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ContainerImage.Pinniped
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Merge branch 'main' into oidc_password_grant

This commit is contained in:
Ryan Richard 2021-08-16 15:17:55 -07:00
parent 91c8a3ebed eb2a68fec0
commit 52409f86e8
8 changed files with 347 additions and 138 deletions
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2
go.mod
View File

@ -7,7 +7,7 @@ require (
github.com/coreos/go-oidc/v3 v3.0.0
github.com/creack/pty v1.1.14
github.com/davecgh/go-spew v1.1.1
github.com/go-ldap/ldap/v3 v3.3.0
github.com/go-ldap/ldap/v3 v3.4.1
github.com/go-logr/logr v0.4.0
github.com/go-logr/stdr v0.4.0
github.com/gofrs/flock v0.8.1

4
go.sum
View File

@ -244,8 +244,8 @@ github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2
github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
github.com/go-kit/kit v0.9.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
github.com/go-kit/log v0.1.0/go.mod h1:zbhenjAZHb184qTLMA9ZjW7ThYL0H2mk7Q6pNt4vbaY=
github.com/go-ldap/ldap/v3 v3.3.0 h1:lwx+SJpgOHd8tG6SumBQZXCmNX51zM8B1cfxJ5gv4tQ=
github.com/go-ldap/ldap/v3 v3.3.0/go.mod h1:iYS1MdmrmceOJ1QOTnRXrIs7i3kloqtmGQjRvjKpyMg=
github.com/go-ldap/ldap/v3 v3.4.1 h1:fU/0xli6HY02ocbMuozHAYsaHLcnkLjvho2r5a34BUU=
github.com/go-ldap/ldap/v3 v3.4.1/go.mod h1:iYS1MdmrmceOJ1QOTnRXrIs7i3kloqtmGQjRvjKpyMg=
github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
github.com/go-logfmt/logfmt v0.5.0/go.mod h1:wCYkCAKZfumFQihp8CzCvQ3paCTfi41vtzG1KdI/P7A=

39
internal/controller/apicerts/certs_expirer_test.go
View File

@ -20,9 +20,7 @@ import (
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/types"
kubeinformers "k8s.io/client-go/informers"
"k8s.io/client-go/kubernetes"
kubernetesfake "k8s.io/client-go/kubernetes/fake"
corev1client "k8s.io/client-go/kubernetes/typed/core/v1"
kubetesting "k8s.io/client-go/testing"
"go.pinniped.dev/internal/controllerlib"
@ -253,7 +251,8 @@ func TestExpirerControllerSync(t *testing.T) {
0,
)
trackDeleteClient := &clientWrapper{Interface: kubeAPIClient, opts: &[]metav1.DeleteOptions{}}
opts := &[]metav1.DeleteOptions{}
trackDeleteClient := testutil.NewDeleteOptionsRecorder(kubeAPIClient, opts)
c := NewCertsExpirerController(
namespace,
@ -297,44 +296,16 @@ func TestExpirerControllerSync(t *testing.T) {
require.Equal(t, exActions, acActions)
if test.wantDelete {
require.Len(t, *trackDeleteClient.opts, 1)
require.Len(t, *opts, 1)
require.Equal(t, metav1.DeleteOptions{
Preconditions: &metav1.Preconditions{
UID: &testUID,
ResourceVersion: &testRV,
},
}, (*trackDeleteClient.opts)[0])
}, (*opts)[0])
} else {
require.Len(t, *trackDeleteClient.opts, 0)
require.Len(t, *opts, 0)
}
})
}
}
type clientWrapper struct {
kubernetes.Interface
opts *[]metav1.DeleteOptions
}
func (c *clientWrapper) CoreV1() corev1client.CoreV1Interface {
return &coreWrapper{CoreV1Interface: c.Interface.CoreV1(), opts: c.opts}
}
type coreWrapper struct {
corev1client.CoreV1Interface
opts *[]metav1.DeleteOptions
}
func (c *coreWrapper) Secrets(namespace string) corev1client.SecretInterface {
return &secretsWrapper{SecretInterface: c.CoreV1Interface.Secrets(namespace), opts: c.opts}
}
type secretsWrapper struct {
corev1client.SecretInterface
opts *[]metav1.DeleteOptions
}
func (s *secretsWrapper) Delete(ctx context.Context, name string, opts metav1.DeleteOptions) error {
*s.opts = append(*s.opts, opts)
return s.SecretInterface.Delete(ctx, name, opts)
}

