHeartbeatTime: currentTime,
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}
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errs := []error{runtimeErrorsFunc(), networkErrorsFunc()}
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errs := []error{runtimeErrorsFunc(), networkErrorsFunc(), storageErrorsFunc()}
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requiredCapacities := []v1.ResourceName{v1.ResourceCPU, v1.ResourceMemory, v1.ResourcePods}
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if utilfeature.DefaultFeatureGate.Enabled(features.LocalStorageCapacityIsolation) {
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requiredCapacities = append(requiredCapacities, v1.ResourceEphemeralStorage)
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@ -895,6 +895,7 @@ func TestReadyCondition(t *testing.T) {
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node *v1.Node
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runtimeErrors error
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networkErrors error
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storageErrors error
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appArmorValidateHostFunc func() error
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cmStatus cm.Status
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expectConditions []v1.NodeCondition
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@ -929,6 +930,12 @@ func TestReadyCondition(t *testing.T) {
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},
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expectConditions: []v1.NodeCondition{*makeReadyCondition(true, "kubelet is posting ready status. WARNING: foo", now, now)},
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},
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{
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desc: "new, not ready: storage errors",
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node: withCapacity.DeepCopy(),
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storageErrors: errors.New("some storage error"),
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expectConditions: []v1.NodeCondition{*makeReadyCondition(false, "some storage error", now, now)},
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},
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{
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desc: "new, not ready: runtime and network errors",
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node: withCapacity.DeepCopy(),
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@ -1003,6 +1010,9 @@ func TestReadyCondition(t *testing.T) {
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networkErrorsFunc := func() error {
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return tc.networkErrors
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}
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storageErrorsFunc := func() error {
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return tc.storageErrors
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}
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cmStatusFunc := func() cm.Status {
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return tc.cmStatus
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}
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@ -1014,7 +1024,7 @@ func TestReadyCondition(t *testing.T) {
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})
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}
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// construct setter
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setter := ReadyCondition(nowFunc, runtimeErrorsFunc, networkErrorsFunc, tc.appArmorValidateHostFunc, cmStatusFunc, recordEventFunc)
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setter := ReadyCondition(nowFunc, runtimeErrorsFunc, networkErrorsFunc, storageErrorsFunc, tc.appArmorValidateHostFunc, cmStatusFunc, recordEventFunc)
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// call setter on node
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if err := setter(tc.node); err != nil {
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t.Fatalf("unexpected error: %v", err)
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|
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@ -30,6 +30,7 @@ type runtimeState struct {
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lastBaseRuntimeSync time.Time
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baseRuntimeSyncThreshold time.Duration
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networkError error
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storageError error
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cidr string
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healthChecks []*healthCheck
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}
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|
@ -61,6 +62,12 @@ func (s *runtimeState) setNetworkState(err error) {
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s.networkError = err
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}
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func (s *runtimeState) setStorageState(err error) {
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s.Lock()
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defer s.Unlock()
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s.storageError = err
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}
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func (s *runtimeState) setPodCIDR(cidr string) {
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s.Lock()
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defer s.Unlock()
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|
@ -101,6 +108,16 @@ func (s *runtimeState) networkErrors() error {
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return utilerrors.NewAggregate(errs)
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}
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func (s *runtimeState) storageErrors() error {
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s.RLock()
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defer s.RUnlock()
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errs := []error{}
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if s.storageError != nil {
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errs = append(errs, s.storageError)
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}
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return utilerrors.NewAggregate(errs)
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}
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func newRuntimeState(
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runtimeSyncThreshold time.Duration,
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) *runtimeState {
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|
|
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@ -80,6 +80,7 @@ func NewInitializedVolumePluginMgr(
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// Compile-time check to ensure kubeletVolumeHost implements the VolumeHost interface
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var _ volume.VolumeHost = &kubeletVolumeHost{}
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var _ volume.KubeletVolumeHost = &kubeletVolumeHost{}
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func (kvh *kubeletVolumeHost) GetPluginDir(pluginName string) string {
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return kvh.kubelet.getPluginDir(pluginName)
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|
@ -94,6 +95,10 @@ type kubeletVolumeHost struct {
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mountPodManager mountpod.Manager
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}
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func (kvh *kubeletVolumeHost) SetKubeletError(err error) {
|
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kvh.kubelet.runtimeState.setStorageState(err)
