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https://github.com/yevgen-grytsay/otel-dice-server
Приклад HTTP-серверу, інструментованого для передачі метрик і трейсів за протоколом OpenTelemetry
https://github.com/yevgen-grytsay/otel-dice-server
monitoring observability opentelemetry opentelemetry-go
Last synced: 1 day ago
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Приклад HTTP-серверу, інструментованого для передачі метрик і трейсів за протоколом OpenTelemetry
- Host: GitHub
- URL: https://github.com/yevgen-grytsay/otel-dice-server
- Owner: yevgen-grytsay
- Created: 2024-05-16T13:53:24.000Z (8 months ago)
- Default Branch: main
- Last Pushed: 2024-05-25T19:52:39.000Z (8 months ago)
- Last Synced: 2024-11-22T07:18:39.391Z (2 months ago)
- Topics: monitoring, observability, opentelemetry, opentelemetry-go
- Language: Go
- Homepage:
- Size: 22.5 KB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
```sh
go get go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp
go get go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp
```
```sh
kubectl run dice --image=yevhenhrytsai/dice:v1.0.0
```
## Debug HTTP
```sh
kubectl run curl --image=radial/busyboxplus:curl -i --tty --rm -n kbot
```
### Prometheus
```sh
export POD_NAME=$(kubectl get pods --namespace kbot -l "app.kubernetes.io/name=prometheus,app.kubernetes.io/instance=prometheus" -o jsonpath="{.items[0].metadata.name}")
kubectl --namespace kbot port-forward $POD_NAME 9090
```
## Examples
- [opentelemetry-go-contrib | server](https://github.com/open-telemetry/opentelemetry-go-contrib/blob/main/instrumentation/net/http/otelhttp/example/server/server.go)
## Collector
Лог TracesExporter з'являється одразу піся запиту до `/rolldice`.
Лог MetricsExporter з'являється з інтервалом, вказаним в налаштуваннях `metric.MeterProvider`.
```go
meterProvider := metric.NewMeterProvider(metric.WithReader(metric.NewPeriodicReader(exp, metric.WithInterval(10*time.Second))))
```
```
2024-05-15T16:08:45.059Z info TracesExporter {"kind": "exporter", "data_type": "traces", "name": "debug", "resource spans": 1, "spans": 1}
2024-05-15T16:08:46.062Z info TracesExporter {"kind": "exporter", "data_type": "traces", "name": "debug", "resource spans": 1, "spans": 1}
2024-05-15T16:08:47.923Z info MetricsExporter {"kind": "exporter", "data_type": "metrics", "name": "debug", "resource metrics": 1, "metrics": 1, "data points": 1}
2024-05-15T16:08:50.075Z info TracesExporter {"kind": "exporter", "data_type": "traces", "name": "debug", "resource spans": 1, "spans": 3}
2024-05-15T16:08:57.952Z info MetricsExporter {"kind": "exporter", "data_type": "metrics", "name": "debug", "resource metrics": 1, "metrics": 1, "data points": 3}
2024-05-15T16:09:07.983Z info MetricsExporter {"kind": "exporter", "data_type": "metrics", "name": "debug", "resource metrics": 1, "metrics": 1, "data points": 3}
2024-05-15T16:09:17.975Z info TracesExporter {"kind": "exporter", "data_type": "traces", "name": "debug", "resource spans": 1, "spans": 1}
2024-05-15T16:09:18.016Z info MetricsExporter {"kind": "exporter", "data_type": "metrics", "name": "debug", "resource metrics": 1, "metrics": 1, "data points": 3}
2024-05-15T16:09:18.977Z info TracesExporter {"kind": "exporter", "data_type": "traces", "name": "debug", "resource spans": 1, "spans": 1}
2024-05-15T16:09:20.984Z info TracesExporter {"kind": "exporter", "data_type": "traces", "name": "debug", "resource spans": 1, "spans": 1}
```
## Resources
- [otel/exporters/otlp/otlpmetric/otlpmetrichttp](https://pkg.go.dev/go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp)
- [Instrumenting a Go application for Prometheus](https://prometheus.io/docs/guides/go-application/)