94
internal/controller/impersonatorconfig/impersonator_config.go
View File

@ -183,8 +183,6 @@ func (c *impersonatorConfigController) Sync(syncCtx controllerlib.Context) error
Message: err.Error(),
LastUpdateTime: metav1.NewTime(c.clock.Now()),
}
// The impersonator is not ready, so clear the signer CA from the dynamic provider.
c.clearSignerCA()
}
err = utilerrors.NewAggregate([]error{err, issuerconfig.Update(
@ -281,27 +279,32 @@ func (c *impersonatorConfigController) doSync(syncCtx controllerlib.Context, cre
nameInfo, err := c.findDesiredTLSCertificateName(impersonationSpec)
if err != nil {
// Unexpected error while determining the name that should go into the certs, so clear any existing certs.
c.tlsServingCertDynamicCertProvider.UnsetCertKeyContent()
return nil, err
}
var impersonationCA *certauthority.CA
if c.shouldHaveTLSSecret(impersonationSpec) {
if c.shouldHaveImpersonator(impersonationSpec) {
if impersonationCA, err = c.ensureCASecretIsCreated(ctx); err != nil {
return nil, err
}
if err = c.ensureTLSSecret(ctx, nameInfo, impersonationCA); err != nil {
return nil, err
}
} else if err = c.ensureTLSSecretIsRemoved(ctx); err != nil {
return nil, err
} else {
if err = c.ensureTLSSecretIsRemoved(ctx); err != nil {
return nil, err
}
c.clearTLSSecret()
}
credentialIssuerStrategyResult := c.doSyncResult(nameInfo, impersonationSpec, impersonationCA)
if err = c.loadSignerCA(credentialIssuerStrategyResult.Status); err != nil {
return nil, err
if c.shouldHaveImpersonator(impersonationSpec) {
if err = c.loadSignerCA(); err != nil {
return nil, err
}
} else {
c.clearSignerCA()
}
return credentialIssuerStrategyResult, nil
@ -350,20 +353,16 @@ func (c *impersonatorConfigController) shouldHaveClusterIPService(config *v1alph
return c.shouldHaveImpersonator(config) && config.Service.Type == v1alpha1.ImpersonationProxyServiceTypeClusterIP
}
func (c *impersonatorConfigController) shouldHaveTLSSecret(config *v1alpha1.ImpersonationProxySpec) bool {
return c.shouldHaveImpersonator(config)
}
func (c *impersonatorConfigController) serviceExists(serviceName string) (bool, error) {
_, err := c.servicesInformer.Lister().Services(c.namespace).Get(serviceName)
func (c *impersonatorConfigController) serviceExists(serviceName string) (bool, *v1.Service, error) {
service, err := c.servicesInformer.Lister().Services(c.namespace).Get(serviceName)
notFound := k8serrors.IsNotFound(err)
if notFound {
return false, nil
return false, nil, nil
}
if err != nil {
return false, err
return false, nil, err
}
return true, nil
return true, service, nil
}
func (c *impersonatorConfigController) tlsSecretExists() (bool, *v1.Secret, error) {
@ -477,7 +476,7 @@ func (c *impersonatorConfigController) ensureLoadBalancerIsStarted(ctx context.C
}
func (c *impersonatorConfigController) ensureLoadBalancerIsStopped(ctx context.Context) error {
running, err := c.serviceExists(c.generatedLoadBalancerServiceName)
running, service, err := c.serviceExists(c.generatedLoadBalancerServiceName)
if err != nil {
return err
}
@ -488,7 +487,12 @@ func (c *impersonatorConfigController) ensureLoadBalancerIsStopped(ctx context.C
c.infoLog.Info("deleting load balancer for impersonation proxy",
"service", klog.KRef(c.namespace, c.generatedLoadBalancerServiceName),
)
err = c.k8sClient.CoreV1().Services(c.namespace).Delete(ctx, c.generatedLoadBalancerServiceName, metav1.DeleteOptions{})
err = c.k8sClient.CoreV1().Services(c.namespace).Delete(ctx, c.generatedLoadBalancerServiceName, metav1.DeleteOptions{
Preconditions: &metav1.Preconditions{
UID: &service.UID,
ResourceVersion: &service.ResourceVersion,
},
})
return utilerrors.FilterOut(err, k8serrors.IsNotFound)
}
@ -517,7 +521,7 @@ func (c *impersonatorConfigController) ensureClusterIPServiceIsStarted(ctx conte
}
func (c *impersonatorConfigController) ensureClusterIPServiceIsStopped(ctx context.Context) error {
running, err := c.serviceExists(c.generatedClusterIPServiceName)
running, service, err := c.serviceExists(c.generatedClusterIPServiceName)
if err != nil {
return err
}
@ -528,7 +532,12 @@ func (c *impersonatorConfigController) ensureClusterIPServiceIsStopped(ctx conte
c.infoLog.Info("deleting cluster ip for impersonation proxy",
"service", klog.KRef(c.namespace, c.generatedClusterIPServiceName),
)
err = c.k8sClient.CoreV1().Services(c.namespace).Delete(ctx, c.generatedClusterIPServiceName, metav1.DeleteOptions{})
err = c.k8sClient.CoreV1().Services(c.namespace).Delete(ctx, c.generatedClusterIPServiceName, metav1.DeleteOptions{
Preconditions: &metav1.Preconditions{
UID: &service.UID,
ResourceVersion: &service.ResourceVersion,
},
})
return utilerrors.FilterOut(err, k8serrors.IsNotFound)
}
@ -942,7 +951,6 @@ func (c *impersonatorConfigController) loadTLSCertFromSecret(tlsSecret *v1.Secre
keyPEM := tlsSecret.Data[v1.TLSPrivateKeyKey]
if err := c.tlsServingCertDynamicCertProvider.SetCertKeyContent(certPEM, keyPEM); err != nil {
c.tlsServingCertDynamicCertProvider.UnsetCertKeyContent()
return fmt.Errorf("could not parse TLS cert PEM data from Secret: %w", err)
}
@ -955,39 +963,33 @@ func (c *impersonatorConfigController) loadTLSCertFromSecret(tlsSecret *v1.Secre
}
func (c *impersonatorConfigController) ensureTLSSecretIsRemoved(ctx context.Context) error {
tlsSecretExists, _, err := c.tlsSecretExists()
tlsSecretExists, secret, err := c.tlsSecretExists()
if err != nil {
return err
}
if !tlsSecretExists {
return nil
}
c.infoLog.Info("deleting TLS certificates for impersonation proxy",
c.infoLog.Info("deleting TLS serving certificate for impersonation proxy",
"secret", klog.KRef(c.namespace, c.tlsSecretName),
)
err = c.k8sClient.CoreV1().Secrets(c.namespace).Delete(ctx, c.tlsSecretName, metav1.DeleteOptions{})
notFound := k8serrors.IsNotFound(err)
if notFound {
// its okay if we tried to delete and we got a not found error. This probably means
// another instance of the concierge got here first so there's nothing to delete.
return nil
}
if err != nil {
return err
}
c.tlsServingCertDynamicCertProvider.UnsetCertKeyContent()
return nil
err = c.k8sClient.CoreV1().Secrets(c.namespace).Delete(ctx, c.tlsSecretName, metav1.DeleteOptions{
Preconditions: &metav1.Preconditions{
UID: &secret.UID,
ResourceVersion: &secret.ResourceVersion,
},
})
// it is okay if we tried to delete and we got a not found error. This probably means
// another instance of the concierge got here first so there's nothing to delete.
return utilerrors.FilterOut(err, k8serrors.IsNotFound)
}
func (c *impersonatorConfigController) loadSignerCA(status v1alpha1.StrategyStatus) error {
// Clear it when the impersonator is not completely ready.
if status != v1alpha1.SuccessStrategyStatus {
c.clearSignerCA()
return nil
}
func (c *impersonatorConfigController) clearTLSSecret() {
c.debugLog.Info("clearing TLS serving certificate for impersonation proxy")
c.tlsServingCertDynamicCertProvider.UnsetCertKeyContent()
}
func (c *impersonatorConfigController) loadSignerCA() error {
signingCertSecret, err := c.secretsInformer.Lister().Secrets(c.namespace).Get(c.impersonationSignerSecretName)
if err != nil {
return fmt.Errorf("could not load the impersonator's credential signing secret: %w", err)
@ -997,7 +999,7 @@ func (c *impersonatorConfigController) loadSignerCA(status v1alpha1.StrategyStat
keyPEM := signingCertSecret.Data[apicerts.CACertificatePrivateKeySecretKey]
if err := c.impersonationSigningCertProvider.SetCertKeyContent(certPEM, keyPEM); err != nil {
return fmt.Errorf("could not load the impersonator's credential signing secret: %w", err)
return fmt.Errorf("could not set the impersonator's credential signing secret: %w", err)
}
c.infoLog.Info("loading credential signing certificate for impersonation proxy",

