diff --git a/staging/publishing/import-restrictions.yaml b/staging/publishing/import-restrictions.yaml index 003ffa2f32b..a857f456b41 100644 --- a/staging/publishing/import-restrictions.yaml +++ b/staging/publishing/import-restrictions.yaml @@ -268,8 +268,11 @@ - k8s.io/api - k8s.io/apimachinery - k8s.io/apiserver/pkg/admission + - k8s.io/apiserver/pkg/server - k8s.io/client-go - k8s.io/klog - k8s.io/pod-security-admission - k8s.io/component-base/featuregate + - k8s.io/component-base/logs + - k8s.io/component-base/cli/flag - k8s.io/utils diff --git a/staging/publishing/rules.yaml b/staging/publishing/rules.yaml index fd762db3d3d..1ee74161523 100644 --- a/staging/publishing/rules.yaml +++ b/staging/publishing/rules.yaml @@ -1474,6 +1474,8 @@ rules: branch: master - repository: apimachinery branch: master + - repository: apiserver + branch: master - repository: client-go branch: master - repository: component-base diff --git a/staging/src/k8s.io/pod-security-admission/admission/admission.go b/staging/src/k8s.io/pod-security-admission/admission/admission.go index 6fbf2c492ae..33fdcc5ba85 100644 --- a/staging/src/k8s.io/pod-security-admission/admission/admission.go +++ b/staging/src/k8s.io/pod-security-admission/admission/admission.go @@ -190,8 +190,8 @@ func (a *Admission) ValidateConfiguration() error { // Validate admits an API request. // The objects in admission attributes are expected to be external v1 objects that we care about. -func (a *Admission) Validate(ctx context.Context, attrs Attributes) admissionv1.AdmissionResponse { - var response admissionv1.AdmissionResponse +func (a *Admission) Validate(ctx context.Context, attrs Attributes) *admissionv1.AdmissionResponse { + var response *admissionv1.AdmissionResponse switch attrs.GetResource().GroupResource() { case corev1.Resource("namespaces"): response = a.ValidateNamespace(ctx, attrs) @@ -206,7 +206,7 @@ func (a *Admission) Validate(ctx context.Context, attrs Attributes) admissionv1. return response } -func (a *Admission) ValidateNamespace(ctx context.Context, attrs Attributes) admissionv1.AdmissionResponse { +func (a *Admission) ValidateNamespace(ctx context.Context, attrs Attributes) *admissionv1.AdmissionResponse { // short-circuit on subresources if attrs.GetSubresource() != "" { return allowedResponse() @@ -219,7 +219,7 @@ func (a *Admission) ValidateNamespace(ctx context.Context, attrs Attributes) adm namespace, ok := obj.(*corev1.Namespace) if !ok { klog.InfoS("failed to assert namespace type", "type", reflect.TypeOf(obj)) - return internalErrorResponse("failed to get namespace") + return badRequestResponse("failed to decode namespace") } newPolicy, newErr := a.PolicyToEvaluate(namespace.Labels) @@ -236,13 +236,13 @@ func (a *Admission) ValidateNamespace(ctx context.Context, attrs Attributes) adm // if update, check if policy labels changed oldObj, err := attrs.GetOldObject() if err != nil { - klog.ErrorS(err, "failed to get old object") - return internalErrorResponse("failed to get old object") + klog.ErrorS(err, "failed to decode old object") + return badRequestResponse("failed to decode old object") } oldNamespace, ok := oldObj.(*corev1.Namespace) if !ok { klog.InfoS("failed to assert old namespace type", "type", reflect.TypeOf(oldObj)) - return internalErrorResponse("failed to get old namespace") + return badRequestResponse("failed to decode old namespace") } oldPolicy, oldErr := a.PolicyToEvaluate(oldNamespace.Labels) @@ -292,7 +292,7 @@ var ignoredPodSubresources = map[string]bool{ "status": true, } -func (a *Admission) ValidatePod(ctx context.Context, attrs Attributes) admissionv1.AdmissionResponse { +func (a *Admission) ValidatePod(ctx context.Context, attrs Attributes) *admissionv1.AdmissionResponse { // short-circuit on ignored subresources if ignoredPodSubresources[attrs.GetSubresource()] { return allowedResponse() @@ -304,35 +304,34 @@ func (a *Admission) ValidatePod(ctx context.Context, attrs Attributes) admission obj, err := attrs.GetObject() if err != nil { - klog.ErrorS(err, "failed to get object") - return internalErrorResponse("failed to get object") + klog.ErrorS(err, "failed to decode object") + return badRequestResponse("failed to decode object") } pod, ok := obj.(*corev1.Pod) if !ok { klog.InfoS("failed to assert pod type", "type", reflect.TypeOf(obj)) - return internalErrorResponse("failed to get pod") + return badRequestResponse("failed to decode pod") } - enforce := true if attrs.GetOperation() == admissionv1.Update { oldObj, err := attrs.GetOldObject() if err != nil { - klog.ErrorS(err, "failed to get old object") - return internalErrorResponse("failed to get old object") + klog.ErrorS(err, "failed to decode old object") + return badRequestResponse("failed to decode old object") } oldPod, ok := oldObj.(*corev1.Pod) if !ok { klog.InfoS("failed to assert old pod type", "type", reflect.TypeOf(oldObj)) - return internalErrorResponse("failed to get old pod") + return badRequestResponse("failed to decode old pod") } if !isSignificantPodUpdate(pod, oldPod) { // Nothing we care about changed, so always allow the update. return allowedResponse() } } - return a.EvaluatePod(ctx, attrs.GetNamespace(), &pod.ObjectMeta, &pod.Spec, enforce) + return a.EvaluatePod(ctx, attrs.GetNamespace(), &pod.ObjectMeta, &pod.Spec, true) } -func (a *Admission) ValidatePodController(ctx context.Context, attrs Attributes) admissionv1.AdmissionResponse { +func (a *Admission) ValidatePodController(ctx context.Context, attrs Attributes) *admissionv1.AdmissionResponse { // short-circuit on subresources if attrs.GetSubresource() != "" { return allowedResponse() @@ -344,13 +343,13 @@ func (a *Admission) ValidatePodController(ctx context.Context, attrs Attributes) obj, err := attrs.GetObject() if err != nil { - klog.ErrorS(err, "failed to get object") - return internalErrorResponse("failed to get object") + klog.ErrorS(err, "failed to decode object") + return badRequestResponse("failed to decode object") } podMetadata, podSpec, err := a.PodSpecExtractor.ExtractPodSpec(obj) if err != nil { klog.ErrorS(err, "failed to extract pod spec") - return internalErrorResponse("failed to get pod template") + return badRequestResponse("failed to extract pod template") } if podMetadata == nil && podSpec == nil { // if a controller with an optional pod spec does not contain a pod spec, skip validation @@ -361,7 +360,7 @@ func (a *Admission) ValidatePodController(ctx context.Context, attrs Attributes) // EvaluatePod looks up the policy for the pods namespace, and checks it against the