├── .gitignore
├── Dockerfile
├── README.md
├── client.js
├── docker-compose.yml
├── index.js
└── package.json


/.gitignore:
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1 | node_modules/
2 | 


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/Dockerfile:
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 1 | # Build
 2 | #    docker build -t chamerling/lazyguy-monitoring .
 3 | 
 4 | FROM node:0.10.36
 5 | 
 6 | MAINTAINER Christophe Hamerling <chamerling@linagora.com>
 7 | 
 8 | # Cache NPM install of package.json has not been changed
 9 | # cf http://www.clock.co.uk/blog/a-guide-on-how-to-cache-npm-install-with-docker
10 | ADD package.json /src/package.json
11 | RUN cd /src && npm install --production --unsafe-perm
12 | 
13 | ADD . /src
14 | 
15 | EXPOSE 3000
16 | 
17 | WORKDIR /src
18 | CMD ["npm", "start"]
19 | 


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/README.md:
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 1 | Layguy-monitoring
 2 | =================
 3 | 
 4 | This repo shows how to get metrics from an Expressjs application with the help of statsd and Grafana. It uses Docker and docker-compose to make things easy.
 5 | 
 6 | ```
 7 | docker-compose up
 8 | ```
 9 | 
10 | Will start the express application, statsd, graphite and grafana.
11 | 
12 | Details are available on https://medium.com/@chamerling/getting-metrics-from-your-express-app-without-effort-with-docker-and-grafana-ac8f6c42cbfb
13 | 


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/client.js:
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 1 | 'use strict';
 2 | 
 3 | var http = require('http');
 4 | var request = require('request');
 5 | 
 6 | 
 7 | function get() {
 8 |   request('http://boot2docker:3000', function (error, response, body) {
 9 |     if (!error && response.statusCode == 200) {
10 |       console.log(body)
11 |     }
12 |   });
13 | }
14 | 
15 | function init() {
16 |     var loop = function() {
17 |         get();
18 |         var rand = Math.round(Math.random() * 1000);
19 |         setTimeout(myFunction, rand);
20 |     }
21 |     loop();
22 | }
23 | 
24 | init();
25 | 


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/docker-compose.yml:
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 1 | app:
 2 |   build: .
 3 |   links:
 4 |    - statsd:statsd
 5 |   ports:
 6 |    - "3000:3000"
 7 | statsd:
 8 |   image: hopsoft/graphite-statsd
 9 |   ports:
10 |     - "3002:80"
11 |     - "2003:2003"
12 |     - "8125:8125/udp"
13 | grafana:
14 |   image: grafana/grafana
15 |   ports:
16 |     - "3001:3000"
17 | 


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/index.js:
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 1 | 'use strict';
 2 | 
 3 | var express = require('express');
 4 | var statsd = require('express-statsd');
 5 | var app = express();
 6 | 
 7 | app.use(statsd({host: 'statsd', port: 8125}));
 8 | 
 9 | app.get('/', function (req, res) {
10 |   res.json(200, {yo: 'lo'});
11 | });
12 | 
13 | app.get('/err', function (req, res) {
14 |   res.json(500, {err: 'You failed!'});
15 | });
16 | 
17 | app.listen(3000, function(err) {
18 |   console.log('LazyGuy Application is now started');
19 | });
20 | 


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/package.json:
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 1 | {
 2 |   "name": "lazyguy-monitoring",
 3 |   "version": "0.0.0",
 4 |   "description": "Monitor an Express App with statsd and Grafana",
 5 |   "main": "index.js",
 6 |   "scripts": {
 7 |     "start": "node index.js",
 8 |     "test": "echo \"Error: no test specified\" && exit 1"
 9 |   },
10 |   "repository": {
11 |     "type": "git",
12 |     "url": "https://github.com/chamerling/lazyguy-monitoring"
13 |   },
14 |   "keywords": [
15 |     "monitoring",
16 |     "express",
17 |     "statsd",
18 |     "grafana"
19 |   ],
20 |   "author": "Christophe Hamerling <chamerling@linagora.com>",
21 |   "license": "MIT",
22 |   "bugs": {
23 |     "url": "https://github.com/chamerling/lazyguy-monitoring/issues"
24 |   },
25 |   "homepage": "https://github.com/chamerling/lazyguy-monitoring",
26 |   "dependencies": {
27 |     "express": "^4.12.3",
28 |     "express-statsd": "^0.3.0"
29 |   },
30 |   "devDependencies": {
31 |     "request": "^2.55.0"
32 |   }
33 | }
34 | 


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