Environment variables

ELASTICSEARCH_QUERY_RESULTS_NAME
Name of prometheus gauge (default: 'elasticsearch_query_results')

ELASTICSEARCH_QUERY_RESULTS_TEXT
Text of prometheus gauge (default: 'Results from Elasticsearch query')

ES_QUERY_TIME_NAME
Name of total Elasticsearch query time summary (default: 'es_query_time_seconds')

ES_QUERY_TIME_TEXT
Text of total Elasticsearch query time summary (default: 'Time spent Querying Elasticsearchi')

ES_HOST_LIST
Comma-separated list of Elasticsearch endpoints (default: 'http://elasticsearch.jamiehouse:9200')

ES_MAX_CONNECTIONS
Max connections (default: 25)

ES_SEARCH_INDEX
Elasticsearch search index (default: tempsensor-\*)

ES_SEARCH_BODY
Elasticsearch search body (default: '{"query":{"range":{"@timestamp":{"gt":"now-15m"}}},"aggs":{"avg_temp":{"avg":{"field":"temp"}}}}')

ES_SEARCH_RESULT_FIELD_PATH
Dot-separated path to index result JSON for single-value to store in ELASTICSEARCH_QUERY_RESULTS gauge (default: 'aggregations.avg_temp.value')

SLEEP_TIME
Seconds to sleep between queries (default: 10)