given pod(-like) object. // The enforce policy is only checked if enforce=true. -func (a *Admission) EvaluatePod(ctx context.Context, namespaceName string, podMetadata *metav1.ObjectMeta, podSpec *corev1.PodSpec, enforce bool) admissionv1.AdmissionResponse { +func (a *Admission) EvaluatePod(ctx context.Context, namespaceName string, podMetadata *metav1.ObjectMeta, podSpec *corev1.PodSpec, enforce bool) *admissionv1.AdmissionResponse { // short-circuit on exempt runtimeclass if a.exemptRuntimeClass(podSpec.RuntimeClassName) { return allowedResponse() @@ -379,6 +378,7 @@ func (a *Admission) EvaluatePod(ctx context.Context, namespaceName string, podMe klog.V(2).InfoS("failed to parse PodSecurity namespace labels", "err", err) auditAnnotations["error"] = fmt.Sprintf("Failed to parse policy: %v", err) } + // TODO: log nsPolicy evaluation with context (op, resource, namespace, name) for the request. response := allowedResponse() if enforce { @@ -456,48 +456,41 @@ func (a *Admission) PolicyToEvaluate(labels map[string]string) (api.Policy, erro return api.PolicyToEvaluate(labels, a.defaultPolicy) } -// allowResponse is the response used when the admission decision is allow. -func allowedResponse() admissionv1.AdmissionResponse { - return admissionv1.AdmissionResponse{Allowed: true} +// allowedResponse is the response used when the admission decision is allow. +func allowedResponse() *admissionv1.AdmissionResponse { + return &admissionv1.AdmissionResponse{Allowed: true} +} + +func failureResponse(msg string, reason metav1.StatusReason, code int32) *admissionv1.AdmissionResponse { + return &admissionv1.AdmissionResponse{ + Allowed: false, + Result: &metav1.Status{ + Status: metav1.StatusFailure, + Reason: reason, + Message: msg, + Code: code, + }, + } } // forbiddenResponse is the response used when the admission decision is deny for policy violations. -func forbiddenResponse(msg string) admissionv1.AdmissionResponse { - return admissionv1.AdmissionResponse{ - Allowed: false, - Result: &metav1.Status{ - Status: metav1.StatusFailure, - Reason: metav1.StatusReasonForbidden, - Message: msg, - Code: http.StatusForbidden, - }, - } +func forbiddenResponse(msg string) *admissionv1.AdmissionResponse { + return failureResponse(msg, metav1.StatusFailure, http.StatusForbidden) } // invalidResponse is the response used for namespace requests when namespace labels are invalid. -func invalidResponse(msg string) admissionv1.AdmissionResponse { - return admissionv1.AdmissionResponse{ - Allowed: false, - Result: &metav1.Status{ - Status: metav1.StatusFailure, - Reason: metav1.StatusReasonInvalid, - Message: msg, - Code: 422, - }, - } +func invalidResponse(msg string) *admissionv1.AdmissionResponse { + return failureResponse(msg, metav1.StatusReasonInvalid, 422) +} + +// badRequestResponse is the response used when a request cannot be processed. +func badRequestResponse(msg string) *admissionv1.AdmissionResponse { + return failureResponse(msg, metav1.StatusReasonBadRequest, http.StatusBadRequest) } // internalErrorResponse is the response used for unexpected errors -func internalErrorResponse(msg string) admissionv1.AdmissionResponse { - return admissionv1.AdmissionResponse{ - Allowed: false, - Result: &metav1.Status{ - Status: metav1.StatusFailure, - Reason: metav1.StatusReasonInternalError, - Message: msg, - Code: http.StatusInternalServerError, - }, - } +func internalErrorResponse(msg string) *admissionv1.AdmissionResponse { + return failureResponse(msg, metav1.StatusReasonInternalError, http.StatusInternalServerError) } // isSignificantPodUpdate determines whether a pod update should trigger a policy evaluation. diff --git a/staging/src/k8s.io/pod-security-admission/cmd/webhook/server/options/options.go b/staging/src/k8s.io/pod-security-admission/cmd/webhook/server/options/options.go new file mode 100644 index 00000000000..6db53363fba --- /dev/null +++ b/staging/src/k8s.io/pod-security-admission/cmd/webhook/server/options/options.go @@ -0,0 +1,79 @@ +/* +Copyright 2021 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. +*/ + +package options + +import ( + "github.com/spf13/pflag" + + apiserveroptions "k8s.io/apiserver/pkg/server/options" +) + +const ( + DefaultPort = 8443 + DefaultInsecurePort = 8080 + DefaultClientQPSLimit = 20 + DefaultClientQPSBurst = 50 +) + +// Options has all the params needed to run a PodSecurity webhook. +type Options struct { + // Kubeconfig is the file path to the KubeConfig file to use. Only for out-of-cluster configuration. + Kubeconfig string + + // Config is the file path to the PodSecurity configuration file. + Config string + + ClientQPSLimit float32 + ClientQPSBurst int + + SecureServing apiserveroptions.SecureServingOptions + InsecureServing apiserveroptions.DeprecatedInsecureServingOptions +} + +func NewOptions() *Options { + secureServing := apiserveroptions.NewSecureServingOptions() + secureServing.ServerCert.PairName = "webhook" + o := &Options{ + SecureServing: *secureServing, + InsecureServing: apiserveroptions.DeprecatedInsecureServingOptions{}, + ClientQPSLimit: DefaultClientQPSLimit, + ClientQPSBurst: DefaultClientQPSBurst, + } + o.SecureServing.BindPort = DefaultPort + o.InsecureServing.BindPort = DefaultInsecurePort + return o +} + +func (o *Options) AddFlags(fs *pflag.FlagSet) { + fs.StringVar(&o.Kubeconfig, "kubeconfig", o.Kubeconfig, "Path to the kubeconfig file specifying how to connect to the API server. Leave empty to use an in-cluster config.") + fs.StringVar(&o.Config, "config", o.Config, "The path to the PodSecurity configuration file.") + fs.Float32Var(&o.ClientQPSLimit, "client-qps-limit", o.ClientQPSLimit, "Client QPS limit for throttling requests to the API server.") + fs.IntVar(&o.ClientQPSBurst, "client-qps-burst", o.ClientQPSBurst, "Client QPS burst limit for throttling requests to the API server.") + + o.SecureServing.AddFlags(fs) + o.InsecureServing.AddFlags(fs) +} + +// Validate validates all the required options. +func (o *Options) Validate() []error { + var errs []error + + errs = append(errs, o.SecureServing.Validate()...) + errs = append(errs, o.InsecureServing.Validate()...) + + return errs +} diff --git a/staging/src/k8s.io/pod-security-admission/cmd/webhook/server/scheme.go b/staging/src/k8s.io/pod-security-admission/cmd/webhook/server/scheme.go new file mode 100644 index 00000000000..2cc5644de93 --- /dev/null +++ b/staging/src/k8s.io/pod-security-admission/cmd/webhook/server/scheme.go @@ -0,0 +1,41 @@ +/* +Copyright 2021 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. +*/ + +package server + +import ( + admissionv1 "k8s.io/api/admission/v1" + appsv1 "k8s.io/api/apps/v1" + batchv1 "k8s.io/api/batch/v1" + 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(appsv1.AddToScheme(scheme)) + utilruntime.Must(batchv1.AddToScheme(scheme)) + utilruntime.Must(admissionv1.AddToScheme(scheme)) +} diff --git a/staging/src/k8s.io/pod-security-admission/cmd/webhook/server/server.go b/staging/src/k8s.io/pod-security-admission/cmd/webhook/server/server.go new file mode 100644 index 00000000000..d922529e03a --- /dev/null +++ b/staging/src/k8s.io/pod-security-admission/cmd/webhook/server/server.go @@ -0,0 +1,301 @@ +/* +Copyright 2021 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. +*/ + +// Package server implements a Server object for running the admission controller as a webhook server. +package server + +import ( + "context" + "encoding/json" + "errors" + "fmt" + "io/ioutil" + "net/http" + "time" + + "github.com/spf13/cobra" + + admissionv1 "k8s.io/api/admission/v1" + utilerrors "k8s.io/apimachinery/pkg/util/errors" + utilruntime "k8s.io/apimachinery/pkg/util/runtime" + apiserver "k8s.io/apiserver/pkg/server" + "k8s.io/apiserver/pkg/server/healthz" + kubeinformers "k8s.io/client-go/informers" + clientset "k8s.io/client-go/kubernetes" + restclient "k8s.io/client-go/rest" + "k8s.io/client-go/tools/clientcmd" + "k8s.io/klog/v2" + "k8s.io/pod-security-admission/admission" + admissionapi "k8s.io/pod-security-admission/admission/api" + podsecurityconfigloader "k8s.io/pod-security-admission/admission/api/load" + "k8s.io/pod-security-admission/cmd/webhook/server/options" + "k8s.io/pod-security-admission/policy" +) + +// NewSchedulerCommand creates a *cobra.Command object with default parameters and registryOptions +func NewServerCommand() *cobra.Command { + opts := options.NewOptions() + + cmd := &cobra.Command{ + Use: "podsecurity-webhook", + Long: `The PodSecurity webhook is a standalone webhook server implementing the Pod +Security Standards.`, + RunE: func(cmd *cobra.Command, _ []string) error { + return runServer(cmd.Context(), opts) + }, + Args: cobra.NoArgs, + } + opts.AddFlags(cmd.Flags()) + + return cmd +} + +func runServer(ctx context.Context, opts *options.Options) error { + config, err := LoadConfig(opts) + if err != nil { + return err + } + server, err := Setup(config) + if err != nil { + return err + } + + ctx, cancel := context.WithCancel(ctx) + defer cancel() + go func() { + stopCh := apiserver.SetupSignalHandler() + <-stopCh + cancel() + }() + + return server.Start(ctx) +} + +type Server struct { + secureServing *apiserver.SecureServingInfo + insecureServing *apiserver.DeprecatedInsecureServingInfo + + informerFactory kubeinformers.SharedInformerFactory + + delegate *admission.Admission +} + +func (s *Server) Start(ctx context.Context) error { + s.informerFactory.Start(ctx.Done()) + + mux := http.NewServeMux() + healthz.InstallHandler(mux, healthz.PingHealthz) + healthz.InstallReadyzHandler(mux, healthz.NewInformerSyncHealthz(s.informerFactory)) + // The webhook is stateless, so it's safe to expose everything on the insecure port for + // debugging or proxy purposes. The API server will not connect to an http webhook. + mux.HandleFunc("/", s.HandleValidate) + + if s.insecureServing != nil { + if err := s.insecureServing.Serve(mux, 0, ctx.Done()); err != nil { + return fmt.Errorf("failed to start insecure server: %w", err) + } + } + + var shutdownCh <-chan struct{} + if s.secureServing != nil { + var err error + shutdownCh, err = s.secureServing.Serve(mux, 0, ctx.Done()) + if err != nil { + return fmt.Errorf("failed to start secure server: %w", err) + } + } + + // Wait for graceful shutdown. + <-shutdownCh + + return nil +} + +func (s *Server) HandleValidate(w http.ResponseWriter, r *http.Request) { + defer utilruntime.HandleCrash(func(_ interface{}) { + // Assume the crash happened before the response was written. + http.Error(w, "internal server error", http.StatusInternalServerError) + }) + + var ( + body []byte + err error + ctx = r.Context() + ) + + if timeout, ok, err := parseTimeout(r); err != nil { + // Ignore an invalid timeout. + klog.V(2).InfoS("Invalid timeout", "error", err) + } else if ok { + var cancel context.CancelFunc + ctx, cancel = context.WithTimeout(ctx, timeout) + defer cancel() + } + + if r.Body == nil { + err = errors.New("request body is empty") + klog.ErrorS(err, "bad request") + http.Error(w, err.Error(), http.StatusBadRequest) + return + } + + defer r.Body.Close() + if body, err = ioutil.ReadAll(r.Body); err != nil { + klog.ErrorS(err, "unable to read the body from the incoming request") + http.Error(w, "unable to read the body from the incoming request", http.StatusBadRequest) + return + } + + // verify the content type is accurate + if contentType := r.Header.Get("Content-Type"); contentType != "application/json" { + err = fmt.Errorf("contentType=%s, expected application/json", contentType) + klog.ErrorS(err, "unable to process a request with an unknown content type", "content type", contentType) + http.Error(w, "unable to process a request with a non-json content type", http.StatusBadRequest) + return + } + + v1AdmissionReviewKind := admissionv1.SchemeGroupVersion.WithKind("AdmissionReview") + reviewObject, gvk, err := codecs.UniversalDeserializer().Decode(body, &v1AdmissionReviewKind, nil) + if err != nil { + klog.ErrorS(err, "unable to decode the request") + http.Error(w, "unable to decode the request", http.StatusBadRequest) + return + } + if *gvk != v1AdmissionReviewKind { + klog.InfoS("Unexpected AdmissionReview kind", "kind", gvk.String()) + http.Error(w, fmt.Sprintf("unexpected AdmissionReview kind: %s", gvk.String()), http.StatusBadRequest) + return + } + review, ok := reviewObject.