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69 lines
3.8 KiB
Markdown
69 lines
3.8 KiB
Markdown
---
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weight: 4
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title: Promtail setup
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disableToc: true
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menu:
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docs:
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parent: "victorialogs-data-ingestion"
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weight: 4
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aliases:
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- /VictoriaLogs/data-ingestion/Promtail.html
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---
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# Promtail setup
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[Promtail](https://grafana.com/docs/loki/latest/clients/promtail/) is a default log shipper for Grafana Loki.
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Promtail can be configured to send the collected logs to VictoriaLogs according to the following docs.
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Specify [`clients`](https://grafana.com/docs/loki/latest/clients/promtail/configuration/#clients) section in the configuration file
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for sending the collected logs to [VictoriaLogs](https://docs.victoriametrics.com/VictoriaLogs/):
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```yaml
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clients:
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- url: http://localhost:9428/insert/loki/api/v1/push?_stream_fields=instance,job,host,app
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```
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Substitute `localhost:9428` address inside `clients` with the real TCP address of VictoriaLogs.
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By default VictoriaLogs stores all the ingested logs into a single [log stream](https://docs.victoriametrics.com/VictoriaLogs/keyConcepts.html#stream-fields).
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Storing all the logs in a single log stream may be not so efficient, so it is recommended to specify `_stream_fields` query arg
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with the list of labels, which uniquely identify log streams. There is no need in specifying all the labels Promtail generates there -
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it is usually enough specifying `instance` and `job` labels. See [these docs](https://docs.victoriametrics.com/VictoriaLogs/keyConcepts.html#stream-fields)
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for details.
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See also [these docs](https://docs.victoriametrics.com/VictoriaLogs/data-ingestion/#http-parameters) for details on other supported query args.
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There is no need in specifying `_msg_field` and `_time_field` query args, since VictoriaLogs automatically extracts log message and timestamp from the ingested Loki data.
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It is recommended verifying whether the initial setup generates the needed [log fields](https://docs.victoriametrics.com/VictoriaLogs/keyConcepts.html#data-model)
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and uses the correct [stream fields](https://docs.victoriametrics.com/VictoriaLogs/keyConcepts.html#stream-fields).
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This can be done by specifying `debug` [parameter](https://docs.victoriametrics.com/VictoriaLogs/data-ingestion/#http-parameters)
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and inspecting VictoriaLogs logs then:
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```yaml
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clients:
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- url: http://localhost:9428/insert/loki/api/v1/push?_stream_fields=instance,job,host,app&debug=1
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```
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If some [log fields](https://docs.victoriametrics.com/VictoriaLogs/keyConcepts.html#data-model) must be skipped
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during data ingestion, then they can be put into `ignore_fields` [parameter](https://docs.victoriametrics.com/VictoriaLogs/data-ingestion/#http-parameters).
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For example, the following config instructs VictoriaLogs to ignore `filename` and `stream` fields in the ingested logs:
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```yaml
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clients:
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- url: http://localhost:9428/insert/loki/api/v1/push?_stream_fields=instance,job,host,app&ignore_fields=filename,stream
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```
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By default the ingested logs are stored in the `(AccountID=0, ProjectID=0)` [tenant](https://docs.victoriametrics.com/VictoriaLogs/#multitenancy).
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If you need storing logs in other tenant, then specify the needed tenant via `tenant_id` field
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in the [Loki client configuration](https://grafana.com/docs/loki/latest/clients/promtail/configuration/#clients)
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The `tenant_id` must have `AccountID:ProjectID` format, where `AccountID` and `ProjectID` are arbitrary uint32 numbers.
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For example, the following config instructs VictoriaLogs to store logs in the `(AccountID=12, ProjectID=34)` [tenant](https://docs.victoriametrics.com/VictoriaLogs/#multitenancy):
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```yaml
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clients:
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- url: http://localhost:9428/insert/loki/api/v1/push?_stream_fields=instance,job,host,app&debug=1
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tenant_id: "12:34"
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```
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The ingested log entries can be queried according to [these docs](https://docs.victoriametrics.com/VictoriaLogs/querying/).
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See also [data ingestion troubleshooting](https://docs.victoriametrics.com/VictoriaLogs/data-ingestion/#troubleshooting) docs.
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