ContainerImage.Pinniped/test/integration/supervisor_discovery_test.go

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// Copyright 2020-2021 the Pinniped contributors. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
package integration
import (
"context"
"crypto/tls"
"crypto/x509"
"encoding/json"
"fmt"
"io/ioutil"
"net"
"net/http"
"net/url"
"strings"
"testing"
"time"
"github.com/stretchr/testify/require"
corev1 "k8s.io/api/core/v1"
k8serrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/util/retry"
"go.pinniped.dev/generated/latest/apis/supervisor/config/v1alpha1"
pinnipedclientset "go.pinniped.dev/generated/latest/client/supervisor/clientset/versioned"
"go.pinniped.dev/internal/certauthority"
"go.pinniped.dev/internal/here"
"go.pinniped.dev/test/testlib"
)
// This test is intended to exercise the supervisor's HTTP port 8080. It can either access it directly via
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// the env.SupervisorHTTPAddress setting, or it can access it indirectly through a TLS-enabled Ingress which
// uses the supervisor's port 8080 as its backend via the env.SupervisorHTTPSIngressAddress and
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// env.SupervisorHTTPSIngressCABundle settings, or it can exercise it both ways when all of those
// env settings are present.
//
// Testing talking to the supervisor's port 8443 where the supervisor is terminating TLS itself is
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// handled by the others tests in this file.
func TestSupervisorOIDCDiscovery(t *testing.T) {
env := testlib.IntegrationEnv(t)
client := testlib.NewSupervisorClientset(t)
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ns := env.SupervisorNamespace
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Minute)
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defer cancel()
temporarilyRemoveAllFederationDomainsAndDefaultTLSCertSecret(ctx, t, ns, defaultTLSCertSecretName(env), client, testlib.NewKubernetesClientset(t))
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tests := []struct {
Scheme string
Address string
CABundle string
}{
{Scheme: "http", Address: env.SupervisorHTTPAddress},
{Scheme: "https", Address: env.SupervisorHTTPSIngressAddress, CABundle: env.SupervisorHTTPSIngressCABundle},
}
for _, test := range tests {
scheme := test.Scheme
addr := test.Address
caBundle := test.CABundle
if addr == "" {
// Both cases are not required, so when one is empty skip it.
continue
}
// Test that there is no default discovery endpoint available when there are no FederationDomains.
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requireDiscoveryEndpointsAreNotFound(t, scheme, addr, caBundle, fmt.Sprintf("%s://%s", scheme, addr))
// Define several unique issuer strings. Always use https in the issuer name even when we are accessing the http port.
issuer1 := fmt.Sprintf("https://%s/nested/issuer1", addr)
issuer2 := fmt.Sprintf("https://%s/nested/issuer2", addr)
issuer3 := fmt.Sprintf("https://%s/issuer3", addr)
issuer4 := fmt.Sprintf("https://%s/issuer4", addr)
issuer5 := fmt.Sprintf("https://%s/issuer5", addr)
issuer6 := fmt.Sprintf("https://%s/issuer6", addr)
badIssuer := fmt.Sprintf("https://%s/badIssuer?cannot-use=queries", addr)
// When FederationDomain are created in sequence they each cause a discovery endpoint to appear only for as long as the FederationDomain exists.
config1, jwks1 := requireCreatingFederationDomainCausesDiscoveryEndpointsToAppear(ctx, t, scheme, addr, caBundle, issuer1, client)
requireDeletingFederationDomainCausesDiscoveryEndpointsToDisappear(t, config1, client, ns, scheme, addr, caBundle, issuer1)
config2, jwks2 := requireCreatingFederationDomainCausesDiscoveryEndpointsToAppear(ctx, t, scheme, addr, caBundle, issuer2, client)
requireDeletingFederationDomainCausesDiscoveryEndpointsToDisappear(t, config2, client, ns, scheme, addr, caBundle, issuer2)
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// The auto-created JWK's were different from each other.
