Calyptia Core Agent
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Running a Logging Pipeline Locally

You may wish to test a logging pipeline locally to observe how it deals with log messages. The following is a walk-through for running Fluent Bit and Elasticsearch locally with Docker Compose which can serve as an example for testing other plugins locally.

Create a Configuration File

Refer to the Configuration File section to create a configuration to test.
fluent-bit.conf:
[INPUT]
Name dummy
Dummy {"top": {".dotted": "value"}}
[OUTPUT]
Name es
Host elasticsearch
Replace_Dots On

Docker Compose

Use Docker Compose to run Fluent Bit (with the configuration file mounted) and Elasticsearch.
docker-compose.yaml:
version: "3.7"
services:
fluent-bit:
image: fluent/fluent-bit
volumes:
- ./fluent-bit.conf:/fluent-bit/etc/fluent-bit.conf
depends_on:
- elasticsearch
elasticsearch:
image: elasticsearch:7.6.2
ports:
- "9200:9200"
environment:
- discovery.type=single-node

View indexed logs

To view indexed logs run:
curl "localhost:9200/_search?pretty" \
-H 'Content-Type: application/json' \
-d'{ "query": { "match_all": {} }}'
To "start fresh", delete the index by running:
curl -X DELETE "localhost:9200/fluent-bit?pretty"