add accessor

Signed-off-by: f10atin9 <f10atin9@kubesphere.io>
This commit is contained in:
f10atin9
2022-04-06 16:44:32 +08:00
parent 52c13ae9d5
commit f92026c606
17 changed files with 1310 additions and 8 deletions

View File

@@ -226,6 +226,7 @@ func run(s *options.KubeSphereControllerManagerOptions, ctx context.Context) err
hookServer.Register("/validate-email-iam-kubesphere-io-v1alpha2", &webhook.Admission{Handler: &user.EmailValidator{Client: mgr.GetClient()}})
hookServer.Register("/validate-network-kubesphere-io-v1alpha1", &webhook.Admission{Handler: &webhooks.ValidatingHandler{C: mgr.GetClient()}})
hookServer.Register("/mutate-network-kubesphere-io-v1alpha1", &webhook.Admission{Handler: &webhooks.MutatingHandler{C: mgr.GetClient()}})
hookServer.Register("/persistentvolumeclaims", &webhook.Admission{Handler: &webhooks.AccessorHandler{C: mgr.GetClient()}})
resourceQuotaAdmission, err := quota.NewResourceQuotaAdmission(mgr.GetClient(), mgr.GetScheme())
if err != nil {

View File

@@ -120,3 +120,37 @@ webhooks:
- pods
scope: '*'
sideEffects: None
---
apiVersion: admissionregistration.k8s.io/v1
kind: ValidatingWebhookConfiguration
metadata:
name: storageclass-accessor.storage.kubesphere.io
webhooks:
- admissionReviewVersions:
- v1beta1
clientConfig:
caBundle: {{ b64enc $ca.Cert | quote }}
service:
name: ks-controller-manager
namespace: {{ .Release.Namespace }}
path: /persistentvolumeclaims
port: 443
failurePolicy: Ignore
matchPolicy: Exact
name: storageclass-accessor.storage.kubesphere.io
namespaceSelector: {}
objectSelector: {}
rules:
- apiGroups:
- '*'
apiVersions:
- '*'
operations:
- CREATE
- UPDATE
- DELETE
resources:
- persistentvolumeclaims
scope: '*'
sideEffects: None

9
go.mod
View File

@@ -61,6 +61,7 @@ require (
github.com/kubernetes-csi/external-snapshotter/client/v4 v4.2.0
github.com/kubesphere/pvc-autoresizer v0.1.1
github.com/kubesphere/sonargo v0.0.2
github.com/kubesphere/storageclass-accessor v0.2.0
github.com/lann/builder v0.0.0-20180802200727-47ae307949d0 // indirect
github.com/lann/ps v0.0.0-20150810152359-62de8c46ede0 // indirect
github.com/mattn/go-runewidth v0.0.4 // indirect
@@ -107,16 +108,16 @@ require (
istio.io/api v0.0.0-20201113182140-d4b7e3fc2b44
istio.io/client-go v0.0.0-20201113183938-0734e976e785
istio.io/gogo-genproto v0.0.0-20201113182723-5b8563d8a012 // indirect
k8s.io/api v0.21.4
k8s.io/api v0.22.1
k8s.io/apiextensions-apiserver v0.21.4
k8s.io/apimachinery v0.21.4
k8s.io/apimachinery v0.22.1
k8s.io/apiserver v0.21.2
k8s.io/cli-runtime v0.21.2
k8s.io/client-go v12.0.0+incompatible
k8s.io/code-generator v0.21.2
k8s.io/component-base v0.21.4
k8s.io/klog v1.0.0
k8s.io/klog/v2 v2.8.0
k8s.io/klog/v2 v2.9.0
k8s.io/kube-openapi v0.0.0-20210421082810-95288971da7e
k8s.io/kubectl v0.21.2
k8s.io/metrics v0.21.2
@@ -126,7 +127,7 @@ require (
kubesphere.io/monitoring-dashboard v0.2.2
rsc.io/letsencrypt v0.0.1 // indirect
sigs.k8s.io/application v0.8.4-0.20201016185654-c8e2959e57a0
sigs.k8s.io/controller-runtime v0.9.8-0.20211019125639-aa2b3e68a52d
sigs.k8s.io/controller-runtime v0.10.0
sigs.k8s.io/controller-tools v0.6.2
sigs.k8s.io/kubefed v0.8.1
sigs.k8s.io/kustomize/api v0.8.8

