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loadbalancers_test.go
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loadbalancers_test.go
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/*
Copyright 2015 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 loadbalancers
import (
"context"
"fmt"
"net/http"
"strconv"
"strings"
"testing"
"github.com/GoogleCloudPlatform/k8s-cloud-provider/pkg/cloud"
"github.com/GoogleCloudPlatform/k8s-cloud-provider/pkg/cloud/meta"
"github.com/GoogleCloudPlatform/k8s-cloud-provider/pkg/cloud/mock"
"github.com/google/go-cmp/cmp"
"google.golang.org/api/compute/v1"
"google.golang.org/api/googleapi"
"k8s.io/api/networking/v1beta1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/sets"
"k8s.io/ingress-gce/pkg/annotations"
frontendconfigv1beta1 "k8s.io/ingress-gce/pkg/apis/frontendconfig/v1beta1"
"k8s.io/ingress-gce/pkg/composite"
"k8s.io/ingress-gce/pkg/events"
"k8s.io/ingress-gce/pkg/flags"
"k8s.io/ingress-gce/pkg/instances"
"k8s.io/ingress-gce/pkg/loadbalancers/features"
"k8s.io/ingress-gce/pkg/translator"
"k8s.io/ingress-gce/pkg/utils"
"k8s.io/ingress-gce/pkg/utils/common"
namer_util "k8s.io/ingress-gce/pkg/utils/namer"
"k8s.io/kubernetes/pkg/util/slice"
"k8s.io/legacy-cloud-providers/gce"
)
const (
clusterName = "uid1"
ingressName = "test"
namespace = "namespace1"
defaultZone = "zone-a"
defaultVersion = meta.VersionGA
defaultScope = meta.Global
)
type testJig struct {
pool L7s
fakeGCE *gce.Cloud
mock *cloud.MockGCE
namer *namer_util.Namer
ing *v1beta1.Ingress
feNamer namer_util.IngressFrontendNamer
t *testing.T
}
func newTestJig(t *testing.T) *testJig {
namer := namer_util.NewNamer(clusterName, "fw1")
fakeGCE := gce.NewFakeGCECloud(gce.DefaultTestClusterValues())
mockGCE := fakeGCE.Compute().(*cloud.MockGCE)
// Add any common hooks needed here, functions can override more specific hooks
mockGCE.MockUrlMaps.UpdateHook = mock.UpdateURLMapHook
mockGCE.MockTargetHttpProxies.SetUrlMapHook = mock.SetURLMapTargetHTTPProxyHook
mockGCE.MockTargetHttpsProxies.SetUrlMapHook = mock.SetURLMapTargetHTTPSProxyHook
mockGCE.MockTargetHttpsProxies.SetSslCertificatesHook = mock.SetSslCertificateTargetHTTPSProxyHook
mockGCE.MockSslCertificates.InsertHook = func(ctx context.Context, key *meta.Key, obj *compute.SslCertificate, m *cloud.MockSslCertificates) (b bool, e error) {
if len(m.Objects) >= FakeCertQuota {
return true, fmt.Errorf("error exceeded fake cert quota")
}
return false, nil
}
mockGCE.MockTargetHttpsProxies.SetSslCertificatesHook = func(ctx context.Context, key *meta.Key, request *compute.TargetHttpsProxiesSetSslCertificatesRequest, proxies *cloud.MockTargetHttpsProxies) error {
tp, err := proxies.Get(ctx, key)
if err != nil {
return &googleapi.Error{
Code: http.StatusNotFound,
Message: fmt.Sprintf("Key: %s was not found in TargetHttpsProxies", key.String()),
}
}
if len(request.SslCertificates) > TargetProxyCertLimit {
return fmt.Errorf("error exceeded target proxy cert limit")
}
tp.SslCertificates = request.SslCertificates
return nil
}
mockGCE.MockTargetHttpsProxies.SetSslPolicyHook = func(ctx context.Context, key *meta.Key, ref *compute.SslPolicyReference, proxies *cloud.MockTargetHttpsProxies) error {
tps, err := proxies.Get(ctx, key)
fmt.Printf("tps = %+v, err = %v\n\n", tps, err)
if err != nil {
return &googleapi.Error{
Code: http.StatusNotFound,
Message: fmt.Sprintf("Key: %s was not found in TargetHttpsProxies", key.String()),
}
}
tps.SslPolicy = ref.SslPolicy
return nil
}
mockGCE.MockGlobalForwardingRules.InsertHook = InsertGlobalForwardingRuleHook
ing := newIngress()
feNamer := namer_util.NewFrontendNamerFactory(namer, "").Namer(ing)
return &testJig{
pool: newFakeLoadBalancerPool(fakeGCE, t, namer),
fakeGCE: fakeGCE,
mock: mockGCE,
namer: namer,
ing: ing,
feNamer: feNamer,
t: t,
}
}
// TODO: (shance) implement this once we switch to composites
func (j *testJig) String() string {
return "testJig.String() Not implemented"
}
func newIngress() *v1beta1.Ingress {
return &v1beta1.Ingress{
ObjectMeta: metav1.ObjectMeta{
Name: ingressName,
Namespace: namespace,
},
}
}
func newFakeLoadBalancerPool(cloud *gce.Cloud, t *testing.T, namer *namer_util.Namer) L7s {
fakeIGs := instances.NewFakeInstanceGroups(sets.NewString(), namer)
nodePool := instances.NewNodePool(fakeIGs, namer)
nodePool.Init(&instances.FakeZoneLister{Zones: []string{defaultZone}})
return L7s{cloud, namer, events.RecorderProducerMock{}, namer_util.NewFrontendNamerFactory(namer, "")}
}
func newILBIngress() *v1beta1.Ingress {
return &v1beta1.Ingress{
ObjectMeta: metav1.ObjectMeta{
Name: ingressName,
Namespace: namespace,
Annotations: map[string]string{annotations.IngressClassKey: annotations.GceL7ILBIngressClass},
},
}
}
func TestCreateHTTPLoadBalancer(t *testing.T) {
// This should NOT create the forwarding rule and target proxy
// associated with the HTTPS branch of this loadbalancer.