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}
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|
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func (kvh *kubeletVolumeHost) GetVolumeDevicePluginDir(pluginName string) string {
|
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return kvh.kubelet.getVolumeDevicePluginDir(pluginName)
|
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}
|
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|
|
|
@ -30,6 +30,7 @@ go_library(
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"//staging/src/k8s.io/apimachinery/pkg/util/errors:go_default_library",
|
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"//staging/src/k8s.io/apimachinery/pkg/util/validation:go_default_library",
|
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"//staging/src/k8s.io/client-go/kubernetes:go_default_library",
|
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"//staging/src/k8s.io/client-go/listers/storage/v1beta1:go_default_library",
|
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"//staging/src/k8s.io/client-go/tools/record:go_default_library",
|
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"//staging/src/k8s.io/cloud-provider:go_default_library",
|
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"//vendor/k8s.io/klog:go_default_library",
|
||||
|
|
|
@ -24,6 +24,7 @@ go_library(
|
|||
"//staging/src/k8s.io/apimachinery/pkg/api/errors:go_default_library",
|
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"//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
|
||||
"//staging/src/k8s.io/apimachinery/pkg/types:go_default_library",
|
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"//staging/src/k8s.io/apimachinery/pkg/util/runtime:go_default_library",
|
||||
"//staging/src/k8s.io/apimachinery/pkg/util/version:go_default_library",
|
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"//staging/src/k8s.io/apimachinery/pkg/util/wait:go_default_library",
|
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"//staging/src/k8s.io/apimachinery/pkg/watch:go_default_library",
|
||||
|
@ -32,6 +33,7 @@ go_library(
|
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"//staging/src/k8s.io/client-go/informers/storage/v1beta1:go_default_library",
|
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"//staging/src/k8s.io/client-go/kubernetes:go_default_library",
|
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"//staging/src/k8s.io/client-go/listers/storage/v1beta1:go_default_library",
|
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"//staging/src/k8s.io/csi-translation-lib/plugins:go_default_library",
|
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"//vendor/github.com/container-storage-interface/spec/lib/go/csi:go_default_library",
|
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"//vendor/google.golang.org/grpc:go_default_library",
|
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"//vendor/k8s.io/klog:go_default_library",
|
||||
|
|
|
@ -33,6 +33,7 @@ import (
|
|||
apierrs "k8s.io/apimachinery/pkg/api/errors"
|
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meta "k8s.io/apimachinery/pkg/apis/meta/v1"
|
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"k8s.io/apimachinery/pkg/types"
|
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utilruntime "k8s.io/apimachinery/pkg/util/runtime"
|
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utilversion "k8s.io/apimachinery/pkg/util/version"
|
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"k8s.io/apimachinery/pkg/util/wait"
|
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utilfeature "k8s.io/apiserver/pkg/util/feature"
|
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|
@ -40,6 +41,7 @@ import (
|
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csiinformer "k8s.io/client-go/informers/storage/v1beta1"
|
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clientset "k8s.io/client-go/kubernetes"
|
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csilister "k8s.io/client-go/listers/storage/v1beta1"
|
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csitranslationplugins "k8s.io/csi-translation-lib/plugins"
|
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"k8s.io/kubernetes/pkg/features"
|
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"k8s.io/kubernetes/pkg/volume"
|
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"k8s.io/kubernetes/pkg/volume/csi/nodeinfomanager"
|
||||
|
@ -216,15 +218,84 @@ func (p *csiPlugin) Init(host volume.VolumeHost) error {
|
|||
go factory.Start(wait.NeverStop)
|
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}
|
||||
|
||||
var migratedPlugins = map[string](func() bool){
|
||||
csitranslationplugins.GCEPDInTreePluginName: func() bool {
|
||||
return utilfeature.DefaultFeatureGate.Enabled(features.CSIMigration) && utilfeature.DefaultFeatureGate.Enabled(features.CSIMigrationGCE)
|
||||
},
|
||||
csitranslationplugins.AWSEBSInTreePluginName: func() bool {
|
||||
return utilfeature.DefaultFeatureGate.Enabled(features.CSIMigration) && utilfeature.DefaultFeatureGate.Enabled(features.CSIMigrationAWS)
|
||||
},
|
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csitranslationplugins.CinderInTreePluginName: func() bool {
|
||||
return utilfeature.DefaultFeatureGate.Enabled(features.CSIMigration) && utilfeature.DefaultFeatureGate.Enabled(features.CSIMigrationOpenStack)
|
||||
},
|
||||
}
|
||||
|
||||
// Initializing the label management channels
|
||||
nim = nodeinfomanager.NewNodeInfoManager(host.GetNodeName(), host)
|
||||
nim = nodeinfomanager.NewNodeInfoManager(host.GetNodeName(), host, migratedPlugins)
|
||||
|
||||
// TODO(#70514) Init CSINodeInfo object if the CRD exists and create Driver
|
||||
// objects for migrated drivers.
|
||||
if utilfeature.DefaultFeatureGate.Enabled(features.CSINodeInfo) &&
|
||||
utilfeature.DefaultFeatureGate.Enabled(features.CSIMigration) {
|
||||
// This function prevents Kubelet from posting Ready status until CSINodeInfo
|
||||
// is both installed and initialized
|
||||
if err := initializeCSINode(host); err != nil {
|
||||
return fmt.Errorf("failed to initialize CSINodeInfo: %v", err)
|
||||
}
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func initializeCSINode(host volume.VolumeHost) error {
|
||||
kvh, ok := host.(volume.KubeletVolumeHost)
|
||||
if !ok {
|
||||
klog.V(4).Info("Cast from VolumeHost to KubeletVolumeHost failed. Skipping CSINodeInfo initialization, not running on kubelet")
|
||||
return nil
|
||||
}
|
||||
kubeClient := host.GetKubeClient()
|
||||
if kubeClient == nil {
|
||||
// Kubelet running in standalone mode. Skip CSINodeInfo initialization
|
||||
klog.Warning("Skipping CSINodeInfo initialization, kubelet running in standalone mode")
|
||||
return nil
|
||||
}
|
||||
|
||||
kvh.SetKubeletError(errors.New("CSINodeInfo is not yet initialized"))
|
||||
|
||||
go func() {
|
||||
defer utilruntime.HandleCrash()
|
||||
|
||||
// Backoff parameters tuned to retry over 140 seconds. Will fail and restart the Kubelet
|
||||
// after max retry steps.
|
||||
initBackoff := wait.Backoff{
|
||||
Steps: 6,
|
||||
Duration: 15 * time.Millisecond,
|
||||
Factor: 6.0,
|
||||
Jitter: 0.1,
|
||||
}
|
||||
err := wait.ExponentialBackoff(initBackoff, func() (bool, error) {
|
||||
klog.V(4).Infof("Initializing migrated drivers on CSINodeInfo")
|
||||
err := nim.InitializeCSINodeWithAnnotation()
|
||||
if err != nil {
|
||||
kvh.SetKubeletError(fmt.Errorf("Failed to initialize CSINodeInfo: %v", err))
|
||||
klog.Errorf("Failed to initialize CSINodeInfo: %v", err)
|
||||
return false, nil
|
||||
}
|
||||
|
||||
// Successfully initialized drivers, allow Kubelet to post Ready
|
||||
kvh.SetKubeletError(nil)
|
||||
return true, nil
|
||||
})
|
||||
if err != nil {
|
||||
// 2 releases after CSIMigration and all CSIMigrationX (where X is a volume plugin)
|
||||
// are permanently enabled the apiserver/controllers can assume that the kubelet is
|
||||
// using CSI for all Migrated volume plugins. Then all the CSINode initialization
|
||||
// code can be dropped from Kubelet.
