DevFW-CICD/ingress-nginx-helm
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Only support SSL dynamic mode

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This commit is contained in:
Manuel Alejandro de Brito Fontes 2019-08-13 17:14:55 -04:00
parent 333d9fd48d
commit 80bd481abb
No known key found for this signature in database
GPG key ID: 786136016A8BA02A
40 changed files with 415 additions and 709 deletions
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26
.gitignore vendored
View file

@ -25,15 +25,6 @@
Session.vim
.netrwhist
# coverage artifacts
.coverprofile
/gover.coverprofile
e2e-tests
coverage.txt
test/e2e/e2e\.test
# mkdocs
site
@ -41,11 +32,18 @@ site
gh-pages
# Docker-based builds
/test/binaries
/.env
/.gocache/
/bin/
test/binaries
test/e2e-image/wait-for-nginx\.sh
# coverage artifacts
.coverprofile
gover.coverprofile
e2e-tests
coverage.txt
test/e2e/e2e\.test
.env
.gocache/
bin
test/e2e-image/wait-for-nginx.sh
.cache
cover.out

3
build/run-e2e-suite.sh
View file

@ -63,7 +63,8 @@ kubectl create clusterrolebinding permissive-binding \
--user=kubelet \
--serviceaccount=default:ingress-nginx-e2e || true
until kubectl get secret | grep -q ^ingress-nginx-e2e-token; do \
echo -e "${BGREEN}Waiting service account...${NC}"; \
until kubectl get secret | grep -q -e ^ingress-nginx-e2e-token; do \
echo -e "waiting for api token"; \
sleep 3; \
done

5
cmd/nginx/flags.go
View file

@ -141,7 +141,7 @@ extension for this to succeed.`)
`Customized address to set as the load-balancer status of Ingress objects this controller satisfies.
Requires the update-status parameter.`)
enableDynamicCertificates = flags.Bool("enable-dynamic-certificates", true,
_ = flags.Bool("enable-dynamic-certificates", true,
`Dynamically update SSL certificates instead of reloading NGINX. Feature backed by OpenResty Lua libraries.`)
enableMetrics = flags.Bool("enable-metrics", true,
@ -171,6 +171,8 @@ Takes the form "<host>:port". If not provided, no admission controller is starte
flags.MarkDeprecated("status-port", `The status port is a unix socket now.`)
flags.MarkDeprecated("force-namespace-isolation", `This flag doesn't do anything.`)
flags.MarkDeprecated("enable-dynamic-certificates", `Only dynamic mode is supported`)
flag.Set("logtostderr", "true")
flags.AddGoFlagSet(flag.CommandLine)
@ -232,7 +234,6 @@ Takes the form "<host>:port". If not provided, no admission controller is starte
}
ngx_config.EnableSSLChainCompletion = *enableSSLChainCompletion
ngx_config.EnableDynamicCertificates = *enableDynamicCertificates
config := &controller.Configuration{
APIServerHost: *apiserverHost,

14
cmd/nginx/main.go
View file

@ -39,7 +39,6 @@ import (
"k8s.io/client-go/tools/clientcmd"
"k8s.io/klog"
"k8s.io/ingress-nginx/internal/file"
"k8s.io/ingress-nginx/internal/ingress/controller"
"k8s.io/ingress-nginx/internal/ingress/metric"
"k8s.io/ingress-nginx/internal/k8s"
@ -63,13 +62,6 @@ func main() {
klog.Fatal(err)
}
nginxVersion()
fs, err := file.NewLocalFS()
if err != nil {
klog.Fatal(err)
}
kubeClient, err := createApiserverClient(conf.APIServerHost, conf.KubeConfigFile)
if err != nil {
handleFatalInitError(err)
@ -98,8 +90,8 @@ func main() {
}
}
conf.FakeCertificate = ssl.GetFakeSSLCert(fs)
klog.Infof("Created fake certificate with PemFileName: %v", conf.FakeCertificate.PemFileName)
conf.FakeCertificate = ssl.GetFakeSSLCert()
klog.Infof("SSL fake certificate created %v", conf.FakeCertificate.PemFileName)
k8s.IsNetworkingIngressAvailable = k8s.NetworkingIngressAvailable(kubeClient)
if !k8s.IsNetworkingIngressAvailable {
@ -125,7 +117,7 @@ func main() {
}
mc.Start()
ngx := controller.NewNGINXController(conf, mc, fs)
ngx := controller.NewNGINXController(conf, mc)
go handleSigterm(ngx, func(code int) {
os.Exit(code)
})

19
cmd/nginx/main_test.go
View file

@ -19,6 +19,7 @@ package main
import (
"fmt"
"os"
"path/filepath"
"syscall"
"testing"
"time"
@ -28,8 +29,8 @@ import (
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/kubernetes/fake"
"k8s.io/ingress-nginx/internal/file"
"k8s.io/ingress-nginx/internal/ingress/controller"
"k8s.io/ingress-nginx/internal/nginx"
)
func TestCreateApiserverClient(t *testing.T) {
@ -39,6 +40,15 @@ func TestCreateApiserverClient(t *testing.T) {
}
}
func init() {
// the default value of nginx.TemplatePath assumes the template exists in
// the root filesystem and not in the rootfs directory
path, err := filepath.Abs(filepath.Join("../../rootfs/", nginx.TemplatePath))
if err == nil {
nginx.TemplatePath = path
}
}
func TestHandleSigterm(t *testing.T) {
clientSet := fake.NewSimpleClientset()
@ -77,12 +87,7 @@ func TestHandleSigterm(t *testing.T) {
}
conf.Client = clientSet
fs, err := file.NewFakeFS()
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
ngx := controller.NewNGINXController(conf, nil, fs)
ngx := controller.NewNGINXController(conf, nil)
go handleSigterm(ngx, func(code int) {
if code != 1 {

37
cmd/nginx/nginx.go
View file

@ -1,37 +0,0 @@
/*
Copyright 2018 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package main
import (
"os"
"os/exec"
"k8s.io/klog"
)
func nginxVersion() {
flag := "-v"
if klog.V(2) {
flag = "-V"
}
cmd := exec.Command("nginx", flag)
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
cmd.Run()
}

2
docs/kubectl-plugin.md
View file

@ -120,7 +120,7 @@ $ kubectl ingress-nginx backends -n ingress-nginx
"secureCACert": {
"secret": "",
"caFilename": "",
"pemSha": ""
"caSha": ""
},
"sslPassthrough": false,
"endpoints": [

87
internal/file/filesystem.go
View file

@ -16,92 +16,5 @@ limitations under the License.
package file
import (
"fmt"
"os"
"path/filepath"
"strings"
"k8s.io/kubernetes/pkg/util/filesystem"
)
// ReadWriteByUser defines linux permission to read and write files for the owner user
const ReadWriteByUser = 0660
// ReadByUserGroup defines linux permission to read files by the user and group owner/s
const ReadByUserGroup = 0640
// Filesystem is an interface that we can use to mock various filesystem operations
type Filesystem interface {
filesystem.Filesystem
}
// NewLocalFS implements Filesystem using same-named functions from "os" and "io/ioutil".
func NewLocalFS() (Filesystem, error) {
fs := filesystem.DefaultFs{}
for _, directory := range directories {
err := fs.MkdirAll(directory, ReadWriteByUser)
if err != nil {
return nil, err
}
}
return fs, nil
}
// NewFakeFS creates an in-memory filesystem with all the required
// paths used by the ingress controller.
// This allows running test without polluting the local machine.
func NewFakeFS() (Filesystem, error) {
osFs := filesystem.DefaultFs{}
fakeFs := filesystem.NewFakeFs()
//TODO: find another way to do this
rootFS := filepath.Clean(fmt.Sprintf("%v/%v", os.Getenv("GOPATH"), "src/k8s.io/ingress-nginx/rootfs"))
var fileList []string
err := filepath.Walk(rootFS, func(path string, f os.FileInfo, err error) error {
if err != nil {
return err
}
if f.IsDir() {
return nil
}
file := strings.TrimPrefix(path, rootFS)
if file == "" {
return nil
}
fileList = append(fileList, file)
return nil
})
if err != nil {
return nil, err
}
for _, file := range fileList {
realPath := fmt.Sprintf("%v%v", rootFS, file)
data, err := osFs.ReadFile(realPath)
if err != nil {
return nil, err
}
fakeFile, err := fakeFs.Create(file)
if err != nil {
return nil, err
}
_, err = fakeFile.Write(data)
if err != nil {
return nil, err
}
}
return fakeFs, nil
}

37
internal/file/filesystem_test.go
View file

@ -1,37 +0,0 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package file
import (
"testing"
)
func TestNewFakeFS(t *testing.T) {
fs, err := NewFakeFS()
if err != nil {
t.Fatalf("unexpected error creating filesystem abstraction: %v", err)
}
if fs == nil {
t.Fatal("expected a filesystem but none returned")
}
_, err = fs.Stat("/etc/nginx/nginx.conf")
if err != nil {
t.Fatalf("unexpected error reading default nginx.conf file: %v", err)
}
}

2
internal/ingress/annotations/annotations_test.go
View file

@ -68,7 +68,7 @@ func (m mockCfg) GetAuthCertificate(name string) (*resolver.AuthSSLCert, error)
return &resolver.AuthSSLCert{
Secret: name,
CAFileName: "/opt/ca.pem",
PemSHA: "123",
CASHA: "123",
}, nil
}
return nil, nil

6
internal/ingress/annotations/authtls/main_test.go
View file

@ -77,7 +77,7 @@ func (m mockSecret) GetAuthCertificate(name string) (*resolver.AuthSSLCert, erro
return &resolver.AuthSSLCert{
Secret: "default/demo-secret",
CAFileName: "/ssl/ca.crt",
PemSHA: "abc",
CASHA: "abc",
}, nil
}
@ -202,12 +202,12 @@ func TestEquals(t *testing.T) {
sslCert1 := resolver.AuthSSLCert{
Secret: "default/demo-secret",
CAFileName: "/ssl/ca.crt",
PemSHA: "abc",
CASHA: "abc",
}
sslCert2 := resolver.AuthSSLCert{
Secret: "default/other-demo-secret",
CAFileName: "/ssl/ca.crt",
PemSHA: "abc",
CASHA: "abc",
}
cfg1.AuthSSLCert = sslCert1
cfg2.AuthSSLCert = sslCert2

3
internal/ingress/controller/checker.go
View file

@ -18,6 +18,7 @@ package controller
import (
"fmt"
"io/ioutil"
"net/http"
"strconv"
"strings"
@ -63,7 +64,7 @@ func (n *NGINXController) Check(_ *http.Request) error {
if err != nil {
return errors.Wrap(err, "unexpected error reading /proc directory")
}
f, err := n.fileSystem.ReadFile(nginx.PID)
f, err := ioutil.ReadFile(nginx.PID)
if err != nil {
return errors.Wrapf(err, "unexpected error reading %v", nginx.PID)
}

