hapi-statsd

A hapi plugin for sending request round trip metrics to statsd

npm install hapi-statsd
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hapi-statsd

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NPM

A hapi plugin for sending request round trip metrics to statsd

Installation

npm install hapi-statsd

Usage

To install this plugin on your Hapi server, do something similar to this:

var Hapi = require('hapi');
var server = new Hapi.Server();

var hapiStatsdConfig = {};

server.pack.require('hapi-statsd', hapiStatsdConfig, function(err) {
    if (err) {
        console.log('error', 'Failed loading plugin: hapi-statsd');
    }
});

Plugin Options

template

A template to use for the stat names to send to statsd. This can be any string that could include the following tokens that get replaced with their actual values:

  • {path} - the path that the request was routed to (e.g '/users/{id}')
  • {method} - the HTTP verb used on the request (e.g. 'GET')
  • {statusCode} - the numerical status code of the response that the server sent back to the client (e.g. 200)

Defaults to '{path}.{method}.{statusCode}'

statsdClient

An instance of a particular statsd client that you prefer to use for sending metrics to statsd. If this is used, then the statsdHost and prefix options are ignored. Defaults to null

statsdHost

The host and port that an instance of statsd is running on. An instance of the statsd-client NPM module will be created and will be configured to use this host and port. Defaults to 'localhost:8125'

prefix

The prefix to add to every stat collected. Usually used for grouping a set of stats under one hierarchy in graphite. Defaults to 'hapi'

pathSeparator

A character or set of characters to replace the '/' (forward slash) characters in your URL path since forward slashes cannot be used in stat names. Defaults to '_'

Example

A Hapi route configured like this:

server.route({
    method: 'GET',
    path: '/test/{param}',
    handler: function(request, reply) {
        reply('Success!');
    }
});

would send an increment and timing stat to statsd with the following stat name (assuming all options are set to their defaults):

hapi.test_{param}.GET.200

Version Compatibility

Currently compatible with: Hapi 3.x.x

  • 0.1.x - Hapi 1.x.x
  • 0.2.x - Hapi 3.x.x
  • 0.3.x - Hapi 3.x.x

License

The MIT License (MIT)

Copyright (c) 2013 Mac Angell

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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