Defined Type: redis::instance

Defined in:
manifests/instance.pp

Overview

Define: redis::instance

Configure redis instance on an arbitrary port.

Parameters

redis_port

Accept redis connections on this port. Default: 6379

redis_bind_address

Address to bind to. Default: false, which binds to all interfaces

redis_max_clients

Set the redis config value maxclients. If no value provided, it is not included in the configuration for 2.6 and set to 0 (unlimited) for 2.4. Default: 0 (2.4) Default: nil (2.6)

redis_timeout

Set the redis config value timeout (seconds). Default: 300

redis_loglevel

Set the redis config value loglevel. Valid values are debug, verbose, notice, and warning. Default: notice

redis_databases

Set the redis config value databases. Default: 16

redis_slowlog_log_slower_than

Set the redis config value slowlog-log-slower-than (microseconds). Default: 10000

redis_showlog_max_len

Set the redis config value slowlog-max-len. Default: 1024

redis_password

Password used by AUTH command. Will be setted is its not nil. Default: nil

Examples

redis::instance { ‘redis-6900’:

redis_port       => '6900',
redis_max_memory => '64gb',

}

Authors

Thomas Van Doren

Copyright 2012 Thomas Van Doren, unless otherwise noted.

Parameters:

  • redis_port (Any) (defaults to: $redis::params::redis_port)
  • redis_bind_address (Any) (defaults to: $redis::params::redis_bind_address)
  • redis_max_memory (Any) (defaults to: $redis::params::redis_max_memory)
  • redis_max_clients (Any) (defaults to: $redis::params::redis_max_clients)
  • redis_timeout (Any) (defaults to: $redis::params::redis_timeout)
  • redis_loglevel (Any) (defaults to: $redis::params::redis_loglevel)
  • redis_databases (Any) (defaults to: $redis::params::redis_databases)
  • redis_slowlog_log_slower_than (Any) (defaults to: $redis::params::redis_slowlog_log_slower_than)
  • redis_slowlog_max_len (Any) (defaults to: $redis::params::redis_slowlog_max_len)
  • redis_password (Any) (defaults to: $redis::params::redis_password) 


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# File 'manifests/instance.pp', line 62

define redis::instance (
  $redis_port = $redis::params::redis_port,
  $redis_bind_address = $redis::params::redis_bind_address,
  $redis_max_memory = $redis::params::redis_max_memory,
  $redis_max_clients = $redis::params::redis_max_clients,
  $redis_timeout = $redis::params::redis_timeout,
  $redis_loglevel = $redis::params::redis_loglevel,
  $redis_databases = $redis::params::redis_databases,
  $redis_slowlog_log_slower_than = $redis::params::redis_slowlog_log_slower_than,
  $redis_slowlog_max_len = $redis::params::redis_slowlog_max_len,
  $redis_password = $redis::params::redis_password
  ) {

  # Using Exec as a dependency here to avoid dependency cyclying when doing
  # Class['redis'] -> Redis::Instance[$name]
  Exec['install-redis'] -> Redis::Instance[$name]
  include redis

  $version = $redis::version

  case $version {
    /^2\.4\.\d+$/: {
      if ($redis_max_clients == false) {
        $real_redis_max_clients = 0
      }
      else {
        $real_redis_max_clients = $redis_max_clients
      }
    }
    /^2\.6\.\d+$/: {
      $real_redis_max_clients = $redis_max_clients
    }
    default: {
      fail("Invalid redis version, ${version}. It must match 2.4.\\d+ or 2.6.\\d+.")
    }
  }

  file { "redis-lib-port-${redis_port}":
    ensure => directory,
    path   => "/var/lib/redis/${redis_port}",
  }

  file { "redis-init-${redis_port}":
    ensure  => present,
    path    => "/etc/init.d/redis_${redis_port}",
    mode    => '0755',
    content => template('redis/redis.init.erb'),
    notify  => Service["redis-${redis_port}"],
  }
  file { "redis_port_${redis_port}.conf":
    ensure  => present,
    path    => "/etc/redis/${redis_port}.conf",
    mode    => '0644',
    content => template('redis/redis_port.conf.erb'),
  }

  service { "redis-${redis_port}":
    ensure    => running,
    name      => "redis_${redis_port}",
    enable    => true,
    require   => [ File["redis_port_${redis_port}.conf"], File["redis-init-${redis_port}"], File["redis-lib-port-${redis_port}"] ],
    subscribe => File["redis_port_${redis_port}.conf"],
  }
}