use shared informers and workqueue (#425)

* vendor: add vendored code

Signed-off-by: Paulo Pires <pjpires@gmail.com>

* controller: use shared informers and a work queue

Signed-off-by: Paulo Pires <pjpires@gmail.com>

* errors: use cpuguy83/strongerrors

Signed-off-by: Paulo Pires <pjpires@gmail.com>

* aci: fix test that uses resource manager

Signed-off-by: Paulo Pires <pjpires@gmail.com>

* readme: clarify skaffold run before e2e

Signed-off-by: Paulo Pires <pjpires@gmail.com>

* cmd: use root context everywhere

Signed-off-by: Paulo Pires <pjpires@gmail.com>

* sync: refactor pod lifecycle management

Signed-off-by: Paulo Pires <pjpires@gmail.com>

* e2e: fix race in test when observing deletions

Signed-off-by: Paulo Pires <pjpires@gmail.com>

* e2e: test pod forced deletion

Signed-off-by: Paulo Pires <pjpires@gmail.com>

* cmd: fix root context potential leak

Signed-off-by: Paulo Pires <pjpires@gmail.com>

* sync: rename metaKey

Signed-off-by: Paulo Pires <pjpires@gmail.com>

* sync: remove calls to HandleError

Signed-off-by: Paulo Pires <pjpires@gmail.com>

* Revert "errors: use cpuguy83/strongerrors"

This reverts commit f031fc6d.

Signed-off-by: Paulo Pires <pjpires@gmail.com>

* manager: remove redundant lister constraint

Signed-off-by: Paulo Pires <pjpires@gmail.com>

* sync: rename the pod event recorder

Signed-off-by: Paulo Pires <pjpires@gmail.com>

* sync: amend misleading comment

Signed-off-by: Paulo Pires <pjpires@gmail.com>

* mock: add tracing

Signed-off-by: Paulo Pires <pjpires@gmail.com>

* sync: add tracing

Signed-off-by: Paulo Pires <pjpires@gmail.com>

* test: observe timeouts

Signed-off-by: Paulo Pires <pjpires@gmail.com>

* trace: remove unnecessary comments

Signed-off-by: Paulo Pires <pjpires@gmail.com>

* sync: limit concurrency in deleteDanglingPods

Signed-off-by: Paulo Pires <pjpires@gmail.com>

* sync: never store context, always pass in calls

Signed-off-by: Paulo Pires <pjpires@gmail.com>

* sync: remove HandleCrash and just panic

Signed-off-by: Paulo Pires <pjpires@gmail.com>

* sync: don't sync succeeded pods

Signed-off-by: Paulo Pires <pjpires@gmail.com>

* sync: ensure pod deletion from kubernetes

Signed-off-by: Paulo Pires <pjpires@gmail.com>

vendor/k8s.io/client-go/informers/storage/interface.go

@@ -0,0 +1,62 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by informer-gen. DO NOT EDIT.
+
+package storage
+
+import (
+	internalinterfaces "k8s.io/client-go/informers/internalinterfaces"
+	v1 "k8s.io/client-go/informers/storage/v1"
+	v1alpha1 "k8s.io/client-go/informers/storage/v1alpha1"
+	v1beta1 "k8s.io/client-go/informers/storage/v1beta1"
+)
+
+// Interface provides access to each of this group's versions.
+type Interface interface {
+	// V1 provides access to shared informers for resources in V1.
+	V1() v1.Interface
+	// V1alpha1 provides access to shared informers for resources in V1alpha1.
+	V1alpha1() v1alpha1.Interface
+	// V1beta1 provides access to shared informers for resources in V1beta1.
+	V1beta1() v1beta1.Interface
+}
+
+type group struct {
+	factory          internalinterfaces.SharedInformerFactory
+	namespace        string
+	tweakListOptions internalinterfaces.TweakListOptionsFunc
+}
+
+// New returns a new Interface.
+func New(f internalinterfaces.SharedInformerFactory, namespace string, tweakListOptions internalinterfaces.TweakListOptionsFunc) Interface {
+	return &group{factory: f, namespace: namespace, tweakListOptions: tweakListOptions}
+}
+
+// V1 returns a new v1.Interface.
+func (g *group) V1() v1.Interface {
+	return v1.New(g.factory, g.namespace, g.tweakListOptions)
+}
+
+// V1alpha1 returns a new v1alpha1.Interface.
+func (g *group) V1alpha1() v1alpha1.Interface {
+	return v1alpha1.New(g.factory, g.namespace, g.tweakListOptions)
+}
+
+// V1beta1 returns a new v1beta1.Interface.
+func (g *group) V1beta1() v1beta1.Interface {
+	return v1beta1.New(g.factory, g.namespace, g.tweakListOptions)
+}

