Replace godep with dep

This commit is contained in:
Manuel de Brito Fontes 2017-10-06 17:26:14 -03:00
parent 1e7489927c
commit bf5616c65b
14883 changed files with 3937406 additions and 361781 deletions

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package(default_visibility = ["//visibility:public"])
load(
"@io_bazel_rules_go//go:def.bzl",
"go_library",
"go_test",
)
go_test(
name = "go_default_test",
srcs = [
"admission_test.go",
"certs_test.go",
"rules_test.go",
],
library = ":go_default_library",
deps = [
"//pkg/api:go_default_library",
"//pkg/apis/admission/install:go_default_library",
"//vendor/k8s.io/api/admission/v1alpha1:go_default_library",
"//vendor/k8s.io/api/admissionregistration/v1alpha1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/runtime/schema:go_default_library",
"//vendor/k8s.io/apiserver/pkg/admission:go_default_library",
"//vendor/k8s.io/apiserver/pkg/authentication/user:go_default_library",
],
)
go_library(
name = "go_default_library",
srcs = [
"admission.go",
"doc.go",
"rules.go",
],
deps = [
"//pkg/api:go_default_library",
"//pkg/apis/admission/install:go_default_library",
"//pkg/apis/admission/v1alpha1:go_default_library",
"//pkg/kubeapiserver/admission:go_default_library",
"//pkg/kubeapiserver/admission/configuration:go_default_library",
"//vendor/github.com/golang/glog:go_default_library",
"//vendor/k8s.io/api/admission/v1alpha1:go_default_library",
"//vendor/k8s.io/api/admissionregistration/v1alpha1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/api/errors:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/runtime:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/runtime/schema:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/runtime/serializer:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/util/runtime:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/util/wait:go_default_library",
"//vendor/k8s.io/apiserver/pkg/admission:go_default_library",
"//vendor/k8s.io/client-go/kubernetes:go_default_library",
"//vendor/k8s.io/client-go/rest:go_default_library",
],
)
filegroup(
name = "package-srcs",
srcs = glob(["**"]),
tags = ["automanaged"],
visibility = ["//visibility:private"],
)
filegroup(
name = "all-srcs",
srcs = [":package-srcs"],
tags = ["automanaged"],
)

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/*
Copyright 2017 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 webhook delegates admission checks to dynamically configured webhooks.
package webhook
import (
"context"
"fmt"
"io"
"net"
"net/http"
"sync"
"time"
"github.com/golang/glog"
admissionv1alpha1 "k8s.io/api/admission/v1alpha1"
"k8s.io/api/admissionregistration/v1alpha1"
apierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/runtime/serializer"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/apiserver/pkg/admission"
clientset "k8s.io/client-go/kubernetes"
"k8s.io/client-go/rest"
"k8s.io/kubernetes/pkg/api"
admissionv1alpha1helper "k8s.io/kubernetes/pkg/apis/admission/v1alpha1"
admissioninit "k8s.io/kubernetes/pkg/kubeapiserver/admission"
"k8s.io/kubernetes/pkg/kubeapiserver/admission/configuration"
// install the clientgo admission API for use with api registry
_ "k8s.io/kubernetes/pkg/apis/admission/install"
)
var (
groupVersions = []schema.GroupVersion{
admissionv1alpha1.SchemeGroupVersion,
}
)
type ErrCallingWebhook struct {
WebhookName string
Reason error
}
func (e *ErrCallingWebhook) Error() string {
if e.Reason != nil {
return fmt.Sprintf("failed calling admission webhook %q: %v", e.WebhookName, e.Reason)
}
return fmt.Sprintf("failed calling admission webhook %q; no further details available", e.WebhookName)
}
// Register registers a plugin
func Register(plugins *admission.Plugins) {
plugins.Register("GenericAdmissionWebhook", func(configFile io.Reader) (admission.Interface, error) {
plugin, err := NewGenericAdmissionWebhook()
if err != nil {
return nil, err
}
return plugin, nil
})
}
// WebhookSource can list dynamic webhook plugins.
type WebhookSource interface {
Run(stopCh <-chan struct{})
ExternalAdmissionHooks() (*v1alpha1.ExternalAdmissionHookConfiguration, error)
}
// NewGenericAdmissionWebhook returns a generic admission webhook plugin.
func NewGenericAdmissionWebhook() (*GenericAdmissionWebhook, error) {
return &GenericAdmissionWebhook{
Handler: admission.NewHandler(
admission.Connect,
admission.Create,
admission.Delete,
admission.Update,
),
negotiatedSerializer: serializer.NegotiatedSerializerWrapper(runtime.SerializerInfo{
Serializer: api.Codecs.LegacyCodec(admissionv1alpha1.SchemeGroupVersion),
}),
}, nil
}
// GenericAdmissionWebhook is an implementation of admission.Interface.
