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# @summary
# Installs and configures MPM `prefork`.
#
# @param startservers
# Number of child server processes created at startup.
#
# @param minspareservers
# Minimum number of idle child server processes.
#
# @param maxspareservers
# Maximum number of idle child server processes.
#
# @param serverlimit
# Upper limit on configurable number of processes.
#
# @param maxclients
# Old alias for MaxRequestWorkers.
#
# @param maxrequestworkers
# Maximum number of connections that will be processed simultaneously.
#
# @param maxrequestsperchild
# Old alias for MaxConnectionsPerChild.
#
# @param maxconnectionsperchild
# Limit on the number of connections that an individual child server will handle during its life.
#
# @param listenbacklog
# Maximum length of the queue of pending connections.
#
# @see https://httpd.apache.org/docs/current/mod/prefork.html for additional documentation.
#
class apache::mod::prefork (
Integer $startservers = 8,
Integer $minspareservers = 5,
Integer $maxspareservers = 20,
Integer $serverlimit = 256,
Integer $maxclients = 256,
Optional[Integer] $maxrequestworkers = undef,
Integer $maxrequestsperchild = 4000,
Optional[Integer] $maxconnectionsperchild = undef,
Integer $listenbacklog = 511
) {
include apache
if defined(Class['apache::mod::event']) {
fail('May not include both apache::mod::prefork and apache::mod::event on the same node')
}
if defined(Class['apache::mod::peruser']) {
fail('May not include both apache::mod::prefork and apache::mod::peruser on the same node')
}
if defined(Class['apache::mod::worker']) {
fail('May not include both apache::mod::prefork and apache::mod::worker on the same node')
}
File {
owner => 'root',
group => $apache::params::root_group,
mode => $apache::file_mode,
}
# Template uses:
# - $startservers
# - $minspareservers
# - $maxspareservers
# - $serverlimit
# - $maxclients
# - $maxrequestworkers
# - $maxrequestsperchild
# - $maxconnectionsperchild
$parameters = {
'startservers' => $startservers,
'minspareservers' => $minspareservers,
'maxspareservers' => $maxspareservers,
'serverlimit' => $serverlimit,
'maxrequestworkers' => $maxrequestworkers,
'maxclients' => $maxclients,
'maxconnectionsperchild' => $maxconnectionsperchild,
'maxrequestsperchild' => $maxrequestsperchild,
'listenbacklog' => $listenbacklog,
}
file { "${apache::mod_dir}/prefork.conf":
ensure => file,
content => epp('apache/mod/prefork.conf.epp', $parameters),
require => Exec["mkdir ${apache::mod_dir}"],
before => File[$apache::mod_dir],
notify => Class['apache::service'],
}
case $facts['os']['family'] {
'RedHat', 'Debian', 'FreeBSD': {
::apache::mpm { 'prefork':
}
}
'Suse': {
::apache::mpm { 'prefork':
lib_path => '/usr/lib64/apache2-prefork',
}
}
'Gentoo': {
::portage::makeconf { 'apache2_mpms':
content => 'prefork',
}
}
default: {
fail("Unsupported osfamily ${$facts['os']['family']}")
}
}
}
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