vendor/k8s.io/client-go/informers/storage/v1/interface.go

@@ -0,0 +1,45 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by informer-gen. DO NOT EDIT.
+
+package v1
+
+import (
+	internalinterfaces "k8s.io/client-go/informers/internalinterfaces"
+)
+
+// Interface provides access to all the informers in this group version.
+type Interface interface {
+	// StorageClasses returns a StorageClassInformer.
+	StorageClasses() StorageClassInformer
+}
+
+type version struct {
+	factory          internalinterfaces.SharedInformerFactory
+	namespace        string
+	tweakListOptions internalinterfaces.TweakListOptionsFunc
+}
+
+// New returns a new Interface.
+func New(f internalinterfaces.SharedInformerFactory, namespace string, tweakListOptions internalinterfaces.TweakListOptionsFunc) Interface {
+	return &version{factory: f, namespace: namespace, tweakListOptions: tweakListOptions}
+}
+
+// StorageClasses returns a StorageClassInformer.
+func (v *version) StorageClasses() StorageClassInformer {
+	return &storageClassInformer{factory: v.factory, tweakListOptions: v.tweakListOptions}
+}

vendor/k8s.io/client-go/informers/storage/v1/storageclass.go

@@ -0,0 +1,88 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by informer-gen. DO NOT EDIT.
+
+package v1
+
+import (
+	time "time"
+
+	storagev1 "k8s.io/api/storage/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	runtime "k8s.io/apimachinery/pkg/runtime"
+	watch "k8s.io/apimachinery/pkg/watch"
+	internalinterfaces "k8s.io/client-go/informers/internalinterfaces"
+	kubernetes "k8s.io/client-go/kubernetes"
+	v1 "k8s.io/client-go/listers/storage/v1"
+	cache "k8s.io/client-go/tools/cache"
+)
+
+// StorageClassInformer provides access to a shared informer and lister for
+// StorageClasses.
+type StorageClassInformer interface {
+	Informer() cache.SharedIndexInformer
+	Lister() v1.StorageClassLister
+}
+
+type storageClassInformer struct {
+	factory          internalinterfaces.SharedInformerFactory
+	tweakListOptions internalinterfaces.TweakListOptionsFunc
+}
+
+// NewStorageClassInformer constructs a new informer for StorageClass type.
+// Always prefer using an informer factory to get a shared informer instead of getting an independent
+// one. This reduces memory footprint and number of connections to the server.
+func NewStorageClassInformer(client kubernetes.Interface, resyncPeriod time.Duration, indexers cache.Indexers) cache.SharedIndexInformer {
+	return NewFilteredStorageClassInformer(client, resyncPeriod, indexers, nil)
+}
+
+// NewFilteredStorageClassInformer constructs a new informer for StorageClass type.
+// Always prefer using an informer factory to get a shared informer instead of getting an independent
+// one. This reduces memory footprint and number of connections to the server.
+func NewFilteredStorageClassInformer(client kubernetes.Interface, resyncPeriod time.Duration, indexers cache.Indexers, tweakListOptions internalinterfaces.TweakListOptionsFunc) cache.SharedIndexInformer {
+	return cache.NewSharedIndexInformer(
+		&cache.ListWatch{
+			ListFunc: func(options metav1.ListOptions) (runtime.Object, error) {
+				if tweakListOptions != nil {
+					tweakListOptions(&options)
+				}
+				return client.StorageV1().StorageClasses().List(options)
+			},
+			WatchFunc: func(options metav1.ListOptions) (watch.Interface, error) {
+				if tweakListOptions != nil {
+					tweakListOptions(&options)
+				}
+				return client.StorageV1().StorageClasses().Watch(options)
+			},
+		},
+		&storagev1.StorageClass{},
+		resyncPeriod,
+		indexers,
+	)
+}
+
+func (f *storageClassInformer) defaultInformer(client kubernetes.Interface, resyncPeriod time.Duration) cache.SharedIndexInformer {
+	return NewFilteredStorageClassInformer(client, resyncPeriod, cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc}, f.tweakListOptions)
+}
+
+func (f *storageClassInformer) Informer() cache.SharedIndexInformer {
+	return f.factory.InformerFor(&storagev1.StorageClass{}, f.defaultInformer)
+}
+
+func (f *storageClassInformer) Lister() v1.StorageClassLister {
+	return v1.NewStorageClassLister(f.Informer().GetIndexer())
+}