|
||||
// Kill the Kubelet process and allow it to restart to retry initialization
|
||||
klog.Fatalf("Failed to initialize CSINodeInfo after retrying")
|
||||
}
|
||||
}()
|
||||
return nil
|
||||
}
|
||||
|
||||
func (p *csiPlugin) GetPluginName() string {
|
||||
return CSIPluginName
|
||||
}
|
||||
|
|
|
@ -20,12 +20,14 @@ package nodeinfomanager // import "k8s.io/kubernetes/pkg/volume/csi/nodeinfomana
|
|||
|
||||
import (
|
||||
"encoding/json"
|
||||
goerrors "errors"
|
||||
"fmt"
|
||||
"strings"
|
||||
|
||||
"time"
|
||||
|
||||
"k8s.io/api/core/v1"
|
||||
storage "k8s.io/api/storage/v1beta1"
|
||||
storagev1beta1 "k8s.io/api/storage/v1beta1"
|
||||
"k8s.io/apimachinery/pkg/api/errors"
|
||||
"k8s.io/apimachinery/pkg/api/resource"
|
||||
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
||||
|
@ -62,6 +64,7 @@ var (
|
|||
type nodeInfoManager struct {
|
||||
nodeName types.NodeName
|
||||
volumeHost volume.VolumeHost
|
||||
migratedPlugins map[string](func() bool)
|
||||
}
|
||||
|
||||
// If no updates is needed, the function must return the same Node object as the input.
|
||||
|
@ -69,7 +72,10 @@ type nodeUpdateFunc func(*v1.Node) (newNode *v1.Node, updated bool, err error)
|
|||
|
||||
// Interface implements an interface for managing labels of a node
|
||||
type Interface interface {
|
||||
CreateCSINode() (*storage.CSINode, error)
|
||||
CreateCSINode() (*storagev1beta1.CSINode, error)
|
||||
|
||||
// Updates or Creates the CSINode object with annotations for CSI Migration
|
||||
InitializeCSINodeWithAnnotation() error
|
||||
|
||||
// Record in the cluster the given node information from the CSI driver with the given name.
|
||||
// Concurrent calls to InstallCSIDriver() is allowed, but they should not be intertwined with calls
|
||||
|
@ -85,10 +91,12 @@ type Interface interface {
|
|||
// NewNodeInfoManager initializes nodeInfoManager
|
||||
func NewNodeInfoManager(
|
||||
nodeName types.NodeName,
|
||||
volumeHost volume.VolumeHost) Interface {
|
||||
volumeHost volume.VolumeHost,
|
||||
migratedPlugins map[string](func() bool)) Interface {
|
||||
return &nodeInfoManager{
|
||||
nodeName: nodeName,
|
||||
volumeHost: volumeHost,
|
||||
migratedPlugins: migratedPlugins,
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -384,7 +392,46 @@ func (nim *nodeInfoManager) tryUpdateCSINode(
|
|||
return nim.installDriverToCSINode(nodeInfo, driverName, driverNodeID, topology)
|
||||
}
|
||||
|
||||
func (nim *nodeInfoManager) CreateCSINode() (*storage.CSINode, error) {
|
||||
func (nim *nodeInfoManager) InitializeCSINodeWithAnnotation() error {
|
||||
csiKubeClient := nim.volumeHost.GetKubeClient()
|
||||
if csiKubeClient == nil {
|
||||
return goerrors.New("error getting CSI client")
|
||||
}
|
||||
|
||||
var updateErrs []error
|
||||
err := wait.ExponentialBackoff(updateBackoff, func() (bool, error) {
|
||||
if err := nim.tryInitializeCSINodeWithAnnotation(csiKubeClient); err != nil {
|
||||
updateErrs = append(updateErrs, err)
|
||||
return false, nil
|
||||
}
|
||||
return true, nil
|
||||
})
|
||||
if err != nil {
|
||||
return fmt.Errorf("error updating CSINode annotation: %v; caused by: %v", err, utilerrors.NewAggregate(updateErrs))
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (nim *nodeInfoManager) tryInitializeCSINodeWithAnnotation(csiKubeClient clientset.Interface) error {
|
||||
nodeInfo, err := csiKubeClient.StorageV1beta1().CSINodes().Get(string(nim.nodeName), metav1.GetOptions{})
|
||||
if nodeInfo == nil || errors.IsNotFound(err) {
|
||||
// CreateCSINode will set the annotation
|
||||
_, err = nim.CreateCSINode()
|
||||
return err
|
||||
}
|
||||
|
||||
annotationModified := setMigrationAnnotation(nim.migratedPlugins, nodeInfo)
|
||||
|
||||
if annotationModified {
|
||||
_, err := csiKubeClient.StorageV1beta1().CSINodes().Update(nodeInfo)
|
||||
return err
|
||||
}
|
||||
return nil
|
||||
|
||||
}
|
||||
|
||||
func (nim *nodeInfoManager) CreateCSINode() (*storagev1beta1.CSINode, error) {
|
||||
|
||||
kubeClient := nim.volumeHost.GetKubeClient()
|
||||
if kubeClient == nil {
|
||||
|
@ -401,7 +448,7 @@ func (nim *nodeInfoManager) CreateCSINode() (*storage.CSINode, error) {
|
|||
return nil, err
|
||||
}
|
||||
|
||||
nodeInfo := &storage.CSINode{
|
||||
nodeInfo := &storagev1beta1.CSINode{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: string(nim.nodeName),
|
||||
OwnerReferences: []metav1.OwnerReference{
|
||||
|
@ -413,16 +460,59 @@ func (nim *nodeInfoManager) CreateCSINode() (*storage.CSINode, error) {
|
|||
},
|
||||
},
|
||||
},
|
||||
Spec: storage.CSINodeSpec{
|
||||
Drivers: []storage.CSINodeDriver{},
|
||||
Spec: storagev1beta1.CSINodeSpec{
|
||||
Drivers: []storagev1beta1.CSINodeDriver{},
|
||||
},
|
||||
}
|
||||
|
||||
setMigrationAnnotation(nim.migratedPlugins, nodeInfo)
|
||||
|
||||
return csiKubeClient.StorageV1beta1().CSINodes().Create(nodeInfo)
|
||||
}
|
||||
|
||||
func setMigrationAnnotation(migratedPlugins map[string](func() bool), nodeInfo *storagev1beta1.CSINode) (modified bool) {
|
||||
if migratedPlugins == nil {
|
||||
return false
|
||||
}
|
||||
|
||||
nodeInfoAnnotations := nodeInfo.GetAnnotations()
|
||||
if nodeInfoAnnotations == nil {
|
||||
nodeInfoAnnotations = map[string]string{}
|
||||
}
|
||||
|
||||
var oldAnnotationSet sets.String
|
||||
mpa := nodeInfoAnnotations[v1.MigratedPluginsAnnotationKey]
|
||||
tok := strings.Split(mpa, ",")
|
||||
if len(mpa) == 0 {
|
||||
oldAnnotationSet = sets.NewString()
|
||||
} else {
|
||||
oldAnnotationSet = sets.NewString(tok...)