require.NotEqual(t, jwks1.Keys[0]["x"], jwks2.Keys[0]["x"])
require.NotEqual(t, jwks1.Keys[0]["y"], jwks2.Keys[0]["y"])
// When multiple FederationDomains exist at the same time they each serve a unique discovery endpoint.
config3, jwks3 := requireCreatingFederationDomainCausesDiscoveryEndpointsToAppear(ctx, t, scheme, addr, caBundle, issuer3, client)
config4, jwks4 := requireCreatingFederationDomainCausesDiscoveryEndpointsToAppear(ctx, t, scheme, addr, caBundle, issuer4, client)
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requireDiscoveryEndpointsAreWorking(t, scheme, addr, caBundle, issuer3, nil) // discovery for issuer3 is still working after issuer4 started working
// The auto-created JWK's were different from each other.
require.NotEqual(t, jwks3.Keys[0]["x"], jwks4.Keys[0]["x"])
require.NotEqual(t, jwks3.Keys[0]["y"], jwks4.Keys[0]["y"])
// Editing a provider to change the issuer name updates the endpoints that are being served.
updatedConfig4 := editFederationDomainIssuerName(t, config4, client, ns, issuer5)
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requireDiscoveryEndpointsAreNotFound(t, scheme, addr, caBundle, issuer4)
jwks5 := requireDiscoveryEndpointsAreWorking(t, scheme, addr, caBundle, issuer5, nil)
// The JWK did not change when the issuer name was updated.
require.Equal(t, jwks4.Keys[0], jwks5.Keys[0])
// When they are deleted they stop serving discovery endpoints.
requireDeletingFederationDomainCausesDiscoveryEndpointsToDisappear(t, config3, client, ns, scheme, addr, caBundle, issuer3)
requireDeletingFederationDomainCausesDiscoveryEndpointsToDisappear(t, updatedConfig4, client, ns, scheme, addr, caBundle, issuer5)
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// When the same issuer is added twice, both issuers are marked as duplicates, and neither provider is serving.
config6Duplicate1, _ := requireCreatingFederationDomainCausesDiscoveryEndpointsToAppear(ctx, t, scheme, addr, caBundle, issuer6, client)
config6Duplicate2 := testlib.CreateTestFederationDomain(ctx, t, issuer6, "", "")
requireStatus(t, client, ns, config6Duplicate1.Name, v1alpha1.DuplicateFederationDomainStatusCondition)
requireStatus(t, client, ns, config6Duplicate2.Name, v1alpha1.DuplicateFederationDomainStatusCondition)
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requireDiscoveryEndpointsAreNotFound(t, scheme, addr, caBundle, issuer6)
// If we delete the first duplicate issuer, the second duplicate issuer starts serving.
requireDelete(t, client, ns, config6Duplicate1.Name)
requireWellKnownEndpointIsWorking(t, scheme, addr, caBundle, issuer6, nil)
requireStatus(t, client, ns, config6Duplicate2.Name, v1alpha1.SuccessFederationDomainStatusCondition)
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// When we finally delete all issuers, the endpoint should be down.
requireDeletingFederationDomainCausesDiscoveryEndpointsToDisappear(t, config6Duplicate2, client, ns, scheme, addr, caBundle, issuer6)
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// Only test this for http endpoints because https endpoints are going through an Ingress,
// and while it is possible to configure an Ingress to serve multiple hostnames with matching TLS certs
// for each hostname, that it not something that we felt like doing on all of our clusters that we
// run tests against. :)
if scheme == "http" {
// "Host" headers can be used to send requests to discovery endpoints when the public address is different from the issuer name.
issuer7 := "https://some-issuer-host-and-port-that-doesnt-match-public-supervisor-address.com:2684/issuer7"
config7, _ := requireCreatingFederationDomainCausesDiscoveryEndpointsToAppear(ctx, t, scheme, addr, caBundle, issuer7, client)
requireDeletingFederationDomainCausesDiscoveryEndpointsToDisappear(t, config7, client, ns, scheme, addr, caBundle, issuer7)
}
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// When we create a provider with an invalid issuer, the status is set to invalid.