j := newTestJig(t)
gceUrlMap := utils.NewGCEURLMap()
gceUrlMap.DefaultBackend = &utils.ServicePort{NodePort: 31234, BackendNamer: j.namer}
gceUrlMap.PutPathRulesForHost("bar.example.com", []utils.PathRule{{Path: "/bar", Backend: utils.ServicePort{NodePort: 30000, BackendNamer: j.namer}}})
lbInfo := &L7RuntimeInfo{
AllowHTTP: true,
UrlMap: gceUrlMap,
Ingress: newIngress(),
}
l7, err := j.pool.Ensure(lbInfo)
if err != nil || l7 == nil {
t.Fatalf("Expected l7 not created, err: %v", err)
}
verifyHTTPForwardingRuleAndProxyLinks(t, j, l7, "")
}
func TestCreateHTTPILBLoadBalancer(t *testing.T) {
// This should NOT create the forwarding rule and target proxy
// associated with the HTTPS branch of this loadbalancer.
j := newTestJig(t)
gceUrlMap := utils.NewGCEURLMap()
gceUrlMap.DefaultBackend = &utils.ServicePort{NodePort: 31234, BackendNamer: j.namer}
gceUrlMap.PutPathRulesForHost("bar.example.com", []utils.PathRule{{Path: "/bar", Backend: utils.ServicePort{NodePort: 30000, BackendNamer: j.namer}}})
lbInfo := &L7RuntimeInfo{
AllowHTTP: true,
UrlMap: gceUrlMap,
Ingress: newILBIngress(),
}
l7, err := j.pool.Ensure(lbInfo)
if err != nil || l7 == nil {
t.Fatalf("Expected l7 not created, err: %v", err)
}
verifyHTTPForwardingRuleAndProxyLinks(t, j, l7, "")
}
func TestCreateHTTPILBLoadBalancerStaticIp(t *testing.T) {
// This should NOT create the forwarding rule and target proxy
// associated with the HTTPS branch of this loadbalancer.
j := newTestJig(t)
ipName := "test-ilb-static-ip"
ip := "10.1.2.3"
key, err := composite.CreateKey(j.fakeGCE, ipName, features.L7ILBScope())
if err != nil {
t.Fatal(err)
}
err = composite.CreateAddress(j.fakeGCE, key, &composite.Address{Name: ipName, Version: meta.VersionGA, Address: ip})
if err != nil {
t.Fatal(err)
}
gceUrlMap := utils.NewGCEURLMap()
gceUrlMap.DefaultBackend = &utils.ServicePort{NodePort: 31234, BackendNamer: j.namer}
gceUrlMap.PutPathRulesForHost("bar.example.com", []utils.PathRule{{Path: "/bar", Backend: utils.ServicePort{NodePort: 30000, BackendNamer: j.namer}}})
lbInfo := &L7RuntimeInfo{
AllowHTTP: true,
UrlMap: gceUrlMap,
Ingress: newILBIngress(),
StaticIPName: ipName,
}
l7, err := j.pool.Ensure(lbInfo)
if err != nil || l7 == nil {
t.Fatalf("Expected l7 not created, err: %v", err)
}
verifyHTTPForwardingRuleAndProxyLinks(t, j, l7, ip)
}
func TestCreateHTTPSILBLoadBalancer(t *testing.T) {
// This should NOT create the forwarding rule and target proxy
// associated with the HTTP branch of this loadbalancer.
j := newTestJig(t)
gceUrlMap := utils.NewGCEURLMap()
gceUrlMap.DefaultBackend = &utils.ServicePort{NodePort: 31234, BackendNamer: j.namer}
gceUrlMap.PutPathRulesForHost("bar.example.com", []utils.PathRule{{Path: "/bar", Backend: utils.ServicePort{NodePort: 30000, BackendNamer: j.namer}}})
lbInfo := &L7RuntimeInfo{
AllowHTTP: false,
TLS: []*TLSCerts{createCert("key", "cert", "name")},
UrlMap: gceUrlMap,
Ingress: newILBIngress(),
}
l7, err := j.pool.Ensure(lbInfo)
if err != nil || l7 == nil {
t.Fatalf("Expected l7 not created")
}
verifyHTTPSForwardingRuleAndProxyLinks(t, j, l7)
}
// Test case with HTTPS ILB Load balancer and AllowHttp set to true (not currently supported)
// Ensure should throw an error
func TestCreateHTTPSILBLoadBalancerAllowHTTP(t *testing.T) {
j := newTestJig(t)
gceUrlMap := utils.NewGCEURLMap()
gceUrlMap.DefaultBackend = &utils.ServicePort{NodePort: 31234, BackendNamer: j.namer}
gceUrlMap.PutPathRulesForHost("bar.example.com", []utils.PathRule{{Path: "/bar", Backend: utils.ServicePort{NodePort: 30000, BackendNamer: j.namer}}})
lbInfo := &L7RuntimeInfo{
AllowHTTP: true,
TLS: []*TLSCerts{createCert("key", "cert", "name")},
UrlMap: gceUrlMap,
Ingress: newILBIngress(),
}
if _, err := j.pool.Ensure(lbInfo); err == nil {
t.Fatalf("j.pool.Ensure(%v) = nil, want err", lbInfo)
}
}
func TestCreateHTTPSLoadBalancer(t *testing.T) {
// This should NOT create the forwarding rule and target proxy
// associated with the HTTP branch of this loadbalancer.