229
internal/controller/impersonatorconfig/impersonator_config_test.go
View File

@ -29,11 +29,14 @@ import (
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/clock"
"k8s.io/apimachinery/pkg/util/intstr"
kubeinformers "k8s.io/client-go/informers"
"k8s.io/client-go/kubernetes"
kubernetesfake "k8s.io/client-go/kubernetes/fake"
coretesting "k8s.io/client-go/testing"
"k8s.io/utils/pointer"
"go.pinniped.dev/generated/latest/apis/concierge/config/v1alpha1"
pinnipedfake "go.pinniped.dev/generated/latest/client/concierge/clientset/versioned/fake"
@ -266,6 +269,8 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
var subject controllerlib.Controller
var kubeAPIClient *kubernetesfake.Clientset
var deleteOptions *[]metav1.DeleteOptions
var deleteOptionsRecorder kubernetes.Interface
var pinnipedAPIClient *pinnipedfake.Clientset
var pinnipedInformerClient *pinnipedfake.Clientset
var pinnipedInformers pinnipedinformers.SharedInformerFactory
@ -275,6 +280,7 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
var cancelContextCancelFunc context.CancelFunc
var syncContext *controllerlib.Context
var frozenNow time.Time
var tlsServingCertDynamicCertProvider dynamiccert.Private
var signingCertProvider dynamiccert.Provider
var signingCACertPEM, signingCAKeyPEM []byte
var signingCASecret *corev1.Secret
@ -418,6 +424,20 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
}
}
var requireTLSSecretProviderHasLoadedCerts = func() {
actualCert, actualKey := tlsServingCertDynamicCertProvider.CurrentCertKeyContent()
r.NotEmpty(actualCert)
r.NotEmpty(actualKey)
_, err := tls.X509KeyPair(actualCert, actualKey)
r.NoError(err)
}
var requireTLSSecretProviderIsEmpty = func() {
actualCert, actualKey := tlsServingCertDynamicCertProvider.CurrentCertKeyContent()
r.Nil(actualCert)
r.Nil(actualKey)
}
var requireTLSServerIsRunning = func(caCrt []byte, addr string, dnsOverrides map[string]string) {
r.Greater(impersonatorFuncWasCalled, 0)
@ -469,6 +489,8 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
r.NoError(resp.Body.Close())
r.NoError(err)
r.Equal(fakeServerResponseBody, string(body))
requireTLSSecretProviderHasLoadedCerts()
}
var requireTLSServerIsRunningWithoutCerts = func() {
@ -490,6 +512,8 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
}, 20*time.Second, 50*time.Millisecond)
r.Error(err)
r.Regexp(expectedErrorRegex, err.Error())
requireTLSSecretProviderIsEmpty()
}
var requireTLSServerIsNoLongerRunning = func() {
@ -508,10 +532,14 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
}, 20*time.Second, 50*time.Millisecond)
r.Error(err)
r.Regexp(expectedErrorRegex, err.Error())
requireTLSSecretProviderIsEmpty()
}
var requireTLSServerWasNeverStarted = func() {
r.Equal(0, impersonatorFuncWasCalled)
requireTLSSecretProviderIsEmpty()
}
// Defer starting the informers until the last possible moment so that the
@ -521,7 +549,7 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
subject = NewImpersonatorConfigController(
installedInNamespace,
credentialIssuerResourceName,
kubeAPIClient,
deleteOptionsRecorder,
pinnipedAPIClient,
pinnipedInformers.Config().V1alpha1().CredentialIssuers(),
kubeInformers.Core().V1().Services(),
@ -538,6 +566,10 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
signingCertProvider,
testLog,
)
controllerlib.TestWrap(t, subject, func(syncer controllerlib.Syncer) controllerlib.Syncer {
tlsServingCertDynamicCertProvider = syncer.(*impersonatorConfigController).tlsServingCertDynamicCertProvider
return syncer
})
// Set this at the last second to support calling subject.Name().
syncContext = &controllerlib.Context{
@ -564,8 +596,10 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
var newSecretWithData = func(resourceName string, data map[string][]byte) *corev1.Secret {
return &corev1.Secret{
ObjectMeta: metav1.ObjectMeta{
Name: resourceName,
Namespace: installedInNamespace,
Name: resourceName,
Namespace: installedInNamespace,
UID: "uid-1234", // simulate KAS filling out UID and RV
ResourceVersion: "rv-5678",
},
Data: data,
}
@ -705,6 +739,14 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
var addObjectFromCreateActionToInformerAndWait = func(action coretesting.Action, informer controllerlib.InformerGetter) {
createdObject, ok := action.(coretesting.CreateAction).GetObject().(kubeclient.Object)
r.True(ok, "should have been able to cast this action's object to kubeclient.Object: %v", action)
if secret, ok := createdObject.(*corev1.Secret); ok && len(secret.ResourceVersion) == 0 {
secret = secret.DeepCopy()
secret.UID = "uid-1234" // simulate KAS filling out UID and RV
secret.ResourceVersion = "rv-5678"
createdObject = secret
}
addObjectToKubeInformerAndWait(createdObject, informer)
}
@ -986,6 +1028,18 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
r.Equal("delete", deleteAction.GetVerb())
r.Equal(tlsSecretName, deleteAction.GetName())
r.Equal("secrets", deleteAction.GetResource().Resource)
// validate that we set delete preconditions correctly
r.NotEmpty(*deleteOptions)
for _, opt := range *deleteOptions {
uid := types.UID("uid-1234")
r.Equal(metav1.DeleteOptions{
Preconditions: &metav1.Preconditions{
UID: &uid,
ResourceVersion: pointer.String("rv-5678"),
},
}, opt)
}
}
var requireCASecretWasCreated = func(action coretesting.Action) []byte {
@ -1064,6 +1118,8 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
kubeinformers.WithNamespace(installedInNamespace),
)
kubeAPIClient = kubernetesfake.NewSimpleClientset()
deleteOptions = &[]metav1.DeleteOptions{}
deleteOptionsRecorder = testutil.NewDeleteOptionsRecorder(kubeAPIClient, deleteOptions)
pinnipedAPIClient = pinnipedfake.NewSimpleClientset()
frozenNow = time.Date(2021, time.March, 2, 7, 42, 0, 0, time.Local)
signingCertProvider = dynamiccert.NewCA(name)
@ -1222,7 +1278,7 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
requireLoadBalancerWasCreated(kubeAPIClient.Actions()[1])
requireCASecretWasCreated(kubeAPIClient.Actions()[2])
requireCredentialIssuer(newPendingStrategyWaitingForLB())
requireSigningCertProviderIsEmpty()
requireSigningCertProviderHasLoadedCerts(signingCACertPEM, signingCAKeyPEM)
})
})
@ -1241,7 +1297,7 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
requireNodesListed(kubeAPIClient.Actions()[0])
requireCASecretWasCreated(kubeAPIClient.Actions()[1])
requireCredentialIssuer(newPendingStrategyWaitingForLB())
requireSigningCertProviderIsEmpty()