|
||||
}
|
||||
|
||||
newAnnotationSet := sets.NewString()
|
||||
for pluginName, migratedFunc := range migratedPlugins {
|
||||
if migratedFunc() {
|
||||
newAnnotationSet.Insert(pluginName)
|
||||
}
|
||||
}
|
||||
|
||||
if oldAnnotationSet.Equal(newAnnotationSet) {
|
||||
return false
|
||||
}
|
||||
|
||||
nas := strings.Join(newAnnotationSet.List(), ",")
|
||||
if len(nas) != 0 {
|
||||
nodeInfoAnnotations[v1.MigratedPluginsAnnotationKey] = nas
|
||||
} else {
|
||||
delete(nodeInfoAnnotations, v1.MigratedPluginsAnnotationKey)
|
||||
}
|
||||
|
||||
nodeInfo.Annotations = nodeInfoAnnotations
|
||||
return true
|
||||
}
|
||||
|
||||
func (nim *nodeInfoManager) installDriverToCSINode(
|
||||
nodeInfo *storage.CSINode,
|
||||
nodeInfo *storagev1beta1.CSINode,
|
||||
driverName string,
|
||||
driverNodeID string,
|
||||
topology map[string]string) error {
|
||||
|
@ -438,9 +528,8 @@ func (nim *nodeInfoManager) installDriverToCSINode(
|
|||
}
|
||||
|
||||
specModified := true
|
||||
statusModified := true
|
||||
// Clone driver list, omitting the driver that matches the given driverName
|
||||
newDriverSpecs := []storage.CSINodeDriver{}
|
||||
newDriverSpecs := []storagev1beta1.CSINodeDriver{}
|
||||
for _, driverInfoSpec := range nodeInfo.Spec.Drivers {
|
||||
if driverInfoSpec.Name == driverName {
|
||||
if driverInfoSpec.NodeID == driverNodeID &&
|
||||
|
@ -453,12 +542,14 @@ func (nim *nodeInfoManager) installDriverToCSINode(
|
|||
}
|
||||
}
|
||||
|
||||
if !specModified && !statusModified {
|
||||
annotationModified := setMigrationAnnotation(nim.migratedPlugins, nodeInfo)
|
||||
|
||||
if !specModified && !annotationModified {
|
||||
return nil
|
||||
}
|
||||
|
||||
// Append new driver
|
||||
driverSpec := storage.CSINodeDriver{
|
||||
driverSpec := storagev1beta1.CSINodeDriver{
|
||||
Name: driverName,
|
||||
NodeID: driverNodeID,
|
||||
TopologyKeys: topologyKeys.List(),
|
||||
|
@ -517,6 +608,7 @@ func (nim *nodeInfoManager) tryUninstallDriverFromCSINode(
|
|||
hasModified = true
|
||||
}
|
||||
}
|
||||
|
||||
if !hasModified {
|
||||
// No changes, don't update
|
||||
return nil
|
||||
|
|
|
@ -19,6 +19,7 @@ package nodeinfomanager
|
|||
import (
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"reflect"
|
||||
"testing"
|
||||
|
||||
"github.com/stretchr/testify/assert"
|
||||
|
@ -545,6 +546,156 @@ func TestUninstallCSIDriverCSINodeInfoDisabled(t *testing.T) {
|
|||
test(t, false /* addNodeInfo */, false /* csiNodeInfoEnabled */, testcases)
|
||||
}
|
||||
|
||||
func TestSetMigrationAnnotation(t *testing.T) {
|
||||
testcases := []struct {
|
||||
name string
|
||||
migratedPlugins map[string](func() bool)
|
||||
existingNode *storage.CSINode
|
||||
expectedNode *storage.CSINode
|
||||
expectModified bool
|
||||
}{
|
||||
{
|
||||
name: "nil migrated plugins",
|
||||
existingNode: &storage.CSINode{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: "node1",
|
||||
},
|
||||
},
|
||||
expectedNode: &storage.CSINode{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: "node1",
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "one modified plugin",
|
||||
migratedPlugins: map[string](func() bool){
|
||||
"test": func() bool { return true },
|
||||
},
|
||||
existingNode: &storage.CSINode{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: "node1",
|
||||
},
|
||||
},
|
||||
expectedNode: &storage.CSINode{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: "node1",
|
||||
Annotations: map[string]string{v1.MigratedPluginsAnnotationKey: "test"},
|
||||
},
|
||||
},
|
||||
expectModified: true,
|
||||
},
|
||||
{
|
||||
name: "existing plugin",
|
||||
migratedPlugins: map[string](func() bool){
|
||||
"test": func() bool { return true },
|
||||
},
|
||||
existingNode: &storage.CSINode{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: "node1",
|
||||
Annotations: map[string]string{v1.MigratedPluginsAnnotationKey: "test"},
|
||||
},
|
||||
},
|
||||
expectedNode: &storage.CSINode{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: "node1",
|
||||
Annotations: map[string]string{v1.MigratedPluginsAnnotationKey: "test"},
|
||||
},
|
||||
},
|
||||
expectModified: false,
|
||||
},
|
||||
{
|
||||
name: "remove plugin",
|
||||
migratedPlugins: map[string](func() bool){},
|
||||
existingNode: &storage.CSINode{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: "node1",
|
||||
Annotations: map[string]string{v1.MigratedPluginsAnnotationKey: "test"},
|
||||
},
|
||||
},
|
||||
expectedNode: &storage.CSINode{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: "node1",
|
||||
Annotations: map[string]string{},
|
||||
},
|
||||
},
|
||||
expectModified: true,
|
||||
},
|
||||
{
|
||||
name: "one modified plugin, other annotations stable",
|
||||
migratedPlugins: map[string](func() bool){