j := newTestJig(t)
gceUrlMap := utils.NewGCEURLMap()
gceUrlMap.DefaultBackend = &utils.ServicePort{NodePort: 31234, BackendNamer: j.namer}
gceUrlMap.PutPathRulesForHost("bar.example.com", []utils.PathRule{{Path: "/bar", Backend: utils.ServicePort{NodePort: 30000, BackendNamer: j.namer}}})
lbInfo := &L7RuntimeInfo{
AllowHTTP: false,
TLS: []*TLSCerts{createCert("key", "cert", "name")},
UrlMap: gceUrlMap,
Ingress: newIngress(),
}
l7, err := j.pool.Ensure(lbInfo)
if err != nil || l7 == nil {
t.Fatalf("Expected l7 not created")
}
verifyHTTPSForwardingRuleAndProxyLinks(t, j, l7)
}
func verifyHTTPSForwardingRuleAndProxyLinks(t *testing.T, j *testJig, l7 *L7) {
t.Helper()
versions := l7.Versions()
key, err := composite.CreateKey(j.fakeGCE, l7.namer.UrlMap(), l7.scope)
if err != nil {
t.Fatal(err)
}
um, err := composite.GetUrlMap(j.fakeGCE, key, versions.UrlMap)
tpsName := l7.namer.TargetProxy(namer_util.HTTPSProtocol)
key.Name = tpsName
tps, err := composite.GetTargetHttpsProxy(j.fakeGCE, key, versions.TargetHttpsProxy)
if err != nil {
t.Fatalf("j.fakeGCE.GetTargetHTTPSProxy(%q) = _, %v; want nil", tpsName, err)
}
if !utils.EqualResourcePaths(tps.UrlMap, um.SelfLink) {
t.Fatalf("tps.UrlMap = %q, want %q", tps.UrlMap, um.SelfLink)
}
fwsName := l7.namer.ForwardingRule(namer_util.HTTPSProtocol)
key.Name = fwsName
fws, err := composite.GetForwardingRule(j.fakeGCE, key, versions.ForwardingRule)
if err != nil {
t.Fatalf("j.fakeGCE.GetGlobalForwardingRule(%q) = _, %v, want nil", fwsName, err)
}
if !utils.EqualResourcePaths(fws.Target, tps.SelfLink) {
t.Fatalf("fws.Target = %q, want %q", fws.Target, tps.SelfLink)
}
if fws.Description == "" {
t.Errorf("fws.Description not set; expected it to be")
}
}
func verifyHTTPForwardingRuleAndProxyLinks(t *testing.T, j *testJig, l7 *L7, ip string) {
t.Helper()
versions := l7.Versions()
key, err := composite.CreateKey(j.fakeGCE, l7.namer.UrlMap(), l7.scope)
if err != nil {
t.Fatal(err)
}
um, err := composite.GetUrlMap(j.fakeGCE, key, versions.UrlMap)
tpName := l7.namer.TargetProxy(namer_util.HTTPProtocol)
key.Name = tpName
tps, err := composite.GetTargetHttpProxy(j.fakeGCE, key, versions.TargetHttpProxy)
if err != nil {
t.Fatalf("j.fakeGCE.GetTargetHTTPProxy(%q) = _, %v; want nil", tpName, err)
}
if !utils.EqualResourcePaths(tps.UrlMap, um.SelfLink) {
t.Fatalf("tp.UrlMap = %q, want %q", tps.UrlMap, um.SelfLink)
}
fwName := l7.namer.ForwardingRule(namer_util.HTTPProtocol)
key.Name = fwName
fws, err := composite.GetForwardingRule(j.fakeGCE, key, versions.ForwardingRule)
if err != nil {
t.Fatalf("j.fakeGCE.GetGlobalForwardingRule(%q) = _, %v, want nil", fwName, err)
}
if !utils.EqualResourcePaths(fws.Target, tps.SelfLink) {
t.Fatalf("fw.Target = %q, want %q", fws.Target, tps.SelfLink)
}
if fws.Description == "" {
t.Errorf("fws.Description not set; expected it to be")
}
if ip != "" {
if fws.IPAddress != ip {
t.Fatalf("fws.IPAddress = %q, want %q", fws.IPAddress, ip)
}
}
}
// Tests that a certificate is created from the provided Key/Cert combo
// and the proxy is updated to another cert when the provided cert changes
func TestCertUpdate(t *testing.T) {
j := newTestJig(t)
gceUrlMap := utils.NewGCEURLMap()
gceUrlMap.DefaultBackend = &utils.ServicePort{NodePort: 31234, BackendNamer: j.namer}
gceUrlMap.PutPathRulesForHost("bar.example.com", []utils.PathRule{{Path: "/bar", Backend: utils.ServicePort{NodePort: 30000, BackendNamer: j.namer}}})
ing := newIngress()
feNamer := namer_util.NewFrontendNamerFactory(j.namer, "").Namer(ing)
certName1 := feNamer.SSLCertName(GetCertHash("cert"))
certName2 := feNamer.SSLCertName(GetCertHash("cert2"))
lbInfo := &L7RuntimeInfo{
AllowHTTP: false,
TLS: []*TLSCerts{createCert("key", "cert", "name")},
UrlMap: gceUrlMap,
Ingress: ing,
}
// Sync first cert
if _, err := j.pool.Ensure(lbInfo); err != nil {
t.Fatalf("pool.Ensure() = err %v", err)
}
// Verify certs
t.Logf("lbName=%q, name=%q", feNamer.LoadBalancer(), certName1)
expectCerts := map[string]string{certName1: lbInfo.TLS[0].Cert}
verifyCertAndProxyLink(expectCerts, expectCerts, j, t)
// Sync with different cert
lbInfo.TLS = []*TLSCerts{createCert("key2", "cert2", "name")}
if _, err := j.pool.Ensure(lbInfo); err != nil {
t.Fatalf("pool.Ensure() = err %v", err)
}
expectCerts = map[string]string{certName2: lbInfo.TLS[0].Cert}
verifyCertAndProxyLink(expectCerts, expectCerts, j, t)
}
// Test that multiple secrets with the same certificate value don't cause a sync error.
