Fix OpenTelemetry service name
Co-authored-by: Kevin Pollet <pollet.kevin@gmail.com>
This commit is contained in:
Tom Moulard
GitHub
parent
8bf68b7efd
commit
f0f5f41fb9
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@ -208,7 +208,7 @@ metrics:
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#### `path`
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_Required, Default="/v1/traces"_
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_Required, Default="/v1/metrics"_
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Allows to override the default URL path used for sending metrics.
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This option has no effect when using gRPC transport.
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@ -216,17 +216,17 @@ This option has no effect when using gRPC transport.
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```yaml tab="File (YAML)"
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metrics:
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openTelemetry:
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path: /foo/v1/traces
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path: /foo/v1/metrics
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```
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```toml tab="File (TOML)"
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[metrics]
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[metrics.openTelemetry]
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path = "/foo/v1/traces"
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path = "/foo/v1/metrics"
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```
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```bash tab="CLI"
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--metrics.openTelemetry.path=/foo/v1/traces
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--metrics.openTelemetry.path=/foo/v1/metrics
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```
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#### `tls`
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@ -23,6 +23,8 @@ import (
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"go.opentelemetry.io/otel/metric/unit"
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sdkmetric "go.opentelemetry.io/otel/sdk/metric"
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"go.opentelemetry.io/otel/sdk/metric/aggregation"
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"go.opentelemetry.io/otel/sdk/resource"
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semconv "go.opentelemetry.io/otel/semconv/v1.12.0"
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"google.golang.org/grpc/credentials"
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"google.golang.org/grpc/encoding/gzip"
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)
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@ -139,11 +141,22 @@ func newOpenTelemetryMeterProvider(ctx context.Context, config *types.OpenTeleme
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return nil, fmt.Errorf("creating exporter: %w", err)
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}
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res, err := resource.New(ctx,
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resource.WithAttributes(semconv.ServiceNameKey.String("traefik")),
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resource.WithAttributes(semconv.ServiceVersionKey.String(version.Version)),
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resource.WithFromEnv(),
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resource.WithTelemetrySDK(),
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)
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if err != nil {
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return nil, fmt.Errorf("building resource: %w", err)
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}
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opts := []sdkmetric.PeriodicReaderOption{
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sdkmetric.WithInterval(time.Duration(config.PushInterval)),
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}
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meterProvider := sdkmetric.NewMeterProvider(
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sdkmetric.WithResource(res),
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sdkmetric.WithReader(sdkmetric.NewPeriodicReader(exporter, opts...)),
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// View to customize histogram buckets and rename a single histogram instrument.
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sdkmetric.WithView(sdkmetric.NewView(
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@ -4,7 +4,6 @@ import (
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"compress/gzip"
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"context"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"net/http/httptest"
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@ -17,6 +16,7 @@ import (
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"github.com/stretchr/testify/require"
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ptypes "github.com/traefik/paerser/types"
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"github.com/traefik/traefik/v2/pkg/types"
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"github.com/traefik/traefik/v2/pkg/version"
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"go.opentelemetry.io/collector/pdata/pmetric/pmetricotlp"
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"go.opentelemetry.io/otel/attribute"
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)
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@ -308,8 +308,7 @@ func TestOpenTelemetry(t *testing.T) {
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bodyStr := string(marshalledReq)
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c <- &bodyStr