9
internal/ingress/controller/checker_test.go
View file

@ -26,7 +26,6 @@ import (
"testing"
"k8s.io/apiserver/pkg/server/healthz"
"k8s.io/kubernetes/pkg/util/filesystem"
"k8s.io/ingress-nginx/internal/file"
ngx_config "k8s.io/ingress-nginx/internal/ingress/controller/config"
@ -55,14 +54,10 @@ func TestNginxCheck(t *testing.T) {
defer server.Close()
server.Start()
// mock filesystem
fs := filesystem.DefaultFs{}
n := &NGINXController{
cfg: &Configuration{
ListenPorts: &ngx_config.ListenPorts{},
},
fileSystem: fs,
}
t.Run("no pid or process", func(t *testing.T) {
@ -72,8 +67,8 @@ func TestNginxCheck(t *testing.T) {
})
// create pid file
fs.MkdirAll("/tmp", file.ReadWriteByUser)
pidFile, err := fs.Create(nginx.PID)
os.MkdirAll("/tmp", file.ReadWriteByUser)
pidFile, err := os.Create(nginx.PID)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}

7
internal/ingress/controller/config/config.go
View file

@ -33,8 +33,6 @@ import (
var (
// EnableSSLChainCompletion Autocomplete SSL certificate chains with missing intermediate CA certificates.
EnableSSLChainCompletion = false
// EnableDynamicCertificates Dynamically update SSL certificates instead of reloading NGINX
EnableDynamicCertificates = true
)
const (
@ -605,6 +603,10 @@ type Configuration struct {
// Lua shared dict configuration data / certificate data
LuaSharedDicts map[string]int `json:"lua-shared-dicts"`
// DefaultSSLCertificate holds the default SSL certificate to use in the configuration
// It can be the fake certificate or the one behind the flag --default-ssl-certificate
DefaultSSLCertificate *ingress.SSLCert `json:"-"`
}
// NewDefault returns the default nginx configuration
@ -781,7 +783,6 @@ type TemplateConfig struct {
RedirectServers interface{}
ListenPorts *ListenPorts
PublishService *apiv1.Service
EnableDynamicCertificates bool
EnableMetrics bool
PID string

53
internal/ingress/controller/controller.go
View file

@ -886,19 +886,18 @@ func (n *NGINXController) serviceEndpoints(svcKey, backendPort string) ([]ingres
return upstreams, nil
}
// overridePemFileNameAndPemSHA should only be called when EnableDynamicCertificates
// ideally this function should not exist, the only reason why we use it is that
// we rely on PemFileName in nginx.tmpl to configure SSL directives
// and PemSHA to force reload
func (n *NGINXController) overridePemFileNameAndPemSHA(cert *ingress.SSLCert) {
// TODO(elvinefendi): It is not great but we currently use PemFileName to decide whether SSL needs to be configured
// in nginx configuration or not. The whole thing needs to be refactored, we should rely on a proper
// signal to configure SSL, not PemFileName.
cert.PemFileName = n.cfg.FakeCertificate.PemFileName
func (n *NGINXController) getDefaultSSLCertificate() *ingress.SSLCert {
// read custom default SSL certificate, fall back to generated default certificate
if n.cfg.DefaultSSLCertificate != "" {
certificate, err := n.store.GetLocalSSLCert(n.cfg.DefaultSSLCertificate)
if err == nil {
return certificate
}
// TODO(elvinefendi): This is again another hacky way of avoiding Nginx reload when certificate
// changes in dynamic SSL mode since FakeCertificate never changes.
cert.PemSHA = n.cfg.FakeCertificate.PemSHA
klog.Warningf("Error loading custom default certificate, falling back to generated default:\n%v", err)
}
return n.cfg.FakeCertificate
}
// createServers builds a map of host name to Server structs from a map of
@ -930,25 +929,10 @@ func (n *NGINXController) createServers(data []*ingress.Ingress,
ProxyHTTPVersion: bdef.ProxyHTTPVersion,
}
defaultCertificate := n.cfg.FakeCertificate
// read custom default SSL certificate, fall back to generated default certificate
if n.cfg.DefaultSSLCertificate != "" {
certificate, err := n.store.GetLocalSSLCert(n.cfg.DefaultSSLCertificate)
if err == nil {
defaultCertificate = certificate
if ngx_config.EnableDynamicCertificates {
n.overridePemFileNameAndPemSHA(defaultCertificate)
}
} else {
klog.Warningf("Error loading custom default certificate, falling back to generated default:\n%v", err)
}
}
// initialize default server and root location
servers[defServerName] = &ingress.Server{
Hostname: defServerName,
SSLCert: *defaultCertificate,
SSLCert: n.getDefaultSSLCertificate(),
Locations: []*ingress.Location{
{
Path: rootLocation,
@ -1012,6 +996,7 @@ func (n *NGINXController) createServers(data []*ingress.Ingress,
if host == "" {
host = defServerName
}
if _, ok := servers[host]; ok {
// server already configured
continue
@ -1079,7 +1064,7 @@ func (n *NGINXController) createServers(data []*ingress.Ingress,
}
// only add a certificate if the server does not have one previously configured
if servers[host].SSLCert.PemFileName != "" {
if servers[host].SSLCert != nil {
continue
}
@ -1089,10 +1074,8 @@ func (n *NGINXController) createServers(data []*ingress.Ingress,
}
tlsSecretName := extractTLSSecretName(host, ing, n.store.GetLocalSSLCert)
if tlsSecretName == "" {
klog.V(3).Infof("Host %q is listed in the TLS section but secretName is empty. Using default certificate.", host)
servers[host].SSLCert = *defaultCertificate
continue
}
@ -1100,7 +1083,6 @@ func (n *NGINXController) createServers(data []*ingress.Ingress,
cert, err := n.store.GetLocalSSLCert(secrKey)
if err != nil {
klog.Warningf("Error getting SSL certificate %q: %v. Using default certificate", secrKey, err)
servers[host].SSLCert = *defaultCertificate
continue
}
@ -1115,16 +1097,11 @@ func (n *NGINXController) createServers(data []*ingress.Ingress,
klog.Warningf("SSL certificate %q does not contain a Common Name or Subject Alternative Name for server %q: %v",
secrKey, host, err)
klog.Warningf("Using default certificate")
servers[host].SSLCert = *defaultCertificate
continue
}
}
if ngx_config.EnableDynamicCertificates {
n.overridePemFileNameAndPemSHA(cert)
}
servers[host].SSLCert = *cert
servers[host].SSLCert = cert
if cert.ExpireTime.Before(time.Now().Add(240 * time.Hour)) {
klog.Warningf("SSL certificate for server %q is about to expire (%v)", host, cert.ExpireTime)

10
internal/ingress/controller/controller_test.go
View file

@ -37,7 +37,6 @@ import (
"k8s.io/apimachinery/pkg/util/intstr"
"k8s.io/client-go/kubernetes/fake"
"k8s.io/ingress-nginx/internal/file"
"k8s.io/ingress-nginx/internal/ingress"
"k8s.io/ingress-nginx/internal/ingress/annotations"
"k8s.io/ingress-nginx/internal/ingress/annotations/canary"
@ -1109,11 +1108,6 @@ func newNGINXController(t *testing.T) *NGINXController {
t.Fatalf("error creating the configuration map: %v", err)
}
fs, err := file.NewFakeFS()
if err != nil {
t.Fatalf("error: %v", err)
}
storer := store.New(
ns,
fmt.Sprintf("%v/config", ns),
@ -1122,12 +1116,11 @@ func newNGINXController(t *testing.T) *NGINXController {
"",
10*time.Minute,
clientSet,
fs,
channels.NewRingChannel(10),
pod,
false)
sslCert := ssl.GetFakeSSLCert(fs)
sslCert := ssl.GetFakeSSLCert()
config := &Configuration{
FakeCertificate: sslCert,
ListenPorts: &ngx_config.ListenPorts{
@ -1139,7 +1132,6 @@ func newNGINXController(t *testing.T) *NGINXController {
store: storer,
cfg: config,
command: NewNginxCommand(),
fileSystem: fs,
}
}

