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fix(telemetry)!: respect OTEL variables default behaviour #5562
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,11 @@ | ||
| package telemetry | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
||
| "go.uber.org/goleak" | ||
| ) | ||
|
|
||
| func TestMain(m *testing.M) { | ||
| goleak.VerifyTestMain(m) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| package telemetry | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "compress/gzip" | ||
| "io" | ||
| "net/http" | ||
| "net/http/httptest" | ||
| "sync" | ||
| "testing" | ||
|
|
||
| coltracepb "go.opentelemetry.io/proto/otlp/collector/trace/v1" | ||
| "google.golang.org/protobuf/proto" | ||
| ) | ||
|
|
||
| type otlpSink struct { | ||
| mu sync.Mutex | ||
| reqs []*coltracepb.ExportTraceServiceRequest | ||
| headers []http.Header | ||
| paths []string | ||
| srv *httptest.Server | ||
| } | ||
|
|
||
| func newOTLPSink(t *testing.T) *otlpSink { | ||
| t.Helper() | ||
| s := &otlpSink{} | ||
| s.srv = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { | ||
| raw, err := io.ReadAll(r.Body) | ||
| if err != nil { | ||
| http.Error(w, err.Error(), http.StatusBadRequest) | ||
| return | ||
| } | ||
| if r.Header.Get("Content-Encoding") == "gzip" { | ||
| zr, err := gzip.NewReader(bytes.NewReader(raw)) | ||
| if err != nil { | ||
| http.Error(w, err.Error(), http.StatusBadRequest) | ||
| return | ||
| } | ||
| raw, err = io.ReadAll(zr) | ||
| if err != nil { | ||
| http.Error(w, err.Error(), http.StatusBadRequest) | ||
| return | ||
| } | ||
| } | ||
| var req coltracepb.ExportTraceServiceRequest | ||
| if err := proto.Unmarshal(raw, &req); err != nil { | ||
| http.Error(w, err.Error(), http.StatusBadRequest) | ||
| return | ||
| } | ||
| s.mu.Lock() | ||
| s.reqs = append(s.reqs, &req) | ||
| s.headers = append(s.headers, r.Header.Clone()) | ||
| s.paths = append(s.paths, r.URL.Path) | ||
| s.mu.Unlock() | ||
| resp, _ := proto.Marshal(&coltracepb.ExportTraceServiceResponse{}) | ||
| w.Header().Set("Content-Type", "application/x-protobuf") | ||
| w.Write(resp) | ||
| })) | ||
| t.Cleanup(s.srv.Close) | ||
| return s | ||
| } | ||
|
|
||
| func (s *otlpSink) spanNames() []string { | ||
| s.mu.Lock() | ||
| defer s.mu.Unlock() | ||
| var names []string | ||
| for _, req := range s.reqs { | ||
| for _, rs := range req.GetResourceSpans() { | ||
| for _, ss := range rs.GetScopeSpans() { | ||
| for _, sp := range ss.GetSpans() { | ||
| names = append(names, sp.GetName()) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| return names | ||
| } | ||
|
|
||
| func (s *otlpSink) requestCount() int { | ||
| s.mu.Lock() | ||
| defer s.mu.Unlock() | ||
| return len(s.reqs) | ||
| } |
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