2
go.sum
View File

@@ -525,6 +525,8 @@ github.com/kubesphere/pvc-autoresizer v0.1.1 h1:Q0VrvLfTiE1f38EvmFpJdBevwN21X7Br
github.com/kubesphere/pvc-autoresizer v0.1.1/go.mod h1:88qz9L1Ov2bvw7L/i5mUT8g5DvBwRCZ60JA2d1WLgB0=
github.com/kubesphere/sonargo v0.0.2 h1:hsSRE3sv3mkPcUAeSABdp7rtfcNW2zzeHXzFa01CTkU=
github.com/kubesphere/sonargo v0.0.2/go.mod h1:ww8n9ANlDXhX5PBZ18iaRnCgEkXN0GMml3/KZXOZ11w=
github.com/kubesphere/storageclass-accessor v0.2.0 h1:rnzKafhneo8160dh6REm3z1yAEaQWz1x/Lwi3QFVLWE=
github.com/kubesphere/storageclass-accessor v0.2.0/go.mod h1:jqZ3tCiw09yOiPkZ3rDmf6QIpbZJx55McnyRaS0ayCY=
github.com/kylelemons/go-gypsy v0.0.0-20160905020020-08cad365cd28/go.mod h1:T/T7jsxVqf9k/zYOqbgNAsANsjxTd1Yq3htjDhQ1H0c=
github.com/kylelemons/godebug v0.0.0-20160406211939-eadb3ce320cb/go.mod h1:B69LEHPfb2qLo0BaaOLcbitczOKLWTsrBG9LczfCD4k=
github.com/lann/builder v0.0.0-20180802200727-47ae307949d0 h1:SOEGU9fKiNWd/HOJuq6+3iTQz8KNCLtVX6idSoTLdUw=

View File

@@ -0,0 +1,30 @@
package webhooks
import (
"context"
accessor "github.com/kubesphere/storageclass-accessor/webhook"
v1 "k8s.io/api/admission/v1"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/webhook/admission"
)
type AccessorHandler struct {
C client.Client
decoder *admission.Decoder
}
func (h *AccessorHandler) InjectDecoder(d *admission.Decoder) error {
h.decoder = d
return nil
}
func (h *AccessorHandler) Handle(ctx context.Context, req admission.Request) admission.Response {
review := v1.AdmissionReview{
Request: &req.AdmissionRequest,
}
resp := accessor.AdmitPVC(review)
return admission.Response{
AdmissionResponse: *resp,
}
}

View File

@@ -0,0 +1,201 @@
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View File

@@ -0,0 +1,100 @@
/*
Copyright 2021 f10atin9.
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.
*/
package v1alpha1
import (
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
// +kubebuilder:validation:Enum=In;NotIn
type Operator string
// +kubebuilder:validation:Enum=Name;Status
type Field string
const (
In Operator = "In"
NotIn Operator = "NotIn"
Name Field = "Name"
Status Field = "Status"
)
// AccessorSpec defines the desired state of Accessor
type AccessorSpec struct {
StorageClassName string `json:"storageClassName"`
NameSpaceSelector NameSpaceList `json:"namespaceSelector"`
WorkSpaceSelector WorkSpaceList `json:"workspaceSelector"`
}
type NameSpaceList struct {
LabelSelector []MatchExpressions `json:"labelSelector"`
FieldSelector []FieldExpressions `json:"fieldSelector"`
}
type FieldExpressions struct {
FieldExpressions []FieldExpression `json:"fieldExpressions"`
}
type MatchExpressions struct {
MatchExpressions []MatchExpression `json:"matchExpressions"`
}
type MatchExpression struct {
Key string `json:"key"`
Operator Operator `json:"operator"`
Values []string `json:"values"`
}
type FieldExpression struct {
Field Field `json:"field"`
Operator Operator `json:"operator"`
Values []string `json:"values"`
}
type WorkSpaceList struct {
LabelSelector []MatchExpressions `json:"labelSelector"`
FieldSelector []FieldExpressions `json:"fieldSelector"`
}
//+kubebuilder:object:root=true
//+kubebuilder:subresource:status
// Accessor is the Schema for the accessors API
// +kubebuilder:resource:scope=Cluster
// +kubebuilder:printcolumn:name="StorageClass",type=string,JSONPath=`.spec.storageClassName`
// +kubebuilder:printcolumn:name="Age",type=date,JSONPath=`.metadata.creationTimestamp`
type Accessor struct {
metav1.TypeMeta `json:",inline"`
metav1.ObjectMeta `json:"metadata,omitempty"`
Spec AccessorSpec `json:"spec,omitempty"`
}
//+kubebuilder:object:root=true
// AccessorList contains a list of Accessor
type AccessorList struct {
metav1.TypeMeta `json:",inline"`
metav1.ListMeta `json:"metadata,omitempty"`
Items []Accessor `json:"items"`
}
func init() {
SchemeBuilder.Register(&Accessor{}, &AccessorList{})
}