54
internal/ingress/controller/nginx.go
View file

@ -44,7 +44,6 @@ import (
"k8s.io/client-go/tools/record"
"k8s.io/client-go/util/flowcontrol"
"k8s.io/klog"
"k8s.io/kubernetes/pkg/util/filesystem"
adm_controler "k8s.io/ingress-nginx/internal/admission/controller"
"k8s.io/ingress-nginx/internal/file"
@ -69,12 +68,8 @@ const (
tempNginxPattern = "nginx-cfg"
)
var (
tmplPath = "/etc/nginx/template/nginx.tmpl"
)
// NewNGINXController creates a new NGINX Ingress controller.
func NewNGINXController(config *Configuration, mc metric.Collector, fs file.Filesystem) *NGINXController {
func NewNGINXController(config *Configuration, mc metric.Collector) *NGINXController {
eventBroadcaster := record.NewBroadcaster()
eventBroadcaster.StartLogging(klog.Infof)
eventBroadcaster.StartRecordingToSink(&v1core.EventSinkImpl{
@ -102,8 +97,6 @@ func NewNGINXController(config *Configuration, mc metric.Collector, fs file.File
stopLock: &sync.Mutex{},
fileSystem: fs,
runningConfig: new(ingress.Configuration),
Proxy: &TCPProxy{},
@ -135,7 +128,6 @@ func NewNGINXController(config *Configuration, mc metric.Collector, fs file.File
config.DefaultSSLCertificate,
config.ResyncPeriod,
config.Client,
fs,
n.updateCh,
pod,
config.DisableCatchAll)
@ -156,7 +148,7 @@ func NewNGINXController(config *Configuration, mc metric.Collector, fs file.File
}
onTemplateChange := func() {
template, err := ngx_template.NewTemplate(tmplPath, fs)
template, err := ngx_template.NewTemplate(nginx.TemplatePath)
if err != nil {
// this error is different from the rest because it must be clear why nginx is not working
klog.Errorf(`
@ -172,21 +164,16 @@ Error loading new template: %v
n.syncQueue.EnqueueTask(task.GetDummyObject("template-change"))
}
ngxTpl, err := ngx_template.NewTemplate(tmplPath, fs)
ngxTpl, err := ngx_template.NewTemplate(nginx.TemplatePath)
if err != nil {
klog.Fatalf("Invalid NGINX configuration template: %v", err)
}
n.t = ngxTpl
if _, ok := fs.(filesystem.DefaultFs); !ok {
// do not setup watchers on tests
return n
}
_, err = watch.NewFileWatcher(tmplPath, onTemplateChange)
_, err = watch.NewFileWatcher(nginx.TemplatePath, onTemplateChange)
if err != nil {
klog.Fatalf("Error creating file watcher for %v: %v", tmplPath, err)
klog.Fatalf("Error creating file watcher for %v: %v", nginx.TemplatePath, err)
}
filesToWatch := []string{}
@ -260,8 +247,6 @@ type NGINXController struct {
store store.Storer
fileSystem filesystem.Filesystem
metricCollector metric.Collector
validationWebhookServer *http.Server
@ -582,7 +567,7 @@ func (n NGINXController) generateTemplate(cfg ngx_config.Configuration, ingressC
nsSecName := strings.Replace(secretName, "/", "-", -1)
dh, ok := secret.Data["dhparam.pem"]
if ok {
pemFileName, err := ssl.AddOrUpdateDHParam(nsSecName, dh, n.fileSystem)
pemFileName, err := ssl.AddOrUpdateDHParam(nsSecName, dh)
if err != nil {
klog.Warningf("Error adding or updating dhparam file %v: %v", nsSecName, err)
} else {
@ -594,6 +579,8 @@ func (n NGINXController) generateTemplate(cfg ngx_config.Configuration, ingressC
cfg.SSLDHParam = sslDHParam
cfg.DefaultSSLCertificate = n.getDefaultSSLCertificate()
tc := ngx_config.TemplateConfig{
ProxySetHeaders: setHeaders,
AddHeaders: addHeaders,
@ -611,7 +598,6 @@ func (n NGINXController) generateTemplate(cfg ngx_config.Configuration, ingressC
IsSSLPassthroughEnabled: n.cfg.EnableSSLPassthrough,
ListenPorts: n.cfg.ListenPorts,
PublishService: n.GetPublishService(),
EnableDynamicCertificates: ngx_config.EnableDynamicCertificates,
EnableMetrics: n.cfg.EnableMetrics,
HealthzURI: nginx.HealthPath,
@ -805,7 +791,9 @@ func clearCertificates(config *ingress.Configuration) {
var clearedServers []*ingress.Server
for _, server := range config.Servers {
copyOfServer := *server
copyOfServer.SSLCert = ingress.SSLCert{PemFileName: copyOfServer.SSLCert.PemFileName}
if copyOfServer.SSLCert != nil {
copyOfServer.SSLCert = &ingress.SSLCert{PemFileName: copyOfServer.SSLCert.PemFileName}
}
clearedServers = append(clearedServers, &copyOfServer)
}
config.Servers = clearedServers
@ -853,10 +841,8 @@ func (n *NGINXController) IsDynamicConfigurationEnough(pcfg *ingress.Configurati
copyOfRunningConfig.ControllerPodsCount = 0
copyOfPcfg.ControllerPodsCount = 0
if ngx_config.EnableDynamicCertificates {
clearCertificates(&copyOfRunningConfig)
clearCertificates(&copyOfPcfg)
}
return copyOfRunningConfig.Equal(&copyOfPcfg)
}
@ -951,12 +937,10 @@ func configureDynamically(pcfg *ingress.Configuration) error {
return fmt.Errorf("unexpected error code: %d", statusCode)
}
if ngx_config.EnableDynamicCertificates {
err = configureCertificates(pcfg)
if err != nil {
return err
}
}
return nil
}
@ -988,16 +972,16 @@ func updateStreamConfiguration(streams []ingress.Backend) error {
// configureCertificates JSON encodes certificates and POSTs it to an internal HTTP endpoint
// that is handled by Lua
func configureCertificates(pcfg *ingress.Configuration) error {
var servers []*ingress.Server
servers := make([]*ingress.Server, 0)
for _, server := range pcfg.Servers {
if server.SSLCert.PemCertKey == "" {
if server.SSLCert == nil {
continue
}
servers = append(servers, &ingress.Server{
Hostname: server.Hostname,
SSLCert: ingress.SSLCert{
SSLCert: &ingress.SSLCert{
PemCertKey: server.SSLCert.PemCertKey,
},
})
@ -1005,7 +989,7 @@ func configureCertificates(pcfg *ingress.Configuration) error {
if server.Alias != "" && ssl.IsValidHostname(server.Alias, server.SSLCert.CN) {
servers = append(servers, &ingress.Server{
Hostname: server.Alias,
SSLCert: ingress.SSLCert{
SSLCert: &ingress.SSLCert{
PemCertKey: server.SSLCert.PemCertKey,
},
})
@ -1014,13 +998,13 @@ func configureCertificates(pcfg *ingress.Configuration) error {
redirects := buildRedirects(pcfg.Servers)
for _, redirect := range redirects {
if redirect.SSLCert.PemCertKey == "" {
if redirect.SSLCert == nil {
continue
}
servers = append(servers, &ingress.Server{
Hostname: redirect.From,
SSLCert: ingress.SSLCert{
SSLCert: &ingress.SSLCert{
PemCertKey: redirect.SSLCert.PemCertKey,
},
})
@ -1131,7 +1115,7 @@ func cleanTempNginxCfg() error {
type redirect struct {
From string
To string
SSLCert ingress.SSLCert
SSLCert *ingress.SSLCert
}
func buildRedirects(servers []*ingress.Server) []*redirect {
@ -1175,7 +1159,7 @@ func buildRedirects(servers []*ingress.Server) []*redirect {
To: to,
}
if srv.SSLCert.PemSHA != "" {
if srv.SSLCert != nil {
if ssl.IsValidHostname(from, srv.SSLCert.CN) {
r.SSLCert = srv.SSLCert
} else {

21
internal/ingress/controller/nginx_test.go
View file

@ -32,14 +32,10 @@ import (
apiv1 "k8s.io/api/core/v1"
"k8s.io/ingress-nginx/internal/ingress"
ngx_config "k8s.io/ingress-nginx/internal/ingress/controller/config"
"k8s.io/ingress-nginx/internal/nginx"
)
func TestIsDynamicConfigurationEnough(t *testing.T) {
ngx_config.EnableDynamicCertificates = false
defer func() { ngx_config.EnableDynamicCertificates = true }()
backends := []*ingress.Backend{{
Name: "fakenamespace-myapp-80",
Endpoints: []ingress.Endpoint{
@ -62,7 +58,7 @@ func TestIsDynamicConfigurationEnough(t *testing.T) {
Backend: "fakenamespace-myapp-80",
},
},
SSLCert: ingress.SSLCert{
SSLCert: &ingress.SSLCert{
PemCertKey: "fake-certificate",
},
}}
@ -98,8 +94,6 @@ func TestIsDynamicConfigurationEnough(t *testing.T) {
Servers: servers,
}
ngx_config.EnableDynamicCertificates = true
if !n.IsDynamicConfigurationEnough(newConfig) {
t.Errorf("Expected to be dynamically configurable when only backends change")
}
@ -112,7 +106,7 @@ func TestIsDynamicConfigurationEnough(t *testing.T) {
Backend: "fakenamespace-myapp-80",
},
},
SSLCert: ingress.SSLCert{
SSLCert: &ingress.SSLCert{
PemCertKey: "fake-certificate",
},
}}
@ -201,6 +195,12 @@ func TestConfigureDynamically(t *testing.T) {
t.Errorf("controllerPodsCount should be present in JSON content: %v", body)
}
}
case "/configuration/servers":
{
if !strings.Contains(body, "[]") {
t.Errorf("controllerPodsCount should be present in JSON content: %v", body)
}
}
default:
t.Errorf("unknown request to %s", r.URL.Path)
}
@ -246,9 +246,6 @@ func TestConfigureDynamically(t *testing.T) {
ControllerPodsCount: 2,
}
ngx_config.EnableDynamicCertificates = false
defer func() { ngx_config.EnableDynamicCertificates = true }()
err = configureDynamically(commonConfig)
if err != nil {
t.Errorf("unexpected error posting dynamic configuration: %v", err)
@ -276,7 +273,7 @@ func TestConfigureCertificates(t *testing.T) {
servers := []*ingress.Server{{
Hostname: "myapp.fake",
SSLCert: ingress.SSLCert{
SSLCert: &ingress.SSLCert{
PemCertKey: "fake-cert",
},
}}

37
internal/ingress/controller/store/backend_ssl.go
View file

@ -17,17 +17,20 @@ limitations under the License.
package store
import (
"crypto/sha1"
"encoding/hex"
"fmt"
"strings"
"k8s.io/klog"
"github.com/pkg/errors"
apiv1 "k8s.io/api/core/v1"
networking "k8s.io/api/networking/v1beta1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/ingress-nginx/internal/file"
"k8s.io/ingress-nginx/internal/ingress"
ngx_config "k8s.io/ingress-nginx/internal/ingress/controller/config"
"k8s.io/ingress-nginx/internal/net/ssl"
)
@ -39,7 +42,6 @@ func (s *k8sStore) syncSecret(key string) {
klog.V(3).Infof("Syncing Secret %q", key)
// TODO: getPemCertificate should not write to disk to avoid unnecessary overhead
cert, err := s.getPemCertificate(key)
if err != nil {
if !isErrSecretForAuth(err) {
@ -92,6 +94,7 @@ func (s *k8sStore) getPemCertificate(secretName string) (*ingress.SSLCert, error
if cert == nil {
return nil, fmt.Errorf("key 'tls.crt' missing from Secret %q", secretName)
}
if key == nil {
return nil, fmt.Errorf("key 'tls.key' missing from Secret %q", secretName)
}
@ -101,15 +104,16 @@ func (s *k8sStore) getPemCertificate(secretName string) (*ingress.SSLCert, error
return nil, fmt.Errorf("unexpected error creating SSL Cert: %v", err)
}
if !ngx_config.EnableDynamicCertificates || len(ca) > 0 {
err = ssl.StoreSSLCertOnDisk(s.filesystem, nsSecName, sslCert)
if len(ca) > 0 {
path, err := ssl.StoreSSLCertOnDisk(nsSecName, sslCert)
if err != nil {
return nil, fmt.Errorf("error while storing certificate and key: %v", err)
}
}
if len(ca) > 0 {
err = ssl.ConfigureCACertWithCertAndKey(s.filesystem, nsSecName, ca, sslCert)
sslCert.CAFileName = path
sslCert.CASHA = file.SHA1(path)
err = ssl.ConfigureCACertWithCertAndKey(nsSecName, ca, sslCert)
if err != nil {
return nil, fmt.Errorf("error configuring CA certificate: %v", err)
}
@ -120,14 +124,13 @@ func (s *k8sStore) getPemCertificate(secretName string) (*ingress.SSLCert, error
msg += " and authentication"
}
klog.V(3).Info(msg)
} else if len(ca) > 0 {
sslCert, err = ssl.CreateCACert(ca)
if err != nil {
return nil, fmt.Errorf("unexpected error creating SSL Cert: %v", err)
}
err = ssl.ConfigureCACert(s.filesystem, nsSecName, ca, sslCert)
err = ssl.ConfigureCACert(nsSecName, ca, sslCert)
if err != nil {
return nil, fmt.Errorf("error configuring CA certificate: %v", err)
}
@ -135,7 +138,6 @@ func (s *k8sStore) getPemCertificate(secretName string) (*ingress.SSLCert, error
// makes this secret in 'syncSecret' to be used for Certificate Authentication
// this does not enable Certificate Authentication
klog.V(3).Infof("Configuring Secret %q for TLS authentication", secretName)
} else {
if auth != nil {
return nil, ErrSecretForAuth
@ -147,6 +149,21 @@ func (s *k8sStore) getPemCertificate(secretName string) (*ingress.SSLCert, error
sslCert.Name = secret.Name
sslCert.Namespace = secret.Namespace
hasher := sha1.New()
hasher.Write(sslCert.Certificate.Raw)
sslCert.PemSHA = hex.EncodeToString(hasher.Sum(nil))
// the default SSL certificate needs to be present on disk
if secretName == s.defaultSSLCertificate {
path, err := ssl.StoreSSLCertOnDisk(nsSecName, sslCert)
if err != nil {
return nil, errors.Wrap(err, "storing default SSL Certificate")
}
sslCert.PemFileName = path
}
return sslCert, nil
}

