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feat(unstable): add metrics to otel (#27143)

Browse source 
Refs: https://github.com/denoland/deno/issues/26852

Initial support for exporting metrics.

Co-authored-by: Luca Casonato <hello@lcas.dev>
This commit is contained in:
snek 2024-12-02 20:45:41 +01:00 • committed by GitHub
parent 6dd2d5e49e
commit 7c036772df
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GPG key ID: B5690EEEBB952194
11 changed files with 1174 additions and 35 deletions
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4
tests/specs/cli/otel_basic/__test__.jsonc
View file

@ -15,6 +15,10 @@
{
"args": "run -A main.ts uncaught.ts",
"output": "uncaught.out"
},
{
"args": "run -A main.ts metric.ts",
"output": "metric.out"
}
]
}

3
tests/specs/cli/otel_basic/basic.out
View file

@ -188,5 +188,6 @@
"traceId": "00000000000000000000000000000003",
"spanId": "1000000000000002"
}
]
],
"metrics": []
}

3
tests/specs/cli/otel_basic/deno_dot_exit.out
View file

@ -15,5 +15,6 @@
"traceId": "",
"spanId": ""
}
]
],
"metrics": []
}

6
tests/specs/cli/otel_basic/main.ts
View file

@ -3,6 +3,7 @@
const data = {
spans: [],
logs: [],
metrics: [],
};
const server = Deno.serve(
@ -45,6 +46,11 @@ const server = Deno.serve(
data.spans.push(...sSpans.spans);
});
});
body.resourceMetrics?.forEach((rMetrics) => {
rMetrics.scopeMetrics.forEach((sMetrics) => {
data.metrics.push(...sMetrics.metrics);
});
});
return Response.json({ partialSuccess: {} }, { status: 200 });
},
},

124
tests/specs/cli/otel_basic/metric.out Normal file
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@ -0,0 +1,124 @@
{
"spans": [],
"logs": [],
"metrics": [
{
"name": "counter",
"description": "Example of a Counter",
"unit": "",
"metadata": [],
"sum": {
"dataPoints": [
{
"attributes": [
{
"key": "attribute",
"value": {
"doubleValue": 1
}
}
],
"startTimeUnixNano": "[WILDCARD]",
"timeUnixNano": "[WILDCARD]",
"exemplars": [],
"flags": 0,
"asDouble": 1
}
],
"aggregationTemporality": 2,
"isMonotonic": true
}
},
{
"name": "up_down_counter",
"description": "Example of a UpDownCounter",
"unit": "",
"metadata": [],
"sum": {
"dataPoints": [
{
"attributes": [
{
"key": "attribute",
"value": {
"doubleValue": 1
}
}
],
"startTimeUnixNano": "[WILDCARD]",
"timeUnixNano": "[WILDCARD]",
"exemplars": [],
"flags": 0,
"asDouble": -1
}
],
"aggregationTemporality": 2,
"isMonotonic": false
}
},
{
"name": "histogram",
"description": "Example of a Histogram",
"unit": "",
"metadata": [],
"histogram": {
"dataPoints": [
{
"attributes": [
{
"key": "attribute",
"value": {
"doubleValue": 1
}
}
],
"startTimeUnixNano": "[WILDCARD]",
"timeUnixNano": "[WILDCARD]",
"count": 1,
"sum": 1,
"bucketCounts": [
0,
1,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0
],
"explicitBounds": [
0,
5,
10,
25,
50,
75,
100,
250,
500,
750,
1000,
2500,
5000,
7500,
10000
],
"exemplars": [],
"flags": 0,
"min": 1,
"max": 1
}
],
"aggregationTemporality": 2
}
}
]
}

34
tests/specs/cli/otel_basic/metric.ts Normal file
View file

@ -0,0 +1,34 @@
import {
MeterProvider,
PeriodicExportingMetricReader,
} from "npm:@opentelemetry/sdk-metrics@1.28.0";
const meterProvider = new MeterProvider();
meterProvider.addMetricReader(
new PeriodicExportingMetricReader({
exporter: new Deno.telemetry.MetricExporter(),
exportIntervalMillis: 100,
}),
);
const meter = meterProvider.getMeter("m");
const counter = meter.createCounter("counter", {
description: "Example of a Counter",
});
const upDownCounter = meter.createUpDownCounter("up_down_counter", {
description: "Example of a UpDownCounter",
});
const histogram = meter.createHistogram("histogram", {
description: "Example of a Histogram",
});
const attributes = { attribute: 1 };
counter.add(1, attributes);
upDownCounter.add(-1, attributes);
histogram.record(1, attributes);
await meterProvider.forceFlush();

3
tests/specs/cli/otel_basic/natural_exit.out
View file

@ -15,5 +15,6 @@
"traceId": "",
"spanId": ""
}
]
],
"metrics": []
}

3
tests/specs/cli/otel_basic/uncaught.out
View file

@ -33,5 +33,6 @@ throw new Error("uncaught");
"traceId": "",
"spanId": ""
}
]
],
"metrics": []
}