|
||||
"test": func() bool { return true },
|
||||
},
|
||||
existingNode: &storage.CSINode{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: "node1",
|
||||
Annotations: map[string]string{"other": "annotation"},
|
||||
},
|
||||
},
|
||||
expectedNode: &storage.CSINode{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: "node1",
|
||||
Annotations: map[string]string{v1.MigratedPluginsAnnotationKey: "test", "other": "annotation"},
|
||||
},
|
||||
},
|
||||
expectModified: true,
|
||||
},
|
||||
{
|
||||
name: "multiple plugins modified, other annotations stable",
|
||||
migratedPlugins: map[string](func() bool){
|
||||
"test": func() bool { return true },
|
||||
"foo": func() bool { return false },
|
||||
},
|
||||
existingNode: &storage.CSINode{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: "node1",
|
||||
Annotations: map[string]string{"other": "annotation", v1.MigratedPluginsAnnotationKey: "foo"},
|
||||
},
|
||||
},
|
||||
expectedNode: &storage.CSINode{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: "node1",
|
||||
Annotations: map[string]string{v1.MigratedPluginsAnnotationKey: "test", "other": "annotation"},
|
||||
},
|
||||
},
|
||||
expectModified: true,
|
||||
},
|
||||
{
|
||||
name: "multiple plugins added, other annotations stable",
|
||||
migratedPlugins: map[string](func() bool){
|
||||
"test": func() bool { return true },
|
||||
"foo": func() bool { return true },
|
||||
},
|
||||
existingNode: &storage.CSINode{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: "node1",
|
||||
Annotations: map[string]string{"other": "annotation"},
|
||||
},
|
||||
},
|
||||
expectedNode: &storage.CSINode{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: "node1",
|
||||
Annotations: map[string]string{v1.MigratedPluginsAnnotationKey: "foo,test", "other": "annotation"},
|
||||
},
|
||||
},
|
||||
expectModified: true,
|
||||
},
|
||||
}
|
||||
|
||||
for _, tc := range testcases {
|
||||
t.Logf("test case: %s", tc.name)
|
||||
|
||||
modified := setMigrationAnnotation(tc.migratedPlugins, tc.existingNode)
|
||||
if modified != tc.expectModified {
|
||||
t.Errorf("Expected modified to be %v but got %v instead", tc.expectModified, modified)
|
||||
}
|
||||
|
||||
if !reflect.DeepEqual(tc.expectedNode, tc.existingNode) {
|
||||
t.Errorf("Expected CSINode: %v, but got: %v", tc.expectedNode, tc.existingNode)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func TestInstallCSIDriverExistingAnnotation(t *testing.T) {
|
||||
defer utilfeaturetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.CSINodeInfo, true)()
|
||||
|
||||
|
@ -591,7 +742,7 @@ func TestInstallCSIDriverExistingAnnotation(t *testing.T) {
|
|||
nodeName,
|
||||
)
|
||||
|
||||
nim := NewNodeInfoManager(types.NodeName(nodeName), host)
|
||||
nim := NewNodeInfoManager(types.NodeName(nodeName), host, nil)
|
||||
|
||||
// Act
|
||||
_, err = nim.CreateCSINode()
|
||||
|
@ -649,7 +800,7 @@ func test(t *testing.T, addNodeInfo bool, csiNodeInfoEnabled bool, testcases []t
|
|||
nil,
|
||||
nodeName,
|
||||
)
|
||||
nim := NewNodeInfoManager(types.NodeName(nodeName), host)
|
||||
nim := NewNodeInfoManager(types.NodeName(nodeName), host, nil)
|
||||
|
||||
//// Act
|
||||
nim.CreateCSINode()
|
||||
|
|
|
@ -30,6 +30,7 @@ import (
|
|||
utilerrors "k8s.io/apimachinery/pkg/util/errors"
|
||||
"k8s.io/apimachinery/pkg/util/validation"
|
||||
clientset "k8s.io/client-go/kubernetes"
|
||||
storagelisters "k8s.io/client-go/listers/storage/v1beta1"
|
||||
"k8s.io/client-go/tools/record"
|
||||
cloudprovider "k8s.io/cloud-provider"
|
||||
"k8s.io/klog"
|
||||
|
@ -278,6 +279,32 @@ type BlockVolumePlugin interface {
|
|||
ConstructBlockVolumeSpec(podUID types.UID, volumeName, volumePath string) (*Spec, error)
|
||||
}
|
||||
|
||||
// TODO(#14217)
|
||||
// As part of the Volume Host refactor we are starting to create Volume Hosts
|
||||
// for specific hosts. New methods for each specific host can be added here.
|
||||
// Currently consumers will do type assertions to get the specific type of Volume
|
||||
// Host; however, the end result should be that specific Volume Hosts are passed
|
||||
// to the specific functions they are needed in (instead of using a catch-all
|
||||
// VolumeHost interface)
|
||||
|
||||
// KubeletVolumeHost is a Kubelet specific interface that plugins can use to access the kubelet.
|
||||
type KubeletVolumeHost interface {
|
||||
// SetKubeletError lets plugins set an error on the Kubelet runtime status
|
||||
// that will cause the Kubelet to post NotReady status with the error message provided
|
||||
SetKubeletError(err error)
|
||||
}
|
||||
|
||||
// AttachDetachVolumeHost is a AttachDetach Controller specific interface that plugins can use
|
||||
// to access methods on the Attach Detach Controller.