View File

@@ -0,0 +1,36 @@
/*
Copyright 2021 f10atin9.
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.
*/
// Package v1alpha1 contains API Schema definitions for the storage v1alpha1 API group
//+kubebuilder:object:generate=true
//+groupName=storage.kubesphere.io
package v1alpha1
import (
"k8s.io/apimachinery/pkg/runtime/schema"
"sigs.k8s.io/controller-runtime/pkg/scheme"
)
var (
// GroupVersion is group version used to register these objects
GroupVersion = schema.GroupVersion{Group: "storage.kubesphere.io", Version: "v1alpha1"}
// SchemeBuilder is used to add go types to the GroupVersionKind scheme
SchemeBuilder = &scheme.Builder{GroupVersion: GroupVersion}
// AddToScheme adds the types in this group-version to the given scheme.
AddToScheme = SchemeBuilder.AddToScheme
)

View File

@@ -0,0 +1,212 @@
// +build !ignore_autogenerated
/*
Copyright 2021 f10atin9.
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 controller-gen. DO NOT EDIT.
package v1alpha1
import (
runtime "k8s.io/apimachinery/pkg/runtime"
)
// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
func (in *Accessor) DeepCopyInto(out *Accessor) {
*out = *in
out.TypeMeta = in.TypeMeta
in.ObjectMeta.DeepCopyInto(&out.ObjectMeta)
in.Spec.DeepCopyInto(&out.Spec)
}
// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Accessor.
func (in *Accessor) DeepCopy() *Accessor {
if in == nil {
return nil
}
out := new(Accessor)
in.DeepCopyInto(out)
return out
}
// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
func (in *Accessor) DeepCopyObject() runtime.Object {
if c := in.DeepCopy(); c != nil {
return c
}
return nil
}
// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
func (in *AccessorList) DeepCopyInto(out *AccessorList) {
*out = *in
out.TypeMeta = in.TypeMeta
in.ListMeta.DeepCopyInto(&out.ListMeta)
if in.Items != nil {
in, out := &in.Items, &out.Items
*out = make([]Accessor, len(*in))
for i := range *in {
(*in)[i].DeepCopyInto(&(*out)[i])
}
}
}
// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new AccessorList.
func (in *AccessorList) DeepCopy() *AccessorList {
if in == nil {
return nil
}
out := new(AccessorList)
in.DeepCopyInto(out)
return out
}
// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
func (in *AccessorList) DeepCopyObject() runtime.Object {
if c := in.DeepCopy(); c != nil {
return c
}
return nil
}
// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
func (in *AccessorSpec) DeepCopyInto(out *AccessorSpec) {
*out = *in
in.NameSpaceSelector.DeepCopyInto(&out.NameSpaceSelector)
}
// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new AccessorSpec.
func (in *AccessorSpec) DeepCopy() *AccessorSpec {
if in == nil {
return nil
}
out := new(AccessorSpec)
in.DeepCopyInto(out)
return out
}
// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
func (in *FieldExpression) DeepCopyInto(out *FieldExpression) {
*out = *in
if in.Values != nil {
in, out := &in.Values, &out.Values
*out = make([]string, len(*in))
copy(*out, *in)
}
}
// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new FieldExpression.
func (in *FieldExpression) DeepCopy() *FieldExpression {
if in == nil {
return nil
}
out := new(FieldExpression)
in.DeepCopyInto(out)
return out
}
// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
func (in *FieldExpressions) DeepCopyInto(out *FieldExpressions) {
*out = *in
if in.FieldExpressions != nil {
in, out := &in.FieldExpressions, &out.FieldExpressions
*out = make([]FieldExpression, len(*in))
for i := range *in {
(*in)[i].DeepCopyInto(&(*out)[i])
}
}
}
// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new FieldExpressions.
func (in *FieldExpressions) DeepCopy() *FieldExpressions {
if in == nil {
return nil
}
out := new(FieldExpressions)
in.DeepCopyInto(out)
return out
}
// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
func (in *MatchExpression) DeepCopyInto(out *MatchExpression) {
*out = *in
if in.Values != nil {
in, out := &in.Values, &out.Values
*out = make([]string, len(*in))
copy(*out, *in)
}
}
// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new MatchExpression.
func (in *MatchExpression) DeepCopy() *MatchExpression {
if in == nil {
return nil
}
out := new(MatchExpression)
in.DeepCopyInto(out)
return out
}
// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
func (in *MatchExpressions) DeepCopyInto(out *MatchExpressions) {
*out = *in
if in.MatchExpressions != nil {
in, out := &in.MatchExpressions, &out.MatchExpressions
*out = make([]MatchExpression, len(*in))
for i := range *in {
(*in)[i].DeepCopyInto(&(*out)[i])
}
}
}
// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new MatchExpressions.
func (in *MatchExpressions) DeepCopy() *MatchExpressions {
if in == nil {
return nil
}
out := new(MatchExpressions)
in.DeepCopyInto(out)
return out
}
// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
func (in *NameSpaceList) DeepCopyInto(out *NameSpaceList) {
*out = *in
if in.LabelSelector != nil {
in, out := &in.LabelSelector, &out.LabelSelector
*out = make([]MatchExpressions, len(*in))
for i := range *in {
(*in)[i].DeepCopyInto(&(*out)[i])
}
}
if in.FieldSelector != nil {
in, out := &in.FieldSelector, &out.FieldSelector
*out = make([]FieldExpressions, len(*in))
for i := range *in {
(*in)[i].DeepCopyInto(&(*out)[i])
}
}
}
// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new NameSpaceList.
func (in *NameSpaceList) DeepCopy() *NameSpaceList {
if in == nil {
return nil
}
out := new(NameSpaceList)
in.DeepCopyInto(out)
return out
}