type GenericAdmissionWebhook struct {
*admission.Handler
hookSource WebhookSource
serviceResolver admissioninit.ServiceResolver
negotiatedSerializer runtime.NegotiatedSerializer
clientCert []byte
clientKey []byte
proxyTransport *http.Transport
}
var (
_ = admissioninit.WantsServiceResolver(&GenericAdmissionWebhook{})
_ = admissioninit.WantsClientCert(&GenericAdmissionWebhook{})
_ = admissioninit.WantsExternalKubeClientSet(&GenericAdmissionWebhook{})
)
func (a *GenericAdmissionWebhook) SetProxyTransport(pt *http.Transport) {
a.proxyTransport = pt
}
func (a *GenericAdmissionWebhook) SetServiceResolver(sr admissioninit.ServiceResolver) {
a.serviceResolver = sr
}
func (a *GenericAdmissionWebhook) SetClientCert(cert, key []byte) {
a.clientCert = cert
a.clientKey = key
}
func (a *GenericAdmissionWebhook) SetExternalKubeClientSet(client clientset.Interface) {
a.hookSource = configuration.NewExternalAdmissionHookConfigurationManager(client.Admissionregistration().ExternalAdmissionHookConfigurations())
}
func (a *GenericAdmissionWebhook) Validate() error {
if a.hookSource == nil {
return fmt.Errorf("the GenericAdmissionWebhook admission plugin requires a Kubernetes client to be provided")
}
go a.hookSource.Run(wait.NeverStop)
return nil
}
func (a *GenericAdmissionWebhook) loadConfiguration(attr admission.Attributes) (*v1alpha1.ExternalAdmissionHookConfiguration, error) {
hookConfig, err := a.hookSource.ExternalAdmissionHooks()
// if ExternalAdmissionHook configuration is disabled, fail open
if err == configuration.ErrDisabled {
return &v1alpha1.ExternalAdmissionHookConfiguration{}, nil
}
if err != nil {
e := apierrors.NewServerTimeout(attr.GetResource().GroupResource(), string(attr.GetOperation()), 1)
e.ErrStatus.Message = fmt.Sprintf("Unable to refresh the ExternalAdmissionHook configuration: %v", err)
e.ErrStatus.Reason = "LoadingConfiguration"
e.ErrStatus.Details.Causes = append(e.ErrStatus.Details.Causes, metav1.StatusCause{
Type: "ExternalAdmissionHookConfigurationFailure",
Message: "An error has occurred while refreshing the externalAdmissionHook configuration, no resources can be created/updated/deleted/connected until a refresh succeeds.",
})
return nil, e
}
return hookConfig, nil
}
// Admit makes an admission decision based on the request attributes.
func (a *GenericAdmissionWebhook) Admit(attr admission.Attributes) error {
hookConfig, err := a.loadConfiguration(attr)
if err != nil {
return err
}
hooks := hookConfig.ExternalAdmissionHooks
ctx := context.TODO()
errCh := make(chan error, len(hooks))
wg := sync.WaitGroup{}
wg.Add(len(hooks))
for i := range hooks {
go func(hook *v1alpha1.ExternalAdmissionHook) {
defer wg.Done()
if err := a.callHook(ctx, hook, attr); err == nil {
return
} else if callErr, ok := err.(*ErrCallingWebhook); ok {
glog.Warningf("Failed calling webhook %v: %v", hook.Name, callErr)
utilruntime.HandleError(callErr)
// Since we are failing open to begin with, we do not send an error down the channel
} else {
glog.Warningf("rejected by webhook %v %t: %v", hook.Name, err, err)
errCh <- err
}
}(&hooks[i])
}
wg.Wait()
close(errCh)
var errs []error
for e := range errCh {
errs = append(errs, e)
}
if len(errs) == 0 {
return nil
}
if len(errs) > 1 {
for i := 1; i < len(errs); i++ {
// TODO: merge status errors; until then, just return the first one.
