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Add metrics about TLS

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Traefiker Bot 2020-03-05 13:30:05 +01:00 committed by GitHub
parent a6040c623b
commit ad6bf936d5
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GPG key ID: 4AEE18F83AFDEB23
6 changed files with 178 additions and 37 deletions
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22
pkg/metrics/metrics.go
View file

@ -20,11 +20,13 @@ type Registry interface {
// entry point metrics
EntryPointReqsCounter() metrics.Counter
EntryPointReqsTLSCounter() metrics.Counter
EntryPointReqDurationHistogram() metrics.Histogram
EntryPointOpenConnsGauge() metrics.Gauge
// service metrics
ServiceReqsCounter() metrics.Counter
ServiceReqsTLSCounter() metrics.Counter
ServiceReqDurationHistogram() metrics.Histogram
ServiceOpenConnsGauge() metrics.Gauge
ServiceRetriesCounter() metrics.Counter
@ -46,9 +48,11 @@ func NewMultiRegistry(registries []Registry) Registry {
var lastConfigReloadSuccessGauge []metrics.Gauge
var lastConfigReloadFailureGauge []metrics.Gauge
var entryPointReqsCounter []metrics.Counter
var entryPointReqsTLSCounter []metrics.Counter
var entryPointReqDurationHistogram []metrics.Histogram
var entryPointOpenConnsGauge []metrics.Gauge
var serviceReqsCounter []metrics.Counter
var serviceReqsTLSCounter []metrics.Counter
var serviceReqDurationHistogram []metrics.Histogram
var serviceOpenConnsGauge []metrics.Gauge
var serviceRetriesCounter []metrics.Counter
@ -70,6 +74,9 @@ func NewMultiRegistry(registries []Registry) Registry {
if r.EntryPointReqsCounter() != nil {
entryPointReqsCounter = append(entryPointReqsCounter, r.EntryPointReqsCounter())
}
if r.EntryPointReqsTLSCounter() != nil {
entryPointReqsTLSCounter = append(entryPointReqsTLSCounter, r.EntryPointReqsTLSCounter())
}
if r.EntryPointReqDurationHistogram() != nil {
entryPointReqDurationHistogram = append(entryPointReqDurationHistogram, r.EntryPointReqDurationHistogram())
}
@ -79,6 +86,9 @@ func NewMultiRegistry(registries []Registry) Registry {
if r.ServiceReqsCounter() != nil {
serviceReqsCounter = append(serviceReqsCounter, r.ServiceReqsCounter())
}
if r.ServiceReqsTLSCounter() != nil {
serviceReqsTLSCounter = append(serviceReqsTLSCounter, r.ServiceReqsTLSCounter())
}
if r.ServiceReqDurationHistogram() != nil {
serviceReqDurationHistogram = append(serviceReqDurationHistogram, r.ServiceReqDurationHistogram())
}
@ -101,9 +111,11 @@ func NewMultiRegistry(registries []Registry) Registry {
lastConfigReloadSuccessGauge: multi.NewGauge(lastConfigReloadSuccessGauge...),
lastConfigReloadFailureGauge: multi.NewGauge(lastConfigReloadFailureGauge...),
entryPointReqsCounter: multi.NewCounter(entryPointReqsCounter...),
entryPointReqsTLSCounter: multi.NewCounter(entryPointReqsTLSCounter...),
entryPointReqDurationHistogram: multi.NewHistogram(entryPointReqDurationHistogram...),
entryPointOpenConnsGauge: multi.NewGauge(entryPointOpenConnsGauge...),
serviceReqsCounter: multi.NewCounter(serviceReqsCounter...),
serviceReqsTLSCounter: multi.NewCounter(serviceReqsTLSCounter...),
serviceReqDurationHistogram: multi.NewHistogram(serviceReqDurationHistogram...),
serviceOpenConnsGauge: multi.NewGauge(serviceOpenConnsGauge...),
serviceRetriesCounter: multi.NewCounter(serviceRetriesCounter...),
@ -119,9 +131,11 @@ type standardRegistry struct {
lastConfigReloadSuccessGauge metrics.Gauge
lastConfigReloadFailureGauge metrics.Gauge
entryPointReqsCounter metrics.Counter
entryPointReqsTLSCounter metrics.Counter
entryPointReqDurationHistogram metrics.Histogram
entryPointOpenConnsGauge metrics.Gauge
serviceReqsCounter metrics.Counter
serviceReqsTLSCounter metrics.Counter
serviceReqDurationHistogram metrics.Histogram
serviceOpenConnsGauge metrics.Gauge
serviceRetriesCounter metrics.Counter
@ -156,6 +170,10 @@ func (r *standardRegistry) EntryPointReqsCounter() metrics.Counter {
return r.entryPointReqsCounter
}
func (r *standardRegistry) EntryPointReqsTLSCounter() metrics.Counter {
return r.entryPointReqsTLSCounter
}
func (r *standardRegistry) EntryPointReqDurationHistogram() metrics.Histogram {
return r.entryPointReqDurationHistogram
}
@ -168,6 +186,10 @@ func (r *standardRegistry) ServiceReqsCounter() metrics.Counter {
return r.serviceReqsCounter
}
func (r *standardRegistry) ServiceReqsTLSCounter() metrics.Counter {
return r.serviceReqsTLSCounter
}
func (r *standardRegistry) ServiceReqDurationHistogram() metrics.Histogram {
return r.serviceReqDurationHistogram
}

