node package manager


AWS Cloudwatch2Graphite

This application will output graphite counters for a list of AWS CloudWatch metrics. All you need to do is :

  • copy conf/metrics.json.sample into conf/metrics.json
  • copy conf/credentials.json.sample into conf/credentials.json and set up your accessKeyId, secretAccessKey and region.

You'll find here the reference to NameSpaces, metrics, units and dimensions you'll want to refer to to set up your metrics.json (metrics.json.sample is a good starting point). Thus far this has been tested with EC2, ELB & DynamoDB.


typically, to test you should simply run:

node cw2graphite.js

to test with all options:

node cw2graphite.js [--region region_name] [--credentials credentials_file] [--metrics metrics_file] | --help

region_name is the AWS region, ie. eu-west-1 (default : us-east-1)
credentials_file contains the AWS access key & secret key (default : ./conf/credentials.json)
metrics_file contains the metrics definition (defaults : ./conf/metrics.json)


You'll need to install a few modules, including:

  • dateformat

  • aws2js

  • optparse

    simply running this should do the job :

    npm install

Example output

aws.dynamodb.rad_impressions.throttledrequests.updateitem.sum.count 28.0 1359407920
aws.elb.radimp.requestcount.sum.count 933.0 1359407920
aws.dynamodb.rad_impressions.consumedwritecapacityunits.sum.count 890.0 1359407920

Sending to Graphite

typically, in a cron, you'd run:

node cw2graphite.js | nc host 2003