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init.pp
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init.pp
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#
# @summary Installs and configures Unbound, the caching DNS resolver from NLnet Labs
#
# @param hints_file
# File path to the root-hints. Set to 'builtin' to remove root-hint option from unbound.conf and use built-in hints.
# @param hints_file_content
# Contents of the root hints file, if it's not remotely fetched.
# @param unbound_version
# the version of the installed unbound instance. defaults to the fact, but you can overwrite it. this reduces the initial puppet runs from two to one
# @param update_root_hints
# If set to true (and hints_file isn't set to 'builtin') a systemd timer will be configured to update the root hints file every month
# @param interface_automatic_ports
# specifies the default ports to listen on when interface_automatic is also set to true, defaults to undef, specify as a string of space seperated ports e.g. "53 853 443"
#
class unbound (
Boolean $manage_service = true,
Integer[0,5] $verbosity = 1,
Optional[Integer] $statistics_interval = undef,
Boolean $statistics_cumulative = false,
Boolean $extended_statistics = false,
Integer[1] $num_threads = 1,
Integer[0, 65535] $port = 53,
Array[String[1]] $interface = [],
Boolean $interface_automatic = false,
Optional[String[1]] $interface_automatic_ports = undef,
Array[String[1]] $outgoing_interface = [], # version 1.5.10
Optional[Integer[1]] $outgoing_range = undef,
Unbound::Range $outgoing_port_permit = '32768-65535',
Unbound::Range $outgoing_port_avoid = '0-32767',
Boolean $outgoing_port_permit_first = true,
Optional[Integer[0]] $outgoing_num_tcp = undef,
Optional[Integer[0]] $incoming_num_tcp = undef,
Integer[0,4096] $edns_buffer_size = 1232,
Optional[Integer[0,65536]] $max_udp_size = undef,
Optional[Unbound::Size] $stream_wait_size = undef, # version 1.9.0
Optional[Unbound::Size] $msg_cache_size = undef,
Optional[Integer] $msg_cache_slabs = undef,
Optional[Integer] $num_queries_per_thread = undef,
Optional[Integer[1]] $jostle_timeout = undef,
Optional[Integer[0]] $delay_close = undef,
Optional[Integer[1]] $unknown_server_time_limit = undef, # version 1.8.2
Optional[Unbound::Size] $so_rcvbuf = undef,
Optional[Unbound::Size] $so_sndbuf = undef,
Boolean $so_reuseport = false, # Version 1.4.22
Boolean $ip_transparent = false, # version 1.5.4
Boolean $ip_freebind = false, # version 1.5.9
Optional[Unbound::Size] $rrset_cache_size = undef,
Optional[Integer] $rrset_cache_slabs = undef,
Optional[Integer] $cache_max_ttl = undef,
Optional[Integer] $cache_max_negative_ttl = undef,
Optional[Integer] $cache_min_ttl = undef,
Optional[Integer] $infra_host_ttl = undef,
Optional[Integer] $infra_cache_numhosts = undef,
Optional[Integer] $infra_cache_slabs = undef,
Optional[Integer] $infra_cache_min_rtt = undef,
Array[String[1]] $define_tag = [], # version 1.5.10
Boolean $do_ip4 = true,
Boolean $do_ip6 = true,
Boolean $prefer_ip6 = false, # version 1.5.10
Boolean $do_udp = true,
Boolean $do_tcp = true,
Optional[Integer[0]] $tcp_mss = undef, # version 1.5.8
Optional[Stdlib::Absolutepath] $tls_cert_bundle = undef, # version 1.7.0
Boolean $tls_upstream = false, # version 1.7.0
Optional[Integer[0]] $outgoing_tcp_mss = undef, # version 1.5.8
Optional[Integer[0]] $tcp_idle_timeout = undef, # version 1.8.0
Boolean $edns_tcp_keepalive = false, # version 1.8.0
Optional[Integer[0]] $edns_tcp_keepalive_timeout = undef, # version 1.8.0
Boolean $tcp_upstream = false,
Boolean $udp_upstream_without_downstream = false,
Boolean $ssl_upstream = false, # version 1.7.0
Optional[Stdlib::Absolutepath] $ssl_service_key = undef, # version 1.7.0
