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fix: upstream grpc stats on trailers only #10842

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Merged
mattklein123 merged 2 commits into from
Apr 20, 2020
Merged

fix: upstream grpc stats on trailers only #10842

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f0d911d
fix: upstream grpc stats on trailers only
Sh4d1 Apr 19, 2020
bfcc17c
refacto send upstream grpc stats
Sh4d1 Apr 20, 2020
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11 changes: 11 additions & 0 deletions source/extensions/filters/http/grpc_stats/grpc_stats_filter.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -207,6 +207,17 @@ class GrpcStatsFilter : public Http::PassThroughFilter {
if (doStatTracking()) {
config_->context_.chargeStat(*cluster_, Grpc::Context::Protocol::Grpc, request_names_,
headers.GrpcStatus());
if (end_stream) {
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if (config_->enable_upstream_stats_ &&
decoder_callbacks_->streamInfo().lastUpstreamTxByteSent().has_value() &&
decoder_callbacks_->streamInfo().lastUpstreamRxByteReceived().has_value()) {
std::chrono::milliseconds chrono_duration =
std::chrono::duration_cast<std::chrono::milliseconds>(
decoder_callbacks_->streamInfo().lastUpstreamRxByteReceived().value() -
decoder_callbacks_->streamInfo().lastUpstreamTxByteSent().value());
config_->context_.chargeUpstreamStat(*cluster_, request_names_, chrono_duration);
}
}
}
return Http::FilterHeadersStatus::Continue;
}
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27 changes: 27 additions & 0 deletions test/extensions/filters/http/grpc_stats/config_test.cc
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Expand Up @@ -436,6 +436,33 @@ TEST_F(GrpcStatsFilterConfigTest, UpstreamStats) {
doRequestResponse(request_headers);
}

TEST_F(GrpcStatsFilterConfigTest, UpstreamStatsWithTrailersOnly) {
config_.mutable_stats_for_all_methods()->set_value(true);
config_.set_emit_filter_state(true);
config_.set_enable_upstream_stats(true);
initialize();

ON_CALL(stream_info_, lastUpstreamRxByteReceived())
.WillByDefault(testing::Return(
absl::optional<std::chrono::nanoseconds>(std::chrono::nanoseconds(30000000))));
ON_CALL(stream_info_, lastUpstreamTxByteSent())
.WillByDefault(testing::Return(
absl::optional<std::chrono::nanoseconds>(std::chrono::nanoseconds(20000000))));

EXPECT_CALL(stats_store_,
deliverHistogramToSinks(
Property(&Stats::Metric::name,
"grpc.lyft.users.BadCompanions.GetBadCompanions.upstream_rq_time"),
10ul));
Http::TestRequestHeaderMapImpl request_headers{
{"content-type", "application/grpc+proto"},
{":path", "/lyft.users.BadCompanions/GetBadCompanions"}};

EXPECT_EQ(Http::FilterHeadersStatus::Continue, filter_->decodeHeaders(request_headers, false));
Http::TestResponseHeaderMapImpl response_headers{{":status", "500"}};
EXPECT_EQ(Http::FilterHeadersStatus::Continue, filter_->encodeHeaders(response_headers, true));
}

} // namespace
} // namespace GrpcStats
} // namespace HttpFilters
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