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Make opencensus Stackdriver exporter respects initial_metadata option #11831

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Merged
htuch merged 8 commits into from
Jul 17, 2020
Merged

Make opencensus Stackdriver exporter respects initial_metadata option #11831

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1a42e58
add initial metadata interceptor into google gRPC channel creation
bianpengyuan Jun 30, 2020
a8e6f31
tidy
bianpengyuan Jul 1, 2020
3ecfc93
use prepare_client_context
bianpengyuan Jul 12, 2020
a901b50
improve coverage
bianpengyuan Jul 12, 2020
4740bb2
nit
bianpengyuan Jul 13, 2020
abb1557
add todo
bianpengyuan Jul 16, 2020
a15839c
Merge remote-tracking branch 'upstream-envoy/master' into oc-grpc
bianpengyuan Jul 16, 2020
61d1e68
lower coverage limit for opencensus tracer
bianpengyuan Jul 16, 2020
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8 changes: 4 additions & 4 deletions bazel/repository_locations.bzl
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Expand Up @@ -388,10 +388,10 @@ DEPENDENCY_REPOSITORIES = dict(
use_category = ["other"],
),
io_opencensus_cpp = dict(
sha256 = "193ffb4e13bd7886757fd22b61b7f7a400634412ad8e7e1071e73f57bedd7fc6",
strip_prefix = "opencensus-cpp-04ed0211931f12b03c1a76b3907248ca4db7bc90",
# 2020-03-24
urls = ["https://github.com/census-instrumentation/opencensus-cpp/archive/04ed0211931f12b03c1a76b3907248ca4db7bc90.tar.gz"],
sha256 = "12ff300fa804f97bd07e2ff071d969e09d5f3d7bbffeac438c725fa52a51a212",
strip_prefix = "opencensus-cpp-7877337633466358ed680f9b26967da5b310d7aa",
# 2020-06-01
urls = ["https://github.com/census-instrumentation/opencensus-cpp/archive/7877337633466358ed680f9b26967da5b310d7aa.tar.gz"],
use_category = ["observability"],
cpe = "N/A",
),
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8 changes: 8 additions & 0 deletions source/extensions/tracers/opencensus/opencensus_tracer_impl.cc
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Expand Up @@ -282,6 +282,14 @@ Driver::Driver(const envoy::config::trace::v3::OpenCensusConfig& oc_config,
}
auto channel = Envoy::Grpc::GoogleGrpcUtils::createChannel(stackdriver_service, api);
opts.trace_service_stub = ::google::devtools::cloudtrace::v2::TraceService::NewStub(channel);
const auto& initial_metadata = oc_config.stackdriver_grpc_service().initial_metadata();
if (!initial_metadata.empty()) {
opts.prepare_client_context = [initial_metadata](grpc::ClientContext* ctx) {
for (const auto& metadata : initial_metadata) {
ctx->AddMetadata(metadata.key(), metadata.value());
}
};
}
#else
throw EnvoyException("Opencensus tracer: cannot handle stackdriver google grpc service, "
"google grpc is not built in.");
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3 changes: 3 additions & 0 deletions test/extensions/tracers/opencensus/config_test.cc
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Expand Up @@ -322,6 +322,9 @@ TEST(OpenCensusTracerConfigTest, OpenCensusHttpTracerStackdriverGrpc) {
google_grpc:
target_uri: 127.0.0.1:55678
stat_prefix: test
initial_metadata:
- key: foo
value: bar
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)EOF";

envoy::config::trace::v3::Tracing configuration;
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