func TestMultipleSecretsWithSameCert(t *testing.T) {
j := newTestJig(t)
gceUrlMap := utils.NewGCEURLMap()
gceUrlMap.DefaultBackend = &utils.ServicePort{NodePort: 31234, BackendNamer: j.namer}
gceUrlMap.PutPathRulesForHost("bar.example.com", []utils.PathRule{{Path: "/bar", Backend: utils.ServicePort{NodePort: 30000, BackendNamer: j.namer}}})
ing := newIngress()
feNamer := namer_util.NewFrontendNamerFactory(j.namer, "").Namer(ing)
lbInfo := &L7RuntimeInfo{
AllowHTTP: false,
TLS: []*TLSCerts{
createCert("key", "cert", "secret-a"),
createCert("key", "cert", "secret-b"),
},
UrlMap: gceUrlMap,
Ingress: ing,
}
// Sync first cert
if _, err := j.pool.Ensure(lbInfo); err != nil {
t.Fatalf("pool.Ensure() = err %v", err)
}
certName := feNamer.SSLCertName(GetCertHash("cert"))
expectCerts := map[string]string{certName: lbInfo.TLS[0].Cert}
verifyCertAndProxyLink(expectCerts, expectCerts, j, t)
}
// Tests that controller can overwrite existing, unused certificates
func TestCertCreationWithCollision(t *testing.T) {
j := newTestJig(t)
gceUrlMap := utils.NewGCEURLMap()
gceUrlMap.DefaultBackend = &utils.ServicePort{NodePort: 31234, BackendNamer: j.namer}
gceUrlMap.PutPathRulesForHost("bar.example.com", []utils.PathRule{{Path: "/bar", Backend: utils.ServicePort{NodePort: 30000, BackendNamer: j.namer}}})
ing := newIngress()
feNamer := namer_util.NewFrontendNamerFactory(j.namer, "").Namer(ing)
certName1 := feNamer.SSLCertName(GetCertHash("cert"))
certName2 := feNamer.SSLCertName(GetCertHash("cert2"))
lbInfo := &L7RuntimeInfo{
AllowHTTP: false,
TLS: []*TLSCerts{createCert("key", "cert", "name")},
UrlMap: gceUrlMap,
Ingress: ing,
}
// Have the same name used by orphaned cert
// Since name of the cert is the same, the contents of Certificate have to be the same too, since name contains a
// hash of the contents.
key, err := composite.CreateKey(j.fakeGCE, certName1, defaultScope)
if err != nil {
t.Fatal(err)
}
composite.CreateSslCertificate(j.fakeGCE, key, &composite.SslCertificate{
Name: certName1,
Certificate: "cert",
SelfLink: "existing",
})
// Sync first cert
if _, err := j.pool.Ensure(lbInfo); err != nil {
t.Fatalf("pool.Ensure() = err %v", err)
}
expectCerts := map[string]string{certName1: lbInfo.TLS[0].Cert}
verifyCertAndProxyLink(expectCerts, expectCerts, j, t)
// Create another cert where the name matches that of another cert, but contents are different - xyz != cert2.
// Simulates a hash collision
key.Name = certName2
composite.CreateSslCertificate(j.fakeGCE, key, &composite.SslCertificate{
Name: certName2,
Certificate: "xyz",
SelfLink: "existing",
})
// Sync with different cert
lbInfo.TLS = []*TLSCerts{createCert("key2", "cert2", "name")}
if _, err := j.pool.Ensure(lbInfo); err != nil {
t.Fatalf("pool.Ensure() = err %v", err)
}
expectCerts = map[string]string{certName2: "xyz"}
// xyz instead of cert2 because the name collided and cert did not get updated.