(*admissionv1.AdmissionReview) + if !ok { + klog.InfoS("Failed admissionv1.AdmissionReview type assertion") + http.Error(w, "unexpected AdmissionReview type", http.StatusBadRequest) + } + klog.V(1).InfoS("received request", "UID", review.Request.UID, "kind", review.Request.Kind, "resource", review.Request.Resource) + + attributes := admission.RequestAttributes(review.Request, codecs.UniversalDeserializer()) + response := s.delegate.Validate(ctx, attributes) + response.UID = review.Request.UID // Response UID must match request UID + review.Response = response + writeResponse(w, review) +} + +// Config holds the loaded options.Options used to set up the webhook server. +type Config struct { + SecureServing *apiserver.SecureServingInfo + InsecureServing *apiserver.DeprecatedInsecureServingInfo + KubeConfig *restclient.Config + PodSecurityConfig *admissionapi.PodSecurityConfiguration +} + +// LoadConfig loads the Config from the Options. +func LoadConfig(opts *options.Options) (*Config, error) { + if errs := opts.Validate(); len(errs) > 0 { + return nil, utilerrors.NewAggregate(errs) + } + + var c Config + opts.SecureServing.ApplyTo(&c.SecureServing) + opts.InsecureServing.ApplyTo(&c.InsecureServing) + + // Load Kube Client + kubeConfig, err := clientcmd.BuildConfigFromFlags("", opts.Kubeconfig) + if err != nil { + return nil, err + } + kubeConfig.QPS = opts.ClientQPSLimit + kubeConfig.Burst = opts.ClientQPSBurst + c.KubeConfig = restclient.AddUserAgent(kubeConfig, "podsecurity-webhook") + + // Load PodSecurity config + c.PodSecurityConfig, err = podsecurityconfigloader.LoadFromFile(opts.Config) + if err != nil { + return nil, err + } + + return &c, nil +} + +// Setup creates an Admission object to handle the admission logic. +func Setup(c *Config) (*Server, error) { + s := &Server{ + secureServing: c.SecureServing, + insecureServing: c.InsecureServing, + } + + if s.secureServing == nil && s.insecureServing == nil { + return nil, errors.New("no serving info configured") + } + + client, err := clientset.NewForConfig(c.KubeConfig) + if err != nil { + return nil, err + } + s.informerFactory = kubeinformers.NewSharedInformerFactory(client, 0 /* no resync */) + namespaceInformer := s.informerFactory.Core().V1().Namespaces() + namespaceLister := namespaceInformer.Lister() + + evaluator, err := policy.NewEvaluator(policy.DefaultChecks()) + if err != nil { + return nil, fmt.Errorf("could not create PodSecurityRegistry: %w", err) + } + + s.delegate = &admission.Admission{ + Configuration: c.PodSecurityConfig, + Evaluator: evaluator, + Metrics: nil, // TODO: wire to default prometheus metrics + PodSpecExtractor: admission.DefaultPodSpecExtractor{}, + PodLister: admission.PodListerFromClient(client), + NamespaceGetter: admission.NamespaceGetterFromListerAndClient(namespaceLister, client), + } + + if err := s.delegate.CompleteConfiguration(); err != nil { + return nil, fmt.Errorf("configuration error: %w", err) + } + if err := s.delegate.ValidateConfiguration(); err != nil { + return nil, fmt.Errorf("invalid configuration: %w", err) + } + + return s, nil +} + +func writeResponse(w http.ResponseWriter, review *admissionv1.AdmissionReview) { + // Webhooks should always respond with a 200 HTTP status code when an AdmissionResponse can be sent. + // In an error case, the true status code is captured in the response.result.code + if err := json.NewEncoder(w).Encode(review); err != nil { + klog.ErrorS(err, "Failed to encode response") + // Unable to send an AdmissionResponse, fall back to an HTTP error. + http.Error(w, err.Error(), http.StatusInternalServerError) + } +} + +// parseTimeout parses the given HTTP request URL and extracts the timeout query parameter +// value if specified by the user. +// If a timeout is not specified the function returns false and err is set to nil +// If the value specified is malformed then the function returns false and err is set +func parseTimeout(req *http.Request) (time.Duration, bool, error) { + value := req.URL.Query().Get("timeout") + if value == "" { + return 0, false, nil + } + + timeout, err := time.ParseDuration(value) + if err != nil { + return 0, false, fmt.Errorf("invalid timeout query: %w", err) + } + + return timeout, true, nil +} diff --git a/staging/src/k8s.io/pod-security-admission/cmd/webhook/webhook.go b/staging/src/k8s.io/pod-security-admission/cmd/webhook/webhook.go new file mode 100644 index 00000000000..8c6642b670f --- /dev/null +++ b/staging/src/k8s.io/pod-security-admission/cmd/webhook/webhook.go @@ -0,0 +1,50 @@ +/* +Copyright 2021 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. +*/ + +package main + +import ( + "flag" + "math/rand" + "os" + "time" + + "github.com/spf13/pflag" + + cliflag "k8s.io/component-base/cli/flag" + "k8s.io/component-base/logs" + _ "k8s.io/component-base/logs/json/register" // for JSON log format registration + "k8s.io/klog/v2" + "k8s.io/pod-security-admission/cmd/webhook/server" +) + +func main() { + rand.Seed(time.Now().UnixNano()) + + pflag.CommandLine.SetNormalizeFunc(cliflag.WordSepNormalizeFunc) + + command := server.NewServerCommand() + + logs.InitLogs() + defer logs.FlushLogs() + logFlags := flag.NewFlagSet("klog", flag.ContinueOnError) + klog.InitFlags(logFlags) + command.Flags().AddGoFlagSet(logFlags) + + if err := command.Execute(); err != nil { + os.Exit(1) + } +} diff --git a/staging/src/k8s.io/pod-security-admission/go.mod b/staging/src/k8s.io/pod-security-admission/go.mod index ed6c0fb77a8..f8b31e6d517 100644 --- a/staging/src/k8s.io/pod-security-admission/go.mod +++ b/staging/src/k8s.io/pod-security-admission/go.mod @@ -6,9 +6,12 @@ go 1.16 require ( github.com/google/go-cmp v0.5.5 + github.com/spf13/cobra v1.1.3 + github.com/spf13/pflag v1.0.5 github.com/stretchr/testify v1.7.0 k8s.io/api v0.0.0 k8s.io/apimachinery v0.0.0 + k8s.io/apiserver v0.0.0 k8s.io/client-go v0.0.0 k8s.io/component-base v0.0.0 k8s.io/klog/v2 v2.9.0 @@ -19,6 +22,7 @@ require ( replace ( k8s.io/api => ../api k8s.io/apimachinery => ../apimachinery + k8s.io/apiserver => ../apiserver k8s.io/client-go => ../client-go k8s.io/component-base => ../component-base k8s.io/pod-security-admission => ../pod-security-admission diff --git a/staging/src/k8s.io/pod-security-admission/go.sum b/staging/src/k8s.io/pod-security-admission/go.sum index 75fb95b8ce6..782e4dd8b0d 100644 --- a/staging/src/k8s.io/pod-security-admission/go.sum +++ b/staging/src/k8s.io/pod-security-admission/go.sum @@ -8,6 +8,7 @@ cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To= cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4= cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M= +cloud.google.com/go v0.54.0 h1:3ithwDMr7/3vpAMXiH+ZQnYbuIsh+OPhUPMFC9enmn0= cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc= cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o= cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE= @@ -31,11 +32,16 @@ github.com/Azure/go-autorest/autorest/date v0.3.0/go.mod h1:BI0uouVdmngYNUzGWeSY github.com/Azure/go-autorest/autorest/mocks v0.4.1/go.mod h1:LTp+uSrOhSkaKrUy935gNZuuIPPVsHlr9DSOxSayd+k= github.com/Azure/go-autorest/logger v0.2.1/go.mod h1:T9E3cAhj2VqvPOtCYAvby9aBXkZmbF5NWuPV8+WeEW8= github.com/Azure/go-autorest/tracing v0.6.0/go.mod