vendor/k8s.io/client-go/informers/storage/v1alpha1/interface.go

@@ -0,0 +1,45 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by informer-gen. DO NOT EDIT.
+
+package v1alpha1
+
+import (
+	internalinterfaces "k8s.io/client-go/informers/internalinterfaces"
+)
+
+// Interface provides access to all the informers in this group version.
+type Interface interface {
+	// VolumeAttachments returns a VolumeAttachmentInformer.
+	VolumeAttachments() VolumeAttachmentInformer
+}
+
+type version struct {
+	factory          internalinterfaces.SharedInformerFactory
+	namespace        string
+	tweakListOptions internalinterfaces.TweakListOptionsFunc
+}
+
+// New returns a new Interface.
+func New(f internalinterfaces.SharedInformerFactory, namespace string, tweakListOptions internalinterfaces.TweakListOptionsFunc) Interface {
+	return &version{factory: f, namespace: namespace, tweakListOptions: tweakListOptions}
+}
+
+// VolumeAttachments returns a VolumeAttachmentInformer.
+func (v *version) VolumeAttachments() VolumeAttachmentInformer {
+	return &volumeAttachmentInformer{factory: v.factory, tweakListOptions: v.tweakListOptions}
+}

vendor/k8s.io/client-go/informers/storage/v1alpha1/volumeattachment.go

@@ -0,0 +1,88 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by informer-gen. DO NOT EDIT.
+
+package v1alpha1
+
+import (
+	time "time"
+
+	storagev1alpha1 "k8s.io/api/storage/v1alpha1"
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	runtime "k8s.io/apimachinery/pkg/runtime"
+	watch "k8s.io/apimachinery/pkg/watch"
+	internalinterfaces "k8s.io/client-go/informers/internalinterfaces"
+	kubernetes "k8s.io/client-go/kubernetes"
+	v1alpha1 "k8s.io/client-go/listers/storage/v1alpha1"
+	cache "k8s.io/client-go/tools/cache"
+)
+
+// VolumeAttachmentInformer provides access to a shared informer and lister for
+// VolumeAttachments.
+type VolumeAttachmentInformer interface {
+	Informer() cache.SharedIndexInformer
+	Lister() v1alpha1.VolumeAttachmentLister
+}
+
+type volumeAttachmentInformer struct {
+	factory          internalinterfaces.SharedInformerFactory
+	tweakListOptions internalinterfaces.TweakListOptionsFunc
+}
+
+// NewVolumeAttachmentInformer constructs a new informer for VolumeAttachment type.
+// Always prefer using an informer factory to get a shared informer instead of getting an independent
+// one. This reduces memory footprint and number of connections to the server.
+func NewVolumeAttachmentInformer(client kubernetes.Interface, resyncPeriod time.Duration, indexers cache.Indexers) cache.SharedIndexInformer {
+	return NewFilteredVolumeAttachmentInformer(client, resyncPeriod, indexers, nil)
+}
+
+// NewFilteredVolumeAttachmentInformer constructs a new informer for VolumeAttachment type.
+// Always prefer using an informer factory to get a shared informer instead of getting an independent
+// one. This reduces memory footprint and number of connections to the server.
+func NewFilteredVolumeAttachmentInformer(client kubernetes.Interface, resyncPeriod time.Duration, indexers cache.Indexers, tweakListOptions internalinterfaces.TweakListOptionsFunc) cache.SharedIndexInformer {
+	return cache.NewSharedIndexInformer(
+		&cache.ListWatch{
+			ListFunc: func(options v1.ListOptions) (runtime.Object, error) {
+				if tweakListOptions != nil {
+					tweakListOptions(&options)
+				}
+				return client.StorageV1alpha1().VolumeAttachments().List(options)
+			},
+			WatchFunc: func(options v1.ListOptions) (watch.Interface, error) {
+				if tweakListOptions != nil {
+					tweakListOptions(&options)
+				}
+				return client.StorageV1alpha1().VolumeAttachments().Watch(options)
+			},
+		},
+		&storagev1alpha1.VolumeAttachment{},
+		resyncPeriod,
+		indexers,
+	)
+}
+
+func (f *volumeAttachmentInformer) defaultInformer(client kubernetes.Interface, resyncPeriod time.Duration) cache.SharedIndexInformer {
+	return NewFilteredVolumeAttachmentInformer(client, resyncPeriod, cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc}, f.tweakListOptions)
+}
+
+func (f *volumeAttachmentInformer) Informer() cache.SharedIndexInformer {
+	return f.factory.InformerFor(&storagev1alpha1.VolumeAttachment{}, f.defaultInformer)
+}
+
+func (f *volumeAttachmentInformer) Lister() v1alpha1.VolumeAttachmentLister {
+	return v1alpha1.NewVolumeAttachmentLister(f.Informer().GetIndexer())
+}