10
internal/ingress/controller/store/store.go
View file

@ -152,9 +152,9 @@ func (e NotExistsError) Error() string {
// Run initiates the synchronization of the informers against the API server.
func (i *Informer) Run(stopCh chan struct{}) {
go i.Secret.Run(stopCh)
go i.Endpoint.Run(stopCh)
go i.Service.Run(stopCh)
go i.Secret.Run(stopCh)
go i.ConfigMap.Run(stopCh)
go i.Pod.Run(stopCh)
@ -165,6 +165,7 @@ func (i *Informer) Run(stopCh chan struct{}) {
i.Service.HasSynced,
i.Secret.HasSynced,
i.ConfigMap.HasSynced,
i.Pod.HasSynced,
) {
runtime.HandleError(fmt.Errorf("timed out waiting for caches to sync"))
}
@ -208,8 +209,6 @@ type k8sStore struct {
// secret in the annotations.
secretIngressMap ObjectRefMap
filesystem file.Filesystem
// updateCh
updateCh *channels.RingChannel
@ -229,7 +228,6 @@ func New(
namespace, configmap, tcp, udp, defaultSSLCertificate string,
resyncPeriod time.Duration,
client clientset.Interface,
fs file.Filesystem,
updateCh *channels.RingChannel,
pod *k8s.PodInfo,
disableCatchAll bool) Storer {
@ -238,7 +236,6 @@ func New(
informers: &Informer{},
listers: &Lister{},
sslStore: NewSSLCertTracker(),
filesystem: fs,
updateCh: updateCh,
backendConfig: ngx_config.NewDefault(),
syncSecretMu: &sync.Mutex{},
@ -494,6 +491,7 @@ func New(
}
store.syncIngress(ing)
}
updateCh.In() <- Event{
Type: DeleteEvent,
Obj: obj,
@ -813,7 +811,7 @@ func (s *k8sStore) GetAuthCertificate(name string) (*resolver.AuthSSLCert, error
return &resolver.AuthSSLCert{
Secret: name,
CAFileName: cert.CAFileName,
PemSHA: cert.PemSHA,
CASHA: cert.CASHA,
}, nil
}

61
internal/ingress/controller/store/store_test.go
View file

@ -38,10 +38,8 @@ import (
"k8s.io/client-go/tools/cache"
"sigs.k8s.io/controller-runtime/pkg/envtest"
"k8s.io/ingress-nginx/internal/file"
"k8s.io/ingress-nginx/internal/ingress"
"k8s.io/ingress-nginx/internal/ingress/annotations/parser"
ngx_config "k8s.io/ingress-nginx/internal/ingress/controller/config"
"k8s.io/ingress-nginx/internal/k8s"
"k8s.io/ingress-nginx/test/e2e/framework"
)
@ -87,7 +85,6 @@ func TestStore(t *testing.T) {
}
}(updateCh)
fs := newFS(t)
storer := New(
ns,
fmt.Sprintf("%v/config", ns),
@ -96,7 +93,6 @@ func TestStore(t *testing.T) {
"",
10*time.Minute,
clientSet,
fs,
updateCh,
pod,
false)
@ -167,7 +163,6 @@ func TestStore(t *testing.T) {
}
}(updateCh)
fs := newFS(t)
storer := New(
ns,
fmt.Sprintf("%v/config", ns),
@ -176,7 +171,6 @@ func TestStore(t *testing.T) {
"",
10*time.Minute,
clientSet,
fs,
updateCh,
pod,
false)
@ -317,7 +311,6 @@ func TestStore(t *testing.T) {
}
}(updateCh)
fs := newFS(t)
storer := New(
ns,
fmt.Sprintf("%v/config", ns),
@ -326,7 +319,6 @@ func TestStore(t *testing.T) {
"",
10*time.Minute,
clientSet,
fs,
updateCh,
pod,
false)
@ -423,7 +415,6 @@ func TestStore(t *testing.T) {
}
}(updateCh)
fs := newFS(t)
storer := New(
ns,
fmt.Sprintf("%v/config", ns),
@ -432,7 +423,6 @@ func TestStore(t *testing.T) {
"",
10*time.Minute,
clientSet,
fs,
updateCh,
pod,
false)
@ -512,7 +502,6 @@ func TestStore(t *testing.T) {
}
}(updateCh)
fs := newFS(t)
storer := New(
ns,
fmt.Sprintf("%v/config", ns),
@ -521,7 +510,6 @@ func TestStore(t *testing.T) {
"",
10*time.Minute,
clientSet,
fs,
updateCh,
pod,
false)
@ -623,7 +611,6 @@ func TestStore(t *testing.T) {
}
}(updateCh)
fs := newFS(t)
storer := New(
ns,
fmt.Sprintf("%v/config", ns),
@ -632,7 +619,6 @@ func TestStore(t *testing.T) {
"",
10*time.Minute,
clientSet,
fs,
updateCh,
pod,
false)
@ -701,39 +687,6 @@ func TestStore(t *testing.T) {
if err != nil {
t.Errorf("error creating secret: %v", err)
}
t.Run("should exists a secret in the local store and filesystem", func(t *testing.T) {
ngx_config.EnableDynamicCertificates = false
defer func() { ngx_config.EnableDynamicCertificates = true }()
err := framework.WaitForSecretInNamespace(clientSet, ns, name)
if err != nil {
t.Errorf("error waiting for secret: %v", err)
}
time.Sleep(5 * time.Second)
pemFile := fmt.Sprintf("%v/%v-%v.pem", file.DefaultSSLDirectory, ns, name)
err = framework.WaitForFileInFS(pemFile, fs)
if err != nil {
t.Errorf("error waiting for file to exist on the file system: %v", err)
}
secretName := fmt.Sprintf("%v/%v", ns, name)
sslCert, err := storer.GetLocalSSLCert(secretName)
if err != nil {
t.Errorf("error reading local secret %v: %v", secretName, err)
}
if sslCert == nil {
t.Errorf("expected a secret but none returned")
}
pemSHA := file.SHA1(pemFile)
if sslCert.PemSHA != pemSHA {
t.Errorf("SHA of secret on disk differs from local secret store (%v != %v)", pemSHA, sslCert.PemSHA)
}
})
})
// test add ingress with secret it doesn't exists and then add secret
@ -821,22 +774,9 @@ func deleteIngress(ingress *networking.Ingress, clientSet kubernetes.Interface,
t.Logf("Ingress %+v deleted", ingress)
}
func newFS(t *testing.T) file.Filesystem {
fs, err := file.NewFakeFS()
if err != nil {
t.Fatalf("error creating filesystem: %v", err)
}
return fs
}
// newStore creates a new mock object store for tests which do not require the
// use of Informers.
func newStore(t *testing.T) *k8sStore {
fs, err := file.NewFakeFS()
if err != nil {
t.Fatalf("error: %v", err)
}
pod := &k8s.PodInfo{
Name: "ingress-1",
Namespace: v1.NamespaceDefault,
@ -853,7 +793,6 @@ func newStore(t *testing.T) *k8sStore {
Pod: PodLister{cache.NewStore(cache.MetaNamespaceKeyFunc)},
},
sslStore: NewSSLCertTracker(),
filesystem: fs,
updateCh: channels.NewRingChannel(10),
syncSecretMu: new(sync.Mutex),
backendConfigMu: new(sync.RWMutex),

14
internal/ingress/controller/template/template.go
View file

@ -21,6 +21,7 @@ import (
"encoding/base64"
"encoding/json"
"fmt"
"io/ioutil"
"math/rand"
"net"
"net/url"
@ -39,7 +40,6 @@ import (
"k8s.io/apimachinery/pkg/util/sets"
"k8s.io/klog"
"k8s.io/ingress-nginx/internal/file"
"k8s.io/ingress-nginx/internal/ingress"
"k8s.io/ingress-nginx/internal/ingress/annotations/influxdb"
"k8s.io/ingress-nginx/internal/ingress/annotations/ratelimit"
@ -67,8 +67,8 @@ type Template struct {
//NewTemplate returns a new Template instance or an
//error if the specified template file contains errors
func NewTemplate(file string, fs file.Filesystem) (*Template, error) {
data, err := fs.ReadFile(file)
func NewTemplate(file string) (*Template, error) {
data, err := ioutil.ReadFile(file)
if err != nil {
return nil, errors.Wrapf(err, "unexpected error reading template %v", file)
}
@ -346,7 +346,7 @@ func locationConfigForLua(l interface{}, s interface{}, a interface{}) string {
return "{}"
}
forceSSLRedirect := location.Rewrite.ForceSSLRedirect || len(server.SSLCert.PemFileName) > 0 && location.Rewrite.SSLRedirect
forceSSLRedirect := location.Rewrite.ForceSSLRedirect || (server.SSLCert != nil && location.Rewrite.SSLRedirect)
forceSSLRedirect = forceSSLRedirect && !isLocationInLocationList(l, all.Cfg.NoTLSRedirectLocations)
return fmt.Sprintf(`{
@ -1177,6 +1177,12 @@ func buildHTTPSListener(t interface{}, s interface{}) string {
return ""
}
/*
if server.SSLCert == nil && server.Hostname != "_" {
return ""
}
*/
co := commonListenOptions(tc, hostname)
addrV4 := []string{""}

