Cachet Monitor plugin

This is a monitoring plugin for CachetHQ.

Features

• Creates & Resolves Incidents
• Posts monitor lag every second * config.Interval
• Updates Component to Partial Outage
• Updates Component to Major Outage if in Partial Outage
• Can be run on multiple servers and geo regions

Docker Quickstart

1. Create a configuration json

docker run -d \
  --name cachet-monitor \
  -h cachet-monitor \
  -v `pwd`/config.json:/etc/cachet-monitor.config.json \
  castawaylabs/cachet-monitor

Configuration

{
  "api_url": "https://demo.cachethq.io/api",
  "api_token": "9yMHsdioQosnyVK4iCVR",
  "interval": 60,
  "monitors": [
    {
      "name": "nodegear frontend",
      "url": "https://nodegear.io/ping",
      "metric_id": 0,
      "component_id": 0,
      "threshold": 80,
      "component_id": null,
      "expected_status_code": 200,
      "strict_tls": true
    }
  ],
  "insecure_api": false
}

Notes:

• metric_id is optional
• insecure_api if true it will ignore HTTPS certificate errors (eg if self-signed)
• strict_tls if false (true is default) it will ignore HTTPS certificate errors (eg if monitor uses self-signed certificate)
• component_id is optional
• threshold is a percentage
• expected_status_code is a http response code
• GET request will be performed on the url

How to run

Example:

1. Set up Go
2. go install github.com/castawaylabs/cachet-monitor
3. cachet-monitor -c https://raw.githubusercontent.com/CastawayLabs/cachet-monitor/master/example.config.json

Production:

1. Download the example config and save to /etc/cachet-monitor.config.json
2. Run in background: nohup cachet-monitor 2>&1 > /var/log/cachet-monitor.log &

Usage of cachet-monitor:
  -c="/etc/cachet-monitor.config.json": Config path
  -log="": Log path
  -name="": System Name

Environment variables

Name	Example Value	Description
CACHET_API	http://demo.cachethq.io/api	URL endpoint for cachet api
CACHET_TOKEN	randomvalue	API Authentication token