h1:+vhtPC754Xsa23ID7GlGsrdKBpUA79WCAKPPZVC2DeU= +github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ= github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo= github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ= +github.com/NYTimes/gziphandler v1.1.1 h1:ZUDjpQae29j0ryrS0u/B8HZfJBtBQHjqw2rQ2cqUQ3I= +github.com/NYTimes/gziphandler v1.1.1/go.mod h1:n/CVRwUEOgIxrgPvAQhUUr9oeUtvrhMomdKFjzJNB0c= github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU= +github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tNFfI= github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0= +github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 h1:d+Bc7a5rLufV/sSk/8dngufqelfh6jnri85riMAaF/M= github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE= github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc= github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc= @@ -47,15 +53,22 @@ github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hC github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY= github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8= github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY= +github.com/benbjohnson/clock v1.0.3 h1:vkLuvpK4fmtSCuo60+yC63p7y0BmQ8gm5ZXGuBCJyXg= github.com/benbjohnson/clock v1.0.3/go.mod h1:bGMdMPoPVvcYyt1gHDf4J2KE153Yf9BuiUKYMaxlTDM= github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q= github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8= +github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM= github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw= github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs= github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJmJgSg28kpZDP6UIiPt0e0Oz0kqKNGyRaWEPv84= +github.com/blang/semver v3.5.1+incompatible h1:cQNTCjp13qL8KC3Nbxr/y2Bqb63oX6wdnnjpJbkM4JQ= github.com/blang/semver v3.5.1+incompatible/go.mod h1:kRBLl5iJ+tD4TcOOxsy/0fnwebNt5EWlYSAyrTnjyyk= github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU= +github.com/certifi/gocertifi v0.0.0-20191021191039-0944d244cd40/go.mod h1:sGbDF6GwGcLpkNXPUTkMRoywsNa/ol15pxFe6ERfguA= +github.com/certifi/gocertifi v0.0.0-20200922220541-2c3bb06c6054/go.mod h1:sGbDF6GwGcLpkNXPUTkMRoywsNa/ol15pxFe6ERfguA= +github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko= github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc= +github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY= github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs= github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI= github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI= @@ -63,10 +76,18 @@ github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMn github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw= github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc= github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk= +github.com/cockroachdb/datadriven v0.0.0-20200714090401-bf6692d28da5/go.mod h1:h6jFvWxBdQXxjopDMZyH2UVceIRfR84bdzbkoKrsWNo= +github.com/cockroachdb/errors v1.2.4/go.mod h1:rQD95gz6FARkaKkQXUksEje/d9a6wBJoCr5oaCLELYA= +github.com/cockroachdb/logtags v0.0.0-20190617123548-eb05cc24525f/go.mod h1:i/u985jwjWRlyHXQbwatDASoW0RMlZ/3i9yJHE2xLkI= github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk= github.com/coreos/etcd v3.3.13+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE= +github.com/coreos/go-oidc v2.1.0+incompatible/go.mod h1:CgnwVTmzoESiwO9qyAFEMiHoZ1nMCKZlZ9V6mm3/LKc= +github.com/coreos/go-semver v0.3.0 h1:wkHLiw0WNATZnSG7epLsujiMCgPAc9xhjJ4tgnAxmfM= github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk= +github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e h1:Wf6HqHfScWJN9/ZjdUKyjop4mf3Qdd+1TvvltAvM3m8= github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4= +github.com/coreos/go-systemd/v22 v22.3.2 h1:D9/bQk5vlXQFZ6Kwuu6zaiXJ9oTPe68++AzAJc1DzSI= +github.com/coreos/go-systemd/v22 v22.3.2/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc= github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA= github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU= github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E= @@ -77,21 +98,30 @@ github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSs github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ= github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no= github.com/docopt/docopt-go v0.0.0-20180111231733-ee0de3bc6815/go.mod h1:WwZ+bS3ebgob9U8Nd0kOddGdZWjyMGR8Wziv+TBNwSE= +github.com/dustin/go-humanize v1.0.0 h1:VSnTsYCnlFHaM2/igO1h6X3HA71jcobQuxemgkq4zYo= +github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk= github.com/elazarl/goproxy v0.0.0-20180725130230-947c36da3153/go.mod h1:/Zj4wYkgs4iZTTu3o/KG3Itv/qCCa8VVMlb3i9OVuzc= github.com/emicklei/go-restful v0.0.0-20170410110728-ff4f55a20633/go.mod h1:otzb+WCGbkyDHkqmQmT5YD2WR4BBwUdeQoFo8l/7tVs= +github.com/emicklei/go-restful v2.9.5+incompatible h1:spTtZBk5DYEvbxMVutUuTyh1Ao2r4iyvLdACqsl/Ljk= +github.com/emicklei/go-restful v2.9.5+incompatible/go.mod h1:otzb+WCGbkyDHkqmQmT5YD2WR4BBwUdeQoFo8l/7tVs= github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4= github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4= github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98= github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk= github.com/envoyproxy/go-control-plane v0.9.9-0.20210217033140-668b12f5399d/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk= github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c= +github.com/evanphx/json-patch v4.11.0+incompatible h1:glyUF9yIYtMHzn8xaKw5rMhdWcwsYV8dZHIq5567/xs= github.com/evanphx/json-patch v4.11.