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_, err = fmt.Fprintln(w, "ok")
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require.NoError(t, err)
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w.WriteHeader(http.StatusOK)
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}))
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defer ts.Close()
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@ -330,13 +329,21 @@ func TestOpenTelemetry(t *testing.T) {
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t.Fatalf("registry should return true for IsEnabled(), IsRouterEnabled() and IsSvcEnabled()")
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}
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expected := []string{
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`({"key":"service.name","value":{"stringValue":"traefik"}})`,
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`({"key":"service.version","value":{"stringValue":"` + version.Version + `"}})`,
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}
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msgMisc := <-c
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assertMessage(t, *msgMisc, expected)
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// TODO: the len of startUnixNano is no supposed to be 20, it should be 19
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expectedServer := []string{
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expected = append(expected,
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`({"name":"traefik_config_reloads_total","description":"Config reloads","unit":"1","sum":{"dataPoints":\[{"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","asDouble":1}\],"aggregationTemporality":2,"isMonotonic":true}})`,
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`({"name":"traefik_config_reloads_failure_total","description":"Config reload failures","unit":"1","sum":{"dataPoints":\[{"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","asDouble":1}\],"aggregationTemporality":2,"isMonotonic":true}})`,
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`({"name":"traefik_config_last_reload_success","description":"Last config reload success","unit":"ms","gauge":{"dataPoints":\[{"startTimeUnixNano":"[\d]{20}","timeUnixNano":"[\d]{19}","asDouble":1}\]}})`,
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`({"name":"traefik_config_last_reload_failure","description":"Last config reload failure","unit":"ms","gauge":{"dataPoints":\[{"startTimeUnixNano":"[\d]{20}","timeUnixNano":"[\d]{19}","asDouble":1}\]}})`,
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}
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)
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registry.ConfigReloadsCounter().Add(1)
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registry.ConfigReloadsFailureCounter().Add(1)
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@ -344,23 +351,23 @@ func TestOpenTelemetry(t *testing.T) {
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registry.LastConfigReloadFailureGauge().Set(1)
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msgServer := <-c
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assertMessage(t, *msgServer, expectedServer)
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assertMessage(t, *msgServer, expected)
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expectedTLS := []string{
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expected = append(expected,
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`({"name":"traefik_tls_certs_not_after","description":"Certificate expiration timestamp","unit":"ms","gauge":{"dataPoints":\[{"attributes":\[{"key":"key","value":{"stringValue":"value"}}\],"startTimeUnixNano":"[\d]{20}","timeUnixNano":"[\d]{19}","asDouble":1}\]}})`,
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}
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)
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registry.TLSCertsNotAfterTimestampGauge().With("key", "value").Set(1)
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msgTLS := <-c
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assertMessage(t, *msgTLS, expectedTLS)
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assertMessage(t, *msgTLS, expected)
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expectedEntrypoint := []string{
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expected = append(expected,
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`({"name":"traefik_entrypoint_requests_total","description":"How many HTTP requests processed on an entrypoint, partitioned by status code, protocol, and method.","unit":"1","sum":{"dataPoints":\[{"attributes":\[{"key":"code","value":{"stringValue":"200"}},{"key":"entrypoint","value":{"stringValue":"test1"}},{"key":"method","value":{"stringValue":"GET"}}\],"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","asDouble":1}\],"aggregationTemporality":2,"isMonotonic":true}})`,
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`({"name":"traefik_entrypoint_requests_tls_total","description":"How many HTTP requests with TLS processed on an entrypoint, partitioned by TLS Version and TLS cipher Used.","unit":"1","sum":{"dataPoints":\[{"attributes":\[{"key":"entrypoint","value":{"stringValue":"test2"}},{"key":"tls_cipher","value":{"stringValue":"bar"}},{"key":"tls_version","value":{"stringValue":"foo"}}\],"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","asDouble":1}\],"aggregationTemporality":2,"isMonotonic":true}})`,
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`({"name":"traefik_entrypoint_request_duration_seconds","description":"How long it took to process the request on an entrypoint, partitioned by status code, protocol, and method.","unit":"ms","histogram":{"dataPoints":\[{"attributes":\[{"key":"entrypoint","value":{"stringValue":"test3"}}\],"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","count":"1","sum":10000,"bucketCounts":\["0","0","0","0","0","0","0","0","0","0","0","1"\],"explicitBounds":\[0.005,0.01,0.025,0.05,0.1,0.25,0.5,1,2.5,5,10\],"min":10000,"max":10000}\],"aggregationTemporality":2}})`,