utilruntime.HandleError(errs[i])
}
}
return errs[0]
}
func (a *GenericAdmissionWebhook) callHook(ctx context.Context, h *v1alpha1.ExternalAdmissionHook, attr admission.Attributes) error {
matches := false
for _, r := range h.Rules {
m := RuleMatcher{Rule: r, Attr: attr}
if m.Matches() {
matches = true
break
}
}
if !matches {
return nil
}
// Make the webhook request
request := admissionv1alpha1helper.NewAdmissionReview(attr)
client, err := a.hookClient(h)
if err != nil {
return &ErrCallingWebhook{WebhookName: h.Name, Reason: err}
}
if err := client.Post().Context(ctx).Body(&request).Do().Into(&request); err != nil {
return &ErrCallingWebhook{WebhookName: h.Name, Reason: err}
}
if request.Status.Allowed {
return nil
}
if request.Status.Result == nil {
return fmt.Errorf("admission webhook %q denied the request without explanation", h.Name)
}
return &apierrors.StatusError{
ErrStatus: *request.Status.Result,
}
}
func (a *GenericAdmissionWebhook) hookClient(h *v1alpha1.ExternalAdmissionHook) (*rest.RESTClient, error) {
u, err := a.serviceResolver.ResolveEndpoint(h.ClientConfig.Service.Namespace, h.ClientConfig.Service.Name)
if err != nil {
return nil, err
}
var dial func(network, addr string) (net.Conn, error)
if a.proxyTransport != nil && a.proxyTransport.Dial != nil {
dial = a.proxyTransport.Dial
}
// TODO: cache these instead of constructing one each time
cfg := &rest.Config{
Host: u.Host,
APIPath: u.Path,
TLSClientConfig: rest.TLSClientConfig{
ServerName: h.ClientConfig.Service.Name + "." + h.ClientConfig.Service.Namespace + ".svc",
CAData: h.ClientConfig.CABundle,
CertData: a.clientCert,
KeyData: a.clientKey,
},
UserAgent: "kube-apiserver-admission",
Timeout: 30 * time.Second,
ContentConfig: rest.ContentConfig{
NegotiatedSerializer: a.negotiatedSerializer,
},
Dial: dial,
}
return rest.UnversionedRESTClientFor(cfg)
}

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/*
Copyright 2017 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 webhook
import (
"crypto/tls"
"crypto/x509"
"encoding/json"
"fmt"
"net/http"
"net/http/httptest"
"net/url"
"strings"
"testing"
"k8s.io/api/admission/v1alpha1"
registrationv1alpha1 "k8s.io/api/admissionregistration/v1alpha1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apiserver/pkg/admission"
"k8s.io/apiserver/pkg/authentication/user"
"k8s.io/kubernetes/pkg/api"
_ "k8s.io/kubernetes/pkg/apis/admission/install"
)
type fakeHookSource struct {
hooks []registrationv1alpha1.ExternalAdmissionHook
err error
}
func (f *fakeHookSource) ExternalAdmissionHooks() (*registrationv1alpha1.ExternalAdmissionHookConfiguration, error) {
if f.err != nil {
return nil, f.err
}
return &registrationv1alpha1.ExternalAdmissionHookConfiguration{ExternalAdmissionHooks: f.hooks}, nil
}
func (f *fakeHookSource) Run(stopCh <-chan struct{}) {}
type fakeServiceResolver struct {
base url.URL
path string
}
func (f fakeServiceResolver) ResolveEndpoint(namespace, name string) (*url.URL, error) {
if namespace == "failResolve" {
return nil, fmt.Errorf("couldn't resolve service location")
}
u := f.base
u.Path = f.path
return &u, nil
}
// TestAdmit tests that GenericAdmissionWebhook#Admit works as expected
func TestAdmit(t *testing.T) {
// Create the test webhook server
sCert, err := tls.X509KeyPair(serverCert, serverKey)
if err != nil {
t.Fatal(err)
}
rootCAs := x509.NewCertPool()
rootCAs.AppendCertsFromPEM(caCert)
testServer := httptest.NewUnstartedServer(http.HandlerFunc(webhookHandler))
testServer.TLS = &tls.Config{
Certificates: []tls.Certificate{sCert},
ClientCAs: rootCAs,
ClientAuth: tls.RequireAndVerifyClientCert,
}
testServer.StartTLS()
defer testServer.Close()
serverURL, err := url.ParseRequestURI(testServer.URL)
if err != nil {
t.Fatalf("this should never happen? %v", err)
}
wh, err := NewGenericAdmissionWebhook()
if err != nil {
t.Fatal(err)
}
wh.clientCert = clientCert
wh.clientKey = clientKey
// Set up a test object for the call
kind := api.Kind("Pod").WithVersion("v1")
name := "my-pod"
namespace := "webhook-test"
object := api.Pod{
ObjectMeta: metav1.ObjectMeta{
Labels: map[string]string{
"pod.name": name,
},
Name: name,
Namespace: namespace,
},
TypeMeta: metav1.TypeMeta{
APIVersion: "v1",
