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service_limits.pp
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service_limits.pp
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# Adds a set of custom limits to the service
#
# @api public
#
# @see systemd.exec(5)
#
# @param name [Pattern['^.+\.(service|socket|mount|swap)$']]
# The name of the service that you will be modifying
#
# @param ensure
# Whether to drop a file or remove it
#
# @param path
# The path to the main systemd settings directory
#
# @param selinux_ignore_defaults
# If Puppet should ignore the default SELinux labels.
#
# @param limits
# A Hash of service limits matching the settings in ``systemd.exec(5)``
#
# * Mutually exclusive with ``$source``
#
# @param source
# A ``File`` resource compatible ``source``
#
# * Mutually exclusive with ``$limits``
#
# @param restart_service
# Restart the managed service after setting the limits
#
define systemd::service_limits (
Enum['present', 'absent', 'file'] $ensure = 'present',
Stdlib::Absolutepath $path = '/etc/systemd/system',
Boolean $selinux_ignore_defaults = false,
Optional[Systemd::ServiceLimits] $limits = undef,
Optional[String] $source = undef,
Boolean $restart_service = true
) {
include systemd
if $name !~ Pattern['^.+\.(service|socket|mount|swap)$'] {
fail('$name must match Pattern["^.+\.(service|socket|mount|swap)$"]')
}
if $limits and !empty($limits) {
$_content = template("${module_name}/limits.erb")
}
else {
$_content = undef
}
if $ensure != 'absent' {
if ($limits and !empty($limits)) and $source {
fail('You may not supply both limits and source parameters to systemd::service_limits')
}
elsif ($limits == undef or empty($limits)) and ($source == undef) {
fail('You must supply either the limits or source parameter to systemd::service_limits')
}
}
systemd::dropin_file { "${name}-90-limits.conf":
ensure => $ensure,
unit => $name,
filename => '90-limits.conf',
path => $path,
selinux_ignore_defaults => $selinux_ignore_defaults,
content => $_content,
source => $source,
}
if $restart_service {
exec { "restart ${name} because limits":
command => "systemctl restart ${name}",
path => $::path,
refreshonly => true,
subscribe => File["${path}/${name}.d/90-limits.conf"],
}
}
}

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