22
pkg/metrics/prometheus.go
View file

@ -28,16 +28,18 @@ const (
configLastReloadFailureName = metricConfigPrefix + "last_reload_failure"
// entry point
metricEntryPointPrefix = MetricNamePrefix + "entrypoint_"
entryPointReqsTotalName = metricEntryPointPrefix + "requests_total"
entryPointReqDurationName = metricEntryPointPrefix + "request_duration_seconds"
entryPointOpenConnsName = metricEntryPointPrefix + "open_connections"
metricEntryPointPrefix = MetricNamePrefix + "entrypoint_"
entryPointReqsTotalName = metricEntryPointPrefix + "requests_total"
entryPointReqsTLSTotalName = metricEntryPointPrefix + "requests_tls_total"
entryPointReqDurationName = metricEntryPointPrefix + "request_duration_seconds"
entryPointOpenConnsName = metricEntryPointPrefix + "open_connections"
// service level.
// MetricServicePrefix prefix of all service metric names
MetricServicePrefix = MetricNamePrefix + "service_"
serviceReqsTotalName = MetricServicePrefix + "requests_total"
serviceReqsTLSTotalName = MetricServicePrefix + "requests_tls_total"
serviceReqDurationName = MetricServicePrefix + "request_duration_seconds"
serviceOpenConnsName = MetricServicePrefix + "open_connections"
serviceRetriesTotalName = MetricServicePrefix + "retries_total"
@ -136,6 +138,10 @@ func initStandardRegistry(config *types.Prometheus) Registry {
Name: entryPointReqsTotalName,
Help: "How many HTTP requests processed on an entrypoint, partitioned by status code, protocol, and method.",
}, []string{"code", "method", "protocol", "entrypoint"})
entryPointReqsTLS := newCounterFrom(promState.collectors, stdprometheus.CounterOpts{
Name: entryPointReqsTLSTotalName,
Help: "How many HTTP requests with TLS processed on an entrypoint, partitioned by TLS Version and TLS cipher Used.",
}, []string{"tls_version", "tls_cipher", "entrypoint"})
entryPointReqDurations := newHistogramFrom(promState.collectors, stdprometheus.HistogramOpts{
Name: entryPointReqDurationName,
Help: "How long it took to process the request on an entrypoint, partitioned by status code, protocol, and method.",
@ -148,10 +154,12 @@ func initStandardRegistry(config *types.Prometheus) Registry {
promState.describers = append(promState.describers, []func(chan<- *stdprometheus.Desc){
entryPointReqs.cv.Describe,
entryPointReqsTLS.cv.Describe,
entryPointReqDurations.hv.Describe,
entryPointOpenConns.gv.Describe,
}...)
reg.entryPointReqsCounter = entryPointReqs
reg.entryPointReqsTLSCounter = entryPointReqsTLS
reg.entryPointReqDurationHistogram = entryPointReqDurations
reg.entryPointOpenConnsGauge = entryPointOpenConns
}
@ -160,6 +168,10 @@ func initStandardRegistry(config *types.Prometheus) Registry {
Name: serviceReqsTotalName,
Help: "How many HTTP requests processed on a service, partitioned by status code, protocol, and method.",
}, []string{"code", "method", "protocol", "service"})
serviceReqsTLS := newCounterFrom(promState.collectors, stdprometheus.CounterOpts{
Name: serviceReqsTLSTotalName,
Help: "How many HTTP requests with TLS processed on a service, partitioned by TLS version and TLS cipher.",
}, []string{"tls_version", "tls_cipher", "service"})
serviceReqDurations := newHistogramFrom(promState.collectors, stdprometheus.HistogramOpts{
Name: serviceReqDurationName,
Help: "How long it took to process the request on a service, partitioned by status code, protocol, and method.",
@ -180,6 +192,7 @@ func initStandardRegistry(config *types.Prometheus) Registry {
promState.describers = append(promState.describers, []func(chan<- *stdprometheus.Desc){
serviceReqs.cv.Describe,
serviceReqsTLS.cv.Describe,
serviceReqDurations.hv.Describe,
serviceOpenConns.gv.Describe,
serviceRetries.cv.Describe,
@ -187,6 +200,7 @@ func initStandardRegistry(config *types.Prometheus) Registry {
}...)
reg.serviceReqsCounter = serviceReqs
reg.serviceReqsTLSCounter = serviceReqsTLS
reg.serviceReqDurationHistogram = serviceReqDurations
reg.serviceOpenConnsGauge = serviceOpenConns
reg.serviceRetriesCounter = serviceRetries

