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feat(opentelemetry-config): set headers from headers_list #6060

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feat(opentelemetry-config): set headers from headers_list #6060

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f12baa3
feat(opentelemetry-config): set headers from headers_list
JamieDanielson Oct 28, 2025
ccad42a
update changelog
JamieDanielson Oct 28, 2025
5979289
Merge branch 'main' into jamie.config-headers-list
JamieDanielson Nov 6, 2025
38bda18
refactor and add more tests
JamieDanielson Nov 6, 2025
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2 changes: 2 additions & 0 deletions experimental/CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,8 @@ For notes on migrating to 2.x / 0.200.x see [the upgrade guide](doc/upgrade-to-2

### :rocket: Features

* feat(opentelemetry-config): set headers from headers_list [#6060](https://github.com/open-telemetry/opentelemetry-js/pull/6060) @JamieDanielson

### :bug: Bug Fixes

### :books: Documentation
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44 changes: 44 additions & 0 deletions experimental/packages/opentelemetry-configuration/src/FileConfigProvider.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -358,6 +358,17 @@ function parseConfigSpanOrLogRecordExporter(
headersList = getStringFromConfigFile(e['headers_list']);
if (headersList && parsedExporter.otlp_http) {
parsedExporter.otlp_http.headers_list = headersList;
const list = getStringListFromConfigFile(e['headers_list']);
if (list && list.length > 0 && e['headers'] == null) {
parsedExporter.otlp_http.headers = [];
for (let i = 0; i < list.length; i++) {
const element = list[i].split('=');
parsedExporter.otlp_http.headers.push({
name: element[0],
value: element[1],
});
}
}
}
headers = getConfigHeaders(e['headers']);
if (headers && parsedExporter.otlp_http) {
Expand Down Expand Up @@ -396,6 +407,17 @@ function parseConfigSpanOrLogRecordExporter(
headersList = getStringFromConfigFile(e['headers_list']);
if (headersList && parsedExporter.otlp_grpc) {
parsedExporter.otlp_grpc.headers_list = headersList;
const list = getStringListFromConfigFile(e['headers_list']);
if (list && list.length > 0 && e['headers'] == null) {
parsedExporter.otlp_grpc.headers = [];
for (let i = 0; i < list.length; i++) {
const element = list[i].split('=');
parsedExporter.otlp_grpc.headers.push({
name: element[0],
value: element[1],
});
}
}
}
headers = getConfigHeaders(e['headers']);
if (headers && parsedExporter.otlp_grpc) {
Expand Down Expand Up @@ -687,6 +709,17 @@ function parseMetricExporter(exporter: PushMetricExporter): PushMetricExporter {
headersList = getStringFromConfigFile(e['headers_list']);
if (headersList && parsedExporter.otlp_http) {
parsedExporter.otlp_http.headers_list = headersList;
const list = getStringListFromConfigFile(e['headers_list']);
if (list && list.length > 0 && e['headers'] == null) {
parsedExporter.otlp_http.headers = [];
for (let i = 0; i < list.length; i++) {
const element = list[i].split('=');
parsedExporter.otlp_http.headers.push({
name: element[0],
value: element[1],
});
}
}
}
headers = getConfigHeaders(e['headers']);
if (headers && parsedExporter.otlp_http) {
Expand Down Expand Up @@ -731,6 +764,17 @@ function parseMetricExporter(exporter: PushMetricExporter): PushMetricExporter {
headersList = getStringFromConfigFile(e['headers_list']);
if (headersList && parsedExporter.otlp_grpc) {
parsedExporter.otlp_grpc.headers_list = headersList;
const list = getStringListFromConfigFile(e['headers_list']);
if (list && list.length > 0 && e['headers'] == null) {
parsedExporter.otlp_grpc.headers = [];
for (let i = 0; i < list.length; i++) {
const element = list[i].split('=');
parsedExporter.otlp_grpc.headers.push({
name: element[0],
value: element[1],
});
}
}
}
headers = getConfigHeaders(e['headers']);
if (headers && parsedExporter.otlp_grpc) {
Expand Down
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