requireSigningCertProviderHasLoadedCerts(signingCACertPEM, signingCAKeyPEM)
})
})
@ -1260,7 +1316,7 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
requireNodesListed(kubeAPIClient.Actions()[0])
requireCASecretWasCreated(kubeAPIClient.Actions()[1])
requireCredentialIssuer(newPendingStrategyWaitingForLB())
requireSigningCertProviderIsEmpty()
requireSigningCertProviderHasLoadedCerts(signingCACertPEM, signingCAKeyPEM)
})
})
@ -1451,10 +1507,10 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
errString := "could not find valid IP addresses or hostnames from load balancer some-namespace/some-service-resource-name"
r.EqualError(runControllerSync(), errString)
r.Len(kubeAPIClient.Actions(), 1) // no new actions
requireTLSServerIsRunningWithoutCerts()
r.Len(kubeAPIClient.Actions(), 1) // no new actions
requireTLSServerIsRunning(caCrt, testServerAddr(), nil) // serving certificate is not unloaded in this case
requireCredentialIssuer(newErrorStrategy(errString))
requireSigningCertProviderIsEmpty()
requireSigningCertProviderHasLoadedCerts(signingCACertPEM, signingCAKeyPEM)
})
})
})
@ -1510,7 +1566,7 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
requireCASecretWasCreated(kubeAPIClient.Actions()[2])
requireTLSServerIsRunningWithoutCerts()
requireCredentialIssuer(newPendingStrategyWaitingForLB())
requireSigningCertProviderIsEmpty()
requireSigningCertProviderHasLoadedCerts(signingCACertPEM, signingCAKeyPEM)
})
it("returns an error when the impersonation TLS server fails to start", func() {
@ -1545,7 +1601,7 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
requireCASecretWasCreated(kubeAPIClient.Actions()[1])
requireTLSServerIsRunningWithoutCerts()
requireCredentialIssuer(newPendingStrategyWaitingForLB())
requireSigningCertProviderIsEmpty()
requireSigningCertProviderHasLoadedCerts(signingCACertPEM, signingCAKeyPEM)
})
it("returns an error when the impersonation TLS server fails to start", func() {
@ -1685,7 +1741,7 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
requireCASecretWasCreated(kubeAPIClient.Actions()[2])
requireTLSServerIsRunningWithoutCerts()
requireCredentialIssuer(newPendingStrategyWaitingForLB())
requireSigningCertProviderIsEmpty()
requireSigningCertProviderHasLoadedCerts(signingCACertPEM, signingCAKeyPEM)
})
})
@ -1780,7 +1836,7 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
// Check that the server is running without certs.
requireTLSServerIsRunningWithoutCerts()
requireCredentialIssuer(newPendingStrategyWaitingForLB())
requireSigningCertProviderIsEmpty()
requireSigningCertProviderHasLoadedCerts(signingCACertPEM, signingCAKeyPEM)
})
})
@ -2129,7 +2185,7 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
r.Len(kubeAPIClient.Actions(), 4)
requireTLSSecretWasDeleted(kubeAPIClient.Actions()[3]) // tried to delete cert but failed
requireCredentialIssuer(newErrorStrategy("error on tls secret delete"))
requireSigningCertProviderIsEmpty()
requireSigningCertProviderHasLoadedCerts(signingCACertPEM, signingCAKeyPEM)
})
})
})
@ -2160,7 +2216,7 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
requireLoadBalancerWasCreated(kubeAPIClient.Actions()[1])
requireCASecretWasCreated(kubeAPIClient.Actions()[2])
requireCredentialIssuer(newPendingStrategyWaitingForLB())
requireSigningCertProviderIsEmpty()
requireSigningCertProviderHasLoadedCerts(signingCACertPEM, signingCAKeyPEM) // load when enabled
// Simulate the informer cache's background update from its watch.
addObjectFromCreateActionToInformerAndWait(kubeAPIClient.Actions()[1], kubeInformers.Core().V1().Services())
@ -2178,7 +2234,7 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
r.Len(kubeAPIClient.Actions(), 4)
requireServiceWasDeleted(kubeAPIClient.Actions()[3], loadBalancerServiceName)
requireCredentialIssuer(newManuallyDisabledStrategy())
requireSigningCertProviderIsEmpty()
requireSigningCertProviderIsEmpty() // only unload when disabled
deleteServiceFromTracker(loadBalancerServiceName, kubeInformerClient)
waitForObjectToBeDeletedFromInformer(loadBalancerServiceName, kubeInformers.Core().V1().Services())
@ -2195,7 +2251,7 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
r.Len(kubeAPIClient.Actions(), 5)
requireLoadBalancerWasCreated(kubeAPIClient.Actions()[4])
requireCredentialIssuer(newPendingStrategyWaitingForLB())
requireSigningCertProviderIsEmpty()
requireSigningCertProviderHasLoadedCerts(signingCACertPEM, signingCAKeyPEM) // load again when enabled
})
})
@ -2226,7 +2282,7 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
requireClusterIPWasCreated(kubeAPIClient.Actions()[1])
requireCASecretWasCreated(kubeAPIClient.Actions()[2])
requireCredentialIssuer(newPendingStrategyWaitingForLB())
requireSigningCertProviderIsEmpty()
requireSigningCertProviderHasLoadedCerts(signingCACertPEM, signingCAKeyPEM) // load when enabled
// Simulate the informer cache's background update from its watch.
addObjectFromCreateActionToInformerAndWait(kubeAPIClient.Actions()[1], kubeInformers.Core().V1().Services())
@ -2244,7 +2300,7 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
r.Len(kubeAPIClient.Actions(), 4)
requireServiceWasDeleted(kubeAPIClient.Actions()[3], clusterIPServiceName)
requireCredentialIssuer(newManuallyDisabledStrategy())
requireSigningCertProviderIsEmpty()
requireSigningCertProviderIsEmpty() // only unload when disabled
deleteServiceFromTracker(clusterIPServiceName, kubeInformerClient)
waitForObjectToBeDeletedFromInformer(clusterIPServiceName, kubeInformers.Core().V1().Services())
@ -2264,7 +2320,88 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
r.Len(kubeAPIClient.Actions(), 5)
requireClusterIPWasCreated(kubeAPIClient.Actions()[4])
requireCredentialIssuer(newPendingStrategyWaitingForLB())
requireSigningCertProviderHasLoadedCerts(signingCACertPEM, signingCAKeyPEM) // load again when enabled
})
})
when("service type none with a hostname", func() {
const fakeHostname = "hello.com"
it.Before(func() {
addSecretToTrackers(signingCASecret, kubeInformerClient)
addCredentialIssuerToTrackers(v1alpha1.CredentialIssuer{
ObjectMeta: metav1.ObjectMeta{Name: credentialIssuerResourceName},
Spec: v1alpha1.CredentialIssuerSpec{
ImpersonationProxy: &v1alpha1.ImpersonationProxySpec{
Mode: v1alpha1.ImpersonationProxyModeEnabled,
ExternalEndpoint: fakeHostname,
Service: v1alpha1.ImpersonationProxyServiceSpec{
Type: v1alpha1.ImpersonationProxyServiceTypeNone,
