tart/integration-tests/opentelemetry_test.go

110 lines
3.5 KiB
Go

package integration_test
import (
"compress/gzip"
"encoding/hex"
"integration/tart"
"io"
"net/http"
"net/http/httptest"
"net/url"
"testing"
"github.com/stretchr/testify/require"
semconv "go.opentelemetry.io/otel/semconv/v1.37.0"
tracepkg "go.opentelemetry.io/proto/otlp/collector/trace/v1"
v1 "go.opentelemetry.io/proto/otlp/common/v1"
"google.golang.org/protobuf/proto"
)
func TestOpenTelemetry(t *testing.T) {
// Start a mock OpenTelemetry collector server
var traces []*tracepkg.ExportTraceServiceRequest
server := httptest.NewServer(http.HandlerFunc(func(writer http.ResponseWriter, request *http.Request) {
var trace tracepkg.ExportTraceServiceRequest
reader := request.Body
var err error
if request.Header.Get("Content-Encoding") == "gzip" {
reader, err = gzip.NewReader(reader)
require.NoError(t, err)
}
requestBytes, err := io.ReadAll(reader)
require.NoError(t, err)
switch request.Header.Get("Content-Type") {
case "application/x-protobuf":
require.NoError(t, proto.Unmarshal(requestBytes, &trace))
default:
require.FailNowf(t, "unsupported content type",
"we do not support %q yet", request.Header.Get("Content-Type"))
}
traces = append(traces, &trace)
var response tracepkg.ExportTraceServiceResponse
responseBytes, err := proto.Marshal(&response)
require.NoError(t, err)
writer.Header().Set("Content-Type", "application/x-protobuf")
_, err = writer.Write(responseBytes)
require.NoError(t, err)
}))
// Start a "tart list" command
serverURL, err := url.Parse(server.URL)
require.NoError(t, err)
t.Setenv("OTEL_EXPORTER_OTLP_TRACES_ENDPOINT", serverURL.JoinPath("v1/traces").String())
t.Setenv("CIRRUS_SENTRY_TAGS", "A=B,C=D")
t.Setenv("TRACEPARENT", "00-00000000000000000000000000000001-0000000000000001-01")
_, _, err = tart.Tart(t, "list")
require.NoError(t, err)
// Ensure that the mock OpenTelemetry collector received a trace from "tart list"
require.Len(t, traces, 1)
resourceSpans := traces[0].GetResourceSpans()
require.Len(t, resourceSpans, 1)
// Ensure that service name and version resources are set
resourceSpan := resourceSpans[0]
stringAttributes := stringAttributesToMap(resourceSpan.GetResource().GetAttributes())
require.Equal(t, "tart", stringAttributes[string(semconv.ServiceNameKey)])
require.Equal(t, "SNAPSHOT", stringAttributes[string(semconv.ServiceVersionKey)])
scopeSpans := resourceSpan.GetScopeSpans()
require.Len(t, scopeSpans, 1)
spans := scopeSpans[0].GetSpans()
require.Len(t, spans, 1)
// Ensure that the root span is correctly named
span := spans[0]
require.Equal(t, "list", span.Name)
// Ensure that CIRRUS_SENTRY_TAGS are propagated
stringAttributes = stringAttributesToMap(span.GetAttributes())
require.Equal(t, stringAttributes["A"], "B")
require.Equal(t, stringAttributes["C"], "D")
// Ensure that W3C Trace Context is propagated
require.Equal(t, "00000000000000000000000000000001", hex.EncodeToString(span.GetTraceId()))
require.Equal(t, "0000000000000001", hex.EncodeToString(span.GetParentSpanId()))
}
func stringAttributesToMap(attributes []*v1.KeyValue) map[string]string {
result := map[string]string{}
for _, attribute := range attributes {
result[attribute.GetKey()] = attribute.GetValue().GetStringValue()
}
return result
}