badConfig := testlib.CreateTestFederationDomain(ctx, t, badIssuer, "", "")
requireStatus(t, client, ns, badConfig.Name, v1alpha1.InvalidFederationDomainStatusCondition)
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requireDiscoveryEndpointsAreNotFound(t, scheme, addr, caBundle, badIssuer)
requireDeletingFederationDomainCausesDiscoveryEndpointsToDisappear(t, badConfig, client, ns, scheme, addr, caBundle, badIssuer)
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}
}
func TestSupervisorTLSTerminationWithSNI(t *testing.T) {
env := testlib.IntegrationEnv(t)
pinnipedClient := testlib.NewSupervisorClientset(t)
kubeClient := testlib.NewKubernetesClientset(t)
ns := env.SupervisorNamespace
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Minute)
defer cancel()
temporarilyRemoveAllFederationDomainsAndDefaultTLSCertSecret(ctx, t, ns, defaultTLSCertSecretName(env), pinnipedClient, kubeClient)
scheme := "https"
address := env.SupervisorHTTPSAddress // hostname and port for direct access to the supervisor's port 8443
hostname1 := strings.Split(address, ":")[0]
issuer1 := fmt.Sprintf("%s://%s/issuer1", scheme, address)
certSecretName1 := "integration-test-cert-1"
// Create an FederationDomain with a spec.tls.secretName.
federationDomain1 := testlib.CreateTestFederationDomain(ctx, t, issuer1, certSecretName1, "")
requireStatus(t, pinnipedClient, federationDomain1.Namespace, federationDomain1.Name, v1alpha1.SuccessFederationDomainStatusCondition)
// The spec.tls.secretName Secret does not exist, so the endpoints should fail with TLS errors.
requireEndpointHasTLSErrorBecauseCertificatesAreNotReady(t, issuer1)
// Create the Secret.
ca1 := createTLSCertificateSecret(ctx, t, ns, hostname1, nil, certSecretName1, kubeClient)
// Now that the Secret exists, we should be able to access the endpoints by hostname using the CA.
_ = requireDiscoveryEndpointsAreWorking(t, scheme, address, string(ca1.Bundle()), issuer1, nil)
// Update the config to with a new .spec.tls.secretName.
certSecretName1update := "integration-test-cert-1-update"
require.NoError(t, retry.RetryOnConflict(retry.DefaultRetry, func() error {
federationDomain1LatestVersion, err := pinnipedClient.ConfigV1alpha1().FederationDomains(ns).Get(ctx, federationDomain1.Name, metav1.GetOptions{})
if err != nil {
return err
}
federationDomain1LatestVersion.Spec.TLS = &v1alpha1.FederationDomainTLSSpec{SecretName: certSecretName1update}
_, err = pinnipedClient.ConfigV1alpha1().FederationDomains(ns).Update(ctx, federationDomain1LatestVersion, metav1.UpdateOptions{})
return err
}))
// The the endpoints should fail with TLS errors again.
requireEndpointHasTLSErrorBecauseCertificatesAreNotReady(t, issuer1)
// Create a Secret at the updated name.
ca1update := createTLSCertificateSecret(ctx, t, ns, hostname1, nil, certSecretName1update, kubeClient)
// Now that the Secret exists at the new name, we should be able to access the endpoints by hostname using the CA.
_ = requireDiscoveryEndpointsAreWorking(t, scheme, address, string(ca1update.Bundle()), issuer1, nil)
// To test SNI virtual hosting, send requests to discovery endpoints when the public address is different from the issuer name.
hostname2 := "some-issuer-host-and-port-that-doesnt-match-public-supervisor-address.com"
hostnamePort2 := "2684"
issuer2 := fmt.Sprintf("%s://%s:%s/issuer2", scheme, hostname2, hostnamePort2)
certSecretName2 := "integration-test-cert-2"
// Create an FederationDomain with a spec.tls.secretName.
federationDomain2 := testlib.CreateTestFederationDomain(ctx, t, issuer2, certSecretName2, "")
requireStatus(t, pinnipedClient, federationDomain2.Namespace, federationDomain2.Name, v1alpha1.SuccessFederationDomainStatusCondition)
// Create the Secret.
ca2 := createTLSCertificateSecret(ctx, t, ns, hostname2, nil, certSecretName2, kubeClient)
// Now that the Secret exists, we should be able to access the endpoints by hostname using the CA.
