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Support custom resource attributes (fix #32).

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Now attributes can be set with "otel_resource_attr" directive, e.g.
    otel_resource_attr my.name "my value";
This commit is contained in:
Pavel Pautov 2024-11-09 15:51:33 -08:00 • committed by p-pautov
parent 1074d02758
commit b5c8cd8de3
2 changed files with 79 additions and 25 deletions
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11
src/batch_exporter.hpp
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@ -112,7 +112,8 @@ public:
};
BatchExporter(StrView target,
size_t batchSize, size_t batchCount, StrView serviceName) :
size_t batchSize, size_t batchCount,
const std::map<StrView, StrView>& resourceAttrs) :
batchSize(batchSize), client(std::string(target))
{
free.reserve(batchCount);
@ -120,9 +121,11 @@ public:
free.emplace_back();
auto resourceSpans = free.back().add_resource_spans();
auto attr = resourceSpans->mutable_resource()->add_attributes();
attr->set_key("service.name");
attr->mutable_value()->set_string_value(std::string(serviceName));
for (auto& attr : resourceAttrs) {
auto kv = resourceSpans->mutable_resource()->add_attributes();
kv->set_key(std::string(attr.first));
kv->mutable_value()->set_string_value(std::string(attr.second));
}
auto scopeSpans = resourceSpans->add_scope_spans();
scopeSpans->mutable_scope()->set_name("nginx");