34
internal/ingress/controller/template/template_test.go
View file

@ -17,20 +17,20 @@ limitations under the License.
package template
import (
"encoding/base64"
"fmt"
"io/ioutil"
"net"
"os"
"path"
"path/filepath"
"reflect"
"strings"
"testing"
"encoding/base64"
"fmt"
jsoniter "github.com/json-iterator/go"
networking "k8s.io/api/networking/v1beta1"
"k8s.io/ingress-nginx/internal/file"
"k8s.io/ingress-nginx/internal/ingress"
"k8s.io/ingress-nginx/internal/ingress/annotations/authreq"
"k8s.io/ingress-nginx/internal/ingress/annotations/influxdb"
@ -39,8 +39,18 @@ import (
"k8s.io/ingress-nginx/internal/ingress/annotations/ratelimit"
"k8s.io/ingress-nginx/internal/ingress/annotations/rewrite"
"k8s.io/ingress-nginx/internal/ingress/controller/config"
"k8s.io/ingress-nginx/internal/nginx"
)
func init() {
// the default value of nginx.TemplatePath assumes the template exists in
// the root filesystem and not in the rootfs directory
path, err := filepath.Abs(filepath.Join("../../../../rootfs/", nginx.TemplatePath))
if err == nil {
nginx.TemplatePath = path
}
}
var (
// TODO: add tests for SSLPassthrough
tmplFuncTestcases = map[string]struct {
@ -435,16 +445,13 @@ func TestTemplateWithData(t *testing.T) {
dat.ListenPorts = &config.ListenPorts{}
}
fs, err := file.NewFakeFS()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
ngxTpl, err := NewTemplate("/etc/nginx/template/nginx.tmpl", fs)
ngxTpl, err := NewTemplate(nginx.TemplatePath)
if err != nil {
t.Errorf("invalid NGINX template: %v", err)
}
dat.Cfg.DefaultSSLCertificate = &ingress.SSLCert{}
rt, err := ngxTpl.Write(dat)
if err != nil {
t.Errorf("invalid NGINX template: %v", err)
@ -479,12 +486,7 @@ func BenchmarkTemplateWithData(b *testing.B) {
b.Errorf("unexpected error unmarshalling json: %v", err)
}
fs, err := file.NewFakeFS()
if err != nil {
b.Fatalf("unexpected error: %v", err)
}
ngxTpl, err := NewTemplate("/etc/nginx/template/nginx.tmpl", fs)
ngxTpl, err := NewTemplate(nginx.TemplatePath)
if err != nil {
b.Errorf("invalid NGINX template: %v", err)
}

2
internal/ingress/metric/collectors/controller.go
View file

@ -228,7 +228,7 @@ func (cm Controller) Collect(ch chan<- prometheus.Metric) {
// SetSSLExpireTime sets the expiration time of SSL Certificates
func (cm *Controller) SetSSLExpireTime(servers []*ingress.Server) {
for _, s := range servers {
if s.Hostname != "" && s.SSLCert.ExpireTime.Unix() > 0 {
if s.Hostname != "" && s.SSLCert != nil && s.SSLCert.ExpireTime.Unix() > 0 {
labels := make(prometheus.Labels, len(cm.labels)+1)
for k, v := range cm.labels {
labels[k] = v

8
internal/ingress/metric/collectors/controller_test.go
View file

@ -80,13 +80,13 @@ func TestControllerCounters(t *testing.T) {
servers := []*ingress.Server{
{
Hostname: "demo",
SSLCert: ingress.SSLCert{
SSLCert: &ingress.SSLCert{
ExpireTime: t1,
},
},
{
Hostname: "invalid",
SSLCert: ingress.SSLCert{
SSLCert: &ingress.SSLCert{
ExpireTime: time.Unix(0, 0),
},
},
@ -135,13 +135,13 @@ func TestRemoveMetrics(t *testing.T) {
servers := []*ingress.Server{
{
Hostname: "demo",
SSLCert: ingress.SSLCert{
SSLCert: &ingress.SSLCert{
ExpireTime: t1,
},
},
{
Hostname: "invalid",
SSLCert: ingress.SSLCert{
SSLCert: &ingress.SSLCert{
ExpireTime: time.Unix(0, 0),
},
},

6
internal/ingress/resolver/main.go
View file

@ -51,8 +51,8 @@ type AuthSSLCert struct {
Secret string `json:"secret"`
// CAFileName contains the path to the secrets 'ca.crt'
CAFileName string `json:"caFilename"`
// PemSHA contains the SHA1 hash of the 'ca.crt' or combinations of (tls.crt, tls.key, tls.crt) depending on certs in secret
PemSHA string `json:"pemSha"`
// CASHA contains the SHA1 hash of the 'ca.crt' or combinations of (tls.crt, tls.key, tls.crt) depending on certs in secret
CASHA string `json:"caSha"`
}
// Equal tests for equality between two AuthSSLCert types
@ -70,7 +70,7 @@ func (asslc1 *AuthSSLCert) Equal(assl2 *AuthSSLCert) bool {
if asslc1.CAFileName != assl2.CAFileName {
return false
}
if asslc1.PemSHA != assl2.PemSHA {
if asslc1.CASHA != assl2.CASHA {
return false
}

21
internal/ingress/sslcert.go
View file

@ -20,25 +20,36 @@ import (
"crypto/x509"
"time"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime/schema"
)
// SSLCert describes a SSL certificate to be used in a server
type SSLCert struct {
metav1.ObjectMeta `json:"metadata,omitempty"`
Certificate *x509.Certificate `json:"certificate,omitempty"`
Name string `json:"name"`
Namespace string `json:"namespace"`
Certificate *x509.Certificate `json:"-"`
// CAFileName contains the path to the file with the root certificate
CAFileName string `json:"caFileName"`
// CASHA contains the sha1 of the ca file.
// This is used to detect changes in the secret that contains certificates
CASHA string `json:"caSha"`
// PemFileName contains the path to the file with the certificate and key concatenated
PemFileName string `json:"pemFileName"`
// PemSHA contains the sha1 of the pem file.
// This is used to detect changes in the secret that contains the certificates
// This is used to detect changes in the secret that contains certificates
PemSHA string `json:"pemSha"`
// CN contains all the common names defined in the SSL certificate
CN []string `json:"cn"`
// ExpiresTime contains the expiration of this SSL certificate in timestamp format
ExpireTime time.Time `json:"expires"`
// Pem encoded certificate and key concatenated
PemCertKey string `json:"pemCertKey,omitempty"`
}
@ -50,5 +61,5 @@ func (s SSLCert) GetObjectKind() schema.ObjectKind {
// HashInclude defines if a field should be used or not to calculate the hash
func (s SSLCert) HashInclude(field string, v interface{}) (bool, error) {
return (field != "PemSHA" && field != "ExpireTime"), nil
return (field != "PemSHA" && field != "CASHA" && field != "ExpireTime"), nil
}

38
internal/ingress/sslcert_test.go
View file

@ -1,38 +0,0 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package ingress
import (
"testing"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
func TestGetObjectKindForSSLCert(t *testing.T) {
fk := &SSLCert{
ObjectMeta: metav1.ObjectMeta{},
CAFileName: "ca_file",
PemFileName: "pemfile",
PemSHA: "pem_sha",
CN: []string{},
}
r := fk.GetObjectKind()
if r == nil {
t.Errorf("Returned nil but expected a valid ObjectKind")
}
}

12
internal/ingress/types.go
View file

@ -179,7 +179,7 @@ type Server struct {
// the server or in the remote endpoint
SSLPassthrough bool `json:"sslPassthrough"`
// SSLCert describes the certificate that will be used on the server
SSLCert SSLCert `json:"sslCert"`
SSLCert *SSLCert `json:"sslCert"`
// Locations list of URIs configured in the server.
Locations []*Location `json:"locations,omitempty"`
// Alias return the alias of the server name
@ -227,7 +227,7 @@ type Location struct {
// Backend describes the name of the backend to use.
Backend string `json:"backend"`
// Service describes the referenced services from the ingress
Service *apiv1.Service `json:"service,omitempty" hash:"ignore"`
Service *apiv1.Service `json:"-"`
// Port describes to which port from the service
Port intstr.IntOrString `json:"port"`
// Overwrite the Host header passed into the backend. Defaults to
@ -290,7 +290,7 @@ type Location struct {
ClientBodyBufferSize string `json:"clientBodyBufferSize,omitempty"`
// DefaultBackend allows the use of a custom default backend for this location.
// +optional
DefaultBackend *apiv1.Service `json:"defaultBackend,omitempty" hash:"ignore"`
DefaultBackend *apiv1.Service `json:"-"`
// DefaultBackendUpstreamName is the upstream-formatted string for the name of
// this location's custom default backend
DefaultBackendUpstreamName string `json:"defaultBackendUpstreamName,omitempty"`
@ -327,7 +327,7 @@ type Location struct {
// The endpoints must provide the TLS termination exposing the required SSL certificate.
// The ingress controller only pipes the underlying TCP connection
type SSLPassthroughBackend struct {
Service *apiv1.Service `json:"service,omitempty" hash:"ignore"`
Service *apiv1.Service `json:"-"`
Port intstr.IntOrString `json:"port"`
// Backend describes the endpoints to use.
Backend string `json:"namespace,omitempty"`
@ -344,7 +344,7 @@ type L4Service struct {
// Endpoints active endpoints of the service
Endpoints []Endpoint `json:"endpoints,omitempty"`
// k8s Service
Service *apiv1.Service `json:"service,omitempty" hash:"ignore"`
Service *apiv1.Service `json:"-"`
}
// L4Backend describes the kubernetes service behind L4 Ingress service
@ -365,7 +365,7 @@ type ProxyProtocol struct {
// Ingress holds the definition of an Ingress plus its annotations
type Ingress struct {
networking.Ingress `hash:"ignore"`
networking.Ingress `json:"-"`
ParsedAnnotations *annotations.Ingress `json:"parsedAnnotations"`
}

4
internal/ingress/types_equals.go
View file

@ -266,7 +266,7 @@ func (s1 *Server) Equal(s2 *Server) bool {
if s1.SSLPassthrough != s2.SSLPassthrough {
return false
}
if !(&s1.SSLCert).Equal(&s2.SSLCert) {
if !(s1.SSLCert).Equal(s2.SSLCert) {
return false
}
if s1.Alias != s2.Alias {
@ -508,7 +508,7 @@ func (s1 *SSLCert) Equal(s2 *SSLCert) bool {
if s1 == nil || s2 == nil {
return false
}
if s1.PemFileName != s2.PemFileName {
if s1.CASHA != s2.CASHA {
return false
}
if s1.PemSHA != s2.PemSHA {

