checkPm2.js (Nagios Plugin to Check PM2 Processes)

How to Install

1. Install NVM (Node Version Manager):

wget -qO- https://raw.githubusercontent.com/creationix/nvm/v0.34.0/install.sh | bash

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2. Install Node.js latest version:

nvm install node

Note: NVM does NOT share node installation to all users. An easy step is to copy the node binary installed by NVM to /usr/bin

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3. Download checkPm2.js to your Nagios server and chmod +x permission:

Plugins default directory: cd /usr/lib64/nagios/plugins

wget https://raw.githubusercontent.com/barrosfilipe/checkPm2.js/master/checkPm2.js && chmod +x checkPm2.js

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How to Use

Usage: ./checkPm2.js <pm2 web host> <app name>

Command and Output Example:

$ ./checkPm2.js https://pm2.netflix.com:9615 movies-api
OK: PM2 app:movies-api is Online

Note: You have to enable pm2 web api service by running pm2 web. Default port is 9615

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PM2 Status to Nagios Status

PM2 Status	NAGIOS CODE
PM2 Online Status	NAGIOS_OK: 0
PM2 Stopped Status	NAGIOS_WARNING: 1
PM2 Errored Status	NAGIOS_CRITICAL: 2
PM2 Unknown Status	NAGIOS_UNKNOWN: 3

Requirements:

Node.js v6.0.0+

No NPM needed