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`({"name":"traefik_entrypoint_open_connections","description":"How many open connections exist on an entrypoint, partitioned by method and protocol.","unit":"1","gauge":{"dataPoints":\[{"attributes":\[{"key":"entrypoint","value":{"stringValue":"test4"}}\],"startTimeUnixNano":"[\d]{20}","timeUnixNano":"[\d]{19}","asDouble":1}\]}})`,
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}
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)
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registry.EntryPointReqsCounter().With("entrypoint", "test1", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1)
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registry.EntryPointReqsTLSCounter().With("entrypoint", "test2", "tls_version", "foo", "tls_cipher", "bar").Add(1)
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@ -368,14 +375,14 @@ func TestOpenTelemetry(t *testing.T) {
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registry.EntryPointOpenConnsGauge().With("entrypoint", "test4").Set(1)
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msgEntrypoint := <-c
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assertMessage(t, *msgEntrypoint, expectedEntrypoint)
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assertMessage(t, *msgEntrypoint, expected)
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expectedRouter := []string{
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expected = append(expected,
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`({"name":"traefik_router_requests_total","description":"How many HTTP requests are processed on a router, partitioned by service, status code, protocol, and method.","unit":"1","sum":{"dataPoints":\[{"attributes":\[{"key":"code","value":{"stringValue":"(?:200|404)"}},{"key":"method","value":{"stringValue":"GET"}},{"key":"router","value":{"stringValue":"RouterReqsCounter"}},{"key":"service","value":{"stringValue":"test"}}\],"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","asDouble":1},{"attributes":\[{"key":"code","value":{"stringValue":"(?:200|404)"}},{"key":"method","value":{"stringValue":"GET"}},{"key":"router","value":{"stringValue":"RouterReqsCounter"}},{"key":"service","value":{"stringValue":"test"}}\],"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","asDouble":1}\],"aggregationTemporality":2,"isMonotonic":true}})`,
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`({"name":"traefik_router_requests_tls_total","description":"How many HTTP requests with TLS are processed on a router, partitioned by service, TLS Version, and TLS cipher Used.","unit":"1","sum":{"dataPoints":\[{"attributes":\[{"key":"router","value":{"stringValue":"demo"}},{"key":"service","value":{"stringValue":"test"}},{"key":"tls_cipher","value":{"stringValue":"bar"}},{"key":"tls_version","value":{"stringValue":"foo"}}\],"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","asDouble":1}\],"aggregationTemporality":2,"isMonotonic":true}})`,
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`({"name":"traefik_router_request_duration_seconds","description":"How long it took to process the request on a router, partitioned by service, status code, protocol, and method.","unit":"ms","histogram":{"dataPoints":\[{"attributes":\[{"key":"code","value":{"stringValue":"200"}},{"key":"router","value":{"stringValue":"demo"}},{"key":"service","value":{"stringValue":"test"}}\],"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","count":"1","sum":10000,"bucketCounts":\["0","0","0","0","0","0","0","0","0","0","0","1"\],"explicitBounds":\[0.005,0.01,0.025,0.05,0.1,0.25,0.5,1,2.5,5,10\],"min":10000,"max":10000}\],"aggregationTemporality":2}})`,
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`({"name":"traefik_router_open_connections","description":"How many open connections exist on a router, partitioned by service, method, and protocol.","unit":"1","gauge":{"dataPoints":\[{"attributes":\[{"key":"router","value":{"stringValue":"demo"}},{"key":"service","value":{"stringValue":"test"}}\],"startTimeUnixNano":"[\d]{20}","timeUnixNano":"[\d]{19}","asDouble":1}\]}})`,
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}
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)
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registry.RouterReqsCounter().With("router", "RouterReqsCounter", "service", "test", "code", strconv.Itoa(http.StatusNotFound), "method", http.MethodGet).Add(1)
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registry.RouterReqsCounter().With("router", "RouterReqsCounter", "service", "test", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1)
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@ -384,14 +391,14 @@ func TestOpenTelemetry(t *testing.T) {
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registry.RouterOpenConnsGauge().With("router", "demo", "service", "test").Set(1)
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msgRouter := <-c
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assertMessage(t, *msgRouter, expectedRouter)
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assertMessage(t, *msgRouter, expected)
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expectedService := []string{
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expected = append(expected,
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`({"name":"traefik_service_requests_total","description":"How many HTTP requests processed on a service, partitioned by status code, protocol, and method.","unit":"1","sum":{"dataPoints":\[{"attributes":\[{"key":"code","value":{"stringValue":"(?:200|404)"}},{"key":"method","value":{"stringValue":"GET"}},{"key":"service","value":{"stringValue":"ServiceReqsCounter"}}\],"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","asDouble":1},{"attributes":\[{"key":"code","value":{"stringValue":"(?:200|404)"}},{"key":"method","value":{"stringValue":"GET"}},{"key":"service","value":{"stringValue":"ServiceReqsCounter"}}\],"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","asDouble":1}\],"aggregationTemporality":2,"isMonotonic":true}})`,