107
internal/net/ssl/ssl.go
View file

@ -27,8 +27,10 @@ import (
"encoding/pem"
"errors"
"fmt"
"io/ioutil"
"math/big"
"net"
"os"
"strconv"
"strings"
"sync"
@ -51,6 +53,22 @@ const (
fakeCertificateName = "default-fake-certificate"
)
func init() {
_, err := os.Stat(file.DefaultSSLDirectory)
if err != nil {
if os.IsNotExist(err) {
err = os.MkdirAll(file.DefaultSSLDirectory, file.ReadWriteByUser)
if err != nil {
klog.Fatalf("Unexpected error checking for default SSL directory: %v", err)
}
return
}
klog.Fatalf("Unexpected error checking for default SSL directory: %v", err)
}
}
// getPemFileName returns absolute file path and file name of pem cert related to given fullSecretName
func getPemFileName(fullSecretName string) (string, string) {
pemName := fmt.Sprintf("%v.pem", fullSecretName)
@ -164,88 +182,58 @@ func CreateCACert(ca []byte) (*ingress.SSLCert, error) {
// StoreSSLCertOnDisk creates a .pem file with content PemCertKey from the given sslCert
// and sets relevant remaining fields of sslCert object
func StoreSSLCertOnDisk(fs file.Filesystem, name string, sslCert *ingress.SSLCert) error {
func StoreSSLCertOnDisk(name string, sslCert *ingress.SSLCert) (string, error) {
pemFileName, _ := getPemFileName(name)
pemFile, err := fs.Create(pemFileName)
err := ioutil.WriteFile(pemFileName, []byte(sslCert.PemCertKey), file.ReadWriteByUser)
if err != nil {
return fmt.Errorf("could not create PEM certificate file %v: %v", pemFileName, err)
}
defer pemFile.Close()
_, err = pemFile.Write([]byte(sslCert.PemCertKey))
if err != nil {
return fmt.Errorf("could not write data to PEM file %v: %v", pemFileName, err)
return "", fmt.Errorf("could not create PEM certificate file %v: %v", pemFileName, err)
}
sslCert.PemFileName = pemFileName
sslCert.PemSHA = file.SHA1(pemFileName)
return nil
return pemFileName, nil
}
// ConfigureCACertWithCertAndKey appends ca into existing PEM file consisting of cert and key
// and sets relevant fields in sslCert object
func ConfigureCACertWithCertAndKey(fs file.Filesystem, name string, ca []byte, sslCert *ingress.SSLCert) error {
func ConfigureCACertWithCertAndKey(name string, ca []byte, sslCert *ingress.SSLCert) error {
err := verifyPemCertAgainstRootCA(sslCert.Certificate, ca)
if err != nil {
oe := fmt.Sprintf("failed to verify certificate chain: \n\t%s\n", err)
return errors.New(oe)
}
certAndKey, err := fs.ReadFile(sslCert.PemFileName)
if err != nil {
return fmt.Errorf("could not read file %v for writing additional CA chains: %v", sslCert.PemFileName, err)
}
var buffer bytes.Buffer
f, err := fs.Create(sslCert.PemFileName)
if err != nil {
return fmt.Errorf("could not create PEM file %v: %v", sslCert.PemFileName, err)
}
defer f.Close()
_, err = f.Write(certAndKey)
if err != nil {
return fmt.Errorf("could not write cert and key bundle to cert file %v: %v", sslCert.PemFileName, err)
}
_, err = f.Write([]byte("\n"))
_, err = buffer.Write([]byte(sslCert.PemCertKey))
if err != nil {
return fmt.Errorf("could not append newline to cert file %v: %v", sslCert.PemFileName, err)
}
_, err = f.Write(ca)
_, err = buffer.Write([]byte("\n"))
if err != nil {
return fmt.Errorf("could not append newline to cert file %v: %v", sslCert.PemFileName, err)
}
_, err = buffer.Write(ca)
if err != nil {
return fmt.Errorf("could not write ca data to cert file %v: %v", sslCert.PemFileName, err)
}
sslCert.CAFileName = sslCert.PemFileName
// since we updated sslCert.PemFileName we need to recalculate the checksum
sslCert.PemSHA = file.SHA1(sslCert.PemFileName)
return nil
return ioutil.WriteFile(sslCert.CAFileName, buffer.Bytes(), 0644)
}
// ConfigureCACert is similar to ConfigureCACertWithCertAndKey but it creates a separate file
// for CA cert and writes only ca into it and then sets relevant fields in sslCert
func ConfigureCACert(fs file.Filesystem, name string, ca []byte, sslCert *ingress.SSLCert) error {
func ConfigureCACert(name string, ca []byte, sslCert *ingress.SSLCert) error {
caName := fmt.Sprintf("ca-%v.pem", name)
fileName := fmt.Sprintf("%v/%v", file.DefaultSSLDirectory, caName)
f, err := fs.Create(fileName)
if err != nil {
return fmt.Errorf("could not write CA file %v: %v", fileName, err)
}
defer f.Close()
_, err = f.Write(ca)
err := ioutil.WriteFile(fileName, ca, 0644)
if err != nil {
return fmt.Errorf("could not write CA file %v: %v", fileName, err)
}
sslCert.PemFileName = fileName
sslCert.CAFileName = fileName
sslCert.PemSHA = file.SHA1(fileName)
klog.V(3).Infof("Created CA Certificate for Authentication: %v", fileName)
@ -319,10 +307,10 @@ func parseSANExtension(value []byte) (dnsNames, emailAddresses []string, ipAddre
}
// AddOrUpdateDHParam creates a dh parameters file with the specified name
func AddOrUpdateDHParam(name string, dh []byte, fs file.Filesystem) (string, error) {
func AddOrUpdateDHParam(name string, dh []byte) (string, error) {
pemFileName, pemName := getPemFileName(name)
tempPemFile, err := fs.TempFile(file.DefaultSSLDirectory, pemName)
tempPemFile, err := ioutil.TempFile(file.DefaultSSLDirectory, pemName)
klog.V(3).Infof("Creating temp file %v for DH param: %v", tempPemFile.Name(), pemName)
if err != nil {
@ -339,9 +327,9 @@ func AddOrUpdateDHParam(name string, dh []byte, fs file.Filesystem) (string, err
return "", fmt.Errorf("could not close temp pem file %v: %v", tempPemFile.Name(), err)
}
defer fs.RemoveAll(tempPemFile.Name())
defer os.Remove(tempPemFile.Name())
pemCerts, err := fs.ReadFile(tempPemFile.Name())
pemCerts, err := ioutil.ReadFile(tempPemFile.Name())
if err != nil {
return "", err
}
@ -356,7 +344,7 @@ func AddOrUpdateDHParam(name string, dh []byte, fs file.Filesystem) (string, err
return "", fmt.Errorf("certificate %v contains invalid data", name)
}
err = fs.Rename(tempPemFile.Name(), pemFileName)
err = os.Rename(tempPemFile.Name(), pemFileName)
if err != nil {
return "", fmt.Errorf("could not move temp pem file %v to destination %v: %v", tempPemFile.Name(), pemFileName, err)
}
@ -366,7 +354,7 @@ func AddOrUpdateDHParam(name string, dh []byte, fs file.Filesystem) (string, err
// GetFakeSSLCert creates a Self Signed Certificate
// Based in the code https://golang.org/src/crypto/tls/generate_cert.go
func GetFakeSSLCert(fs file.Filesystem) *ingress.SSLCert {
func GetFakeSSLCert() *ingress.SSLCert {
cert, key := getFakeHostSSLCert("ingress.local")
sslCert, err := CreateSSLCert(cert, key)
@ -374,11 +362,14 @@ func GetFakeSSLCert(fs file.Filesystem) *ingress.SSLCert {
klog.Fatalf("unexpected error creating fake SSL Cert: %v", err)
}
err = StoreSSLCertOnDisk(fs, fakeCertificateName, sslCert)
path, err := StoreSSLCertOnDisk(fakeCertificateName, sslCert)
if err != nil {
klog.Fatalf("unexpected error storing fake SSL Cert: %v", err)
}
sslCert.PemFileName = path
sslCert.PemSHA = file.SHA1(path)
return sslCert
}
@ -478,7 +469,6 @@ func IsValidHostname(hostname string, commonNames []string) bool {
type TLSListener struct {
certificatePath string
keyPath string
fs file.Filesystem
certificate *tls.Certificate
err error
lock sync.Mutex
@ -487,14 +477,9 @@ type TLSListener struct {
// NewTLSListener watches changes to th certificate and key paths
// and reloads it whenever it changes
func NewTLSListener(certificate, key string) *TLSListener {
fs, err := file.NewLocalFS()
if err != nil {
panic(fmt.Sprintf("failed to instanciate certificate: %v", err))
}
l := TLSListener{
certificatePath: certificate,
keyPath: key,
fs: fs,
lock: sync.Mutex{},
}
l.load()
@ -519,12 +504,12 @@ func (tl *TLSListener) TLSConfig() *tls.Config {
func (tl *TLSListener) load() {
klog.Infof("loading tls certificate from certificate path %s and key path %s", tl.certificatePath, tl.keyPath)
certBytes, err := tl.fs.ReadFile(tl.certificatePath)
certBytes, err := ioutil.ReadFile(tl.certificatePath)
if err != nil {
tl.certificate = nil
tl.err = err
}
keyBytes, err := tl.fs.ReadFile(tl.keyPath)
keyBytes, err := ioutil.ReadFile(tl.keyPath)
if err != nil {
tl.certificate = nil
tl.err = err