Kind: "Pod",
},
}
oldObject := api.Pod{
ObjectMeta: metav1.ObjectMeta{Name: name, Namespace: namespace},
}
operation := admission.Update
resource := api.Resource("pods").WithVersion("v1")
subResource := ""
userInfo := user.DefaultInfo{
Name: "webhook-test",
UID: "webhook-test",
}
type test struct {
hookSource fakeHookSource
path string
expectAllow bool
errorContains string
}
ccfg := registrationv1alpha1.AdmissionHookClientConfig{
Service: registrationv1alpha1.ServiceReference{
Name: "webhook-test",
Namespace: "default",
},
CABundle: caCert,
}
matchEverythingRules := []registrationv1alpha1.RuleWithOperations{{
Operations: []registrationv1alpha1.OperationType{registrationv1alpha1.OperationAll},
Rule: registrationv1alpha1.Rule{
APIGroups: []string{"*"},
APIVersions: []string{"*"},
Resources: []string{"*/*"},
},
}}
table := map[string]test{
"no match": {
hookSource: fakeHookSource{
hooks: []registrationv1alpha1.ExternalAdmissionHook{{
Name: "nomatch",
ClientConfig: ccfg,
Rules: []registrationv1alpha1.RuleWithOperations{{
Operations: []registrationv1alpha1.OperationType{registrationv1alpha1.Create},
}},
}},
},
path: "disallow",
expectAllow: true,
},
"match & allow": {
hookSource: fakeHookSource{
hooks: []registrationv1alpha1.ExternalAdmissionHook{{
Name: "allow",
ClientConfig: ccfg,
Rules: matchEverythingRules,
}},
},
path: "allow",
expectAllow: true,
},
"match & disallow": {
hookSource: fakeHookSource{
hooks: []registrationv1alpha1.ExternalAdmissionHook{{
Name: "disallow",
ClientConfig: ccfg,
Rules: matchEverythingRules,
}},
},
path: "disallow",
errorContains: "without explanation",
},
"match & disallow ii": {
hookSource: fakeHookSource{
hooks: []registrationv1alpha1.ExternalAdmissionHook{{
Name: "disallowReason",
ClientConfig: ccfg,
Rules: matchEverythingRules,
}},
},
path: "disallowReason",
errorContains: "you shall not pass",
},
"match & fail (but allow because fail open)": {
hookSource: fakeHookSource{
hooks: []registrationv1alpha1.ExternalAdmissionHook{{
Name: "internalErr A",
ClientConfig: ccfg,
Rules: matchEverythingRules,
}, {
Name: "internalErr B",
ClientConfig: ccfg,
Rules: matchEverythingRules,
}, {
Name: "internalErr C",
ClientConfig: ccfg,
Rules: matchEverythingRules,
}},
},
path: "internalErr",
expectAllow: true,
},
}
for name, tt := range table {
wh.hookSource = &tt.hookSource
wh.serviceResolver = fakeServiceResolver{base: *serverURL, path: tt.path}
err = wh.Admit(admission.NewAttributesRecord(&object, &oldObject, kind, namespace, name, resource, subResource, operation, &userInfo))
if tt.expectAllow != (err == nil) {
t.Errorf("%q: expected allowed=%v, but got err=%v", name, tt.expectAllow, err)
}
// ErrWebhookRejected is not an error for our purposes
if tt.errorContains != "" {
if err == nil || !strings.Contains(err.Error(), tt.errorContains) {
t.Errorf("%q: expected an error saying %q, but got %v", name, tt.errorContains, err)
}
}
}
}
func webhookHandler(w http.ResponseWriter, r *http.Request) {
fmt.Printf("got req: %v\n", r.URL.Path)
switch r.URL.Path {
case "/internalErr":
http.Error(w, "webhook internal server error", http.StatusInternalServerError)
return
case "/invalidReq":
w.WriteHeader(http.StatusSwitchingProtocols)
w.Write([]byte("webhook invalid request"))
return
case "/invalidResp":
w.Header().Set("Content-Type", "application/json")
w.Write([]byte("webhook invalid response"))
case "/disallow":
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(&v1alpha1.AdmissionReview{
Status: v1alpha1.AdmissionReviewStatus{
Allowed: false,
},
})
case "/disallowReason":
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(&v1alpha1.AdmissionReview{
Status: v1alpha1.AdmissionReviewStatus{
Allowed: false,
Result: &metav1.Status{
Message: "you shall not pass",
},
},
})
case "/allow":
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(&v1alpha1.AdmissionReview{
Status: v1alpha1.AdmissionReviewStatus{
Allowed: true,
},
})
default:
http.NotFound(w, r)
}
}

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/*
Copyright 2017 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.
*/
// This file was generated using openssl by the gencerts.sh script
// and holds raw certificates for the webhook tests.
