mirror of
https://github.com/traefik/traefik.git
synced 2025-05-05 15:33:01 +00:00
418 lines
12 KiB
Go
418 lines
12 KiB
Go
package tracing
|
|
|
|
import (
|
|
"compress/gzip"
|
|
"context"
|
|
"encoding/json"
|
|
"io"
|
|
"net/http"
|
|
"net/http/httptest"
|
|
"net/url"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/containous/alice"
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
"github.com/traefik/traefik/v3/pkg/config/static"
|
|
"github.com/traefik/traefik/v3/pkg/types"
|
|
"go.opentelemetry.io/collector/pdata/ptrace/ptraceotlp"
|
|
"go.opentelemetry.io/otel/trace"
|
|
)
|
|
|
|
func Test_safeFullURL(t *testing.T) {
|
|
testCases := []struct {
|
|
desc string
|
|
safeQueryParams []string
|
|
originalURL *url.URL
|
|
expectedURL *url.URL
|
|
}{
|
|
{
|
|
desc: "Nil URL",
|
|
originalURL: nil,
|
|
expectedURL: nil,
|
|
},
|
|
{
|
|
desc: "No query parameters",
|
|
originalURL: &url.URL{Scheme: "https", Host: "example.com"},
|
|
expectedURL: &url.URL{Scheme: "https", Host: "example.com"},
|
|
},
|
|
{
|
|
desc: "All query parameters redacted",
|
|
originalURL: &url.URL{Scheme: "https", Host: "example.com", RawQuery: "foo=bar&baz=qux"},
|
|
expectedURL: &url.URL{Scheme: "https", Host: "example.com", RawQuery: "baz=REDACTED&foo=REDACTED"},
|
|
},
|
|
{
|
|
desc: "Some query parameters unredacted",
|
|
safeQueryParams: []string{"foo"},
|
|
originalURL: &url.URL{Scheme: "https", Host: "example.com", RawQuery: "foo=bar&baz=qux"},
|
|
expectedURL: &url.URL{Scheme: "https", Host: "example.com", RawQuery: "baz=REDACTED&foo=bar"},
|
|
},
|
|
{
|
|
desc: "User info and some query parameters redacted",
|
|
safeQueryParams: []string{"foo"},
|
|
originalURL: &url.URL{Scheme: "https", Host: "example.com", User: url.UserPassword("username", "password"), RawQuery: "foo=bar&baz=qux"},
|
|
expectedURL: &url.URL{Scheme: "https", Host: "example.com", User: url.UserPassword("REDACTED", "REDACTED"), RawQuery: "baz=REDACTED&foo=bar"},
|
|
},
|
|
}
|
|
|
|
for _, test := range testCases {
|
|
t.Run(test.desc, func(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
tr := NewTracer(nil, nil, nil, test.safeQueryParams)
|
|
|
|
gotURL := tr.safeURL(test.originalURL)
|
|
|
|
assert.Equal(t, test.expectedURL, gotURL)
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestTracing(t *testing.T) {
|
|
tests := []struct {
|
|
desc string
|
|
propagators string
|
|
headers map[string]string
|
|
resourceAttributes map[string]string
|
|
wantServiceHeadersFn func(t *testing.T, headers http.Header)
|
|
assertFn func(*testing.T, string)
|
|
}{
|
|
{
|
|
desc: "service name and version",
|
|
assertFn: func(t *testing.T, trace string) {
|
|
t.Helper()
|
|
|
|
assert.Regexp(t, `({"key":"service.name","value":{"stringValue":"traefik"}})`, trace)
|
|
assert.Regexp(t, `({"key":"service.version","value":{"stringValue":"dev"}})`, trace)
|
|
},
|
|
},
|
|
{
|
|
desc: "resource attributes must be propagated",
|
|
resourceAttributes: map[string]string{
|
|
"service.environment": "custom",
|
|
},
|
|
assertFn: func(t *testing.T, trace string) {
|
|
t.Helper()
|
|
|
|
assert.Regexp(t, `({"key":"service.environment","value":{"stringValue":"custom"}})`, trace)