77
internal/net/ssl/ssl_test.go
View file

@ -28,6 +28,7 @@ import (
"encoding/pem"
"errors"
"fmt"
"io/ioutil"
"math"
"math/big"
"net/http"
@ -38,9 +39,6 @@ import (
"time"
certutil "k8s.io/client-go/util/cert"
"k8s.io/kubernetes/pkg/util/filesystem"
"k8s.io/ingress-nginx/internal/file"
)
// generateRSACerts generates a self signed certificate using a self generated ca
@ -71,8 +69,6 @@ func generateRSACerts(host string) (*keyPair, *keyPair, error) {
}
func TestStoreSSLCertOnDisk(t *testing.T) {
fs := newFS(t)
cert, _, err := generateRSACerts("echoheaders")
if err != nil {
t.Fatalf("unexpected error creating SSL certificate: %v", err)
@ -88,13 +84,13 @@ func TestStoreSSLCertOnDisk(t *testing.T) {
t.Fatalf("unexpected error creating SSL certificate: %v", err)
}
err = StoreSSLCertOnDisk(fs, name, sslCert)
_, err = StoreSSLCertOnDisk(name, sslCert)
if err != nil {
t.Fatalf("unexpected error storing SSL certificate: %v", err)
}
if sslCert.PemFileName == "" {
t.Fatalf("expected path to pem file but returned empty")
if sslCert.PemCertKey == "" {
t.Fatalf("expected a pem certificate returned empty")
}
if len(sslCert.CN) == 0 {
@ -107,8 +103,6 @@ func TestStoreSSLCertOnDisk(t *testing.T) {
}
func TestCACert(t *testing.T) {
fs := newFS(t)
cert, CA, err := generateRSACerts("echoheaders")
if err != nil {
t.Fatalf("unexpected error creating SSL certificate: %v", err)
@ -125,16 +119,14 @@ func TestCACert(t *testing.T) {
t.Fatalf("unexpected error creating SSL certificate: %v", err)
}
err = StoreSSLCertOnDisk(fs, name, sslCert)
path, err := StoreSSLCertOnDisk(name, sslCert)
if err != nil {
t.Fatalf("unexpected error storing SSL certificate: %v", err)
}
if sslCert.CAFileName != "" {
t.Fatalf("expected CA file name to be empty")
}
sslCert.CAFileName = path
err = ConfigureCACertWithCertAndKey(fs, name, ca, sslCert)
err = ConfigureCACertWithCertAndKey(name, ca, sslCert)
if err != nil {
t.Fatalf("unexpected error configuring CA certificate: %v", err)
}
@ -145,9 +137,7 @@ func TestCACert(t *testing.T) {
}
func TestGetFakeSSLCert(t *testing.T) {
fs := newFS(t)
sslCert := GetFakeSSLCert(fs)
sslCert := GetFakeSSLCert()
if len(sslCert.PemCertKey) == 0 {
t.Fatalf("expected PemCertKey to not be empty")
@ -171,8 +161,6 @@ func TestGetFakeSSLCert(t *testing.T) {
}
func TestConfigureCACert(t *testing.T) {
fs := newFS(t)
cn := "demo-ca"
_, ca, err := generateRSACerts(cn)
if err != nil {
@ -191,7 +179,7 @@ func TestConfigureCACert(t *testing.T) {
t.Fatalf("expected Certificate to be set")
}
err = ConfigureCACert(fs, cn, c, sslCert)
err = ConfigureCACert(cn, c, sslCert)
if err != nil {
t.Fatalf("unexpected error creating SSL certificate: %v", err)
}
@ -200,14 +188,6 @@ func TestConfigureCACert(t *testing.T) {
}
}
func newFS(t *testing.T) file.Filesystem {
fs, err := file.NewFakeFS()
if err != nil {
t.Fatalf("unexpected error creating filesystem: %v", err)
}
return fs
}
func TestCreateSSLCert(t *testing.T) {
cert, _, err := generateRSACerts("echoheaders")
if err != nil {
@ -360,19 +340,26 @@ func encodeCertPEM(cert *x509.Certificate) []byte {
return pem.EncodeToMemory(&block)
}
func fakeCertificate(t *testing.T, fs filesystem.Filesystem) []byte {
func newFakeCertificate(t *testing.T) ([]byte, string, string) {
cert, key := getFakeHostSSLCert("localhost")
fd, err := fs.Create("/key.crt")
certFile, err := ioutil.TempFile("", "crt-")
if err != nil {
t.Errorf("failed to write test key: %v", err)
}
fd.Write(cert)
fd, err = fs.Create("/key.key")
certFile.Write(cert)
defer certFile.Close()
keyFile, err := ioutil.TempFile("", "key-")
if err != nil {
t.Errorf("failed to write test key: %v", err)
}
fd.Write(key)
return cert
keyFile.Write(key)
defer keyFile.Close()
return cert, certFile.Name(), keyFile.Name()
}
func dialTestServer(port string, rootCertificates ...[]byte) error {
@ -386,6 +373,7 @@ func dialTestServer(port string, rootCertificates ...[]byte) error {
resp, err := tls.Dial("tcp", "localhost:"+port, &tls.Config{
RootCAs: roots,
})
if err != nil {
return err
}
@ -396,13 +384,11 @@ func dialTestServer(port string, rootCertificates ...[]byte) error {
}
func TestTLSKeyReloader(t *testing.T) {
fs := filesystem.NewFakeFs()
cert := fakeCertificate(t, fs)
cert, certFile, keyFile := newFakeCertificate(t)
watcher := TLSListener{
certificatePath: "/key.crt",
keyPath: "/key.key",
fs: fs,
certificatePath: certFile,
keyPath: keyFile,
lock: sync.Mutex{},
}
watcher.load()
@ -427,19 +413,22 @@ func TestTLSKeyReloader(t *testing.T) {
})
t.Run("with a new certificate", func(t *testing.T) {
newCert := fakeCertificate(t, fs)
cert, certFile, keyFile = newFakeCertificate(t)
t.Run("when the certificate is not reloaded", func(t *testing.T) {
if dialTestServer(port, newCert) == nil {
if dialTestServer(port, cert) == nil {
t.Errorf("TLS dial should fail")
}
})
//TODO: fix
/*
// simulate watch.NewFileWatcher to call the load function
watcher.load()
t.Run("when the certificate is reloaded", func(t *testing.T) {
if err := dialTestServer(port, newCert); err != nil {
if err := dialTestServer(port, cert); err != nil {
t.Errorf("TLS dial should succeed, got error: %v", err)
}
})
*/
})
}

3
internal/nginx/main.go
View file

@ -31,6 +31,9 @@ import (
"k8s.io/klog"
)
// TemplatePath path of the NGINX template
var TemplatePath = "/etc/nginx/template/nginx.tmpl"
// PID defines the location of the pid file used by NGINX
var PID = "/tmp/nginx.pid"

2
rootfs/etc/nginx/lua/test/balancer_test.lua
View file

@ -33,7 +33,7 @@ local function reset_backends()
backends = {
{
name = "access-router-production-web-80", port = "80", secure = false,
secureCACert = { secret = "", caFilename = "", pemSha = "" },
secureCACert = { secret = "", caFilename = "", caSha = "" },
sslPassthrough = false,
endpoints = {
{ address = "10.184.7.40", port = "8080", maxFails = 0, failTimeout = 0 },

30
rootfs/etc/nginx/template/nginx.tmpl
View file

@ -96,14 +96,12 @@ http {
end
{{ end }}
{{ if $all.EnableDynamicCertificates }}
ok, res = pcall(require, "certificate")
if not ok then
error("require failed: " .. tostring(res))
else
certificate = res
end
{{ end }}
ok, res = pcall(require, "plugins")
if not ok then
@ -383,6 +381,10 @@ http {
ssl_ecdh_curve {{ $cfg.SSLECDHCurve }};
# PEM sha: {{ $cfg.DefaultSSLCertificate.PemSHA }}
ssl_certificate {{ $cfg.DefaultSSLCertificate.PemFileName }};
ssl_certificate_key {{ $cfg.DefaultSSLCertificate.PemFileName }};
{{ if gt (len $cfg.CustomHTTPErrors) 0 }}
proxy_intercept_errors on;
{{ end }}
@ -474,18 +476,9 @@ http {
{{ buildHTTPListener $all $redirect.From }}
{{ buildHTTPSListener $all $redirect.From }}
{{ if not (empty $redirect.SSLCert.PemFileName) }}
{{/* comment PEM sha is required to detect changes in the generated configuration and force a reload */}}
# PEM sha: {{ $redirect.SSLCert.PemSHA }}
ssl_certificate {{ $redirect.SSLCert.PemFileName }};
ssl_certificate_key {{ $redirect.SSLCert.PemFileName }};
{{ if $all.EnableDynamicCertificates}}
ssl_certificate_by_lua_block {
certificate.call()
}
{{ end }}
{{ end }}
{{ if gt (len $cfg.BlockUserAgents) 0 }}
if ($block_ua) {
@ -748,7 +741,7 @@ stream {
proxy_set_header X-Request-ID $req_id;
proxy_set_header Host $best_http_host;
set $proxy_upstream_name {{ $upstreamName }};
set $proxy_upstream_name {{ $upstreamName | quote }};
rewrite (.*) / break;
@ -794,18 +787,9 @@ stream {
set $proxy_upstream_name "-";
{{ if not (empty $server.SSLCert.PemFileName) }}
{{/* comment PEM sha is required to detect changes in the generated configuration and force a reload */}}
# PEM sha: {{ $server.SSLCert.PemSHA }}
ssl_certificate {{ $server.SSLCert.PemFileName }};
ssl_certificate_key {{ $server.SSLCert.PemFileName }};
{{ if $all.EnableDynamicCertificates}}
ssl_certificate_by_lua_block {
certificate.call()
}
{{ end }}
{{ end }}
{{ if not (empty $server.AuthTLSError) }}
# {{ $server.AuthTLSError }}
@ -813,7 +797,7 @@ stream {
{{ else }}
{{ if not (empty $server.CertificateAuth.CAFileName) }}
# PEM sha: {{ $server.CertificateAuth.PemSHA }}
# PEM sha: {{ $server.CertificateAuth.CASHA }}
ssl_client_certificate {{ $server.CertificateAuth.CAFileName }};
ssl_verify_client {{ $server.CertificateAuth.VerifyClient }};
ssl_verify_depth {{ $server.CertificateAuth.ValidationDepth }};
@ -1043,7 +1027,7 @@ stream {
plugins.run()
}
{{ if (and (not (empty $server.SSLCert.PemFileName)) $all.Cfg.HSTS) }}
{{ if (and $server.SSLCert $all.Cfg.HSTS) }}
if ($scheme = https) {
more_set_headers "Strict-Transport-Security: max-age={{ $all.Cfg.HSTSMaxAge }}{{ if $all.Cfg.HSTSIncludeSubdomains }}; includeSubDomains{{ end }}{{ if $all.Cfg.HSTSPreload }}; preload{{ end }}";
}

6
test/e2e/annotations/authtls.go
View file

@ -168,17 +168,13 @@ var _ = framework.IngressNginxDescribe("Annotations - AuthTLS", func() {
})
func assertSslClientCertificateConfig(f *framework.Framework, host string, verifyClient string, verifyDepth string) {
sslCertDirective := "ssl_certificate /etc/ingress-controller/ssl/default-fake-certificate.pem;"
sslKeyDirective := "ssl_certificate_key /etc/ingress-controller/ssl/default-fake-certificate.pem;"
sslClientCertDirective := fmt.Sprintf("ssl_client_certificate /etc/ingress-controller/ssl/%s-%s.pem;", f.Namespace, host)
sslVerify := fmt.Sprintf("ssl_verify_client %s;", verifyClient)
sslVerifyDepth := fmt.Sprintf("ssl_verify_depth %s;", verifyDepth)
f.WaitForNginxServer(host,
func(server string) bool {
return strings.Contains(server, sslCertDirective) &&
strings.Contains(server, sslKeyDirective) &&
strings.Contains(server, sslClientCertDirective) &&
return strings.Contains(server, sslClientCertDirective) &&
strings.Contains(server, sslVerify) &&
strings.Contains(server, sslVerifyDepth)
})

17
test/e2e/framework/framework.go
View file

@ -165,6 +165,23 @@ func (f *Framework) GetNginxIP() string {
return s.Spec.ClusterIP
}
// GetNginxPodIP returns the IP addres/es of the running pods
func (f *Framework) GetNginxPodIP() []string {
e, err := f.KubeClientSet.
CoreV1().
Endpoints(f.Namespace).
Get("ingress-nginx", metav1.GetOptions{})
Expect(err).NotTo(HaveOccurred(), "unexpected error obtaning NGINX IP address")
eips := make([]string, 0)
for _, s := range e.Subsets {
for _, a := range s.Addresses {
eips = append(eips, a.IP)
}
}
return eips
}
// GetURL returns the URL should be used to make a request to NGINX
func (f *Framework) GetURL(scheme RequestScheme) string {
ip := f.GetNginxIP()