package webhook
var caKey = []byte(`-----BEGIN RSA PRIVATE KEY-----
MIIEowIBAAKCAQEArHdRY9333U04xKotqnwKwJ52ihSGwr5hf4XkoZ46+ZYiaPS1
sEeKkFPRZEZIK22cd/2glyy+AsEURi8yeFut7exu41Y6M5Cfgf64keY2EgRu9DlB
ZyQBTD67TfA64xRbztHmgJpBZHpd00R9o1I05OYso7ALFiqEtHDPvUj3PU17h7c3
xEfq1k7kQq8Tr0EbEQ+GWdE/X0IHW4J4pIjK010KHZSJz4W0wuVgsjDDvV4RGPIR
cXT/nH36gmM+rcxNgtHgNHCSQ7i6ioUMjvg3utp08Vtw0icK9V5MV2MAGjNh5zCi
Uvl+9rTsW5v7tR9Y5puWqBPEWaBpwJwjJlEaAQIDAQABAoIBAC7xMxgJnKOBl0gA
Qfm7VXnkJ8OhnqR3CTaajQZoeQjiEm+a27ElZ9Os3Lt8XbxkU0hdok5DgVxijVAl
HImh+o9d4TjDiYfrf170o+wiSulQh5q10tVt+WR1Vqn6Dy0rp2l9vE2Yrt/YZp1Q
cRn5ECiVdeT/z6Sy4ffzFLgimhj3AUyipDpBUdvqNnC6+OP2T5ZXDGC2LJGU6v4z
zLwjFV1pMRgxLJFoCD9Zy200OkbMYYAhYgaiXMyu5ZU3AjWynPdswANshccAtFt8
wqVICN20HEoOW1PEM+Z1wOUxpQYUOfL3ieJp9WKklHe7vbY3Iuaotg0Gmg74TNbR
8dcJsjkCgYEA4i1TcnUenv7Tdj9ectN6vXNeGrBUvBO4XFHKauBcGnhZQLuS9GRt
cUJ+Y3rRLpf7rKE18Zl0YDgJRycfsNjbI6U74pcXZ/XBySPLGcfVrEqaTZ9o5apV
UOwbKkP1vtEuGLipFVuvZdinVLAs5QFrO2HoqmXqcYQhjVqHtT0NmGcCgYEAwzT2
UI/r14yRH7oaRU/cPmDG0pCfMjaXlKmU/oaqyYypn750NiyZqSWdZf7rhBxOCbPE
tEtTGAPgGkEbb5GmpEDuJRtuj25kT0kIGqU6KjnYR0OO3iIr6mQN12Cv16JiFN5B
VNpNSXkR8Hi2kQimz1W/KzUXoInbzaEji9WF2VcCgYEA0FWt6t0k8pGJmP8v8ZcJ
FR8CjJTlyERl6mvQhvfY/uziUbU13PXwtYXpQ5rquf927IGmXb/bKZIUQb0w/MYT
vNbDvaks/y6pbKwStdGT6VrinSN8DSkD40FImHr3DuhBjLXz0V+dxbN2FpUdFWhk
LNO369VqyVtLSJgeLvxo3HsCgYA12kaZsxq9PGpM9mqI9J8uFkTDkmJY1/a5bI9O
KJi1QbkJ+ODWkTdTEq15lfojWCuvQYjitGUYGvmYRJ3tCaGPbtpEIm095JaHyP4T
W8HQJGUmQ90GKycyYqfu4x2fv4yPdUFQx2jK/DuWu7aiDGD4kg9LPDpob5/T+sBz
s1RZwQKBgDhwksMQXoEbQLdpllqOL45hmXu06/eOnG4tCY3OXlTf8UQXn31aPXdr
75W8VyyyB7vlNj414jI8N5xriGuRt36ihC3vmz+RotcHhCjH4sXnylP7hwg1ZuGh
QE9Df6To9LjpRfZZZ9KdAnyx7P/OZPgXPcK7vd9U3+JQ4E8YW4qG
-----END RSA PRIVATE KEY-----`)
var caCert = []byte(`-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----`)
var badCAKey = []byte(`-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----`)
var badCACert = []byte(`-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----`)
var serverKey = []byte(`-----BEGIN RSA PRIVATE KEY-----
MIIEpAIBAAKCAQEAxjTbuWppAQB140aAxVVo0jdcGw5id4IAa8ji3T/X1+mDIkU8
dA8kfpwgaeurh3Nai0R6LT9ZZ5aJD8a2udhVivY0Q11snw/4G40avL2yPr1VJSKk
lv5/b1knSh53Cvj+7ma6yjn5yBxw8V7v++37yVe6LHP3B0QBvR07n9k507gKHkw/
R924I6JUdBtlqoIPwRJlWRVyJ5RawfDZ+KX2d9rY0WAxW60Xge8gWPMv8XKViyw+
p5+5ct6aHiu6/vtRP5N70lL8HXQjr+x0qaFd6m3/SajjX8AKvdIQzDocTzmjdlRL
Rj8kvLYf8fPazSybqWv0JeXkVxCZPv25SN26BwIDAQABAoIBAGYsqXgTmr2hdyQK
HCedt8NmNlzcNXZV1dG6ZPiZCLOM9MSd3GQXykBaS3tOucXBeVOBoVnh5jy4JT+0
uE1lb/OKp7ZyWqREnynUu4vAXjppb5MNILuVxiuoUdCrk8JcSU6sNm45JMI7px1G
S4AbVkicqKRxw05DiIHsp+fnGyBAPRK5+NxHzvERGH9Fxu6jKngSEfz345hZet07
C93tREsRYAPymjMO3Z/vLzO8MjwvLrL+ko6RR1/+VQjWG/tSgnSEhOpGibgWl4ni
4MvgipRzxkPfRE0qhAjbiQc/epRKDWWTkVfCDruKPSu5SIqD5NmT+MJTws25ZO4c
C3yh08ECgYEA//nPrMwOFft47maJR+y5TS+ym7pemMAztnB+9sLQB1iAF4RP29sK
s6WsQmxAiqb0X8lP6N0uRXBD/Cc30hXFfkfx4iWZl5/GYSswEVNXVx7GlFjh1DdB
dbAK/04+/pJGHWaWJFyoWy8+HRDezJ33dF/y6BVX85eA1b8jdvrBB/UCgYEAxjmm
fo2B1UDVfPb48SbiVV2w8VVo8p6/AOUxUYg10ZkJj5zSB76FC2yfYVPZGCnt2dcZ
N3EPQ4ETVbYgL9N1fgukzWSez38SFuYDajJUxJ7tt4G9W881pZPfi3B1by7xcyaW
4M9gDvsvM2QYPGiz6mH1DwxG2rtY0ktolWkbyIsCgYEAo8xmYSueY+CsbNl+RWEs
3kCEaXRj7hknvjnUdPEKj3jJVsMbGxPakESWq1Z8In1daSH4GYnXfyWsy2EJLk0y