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLiYLvXMP4fmwYFNcr97nuDLSk= github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4= +github.com/felixge/httpsnoop v1.0.1 h1:lvB5Jl89CsZtGIWuTcDM1E/vkVs49/Ml7JJe07l8SPQ= github.com/felixge/httpsnoop v1.0.1/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U= github.com/form3tech-oss/jwt-go v3.2.2+incompatible/go.mod h1:pbq4aXjuKjdthFRnoDwaVPLA+WlJuPGy+QneDUgJi2k= +github.com/form3tech-oss/jwt-go v3.2.3+incompatible h1:7ZaBxOI7TMoYBfyA3cQHErNNyAWIKUMIwqxEtgHOs5c= github.com/form3tech-oss/jwt-go v3.2.3+incompatible/go.mod h1:pbq4aXjuKjdthFRnoDwaVPLA+WlJuPGy+QneDUgJi2k= github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo= +github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4= github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ= +github.com/getsentry/raven-go v0.2.0/go.mod h1:KungGk8q33+aIAZUIVWZDr2OfAEBsO49PX4NzFV5kcQ= github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04= github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU= github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8= @@ -106,11 +136,19 @@ github.com/go-logr/logr v0.1.0/go.mod h1:ixOQHD9gLJUVQQ2ZOR7zLEifBX6tGkNJF4QyIY7 github.com/go-logr/logr v0.4.0 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v0.0.0-20191227052852-215e87163ea7/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc= github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc= +github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da h1:oI5xCqsCo564l8iNU+DwB5epxmsaqB+rhGL0m5jtYqE= github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc= github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A= github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A= @@ -138,10 +177,12 @@ github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QD github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI= github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI= github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk= 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go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE= +go.uber.org/atomic v1.7.0 h1:ADUqmZGgLDDfbSL9ZmPxKTybcoEYHgpYfELNoN+7hsw= go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc= +go.uber.org/goleak v1.1.10 h1:z+mqJhf6ss6BSfSM671tgKyZBFPTTJM+HLxnhPC3wu0= +go.uber.org/goleak v1.1.10/go.mod h1:8a7PlsEVH3e/a/GLqe5IIrQx6GzcnRmZEufDUTk4A7A= go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0= +go.uber.org/multierr v1.6.0 h1:y6IPFStTAIT5Ytl7/XYmHvzXQ7S3g/IeZW9hyZ5thw4= go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU= go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q= +go.uber.org/zap v1.17.0 h1:MTjgFu6ZLKvY6Pvaqk97GlxNBuMpV4Hy/3P6tRGlI2U= go.uber.org/zap v1.17.0/go.mod h1:MXVU+bhUf/A7Xi2HNOnopQOrmycQ5Ih87HtOu4q5SSo= golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= @@ -360,6 +472,7 @@ golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8U golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= golang.org/x/crypto v0.0.0-20201002170205-7f63de1d35b0/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= +golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83 h1:/ZScEX8SfEmUGRHs0gxpqteO5nfNW6axyZbBdw9A12g= golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I= golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA= golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA= @@ -383,6 +496,7 @@ golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHl golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f/go.mod h1:5qLYkcX4OjUUV8bRuDixDT3tpyyb+LUpUlRWLxfhWrs= golang.org/x/lint v0.0.0-20200130185559-910be7a94367/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY= golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY= +golang.org/x/lint v0.0.0-20210508222113-6edffad5e616 h1:VLliZ0d+/avPrXXH+OakdXhpJuEoBZuwh1m2j7U6Iug= golang.org/x/lint v0.0.0-20210508222113-6edffad5e616/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY= golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE= golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o= @@ -422,6 +536,7 @@ golang.org/x/net v0.0.0-20200520004742-59133d7f0dd7/go.mod h1:qpuaurCH72eLCgpAm/ golang.org/x/net v0.0.0-20200625001655-4c5254603344/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA= golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA= golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU= +golang.org/x/net v0.0.0-20201202161906-c7110b5ffcbb/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU= golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM= golang.org/x/net v0.0.0-20210520170846-37e1c6afe023 h1:ADo5wSpq2gqaCGQWzk7S5vd//0iyyLeAratkEoG5dLE= golang.org/x/net v0.0.0-20210520170846-37e1c6afe023/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y= @@ -439,6 +554,7 @@ golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJ golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= +golang.org/x/sync v0.0.0-20210220032951-036812b2e83c h1:5KslGYwFpkhGh+Q16bwMP3cOontH8FOep7tGV86Y7SQ= golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= @@ -475,10 +591,12 @@ golang.org/x/sys v0.0.0-20200519105757-fe76b779f299/go.mod h1:h1NjWce9XRLGQEsW7w golang.org/x/sys v0.0.0-20200615200032-f1bc736245b1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200625212154-ddb9806d33ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200831180312-196b9ba8737a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200923182605-d9f96fdee20d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20210403161142-5e06dd20ab57/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.0.0-20210603081109-ebe580a85c40/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= @@ -503,6 +621,7 @@ golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba h1:O8mE0/t419eoIwhTFpKVkHiT golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= +golang.org/x/tools v0.0.0-20181030221726-6c7e314b6563/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY= golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs= @@ -519,6 +638,7 @@ golang.org/x/tools v0.0.0-20190628153133-6cdbf07be9d0/go.mod h1:/rFqwRUd4F7ZHNgw golang.org/x/tools v0.0.0-20190816200558-6889da9d5479/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20190911174233-4f2ddba30aff/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20191012152004-8de300cfc20a/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= +golang.org/x/tools v0.0.0-20191108193012-7d206e10da11/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20191112195655-aa38f8e97acc/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20191113191852-77e3bb0ad9e7/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20191115202509-3a792d9c32b2/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= @@ -537,6 +657,7 @@ golang.org/x/tools v0.0.0-20200224181240-023911ca70b2/go.mod h1:TB2adYChydJhpapK golang.org/x/tools v0.0.0-20200304193943-95d2e580d8eb/go.mod h1:o4KQGtdN14AW+yjsvvwRTJJuXz8XRtIHtEnmAXLyFUw= golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE= golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA= +golang.org/x/tools v0.1.2 h1:kRBLX7v7Af8W7Gdbbc908OJcdgtK8bOz9Uaj8/F1ACA= golang.org/x/tools v0.1.2/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk= golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= @@ -577,9 +698,11 @@ google.golang.org/genproto v0.0.0-20200204135345-fa8e72b47b90/go.mod h1:GmwEX6Z4 google.golang.org/genproto v0.0.0-20200212174721-66ed5ce911ce/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c= google.golang.org/genproto