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`({"name":"traefik_service_requests_tls_total","description":"How many HTTP requests with TLS processed on a service, partitioned by TLS version and TLS cipher.","unit":"1","sum":{"dataPoints":\[{"attributes":\[{"key":"service","value":{"stringValue":"test"}},{"key":"tls_cipher","value":{"stringValue":"bar"}},{"key":"tls_version","value":{"stringValue":"foo"}}\],"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","asDouble":1}\],"aggregationTemporality":2,"isMonotonic":true}})`,
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`({"name":"traefik_service_request_duration_seconds","description":"How long it took to process the request on a service, partitioned by status code, protocol, and method.","unit":"ms","histogram":{"dataPoints":\[{"attributes":\[{"key":"code","value":{"stringValue":"200"}},{"key":"service","value":{"stringValue":"test"}}\],"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","count":"1","sum":10000,"bucketCounts":\["0","0","0","0","0","0","0","0","0","0","0","1"\],"explicitBounds":\[0.005,0.01,0.025,0.05,0.1,0.25,0.5,1,2.5,5,10\],"min":10000,"max":10000}\],"aggregationTemporality":2}})`,
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`({"name":"traefik_service_server_up","description":"service server is up, described by gauge value of 0 or 1.","unit":"1","gauge":{"dataPoints":\[{"attributes":\[{"key":"service","value":{"stringValue":"test"}},{"key":"url","value":{"stringValue":"http://127.0.0.1"}}\],"startTimeUnixNano":"[\d]{20}","timeUnixNano":"[\d]{19}","asDouble":1}\]}})`,
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}
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)
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registry.ServiceReqsCounter().With("service", "ServiceReqsCounter", "code", strconv.Itoa(http.StatusOK), "method", http.MethodGet).Add(1)
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registry.ServiceReqsCounter().With("service", "ServiceReqsCounter", "code", strconv.Itoa(http.StatusNotFound), "method", http.MethodGet).Add(1)
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@ -400,24 +407,24 @@ func TestOpenTelemetry(t *testing.T) {
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registry.ServiceServerUpGauge().With("service", "test", "url", "http://127.0.0.1").Set(1)
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msgService := <-c
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assertMessage(t, *msgService, expectedService)
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assertMessage(t, *msgService, expected)
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expectedServiceRetries := []string{
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expected = append(expected,
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`({"attributes":\[{"key":"service","value":{"stringValue":"foobar"}}\],"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","asDouble":1})`,
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`({"attributes":\[{"key":"service","value":{"stringValue":"test"}}\],"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","asDouble":2})`,
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}
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)
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registry.ServiceRetriesCounter().With("service", "test").Add(1)
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registry.ServiceRetriesCounter().With("service", "test").Add(1)
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registry.ServiceRetriesCounter().With("service", "foobar").Add(1)
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msgServiceRetries := <-c
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assertMessage(t, *msgServiceRetries, expectedServiceRetries)
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assertMessage(t, *msgServiceRetries, expected)
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expectedServiceOpenConns := []string{
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expected = append(expected,
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`({"attributes":\[{"key":"service","value":{"stringValue":"test"}}\],"startTimeUnixNano":"[\d]{20}","timeUnixNano":"[\d]{19}","asDouble":3})`,
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`({"attributes":\[{"key":"service","value":{"stringValue":"foobar"}}\],"startTimeUnixNano":"[\d]{20}","timeUnixNano":"[\d]{19}","asDouble":1})`,
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}
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)
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registry.ServiceOpenConnsGauge().With("service", "test").Set(1)
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registry.ServiceOpenConnsGauge().With("service", "test").Add(1)
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@ -425,8 +432,12 @@ func TestOpenTelemetry(t *testing.T) {
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registry.ServiceOpenConnsGauge().With("service", "foobar").Add(1)
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msgServiceOpenConns := <-c
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assertMessage(t, *msgServiceOpenConns, expectedServiceOpenConns)
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assertMessage(t, *msgServiceOpenConns, expected)
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// We cannot rely on the previous expected pattern,
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// because this pattern was for matching only one dataPoint in the histogram,
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// and as soon as the EntryPointReqDurationHistogram.Observe is called,
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// it adds a new dataPoint to the histogram.