vendor/k8s.io/client-go/informers/storage/v1beta1/interface.go

@@ -0,0 +1,52 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by informer-gen. DO NOT EDIT.
+
+package v1beta1
+
+import (
+	internalinterfaces "k8s.io/client-go/informers/internalinterfaces"
+)
+
+// Interface provides access to all the informers in this group version.
+type Interface interface {
+	// StorageClasses returns a StorageClassInformer.
+	StorageClasses() StorageClassInformer
+	// VolumeAttachments returns a VolumeAttachmentInformer.
+	VolumeAttachments() VolumeAttachmentInformer
+}
+
+type version struct {
+	factory          internalinterfaces.SharedInformerFactory
+	namespace        string
+	tweakListOptions internalinterfaces.TweakListOptionsFunc
+}
+
+// New returns a new Interface.
+func New(f internalinterfaces.SharedInformerFactory, namespace string, tweakListOptions internalinterfaces.TweakListOptionsFunc) Interface {
+	return &version{factory: f, namespace: namespace, tweakListOptions: tweakListOptions}
+}
+
+// StorageClasses returns a StorageClassInformer.
+func (v *version) StorageClasses() StorageClassInformer {
+	return &storageClassInformer{factory: v.factory, tweakListOptions: v.tweakListOptions}
+}
+
+// VolumeAttachments returns a VolumeAttachmentInformer.
+func (v *version) VolumeAttachments() VolumeAttachmentInformer {
+	return &volumeAttachmentInformer{factory: v.factory, tweakListOptions: v.tweakListOptions}
+}

vendor/k8s.io/client-go/informers/storage/v1beta1/storageclass.go

@@ -0,0 +1,88 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by informer-gen. DO NOT EDIT.
+
+package v1beta1
+
+import (
+	time "time"
+
+	storagev1beta1 "k8s.io/api/storage/v1beta1"
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	runtime "k8s.io/apimachinery/pkg/runtime"
+	watch "k8s.io/apimachinery/pkg/watch"
+	internalinterfaces "k8s.io/client-go/informers/internalinterfaces"
+	kubernetes "k8s.io/client-go/kubernetes"
+	v1beta1 "k8s.io/client-go/listers/storage/v1beta1"
+	cache "k8s.io/client-go/tools/cache"
+)
+
+// StorageClassInformer provides access to a shared informer and lister for
+// StorageClasses.
+type StorageClassInformer interface {
+	Informer() cache.SharedIndexInformer
+	Lister() v1beta1.StorageClassLister
+}
+
+type storageClassInformer struct {
+	factory          internalinterfaces.SharedInformerFactory
+	tweakListOptions internalinterfaces.TweakListOptionsFunc
+}
+
+// NewStorageClassInformer constructs a new informer for StorageClass type.
+// Always prefer using an informer factory to get a shared informer instead of getting an independent
+// one. This reduces memory footprint and number of connections to the server.
+func NewStorageClassInformer(client kubernetes.Interface, resyncPeriod time.Duration, indexers cache.Indexers) cache.SharedIndexInformer {
+	return NewFilteredStorageClassInformer(client, resyncPeriod, indexers, nil)
+}
+
+// NewFilteredStorageClassInformer constructs a new informer for StorageClass type.
+// Always prefer using an informer factory to get a shared informer instead of getting an independent
+// one. This reduces memory footprint and number of connections to the server.
+func NewFilteredStorageClassInformer(client kubernetes.Interface, resyncPeriod time.Duration, indexers cache.Indexers, tweakListOptions internalinterfaces.TweakListOptionsFunc) cache.SharedIndexInformer {
+	return cache.NewSharedIndexInformer(
+		&cache.ListWatch{
+			ListFunc: func(options v1.ListOptions) (runtime.Object, error) {
+				if tweakListOptions != nil {
+					tweakListOptions(&options)
+				}
+				return client.StorageV1beta1().StorageClasses().List(options)
+			},
+			WatchFunc: func(options v1.ListOptions) (watch.Interface, error) {
+				if tweakListOptions != nil {
+					tweakListOptions(&options)
+				}
+				return client.StorageV1beta1().StorageClasses().Watch(options)
+			},
+		},
+		&storagev1beta1.StorageClass{},
+		resyncPeriod,
+		indexers,
+	)
+}
+
+func (f *storageClassInformer) defaultInformer(client kubernetes.Interface, resyncPeriod time.Duration) cache.SharedIndexInformer {
+	return NewFilteredStorageClassInformer(client, resyncPeriod, cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc}, f.tweakListOptions)
+}
+
+func (f *storageClassInformer) Informer() cache.SharedIndexInformer {
+	return f.factory.InformerFor(&storagev1beta1.StorageClass{}, f.defaultInformer)
+}
+
+func (f *storageClassInformer) Lister() v1beta1.StorageClassLister {
+	return v1beta1.NewStorageClassLister(f.Informer().GetIndexer())
+}