|
|
},
|
|
},
|
|
{
|
|
desc: "TraceContext propagation",
|
|
propagators: "tracecontext",
|
|
headers: map[string]string{
|
|
"traceparent": "00-00000000000000000000000000000001-0000000000000001-01",
|
|
"tracestate": "foo=bar",
|
|
},
|
|
wantServiceHeadersFn: func(t *testing.T, headers http.Header) {
|
|
t.Helper()
|
|
|
|
assert.Regexp(t, `(00-00000000000000000000000000000001-\w{16}-01)`, headers["Traceparent"][0])
|
|
assert.Equal(t, []string{"foo=bar"}, headers["Tracestate"])
|
|
},
|
|
assertFn: func(t *testing.T, trace string) {
|
|
t.Helper()
|
|
|
|
assert.Regexp(t, `("traceId":"00000000000000000000000000000001")`, trace)
|
|
assert.Regexp(t, `("parentSpanId":"0000000000000001")`, trace)
|
|
assert.Regexp(t, `("traceState":"foo=bar")`, trace)
|
|
},
|
|
},
|
|
{
|
|
desc: "root span TraceContext propagation",
|
|
propagators: "tracecontext",
|
|
wantServiceHeadersFn: func(t *testing.T, headers http.Header) {
|
|
t.Helper()
|
|
|
|
assert.Regexp(t, `(00-\w{32}-\w{16}-01)`, headers["Traceparent"][0])
|
|
},
|
|
assertFn: func(t *testing.T, trace string) {
|
|
t.Helper()
|
|
|
|
assert.Regexp(t, `("traceId":"\w{32}")`, trace)
|
|
assert.Regexp(t, `("parentSpanId":"\w{16}")`, trace)
|
|
},
|
|
},
|
|
{
|
|
desc: "B3 propagation",
|
|
propagators: "b3",
|
|
headers: map[string]string{
|
|
"b3": "00000000000000000000000000000001-0000000000000002-1-0000000000000001",
|
|
},
|
|
wantServiceHeadersFn: func(t *testing.T, headers http.Header) {
|
|
t.Helper()
|
|
|
|
assert.Regexp(t, `(00000000000000000000000000000001-\w{16}-1)`, headers["B3"][0])
|
|
},
|
|
assertFn: func(t *testing.T, trace string) {
|
|
t.Helper()
|
|
|
|
assert.Regexp(t, `("traceId":"00000000000000000000000000000001")`, trace)
|
|
assert.Regexp(t, `("parentSpanId":"0000000000000002")`, trace)
|
|
},
|
|
},
|
|
{
|
|
desc: "root span B3 propagation",
|
|
propagators: "b3",
|
|
wantServiceHeadersFn: func(t *testing.T, headers http.Header) {
|
|
t.Helper()
|
|
|
|
assert.Regexp(t, `(\w{32}-\w{16}-1)`, headers["B3"][0])
|
|
},
|
|
assertFn: func(t *testing.T, trace string) {
|
|
t.Helper()
|
|
|
|
assert.Regexp(t, `("traceId":"\w{32}")`, trace)
|
|
assert.Regexp(t, `("parentSpanId":"\w{16}")`, trace)
|
|
},
|
|
},
|
|
{
|
|
desc: "B3 propagation Multiple Headers",
|
|
propagators: "b3multi",
|
|
headers: map[string]string{
|
|
"x-b3-traceid": "00000000000000000000000000000001",
|
|
"x-b3-parentspanid": "0000000000000001",
|
|
"x-b3-spanid": "0000000000000002",
|
|
"x-b3-sampled": "1",
|
|
},
|
|
wantServiceHeadersFn: func(t *testing.T, headers http.Header) {
|
|
t.Helper()
|
|
|
|
assert.Equal(t, "00000000000000000000000000000001", headers["X-B3-Traceid"][0])
|
|
assert.Equal(t, "0000000000000001", headers["X-B3-Parentspanid"][0])
|
|
assert.Equal(t, "1", headers["X-B3-Sampled"][0])
|
|
assert.Len(t, headers["X-B3-Spanid"][0], 16)
|
|
},
|
|
assertFn: func(t *testing.T, trace string) {
|
|
t.Helper()
|
|
|
|
assert.Regexp(t, `("traceId":"00000000000000000000000000000001")`, trace)
|
|
assert.Regexp(t, `("parentSpanId":"0000000000000002")`, trace)
|
|
},
|
|
},
|
|
{
|
|
desc: "root span B3 propagation Multiple Headers",
|
|
propagators: "b3multi",