|
||||
type AttachDetachVolumeHost interface {
|
||||
// CSINodeLister returns the informer lister for the CSINode API Object
|
||||
CSINodeLister() storagelisters.CSINodeLister
|
||||
|
||||
// IsAttachDetachController is an interface marker to strictly tie AttachDetachVolumeHost
|
||||
// to the attachDetachController
|
||||
IsAttachDetachController() bool
|
||||
}
|
||||
|
||||
// VolumeHost is an interface that plugins can use to access the kubelet.
|
||||
type VolumeHost interface {
|
||||
// GetPluginDir returns the absolute path to a directory under which
|
||||
|
|
|
@ -28,6 +28,7 @@ go_library(
|
|||
"//staging/src/k8s.io/apimachinery/pkg/api/errors:go_default_library",
|
||||
"//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
|
||||
"//staging/src/k8s.io/apimachinery/pkg/types:go_default_library",
|
||||
"//staging/src/k8s.io/apimachinery/pkg/util/sets:go_default_library",
|
||||
"//staging/src/k8s.io/apiserver/pkg/util/feature:go_default_library",
|
||||
"//staging/src/k8s.io/client-go/kubernetes:go_default_library",
|
||||
"//staging/src/k8s.io/client-go/tools/record:go_default_library",
|
||||
|
|
|
@ -17,6 +17,7 @@ limitations under the License.
|
|||
package operationexecutor
|
||||
|
||||
import (
|
||||
goerrors "errors"
|
||||
"fmt"
|
||||
"path"
|
||||
"strings"
|
||||
|
@ -26,6 +27,7 @@ import (
|
|||
"k8s.io/apimachinery/pkg/api/errors"
|
||||
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
||||
"k8s.io/apimachinery/pkg/types"
|
||||
"k8s.io/apimachinery/pkg/util/sets"
|
||||
utilfeature "k8s.io/apiserver/pkg/util/feature"
|
||||
clientset "k8s.io/client-go/kubernetes"
|
||||
"k8s.io/client-go/tools/record"
|
||||
|
@ -303,8 +305,14 @@ func (og *operationGenerator) GenerateAttachVolumeFunc(
|
|||
}
|
||||
|
||||
originalSpec := volumeToAttach.VolumeSpec
|
||||
nu, err := nodeUsingCSIPlugin(og, volumeToAttach.VolumeSpec, volumeToAttach.NodeName)
|
||||
if err != nil {
|
||||
eventRecorderFunc(&err)
|
||||
return volumetypes.GeneratedOperations{}, volumeToAttach.GenerateErrorDetailed("AttachVolume.NodeUsingCSIPlugin failed", err)
|
||||
}
|
||||
|
||||
// useCSIPlugin will check both CSIMigration and the plugin specific feature gate
|
||||
if useCSIPlugin(og.volumePluginMgr, volumeToAttach.VolumeSpec) {
|
||||
if useCSIPlugin(og.volumePluginMgr, volumeToAttach.VolumeSpec) && nu {
|
||||
// The volume represented by this spec is CSI and thus should be migrated
|
||||
attachableVolumePlugin, err = og.volumePluginMgr.FindAttachablePluginByName(csi.CSIPluginName)
|
||||
if err != nil || attachableVolumePlugin == nil {
|
||||
|
@ -401,17 +409,22 @@ func (og *operationGenerator) GenerateDetachVolumeFunc(
|
|||
|
||||
if volumeToDetach.VolumeSpec != nil {
|
||||
// Get attacher plugin
|
||||
nu, err := nodeUsingCSIPlugin(og, volumeToDetach.VolumeSpec, volumeToDetach.NodeName)
|
||||
if err != nil {
|
||||
return volumetypes.GeneratedOperations{}, volumeToDetach.GenerateErrorDetailed("DetachVolume.NodeUsingCSIPlugin failed", err)
|
||||
}
|
||||
|
||||
// useCSIPlugin will check both CSIMigration and the plugin specific feature gate
|
||||
if useCSIPlugin(og.volumePluginMgr, volumeToDetach.VolumeSpec) {
|
||||
if useCSIPlugin(og.volumePluginMgr, volumeToDetach.VolumeSpec) && nu {
|
||||
// The volume represented by this spec is CSI and thus should be migrated
|
||||
attachableVolumePlugin, err = og.volumePluginMgr.FindAttachablePluginByName(csi.CSIPluginName)
|
||||
if err != nil || attachableVolumePlugin == nil {
|
||||
return volumetypes.GeneratedOperations{}, volumeToDetach.GenerateErrorDetailed("AttachVolume.FindAttachablePluginBySpec failed", err)
|
||||
return volumetypes.GeneratedOperations{}, volumeToDetach.GenerateErrorDetailed("DetachVolume.FindAttachablePluginBySpec failed", err)
|
||||
}
|
||||
|
||||
csiSpec, err := translateSpec(volumeToDetach.VolumeSpec)
|
||||
if err != nil {
|
||||
return volumetypes.GeneratedOperations{}, volumeToDetach.GenerateErrorDetailed("AttachVolume.TranslateSpec failed", err)
|
||||
return volumetypes.GeneratedOperations{}, volumeToDetach.GenerateErrorDetailed("DetachVolume.TranslateSpec failed", err)
|
||||
}
|
||||
|
||||
volumeToDetach.VolumeSpec = csiSpec
|
||||
|
@ -861,7 +874,7 @@ func (og *operationGenerator) GenerateUnmountDeviceFunc(
|
|||
if deviceOpened {
|
||||
return deviceToDetach.GenerateError(
|
||||
"UnmountDevice failed",
|
||||
fmt.Errorf("the device is in use when it was no longer expected to be in use"))
|
||||
goerrors.New("the device is in use when it was no longer expected to be in use"))
|
||||
}
|
||||
|
||||
klog.Infof(deviceToDetach.GenerateMsg("UnmountDevice succeeded", ""))
|
||||
|
@ -968,7 +981,7 @@ func (og *operationGenerator) GenerateMapVolumeFunc(
|
|||
devicePath = pluginDevicePath
|
||||
}
|
||||
if len(devicePath) == 0 {
|
||||
return volumeToMount.GenerateError("MapVolume failed", fmt.Errorf("Device path of the volume is empty"))
|
||||
return volumeToMount.GenerateError("MapVolume failed", goerrors.New("Device path of the volume is empty"))
|
||||
}
|
||||
|
||||
// When kubelet is containerized, devicePath may be a symlink at a place unavailable to
|
||||
|
@ -1533,8 +1546,11 @@ func isDeviceOpened(deviceToDetach AttachedVolume, mounter mount.Interface) (boo
|
|||
return deviceOpened, nil
|
||||
}
|
||||
|
||||
// TODO(dyzz): need to also add logic to check CSINodeInfo for Kubelet migration status
|
||||
func useCSIPlugin(vpm *volume.VolumePluginMgr, spec *volume.Spec) bool {
|
||||
// TODO(#75146) Check whether the driver is installed as well so that
|
||||
// we can throw a better error when the driver is not installed.