verifyCertAndProxyLink(expectCerts, expectCerts, j, t)
}
func TestMultipleCertRetentionAfterRestart(t *testing.T) {
j := newTestJig(t)
gceUrlMap := utils.NewGCEURLMap()
gceUrlMap.DefaultBackend = &utils.ServicePort{NodePort: 31234, BackendNamer: j.namer}
gceUrlMap.PutPathRulesForHost("bar.example.com", []utils.PathRule{{Path: "/bar", Backend: utils.ServicePort{NodePort: 30000, BackendNamer: j.namer}}})
cert1 := createCert("key", "cert", "name")
cert2 := createCert("key2", "cert2", "name2")
cert3 := createCert("key3", "cert3", "name3")
ing := newIngress()
feNamer := namer_util.NewFrontendNamerFactory(j.namer, "").Namer(ing)
certName1 := feNamer.SSLCertName(cert1.CertHash)
certName2 := feNamer.SSLCertName(cert2.CertHash)
certName3 := feNamer.SSLCertName(cert3.CertHash)
expectCerts := map[string]string{}
lbInfo := &L7RuntimeInfo{
AllowHTTP: false,
TLS: []*TLSCerts{cert1},
UrlMap: gceUrlMap,
Ingress: ing,
}
expectCerts[certName1] = cert1.Cert
firstPool := j.pool
firstPool.Ensure(lbInfo)
verifyCertAndProxyLink(expectCerts, expectCerts, j, t)
// Update config to use 2 certs
lbInfo.TLS = []*TLSCerts{cert1, cert2}
expectCerts[certName2] = cert2.Cert
firstPool.Ensure(lbInfo)
verifyCertAndProxyLink(expectCerts, expectCerts, j, t)
// Restart of controller represented by a new pool
secondPool := newFakeLoadBalancerPool(j.fakeGCE, t, j.namer)
secondPool.Ensure(lbInfo)
// Verify both certs are still present
verifyCertAndProxyLink(expectCerts, expectCerts, j, t)
// Replace the 2 certs with a different, single cert
lbInfo.TLS = []*TLSCerts{cert3}
expectCerts = map[string]string{certName3: cert3.Cert}
secondPool.Ensure(lbInfo)
// Only the new cert should be present
verifyCertAndProxyLink(expectCerts, expectCerts, j, t)
}
//TestUpgradeToNewCertNames verifies that certs uploaded using the old naming convention
// are picked up and deleted when upgrading to the new scheme.
func TestUpgradeToNewCertNames(t *testing.T) {
j := newTestJig(t)
gceUrlMap := utils.NewGCEURLMap()
gceUrlMap.DefaultBackend = &utils.ServicePort{NodePort: 31234, BackendNamer: j.namer}
gceUrlMap.PutPathRulesForHost("bar.example.com", []utils.PathRule{{Path: "/bar", Backend: utils.ServicePort{NodePort: 30000, BackendNamer: j.namer}}})
ing := newIngress()
feNamer := namer_util.NewFrontendNamerFactory(j.namer, "").Namer(ing)
lbInfo := &L7RuntimeInfo{
AllowHTTP: false,
UrlMap: gceUrlMap,
Ingress: ing,
}
oldCertName := fmt.Sprintf("k8s-ssl-%s", feNamer.LoadBalancer())
tlsCert := createCert("key", "cert", "name")
lbInfo.TLS = []*TLSCerts{tlsCert}
newCertName := feNamer.SSLCertName(tlsCert.CertHash)
// Manually create a target proxy and assign a legacy cert to it.
sslCert := &composite.SslCertificate{Name: oldCertName, Certificate: "cert", Version: defaultVersion}
key, err := composite.CreateKey(j.fakeGCE, sslCert.Name, defaultScope)
if err != nil {
t.Fatal(err)
}
composite.CreateSslCertificate(j.fakeGCE, key, sslCert)
sslCert, _ = composite.GetSslCertificate(j.fakeGCE, key, defaultVersion)
tpName := feNamer.TargetProxy(namer_util.HTTPSProtocol)
newProxy := &composite.TargetHttpsProxy{
Name: tpName,
Description: "fake",
SslCertificates: []string{sslCert.SelfLink},
Version: defaultVersion,
}
key.Name = tpName
err = composite.CreateTargetHttpsProxy(j.fakeGCE, key, newProxy)
if err != nil {
t.Fatalf("Failed to create Target proxy %v - %v", newProxy, err)
}
proxyCerts, err := composite.ListSslCertificates(j.fakeGCE, key, defaultVersion)
if err != nil {
t.Fatalf("Failed to list certs for load balancer %v - %v", j, err)
}
if len(proxyCerts) != 1 {
t.Fatalf("Unexpected number of certs - Expected 1, got %d", len(proxyCerts))
}
if proxyCerts[0].Name != oldCertName {
t.Fatalf("Expected cert with name %s, Got %s", oldCertName, proxyCerts[0].Name)
}
// Sync should replace this oldCert with one following the new naming scheme
if _, err := j.pool.Ensure(lbInfo); err != nil {
t.Fatalf("pool.Ensure() = err %v", err)
}
// We expect to see only the new cert linked to the proxy and available in the load balancer.
expectCerts := map[string]string{newCertName: tlsCert.Cert}
verifyCertAndProxyLink(expectCerts, expectCerts, j, t)
}
// Tests uploading 15 certs which is the limit for the fake loadbalancer. Ensures that creation of the 16th cert fails.
// Tests uploading 10 certs which is the target proxy limit. Uploading 11th cert should fail.
