VictoriaMetrics/docs/VictoriaLogs/data-ingestion/opentelemetry.md
Andrii Chubatiuk 05a64a8c14
victorialogs: marked fluentd support in roadmap, added syslog example (#7098)
### Describe Your Changes

Marked fluentd in victorialogs roadmap
Added fluentd syslog example setup

### Checklist

The following checks are **mandatory**:

- [ ] My change adheres [VictoriaMetrics contributing
guidelines](https://docs.victoriametrics.com/contributing/).
2024-09-27 14:38:39 +02:00

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---
weight: 4
title: OpenTelemetry setup
disableToc: true
menu:
docs:
parent: "victorialogs-data-ingestion"
weight: 4
aliases:
- /VictoriaLogs/data-ingestion/OpenTelemetry.html
---
VictoriaLogs supports both client open-telemetry [SDK](https://opentelemetry.io/docs/languages/) and [collector](https://opentelemetry.io/docs/collector/).
## Client SDK
Specify `EndpointURL` for http-exporter builder.
Consider the following example for `golang` `SDK`:
```go
// Create the OTLP log exporter that sends logs to configured destination
logExporter, err := otlploghttp.New(ctx,
otlploghttp.WithEndpointURL("http://victorialogs:9428/insert/opentelemetry/v1/logs"),
)
```
Optionally, [stream fields](https://docs.victoriametrics.com/victorialogs/keyconcepts/#stream-fields) could be defined via headers:
```go
// Create the OTLP log exporter that sends logs to configured destination
logExporter, err := otlploghttp.New(ctx,
otlploghttp.WithEndpointURL("http://victorialogs:9428/insert/opentelemetry/v1/logs"),
otlploghttp.WithHeaders(map[string]string{"VL-Stream-Fields": "telemetry.sdk.language,severity"}),
)
```
Given config defines 2 stream fields - `severity` and `telemetry.sdk.language`.
See also [HTTP headers](https://docs.victoriametrics.com/victorialogs/data-ingestion/#http-headers)
## Collector configuration
VictoriaLogs supports given below OpenTelemetry collector exporters:
* [Elasticsearch](#elasticsearch)
* [Loki](#loki)
* [OpenTelemetry](#opentelemetry)
### Elasticsearch
```yaml
exporters:
elasticsearch:
endpoints:
- http://victorialogs:9428/insert/elasticsearch
headers:
VL-Msg-Field: "Body" # Optional.
receivers:
filelog:
include: [/tmp/logs/*.log]
resource:
region: us-east-1
service:
pipelines:
logs:
receivers: [filelog]
exporters: [elasticsearch]
```
Please note that every ingested log entry **must** contain at least a `_msg` field with the actual log message. By default,
the Elasticsearch exporter may place the log message in the `Body` field. In this case, you can specify the field mapping via:
```yaml
headers:
VL-Msg-Field: "Body"
```
VictoriaLogs also support specify `AccountID`, `ProjectID`, log timestamp and other fields via [HTTP headers](https://docs.victoriametrics.com/victorialogs/data-ingestion/#http-headers).
### Loki
```yaml
exporters:
loki:
endpoint: http://victorialogs:9428/insert/loki/api/v1/push
receivers:
filelog:
include: [/tmp/logs/*.log]
resource:
region: us-east-1
service:
pipelines:
logs:
receivers: [filelog]
exporters: [loki]
```
### OpenTelemetry
Specify logs endpoint for [OTLP/HTTP exporter](https://github.com/open-telemetry/opentelemetry-collector/blob/main/exporter/otlphttpexporter/README.md) in configuration file
for sending the collected logs to [VictoriaLogs](https://docs.victoriametrics.com/VictoriaLogs/):
```yaml
exporters:
otlphttp:
logs_endpoint: http://localhost:9428/insert/opentelemetry/v1/logs
```
Optionally, [stream fields](https://docs.victoriametrics.com/victorialogs/keyconcepts/#stream-fields) could be defined via headers:
```yaml
exporters:
otlphttp:
logs_endpoint: http://localhost:9428/insert/opentelemetry/v1/logs
headers:
VL-Stream-Fields: telemetry.sdk.language,severity
```
See also [HTTP headers](https://docs.victoriametrics.com/victorialogs/data-ingestion/#http-headers)
Substitute `localhost:9428` address inside `exporters.otlphttp.logs_endpoint` with the real address of VictoriaLogs.
The ingested log entries can be queried according to [these docs](https://docs.victoriametrics.com/VictoriaLogs/querying/).
See also:
* [Data ingestion troubleshooting](https://docs.victoriametrics.com/victorialogs/data-ingestion/#troubleshooting).
* [How to query VictoriaLogs](https://docs.victoriametrics.com/victorialogs/querying/).
* [Docker-compose demo for OpenTelemetry collector integration with VictoriaLogs](https://github.com/VictoriaMetrics/VictoriaMetrics/tree/master/deployment/docker/victorialogs/opentelemetry-collector).