|
||||
// The error should be of the approximate form:
|
||||
// fmt.Errorf("in-tree plugin %s is migrated on node %s but driver %s is not installed", pluginName, string(nodeName), driverName)
|
||||
if !utilfeature.DefaultFeatureGate.Enabled(features.CSIMigration) {
|
||||
return false
|
||||
}
|
||||
|
@ -1547,6 +1563,93 @@ func useCSIPlugin(vpm *volume.VolumePluginMgr, spec *volume.Spec) bool {
|
|||
return false
|
||||
}
|
||||
|
||||
func nodeUsingCSIPlugin(og *operationGenerator, spec *volume.Spec, nodeName types.NodeName) (bool, error) {
|
||||
migratable, err := og.volumePluginMgr.IsPluginMigratableBySpec(spec)
|
||||
if err != nil {
|
||||
return false, err
|
||||
}
|
||||
if !utilfeature.DefaultFeatureGate.Enabled(features.CSIMigration) ||
|
||||
!utilfeature.DefaultFeatureGate.Enabled(features.CSINodeInfo) ||
|
||||
!migratable {
|
||||
return false, nil
|
||||
}
|
||||
|
||||
if len(nodeName) == 0 {
|
||||
return false, goerrors.New("nodeName is empty")
|
||||
}
|
||||
|
||||
kubeClient := og.volumePluginMgr.Host.GetKubeClient()
|
||||
if kubeClient == nil {
|
||||
// Don't handle the controller/kubelet version skew check and fallback
|
||||
// to just checking the feature gates. This can happen if
|
||||
// we are in a standalone (headless) Kubelet
|
||||
return true, nil
|
||||
}
|
||||
|
||||
adcHost, ok := og.volumePluginMgr.Host.(volume.AttachDetachVolumeHost)
|
||||
if !ok {
|
||||
// Don't handle the controller/kubelet version skew check and fallback
|
||||
// to just checking the feature gates. This can happen if
|
||||
// "enableControllerAttachDetach" is set to true on kubelet
|
||||
return true, nil
|
||||
}
|
||||
|
||||
if adcHost.CSINodeLister() == nil {
|
||||
return false, goerrors.New("could not find CSINodeLister in attachDetachController")
|
||||
}
|
||||
|
||||
csiNode, err := adcHost.CSINodeLister().Get(string(nodeName))
|
||||
if err != nil {
|
||||
return false, err
|
||||
}
|
||||
|
||||
ann := csiNode.GetAnnotations()
|
||||
if ann == nil {
|
||||
return false, nil
|
||||
}
|
||||
|
||||
var mpaSet sets.String
|
||||
mpa := ann[v1.MigratedPluginsAnnotationKey]
|
||||
tok := strings.Split(mpa, ",")
|
||||
if len(mpa) == 0 {
|
||||
mpaSet = sets.NewString()
|
||||
} else {
|
||||
mpaSet = sets.NewString(tok...)
|
||||
}
|
||||
|
||||
pluginName, err := csilib.GetInTreePluginNameFromSpec(spec.PersistentVolume, spec.Volume)
|
||||
if err != nil {
|
||||
return false, err
|
||||
}
|
||||
|
||||
if len(pluginName) == 0 {
|
||||
// Could not find a plugin name from translation directory, assume not translated
|
||||
return false, nil
|
||||
}
|
||||
|
||||
isMigratedOnNode := mpaSet.Has(pluginName)
|
||||
|
||||
if isMigratedOnNode {
|
||||
installed := false
|
||||
driverName, err := csilib.GetCSINameFromInTreeName(pluginName)
|
||||
if err != nil {
|
||||
return isMigratedOnNode, err
|
||||
}
|
||||
for _, driver := range csiNode.Spec.Drivers {
|
||||
if driver.Name == driverName {
|
||||
installed = true
|
||||
break
|
||||
}
|
||||
}
|
||||
if !installed {
|
||||
return true, fmt.Errorf("in-tree plugin %s is migrated on node %s but driver %s is not installed", pluginName, string(nodeName), driverName)
|
||||
}
|
||||
}
|
||||
|
||||
return isMigratedOnNode, nil
|
||||
|
||||
}
|
||||
|
||||
func translateSpec(spec *volume.Spec) (*volume.Spec, error) {
|
||||
if spec.PersistentVolume != nil {
|
||||
// TranslateInTreePVToCSI will create a new PV
|
||||
|
@ -1559,8 +1662,8 @@ func translateSpec(spec *volume.Spec) (*volume.Spec, error) {
|
|||
ReadOnly: spec.ReadOnly,
|
||||
}, nil
|
||||
} else if spec.Volume != nil {
|
||||
return &volume.Spec{}, fmt.Errorf("translation is not supported for in-line volumes yet")
|
||||
return &volume.Spec{}, goerrors.New("translation is not supported for in-line volumes yet")
|
||||
} else {
|
||||
return &volume.Spec{}, fmt.Errorf("not a valid volume spec")
|
||||
return &volume.Spec{}, goerrors.New("not a valid volume spec")
|
||||
}
|
||||
}
|
||||
|
|
|
@ -76,6 +76,9 @@ func buildControllerRoles() ([]rbacv1.ClusterRole, []rbacv1.ClusterRoleBinding)
|
|||
if utilfeature.DefaultFeatureGate.Enabled(features.CSIDriverRegistry) {
|
||||
role.Rules = append(role.Rules, rbacv1helpers.NewRule("get", "watch", "list").Groups("storage.k8s.io").Resources("csidrivers").RuleOrDie())