View File

@@ -0,0 +1,148 @@
package webhook
import (
"context"
"crypto/tls"
"sync"
"github.com/fsnotify/fsnotify"
"k8s.io/klog/v2"
)
// This file originated from github.com/kubernetes-sigs/controller-runtime/pkg/webhook/internal/certwatcher.
// We cannot import this package as it's an internal one. In addition, we cannot yet easily integrate
// with controller-runtime/pkg/webhook directly, as it would require extensive rework:
// https://github.com/kubernetes-csi/external-snapshotter/issues/422
// CertWatcher watches certificate and key files for changes. When either file
// changes, it reads and parses both and calls an optional callback with the new
// certificate.
type CertWatcher struct {
sync.Mutex
currentCert *tls.Certificate
watcher *fsnotify.Watcher
certPath string
keyPath string
}
// NewCertWatcher returns a new CertWatcher watching the given certificate and key.
func NewCertWatcher(certPath, keyPath string) (*CertWatcher, error) {
var err error
cw := &CertWatcher{
certPath: certPath,
keyPath: keyPath,
}
// Initial read of certificate and key.
if err := cw.ReadCertificate(); err != nil {
return nil, err
}
cw.watcher, err = fsnotify.NewWatcher()
if err != nil {
return nil, err
}
return cw, nil
}
// GetCertificate fetches the currently loaded certificate, which may be nil.
func (cw *CertWatcher) GetCertificate(_ *tls.ClientHelloInfo) (*tls.Certificate, error) {
cw.Lock()
defer cw.Unlock()
return cw.currentCert, nil
}
// Start starts the watch on the certificate and key files.
func (cw *CertWatcher) Start(ctx context.Context) error {
files := []string{cw.certPath, cw.keyPath}
for _, f := range files {
if err := cw.watcher.Add(f); err != nil {
return err
}
}
go cw.Watch()
// Block until the context is done.
<-ctx.Done()
return cw.watcher.Close()
}
// Watch reads events from the watcher's channel and reacts to changes.
func (cw *CertWatcher) Watch() {
for {
select {
case event, ok := <-cw.watcher.Events:
// Channel is closed.
if !ok {
return
}
cw.handleEvent(event)
case err, ok := <-cw.watcher.Errors:
// Channel is closed.
if !ok {
return
}
klog.Error(err, "certificate watch error")
}
}
}
// ReadCertificate reads the certificate and key files from disk, parses them,
// and updates the current certificate on the watcher. If a callback is set, it
// is invoked with the new certificate.
func (cw *CertWatcher) ReadCertificate() error {
cert, err := tls.LoadX509KeyPair(cw.certPath, cw.keyPath)
if err != nil {
return err
}
cw.Lock()
cw.currentCert = &cert
cw.Unlock()
klog.Info("Updated current TLS certificate")
return nil
}
func (cw *CertWatcher) handleEvent(event fsnotify.Event) {
// Only care about events which may modify the contents of the file.
if !(isWrite(event) || isRemove(event) || isCreate(event)) {
return
}
klog.V(1).Info("certificate event", "event", event)
// If the file was removed, re-add the watch.
if isRemove(event) {
if err := cw.watcher.Add(event.Name); err != nil {
klog.Error(err, "error re-watching file")
}
}
if err := cw.ReadCertificate(); err != nil {
klog.Error(err, "error re-reading certificate")
}
}
func isWrite(event fsnotify.Event) bool {
return event.Op&fsnotify.Write == fsnotify.Write
}
func isCreate(event fsnotify.Event) bool {
return event.Op&fsnotify.Create == fsnotify.Create
}
func isRemove(event fsnotify.Event) bool {
return event.Op&fsnotify.Remove == fsnotify.Remove
}

View File

@@ -0,0 +1,15 @@
package webhook
import (
v1 "k8s.io/api/admission/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
func toV1AdmissionResponse(err error) *v1.AdmissionResponse {
return &v1.AdmissionResponse{
Allowed: false,
Result: &metav1.Status{
Message: err.Error(),
},
}
}

