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systemd

Puppet Systemd module
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Version information

  • 3.0.0 (latest)
  • 2.12.0
  • 2.11.0
  • 2.10.0
  • 2.9.0
  • 2.8.0
  • 2.7.0
  • 2.6.0
  • 2.5.1
  • 2.4.0
  • 2.3.0
  • 2.2.0
  • 2.1.0
  • 2.0.0
  • 1.1.1
  • 1.1.0
  • 1.0.0
  • 0.4.0
  • 0.3.0
  • 0.2.2
  • 0.2.1
  • 0.2.0
  • 0.1.15
  • 0.1.14
  • 0.1.13
  • 0.1.12
  • 0.1.11
  • 0.1.10
  • 0.1.9
  • 0.1.8
  • 0.1.7
  • 0.1.6
  • 0.1.5
  • 0.1.4
  • 0.1.3
  • 0.1.2
  • 0.1.1
released Apr 16th 2021
This version is compatible with:
  • Puppet Enterprise 2023.2.x, 2023.1.x, 2023.0.x, 2021.7.x, 2021.6.x, 2021.5.x, 2021.4.x, 2021.3.x, 2021.2.x, 2021.1.x, 2021.0.x, 2019.8.x, 2019.7.x, 2019.5.x, 2019.4.x, 2019.3.x, 2019.2.x, 2019.1.x
  • Puppet >= 6.1.0 < 8.0.0
  • , , , , , , , Archlinux,
This module has been deprecated by its author since Aug 16th 2021.

The reason given was: No longer maintained

The author has suggested puppet-systemd as its replacement.

Start using this module

Documentation

camptocamp/systemd — version 3.0.0 Apr 16th 2021

Systemd

Puppet Forge Puppet Forge Downloads Build Status Puppet Forge Endorsement By Camptocamp

Overview

This module declares exec resources to create global sync points for reloading systemd.

Version 2 and newer of the module don't work with Hiera 3! You need to migrate your existing Hiera setup to Hiera 5

Usage and examples

There are two ways to use this module.

unit files

Let this module handle file creation.

systemd::unit_file { 'foo.service':
 source => "puppet:///modules/${module_name}/foo.service",
}
~> service {'foo':
  ensure => 'running',
}

This is equivalent to:

file { '/usr/lib/systemd/system/foo.service':
  ensure => file,
  owner  => 'root',
  group  => 'root',
  mode   => '0644',
  source => "puppet:///modules/${module_name}/foo.service",
}
~> service {'foo':
  ensure => 'running',
}

You can also use this module to more fully manage the new unit. This example deploys the unit, reloads systemd and then enables and starts it.

systemd::unit_file { 'foo.service':
 source => "puppet:///modules/${module_name}/foo.service",
 enable => true,
 active => true,
}

drop-in files

Drop-in files are used to add or alter settings of a unit without modifying the unit itself. As for the unit files, the module can handle the file and directory creation:

systemd::dropin_file { 'foo.conf':
  unit   => 'foo.service',
  source => "puppet:///modules/${module_name}/foo.conf",
}
~> service {'foo':
  ensure    => 'running',
}

This is equivalent to:

file { '/etc/systemd/system/foo.service.d':
  ensure => directory,
  owner  => 'root',
  group  => 'root',
}

file { '/etc/systemd/system/foo.service.d/foo.conf':
  ensure => file,
  owner  => 'root',
  group  => 'root',
  mode   => '0644',
  source => "puppet:///modules/${module_name}/foo.conf",
}
~> service {'foo':
  ensure => 'running',
}

dropin-files can also be generated via hiera:

systemd::dropin_files:
  my-foo.conf:
    unit: foo.service
    source: puppet:///modules/${module_name}/foo.conf

tmpfiles

Let this module handle file creation and systemd reloading

systemd::tmpfile { 'foo.conf':
  source => "puppet:///modules/${module_name}/foo.conf",
}

Or handle file creation yourself and trigger systemd.

include systemd::tmpfiles

file { '/etc/tmpfiles.d/foo.conf':
  ensure => file,
  owner  => 'root',
  group  => 'root',
  mode   => '0644',
  source => "puppet:///modules/${module_name}/foo.conf",
}
~> Class['systemd::tmpfiles']

timer units

Create a systemd timer unit and a systemd service unit to execute from that timer

The following will create a timer unit and a service unit file. When active and enable are set to true the puppet service runoften.timer will be declared, started and enabled.

systemd::timer{'runoften.timer':
  timer_source   => "puppet:///modules/${module_name}/runoften.timer",
  service_source => "puppet:///modules/${module_name}/runoften.service",
  active         => true,
  enable         => true,
}

A trivial daily run. In this case enable and active are both unset and so the service daily.timer is not declared by the systemd::timer type.

$_timer = @(EOT)
[Timer]
OnCalendar=daily
RandomizedDelaySec=1d
EOT

$_service = @(EOT)
[Service]
Type=oneshot
ExecStart=/usr/bin/touch /tmp/file
EOT

systemd::timer{'daily.timer':
  timer_content   => $_timer,
  service_content => $_service,
}

service{'daily.timer':
  ensure    => running,
  subscribe => Systemd::Timer['daily.timer'],
}

If neither service_content or service_source are specified then no service unit will be created.

The service unit name can also be specified.