|
||||
}
|
||||
if utilfeature.DefaultFeatureGate.Enabled(features.CSINodeInfo) && utilfeature.DefaultFeatureGate.Enabled(features.CSIMigration) {
|
||||
role.Rules = append(role.Rules, rbacv1helpers.NewRule("get", "watch", "list").Groups("storage.k8s.io").Resources("csinodes").RuleOrDie())
|
||||
}
|
||||
}
|
||||
|
||||
return role
|
||||
|
|
|
@ -97,4 +97,10 @@ const (
|
|||
// This annotation will be used to compute the in-cluster network programming latency SLI, see
|
||||
// https://github.com/kubernetes/community/blob/master/sig-scalability/slos/network_programming_latency.md
|
||||
EndpointsLastChangeTriggerTime = "endpoints.kubernetes.io/last-change-trigger-time"
|
||||
|
||||
// MigratedPluginsAnnotationKey is the annotation key, set for CSINode objects, that is a comma-separated
|
||||
// list of in-tree plugins that will be serviced by the CSI backend on the Node represented by CSINode.
|
||||
// This annotation is used by the Attach Detach Controller to determine whether to use the in-tree or
|
||||
// CSI Backend for a volume plugin on a specific node.
|
||||
MigratedPluginsAnnotationKey = "storage.alpha.kubernetes.io/migrated-plugins"
|
||||
)
|
||||
|
|
|
@ -17,6 +17,7 @@ limitations under the License.
|
|||
package csitranslation
|
||||
|
||||
import (
|
||||
"errors"
|
||||
"fmt"
|
||||
|
||||
"k8s.io/api/core/v1"
|
||||
|
@ -48,7 +49,7 @@ func TranslateInTreeStorageClassParametersToCSI(inTreePluginName string, scParam
|
|||
// be modified
|
||||
func TranslateInTreePVToCSI(pv *v1.PersistentVolume) (*v1.PersistentVolume, error) {
|
||||
if pv == nil {
|
||||
return nil, fmt.Errorf("persistent volume was nil")
|
||||
return nil, errors.New("persistent volume was nil")
|
||||
}
|
||||
copiedPV := pv.DeepCopy()
|
||||
for _, curPlugin := range inTreePlugins {
|
||||
|
@ -64,7 +65,7 @@ func TranslateInTreePVToCSI(pv *v1.PersistentVolume) (*v1.PersistentVolume, erro
|
|||
// by the `Driver` field in the CSI Source. The input PV object will not be modified.
|
||||
func TranslateCSIPVToInTree(pv *v1.PersistentVolume) (*v1.PersistentVolume, error) {
|
||||
if pv == nil || pv.Spec.CSI == nil {
|
||||
return nil, fmt.Errorf("CSI persistent volume was nil")
|
||||
return nil, errors.New("CSI persistent volume was nil")
|
||||
}
|
||||
copiedPV := pv.DeepCopy()
|
||||
for driverName, curPlugin := range inTreePlugins {
|
||||
|
@ -95,6 +96,23 @@ func IsMigratedCSIDriverByName(csiPluginName string) bool {
|
|||
return false
|
||||
}
|
||||
|
||||
// GetInTreePluginNameFromSpec returns the plugin name
|
||||
func GetInTreePluginNameFromSpec(pv *v1.PersistentVolume, vol *v1.Volume) (string, error) {
|
||||
if pv != nil {
|
||||
for _, curPlugin := range inTreePlugins {
|
||||
if curPlugin.CanSupport(pv) {
|
||||
return curPlugin.GetInTreePluginName(), nil
|
||||
}
|
||||
}
|
||||
return "", fmt.Errorf("could not find in-tree plugin name from persistent volume %v", pv)
|
||||
} else if vol != nil {
|
||||
// TODO(dyzz): Implement inline volume migration support
|
||||
return "", errors.New("inline volume migration not yet supported")
|
||||
} else {
|
||||
return "", errors.New("both persistent volume and volume are nil")
|
||||
}
|
||||
}
|
||||
|
||||
// GetCSINameFromInTreeName returns the name of a CSI driver that supersedes the
|
||||
// in-tree plugin with the given name
|
||||
func GetCSINameFromInTreeName(pluginName string) (string, error) {
|
||||
|
@ -103,7 +121,7 @@ func GetCSINameFromInTreeName(pluginName string) (string, error) {
|
|||
return csiDriverName, nil
|
||||
}
|
||||
}
|
||||
return "", fmt.Errorf("Could not find CSI Driver name for plugin %v", pluginName)
|
||||
return "", fmt.Errorf("could not find CSI Driver name for plugin %v", pluginName)
|
||||
}
|
||||
|
||||
// GetInTreeNameFromCSIName returns the name of the in-tree plugin superseded by
|
||||
|
|
|
@ -415,6 +415,7 @@ func createAdClients(ns *v1.Namespace, t *testing.T, server *httptest.Server, sy
|
|||
informers.Core().V1().Nodes(),
|
||||
informers.Core().V1().PersistentVolumeClaims(),
|
||||
informers.Core().V1().PersistentVolumes(),
|
||||
informers.Storage().V1beta1().CSINodes(),
|
||||
cloud,
|
||||
plugins,
|
||||
nil, /* prober */
|
||||
|
|
Loading…
Reference in New Issue