chef-search-stresser

chef-search-stresser

chef-search-stresser is a utility used to stress the Chef server with a high number of concurrent searches. It's especially helpful when you have searches you want to test that return a large number of results (i.e., all registered nodes).

The primary bits of chef-search-stresser is the stresser package. It has all the functions for running searches for stress testing.

Installation

go get -u github.com/PagerDuty/chef-search-stresser

# if you want to use the binary and not just the package
go install github.com/PagerDuty/chef-search-stresser

Usage

This README primarily goes over the command. If you're interested in using the stress testing code, you should visit the for docs on the stresser package.

Usage:
  chef-search-stresser [OPTIONS]

Application Options:
  -q, --query=         set some queries to run for testing. Defaults to ['roles:*' 'name:*']. One flag for each query
  -c, --concurrency=   set the number of concurrent searches to run (1)
  -p, --partial        run partial search (false)
  -f, --full           run full search (false)
  -k, --client_key=    path to the client.pem file (/etc/chef/client.pem)
  -S, --server=        specify which Chef server to use
  -N, --name=          name of the client being used
  -E, --print-errors   print out errors that occured (false)
      --disalble-seed  by default, we seed the random number generator to help with better randomization of the queries ran (false)

Help Options:
  -h, --help           Show this help message

Here is a simple example of using the command:

$ /chef-search-stresser --concurrency 10 --partial --server https://chefserver.local/ --client-key ~/.chef/knife/tim-test.pem --query 'name:*'
2015/09/27 18:35:51 starting stresser against https://chefserver.local/ concurrency 10
2015/09/27 18:35:57 the 10 search(es) took 6.252719311 seconds to complete
2015/09/27 18:35:57 the fastest took 6006ms and the slowest took 6248ms
2015/09/27 18:35:57 the average was 6119ms
2015/09/27 18:35:57 10 search(es) had 396 results

License

This project is released under the BSD 3-Clause License. See the LICENSE file for the full contents of the license.