OHGvTchDtavPFQS+2IddH2mZJvqNX/AP2lBRaTfXxa0yYsPvlcsZDGh5tb3C5Gq9
G2H+nRZzVnP/REfwWMVy2jUCgYEApgsKlT2RwQGTEx+J/e71bk6R9kX2KC2jj2ts
+X/gnRbVdHAHWydTKPOvOgbTdjNBItXUMKXLBF+tw4FQyt8VrySvwsEDaoplq7q2
p5FLgnwiYjISXUJgDLembJYiOKUY6b0sa1oqe8IakrDIwGlwM+gkL5u4CmceiuFR
1L374OsCgYAA5KmaCPoDefbvjpQ0EEZ+EFUyT9zVPHvqJa0aYo9KeWGfD/c9gYcQ
WYWmap9Ed7RfMSxSE3oS2JCFIW19Y0HlBiyu+mi3oJ1ErJRmzgNQHmMkzDr1plQ6
Zs423AVUJak0hiqLhF2o/I+pbbtGXB1TBaR6d6cGNP3wTCHtCjNc6w==
-----END RSA PRIVATE KEY-----`)
var serverCert = []byte(`-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----`)
var clientKey = []byte(`-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----`)
var clientCert = []byte(`-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----`)

View file

@ -0,0 +1,18 @@
/*
Copyright 2017 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 webhook checks a webhook for configured operation admission
package webhook // import "k8s.io/kubernetes/plugin/pkg/admission/webhook"

View file

@ -0,0 +1,107 @@
#!/bin/bash
# Copyright 2017 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.
set -e
# gencerts.sh generates the certificates for the generic webhook admission plugin tests.
#
# It is not expected to be run often (there is no go generate rule), and mainly
# exists for documentation purposes.
CN_BASE="generic_webhook_admission_plugin_tests"
cat > server.conf << EOF
[req]
req_extensions = v3_req
distinguished_name = req_distinguished_name
[req_distinguished_name]
[ v3_req ]
basicConstraints = CA:FALSE
keyUsage = nonRepudiation, digitalSignature, keyEncipherment
extendedKeyUsage = clientAuth, serverAuth
subjectAltName = @alt_names
[alt_names]
IP.1 = 127.0.0.1
EOF
cat > client.conf << EOF
[req]
req_extensions = v3_req
distinguished_name = req_distinguished_name
[req_distinguished_name]
[ v3_req ]
basicConstraints = CA:FALSE
keyUsage = nonRepudiation, digitalSignature, keyEncipherment
extendedKeyUsage = clientAuth, serverAuth
subjectAltName = @alt_names
[alt_names]
IP.1 = 127.0.0.1
EOF
# Create a certificate authority
openssl genrsa -out caKey.pem 2048
openssl req -x509 -new -nodes -key caKey.pem -days 100000 -out caCert.pem -subj "/CN=${CN_BASE}_ca"
# Create a second certificate authority
openssl genrsa -out badCAKey.pem 2048
openssl req -x509 -new -nodes -key badCAKey.pem -days 100000 -out badCACert.pem -subj "/CN=${CN_BASE}_ca"
# Create a server certiticate
openssl genrsa -out serverKey.pem 2048
openssl req -new -key serverKey.pem -out server.csr -subj "/CN=webhook-test.default.svc" -config server.conf
openssl x509 -req -in server.csr -CA caCert.pem -CAkey caKey.pem -CAcreateserial -out serverCert.pem -days 100000 -extensions v3_req -extfile server.conf
# Create a client certiticate
openssl genrsa -out clientKey.pem 2048
openssl req -new -key clientKey.pem -out client.csr -subj "/CN=${CN_BASE}_client" -config client.conf
openssl x509 -req -in client.csr -CA caCert.pem -CAkey caKey.pem -CAcreateserial -out clientCert.pem -days 100000 -extensions v3_req -extfile client.conf
outfile=certs_test.go
cat > $outfile << EOF
/*
Copyright 2017 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.