View File

@@ -0,0 +1,102 @@
package webhook
import (
"context"
admissionv1 "k8s.io/api/admission/v1"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/klog/v2"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/client/config"
)
type ReqInfo struct {
resource string
name string
namespace string
operator string
storageClassName string
}
var reviewResponse = &admissionv1.AdmissionResponse{
Allowed: true,
Result: &metav1.Status{},
}
func AdmitPVC(ar admissionv1.AdmissionReview) *admissionv1.AdmissionResponse {
klog.Info("admitting pvc")
if !(ar.Request.Operation == admissionv1.Delete || ar.Request.Operation == admissionv1.Create) {
return reviewResponse
}
raw := ar.Request.Object.Raw
var newPVC *corev1.PersistentVolumeClaim
switch ar.Request.Operation {
case admissionv1.Create:
deserializer := codecs.UniversalDeserializer()
pvc := &corev1.PersistentVolumeClaim{}
obj, _, err := deserializer.Decode(raw, nil, pvc)
if err != nil {
klog.Error(err)
return toV1AdmissionResponse(err)
}
var ok bool
newPVC, ok = obj.(*corev1.PersistentVolumeClaim)
if !ok {
klog.Error("obj can't exchange to pvc object")
return toV1AdmissionResponse(err)
}
case admissionv1.Delete:
pvcInfo := types.NamespacedName{
Namespace: ar.Request.Namespace,
Name: ar.Request.Name,
}
cli, err := client.New(config.GetConfigOrDie(), client.Options{})
if err != nil {
return toV1AdmissionResponse(err)
}
targetPVC := &corev1.PersistentVolumeClaim{}
err = cli.Get(context.Background(), pvcInfo, targetPVC)
if err != nil {
klog.Error("get target Delete PVC from client failed, err:", err)
return toV1AdmissionResponse(err)
}
newPVC = targetPVC
}
reqPVC := ReqInfo{
resource: "persistentVolumeClaim",
name: newPVC.Name,
namespace: newPVC.Namespace,
operator: string(ar.Request.Operation),
storageClassName: *newPVC.Spec.StorageClassName,
}
return DecidePVCV1(reqPVC)
}
func DecidePVCV1(pvc ReqInfo) *admissionv1.AdmissionResponse {
accessors, err := getAccessors(pvc.storageClassName)
if err != nil {
klog.Error("get accessor failed, err:", err)
return toV1AdmissionResponse(err)
} else if len(accessors) == 0 {
klog.Info("Not Found accessor for the storageClass:", pvc.storageClassName)
return reviewResponse
}
for _, accessor := range accessors {
if err = validateNameSpace(pvc, accessor); err != nil {
return toV1AdmissionResponse(err)
}
if err = validateWorkSpace(pvc, accessor); err != nil {
return toV1AdmissionResponse(err)
}
}
return reviewResponse
}

View File

@@ -0,0 +1,27 @@
package webhook
import (
admissionv1 "k8s.io/api/admission/v1"
admissionv1beta1 "k8s.io/api/admission/v1beta1"
admissionregistrationv1 "k8s.io/api/admissionregistration/v1"
admissionregistrationv1beta1 "k8s.io/api/admissionregistration/v1beta1"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/serializer"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
)
var scheme = runtime.NewScheme()
var codecs = serializer.NewCodecFactory(scheme)
func init() {
addToScheme(scheme)
}
func addToScheme(scheme *runtime.Scheme) {
utilruntime.Must(corev1.AddToScheme(scheme))
utilruntime.Must(admissionv1beta1.AddToScheme(scheme))
utilruntime.Must(admissionregistrationv1beta1.AddToScheme(scheme))
utilruntime.Must(admissionv1.AddToScheme(scheme))
utilruntime.Must(admissionregistrationv1.AddToScheme(scheme))
}