37
pkg/middlewares/metrics/metrics.go
View file

@ -2,6 +2,7 @@ package metrics
import (
"context"
"crypto/tls"
"net/http"
"strconv"
"strings"
@ -13,6 +14,7 @@ import (
"github.com/containous/traefik/v2/pkg/metrics"
"github.com/containous/traefik/v2/pkg/middlewares"
"github.com/containous/traefik/v2/pkg/middlewares/retry"
traefiktls "github.com/containous/traefik/v2/pkg/tls"
gokitmetrics "github.com/go-kit/kit/metrics"
)
@ -28,6 +30,7 @@ const (
type metricsMiddleware struct {
next http.Handler
reqsCounter gokitmetrics.Counter
reqsTLSCounter gokitmetrics.Counter
reqDurationHistogram gokitmetrics.Histogram
openConnsGauge gokitmetrics.Gauge
baseLabels []string
@ -40,6 +43,7 @@ func NewEntryPointMiddleware(ctx context.Context, next http.Handler, registry me
return &metricsMiddleware{
next: next,
reqsCounter: registry.EntryPointReqsCounter(),
reqsTLSCounter: registry.EntryPointReqsTLSCounter(),
reqDurationHistogram: registry.EntryPointReqDurationHistogram(),
openConnsGauge: registry.EntryPointOpenConnsGauge(),
baseLabels: []string{"entrypoint", entryPointName},
@ -53,6 +57,7 @@ func NewServiceMiddleware(ctx context.Context, next http.Handler, registry metri
return &metricsMiddleware{
next: next,
reqsCounter: registry.ServiceReqsCounter(),
reqsTLSCounter: registry.ServiceReqsTLSCounter(),
reqDurationHistogram: registry.ServiceReqDurationHistogram(),
openConnsGauge: registry.ServiceOpenConnsGauge(),
baseLabels: []string{"service", serviceName},
@ -81,6 +86,15 @@ func (m *metricsMiddleware) ServeHTTP(rw http.ResponseWriter, req *http.Request)
m.openConnsGauge.With(labels...).Add(1)
defer m.openConnsGauge.With(labels...).Add(-1)
// TLS metrics
if req.TLS != nil {
var tlsLabels []string
tlsLabels = append(tlsLabels, m.baseLabels...)
tlsLabels = append(tlsLabels, "tls_version", getRequestTLSVersion(req), "tls_cipher", getRequestTLSCipher(req))
m.reqsTLSCounter.With(tlsLabels...).Add(1)
}
recorder := newResponseRecorder(rw)
start := time.Now()
m.next.ServeHTTP(recorder, req)
@ -131,6 +145,29 @@ func getMethod(r *http.Request) string {
return r.Method
}
func getRequestTLSVersion(req *http.Request) string {
switch req.TLS.Version {
case tls.VersionTLS10:
return "1.0"
case tls.VersionTLS11:
return "1.1"
case tls.VersionTLS12:
return "1.2"
case tls.VersionTLS13:
return "1.3"
default:
return "unknown"
}
}
func getRequestTLSCipher(req *http.Request) string {
if version, ok := traefiktls.CipherSuitesReversed[req.TLS.CipherSuite]; ok {
return version
}
return "unknown"
}
type retryMetrics interface {
ServiceRetriesCounter() gokitmetrics.Counter
}