_ = requireDiscoveryEndpointsAreWorking(t, scheme, hostname2+":"+hostnamePort2, string(ca2.Bundle()), issuer2, map[string]string{
hostname2 + ":" + hostnamePort2: address,
})
}
func TestSupervisorTLSTerminationWithDefaultCerts(t *testing.T) {
env := testlib.IntegrationEnv(t)
pinnipedClient := testlib.NewSupervisorClientset(t)
kubeClient := testlib.NewKubernetesClientset(t)
ns := env.SupervisorNamespace
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Minute)
defer cancel()
temporarilyRemoveAllFederationDomainsAndDefaultTLSCertSecret(ctx, t, ns, defaultTLSCertSecretName(env), pinnipedClient, kubeClient)
scheme := "https"
address := env.SupervisorHTTPSAddress // hostname and port for direct access to the supervisor's port 8443
hostAndPortSegments := strings.Split(address, ":")
// hostnames are case-insensitive, so test mis-matching the case of the issuer URL and the request URL
hostname := strings.ToLower(hostAndPortSegments[0])
port := "8443"
if len(hostAndPortSegments) > 1 {
port = hostAndPortSegments[1]
}
ips, err := testlib.LookupIP(ctx, hostname)
require.NoError(t, err)
require.NotEmpty(t, ips)
ipWithPort := ips[0].String() + ":" + port
issuerUsingIPAddress := fmt.Sprintf("%s://%s/issuer1", scheme, ipWithPort)
issuerUsingHostname := fmt.Sprintf("%s://%s/issuer1", scheme, address)
// Create an FederationDomain without a spec.tls.secretName.
federationDomain1 := testlib.CreateTestFederationDomain(ctx, t, issuerUsingIPAddress, "", "")
requireStatus(t, pinnipedClient, federationDomain1.Namespace, federationDomain1.Name, v1alpha1.SuccessFederationDomainStatusCondition)
// There is no default TLS cert and the spec.tls.secretName was not set, so the endpoints should fail with TLS errors.
requireEndpointHasTLSErrorBecauseCertificatesAreNotReady(t, issuerUsingIPAddress)
// Create a Secret at the special name which represents the default TLS cert.
defaultCA := createTLSCertificateSecret(ctx, t, ns, "cert-hostname-doesnt-matter", []net.IP{ips[0]}, defaultTLSCertSecretName(env), kubeClient)
// Now that the Secret exists, we should be able to access the endpoints by IP address using the CA.
_ = requireDiscoveryEndpointsAreWorking(t, scheme, ipWithPort, string(defaultCA.Bundle()), issuerUsingIPAddress, nil)
// Create an FederationDomain with a spec.tls.secretName.
certSecretName := "integration-test-cert-1"
federationDomain2 := testlib.CreateTestFederationDomain(ctx, t, issuerUsingHostname, certSecretName, "")
requireStatus(t, pinnipedClient, federationDomain2.Namespace, federationDomain2.Name, v1alpha1.SuccessFederationDomainStatusCondition)
// Create the Secret.
certCA := createTLSCertificateSecret(ctx, t, ns, hostname, nil, certSecretName, kubeClient)
// Now that the Secret exists, we should be able to access the endpoints by hostname using the CA from the SNI cert.
// Hostnames are case-insensitive, so the request should still work even if the case of the hostname is different
// from the case of the issuer URL's hostname.
_ = requireDiscoveryEndpointsAreWorking(t, scheme, strings.ToUpper(hostname)+":"+port, string(certCA.Bundle()), issuerUsingHostname, nil)
// And we can still access the other issuer using the default cert.
