elbenwald

Elbenwald _{by Infopark}

Scout-Plugin for watching the number of "healthy" instances available on an AWS-ELB.

Installation

• Copy the source
• Create a new private plugin in Scout-GUI
• Paste the code

Refer to https://scoutapp.com/info/creating_a_plugin

Usage

Options

• elb_name - (required) Name of the ELB
• AWS config (credential, region) has to be provided by /etc/scout/plugins/elbenwald.yml

Metrics and error log

It provides a count of healthy instance for an ELB for a availability zone. For example if you have an ELB My-ELB which has 1 healthy instance available in zone eu-west-1a and one unhealthy and 2 healthy instances available in zone eu-west-1b, then following metrics will be generated:

"Eu-west-1a" 1.0
"Eu-west-1b" 2.0
"Total"      3.0
"Average"    1.5
"Minimum"    1.0

Each unhealthy instance will be notices in the error log (/var/log/scout/plugins/elbenwald.log) like this:

[0000-01-01 00:00:00 +0100] [My-ELB] [eu-west-1b] [iabc123] [Doesn't feel good...]

Development

$ bundle
$ bundle exec rspec

License

LGPG-3.0 License. Copyright 2013 Infopark AG. http://www.infopark.com