View File

@@ -0,0 +1,94 @@
package webhook
import (
"github.com/kubesphere/storageclass-accessor/client/apis/accessor/v1alpha1"
corev1 "k8s.io/api/core/v1"
workspacev1alpha1 "kubesphere.io/api/tenant/v1alpha1"
)
func matchLabel(info map[string]string, expressions []v1alpha1.MatchExpressions) bool {
if len(expressions) == 0 {
return true
}
for _, rule := range expressions {
rulePass := true
for _, item := range rule.MatchExpressions {
switch item.Operator {
case v1alpha1.In:
rulePass = rulePass && inList(info[item.Key], item.Values)
case v1alpha1.NotIn:
rulePass = rulePass && !inList(info[item.Key], item.Values)
}
}
if rulePass {
return rulePass
}
}
return false
}
func matchField(ns *corev1.Namespace, expressions []v1alpha1.FieldExpressions) bool {
//If not set limit, default pass
if len(expressions) == 0 {
return true
}
for _, rule := range expressions {
rulePass := true
for _, item := range rule.FieldExpressions {
var val string
switch item.Field {
case v1alpha1.Name:
val = ns.Name
case v1alpha1.Status:
val = string(ns.Status.Phase)
}
switch item.Operator {
case v1alpha1.In:
rulePass = rulePass && inList(val, item.Values)
case v1alpha1.NotIn:
rulePass = rulePass && !inList(val, item.Values)
}
}
if rulePass {
return rulePass
}
}
return false
}
func wsMatchField(ws *workspacev1alpha1.Workspace, expressions []v1alpha1.FieldExpressions) bool {
if len(expressions) == 0 {
return true
}
for _, rule := range expressions {
pass := true
for _, item := range rule.FieldExpressions {
switch item.Field {
case v1alpha1.Status:
continue
}
switch item.Operator {
case v1alpha1.In:
pass = pass && inList(ws.Name, item.Values)
case v1alpha1.NotIn:
pass = pass && !inList(ws.Name, item.Values)
}
}
if pass {
return pass
}
}
return false
}
func inList(val string, list []string) bool {
for _, elements := range list {
if val == elements {
return true
}
}
return false
}

View File

@@ -0,0 +1,129 @@
package webhook
import (
"context"
"fmt"
"github.com/kubesphere/storageclass-accessor/client/apis/accessor/v1alpha1"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/types"
"k8s.io/klog/v2"
workspacev1alpha1 "kubesphere.io/api/tenant/v1alpha1"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/client/config"
)
func validateNameSpace(reqResource ReqInfo, accessor *v1alpha1.Accessor) error {
klog.Info("start validate namespace")
//accessor, err := getAccessor()
ns, err := getNameSpace(reqResource.namespace)
if err != nil {
klog.Error(err)
return err
}
var fieldPass, labelPass bool
fieldPass = matchField(ns, accessor.Spec.NameSpaceSelector.FieldSelector)
labelPass = matchLabel(ns.Labels, accessor.Spec.NameSpaceSelector.LabelSelector)
if fieldPass && labelPass {
return nil
}
klog.Error(fmt.Sprintf("%s %s does not allowed %s in the namespace: %s", reqResource.resource, reqResource.name, reqResource.operator, reqResource.namespace))
return fmt.Errorf("The storageClass: %s does not allowed %s %s %s in the namespace: %s ", reqResource.storageClassName, reqResource.operator, reqResource.resource, reqResource.name, reqResource.namespace)
}
func validateWorkSpace(reqResource ReqInfo, accessor *v1alpha1.Accessor) error {
klog.Info("start validate workspace")
ns, err := getNameSpace(reqResource.namespace)
if err != nil {
klog.Error(err)
return err
}
if wsName, ok := ns.Labels["kubesphere.io/workspace"]; ok {
var ws *workspacev1alpha1.Workspace
ws, err = getWorkSpace(wsName)
if err != nil {
klog.Error("Cannot get the workspace")
}
var fieldPass, labelPass bool
fieldPass = wsMatchField(ws, accessor.Spec.WorkSpaceSelector.FieldSelector)
labelPass = matchLabel(ns.Labels, accessor.Spec.WorkSpaceSelector.LabelSelector)
if fieldPass && labelPass {
return nil
}
klog.Error(fmt.Sprintf("%s %s does not allowed %s in the workspace: %s", reqResource.resource, reqResource.name, reqResource.operator, wsName))
return fmt.Errorf("The storageClass: %s does not allowed %s %s %s in the workspace: %s ", reqResource.storageClassName, reqResource.operator, reqResource.resource, reqResource.name, wsName)
}
klog.Info("Unable to get workspace information, skipped.")
return nil
}
func getNameSpace(nameSpaceName string) (*corev1.Namespace, error) {
nsClient, err := client.New(config.GetConfigOrDie(), client.Options{})
if err != nil {
return nil, err
}
ns := &corev1.Namespace{}
err = nsClient.Get(context.Background(), types.NamespacedName{Namespace: "", Name: nameSpaceName}, ns)
if err != nil {
klog.Error("client get namespace failed, err:", err)
return nil, err
}
return ns, nil
}
func getAccessors(storageClassName string) ([]*v1alpha1.Accessor, error) {
// get config
cfg, err := config.GetConfig()
if err != nil {
return nil, err
}
var cli client.Client
opts := client.Options{}
scheme := runtime.NewScheme()
_ = v1alpha1.AddToScheme(scheme)
opts.Scheme = scheme
cli, err = client.New(cfg, opts)
if err != nil {
return nil, err
}
accessorList := &v1alpha1.AccessorList{}
var listOpt []client.ListOption
err = cli.List(context.Background(), accessorList, listOpt...)
if err != nil {
// TODO If not found , pass or not?
return nil, err
}
list := make([]*v1alpha1.Accessor, 0)
for _, accessor := range accessorList.Items {
if accessor.Spec.StorageClassName == storageClassName {
list = append(list, &accessor)
}
}
return list, nil
}
func getWorkSpace(workspaceName string) (*workspacev1alpha1.Workspace, error) {
cfg, err := config.GetConfig()
if err != nil {
return nil, err
}
var cli client.Client
opts := client.Options{}
scheme := runtime.NewScheme()
_ = workspacev1alpha1.AddToScheme(scheme)
opts.Scheme = scheme
cli, err = client.New(cfg, opts)
if err != nil {
return nil, err
}
workspace := &workspacev1alpha1.Workspace{}
err = cli.Get(context.Background(), types.NamespacedName{Namespace: "", Name: workspaceName}, workspace)
if err != nil {
klog.Error("can't get the workspace by name, err:", err)
}
return workspace, err
}