_ = requireDiscoveryEndpointsAreWorking(t, scheme, ipWithPort, string(defaultCA.Bundle()), issuerUsingIPAddress, nil)
}
func defaultTLSCertSecretName(env *testlib.TestEnv) string {
return env.SupervisorAppName + "-default-tls-certificate" //nolint:gosec // this is not a hardcoded credential
}
func createTLSCertificateSecret(ctx context.Context, t *testing.T, ns string, hostname string, ips []net.IP, secretName string, kubeClient kubernetes.Interface) *certauthority.CA {
// Create a CA.
ca, err := certauthority.New("Acme Corp", 1000*time.Hour)
require.NoError(t, err)
// Using the CA, create a TLS server cert.
tlsCert, err := ca.IssueServerCert([]string{hostname}, ips, 1000*time.Hour)
require.NoError(t, err)
// Write the serving cert to the SNI secret.
tlsCertChainPEM, tlsPrivateKeyPEM, err := certauthority.ToPEM(tlsCert)
require.NoError(t, err)
secret := corev1.Secret{
Type: corev1.SecretTypeTLS,
TypeMeta: metav1.TypeMeta{},
ObjectMeta: metav1.ObjectMeta{
Name: secretName,
Namespace: ns,
},
StringData: map[string]string{
"tls.crt": string(tlsCertChainPEM),
"tls.key": string(tlsPrivateKeyPEM),
},
}
_, err = kubeClient.CoreV1().Secrets(ns).Create(ctx, &secret, metav1.CreateOptions{})
require.NoError(t, err)
// Delete the Secret when the test ends.
t.Cleanup(func() {
t.Helper()
deleteCtx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
defer cancel()
err := kubeClient.CoreV1().Secrets(ns).Delete(deleteCtx, secretName, metav1.DeleteOptions{})
require.NoError(t, err)
})
return ca
}
func temporarilyRemoveAllFederationDomainsAndDefaultTLSCertSecret(
ctx context.Context,
t *testing.T,
ns string,
defaultTLSCertSecretName string,
pinnipedClient pinnipedclientset.Interface,
kubeClient kubernetes.Interface,
) {
// Temporarily remove any existing FederationDomains from the cluster so we can test from a clean slate.
originalConfigList, err := pinnipedClient.ConfigV1alpha1().FederationDomains(ns).List(ctx, metav1.ListOptions{})
require.NoError(t, err)
for _, config := range originalConfigList.Items {
err := pinnipedClient.ConfigV1alpha1().FederationDomains(ns).Delete(ctx, config.Name, metav1.DeleteOptions{})
require.NoError(t, err)
}
// Also remove the supervisor's default TLS cert
originalSecret, err := kubeClient.CoreV1().Secrets(ns).Get(ctx, defaultTLSCertSecretName, metav1.GetOptions{})
notFound := k8serrors.IsNotFound(err)
require.False(t, err != nil && !notFound, "unexpected error when getting %s", defaultTLSCertSecretName)
if notFound {
originalSecret = nil
} else {
err = kubeClient.CoreV1().Secrets(ns).Delete(ctx, defaultTLSCertSecretName, metav1.DeleteOptions{})
require.NoError(t, err)
}
// When this test has finished, recreate any FederationDomains and default secret that had existed on the cluster before this test.
t.Cleanup(func() {
cleanupCtx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
defer cancel()
for _, config := range originalConfigList.Items {
thisConfig := config
thisConfig.ResourceVersion = "" // Get rid of resource version since we can't create an object with one.
_, err := pinnipedClient.ConfigV1alpha1().FederationDomains(ns).Create(cleanupCtx, &thisConfig, metav1.CreateOptions{})
require.NoError(t, err)
}
if originalSecret != nil {
originalSecret.ResourceVersion = "" // Get rid of resource version since we can't create an object with one.
