{
    "metrics": {
        "port": 9145,
        "definitions": [
            {
                "type": "counter",
                "options": {
                    "name": "maps_api_requests_total",
                    "help": "MAPS API requests total"
                },
                "valuePath": "server_response.statusCode",
                "shouldMeasure": "({ value }) => Number.isFinite(value)",
                "measure": "({ metric }) => metric.inc()"
            },
            {
                "type": "counter",
                "options": {
                    "name": "maps_api_requests_ok_total",
                    "help": "MAPS API requests ok total"
                },
                "valuePath": "server_response.statusCode",
                "shouldMeasure": "({ value }) => value >= 200 && value < 400",
                "measure": "({ metric }) => metric.inc()"
            },
            {
                "type": "counter",
                "options": {
                    "name": "maps_api_requests_errors_total",
                    "help": "MAPS API requests errors total"
                },
                "valuePath": "server_response.statusCode",
                "shouldMeasure": "({ value }) => value >= 400",
                "measure": "({ metric }) => metric.inc()"
            },
            {
                "type": "histogram",
                "options": {
                    "name": "maps_api_response_time_total",
                    "help": "MAPS API response time total"
                },
                "valuePath": "stats.response",
                "shouldMeasure": "({ value }) => Number.isFinite(value)",
                "measure": "({ metric, value }) => metric.observe(value)"
            },
            {
                "type": "counter",
                "options": {
                    "name": "maps_api_requests",
                    "help": "MAPS API requests per user",
                    "labelNames": ["user", "http_code"]
                },
                "labelPaths": ["cdb-user", "server_response.statusCode"],
                "shouldMeasure": "({ labels }) => labels.every((label) => label !== undefined)",
                "measure": "({ metric, labels }) => metric.labels(...labels).inc()"
            },
            {
                "type": "counter",
                "options": {
                    "name": "maps_api_requests_ok",
                    "help": "MAPS API requests per user with success HTTP code",
                    "labelNames": ["user", "http_code"]
                },
                "labelPaths": ["cdb-user", "server_response.statusCode"],
                "valuePath": "server_response.statusCode",
                "shouldMeasure": "({ labels, value }) => labels.every((label) => label !== undefined) && value >= 200 && value < 400",
                "measure": "({ metric, labels }) => metric.labels(...labels).inc()"
            },
            {
                "type": "counter",
                "options": {
                    "name": "maps_api_requests_errors",
                    "help": "MAPS API requests per user with error HTTP code",
                    "labelNames": ["user", "http_code"]
                },
                "labelPaths": ["cdb-user", "server_response.statusCode"],
                "valuePath": "server_response.statusCode",
                "shouldMeasure": "({ labels, value }) => labels.every((label) => label !== undefined) && value >= 400",
                "measure": "({ metric, labels }) => metric.labels(...labels).inc()"
            },
            {
                "type": "histogram",
                "options": {
                    "name": "maps_api_response_time",
                    "help": "MAPS API response time total",
                    "labelNames": ["user"]
                },
                "labelPaths": ["cdb-user"],
                "valuePath": "stats.response",
                "shouldMeasure": "({ labels, value }) => labels.every((label) => label !== undefined) && Number.isFinite(value)",
                "measure": "({ metric, labels, value }) => metric.labels(...labels).observe(value)"
            }
        ]
    }
}