},
},
},
}, pinnipedInformerClient, pinnipedAPIClient)
addNodeWithRoleToTracker("worker", kubeAPIClient)
})
it("starts the impersonator, then shuts it down, then starts it again", func() {
startInformersAndController()
r.NoError(runControllerSync())
r.Len(kubeAPIClient.Actions(), 3)
requireNodesListed(kubeAPIClient.Actions()[0])
ca := requireCASecretWasCreated(kubeAPIClient.Actions()[1])
requireTLSSecretWasCreated(kubeAPIClient.Actions()[2], ca)
requireTLSServerIsRunning(ca, fakeHostname, map[string]string{fakeHostname + httpsPort: testServerAddr()})
requireCredentialIssuer(newSuccessStrategy(fakeHostname, ca))
// load when enabled
requireSigningCertProviderHasLoadedCerts(signingCACertPEM, signingCAKeyPEM)
requireTLSSecretProviderHasLoadedCerts()
// Simulate the informer cache's background update from its watch.
addObjectFromCreateActionToInformerAndWait(kubeAPIClient.Actions()[1], kubeInformers.Core().V1().Secrets())
addObjectFromCreateActionToInformerAndWait(kubeAPIClient.Actions()[2], kubeInformers.Core().V1().Secrets())
// Update the CredentialIssuer.
updateCredentialIssuerInInformerAndWait(credentialIssuerResourceName, v1alpha1.CredentialIssuerSpec{
ImpersonationProxy: &v1alpha1.ImpersonationProxySpec{
Mode: v1alpha1.ImpersonationProxyModeDisabled,
},
}, pinnipedInformers.Config().V1alpha1().CredentialIssuers())
r.NoError(runControllerSync())
requireTLSServerIsNoLongerRunning()
r.Len(kubeAPIClient.Actions(), 4)
requireTLSSecretWasDeleted(kubeAPIClient.Actions()[3])
requireCredentialIssuer(newManuallyDisabledStrategy())
// only unload when disabled
requireSigningCertProviderIsEmpty()
requireTLSSecretProviderIsEmpty()
deleteSecretFromTracker(tlsSecretName, kubeInformerClient)
waitForObjectToBeDeletedFromInformer(tlsSecretName, kubeInformers.Core().V1().Secrets())
// Update the CredentialIssuer again.
updateCredentialIssuerInInformerAndWait(credentialIssuerResourceName, v1alpha1.CredentialIssuerSpec{
ImpersonationProxy: &v1alpha1.ImpersonationProxySpec{
Mode: v1alpha1.ImpersonationProxyModeEnabled,
ExternalEndpoint: fakeHostname,
Service: v1alpha1.ImpersonationProxyServiceSpec{
Type: v1alpha1.ImpersonationProxyServiceTypeNone,
},
},
}, pinnipedInformers.Config().V1alpha1().CredentialIssuers())
r.NoError(runControllerSync())
requireTLSServerIsRunning(ca, fakeHostname, map[string]string{fakeHostname + httpsPort: testServerAddr()})
r.Len(kubeAPIClient.Actions(), 5)
requireTLSSecretWasCreated(kubeAPIClient.Actions()[4], ca)
requireCredentialIssuer(newSuccessStrategy(fakeHostname, ca))
// load again when enabled
requireSigningCertProviderHasLoadedCerts(signingCACertPEM, signingCAKeyPEM)
requireTLSSecretProviderHasLoadedCerts()
})
})
})
@ -2315,9 +2452,9 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
r.Len(kubeAPIClient.Actions(), 5)
requireLoadBalancerWasCreated(kubeAPIClient.Actions()[3])
requireTLSSecretWasDeleted(kubeAPIClient.Actions()[4]) // the Secret was deleted because it contained a cert with the wrong IP
requireTLSServerIsRunningWithoutCerts()
requireTLSServerIsRunning(ca, testServerAddr(), nil) // serving certificate is not unloaded in this case
requireCredentialIssuer(newPendingStrategyWaitingForLB())
requireSigningCertProviderIsEmpty()
requireSigningCertProviderHasLoadedCerts(signingCACertPEM, signingCAKeyPEM)
// Simulate the informer cache's background update from its watch.
addObjectFromCreateActionToInformerAndWait(kubeAPIClient.Actions()[3], kubeInformers.Core().V1().Services())
@ -2326,10 +2463,10 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
// The controller should be waiting for the load balancer's ingress to become available.
r.NoError(runControllerSync())
r.Len(kubeAPIClient.Actions(), 5) // no new actions while it is waiting for the load balancer's ingress
requireTLSServerIsRunningWithoutCerts()
r.Len(kubeAPIClient.Actions(), 5) // no new actions while it is waiting for the load balancer's ingress
requireTLSServerIsRunning(ca, testServerAddr(), nil) // serving certificate is not unloaded in this case
requireCredentialIssuer(newPendingStrategyWaitingForLB())
requireSigningCertProviderIsEmpty()
requireSigningCertProviderHasLoadedCerts(signingCACertPEM, signingCAKeyPEM)
// Update the ingress of the LB in the informer's client and run Sync again.
fakeIP := "127.0.0.123"
@ -2767,7 +2904,7 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
requireCASecretWasCreated(kubeAPIClient.Actions()[2])
requireTLSServerIsRunningWithoutCerts()
requireCredentialIssuer(newPendingStrategyWaitingForLB())
requireSigningCertProviderIsEmpty()
requireSigningCertProviderHasLoadedCerts(signingCACertPEM, signingCAKeyPEM)
// Simulate the informer cache's background update from its watch.
addObjectFromCreateActionToInformerAndWait(kubeAPIClient.Actions()[1], kubeInformers.Core().V1().Services())
@ -2777,7 +2914,7 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
r.Equal(1, impersonatorFuncWasCalled) // wasn't started a second time
requireTLSServerIsRunningWithoutCerts() // still running
requireCredentialIssuer(newPendingStrategyWaitingForLB())
requireSigningCertProviderIsEmpty()
requireSigningCertProviderHasLoadedCerts(signingCACertPEM, signingCAKeyPEM)
r.Len(kubeAPIClient.Actions(), 3) // no new API calls
})
@ -2790,7 +2927,7 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
ca := requireCASecretWasCreated(kubeAPIClient.Actions()[2])
requireTLSServerIsRunningWithoutCerts()
requireCredentialIssuer(newPendingStrategyWaitingForLB())
requireSigningCertProviderIsEmpty()
requireSigningCertProviderHasLoadedCerts(signingCACertPEM, signingCAKeyPEM)
// Simulate the informer cache's background update from its watch.
addObjectFromCreateActionToInformerAndWait(kubeAPIClient.Actions()[1], kubeInformers.Core().V1().Services())
@ -2827,7 +2964,7 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
ca := requireCASecretWasCreated(kubeAPIClient.Actions()[2])
requireTLSServerIsRunningWithoutCerts()
requireCredentialIssuer(newPendingStrategyWaitingForLB())
requireSigningCertProviderIsEmpty()
requireSigningCertProviderHasLoadedCerts(signingCACertPEM, signingCAKeyPEM)
// Simulate the informer cache's background update from its watch.
addObjectFromCreateActionToInformerAndWait(kubeAPIClient.Actions()[1], kubeInformers.Core().V1().Services())
@ -2918,6 +3055,7 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