_, err = kubeClient.CoreV1().Secrets(ns).Create(cleanupCtx, originalSecret, metav1.CreateOptions{})
require.NoError(t, err)
}
})
}
func jwksURLForIssuer(scheme, host, path string) string {
if path == "" {
return fmt.Sprintf("%s://%s/jwks.json", scheme, host)
}
return fmt.Sprintf("%s://%s/%s/jwks.json", scheme, host, strings.TrimPrefix(path, "/"))
}
func wellKnownURLForIssuer(scheme, host, path string) string {
if path == "" {
return fmt.Sprintf("%s://%s/.well-known/openid-configuration", scheme, host)
}
return fmt.Sprintf("%s://%s/%s/.well-known/openid-configuration", scheme, host, strings.TrimPrefix(path, "/"))
}
func requireDiscoveryEndpointsAreNotFound(t *testing.T, supervisorScheme, supervisorAddress, supervisorCABundle, issuerName string) {
t.Helper()
issuerURL, err := url.Parse(issuerName)
require.NoError(t, err)
requireEndpointNotFound(t, wellKnownURLForIssuer(supervisorScheme, supervisorAddress, issuerURL.Path), issuerURL.Host, supervisorCABundle)
requireEndpointNotFound(t, jwksURLForIssuer(supervisorScheme, supervisorAddress, issuerURL.Path), issuerURL.Host, supervisorCABundle)
}
func requireEndpointNotFound(t *testing.T, url, host, caBundle string) {
t.Helper()
httpClient := newHTTPClient(t, caBundle, nil)
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
defer cancel()
requestNonExistentPath, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil)
require.NoError(t, err)
requestNonExistentPath.Host = host
testlib.RequireEventually(t, func(requireEventually *require.Assertions) {
response, err := httpClient.Do(requestNonExistentPath)
requireEventually.NoError(err)
requireEventually.NoError(response.Body.Close())
requireEventually.Equal(http.StatusNotFound, response.StatusCode)
}, time.Minute, 200*time.Millisecond)
}
func requireEndpointHasTLSErrorBecauseCertificatesAreNotReady(t *testing.T, url string) {
t.Helper()
httpClient := newHTTPClient(t, "", nil)
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
defer cancel()
testlib.RequireEventually(t, func(requireEventually *require.Assertions) {
request, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil)
requireEventually.NoError(err)
response, err := httpClient.Do(request)
if err == nil {
_ = response.Body.Close()
}
requireEventually.Error(err)
requireEventually.EqualError(err, fmt.Sprintf(`Get "%s": remote error: tls: unrecognized name`, url))
}, time.Minute, 200*time.Millisecond)
}
func requireCreatingFederationDomainCausesDiscoveryEndpointsToAppear(
ctx context.Context,
t *testing.T,
supervisorScheme, supervisorAddress, supervisorCABundle string,
issuerName string,
client pinnipedclientset.Interface,
) (*v1alpha1.FederationDomain, *ExpectedJWKSResponseFormat) {
t.Helper()
newFederationDomain := testlib.CreateTestFederationDomain(ctx, t, issuerName, "", "")
jwksResult := requireDiscoveryEndpointsAreWorking(t, supervisorScheme, supervisorAddress, supervisorCABundle, issuerName, nil)
requireStatus(t, client, newFederationDomain.Namespace, newFederationDomain.Name, v1alpha1.SuccessFederationDomainStatusCondition)
return newFederationDomain, jwksResult
}
func requireDiscoveryEndpointsAreWorking(t *testing.T, supervisorScheme, supervisorAddress, supervisorCABundle, issuerName string, dnsOverrides map[string]string) *ExpectedJWKSResponseFormat {
requireWellKnownEndpointIsWorking(t, supervisorScheme, supervisorAddress, supervisorCABundle, issuerName, dnsOverrides)
jwksResult := requireJWKSEndpointIsWorking(t, supervisorScheme, supervisorAddress, supervisorCABundle, issuerName, dnsOverrides)
return jwksResult
}
func requireDeletingFederationDomainCausesDiscoveryEndpointsToDisappear(
t *testing.T,
existingFederationDomain *v1alpha1.FederationDomain,
client pinnipedclientset.Interface,
ns string,
supervisorScheme, supervisorAddress, supervisorCABundle string,
issuerName string,
) {
t.Helper()
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
defer cancel()
// Delete the FederationDomain.