func TestMaxCertsUpload(t *testing.T) {
j := newTestJig(t)
gceUrlMap := utils.NewGCEURLMap()
gceUrlMap.DefaultBackend = &utils.ServicePort{NodePort: 31234, BackendNamer: j.namer}
gceUrlMap.PutPathRulesForHost("bar.example.com", []utils.PathRule{{Path: "/bar", Backend: utils.ServicePort{NodePort: 30000, BackendNamer: j.namer}}})
var tlsCerts []*TLSCerts
expectCerts := make(map[string]string)
expectCertsExtra := make(map[string]string)
ing := newIngress()
feNamer := namer_util.NewFrontendNamerFactory(j.namer, "").Namer(ing)
for ix := 0; ix < FakeCertQuota; ix++ {
str := strconv.Itoa(ix)
tlsCerts = append(tlsCerts, createCert("key-"+str, "cert-"+str, "name-"+str))
certName := feNamer.SSLCertName(GetCertHash("cert-" + str))
expectCerts[certName] = "cert-" + str
}
lbInfo := &L7RuntimeInfo{
AllowHTTP: false,
TLS: tlsCerts,
UrlMap: gceUrlMap,
Ingress: ing,
}
if _, err := j.pool.Ensure(lbInfo); err != nil {
t.Fatalf("pool.Ensure() = err %v", err)
}
verifyCertAndProxyLink(expectCerts, expectCerts, j, t)
failCert := createCert("key100", "cert100", "name100")
lbInfo.TLS = append(lbInfo.TLS, failCert)
_, err := j.pool.Ensure(lbInfo)
if err == nil {
t.Fatalf("Creating more than %d certs should have errored out", FakeCertQuota)
}
verifyCertAndProxyLink(expectCerts, expectCerts, j, t)
// Set cert count less than cert creation limit but more than target proxy limit
lbInfo.TLS = lbInfo.TLS[:TargetProxyCertLimit+1]
for _, cert := range lbInfo.TLS {
expectCertsExtra[feNamer.SSLCertName(cert.CertHash)] = cert.Cert
}
_, err = j.pool.Ensure(lbInfo)
if err == nil {
t.Fatalf("Assigning more than %d certs should have errored out", TargetProxyCertLimit)
}
// load balancer will contain the extra cert, but target proxy will not
verifyCertAndProxyLink(expectCertsExtra, expectCerts, j, t)
// Removing the extra cert from ingress spec should delete it
lbInfo.TLS = lbInfo.TLS[:TargetProxyCertLimit]
_, err = j.pool.Ensure(lbInfo)
if err != nil {
t.Fatalf("Unexpected error %s", err)
}
expectCerts = make(map[string]string)
for _, cert := range lbInfo.TLS {
expectCerts[feNamer.SSLCertName(cert.CertHash)] = cert.Cert
}
verifyCertAndProxyLink(expectCerts, expectCerts, j, t)
}
// In case multiple certs for the same subject/hostname are uploaded, the certs will be sent in the same order they were
// specified, to the targetproxy. The targetproxy will present the first occurring cert for a given hostname to the client.
// This test verifies this behavior.
func TestIdenticalHostnameCerts(t *testing.T) {
j := newTestJig(t)
gceUrlMap := utils.NewGCEURLMap()
gceUrlMap.DefaultBackend = &utils.ServicePort{NodePort: 31234, BackendNamer: j.namer}
gceUrlMap.PutPathRulesForHost("bar.example.com", []utils.PathRule{{Path: "/bar", Backend: utils.ServicePort{NodePort: 30000, BackendNamer: j.namer}}})
var tlsCerts []*TLSCerts
expectCerts := make(map[string]string)
ing := newIngress()
feNamer := namer_util.NewFrontendNamerFactory(j.namer, "").Namer(ing)
contents := ""
for ix := 0; ix < 3; ix++ {
str := strconv.Itoa(ix)
contents = "cert-" + str + " foo.com"
tlsCerts = append(tlsCerts, createCert("key-"+str, contents, "name-"+str))
certName := feNamer.SSLCertName(GetCertHash(contents))
expectCerts[certName] = contents
}
lbInfo := &L7RuntimeInfo{
AllowHTTP: false,
TLS: tlsCerts,
UrlMap: gceUrlMap,
Ingress: ing,
}
// Sync multiple times to make sure ordering is preserved
for i := 0; i < 10; i++ {
if _, err := j.pool.Ensure(lbInfo); err != nil {
t.Fatalf("pool.Ensure() = err %v", err)
}
verifyCertAndProxyLink(expectCerts, expectCerts, j, t)
// Fetch the target proxy certs and go through in order
verifyProxyCertsInOrder(" foo.com", j, t)
j.pool.delete(feNamer, features.GAResourceVersions, defaultScope)
}
}
func TestIdenticalHostnameCertsPreShared(t *testing.T) {
j := newTestJig(t)
gceUrlMap := utils.NewGCEURLMap()
gceUrlMap.DefaultBackend = &utils.ServicePort{NodePort: 31234, BackendNamer: j.namer}
gceUrlMap.PutPathRulesForHost("bar.example.com", []utils.PathRule{{Path: "/bar", Backend: utils.ServicePort{NodePort: 30000, BackendNamer: j.namer}}})
lbInfo := &L7RuntimeInfo{
AllowHTTP: false,
UrlMap: gceUrlMap,
Ingress: newIngress(),
}
key, err := composite.CreateKey(j.fakeGCE, "test-pre-shared-cert", defaultScope)
if err != nil {
t.Fatal(err)
}
// Prepare pre-shared certs.
composite.CreateSslCertificate(j.fakeGCE, key, &composite.SslCertificate{
Name: "test-pre-shared-cert",
Certificate: "cert-0 foo.com",
SelfLink: "existing",
})
preSharedCert1, _ := composite.GetSslCertificate(j.fakeGCE, key, defaultVersion)
key.Name = "test-pre-shared-cert1"
composite.CreateSslCertificate(j.fakeGCE, key, &composite.SslCertificate{
Name: "test-pre-shared-cert1",
Certificate: "cert-1 foo.com",
SelfLink: "existing",
})
preSharedCert2, _ := composite.GetSslCertificate(j.fakeGCE, key, defaultVersion)
key.Name = "test-pre-shared-cert2"
composite.CreateSslCertificate(j.fakeGCE, key, &composite.SslCertificate{
Name: "test-pre-shared-cert2",
Certificate: "cert2",
SelfLink: "existing",
})
preSharedCert3, _ := composite.GetSslCertificate(j.fakeGCE, key, defaultVersion)
expectCerts := map[string]string{preSharedCert1.Name: preSharedCert1.Certificate,
preSharedCert2.Name: preSharedCert2.Certificate, preSharedCert3.Name: preSharedCert3.Certificate}
lbInfo.TLSName = preSharedCert1.Name + "," + preSharedCert2.Name + "," + preSharedCert3.Name
// Sync multiple times to make sure ordering is preserved
for i := 0; i < 10; i++ {
if _, err := j.pool.Ensure(lbInfo); err != nil {
t.Fatalf("pool.Ensure() = err %v", err)
}
verifyCertAndProxyLink(expectCerts, expectCerts, j, t)
// Fetch the target proxy certs and go through in order
verifyProxyCertsInOrder(" foo.com", j, t)
feNamer := namer_util.NewFrontendNamerFactory(j.namer, "").Namer(lbInfo.Ingress)
j.pool.delete(feNamer, features.GAResourceVersions, defaultScope)
}
}
// TestPreSharedToSecretBasedCertUpdate updates from pre-shared cert
// to secret based cert and verifies the pre-shared cert is retained.
