Configure Vector

We will configure vector to send logs to SigNoz Cloud

Prerequisites

• Vector running on your system

Setup

Follow these steps to set up Vector for forwarding logs to SigNoz Cloud:

1. Open your Vector configuration file (usually config.yaml)
2. Add the following sink configuration to the file:

   signoz_sink:
     type: http
     inputs:
       - <SOURCE_NAME>
     uri: https://ingest.<REGION>.signoz.cloud/logs/vector
     encoding:
       codec: json
     request:
       headers:
         signoz-access-token: "<SIGNOZ_INGESTION_KEY>"
   

<SOURCE_NAME>: The name of your Vector source (e.g., docker)

<REGION>: Region of your SigNoz Cloud tenant

<SIGNOZ_INGESTION_KEY>: SigNoz Cloud ingestion key

Save the configuration file and restart Vector to apply the changes.

Log Mapping for SigNoz

SigNoz processes incoming logs from Vector as follows:

• The timestamp field is automatically parsed.
• The source_type is moved to resource attributes.
• The message key is mapped to the body field.

OpenTelemetry (OTEL) Schema Transformation

You can consider transforming your logs to the OpenTelemetry schema at the Vector level. The OTEL schema structure is as follows:

{
  "trace_id": "<hex string>",
  "span_id": "<hex string>",
  "trace_flags": "<int>",
  "severity_text": "<string>",
  "severity_number": "<int>",
  "attributes": "<map>",
  "resources": "<map>",
  "source_type": "<string>",
  "message": "<string>"
}

Example of a transformed log entry:

{
  "trace_id": "000000000000000018c51935df0b93b9",
  "span_id": "18c51935df0b93b9",
  "trace_flags": 0,
  "severity_text": "info",
  "severity_number": 4,
  "attributes": {
      "method": "GET",
      "path": "/api/users"
  },
  "resources": {
      "host": "myhost",
      "namespace": "prod"
  },
  "source_type": "docker",
  "message": "This is a log line"
}

Note: Any fields not included in the OTEL schema will be automatically moved to log attributes by SigNoz.

If you prefer not to transform logs at Vector level, you can use SigNoz pipelines for processing the logs.