err := client.ConfigV1alpha1().FederationDomains(ns).Delete(ctx, existingFederationDomain.Name, metav1.DeleteOptions{})
require.NoError(t, err)
// Fetch that same discovery endpoint as before, but now it should not exist anymore. Give it some time for the endpoint to go away.
requireDiscoveryEndpointsAreNotFound(t, supervisorScheme, supervisorAddress, supervisorCABundle, issuerName)
}
func requireWellKnownEndpointIsWorking(t *testing.T, supervisorScheme, supervisorAddress, supervisorCABundle, issuerName string, dnsOverrides map[string]string) {
t.Helper()
issuerURL, err := url.Parse(issuerName)
require.NoError(t, err)
response, responseBody := requireSuccessEndpointResponse(t, wellKnownURLForIssuer(supervisorScheme, supervisorAddress, issuerURL.Path), issuerName, supervisorCABundle, dnsOverrides) //nolint:bodyclose
// Check that the response matches our expectations.
expectedResultTemplate := here.Doc(`{
"issuer": "%s",
"authorization_endpoint": "%s/oauth2/authorize",
"token_endpoint": "%s/oauth2/token",
"token_endpoint_auth_methods_supported": ["client_secret_basic"],
"jwks_uri": "%s/jwks.json",
"scopes_supported": ["openid", "offline"],
"response_types_supported": ["code"],
"claims_supported": ["groups"],
"discovery.supervisor.pinniped.dev/v1alpha1": {"pinniped_identity_providers_endpoint": "%s/v1alpha1/pinniped_identity_providers"},
"subject_types_supported": ["public"],
"id_token_signing_alg_values_supported": ["ES256"]
}`)
expectedJSON := fmt.Sprintf(expectedResultTemplate, issuerName, issuerName, issuerName, issuerName, issuerName)
require.Equal(t, "application/json", response.Header.Get("content-type"))
require.JSONEq(t, expectedJSON, responseBody)
}
type ExpectedJWKSResponseFormat struct {
Keys []map[string]string
}
func requireJWKSEndpointIsWorking(t *testing.T, supervisorScheme, supervisorAddress, supervisorCABundle, issuerName string, dnsOverrides map[string]string) *ExpectedJWKSResponseFormat {
t.Helper()
issuerURL, err := url.Parse(issuerName)
require.NoError(t, err)
response, responseBody := requireSuccessEndpointResponse(t, //nolint:bodyclose
jwksURLForIssuer(supervisorScheme, supervisorAddress, issuerURL.Path),
issuerName,
supervisorCABundle,
dnsOverrides,
)
var result ExpectedJWKSResponseFormat
err = json.Unmarshal([]byte(responseBody), &result)
require.NoError(t, err)
require.Len(t, result.Keys, 1)
jwk := result.Keys[0]
require.Len(t, jwk, 7) // make sure there are no extra values, i.e. does not include private key
require.NotEmpty(t, jwk["kid"])
require.Equal(t, "sig", jwk["use"])
require.Equal(t, "EC", jwk["kty"])
require.Equal(t, "P-256", jwk["crv"])
require.Equal(t, "ES256", jwk["alg"])
require.NotEmpty(t, jwk["x"])
require.NotEmpty(t, jwk["y"])
require.Equal(t, "application/json", response.Header.Get("content-type"))
return &result
}
func requireSuccessEndpointResponse(t *testing.T, endpointURL, issuer, caBundle string, dnsOverrides map[string]string) (*http.Response, string) {
t.Helper()
httpClient := newHTTPClient(t, caBundle, dnsOverrides)
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
defer cancel()
// Define a request to the new discovery endpoint which should have been created by an FederationDomain.