*/
EOF
echo "// This file was generated using openssl by the gencerts.sh script" >> $outfile
echo "// and holds raw certificates for the webhook tests." >> $outfile
echo "" >> $outfile
echo "package webhook" >> $outfile
for file in caKey caCert badCAKey badCACert serverKey serverCert clientKey clientCert; do
data=$(cat ${file}.pem)
echo "" >> $outfile
echo "var $file = []byte(\`$data\`)" >> $outfile
done
# Clean up after we're done.
rm *.pem
rm *.csr
rm *.srl
rm *.conf

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@ -0,0 +1,94 @@
/*
Copyright 2017 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 webhook checks a webhook for configured operation admission
package webhook
import (
"strings"
"k8s.io/api/admissionregistration/v1alpha1"
"k8s.io/apiserver/pkg/admission"
)
type RuleMatcher struct {
Rule v1alpha1.RuleWithOperations
Attr admission.Attributes
}
func (r *RuleMatcher) Matches() bool {
return r.operation() &&
r.group() &&
r.version() &&
r.resource()
}
func exactOrWildcard(items []string, requested string) bool {
for _, item := range items {
if item == "*" {
return true
}
if item == requested {
return true
}
}
return false
}
func (r *RuleMatcher) group() bool {
return exactOrWildcard(r.Rule.APIGroups, r.Attr.GetResource().Group)
}
func (r *RuleMatcher) version() bool {
return exactOrWildcard(r.Rule.APIVersions, r.Attr.GetResource().Version)
}
func (r *RuleMatcher) operation() bool {
attrOp := r.Attr.GetOperation()
for _, op := range r.Rule.Operations {
if op == v1alpha1.OperationAll {
return true
}
// The constants are the same such that this is a valid cast (and this
// is tested).
if op == v1alpha1.OperationType(attrOp) {
return true
}
}
return false
}
func splitResource(resSub string) (res, sub string) {
parts := strings.SplitN(resSub, "/", 2)
if len(parts) == 2 {
return parts[0], parts[1]
}
return parts[0], ""
}
func (r *RuleMatcher) resource() bool {
opRes, opSub := r.Attr.GetResource().Resource, r.Attr.GetSubresource()
for _, res := range r.Rule.Resources {
res, sub := splitResource(res)
resMatch := res == "*" || res == opRes
subMatch := sub == "*" || sub == opSub
if resMatch && subMatch {
return true
}
}
return false
}

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@ -0,0 +1,300 @@
/*
Copyright 2017 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 webhook
import (
"testing"
adreg "k8s.io/api/admissionregistration/v1alpha1"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apiserver/pkg/admission"
)
type ruleTest struct {
rule adreg.RuleWithOperations
match []admission.Attributes
noMatch []admission.Attributes
}
type tests map[string]ruleTest
func a(group, version, resource, subresource, name string, operation admission.Operation) admission.Attributes {
return admission.NewAttributesRecord(
nil, nil,
schema.GroupVersionKind{Group: group, Version: version, Kind: "k" + resource},
"ns", name,
schema.GroupVersionResource{Group: group, Version: version, Resource: resource}, subresource,
operation,
nil,
)
}
func attrList(a ...admission.Attributes) []admission.Attributes {
return a
}
func TestGroup(t *testing.T) {
table := tests{
"wildcard": {
rule: adreg.RuleWithOperations{
Rule: adreg.Rule{
APIGroups: []string{"*"},
},
},
match: attrList(
a("g", "v", "r", "", "name", admission.Create),
),
},
"exact": {
rule: adreg.RuleWithOperations{
Rule: adreg.Rule{
APIGroups: []string{"g1", "g2"},
},
},
match: attrList(
a("g1", "v", "r", "", "name", admission.Create),
a("g2", "v2", "r3", "", "name", admission.Create),
),
noMatch: attrList(
a("g3", "v", "r", "", "name", admission.Create),
a("g4", "v", "r", "", "name", admission.Create),
),
},
}
for name, tt := range table {
for _, m := range tt.match {
r := RuleMatcher{tt.rule, m}
if !r.group() {
t.Errorf("%v: expected match %#v", name, m)
}
}
for _, m := range tt.noMatch {
r := RuleMatcher{tt.rule, m}
if r.group() {
t.Errorf("%v: expected no match %#v", name, m)
}
}
}
}
func TestVersion(t *testing.T) {
table := tests{
"wildcard": {
rule: adreg.RuleWithOperations{
Rule: adreg.Rule{
APIVersions: []string{"*"},
},
},
match: attrList(
a("g", "v", "r", "", "name", admission.Create),
),
},
"exact": {
rule: adreg.RuleWithOperations{
Rule: adreg.Rule{
APIVersions: []string{"v1", "v2"},
},
},
match: attrList(
a("g1", "v1", "r", "", "name", admission.Create),
a("g2", "v2", "r", "", "name", admission.Create),
),
noMatch: attrList(
a("g1", "v3", "r", "", "name", admission.Create),
a("g2", "v4", "r", "", "name", admission.Create),
),
},
}