v0.0.0-20200224152610-e50cd9704f63/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c= google.golang.org/genproto v0.0.0-20200305110556-506484158171/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c= +google.golang.org/genproto v0.0.0-20200423170343-7949de9c1215/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c= google.golang.org/genproto v0.0.0-20200513103714-09dca8ec2884/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c= google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo= google.golang.org/genproto v0.0.0-20201019141844-1ed22bb0c154/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no= +google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c h1:wtujag7C+4D6KMoulW9YauvK2lgdvCMS260jsqqBXr0= google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c/go.mod h1:UODoCrxHCcBojKKwX1terBiRUaqAsFqJiF615XL43r0= google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c= google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38= @@ -589,9 +712,11 @@ google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQ google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk= google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk= google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk= +google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk= google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0= google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU= google.golang.org/grpc v1.37.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM= +google.golang.org/grpc v1.38.0 h1:/9BgsAsa5nWe26HqOlvlgJnqBuktYOLCgjCPqsa56W0= google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM= google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8= google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0= @@ -617,7 +742,11 @@ gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMy gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc= gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw= gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k= +gopkg.in/natefinch/lumberjack.v2 v2.0.0 h1:1Lc07Kr7qY4U2YPouBjpCLxpiyxIVoxqXgkXLknAOE8= +gopkg.in/natefinch/lumberjack.v2 v2.0.0/go.mod h1:l0ndWWf7gzL7RNwBG7wST/UCcT4T24xpD6X8LsfU/+k= gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo= +gopkg.in/square/go-jose.v2 v2.2.2/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI= +gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ= gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw= gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74= gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= @@ -645,12 +774,15 @@ k8s.io/gengo v0.0.0-20200413195148-3a45101e95ac/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8 k8s.io/klog/v2 v2.0.0/go.mod h1:PBfzABfn139FHAV07az/IF9Wp1bkk3vpT2XSJ76fSDE= k8s.io/klog/v2 v2.9.0 h1:D7HV+n1V57XeZ0m6tdRkfknthUaM06VFbWldOFh8kzM= k8s.io/klog/v2 v2.9.0/go.mod h1:hy9LJ/NvuK+iVyP4Ehqva4HxZG/oXyIS3n3Jmire4Ec= +k8s.io/kube-openapi v0.0.0-20210421082810-95288971da7e h1:KLHHjkdQFomZy8+06csTWZ0m1343QqxZhR2LJ1OxCYM= k8s.io/kube-openapi v0.0.0-20210421082810-95288971da7e/go.mod h1:vHXdDvt9+2spS2Rx9ql3I8tycm3H9FDfdUoIuKCefvw= k8s.io/utils v0.0.0-20210707171843-4b05e18ac7d9 h1:imL9YgXQ9p7xmPzHFm/vVd/cF78jad+n4wK1ABwYtMM= k8s.io/utils v0.0.0-20210707171843-4b05e18ac7d9/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA= rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8= rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0= rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA= +sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.0.21 h1:pZrqT6D1ELgaNLxcp5I2ArxqW7E5rMNFXUppOajqquo= +sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.0.21/go.mod h1:LEScyzhFmoF5pso/YSeBstl57mOzx9xlU9n85RGrDQg= sigs.k8s.io/structured-merge-diff/v4 v4.0.2/go.mod h1:bJZC9H9iH24zzfZ/41RGcq60oK1F7G282QMXDPYydCw= sigs.k8s.io/structured-merge-diff/v4 v4.1.2 h1:Hr/htKFmJEbtMgS/UD0N+gtgctAqz81t3nu+sPzynno= sigs.k8s.io/structured-merge-diff/v4 v4.1.2/go.mod h1:j/nl6xW8vLS49O8YvXW1ocPhZawJtm+Yrr7PPRQ0Vg4= diff --git a/test/integration/auth/podsecurity_test.go b/test/integration/auth/podsecurity_test.go index c78d20d215b..a01bd53261e 100644 --- a/test/integration/auth/podsecurity_test.go +++ b/test/integration/auth/podsecurity_test.go @@ -17,15 +17,33 @@ limitations under the License. package auth import ( + "context" + "fmt" + "net" + "net/http" + "net/url" "testing" + "time" + admissionregistrationv1 "k8s.io/api/admissionregistration/v1" + corev1 "k8s.io/api/core/v1" + apierrors "k8s.io/apimachinery/pkg/api/errors" + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" + "k8s.io/apimachinery/pkg/util/wait" + apiserver "k8s.io/apiserver/pkg/server" + "k8s.io/apiserver/pkg/server/dynamiccertificates" utilfeature "k8s.io/apiserver/pkg/util/feature" + "k8s.io/client-go/kubernetes" + "k8s.io/client-go/rest" "k8s.io/component-base/featuregate" featuregatetesting "k8s.io/component-base/featuregate/testing" kubeapiservertesting "k8s.io/kubernetes/cmd/kube-apiserver/app/testing" "k8s.io/kubernetes/pkg/capabilities" "k8s.io/kubernetes/pkg/features" "k8s.io/kubernetes/test/integration/framework" + utiltest "k8s.io/kubernetes/test/utils" + podsecurityconfigloader "k8s.io/pod-security-admission/admission/api/load" + podsecurityserver "k8s.io/pod-security-admission/cmd/webhook/server" podsecuritytest "k8s.io/pod-security-admission/test" ) @@ -33,6 +51,7 @@ func TestPodSecurity(t *testing.T) { // Enable all feature gates needed to allow all fields to be exercised defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.ProcMountType, true)() defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.WindowsHostProcessContainers, true)() + defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.AppArmor, true)() // Ensure the PodSecurity feature is enabled defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.PodSecurity, true)() // Start server @@ -71,6 +90,43 @@ func TestPodSecurityGAOnly(t *testing.T) { podsecuritytest.Run(t, opts) } +func TestPodSecurityWebhook(t *testing.T) { + // Enable all feature gates needed to allow all fields to be exercised + defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.ProcMountType, true)() + defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.WindowsHostProcessContainers, true)() + defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.AppArmor, true)() + // The webhook should pass tests even when PodSecurity is disabled. + defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.PodSecurity, false)() + + // Start