View File

@@ -0,0 +1,166 @@
package webhook
import (
"context"
"crypto/tls"
"encoding/json"
"fmt"
"github.com/spf13/cobra"
"io/ioutil"
v1 "k8s.io/api/admission/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/klog/v2"
"net/http"
)
var (
certFile string
keyFile string
port int
)
// CmdWebhook is user by Cobra
var CmdWebhook = &cobra.Command{
Use: "storageClass-webhook",
Args: cobra.MaximumNArgs(0),
Run: main,
}
func init() {
CmdWebhook.Flags().StringVar(&certFile, "tls-cert-file", "",
"File containing the x509 Certificate for HTTPS. (CA cert, if any, concatenated after server cert). Required.")
CmdWebhook.Flags().StringVar(&keyFile, "tls-private-key-file", "",
"File containing the x509 private key matching --tls-cert-file. Required.")
CmdWebhook.Flags().IntVar(&port, "port", 443,
"Secure port that the webhook listens on")
CmdWebhook.MarkFlagRequired("tls-cert-file")
CmdWebhook.MarkFlagRequired("tls-private-key-file")
}
// admitV1beta1Func handles a v1 admission
type admitV1Func func(v1.AdmissionReview) *v1.AdmissionResponse
// admitHandler is a handler, for both validators and mutators, that supports multiple admission review versions
type admitHandler struct {
v1 admitV1Func
}
func newDelegateToV1AdmitHandler(f admitV1Func) admitHandler {
return admitHandler{v1: f}
}
func server(w http.ResponseWriter, r *http.Request, admit admitHandler) {
var body []byte
if r.Body == nil {
msg := "Expected request body to be non-empty"
klog.Error(msg)
http.Error(w, msg, http.StatusBadRequest)
}
data, err := ioutil.ReadAll(r.Body)
if err != nil {
msg := fmt.Sprintf("Request could not be decoded: %v", err)
klog.Error(msg)
http.Error(w, msg, http.StatusBadRequest)
}
body = data
// verify the content type is accurate
contentType := r.Header.Get("Content-Type")
if contentType != "application/json" {
msg := fmt.Sprintf("contentType=%s, expect application/json", contentType)
klog.Errorf(msg)
http.Error(w, msg, http.StatusBadRequest)
return
}
klog.V(2).Info(fmt.Sprintf("handling request: %s", body))
deserializer := codecs.UniversalDeserializer()
obj, gvk, err := deserializer.Decode(body, nil, nil)
if err != nil {
msg := fmt.Sprintf("Request could not be decoded: %v", err)
klog.Error(msg)
http.Error(w, msg, http.StatusBadRequest)
return
}
var responseObj runtime.Object
switch *gvk {
// TODO v1beta1 admissionReview
case v1.SchemeGroupVersion.WithKind("AdmissionReview"):
requestedAdmissionReview, ok := obj.(*v1.AdmissionReview)
if !ok {
msg := fmt.Sprintf("Expected v1.AdmissionReview but got: %T", obj)
klog.Errorf(msg)
http.Error(w, msg, http.StatusBadRequest)
return
}
responseAdmissionReview := &v1.AdmissionReview{}
responseAdmissionReview.SetGroupVersionKind(*gvk)
responseAdmissionReview.Response = admit.v1(*requestedAdmissionReview)
responseAdmissionReview.Response.UID = requestedAdmissionReview.Request.UID
responseObj = responseAdmissionReview
default:
msg := fmt.Sprintf("Unsupported group version kind: %v", gvk)
klog.Error(msg)
http.Error(w, msg, http.StatusBadRequest)
return
}
klog.V(2).Info(fmt.Sprintf("sending response: %v", responseObj))
respBytes, err := json.Marshal(responseObj)
if err != nil {
klog.Error(err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
w.Header().Set("Content-Type", "application/json")
if _, err := w.Write(respBytes); err != nil {
klog.Error(err)
}
}
func serverPVCRequest(w http.ResponseWriter, r *http.Request) {
server(w, r, newDelegateToV1AdmitHandler(AdmitPVC))
}
func startServer(ctx context.Context, tlsConfig *tls.Config, cw *CertWatcher) error {
go func() {
klog.Info("Starting certificate watcher")
if err := cw.Start(ctx); err != nil {
klog.Errorf("certificate watcher error: %v", err)
}
}()
mux := http.NewServeMux()
mux.HandleFunc("/persistentvolumeclaims", serverPVCRequest)
srv := &http.Server{
Handler: mux,
TLSConfig: tlsConfig,
}
// listener is always closed by srv.Serve
listener, err := tls.Listen("tcp", fmt.Sprintf(":%d", port), tlsConfig)
if err != nil {
return err
}
return srv.Serve(listener)
}
func main(cmd *cobra.Command, args []string) {
// Create new cert watcher
ctx, cancel := context.WithCancel(cmd.Context())
defer cancel()
cw, err := NewCertWatcher(certFile, keyFile)
if err != nil {
klog.Fatalf("failed to initialize new cert watcher: %v", err)
}
tslConfig := &tls.Config{
GetCertificate: cw.GetCertificate,
}
if err := startServer(ctx, tslConfig, cw); err != nil {
klog.Fatalf("server stopped: %v", err)
}
}