func TestPreSharedToSecretBasedCertUpdate(t *testing.T) {
j := newTestJig(t)
gceUrlMap := utils.NewGCEURLMap()
gceUrlMap.DefaultBackend = &utils.ServicePort{NodePort: 31234, BackendNamer: j.namer}
gceUrlMap.PutPathRulesForHost("bar.example.com", []utils.PathRule{{Path: "/bar", Backend: utils.ServicePort{NodePort: 30000, BackendNamer: j.namer}}})
ing := newIngress()
feNamer := namer_util.NewFrontendNamerFactory(j.namer, "").Namer(ing)
certName1 := feNamer.SSLCertName(GetCertHash("cert"))
certName2 := feNamer.SSLCertName(GetCertHash("cert2"))
lbInfo := &L7RuntimeInfo{
AllowHTTP: false,
UrlMap: gceUrlMap,
Ingress: ing,
}
// Prepare pre-shared certs.
key, err := composite.CreateKey(j.fakeGCE, "test-pre-shared-cert", defaultScope)
if err != nil {
t.Fatal(err)
}
composite.CreateSslCertificate(j.fakeGCE, key, &composite.SslCertificate{
Name: "test-pre-shared-cert",
Certificate: "abc",
SelfLink: "existing",
})
preSharedCert1, _ := composite.GetSslCertificate(j.fakeGCE, key, defaultVersion)
// Prepare pre-shared certs.
key.Name = "test-pre-shared-cert2"
composite.CreateSslCertificate(j.fakeGCE, key, &composite.SslCertificate{
Name: "test-pre-shared-cert2",
Certificate: "xyz",
SelfLink: "existing",
Version: defaultVersion,
})
preSharedCert2, _ := composite.GetSslCertificate(j.fakeGCE, key, defaultVersion)
lbInfo.TLSName = preSharedCert1.Name + "," + preSharedCert2.Name
// Sync pre-shared certs.
if _, err := j.pool.Ensure(lbInfo); err != nil {
t.Fatalf("pool.Ensure() = err %v", err)
}
expectCerts := map[string]string{preSharedCert1.Name: preSharedCert1.Certificate,
preSharedCert2.Name: preSharedCert2.Certificate}
verifyCertAndProxyLink(expectCerts, expectCerts, j, t)
// Updates from pre-shared cert to secret based cert.
lbInfo.TLS = []*TLSCerts{createCert("key", "cert", "name")}
lbInfo.TLSName = ""
if _, err := j.pool.Ensure(lbInfo); err != nil {
t.Fatalf("pool.Ensure() = err %v", err)
}
expectCerts[certName1] = lbInfo.TLS[0].Cert
// fakeLoadBalancer contains the preshared certs as well, but proxy will use only certName1
expectCertsProxy := map[string]string{certName1: lbInfo.TLS[0].Cert}
verifyCertAndProxyLink(expectCerts, expectCertsProxy, j, t)
// Sync a different cert.
lbInfo.TLS = []*TLSCerts{createCert("key2", "cert2", "name")}
j.pool.Ensure(lbInfo)
delete(expectCerts, certName1)
expectCerts[certName2] = lbInfo.TLS[0].Cert
expectCertsProxy = map[string]string{certName2: lbInfo.TLS[0].Cert}
verifyCertAndProxyLink(expectCerts, expectCertsProxy, j, t)
// Check if pre-shared certs are retained.
key.Name = preSharedCert1.Name
if cert, err := composite.GetSslCertificate(j.fakeGCE, key, defaultVersion); err != nil || cert == nil {
t.Fatalf("Want pre-shared certificate %v to exist, got none, err: %v", preSharedCert1.Name, err)
}
key.Name = preSharedCert2.Name
if cert, err := composite.GetSslCertificate(j.fakeGCE, key, defaultVersion); err != nil || cert == nil {
t.Fatalf("Want pre-shared certificate %v to exist, got none, err: %v", preSharedCert2.Name, err)
}
}
func verifyProxyCertsInOrder(hostname string, j *testJig, t *testing.T) {
t.Helper()
t.Logf("f =\n%s", j.String())
TPName := j.feNamer.TargetProxy(namer_util.HTTPSProtocol)
key, err := composite.CreateKey(j.fakeGCE, TPName, defaultScope)
if err != nil {
t.Fatal(err)
}
tps, err := composite.GetTargetHttpsProxy(j.fakeGCE, key, defaultVersion)
if err != nil {
t.Fatalf("expected https proxy to exist: %v, err: %v", TPName, err)
}
count := 0
tmp := ""
for _, link := range tps.SslCertificates {
certName, _ := utils.KeyName(link)
key.Name = certName
cert, err := composite.GetSslCertificate(j.fakeGCE, key, defaultVersion)
if err != nil {
t.Fatalf("Failed to fetch certificate from link %s - %v", link, err)
}
if strings.HasSuffix(cert.Certificate, hostname) {
// cert contents will be of the form "cert-<number> <hostname>", we want the certs with the smaller number
// to show up first
tmp = strings.TrimSuffix(cert.Certificate, hostname)
if int(tmp[len(tmp)-1]-'0') != count {
t.Fatalf("Found cert with index %c, contents - %s, Expected index %d", tmp[len(tmp)-1],
cert.Certificate, count)
}
count++
}
}
}
// expectCerts is the mapping of certs expected in the FakeLoadBalancer. expectCertsProxy is the mapping of certs expected
// to be in use by the target proxy. Both values will be different for the PreSharedToSecretBasedCertUpdate test.