33
pkg/tls/certificate.go
View file

@ -30,39 +30,6 @@ var (
`VersionTLS13`: tls.VersionTLS13,
}
// CipherSuites Map of TLS CipherSuites from crypto/tls
// Available CipherSuites defined at https://golang.org/pkg/crypto/tls/#pkg-constants
CipherSuites = map[string]uint16{
`TLS_RSA_WITH_RC4_128_SHA`: tls.TLS_RSA_WITH_RC4_128_SHA,
`TLS_RSA_WITH_3DES_EDE_CBC_SHA`: tls.TLS_RSA_WITH_3DES_EDE_CBC_SHA,
`TLS_RSA_WITH_AES_128_CBC_SHA`: tls.TLS_RSA_WITH_AES_128_CBC_SHA,
`TLS_RSA_WITH_AES_256_CBC_SHA`: tls.TLS_RSA_WITH_AES_256_CBC_SHA,
`TLS_RSA_WITH_AES_128_CBC_SHA256`: tls.TLS_RSA_WITH_AES_128_CBC_SHA256,
`TLS_RSA_WITH_AES_128_GCM_SHA256`: tls.TLS_RSA_WITH_AES_128_GCM_SHA256,
`TLS_RSA_WITH_AES_256_GCM_SHA384`: tls.TLS_RSA_WITH_AES_256_GCM_SHA384,
`TLS_ECDHE_ECDSA_WITH_RC4_128_SHA`: tls.TLS_ECDHE_ECDSA_WITH_RC4_128_SHA,
`TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA`: tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
`TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA`: tls.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
`TLS_ECDHE_RSA_WITH_RC4_128_SHA`: tls.TLS_ECDHE_RSA_WITH_RC4_128_SHA,
`TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA`: tls.TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA,
`TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA`: tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
`TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA`: tls.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
`TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256`: tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256,
`TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256`: tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,
`TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256`: tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
`TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256`: tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
`TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384`: tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
`TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384`: tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
`TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305`: tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,
`TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256`: tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256,
`TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305`: tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
`TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256`: tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256,
"TLS_AES_128_GCM_SHA256": tls.TLS_AES_128_GCM_SHA256,
"TLS_AES_256_GCM_SHA384": tls.TLS_AES_256_GCM_SHA384,
"TLS_CHACHA20_POLY1305_SHA256": tls.TLS_CHACHA20_POLY1305_SHA256,
"TLS_FALLBACK_SCSV": tls.TLS_FALLBACK_SCSV,
}
// CurveIDs is a Map of TLS elliptic curves from crypto/tls
// Available CurveIDs defined at https://godoc.org/crypto/tls#CurveID,
// also allowing rfc names defined at https://tools.ietf.org/html/rfc8446#section-4.2.7