12
vendor/modules.txt vendored
View File

@@ -511,6 +511,10 @@ github.com/kubesphere/pvc-autoresizer/runners
# github.com/kubesphere/sonargo v0.0.2 => github.com/kubesphere/sonargo v0.0.2
## explicit
github.com/kubesphere/sonargo/sonar
# github.com/kubesphere/storageclass-accessor v0.2.0
## explicit
github.com/kubesphere/storageclass-accessor/client/apis/accessor/v1alpha1
github.com/kubesphere/storageclass-accessor/webhook
# github.com/lann/builder v0.0.0-20180802200727-47ae307949d0 => github.com/lann/builder v0.0.0-20180802200727-47ae307949d0
## explicit
github.com/lann/builder
@@ -1327,7 +1331,7 @@ istio.io/client-go/pkg/listers/security/v1beta1
## explicit
istio.io/gogo-genproto/googleapis/google/api
istio.io/gogo-genproto/googleapis/google/rpc
# k8s.io/api v0.21.4 => k8s.io/api v0.21.2
# k8s.io/api v0.22.1 => k8s.io/api v0.21.2
## explicit
k8s.io/api/admission/v1
k8s.io/api/admission/v1beta1
@@ -1394,7 +1398,7 @@ k8s.io/apiextensions-apiserver/pkg/client/informers/externalversions/apiextensio
k8s.io/apiextensions-apiserver/pkg/client/informers/externalversions/internalinterfaces
k8s.io/apiextensions-apiserver/pkg/client/listers/apiextensions/v1
k8s.io/apiextensions-apiserver/pkg/client/listers/apiextensions/v1beta1
# k8s.io/apimachinery v0.21.4 => k8s.io/apimachinery v0.21.2
# k8s.io/apimachinery v0.22.1 => k8s.io/apimachinery v0.21.2
## explicit
k8s.io/apimachinery/pkg/api/equality
k8s.io/apimachinery/pkg/api/errors
@@ -1916,7 +1920,7 @@ k8s.io/gengo/types
## explicit
k8s.io/klog
k8s.io/klog/klogr
# k8s.io/klog/v2 v2.8.0 => k8s.io/klog/v2 v2.8.0
# k8s.io/klog/v2 v2.9.0 => k8s.io/klog/v2 v2.8.0
## explicit
k8s.io/klog/v2
# k8s.io/kube-openapi v0.0.0-20210421082810-95288971da7e => k8s.io/kube-openapi v0.0.0-20210305001622-591a79e4bda7
@@ -2015,7 +2019,7 @@ sigs.k8s.io/apiserver-network-proxy/konnectivity-client/proto/client
# sigs.k8s.io/application v0.8.4-0.20201016185654-c8e2959e57a0 => sigs.k8s.io/application v0.8.4-0.20201016185654-c8e2959e57a0
## explicit
sigs.k8s.io/application/api/v1beta1
# sigs.k8s.io/controller-runtime v0.9.8-0.20211019125639-aa2b3e68a52d => sigs.k8s.io/controller-runtime v0.9.8-0.20211019125639-aa2b3e68a52d
# sigs.k8s.io/controller-runtime v0.10.0 => sigs.k8s.io/controller-runtime v0.9.8-0.20211019125639-aa2b3e68a52d
## explicit
sigs.k8s.io/controller-runtime
sigs.k8s.io/controller-runtime/pkg/builder