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Stats on number of spans sent to lightstep. #116

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merged 2 commits into from
Oct 4, 2016
Merged

Stats on number of spans sent to lightstep. #116

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ff6df24
Stats on number of spans sent to lightstep.
RomanDzhabarov Oct 4, 2016
bb6fe2c
spans sent.
RomanDzhabarov Oct 4, 2016
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7 changes: 5 additions & 2 deletions source/common/tracing/http_tracer_impl.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -123,6 +123,7 @@ void LightStepRecorder::RecordSpan(lightstep::collector::Span&& span) {
uint64_t min_flush_spans =
sink_.runtime().snapshot().getInteger("tracing.lightstep.min_flush_spans", 5U);
if (builder_.pendingSpans() == min_flush_spans) {
sink_.tracerStats().spans_sent_.add(min_flush_spans);
lightstep::collector::ReportRequest request;
std::swap(request, builder_.pending());

Expand Down Expand Up @@ -154,8 +155,10 @@ LightStepSink::LightStepSink(const Json::Object& config, Upstream::ClusterManage
ThreadLocal::Instance& tls, Runtime::Loader& runtime,
std::unique_ptr<lightstep::TracerOptions> options)
: collector_cluster_(config.getString("collector_cluster")), cm_(cluster_manager),
stats_store_(stats), service_node_(service_node), tls_(tls), runtime_(runtime),
options_(std::move(options)), tls_slot_(tls.allocateSlot()) {
stats_store_(stats),
tracer_stats_{LIGHTSTEP_TRACER_STATS(POOL_COUNTER_PREFIX(stats, "tracing.lightstep."))},
service_node_(service_node), tls_(tls), runtime_(runtime), options_(std::move(options)),
tls_slot_(tls.allocateSlot()) {
if (!cm_.get(collector_cluster_)) {
throw EnvoyException(fmt::format("{} collector cluster is not defined on cluster manager level",
collector_cluster_));
Expand Down
8 changes: 8 additions & 0 deletions source/common/tracing/http_tracer_impl.h
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Expand Up @@ -28,6 +28,12 @@ struct HttpTracerStats {
HTTP_TRACER_STATS(GENERATE_COUNTER_STRUCT)
};

#define LIGHTSTEP_TRACER_STATS(COUNTER) COUNTER(spans_sent)

struct LightstepTracerStats {
LIGHTSTEP_TRACER_STATS(GENERATE_COUNTER_STRUCT)
};

class HttpNullTracer : public HttpTracer {
public:
// Tracing::HttpTracer
Expand Down Expand Up @@ -103,6 +109,7 @@ class LightStepSink : public HttpSink {
const std::string& collectorCluster() { return collector_cluster_; }
Runtime::Loader& runtime() { return runtime_; }
Stats::Store& statsStore() { return stats_store_; }
LightstepTracerStats& tracerStats() { return tracer_stats_; }

static const std::string LIGHTSTEP_SERVICE;
static const std::string LIGHTSTEP_METHOD;
Expand All @@ -125,6 +132,7 @@ class LightStepSink : public HttpSink {
const std::string collector_cluster_;
Upstream::ClusterManager& cm_;
Stats::Store& stats_store_;
LightstepTracerStats tracer_stats_;
const std::string service_node_;
ThreadLocal::Instance& tls_;
Runtime::Loader& runtime_;
Expand Down
3 changes: 3 additions & 0 deletions test/common/tracing/http_tracer_impl_test.cc
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Expand Up @@ -430,6 +430,8 @@ TEST_F(LightStepSinkTest, FlushSeveralSpans) {
stats_.counter(
"cluster.lightstep_saas.grpc.lightstep.collector.CollectorService.Report.total")
.value());

EXPECT_EQ(2U, stats_.counter("tracing.lightstep.spans_sent").value());
}

TEST_F(LightStepSinkTest, FlushOneSpanGrpcFailure) {
Expand Down Expand Up @@ -486,6 +488,7 @@ TEST_F(LightStepSinkTest, FlushOneSpanGrpcFailure) {
stats_.counter(
"cluster.lightstep_saas.grpc.lightstep.collector.CollectorService.Report.total")
.value());
EXPECT_EQ(1U, stats_.counter("tracing.lightstep.spans_sent").value());
}

} // Tracing