Use Telegraf's HTTP listener input plugin to receive event-driven JSON from applications. Configure Telegraf's JSON handling for the incoming payload and include the required JSON acceptance header setting. The evidence confirms ingestion through the listener, but it does not define field-level validation rules or rejection behavior.
Event-Driven Ingestion Path
Send each enriched application event to Telegraf's HTTP listener instead of writing directly to InfluxDB. This preserves Telegraf as the processing point between the application and database. The available evidence does not specify a listener address, port, endpoint path, authentication method, or database output configuration; obtain those values from the deployed Telegraf configuration.
Configure the HTTP Listener and JSON Handling
- Enable the HTTP listener input plugin in Telegraf.
- Configure the listener to handle the incoming JSON structure.
- Apply the reported JSON acceptance header setting in the appropriate configuration context:
headers = {"accept" = "application/json"}The source identifies the missing accept header setting as the reason an initial test failed. It does not provide the surrounding plugin configuration, so do not infer a plugin identifier, endpoint, or additional parser options from this fragment.
Verify Parsing and Validation Boundaries
Trigger a real application event, send its enriched JSON payload to the configured listener, and confirm that Telegraf handles the payload before it reaches the database output. Test malformed or incomplete payloads separately if validation is required. The evidence supports configurable JSON handling, but it does not establish that Telegraf automatically enforces a schema, required fields, data types, or custom business rules.
Define the required validation behavior before deployment: identify which payload defects must be rejected, transformed, or omitted, then verify that the selected Telegraf JSON configuration implements those decisions. If the configuration cannot express a required rule, retain that validation in the sending application or another processing stage.
FAQ
Can an application send JSON directly to Telegraf?
Yes. Configure Telegraf's HTTP listener input plugin and configure how it handles the application's JSON payload.
Why did my Telegraf JSON listener test fail?
The reported test failed until the configuration included headers = {"accept" = "application/json"}. The evidence does not identify any other required listener settings.
Does Telegraf validate JSON before writing to InfluxDB?
Telegraf can handle JSON before the database output, but the evidence does not confirm automatic schema or business-rule validation. Test the configured parser with valid, malformed, and incomplete event payloads to establish its actual acceptance behavior.