promesque 0.0.3

Configurable Prometheus exporter for results of Elasticsearch queries

promesque is a configurable Prometheus exporter for results of Elasticsearch queries.

Installation

pip3 install promesque

Usage

promesque path/to/some/config.yml --log-level info

Refer to exporter_es.yml as an example for such a config. The supported fields are explained below.

Configuration File

Configuration file is in a yaml format with single configuration scope (metrics).

Each item in metrics scope define a metric and must have following attributes:

• description: description of a metric (what it does)

• data_path: jsonpath to data buckets in Elasticsearch response to build metrics from (default: $)

• value_path: jsonpath to metric value within data bucket

• labels: inner scope with name: reference for each metric:

  • name: name of label exposed by exporter

  • reference: jsonpath to label value within data bucket

• url: url to Elasticsearch cluster (include index)

• query: query in json format; must

  • either be inclosed in single quotes (e.g. '{ "query": {...} }')

  • or written in YAML block notation with proper indentation, e.g.,

    es_query: |
      {
        "query": {
          ...
        }
      }