|
|
wantServiceHeadersFn: func(t *testing.T, headers http.Header) {
|
|
t.Helper()
|
|
|
|
assert.Regexp(t, `(\w{32})`, headers["X-B3-Traceid"][0])
|
|
assert.Equal(t, "1", headers["X-B3-Sampled"][0])
|
|
assert.Regexp(t, `(\w{16})`, headers["X-B3-Spanid"][0])
|
|
},
|
|
assertFn: func(t *testing.T, trace string) {
|
|
t.Helper()
|
|
|
|
assert.Regexp(t, `("traceId":"\w{32}")`, trace)
|
|
assert.Regexp(t, `("parentSpanId":"")`, trace)
|
|
},
|
|
},
|
|
{
|
|
desc: "Baggage propagation",
|
|
propagators: "baggage",
|
|
headers: map[string]string{
|
|
"baggage": "userId=id",
|
|
},
|
|
wantServiceHeadersFn: func(t *testing.T, headers http.Header) {
|
|
t.Helper()
|
|
|
|
assert.Equal(t, []string{"userId=id"}, headers["Baggage"])
|
|
},
|
|
},
|
|
{
|
|
desc: "Jaeger propagation",
|
|
propagators: "jaeger",
|
|
headers: map[string]string{
|
|
"uber-trace-id": "00000000000000000000000000000001:0000000000000002:0000000000000001:1",
|
|
},
|
|
wantServiceHeadersFn: func(t *testing.T, headers http.Header) {
|
|
t.Helper()
|
|
|
|
assert.Regexp(t, `(00000000000000000000000000000001:\w{16}:0:1)`, headers["Uber-Trace-Id"][0])
|
|
},
|
|
assertFn: func(t *testing.T, trace string) {
|
|
t.Helper()
|
|
|
|
assert.Regexp(t, `("traceId":"00000000000000000000000000000001")`, trace)
|
|
assert.Regexp(t, `("parentSpanId":"\w{16}")`, trace)
|
|
},
|
|
},
|
|
{
|
|
desc: "root span Jaeger propagation",
|
|
propagators: "jaeger",
|
|
wantServiceHeadersFn: func(t *testing.T, headers http.Header) {
|
|
t.Helper()
|
|
|
|
assert.Regexp(t, `(\w{32}:\w{16}:0:1)`, headers["Uber-Trace-Id"][0])
|
|
},
|
|
assertFn: func(t *testing.T, trace string) {
|
|
t.Helper()
|
|
|
|
assert.Regexp(t, `("traceId":"\w{32}")`, trace)
|
|
assert.Regexp(t, `("parentSpanId":"\w{16}")`, trace)
|
|
},
|
|
},
|
|
{
|
|
desc: "XRay propagation",
|
|
propagators: "xray",
|
|
headers: map[string]string{
|
|
"X-Amzn-Trace-Id": "Root=1-5759e988-bd862e3fe1be46a994272793;Parent=53995c3f42cd8ad8;Sampled=1",
|
|
},
|
|
wantServiceHeadersFn: func(t *testing.T, headers http.Header) {
|
|
t.Helper()
|
|
|
|
assert.Regexp(t, `(Root=1-5759e988-bd862e3fe1be46a994272793;Parent=\w{16};Sampled=1)`, headers["X-Amzn-Trace-Id"][0])
|
|
},
|
|
assertFn: func(t *testing.T, trace string) {
|
|
t.Helper()
|
|
|
|
assert.Regexp(t, `("traceId":"5759e988bd862e3fe1be46a994272793")`, trace)
|
|
assert.Regexp(t, `("parentSpanId":"\w{16}")`, trace)
|
|
},
|
|
},
|
|
{
|
|
desc: "root span XRay propagation",
|
|
propagators: "xray",
|
|
wantServiceHeadersFn: func(t *testing.T, headers http.Header) {
|
|
t.Helper()
|
|
|
|
assert.Regexp(t, `(Root=1-\w{8}-\w{24};Parent=\w{16};Sampled=1)`, headers["X-Amzn-Trace-Id"][0])
|
|
},
|
|
assertFn: func(t *testing.T, trace string) {
|
|
t.Helper()
|
|
|
|
assert.Regexp(t, `("traceId":"\w{32}")`, trace)
|
|
assert.Regexp(t, `("parentSpanId":"\w{16}")`, trace)
|
|
},
|
|
},
|
|
{
|
|
desc: "no propagation",
|
|
propagators: "none",
|
|
wantServiceHeadersFn: func(t *testing.T, headers http.Header) {
|
|
t.Helper()
|
|
|
|
assert.Empty(t, headers)
|
|
},
|
|
assertFn: func(t *testing.T, trace string) {
|
|
t.Helper()
|
|
|
|
assert.Regexp(t, `("traceId":"\w{32}")`, trace)