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expectedEntryPointReqDuration := []string{
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`({"attributes":\[{"key":"entrypoint","value":{"stringValue":"myEntrypoint"}}\],"startTimeUnixNano":"[\d]{19}","timeUnixNano":"[\d]{19}","count":"2","sum":30000,"bucketCounts":\["0","0","0","0","0","0","0","0","0","0","0","2"\],"explicitBounds":\[0.005,0.01,0.025,0.05,0.1,0.25,0.5,1,2.5,5,10\],"min":10000,"max":20000})`,
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}
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@ -16,7 +16,9 @@ import (
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"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc"
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"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp"
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"go.opentelemetry.io/otel/propagation"
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"go.opentelemetry.io/otel/sdk/resource"
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sdktrace "go.opentelemetry.io/otel/sdk/trace"
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semconv "go.opentelemetry.io/otel/semconv/v1.12.0"
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"go.opentelemetry.io/otel/trace"
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"google.golang.org/grpc/credentials"
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"google.golang.org/grpc/encoding/gzip"
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@ -60,7 +62,20 @@ func (c *Config) Setup(componentName string) (opentracing.Tracer, io.Closer, err
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bt.SetOpenTelemetryTracer(otel.Tracer(componentName, trace.WithInstrumentationVersion(version.Version)))
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opentracing.SetGlobalTracer(bt)
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tracerProvider := sdktrace.NewTracerProvider(sdktrace.WithBatcher(exporter))
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res, err := resource.New(context.Background(),
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resource.WithAttributes(semconv.ServiceNameKey.String("traefik")),
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resource.WithAttributes(semconv.ServiceVersionKey.String(version.Version)),
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resource.WithFromEnv(),
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resource.WithTelemetrySDK(),
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)
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if err != nil {
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return nil, nil, fmt.Errorf("building resource: %w", err)
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}
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tracerProvider := sdktrace.NewTracerProvider(
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sdktrace.WithResource(res),
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sdktrace.WithBatcher(exporter),
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)
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otel.SetTracerProvider(tracerProvider)
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log.Debug().Msg("OpenTelemetry tracer configured")
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@ -9,6 +9,7 @@ import (
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"net/http/httptest"
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"strings"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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@ -17,10 +18,39 @@ import (
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"go.opentelemetry.io/collector/pdata/ptrace/ptraceotlp"
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)
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func TestTraceContextPropagation(t *testing.T) {
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t.Parallel()
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func TestTracing(t *testing.T) {
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tests := []struct {
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desc string
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headers map[string]string
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assertFn func(*testing.T, string)
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}{
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{
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desc: "service name and version",
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assertFn: func(t *testing.T, trace string) {
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t.Helper()
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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assert.Regexp(t, `({"key":"service.name","value":{"stringValue":"traefik"}})`, trace)
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assert.Regexp(t, `({"key":"service.version","value":{"stringValue":"dev"}})`, trace)
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},
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},
|
||||
{
|
||||
desc: "context propagation",
|
||||
headers: map[string]string{
|
||||
"traceparent": "00-00000000000000000000000000000001-0000000000000001-01",
|
||||
"tracestate": "foo=bar",
|
||||
},
|
||||
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)
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
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)
|
||||
|
||||
|
|
@ -34,34 +64,38 @@ func TestTraceContextPropagation(t *testing.T) {
|
|||
marshalledReq, err := json.Marshal(req)
|
||||
require.NoError(t, err)
|
||||
|
||||
bodyStr := string(marshalledReq)
|
||||
assert.Regexp(t, `("traceId":"00000000000000000000000000000001")`, bodyStr)
|
||||
assert.Regexp(t, `("parentSpanId":"0000000000000001")`, bodyStr)
|
||||
assert.Regexp(t, `("traceState":"foo=bar")`, bodyStr)
|
||||
traceCh <- string(marshalledReq)
|
||||
}))
|
||||
defer ts.Close()
|
||||
t.Cleanup(collector.Close)
|
||||
|
||||
cfg := Config{
|
||||
Address: strings.TrimPrefix(ts.URL, "http://"),
|
||||
newTracing, err := tracing.NewTracing("", 0, &Config{
|
||||
Insecure: true,
|
||||
}
|
||||
|
||||
newTracing, err := tracing.NewTracing("", 0, &cfg)
|
||||
require.NoError(t, err)
|
||||
defer newTracing.Close()
|
||||
|
||||
req := httptest.NewRequest(http.MethodGet, "http://www.test.com", nil)
|
||||
req.Header.Set("traceparent", "00-00000000000000000000000000000001-0000000000000001-00")
|
||||
req.Header.Set("tracestate", "foo=bar")
|
||||
rw := httptest.NewRecorder()
|
||||
|
||||
var forwarded bool
|
||||
next := http.HandlerFunc(func(http.ResponseWriter, *http.Request) {
|
||||
forwarded = true
|
||||
Address: strings.TrimPrefix(collector.URL, "http://"),
|
||||
})
|
||||
require.NoError(t, err)
|
||||
t.Cleanup(newTracing.Close)
|
||||
|
||||
handler := mtracing.NewEntryPoint(context.Background(), newTracing, "test", next)
|
||||
handler.ServeHTTP(rw, req)
|
||||
epHandler := mtracing.NewEntryPoint(context.Background(), newTracing, "test", http.NotFoundHandler())
|
||||
|
||||
require.True(t, forwarded)
|
||||
for _, test := range tests {
|
||||
t.Run(test.desc, func(t *testing.T) {
|
||||
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.StatusNotFound, rw.Code)
|
||||
test.assertFn(t, trace)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue