metrics.sh

metrics.sh is a lightweight metrics collection and fowarding utility implemented in portable POSIX compliant shell scripts. A transparent interface based on hooks enables writing custom metric collectors and reporters in an elegant way.

Usage

$ ./metrics.sh --help

  Usage: ./metrics.sh [-d] [-h] [-v] [-m metrics] [-r reporter] [-i interval]

  Options:

    -c, --config   <file>      path to config file
    -m, --metrics  <metrics>   comma-separated list of metrics to collect
    -r, --reporter <reporter>  use specified reporter (default: stdout)
    -i, --interval <seconds>   collect metrics every n seconds (default: 2)
    -v, --verbose              enable verbose mode
    -d, --docs                 show documentation
    -h, --help                 show this text

Installation

$ git clone git@github.com:pstadler/metrics.sh.git

TODO: /etc/init.d

Requirements

metrics.sh has been tested on Ubuntu and Mac OS X but is supposed to run on most *NIX-like operating systems. Some of the provided metrics require procfs to be available.

Metrics

Metric	Description
cpu	CPU usage in %
memory	Memory usage in %
swap	Swap usage in %
network_io	Network I/O in kB/s
disk_io	Disk I/O in MB/s
disk_usage	Disk usage in %
heartbeat	System heartbeat
ping	Check whether a remote host is reachable

TODO: how to write custom metrics

Reporters

TODO: how to write custom reporters

TODO

• README
• config file support
• config file auto-generation
• load custom/contrib metrics and reporters
• same metric multiple times? (e.g. disk_usage for multiple devices)
• allow multiple reporters?