$_timer = @(EOT)
[Timer]
OnCalendar=daily
RandomizedDelaySec=1d
Unit=touch-me-today.service
EOT

$_service = @(EOT)
[Service]
Type=oneshot
ExecStart=/usr/bin/touch /tmp/file
EOT


systemd::timer{'daily.timer':
  timer_content   => $_timer,
  service_unit    => 'touch-me-today.service',
  service_content => $_service,
  active          => true,
  enable          => true,
}

service limits

Manage soft and hard limits on various resources for executed processes.

systemd::service_limits { 'foo.service':
  limits => {
    'LimitNOFILE' => 8192,
    'LimitNPROC'  => 16384,
  }
}

Or provide the configuration file yourself. Systemd reloading and restarting of the service are handled by the module.

systemd::service_limits { 'foo.service':
  source => "puppet:///modules/${module_name}/foo.conf",
}

Daemon reloads

Systemd caches unit files and their relations. This means it needs to reload, typically done via systemctl daemon-reload. Since Puppet 6.1.0 (PUP-3483) takes care of this by calling systemctl show $SERVICE -- --property=NeedDaemonReload to determine if a reload is needed. Typically this works well and removes the need for systemd::systemctl::daemon_reload as provided prior to camptocamp/systemd 3.0.0. This avoids common circular dependencies.

It does contain a workaround for PUP-9473 but there's no guarantee that this works in every case.

network

systemd-networkd is able to manage your network configuration. We provide a defined resource which can write the interface configurations. systemd-networkd needs to be restarted to apply the configs. The defined resource can do this for you:

systemd::network{'eth0.network':
  source          => "puppet:///modules/${module_name}/eth0.network",
  restart_service => true,
}

Services

Systemd provides multiple services. Currently you can manage systemd-resolved, systemd-timesyncd, systemd-networkd, systemd-journald and systemd-logind via the main class:

class{'systemd':
  manage_resolved  => true,
  manage_networkd  => true,
  manage_timesyncd => true,
  manage_journald  => true,
  manage_udevd     => true,
  manage_logind    => true,
}

$manage_networkd is required if you want to reload it for new systemd::network resources. Setting $manage_resolved will also manage your /etc/resolv.conf.

When configuring systemd::resolved you could set dns_stub_resolver to false (default) to use a standard /etc/resolved.conf, or you could set it to true to use the local resolver provided by systemd-resolved.

Systemd has introduced DNS Over TLS in the release 239. Currently two states are supported no and opportunistic. When enabled with opportunistic systemd-resolved will start a TCP-session to a DNS server with DNS Over TLS support. Note that there will be no host checking for DNS Over TLS due to missing implementation in systemd-resolved.

It is possible to configure the default ntp servers in /etc/systemd/timesyncd.conf:

class{'systemd':
  manage_timesyncd    => true,
  ntp_server          => ['0.pool.ntp.org', '1.pool.ntp.org'],
  fallback_ntp_server => ['2.pool.ntp.org', '3.pool.ntp.org'],
}

This requires puppetlabs-inifile, which is only a soft dependency in this module (you need to explicitly install it). Both parameters accept a string or an array.

Resource Accounting

Systemd has support for different accounting option. It can track CPU/Memory/Network stats per process. This is explained in depth at systemd-system.conf. This defaults to off (default on most operating systems). You can enable this with the $manage_accounting parameter. The module provides a default set of working accounting options per operating system, but you can still modify them with $accounting:

class{'systemd':
  manage_accounting => true,
  accounting        => {
    'DefaultCPUAccounting'    => 'yes',
    'DefaultMemoryAccounting' => 'no',
  }
}

journald configuration

It also allows you to manage journald settings. You can manage journald settings through setting the journald_settings parameter. If you want a parameter to be removed, you can pass its value as params.

systemd::journald_settings:
  Storage: auto
  MaxRetentionSec: 5day
  MaxLevelStore:
    ensure: absent

udevd configuration

It allows you to manage the udevd configuration. You can set the udev.conf values via the udev_log, udev_children_max, udev_exec_delay, udev_event_timeout, udev_resolve_names, and udev_timeout_signal parameters.

Additionally you can set custom udev rules with the udev_rules parameter.

class { 'systemd':
  manage_udevd => true,
  udev_rules   => { 
      'example_raw.rules' => {
      'rules'             => [
        'ACTION=="add", KERNEL=="sda", RUN+="/bin/raw /dev/raw/raw1 %N"',
        'ACTION=="add", KERNEL=="sdb", RUN+="/bin/raw /dev/raw/raw2 %N"',
      ],
    },
  },
}

udev::rules configuration

Custom udev rules can be defined for specific events.

systemd::udev::rule:
  ensure: present
  path: /etc/udev/rules.d
  selinux_ignore_defaults: false
  notify: "Service[systemd-udevd']"
  rules:
    - 'ACTION=="add", KERNEL=="sda", RUN+="/bin/raw /dev/raw/raw1 %N"'
    - 'ACTION=="add", KERNEL=="sdb", RUN+="/bin/raw /dev/raw/raw2 %N"',

logind configuration

It also allows you to manage logind settings. You can manage logind settings through setting the logind_settings parameter. If you want a parameter to be removed, you can pass its value as params.

systemd::logind_settings:
  HandleSuspendKey: 'ignore'
  KillUserProcesses: 'no'
  RemoveIPC:
    ensure: absent
  UserTasksMax: 10000

User linger

A loginctl_user resource is available to manage user linger enablement:

loginctl_user { 'foo':
  linger => enabled,
}

or as a hash via the systemd::loginctl_users parameter.