requestDiscoveryEndpoint, err := http.NewRequestWithContext(
ctx,
http.MethodGet,
endpointURL,
nil,
)
require.NoError(t, err)
issuerURL, err := url.Parse(issuer)
require.NoError(t, err)
// Set the host header on the request to match the issuer's hostname, which could potentially be different
// from the public ingress address, e.g. when a load balancer is used, so we want to test here that the host
// header is respected by the supervisor server.
requestDiscoveryEndpoint.Host = issuerURL.Host
// Fetch that discovery endpoint. Give it some time for the endpoint to come into existence.
var response *http.Response
var responseBody []byte
testlib.RequireEventually(t, func(requireEventually *require.Assertions) {
var err error
response, err = httpClient.Do(requestDiscoveryEndpoint)
requireEventually.NoError(err)
defer func() { _ = response.Body.Close() }()
requireEventually.Equal(http.StatusOK, response.StatusCode)
responseBody, err = ioutil.ReadAll(response.Body)
requireEventually.NoError(err)
}, time.Minute, 200*time.Millisecond)
return response, string(responseBody)
}
func editFederationDomainIssuerName(
t *testing.T,
existingFederationDomain *v1alpha1.FederationDomain,
client pinnipedclientset.Interface,
ns string,
newIssuerName string,
) *v1alpha1.FederationDomain {
t.Helper()
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
defer cancel()
var updated *v1alpha1.FederationDomain
require.NoError(t, retry.RetryOnConflict(retry.DefaultRetry, func() error {
mostRecentVersion, err := client.ConfigV1alpha1().FederationDomains(ns).Get(ctx, existingFederationDomain.Name, metav1.GetOptions{})
if err != nil {
return err
}
mostRecentVersion.Spec.Issuer = newIssuerName
updated, err = client.ConfigV1alpha1().FederationDomains(ns).Update(ctx, mostRecentVersion, metav1.UpdateOptions{})
return err
}))
return updated
}
func requireDelete(t *testing.T, client pinnipedclientset.Interface, ns, name string) {
t.Helper()
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
defer cancel()
err := client.ConfigV1alpha1().FederationDomains(ns).Delete(ctx, name, metav1.DeleteOptions{})
require.NoError(t, err)
}
func requireStatus(t *testing.T, client pinnipedclientset.Interface, ns, name string, status v1alpha1.FederationDomainStatusCondition) {
t.Helper()
testlib.RequireEventually(t, func(requireEventually *require.Assertions) {
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
federationDomain, err := client.ConfigV1alpha1().FederationDomains(ns).Get(ctx, name, metav1.GetOptions{})
requireEventually.NoError(err)
t.Logf("found FederationDomain %s/%s with status %s", ns, name, federationDomain.Status.Status)
requireEventually.Equalf(status, federationDomain.Status.Status, "unexpected status (message = '%s')", federationDomain.Status.Message)
}, 5*time.Minute, 200*time.Millisecond)
}
func newHTTPClient(t *testing.T, caBundle string, dnsOverrides map[string]string) *http.Client {
c := &http.Client{}
realDialer := &net.Dialer{}
overrideDialContext := func(ctx context.Context, network, addr string) (net.Conn, error) {
replacementAddr, hasKey := dnsOverrides[addr]
if hasKey {
t.Logf("DialContext replacing addr %s with %s", addr, replacementAddr)
addr = replacementAddr
} else if dnsOverrides != nil {
t.Fatal("dnsOverrides was provided but not used, which was probably a mistake")
}
return realDialer.DialContext(ctx, network, addr)
}
if caBundle != "" { // CA bundle is optional
caCertPool := x509.NewCertPool()
caCertPool.AppendCertsFromPEM([]byte(caBundle))
c.Transport = &http.Transport{
DialContext: overrideDialContext,
TLSClientConfig: &tls.Config{MinVersion: tls.VersionTLS13, RootCAs: caCertPool},
}
} else {
c.Transport = &http.Transport{
DialContext: overrideDialContext,
}
}
return c
}