eyeos-check-availability v0.0.24

Eyeos Check Availability Library

Overview

It is a library that accepts one array of hosts and ports to check if they are available, and then executes a callback.

How to use it

var CheckAvailability = require('eyeos-check-availability');

var checkAvailability = CheckAvailability();

var list = [
   {'localhost': 443},
   {'camel.service.consul': 8196}
];

OR

var list = [
    'localhost:443',
    'camel.service.consul:8196'
];
var retryTime = 1000;
var timeout = 60000;

checkAvailability.check(list, function(err) {
    if (err) {
        console.error('timed out');
    } else {
        console.log('Services UP!');
    }
}, retryTime, timeout);

Use it like a command line tool

You also can check services with the command line tool:

./node_modules/.bin/check-availability-service <DOMAIN> <PORT> <RETRY_TIME> <TIMEOUT>

All 4 params are mandatory.

Envars

You can control retryTime and timeout by passing arguments, environment vairable and settings file, in that order. EYEOS_CHECK_AVAILABILITY_RETRYTIME and EYEOS_CHECK_AVAILABILITY_TIMEOUT.

Quick help

• Install modules

	$ npm install

• Check tests

    $ ./tests.sh