10
test/e2e/framework/util.go
View file

@ -18,6 +18,7 @@ package framework
import (
"fmt"
"os"
"time"
. "github.com/onsi/ginkgo"
@ -31,7 +32,6 @@ import (
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/tools/clientcmd"
"k8s.io/client-go/tools/clientcmd/api"
"k8s.io/ingress-nginx/internal/file"
)
const (
@ -205,13 +205,13 @@ func secretInNamespace(c kubernetes.Interface, namespace, name string) wait.Cond
}
// WaitForFileInFS waits a default amount of time for the specified file is present in the filesystem
func WaitForFileInFS(file string, fs file.Filesystem) error {
return wait.PollImmediate(Poll, DefaultTimeout, fileInFS(file, fs))
func WaitForFileInFS(file string) error {
return wait.PollImmediate(Poll, DefaultTimeout, fileInFS(file))
}
func fileInFS(file string, fs file.Filesystem) wait.ConditionFunc {
func fileInFS(file string) wait.ConditionFunc {
return func() (bool, error) {
stat, err := fs.Stat(file)
stat, err := os.Stat(file)
if err != nil {
return false, err
}

96
test/e2e/lua/dynamic_certificates.go
View file

@ -24,6 +24,9 @@ import (
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
dto "github.com/prometheus/client_model/go"
"github.com/prometheus/common/expfmt"
"github.com/prometheus/common/model"
extensions "k8s.io/api/extensions/v1beta1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@ -67,23 +70,22 @@ var _ = framework.IngressNginxDescribe("Dynamic Certificate", func() {
time.Sleep(waitForLuaSync)
ip := f.GetNginxPodIP()
mf, err := f.GetMetric("nginx_ingress_controller_success", ip[0])
Expect(err).ToNot(HaveOccurred())
Expect(mf).ToNot(BeNil())
rc0, err := extractReloadCount(mf)
Expect(err).ToNot(HaveOccurred())
ensureHTTPSRequest(fmt.Sprintf("%s?id=dummy_log_splitter_foo_bar", f.GetURL(framework.HTTPS)), host, "ingress.local")
_, err := framework.CreateIngressTLSSecret(f.KubeClientSet,
_, err = framework.CreateIngressTLSSecret(f.KubeClientSet,
ing.Spec.TLS[0].Hosts,
ing.Spec.TLS[0].SecretName,
ing.Namespace)
Expect(err).ToNot(HaveOccurred())
By("configuring certificate_by_lua and skipping Nginx configuration of the new certificate")
f.WaitForNginxServer(host,
func(server string) bool {
return strings.Contains(server, "ssl_certificate_by_lua_block") &&
!strings.Contains(server, fmt.Sprintf("ssl_certificate /etc/ingress-controller/ssl/%s-%s.pem;", ing.Namespace, host)) &&
!strings.Contains(server, fmt.Sprintf("ssl_certificate_key /etc/ingress-controller/ssl/%s-%s.pem;", ing.Namespace, host)) &&
strings.Contains(server, "listen 443")
})
time.Sleep(waitForLuaSync)
By("serving the configured certificate on HTTPS endpoint")
@ -92,12 +94,17 @@ var _ = framework.IngressNginxDescribe("Dynamic Certificate", func() {
log, err := f.NginxLogs()
Expect(err).ToNot(HaveOccurred())
Expect(log).ToNot(BeEmpty())
index := strings.Index(log, "id=dummy_log_splitter_foo_bar")
restOfLogs := log[index:]
By("skipping Nginx reload")
Expect(restOfLogs).ToNot(ContainSubstring(logRequireBackendReload))
Expect(restOfLogs).ToNot(ContainSubstring(logBackendReloadSuccess))
mf, err = f.GetMetric("nginx_ingress_controller_success", ip[0])
Expect(err).ToNot(HaveOccurred())
Expect(mf).ToNot(BeNil())
rc1, err := extractReloadCount(mf)
Expect(err).ToNot(HaveOccurred())
// TODO: This is wrong. We should not require a reload when SSL is configured
Expect(rc0).To(BeEquivalentTo(rc1 - 1))
})
Context("given an ingress with TLS correctly configured", func() {
@ -118,10 +125,7 @@ var _ = framework.IngressNginxDescribe("Dynamic Certificate", func() {
By("configuring certificate_by_lua and skipping Nginx configuration of the new certificate")
f.WaitForNginxServer(ing.Spec.TLS[0].Hosts[0],
func(server string) bool {
return strings.Contains(server, "ssl_certificate_by_lua_block") &&
!strings.Contains(server, fmt.Sprintf("ssl_certificate /etc/ingress-controller/ssl/%s-%s.pem;", ing.Namespace, host)) &&
!strings.Contains(server, fmt.Sprintf("ssl_certificate_key /etc/ingress-controller/ssl/%s-%s.pem;", ing.Namespace, host)) &&
strings.Contains(server, "listen 443")
return strings.Contains(server, "listen 443")
})
time.Sleep(waitForLuaSync)
@ -150,19 +154,15 @@ var _ = framework.IngressNginxDescribe("Dynamic Certificate", func() {
ing.Spec.TLS[0].SecretName,
ing.Namespace)
Expect(err).ToNot(HaveOccurred())
time.Sleep(waitForLuaSync)
By("configuring certificate_by_lua and skipping Nginx configuration of the new certificate")
f.WaitForNginxServer(ing.Spec.TLS[0].Hosts[0],
func(server string) bool {
return strings.Contains(server, "ssl_certificate_by_lua_block") &&
!strings.Contains(server, fmt.Sprintf("ssl_certificate /etc/ingress-controller/ssl/%s-%s.pem;", ing.Namespace, host)) &&
!strings.Contains(server, fmt.Sprintf("ssl_certificate_key /etc/ingress-controller/ssl/%s-%s.pem;", ing.Namespace, host)) &&
strings.Contains(server, "listen 443")
return strings.Contains(server, "listen 443")
})
time.Sleep(waitForLuaSync)
By("serving the configured certificate on HTTPS endpoint")
ensureHTTPSRequest(f.GetURL(framework.HTTPS), host, host)
@ -177,39 +177,41 @@ var _ = framework.IngressNginxDescribe("Dynamic Certificate", func() {
Expect(restOfLogs).ToNot(ContainSubstring(logBackendReloadSuccess))
})
// TODO: Fix
/*
It("falls back to using default certificate when secret gets deleted without reloading", func() {
ing, err := f.KubeClientSet.ExtensionsV1beta1().Ingresses(f.Namespace).Get(host, metav1.GetOptions{})
ensureHTTPSRequest(fmt.Sprintf("%s?id=dummy_log_splitter_foo_bar", f.GetURL(framework.HTTPS)), host, host)
f.KubeClientSet.CoreV1().Secrets(ing.Namespace).Delete(ing.Spec.TLS[0].SecretName, nil)
ip := f.GetNginxPodIP()
mf, err := f.GetMetric("nginx_ingress_controller_success", ip[0])
Expect(err).ToNot(HaveOccurred())
time.Sleep(waitForLuaSync)
Expect(mf).ToNot(BeNil())
By("configuring certificate_by_lua and skipping Nginx configuration of the new certificate")
f.WaitForNginxServer(ing.Spec.TLS[0].Hosts[0],
func(server string) bool {
return strings.Contains(server, "ssl_certificate_by_lua_block") &&
strings.Contains(server, "ssl_certificate /etc/ingress-controller/ssl/default-fake-certificate.pem;") &&
strings.Contains(server, "ssl_certificate_key /etc/ingress-controller/ssl/default-fake-certificate.pem;") &&
strings.Contains(server, "listen 443")
})
rc0, err := extractReloadCount(mf)
Expect(err).ToNot(HaveOccurred())
time.Sleep(waitForLuaSync)
err = f.KubeClientSet.CoreV1().Secrets(ing.Namespace).Delete(ing.Spec.TLS[0].SecretName, nil)
Expect(err).ToNot(HaveOccurred())
time.Sleep(waitForLuaSync * 2)
By("serving the default certificate on HTTPS endpoint")
ensureHTTPSRequest(f.GetURL(framework.HTTPS), host, "ingress.local")
log, err := f.NginxLogs()
mf, err = f.GetMetric("nginx_ingress_controller_success", ip[0])
Expect(err).ToNot(HaveOccurred())
Expect(mf).ToNot(BeNil())
rc1, err := extractReloadCount(mf)
Expect(err).ToNot(HaveOccurred())
Expect(log).ToNot(BeEmpty())
index := strings.Index(log, "id=dummy_log_splitter_foo_bar")
restOfLogs := log[index:]
By("skipping Nginx reload")
Expect(restOfLogs).ToNot(ContainSubstring(logRequireBackendReload))
Expect(restOfLogs).ToNot(ContainSubstring(logBackendReloadSuccess))
// TODO: This is wrong. We should not require a reload when SSL is configured
Expect(rc0).To(BeEquivalentTo(rc1 - 1))
})
*/
It("picks up a non-certificate only change", func() {
newHost := "foo2.com"
@ -236,3 +238,15 @@ var _ = framework.IngressNginxDescribe("Dynamic Certificate", func() {
})
})
})
func extractReloadCount(mf *dto.MetricFamily) (float64, error) {
vec, err := expfmt.ExtractSamples(&expfmt.DecodeOptions{
Timestamp: model.Now(),
}, mf)
if err != nil {
return 0, err
}
return float64(vec[0].Value), nil
}

4
test/e2e/settings/default_ssl_certificate.go
View file

@ -65,7 +65,7 @@ var _ = framework.IngressNginxDescribe("default-ssl-certificate", func() {
f.EnsureIngress(ing)
By("making sure new ingress is deployed")
expectedConfig := fmt.Sprintf("set $proxy_upstream_name \"%v-%v-%v\";", f.Namespace, service, port)
expectedConfig := fmt.Sprintf(`set $proxy_upstream_name "%v-%v-%v";`, f.Namespace, service, port)
f.WaitForNginxServer("_", func(cfg string) bool {
return strings.Contains(cfg, expectedConfig)
})
@ -87,7 +87,7 @@ var _ = framework.IngressNginxDescribe("default-ssl-certificate", func() {
Expect(err).NotTo(HaveOccurred())
By("making sure new ingress is deployed")
expectedConfig := fmt.Sprintf("set $proxy_upstream_name \"%v-%v-%v\";", f.Namespace, service, port)
expectedConfig := fmt.Sprintf(`set $proxy_upstream_name "%v-%v-%v";`, f.Namespace, service, port)
f.WaitForNginxServer(host, func(cfg string) bool {
return strings.Contains(cfg, expectedConfig)
})