71
pkg/tls/cipher.go Normal file
View file

@ -0,0 +1,71 @@
package tls
import (
"crypto/tls"
)
var (
// CipherSuites Map of TLS CipherSuites from crypto/tls
// Available CipherSuites defined at https://golang.org/pkg/crypto/tls/#pkg-constants
CipherSuites = map[string]uint16{
`TLS_RSA_WITH_RC4_128_SHA`: tls.TLS_RSA_WITH_RC4_128_SHA,
`TLS_RSA_WITH_3DES_EDE_CBC_SHA`: tls.TLS_RSA_WITH_3DES_EDE_CBC_SHA,
`TLS_RSA_WITH_AES_128_CBC_SHA`: tls.TLS_RSA_WITH_AES_128_CBC_SHA,
`TLS_RSA_WITH_AES_256_CBC_SHA`: tls.TLS_RSA_WITH_AES_256_CBC_SHA,
`TLS_RSA_WITH_AES_128_CBC_SHA256`: tls.TLS_RSA_WITH_AES_128_CBC_SHA256,
`TLS_RSA_WITH_AES_128_GCM_SHA256`: tls.TLS_RSA_WITH_AES_128_GCM_SHA256,
`TLS_RSA_WITH_AES_256_GCM_SHA384`: tls.TLS_RSA_WITH_AES_256_GCM_SHA384,
`TLS_ECDHE_ECDSA_WITH_RC4_128_SHA`: tls.TLS_ECDHE_ECDSA_WITH_RC4_128_SHA,
`TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA`: tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
`TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA`: tls.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
`TLS_ECDHE_RSA_WITH_RC4_128_SHA`: tls.TLS_ECDHE_RSA_WITH_RC4_128_SHA,
`TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA`: tls.TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA,
`TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA`: tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
`TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA`: tls.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
`TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256`: tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256,
`TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256`: tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,
`TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256`: tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
`TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256`: tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
`TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384`: tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
`TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384`: tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
`TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305`: tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,
`TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256`: tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256,
`TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305`: tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
`TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256`: tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256,
`TLS_AES_128_GCM_SHA256`: tls.TLS_AES_128_GCM_SHA256,
`TLS_AES_256_GCM_SHA384`: tls.TLS_AES_256_GCM_SHA384,
`TLS_CHACHA20_POLY1305_SHA256`: tls.TLS_CHACHA20_POLY1305_SHA256,
`TLS_FALLBACK_SCSV`: tls.TLS_FALLBACK_SCSV,
}
// CipherSuitesReversed Map of TLS CipherSuites from crypto/tls
// Available CipherSuites defined at https://golang.org/pkg/crypto/tls/#pkg-constants
CipherSuitesReversed = map[uint16]string{
tls.TLS_RSA_WITH_RC4_128_SHA: `TLS_RSA_WITH_RC4_128_SHA`,
tls.TLS_RSA_WITH_3DES_EDE_CBC_SHA: `TLS_RSA_WITH_3DES_EDE_CBC_SHA`,
tls.TLS_RSA_WITH_AES_128_CBC_SHA: `TLS_RSA_WITH_AES_128_CBC_SHA`,
tls.TLS_RSA_WITH_AES_256_CBC_SHA: `TLS_RSA_WITH_AES_256_CBC_SHA`,
tls.TLS_RSA_WITH_AES_128_CBC_SHA256: `TLS_RSA_WITH_AES_128_CBC_SHA256`,
tls.TLS_RSA_WITH_AES_128_GCM_SHA256: `TLS_RSA_WITH_AES_128_GCM_SHA256`,
tls.TLS_RSA_WITH_AES_256_GCM_SHA384: `TLS_RSA_WITH_AES_256_GCM_SHA384`,
tls.TLS_ECDHE_ECDSA_WITH_RC4_128_SHA: `TLS_ECDHE_ECDSA_WITH_RC4_128_SHA`,
tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA: `TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA`,
tls.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA: `TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA`,
tls.TLS_ECDHE_RSA_WITH_RC4_128_SHA: `TLS_ECDHE_RSA_WITH_RC4_128_SHA`,
tls.TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA: `TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA`,
tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA: `TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA`,
tls.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA: `TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA`,
tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256: `TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256`,
tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256: `TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256`,
tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256: `TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256`,
tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256: `TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256`,
tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384: `TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384`,
tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384: `TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384`,
tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256: `TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256`,
tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256: `TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256`,
tls.TLS_AES_128_GCM_SHA256: `TLS_AES_128_GCM_SHA256`,
tls.TLS_AES_256_GCM_SHA384: `TLS_AES_256_GCM_SHA384`,
tls.TLS_CHACHA20_POLY1305_SHA256: `TLS_CHACHA20_POLY1305_SHA256`,
tls.TLS_FALLBACK_SCSV: `TLS_FALLBACK_SCSV`,
}
)

30
pkg/tls/cipher_test.go Normal file
View file

@ -0,0 +1,30 @@
package tls
import (
"testing"
)
func TestCiphersMapsSync(t *testing.T) {
for k, v := range CipherSuites {
// Following names are legacy aliases.
// We do not test for their presence in CipherSuitesReversed
switch k {
case "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305", "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305":
continue
}
if rv, ok := CipherSuitesReversed[v]; !ok {
t.Errorf("Maps not in sync: `%d` key is missing in tls.CipherSuitesReversed", v)
} else if k != rv {
t.Errorf("Maps not in sync: tls.CipherSuites[%s] = `%d` AND tls.CipherSuitesReversed[`%d`] = `%v`", k, v, v, rv)
}
}
for k, v := range CipherSuitesReversed {
if rv, ok := CipherSuites[v]; !ok {
t.Errorf("Maps not in sync: `%s` key is missing in tls.CipherSuites", v)
} else if k != rv {
t.Errorf("Maps not in sync: tls.CipherSuitesReversed[`%d`] = `%s` AND tls.CipherSuites[`%s`] = `%d`", k, v, v, rv)
}
}
}