test API server. + capabilities.SetForTests(capabilities.Capabilities{AllowPrivileged: true}) + testServer := kubeapiservertesting.StartTestServerOrDie(t, kubeapiservertesting.NewDefaultTestServerOptions(), []string{ + "--anonymous-auth=false", + "--allow-privileged=true", + }, framework.SharedEtcd()) + t.Cleanup(testServer.TearDownFn) + + webhookAddr, err := startPodSecurityWebhook(t, testServer) + if err != nil { + t.Fatalf("Failed to start webhook server: %v", err) + } + if err := installWebhook(t, testServer.ClientConfig, webhookAddr); err != nil { + t.Fatalf("Failed to install webhook configuration: %v", err) + } + + opts := podsecuritytest.Options{ + ClientConfig: testServer.ClientConfig, + + // Don't pass in feature-gate info, so all testcases run + + // TODO + ExemptClient: nil, + ExemptNamespaces: []string{}, + ExemptRuntimeClasses: []string{}, + } + podsecuritytest.Run(t, opts) +} + func startPodSecurityServer(t *testing.T) *kubeapiservertesting.TestServer { // ensure the global is set to allow privileged containers capabilities.SetForTests(capabilities.Capabilities{AllowPrivileged: true}) @@ -84,3 +140,148 @@ func startPodSecurityServer(t *testing.T) *kubeapiservertesting.TestServer { t.Cleanup(server.TearDownFn) return server } + +func startPodSecurityWebhook(t *testing.T, testServer *kubeapiservertesting.TestServer) (addr string, err error) { + // listener, port, err := apiserver.CreateListener("tcp", "127.0.0.1:", net.ListenConfig{}) + secureListener, err := net.Listen("tcp", "127.0.0.1:") + if err != nil { + return "", err + } + insecureListener, err := net.Listen("tcp", "127.0.0.1:") + if err != nil { + return "", err + } + cert, err := dynamiccertificates.NewStaticCertKeyContent("localhost", utiltest.LocalhostCert, utiltest.LocalhostKey) + if err != nil { + return "", err + } + defaultConfig, err := podsecurityconfigloader.LoadFromData(nil) // load the default + if err != nil { + return "", err + } + + c := podsecurityserver.Config{ + SecureServing: &apiserver.SecureServingInfo{ + Listener: secureListener, + Cert: cert, + }, + InsecureServing: &apiserver.DeprecatedInsecureServingInfo{ + Listener: insecureListener, + }, + KubeConfig: testServer.ClientConfig, + PodSecurityConfig: defaultConfig, + } + + t.Logf("Starting webhook server...") + webhookServer, err := podsecurityserver.Setup(&c) + if err != nil { + return "", err + } + + ctx, cancel := context.WithCancel(context.Background()) + go webhookServer.Start(ctx) + t.Cleanup(cancel) + + // Wait for server to be ready + t.Logf("Waiting for webhook server /readyz to be ok...") + readyz := (&url.URL{ + Scheme: "http", + Host: c.InsecureServing.Listener.Addr().String(), + Path: "/readyz", + }).String() + if err := wait.PollImmediate(100*time.Millisecond, wait.ForeverTestTimeout, func() (bool, error) { + resp, err := http.Get(readyz) + if err != nil { + return false, err + } + return resp.StatusCode == 200, nil + }); err != nil { + return "", err + } + + return c.SecureServing.Listener.Addr().String(), nil +} + +func installWebhook(t *testing.T, clientConfig *rest.Config, addr string) error { + client, err := kubernetes.NewForConfig(clientConfig) + if err != nil { + return fmt.Errorf("error creating client: %w", err) + } + + fail := admissionregistrationv1.Fail + equivalent := admissionregistrationv1.Equivalent + none := admissionregistrationv1.SideEffectClassNone + endpoint := (&url.URL{ + Scheme: "https", + Host: addr, + }).String() + + // Installing Admission webhook to API server + _, err = client.AdmissionregistrationV1().ValidatingWebhookConfigurations().Create(context.TODO(), &admissionregistrationv1.ValidatingWebhookConfiguration{ + ObjectMeta: metav1.ObjectMeta{Name: "podsecurity-webhook.integration.test"}, + Webhooks: []admissionregistrationv1.ValidatingWebhook{ + { + Name: "podsecurity-webhook.integration.test", + ClientConfig: admissionregistrationv1.WebhookClientConfig{ + URL: &endpoint, + CABundle: utiltest.LocalhostCert, + }, + Rules: []admissionregistrationv1.RuleWithOperations{ + { + Operations: []admissionregistrationv1.OperationType{admissionregistrationv1.Create, admissionregistrationv1.Update}, + Rule: admissionregistrationv1.Rule{ + APIGroups: []string{""}, + APIVersions: []string{"v1"}, + Resources: []string{"namespaces", "pods", "pods/ephemeralcontainers", "replicationcontrollers", "podtemplates"}, + }, + }, + { + Operations: []admissionregistrationv1.OperationType{admissionregistrationv1.Create, admissionregistrationv1.Update}, + Rule: admissionregistrationv1.Rule{ + APIGroups: []string{"apps"}, + APIVersions: []string{"v1"}, + Resources: []string{"replicasets", "deployments", "statefulsets", "daemonsets"}, + }, + }, + { + Operations: []admissionregistrationv1.OperationType{admissionregistrationv1.Create, admissionregistrationv1.Update}, + Rule: admissionregistrationv1.Rule{ + APIGroups: []string{"batch"}, + APIVersions: []string{"v1"}, + Resources: []string{"cronjobs", "jobs"}, + }, + }, + }, + FailurePolicy: &fail, + MatchPolicy: &equivalent, + AdmissionReviewVersions: []string{"v1"}, + SideEffects: &none, + }, + }, + }, metav1.CreateOptions{}) + if err != nil { + return err + } + + t.Logf("Waiting for webhook to be established...") + invalidNamespace := &corev1.Namespace{ + ObjectMeta: metav1.ObjectMeta{ + Name: "validation-fail", + Labels: map[string]string{ + "pod-security.kubernetes.io/enforce": "invalid", + }, + }, + } + // Wait for the invalid namespace to be rejected. + if err := wait.PollImmediate(100*time.Millisecond, wait.ForeverTestTimeout, func() (bool, error) { + _, err := client.CoreV1().Namespaces().Create(context.TODO(), invalidNamespace, metav1.CreateOptions{DryRun: []string{metav1.DryRunAll}}) + if err != nil && apierrors.IsInvalid(err) { + return true, nil // An Invalid error indicates the webhook rejected the invalid level. + } + return false, nil + }); err != nil { + return err + } + + return nil +} diff --git a/vendor/modules.txt b/vendor/modules.txt index dcea9add904..fa0f1c66dac 100644 --- a/vendor/modules.txt +++ b/vendor/modules.txt @@ -2230,6 +2230,8 @@ k8s.io/pod-security-admission/admission/api/scheme k8s.io/pod-security-admission/admission/api/v1alpha1 k8s.io/pod-security-admission/admission/api/validation k8s.io/pod-security-admission/api +k8s.io/pod-security-admission/cmd/webhook/server +k8s.io/pod-security-admission/cmd/webhook/server/options k8s.io/pod-security-admission/metrics k8s.io/pod-security-admission/policy k8s.io/pod-security-admission/test