|
|
assert.Regexp(t, `("parentSpanId":"\w{16}")`, trace)
|
|
},
|
|
},
|
|
}
|
|
|
|
traceCh := make(chan string)
|
|
collector := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
|
gzr, err := gzip.NewReader(r.Body)
|
|
require.NoError(t, err)
|
|
|
|
body, err := io.ReadAll(gzr)
|
|
require.NoError(t, err)
|
|
|
|
req := ptraceotlp.NewExportRequest()
|
|
err = req.UnmarshalProto(body)
|
|
require.NoError(t, err)
|
|
|
|
marshalledReq, err := json.Marshal(req)
|
|
require.NoError(t, err)
|
|
|
|
traceCh <- string(marshalledReq)
|
|
}))
|
|
t.Cleanup(collector.Close)
|
|
|
|
for _, test := range tests {
|
|
t.Run(test.desc, func(t *testing.T) {
|
|
t.Setenv("OTEL_PROPAGATORS", test.propagators)
|
|
|
|
service := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
|
tracer := TracerFromContext(r.Context())
|
|
ctx, span := tracer.Start(r.Context(), "service")
|
|
defer span.End()
|
|
|
|
r = r.WithContext(ctx)
|
|
|
|
InjectContextIntoCarrier(r)
|
|
|
|
if test.wantServiceHeadersFn != nil {
|
|
test.wantServiceHeadersFn(t, r.Header)
|
|
}
|
|
})
|
|
|
|
tracingConfig := &static.Tracing{
|
|
ServiceName: "traefik",
|
|
SampleRate: 1.0,
|
|
ResourceAttributes: test.resourceAttributes,
|
|
OTLP: &types.OTelTracing{
|
|
HTTP: &types.OTelHTTP{
|
|
Endpoint: collector.URL,
|
|
},
|
|
},
|
|
}
|
|
|
|
tracer, closer, err := NewTracing(tracingConfig)
|
|
require.NoError(t, err)
|
|
t.Cleanup(func() {
|
|
_ = closer.Close()
|
|
})
|
|
|
|
chain := alice.New(func(next http.Handler) (http.Handler, error) {
|
|
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
|
tracingCtx := ExtractCarrierIntoContext(r.Context(), r.Header)
|
|
start := time.Now()
|
|
tracingCtx, span := tracer.Start(tracingCtx, "test", trace.WithSpanKind(trace.SpanKindServer), trace.WithTimestamp(start))
|
|
end := time.Now()
|
|
span.End(trace.WithTimestamp(end))
|
|
next.ServeHTTP(w, r.WithContext(tracingCtx))
|
|
}), nil
|
|
})
|
|
|
|
epHandler, err := chain.Then(service)
|
|
require.NoError(t, err)
|
|
|
|
req := httptest.NewRequest(http.MethodGet, "http://www.test.com", nil)
|
|
for k, v := range test.headers {
|
|
req.Header.Set(k, v)
|
|
}
|
|
|
|
rw := httptest.NewRecorder()
|
|
|
|
epHandler.ServeHTTP(rw, req)
|
|
|
|
select {
|
|
case <-time.After(10 * time.Second):
|
|
t.Error("Trace not exported")
|
|
|
|
case trace := <-traceCh:
|
|
assert.Equal(t, http.StatusOK, rw.Code)
|
|
if test.assertFn != nil {
|
|
test.assertFn(t, trace)
|
|
}
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
// TestTracerProvider ensures that Tracer returns a valid TracerProvider
|
|
// when using the default Traefik Tracer and a custom one.
|
|
func TestTracerProvider(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
otlpConfig := &types.OTelTracing{}
|
|
otlpConfig.SetDefaults()
|
|
|
|
config := &static.Tracing{OTLP: otlpConfig}
|
|
tracer, closer, err := NewTracing(config)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
closer.Close()
|
|
|
|
_, span := tracer.Start(context.Background(), "test")
|
|
defer span.End()
|
|
|
|
span.TracerProvider().Tracer("github.com/traefik/traefik")
|
|
span.TracerProvider().Tracer("other")
|
|
}
|