VictoriaMetrics/deployment/docker/victorialogs/logstash/README.md
Artem Navoiev d058f24650
examples add README
Signed-off-by: Artem Navoiev <tenmozes@gmail.com>
2023-07-06 21:26:33 -07:00

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# Docker compose Logstash integration with VictoriaLogs for syslog
It is required to use [OpenSearch plugin](https://github.com/opensearch-project/logstash-output-opensearch) for output configuration.
Plugin can be installed by using the following command:
```
bin/logstash-plugin install logstash-output-opensearch
```
OpenSearch plugin is required because elasticsearch output plugin performs various checks for Elasticsearch version and license which are not applicable for VictoriaLogs.
To spin-up environment run the following command:
```
docker compose up -d
```
To shut down the docker-compose environment run the following command:
```
docker compose down
docker compose rm -f
```
The docker compose file contains the following components:
* logstash - logstash is configured to accept `syslog` on `5140` port, you can find configuration in the `pipeline.conf`. It writes data in VictoriaLogs
* VictoriaLogs - the log database, it accepts the data from `logstash` by elastic protocol
Here is an example of logstash configuration(`pipeline.conf`):
```
input {
syslog {
port => 5140
}
}
output {
opensearch {
hosts => ["http://victorialogs:9428/insert/elasticsearch"]
custom_headers => {
"AccountID" => "0"
"ProjectID" => "0"
}
parameters => {
"_stream_fields" => "host.ip,process.name"
"_msg_field" => "message"
"_time_field" => "@timestamp"
}
}
}
```
Please, note that `_stream_fields` parameter must follow recommended [best practices](https://docs.victoriametrics.com/VictoriaLogs/keyConcepts.html#stream-fields) to achieve better performance.