when("the impersonator start function returned by the impersonatorFunc returns an error immediately", func() {
it.Before(func() {
addSecretToTrackers(signingCASecret, kubeInformerClient)
addNodeWithRoleToTracker("worker", kubeAPIClient)
impersonatorFuncReturnedFuncError = errors.New("some immediate impersonator startup error")
addCredentialIssuerToTrackers(v1alpha1.CredentialIssuer{
@ -2948,7 +3086,7 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
requireLoadBalancerWasCreated(kubeAPIClient.Actions()[1])
requireCASecretWasCreated(kubeAPIClient.Actions()[2])
requireCredentialIssuer(newPendingStrategyWaitingForLB())
requireSigningCertProviderIsEmpty()
requireSigningCertProviderHasLoadedCerts(signingCACertPEM, signingCAKeyPEM)
// Simulate the informer cache's background update from its watch.
addObjectFromCreateActionToInformerAndWait(kubeAPIClient.Actions()[1], kubeInformers.Core().V1().Services())
@ -2966,7 +3104,7 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
// sync should be able to detect the error and return it.
r.EqualError(runControllerSync(), "some immediate impersonator startup error")
requireCredentialIssuer(newErrorStrategy("some immediate impersonator startup error"))
requireSigningCertProviderIsEmpty()
requireSigningCertProviderHasLoadedCerts(signingCACertPEM, signingCAKeyPEM)
// Next time the controller starts the server, the server will start successfully.
impersonatorFuncReturnedFuncError = nil
@ -2976,12 +3114,13 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
r.NoError(runControllerSync())
requireTLSServerIsRunningWithoutCerts()
requireCredentialIssuer(newPendingStrategyWaitingForLB())
requireSigningCertProviderIsEmpty()
requireSigningCertProviderHasLoadedCerts(signingCACertPEM, signingCAKeyPEM)
})
})
when("the impersonator server dies for no apparent reason after running for a while", func() {
it.Before(func() {
addSecretToTrackers(signingCASecret, kubeInformerClient)
addNodeWithRoleToTracker("worker", kubeAPIClient)
addCredentialIssuerToTrackers(v1alpha1.CredentialIssuer{
ObjectMeta: metav1.ObjectMeta{Name: credentialIssuerResourceName},
@ -3004,7 +3143,7 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
requireLoadBalancerWasCreated(kubeAPIClient.Actions()[1])
requireCASecretWasCreated(kubeAPIClient.Actions()[2])
requireCredentialIssuer(newPendingStrategyWaitingForLB())
requireSigningCertProviderIsEmpty()
requireSigningCertProviderHasLoadedCerts(signingCACertPEM, signingCAKeyPEM)
requireTLSServerIsRunningWithoutCerts()
// Simulate the informer cache's background update from its watch.
@ -3026,7 +3165,7 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
// sync should be able to detect the error and return it.
r.EqualError(runControllerSync(), "unexpected shutdown of proxy server")
requireCredentialIssuer(newErrorStrategy("unexpected shutdown of proxy server"))
requireSigningCertProviderIsEmpty()
requireSigningCertProviderHasLoadedCerts(signingCACertPEM, signingCAKeyPEM)
// Next time the controller starts the server, the server should behave as normal.
testHTTPServerInterruptCh = nil
@ -3036,7 +3175,7 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
r.NoError(runControllerSync())
requireTLSServerIsRunningWithoutCerts()
requireCredentialIssuer(newPendingStrategyWaitingForLB())
requireSigningCertProviderIsEmpty()
requireSigningCertProviderHasLoadedCerts(signingCACertPEM, signingCAKeyPEM)
})
})
@ -3471,16 +3610,10 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
},
}, pinnipedInformerClient, pinnipedAPIClient)
addNodeWithRoleToTracker("worker", kubeAPIClient)
tlsSecret := &corev1.Secret{
ObjectMeta: metav1.ObjectMeta{
Name: tlsSecretName,
Namespace: installedInNamespace,
},
Data: map[string][]byte{
// "aGVsbG8gd29ybGQK" is "hello world" base64 encoded which is not a valid cert
corev1.TLSCertKey: []byte("-----BEGIN CERTIFICATE-----\naGVsbG8gd29ybGQK\n-----END CERTIFICATE-----\n"),
},
}
tlsSecret := newSecretWithData(tlsSecretName, map[string][]byte{
// "aGVsbG8gd29ybGQK" is "hello world" base64 encoded which is not a valid cert
corev1.TLSCertKey: []byte("-----BEGIN CERTIFICATE-----\naGVsbG8gd29ybGQK\n-----END CERTIFICATE-----\n"),
})
addSecretToTrackers(tlsSecret, kubeAPIClient, kubeInformerClient)
})
@ -3705,7 +3838,7 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
it("returns the error", func() {
startInformersAndController()
errString := `could not load the impersonator's credential signing secret: TestImpersonatorConfigControllerSync: attempt to set invalid key pair: tls: failed to find any PEM data in certificate input`
errString := `could not set the impersonator's credential signing secret: TestImpersonatorConfigControllerSync: attempt to set invalid key pair: tls: failed to find any PEM data in certificate input`
r.EqualError(runControllerSync(), errString)
requireCredentialIssuer(newErrorStrategy(errString))
requireSigningCertProviderIsEmpty()
@ -3720,7 +3853,7 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
it("returns the error", func() {
startInformersAndController()
errString := `could not load the impersonator's credential signing secret: TestImpersonatorConfigControllerSync: attempt to set invalid key pair: tls: failed to find any PEM data in certificate input`
errString := `could not set the impersonator's credential signing secret: TestImpersonatorConfigControllerSync: attempt to set invalid key pair: tls: failed to find any PEM data in certificate input`
r.EqualError(runControllerSync(), errString)
requireCredentialIssuer(newErrorStrategy(errString))
requireSigningCertProviderIsEmpty()
@ -3756,10 +3889,10 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
addSecretToTrackers(updatedSigner, kubeInformerClient)
waitForObjectToAppearInInformer(updatedSigner, kubeInformers.Core().V1().Secrets())
errString := `could not load the impersonator's credential signing secret: TestImpersonatorConfigControllerSync: attempt to set invalid key pair: tls: failed to find any PEM data in certificate input`
errString := `could not set the impersonator's credential signing secret: TestImpersonatorConfigControllerSync: attempt to set invalid key pair: tls: failed to find any PEM data in certificate input`
r.EqualError(runControllerSync(), errString)
requireCredentialIssuer(newErrorStrategy(errString))
requireSigningCertProviderIsEmpty()
requireSigningCertProviderHasLoadedCerts(signingCACertPEM, signingCAKeyPEM)
})
})
})