// f will contain the preshared as well as secret-based certs, but target proxy will contain only one or the other.
func verifyCertAndProxyLink(expectCerts map[string]string, expectCertsProxy map[string]string, j *testJig, t *testing.T) {
t.Helper()
t.Logf("f =\n%s", j.String())
// f needs to contain only the certs in expectCerts, nothing more, nothing less
key, err := composite.CreateKey(j.fakeGCE, "", defaultScope)
if err != nil {
t.Fatal(err)
}
allCerts, err := composite.ListSslCertificates(j.fakeGCE, key, defaultVersion)
if err != nil {
t.Fatalf("Failed to list certificates for %v - %v", j, err)
}
if len(expectCerts) != len(allCerts) {
t.Fatalf("Unexpected number of certs in FakeLoadBalancer %v, expected %d, actual %d", j, len(expectCerts),
len(allCerts))
}
for certName, certValue := range expectCerts {
key.Name = certName
cert, err := composite.GetSslCertificate(j.fakeGCE, key, defaultVersion)
if err != nil {
t.Fatalf("expected ssl certificate to exist: %v, err: %v, all certs: %v", certName, err, toCertNames(allCerts))
}
if cert.Certificate != certValue {
t.Fatalf("unexpected certificate value for cert %s; expected %v, actual %v", certName, certValue, cert.Certificate)
}
}
// httpsproxy needs to contain only the certs in expectCerts, nothing more, nothing less
key, err = composite.CreateKey(j.fakeGCE, j.feNamer.TargetProxy(namer_util.HTTPSProtocol), defaultScope)
if err != nil {
t.Fatal(err)
}
tps, err := composite.GetTargetHttpsProxy(j.fakeGCE, key, defaultVersion)
if err != nil {
// Return immediately if expected certs is an empty map.
if len(expectCertsProxy) == 0 && err.(*googleapi.Error).Code == http.StatusNotFound {
return
}
t.Fatalf("expected https proxy to exist: %v, err: %v", j.feNamer.TargetProxy(namer_util.HTTPSProtocol), err)
}
if len(tps.SslCertificates) != len(expectCertsProxy) {
t.Fatalf("Expected https proxy to have %d certs, actual %d", len(expectCertsProxy), len(tps.SslCertificates))
}
for _, link := range tps.SslCertificates {
certName, err := utils.KeyName(link)
if err != nil {
t.Fatalf("error getting certName: %v", err)
}
if _, ok := expectCertsProxy[certName]; !ok {
t.Fatalf("unexpected ssl certificate '%s' linked in target proxy; Expected : %v; Target Proxy Certs: %v",
certName, expectCertsProxy, tps.SslCertificates)
}
}
if tps.Description == "" {
t.Errorf("tps.Description not set; expected it to be")
}
}
func TestCreateHTTPSLoadBalancerAnnotationCert(t *testing.T) {
// This should NOT create the forwarding rule and target proxy
// associated with the HTTP branch of this loadbalancer.
j := newTestJig(t)
gceUrlMap := utils.NewGCEURLMap()
gceUrlMap.DefaultBackend = &utils.ServicePort{NodePort: 31234, BackendNamer: j.namer}
gceUrlMap.PutPathRulesForHost("bar.example.com", []utils.PathRule{{Path: "/bar", Backend: utils.ServicePort{NodePort: 30000, BackendNamer: j.namer}}})
tlsName := "external-cert-name"
lbInfo := &L7RuntimeInfo{
AllowHTTP: false,
TLSName: tlsName,
UrlMap: gceUrlMap,
Ingress: newIngress(),
}
key, err := composite.CreateKey(j.fakeGCE, tlsName, defaultScope)
if err != nil {
t.Fatal(err)
}
composite.CreateSslCertificate(j.fakeGCE, key, &composite.SslCertificate{
Name: tlsName,
})
if _, err := j.pool.Ensure(lbInfo); err != nil {
t.Fatalf("pool.Ensure() = err %v", err)
}
l7, err := j.pool.Ensure(lbInfo)
if err != nil || l7 == nil {
t.Fatalf("Expected l7 not created")
}
verifyHTTPSForwardingRuleAndProxyLinks(t, j, l7)
}
func TestCreateBothLoadBalancers(t *testing.T) {
// This should create 2 forwarding rules and target proxies
// but they should use the same urlmap, and have the same
// static ip.
j := newTestJig(t)
gceUrlMap := utils.NewGCEURLMap()
gceUrlMap.DefaultBackend = &utils.ServicePort{NodePort: 31234, BackendNamer: j.namer}
gceUrlMap.PutPathRulesForHost("bar.example.com", []utils.PathRule{{Path: "/bar", Backend: utils.ServicePort{NodePort: 30000, BackendNamer: j.namer}}})
lbInfo := &L7RuntimeInfo{
AllowHTTP: true,
TLS: []*TLSCerts{{Key: "key", Cert: "cert"}},
UrlMap: gceUrlMap,
Ingress: newIngress(),
}
if _, err := j.pool.Ensure(lbInfo); err != nil {
t.Fatalf("pool.Ensure() = err %v", err)