for name, tt := range table {
for _, m := range tt.match {
r := RuleMatcher{tt.rule, m}
if !r.version() {
t.Errorf("%v: expected match %#v", name, m)
}
}
for _, m := range tt.noMatch {
r := RuleMatcher{tt.rule, m}
if r.version() {
t.Errorf("%v: expected no match %#v", name, m)
}
}
}
}
func TestOperation(t *testing.T) {
table := tests{
"wildcard": {
rule: adreg.RuleWithOperations{Operations: []adreg.OperationType{adreg.OperationAll}},
match: attrList(
a("g", "v", "r", "", "name", admission.Create),
a("g", "v", "r", "", "name", admission.Update),
a("g", "v", "r", "", "name", admission.Delete),
a("g", "v", "r", "", "name", admission.Connect),
),
},
"create": {
rule: adreg.RuleWithOperations{Operations: []adreg.OperationType{adreg.Create}},
match: attrList(
a("g", "v", "r", "", "name", admission.Create),
),
noMatch: attrList(
a("g", "v", "r", "", "name", admission.Update),
a("g", "v", "r", "", "name", admission.Delete),
a("g", "v", "r", "", "name", admission.Connect),
),
},
"update": {
rule: adreg.RuleWithOperations{Operations: []adreg.OperationType{adreg.Update}},
match: attrList(
a("g", "v", "r", "", "name", admission.Update),
),
noMatch: attrList(
a("g", "v", "r", "", "name", admission.Create),
a("g", "v", "r", "", "name", admission.Delete),
a("g", "v", "r", "", "name", admission.Connect),
),
},
"delete": {
rule: adreg.RuleWithOperations{Operations: []adreg.OperationType{adreg.Delete}},
match: attrList(
a("g", "v", "r", "", "name", admission.Delete),
),
noMatch: attrList(
a("g", "v", "r", "", "name", admission.Create),
a("g", "v", "r", "", "name", admission.Update),
a("g", "v", "r", "", "name", admission.Connect),
),
},
"connect": {
rule: adreg.RuleWithOperations{Operations: []adreg.OperationType{adreg.Connect}},
match: attrList(
a("g", "v", "r", "", "name", admission.Connect),
),
noMatch: attrList(
a("g", "v", "r", "", "name", admission.Create),
a("g", "v", "r", "", "name", admission.Update),
a("g", "v", "r", "", "name", admission.Delete),
),
},
"multiple": {
rule: adreg.RuleWithOperations{Operations: []adreg.OperationType{adreg.Update, adreg.Delete}},
match: attrList(
a("g", "v", "r", "", "name", admission.Update),
a("g", "v", "r", "", "name", admission.Delete),
),
noMatch: attrList(
a("g", "v", "r", "", "name", admission.Create),
a("g", "v", "r", "", "name", admission.Connect),
),
},
}
for name, tt := range table {
for _, m := range tt.match {
r := RuleMatcher{tt.rule, m}
if !r.operation() {
t.Errorf("%v: expected match %#v", name, m)
}
}
for _, m := range tt.noMatch {
r := RuleMatcher{tt.rule, m}
if r.operation() {
t.Errorf("%v: expected no match %#v", name, m)
}
}
}
}
func TestResource(t *testing.T) {
table := tests{
"no subresources": {
rule: adreg.RuleWithOperations{
Rule: adreg.Rule{
Resources: []string{"*"},
},
},
match: attrList(
a("g", "v", "r", "", "name", admission.Create),
a("2", "v", "r2", "", "name", admission.Create),
),
noMatch: attrList(
a("g", "v", "r", "exec", "name", admission.Create),
a("2", "v", "r2", "proxy", "name", admission.Create),
),
},
"r & subresources": {
rule: adreg.RuleWithOperations{
Rule: adreg.Rule{
Resources: []string{"r/*"},
},
},
match: attrList(
a("g", "v", "r", "", "name", admission.Create),
a("g", "v", "r", "exec", "name", admission.Create),
),
noMatch: attrList(
a("2", "v", "r2", "", "name", admission.Create),
a("2", "v", "r2", "proxy", "name", admission.Create),
),
},
"r & subresources or r2": {
rule: adreg.RuleWithOperations{
Rule: adreg.Rule{
Resources: []string{"r/*", "r2"},
},
},
match: attrList(
a("g", "v", "r", "", "name", admission.Create),
a("g", "v", "r", "exec", "name", admission.Create),
a("2", "v", "r2", "", "name", admission.Create),
),
noMatch: attrList(
a("2", "v", "r2", "proxy", "name", admission.Create),
),
},
"proxy or exec": {
rule: adreg.RuleWithOperations{
Rule: adreg.Rule{
Resources: []string{"*/proxy", "*/exec"},
},
},
match: attrList(
a("g", "v", "r", "exec", "name", admission.Create),
a("2", "v", "r2", "proxy", "name", admission.Create),
a("2", "v", "r3", "proxy", "name", admission.Create),
),
noMatch: attrList(
a("g", "v", "r", "", "name", admission.Create),
a("2", "v", "r2", "", "name", admission.Create),
a("2", "v", "r4", "scale", "name", admission.Create),
),
},
}
for name, tt := range table {
for _, m := range tt.match {
r := RuleMatcher{tt.rule, m}
if !r.resource() {
t.Errorf("%v: expected match %#v", name, m)
}
}
for _, m := range tt.noMatch {
r := RuleMatcher{tt.rule, m}
if r.resource() {
t.Errorf("%v: expected no match %#v", name, m)
}
}
}
}