1
internal/controller/kubecertagent/kubecertagent_test.go
View File

@ -961,7 +961,6 @@ func runControllerUntilQuiet(ctx context.Context, t *testing.T, controller contr
errorStream := make(chan error)
controllerlib.TestWrap(t, controller, func(syncer controllerlib.Syncer) controllerlib.Syncer {
controller.Name()
return controllerlib.SyncFunc(func(ctx controllerlib.Context) error {
err := syncer.Sync(ctx)
errorStream <- err

47
internal/testutil/delete.go Normal file
View File

@ -0,0 +1,47 @@
// Copyright 2021 the Pinniped contributors. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
package testutil
import (
"context"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
corev1client "k8s.io/client-go/kubernetes/typed/core/v1"
)
func NewDeleteOptionsRecorder(client kubernetes.Interface, opts *[]metav1.DeleteOptions) kubernetes.Interface {
return &clientWrapper{
Interface: client,
opts: opts,
}
}
type clientWrapper struct {
kubernetes.Interface
opts *[]metav1.DeleteOptions
}
func (c *clientWrapper) CoreV1() corev1client.CoreV1Interface {
return &coreWrapper{CoreV1Interface: c.Interface.CoreV1(), opts: c.opts}
}
type coreWrapper struct {
corev1client.CoreV1Interface
opts *[]metav1.DeleteOptions
}
func (c *coreWrapper) Secrets(namespace string) corev1client.SecretInterface {
return &secretsWrapper{SecretInterface: c.CoreV1Interface.Secrets(namespace), opts: c.opts}
}
type secretsWrapper struct {
corev1client.SecretInterface
opts *[]metav1.DeleteOptions
}
func (s *secretsWrapper) Delete(ctx context.Context, name string, opts metav1.DeleteOptions) error {
*s.opts = append(*s.opts, opts)
return s.SecretInterface.Delete(ctx, name, opts)
}