vendor/k8s.io/client-go/informers/storage/v1beta1/volumeattachment.go

@@ -0,0 +1,88 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by informer-gen. DO NOT EDIT.
+
+package v1beta1
+
+import (
+	time "time"
+
+	storagev1beta1 "k8s.io/api/storage/v1beta1"
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	runtime "k8s.io/apimachinery/pkg/runtime"
+	watch "k8s.io/apimachinery/pkg/watch"
+	internalinterfaces "k8s.io/client-go/informers/internalinterfaces"
+	kubernetes "k8s.io/client-go/kubernetes"
+	v1beta1 "k8s.io/client-go/listers/storage/v1beta1"
+	cache "k8s.io/client-go/tools/cache"
+)
+
+// VolumeAttachmentInformer provides access to a shared informer and lister for
+// VolumeAttachments.
+type VolumeAttachmentInformer interface {
+	Informer() cache.SharedIndexInformer
+	Lister() v1beta1.VolumeAttachmentLister
+}
+
+type volumeAttachmentInformer struct {
+	factory          internalinterfaces.SharedInformerFactory
+	tweakListOptions internalinterfaces.TweakListOptionsFunc
+}
+
+// NewVolumeAttachmentInformer constructs a new informer for VolumeAttachment type.
+// Always prefer using an informer factory to get a shared informer instead of getting an independent
+// one. This reduces memory footprint and number of connections to the server.
+func NewVolumeAttachmentInformer(client kubernetes.Interface, resyncPeriod time.Duration, indexers cache.Indexers) cache.SharedIndexInformer {
+	return NewFilteredVolumeAttachmentInformer(client, resyncPeriod, indexers, nil)
+}
+
+// NewFilteredVolumeAttachmentInformer constructs a new informer for VolumeAttachment type.
+// Always prefer using an informer factory to get a shared informer instead of getting an independent
+// one. This reduces memory footprint and number of connections to the server.
+func NewFilteredVolumeAttachmentInformer(client kubernetes.Interface, resyncPeriod time.Duration, indexers cache.Indexers, tweakListOptions internalinterfaces.TweakListOptionsFunc) cache.SharedIndexInformer {
+	return cache.NewSharedIndexInformer(
+		&cache.ListWatch{
+			ListFunc: func(options v1.ListOptions) (runtime.Object, error) {
+				if tweakListOptions != nil {
+					tweakListOptions(&options)
+				}
+				return client.StorageV1beta1().VolumeAttachments().List(options)
+			},
+			WatchFunc: func(options v1.ListOptions) (watch.Interface, error) {
+				if tweakListOptions != nil {
+					tweakListOptions(&options)
+				}
+				return client.StorageV1beta1().VolumeAttachments().Watch(options)
+			},
+		},
+		&storagev1beta1.VolumeAttachment{},
+		resyncPeriod,
+		indexers,
+	)
+}
+
+func (f *volumeAttachmentInformer) defaultInformer(client kubernetes.Interface, resyncPeriod time.Duration) cache.SharedIndexInformer {
+	return NewFilteredVolumeAttachmentInformer(client, resyncPeriod, cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc}, f.tweakListOptions)
+}
+
+func (f *volumeAttachmentInformer) Informer() cache.SharedIndexInformer {
+	return f.factory.InformerFor(&storagev1beta1.VolumeAttachment{}, f.defaultInformer)
+}
+
+func (f *volumeAttachmentInformer) Lister() v1beta1.VolumeAttachmentLister {
+	return v1beta1.NewVolumeAttachmentLister(f.Informer().GetIndexer())
+}