Puppet Class: redis::administration

Defined in:
manifests/administration.pp

Overview

Allows various adminstrative settings for Redis As documented in the FAQ and redis.io/topics/admin

Examples:

include redis::administration
class {'redis::administration':
  disable_thp => false,
}

Parameters:

  • enable_overcommit_memory (Boolean) (defaults to: true) —

    Enable the overcommit memory setting (Defaults to true)

  • disable_thp (Boolean) (defaults to: true) —

    Disable Transparent Huge Pages (Defaults to true)

  • somaxconn (String) (defaults to: '65535') —

    Set somaxconn value (Defaults to ‘65535’)

Author:

    • Peter Souter



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# File 'manifests/administration.pp', line 18

class redis::administration(
  $enable_overcommit_memory = true,
  $disable_thp              = true,
  $somaxconn                = '65535',
) {

  if $enable_overcommit_memory {
    sysctl { 'vm.overcommit_memory':
      ensure => 'present',
      value  => '1',
    }
  }

  if $disable_thp {
    exec { 'Disable Hugepages':
      command => 'echo never > /sys/kernel/mm/transparent_hugepage/enabled',
      path    => ['/sbin', '/usr/sbin', '/bin', '/usr/bin'],
      onlyif  => 'test -f /sys/kernel/mm/transparent_hugepage/enabled',
      unless  => 'cat /sys/kernel/mm/transparent_hugepage/enabled | grep "\[never\]"',
    }
  }

  if $somaxconn {
    sysctl { 'net.core.somaxconn':
      ensure => 'present',
      value  => $somaxconn,
    }
  }

}