69
test/integration/concierge_impersonation_proxy_test.go
View File

@ -197,7 +197,7 @@ func TestImpersonationProxy(t *testing.T) { //nolint:gocyclo // yeah, it's compl
// We do this to ensure that future tests that use the impersonation proxy (e.g.,
// TestE2EFullIntegration) will start with a known-good state.
if clusterSupportsLoadBalancers {
performImpersonatorDiscovery(ctx, t, env, adminConciergeClient)
performImpersonatorDiscovery(ctx, t, env, adminClient, adminConciergeClient, refreshCredential)
}
})
@ -277,7 +277,7 @@ func TestImpersonationProxy(t *testing.T) { //nolint:gocyclo // yeah, it's compl
// to discover the impersonator's URL and CA certificate. Until it has finished starting, it may not be included
// in the strategies array or it may be included in an error state. It can be in an error state for
// awhile when it is waiting for the load balancer to be assigned an ip/hostname.
impersonationProxyURL, impersonationProxyCACertPEM := performImpersonatorDiscovery(ctx, t, env, adminConciergeClient)
impersonationProxyURL, impersonationProxyCACertPEM := performImpersonatorDiscovery(ctx, t, env, adminClient, adminConciergeClient, refreshCredential)
if !clusterSupportsLoadBalancers {
// In this case, we specified the endpoint in the configmap, so check that it was reported correctly in the CredentialIssuer.
require.Equal(t, "https://"+proxyServiceEndpoint, impersonationProxyURL)
@ -1422,7 +1422,7 @@ func TestImpersonationProxy(t *testing.T) { //nolint:gocyclo // yeah, it's compl
require.Equal(t, &corev1.Pod{}, pod)
})
// - request to whoami (pinniped resource endpoing)
// - request to whoami (pinniped resource endpoint)
// - through the impersonation proxy
// - should succeed 200
// - should respond "you are system:anonymous"
@ -1733,10 +1733,10 @@ func TestImpersonationProxy(t *testing.T) { //nolint:gocyclo // yeah, it's compl
// wait until the credential issuer is updated with the new url
testlib.RequireEventuallyWithoutError(t, func() (bool, error) {
newImpersonationProxyURL, _ := performImpersonatorDiscovery(ctx, t, env, adminConciergeClient)
newImpersonationProxyURL, _ := performImpersonatorDiscoveryURL(ctx, t, env, adminConciergeClient)
return newImpersonationProxyURL == "https://"+clusterIPServiceURL, nil
}, 30*time.Second, 500*time.Millisecond)
newImpersonationProxyURL, newImpersonationProxyCACertPEM := performImpersonatorDiscovery(ctx, t, env, adminConciergeClient)
newImpersonationProxyURL, newImpersonationProxyCACertPEM := performImpersonatorDiscovery(ctx, t, env, adminClient, adminConciergeClient, refreshCredential)
anonymousClient := newAnonymousImpersonationProxyClientWithProxy(t, newImpersonationProxyURL, newImpersonationProxyCACertPEM, nil).PinnipedConcierge
refreshedCredentials := refreshCredentialHelper(t, anonymousClient)
@ -1941,7 +1941,64 @@ func expectedWhoAmIRequestResponse(username string, groups []string, extra map[s
}
}
func performImpersonatorDiscovery(ctx context.Context, t *testing.T, env *testlib.TestEnv, adminConciergeClient pinnipedconciergeclientset.Interface) (string, []byte) {
func performImpersonatorDiscovery(ctx context.Context, t *testing.T, env *testlib.TestEnv,
adminClient kubernetes.Interface, adminConciergeClient pinnipedconciergeclientset.Interface,
refreshCredential func(t *testing.T, impersonationProxyURL string, impersonationProxyCACertPEM []byte) *loginv1alpha1.ClusterCredential) (string, []byte) {
t.Helper()
impersonationProxyURL, impersonationProxyCACertPEM := performImpersonatorDiscoveryURL(ctx, t, env, adminConciergeClient)
if len(env.Proxy) == 0 {
t.Log("no test proxy is available, skipping readiness checks for concierge impersonation proxy pods")
return impersonationProxyURL, impersonationProxyCACertPEM
}
impersonationProxyParsedURL, err := url.Parse(impersonationProxyURL)
require.NoError(t, err)
expectedGroups := make([]string, 0, len(env.TestUser.ExpectedGroups)+1) // make sure we do not mutate env.TestUser.ExpectedGroups
expectedGroups = append(expectedGroups, env.TestUser.ExpectedGroups...)
expectedGroups = append(expectedGroups, "system:authenticated")
// probe each pod directly for readiness since the concierge status is a lie - it just means a single pod is ready
testlib.RequireEventually(t, func(requireEventually *require.Assertions) {
pods, err := adminClient.CoreV1().Pods(env.ConciergeNamespace).List(ctx,
metav1.ListOptions{LabelSelector: "app=" + env.ConciergeAppName + ",!kube-cert-agent.pinniped.dev"}) // TODO replace with deployment.pinniped.dev=concierge
requireEventually.NoError(err)
requireEventually.Len(pods.Items, 2) // has to stay in sync with the defaults in our YAML
for _, pod := range pods.Items {
t.Logf("checking if concierge impersonation proxy pod %q is ready", pod.Name)
requireEventually.NotEmptyf(pod.Status.PodIP, "pod %q does not have an IP", pod.Name)
credentials := refreshCredential(t, impersonationProxyURL, impersonationProxyCACertPEM).DeepCopy()
credentials.Token = "not a valid token" // demonstrates that client certs take precedence over tokens by setting both on the requests
config := newImpersonationProxyConfigWithCredentials(t, credentials, impersonationProxyURL, impersonationProxyCACertPEM, nil)
config = rest.CopyConfig(config)
config.Proxy = kubeconfigProxyFunc(t, env.Proxy) // always use the proxy since we are talking directly to a pod IP
config.Host = "https://" + pod.Status.PodIP + ":8444" // hardcode the internal port - it should not change
config.TLSClientConfig.ServerName = impersonationProxyParsedURL.Hostname() // make SNI hostname TLS verification work even when using IP
whoAmI, err := testlib.NewKubeclient(t, config).PinnipedConcierge.IdentityV1alpha1().WhoAmIRequests().
Create(ctx, &identityv1alpha1.WhoAmIRequest{}, metav1.CreateOptions{})
requireEventually.NoError(err)
requireEventually.Equal(
expectedWhoAmIRequestResponse(
env.TestUser.ExpectedUsername,
expectedGroups,
nil,
),
whoAmI,
)
}
}, 10*time.Minute, 10*time.Second)
return impersonationProxyURL, impersonationProxyCACertPEM
}
func performImpersonatorDiscoveryURL(ctx context.Context, t *testing.T, env *testlib.TestEnv, adminConciergeClient pinnipedconciergeclientset.Interface) (string, []byte) {
t.Helper()
var impersonationProxyURL string