@bitblit/ratchet-aws/lib/cloudwatch/cloud-watch-metrics-ratchet.js

Common tools for use with AWS browser and node

import { CloudWatchClient, PutMetricDataCommand, StandardUnit, } from '@aws-sdk/client-cloudwatch';
import { DateTime } from 'luxon';
import { Logger } from '@bitblit/ratchet-common/logger/logger';
export class CloudWatchMetricsRatchet {
    cw;
    constructor(cloudWatch = null) {
        this.cw = cloudWatch ? cloudWatch : new CloudWatchClient({ region: 'us-east-1', apiVersion: '2010-08-01' });
    }
    get cloudWatchClient() {
        return this.cw;
    }
    async writeSingleMetric(namespace, metric, dims, unit = StandardUnit.None, value, timestampDate = new Date(), highResolution = false) {
        const cwDims = [];
        if (!!dims && dims.length > 0) {
            dims.forEach((d) => {
                cwDims.push({ Name: d.key, Value: d.value });
            });
        }
        const storageResolution = highResolution ? 1 : 60;
        const metricData = {
            Namespace: namespace,
            MetricData: [
                {
                    MetricName: metric,
                    Dimensions: cwDims,
                    Unit: unit,
                    Value: value,
                    Timestamp: timestampDate,
                    StorageResolution: storageResolution,
                },
            ],
        };
        Logger.silly('Writing metric to cw : %j', metricData);
        const result = await this.cw.send(new PutMetricDataCommand(metricData));
        Logger.silly('Result: %j', result);
        return result;
    }
    async writeDynamoCountAsMinuteLevelMetric(req) {
        Logger.info('Publishing %s / %s metric for %s UTC', req.namespace, req.metric, req.minuteUTC);
        if (!!req.scan && !!req.query) {
            throw new Error('Must send query or scan, but not both');
        }
        if (!req.scan && !req.query) {
            throw new Error('You must specify either a scan or a query');
        }
        const cnt = req.query
            ? await req.dynamoRatchet.fullyExecuteQueryCount(req.query)
            : await req.dynamoRatchet.fullyExecuteScanCount(req.scan);
        Logger.debug('%s / %s for %s are %j', req.namespace, req.metric, req.minuteUTC, cnt);
        const parseDateString = req.minuteUTC.split(' ').join('T') + ':00Z';
        const parseDate = DateTime.fromISO(parseDateString).toJSDate();
        const metricRes = await this.writeSingleMetric(req.namespace, req.metric, req.dims, StandardUnit.Count, cnt.count, parseDate, false);
        Logger.debug('Metrics response: %j', metricRes);
        return cnt.count;
    }
}
//# sourceMappingURL=cloud-watch-metrics-ratchet.js.map