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This plugin provides native load instrumentation for monitoring and metrics collection, including: load health, and total or per core metrics
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 Dependencies

Development

~> 1.7
< 2.3.0, ~> 2.2
~> 0.10
~> 10.5
~> 3.2
~> 3.4
~> 0.51.0
~> 2.36.1
~> 0.9.11

Runtime

 Project Readme

Sensu Bonsai Asset Build Status Gem Version Code Climate Test Coverage Dependency Status

Sensu Plugins Load Checks Plugin

  • Overview
  • Files
  • Usage examples
  • Configuration
    • Sensu Go
      • Asset registration
      • Asset definition
      • Check definition
    • Sensu Core
      • Check definition
  • Installation from source
  • Additional notes
  • Contributing

Overview

This plugin provides native load instrumentation for monitoring and metrics collection, including load health and total or per-core metrics.

Files

  • bin/check-load.rb
  • bin/metrics-load.rb

check-load Takes the loadavg and divides by the number of cores.

metrics-load Uses uptime to collect load metrics. The number of CPUs is determined by reading /proc/cpuinfo, which makes the feature Linux-specific.

Usage examples

Help

check-load.rb

Usage: check-load.rb (options)
    -c, --crit L1,L5,L15             Load CRITICAL threshold, 1/5/15 min average
    -w, --warn L1,L5,L15             Load WARNING threshold, 1/5/15 min average  

metrics-load.rb

Usage: metrics-load.rb (options)
        --scheme SCHEME              Metric naming scheme, text to prepend to .$parent.$child

Configuration

Sensu Go

Asset registration

Assets are the best way to make use of this plugin. If you're not using an asset, please consider doing so! If you're using sensuctl 5.13 or later, you can use the following command to add the asset:

sensuctl asset add sensu-plugins/sensu-plugins-load-checks

If you're using an earlier version of sensuctl, you can download the asset definition from this project's Bonsai asset index page.

Asset definition

---
type: Asset
api_version: core/v2
metadata:
  name: sensu-plugins-load-checks
spec:
  url: https://assets.bonsai.sensu.io/1accacdd780175a02183e722effa0986e6472f21/sensu-plugins-load-checks_5.0.0_centos_linux_amd64.tar.gz
  sha512: 0e97bc162d6f9529ef044d0173f97330c597d31cf3389539baed6d17c713a8961e8d7e0f62b2f195eae6da66dc65ddfbff59379f0c846596b29fb6977b4e368b

Check definition

---
type: CheckConfig
spec:
  command: "check-load.rb"
  handlers: []
  high_flap_threshold: 0
  interval: 10
  low_flap_threshold: 0
  publish: true
  runtime_assets:
  - sensu-plugins/sensu-plugins-load-checks
  - sensu/sensu-ruby-runtime
  subscriptions:
  - linux

Sensu Core

Check definition

{
  "checks": {
    "check-load": {
      "command": "check-load.rb",
      "subscribers": ["linux"],
      "interval": 10,
      "refresh": 10,
      "handlers": ["influxdb"]
    }
  }
}

Installation from source

Sensu Go

See the instructions above for asset registration.

Sensu Core

Install and setup plugins on Sensu Core.

Additional notes

Sensu Go Ruby Runtime Assets

The Sensu assets packaged from this repository are built against the Sensu Ruby runtime environment. When using these assets as part of a Sensu Go resource (check, mutator, or handler), make sure to include the corresponding Sensu Ruby Runtime Asset in the list of assets needed by the resource.

Contributing

See CONTRIBUTING.md for information about contributing to this plugin.