Optional[Stdlib::Absolutepath] $ssl_service_pem = undef, # version 1.7.0
Optional[Integer[0,65535]] $ssl_port = undef, # version 1.7.0
Optional[String[1]] $tls_ciphers = undef, # version 1.9.0
Optional[String[1]] $tls_ciphersuites = undef, # version 1.9.0
Boolean $use_systemd = false, # version 1.6.1
Boolean $do_daemonize = true,
Hash[String[1], Unbound::Access_control] $access_control = {}, # version 1.5.10
Optional[Unbound::Chroot] $chroot = undef,
Optional[Stdlib::Absolutepath] $logfile = undef,
Optional[String[1]] $log_identity = undef, # version 1.6.0
Boolean $log_time_ascii = false,
Boolean $log_queries = false,
Boolean $log_replies = false, # version 1.6.1
Boolean $log_tag_queryreply = false, # version 1.9.0
Boolean $log_local_actions = false, # version 1.8.0
Boolean $log_servfail = false, # version 1.8.0
Stdlib::Absolutepath $pidfile = '/var/run/unbound/unbound.pid',
Boolean $hide_identity = true,
Optional[String[1]] $identity = undef,
Boolean $hide_version = true,
Optional[String[1]] $version = undef,
Boolean $hide_trustanchor = true, # version 1.6.2
Array[Integer] $target_fetch_policy = [],
Boolean $harden_short_bufsize = false,
Boolean $harden_large_queries = false,
Boolean $harden_glue = true,
Boolean $harden_dnssec_stripped = true,
Boolean $harden_below_nxdomain = true,
Boolean $harden_referral_path = false,
Boolean $harden_algo_downgrade = false, # Version 1.5.3
Boolean $use_caps_for_id = false,
Array[String[1]] $caps_whitlist = [],
Boolean $qname_minimisation = false, # version 1.5.7
Boolean $qname_minimisation_strict = false, # version 1.6.0
Array[String[1]] $private_address = [],
Array[String[1]] $private_domain = [],
Integer[0] $unwanted_reply_threshold = 10000000,
Array[String[1]] $do_not_query_address = [],
Boolean $do_not_query_localhost = true,
Boolean $prefetch = false,
Boolean $prefetch_key = false,
Boolean $deny_any = false, # version 1.8.2
Boolean $rrset_roundrobin = false,
Boolean $minimal_responses = false,
Boolean $disable_dnssec_lame_check = false, # version 1.5.9
Optional[Stdlib::Absolutepath] $trust_anchor_file = undef,
Array[String[1]] $trust_anchor = [],
Boolean $trust_anchor_signaling = true, # version 1.6.4
Array[String[1]] $domain_insecure = [],
Optional[Integer[1]] $val_sig_skew_min = undef,
Optional[Integer[1]] $val_sig_skew_max = undef,
Optional[Integer[1]] $val_bogus_ttl = undef,
Boolean $val_clean_additional = true,
Optional[Integer[0,2]] $val_log_level = undef,
Boolean $val_permissive_mode = false,
Boolean $ignore_cd_flag = false,
Boolean $serve_expired = false, # version 1.6.0
Optional[Integer[0]] $serve_expired_ttl = undef, # version 1.8.0
Boolean $serve_expired_ttl_reset = false, # version 1.8.0
Optional[Integer[0]] $serve_expired_reply_ttl = undef, # version 1.8.0
Optional[Integer[0]] $serve_expired_client_timeout = undef, # version 1.8.0
Array[Integer[1]] $val_nsec3_keysize_iterations = [],
Optional[Integer[0]] $add_holddown = undef,
Optional[Integer[0]] $del_holddown = undef,
Optional[Integer[0]] $keep_missing = undef,
Boolean $permit_small_holddown = false, # Version 1.5.5
Optional[Unbound::Size] $key_cache_size = undef,
Optional[Integer] $key_cache_slabs = undef,
Optional[Unbound::Size] $neg_cache_size = undef,
Boolean $unblock_lan_zones = false,
Boolean $insecure_lan_zones = false, # version 1.5.8
Unbound::Local_zone $local_zone = {},
Array[String[1]] $local_data = [],
Array[String[1]] $local_data_ptr = [],
Hash[String[1], Array[String[1]]] $local_zone_tag = {}, # version 1.5.10
Hash[String[1], Unbound::Local_zone_override] $local_zone_override = {}, # version 1.5.10
Optional[Integer[0]] $ratelimit = undef,
Optional[Unbound::Size] $ratelimit_size = undef,
Optional[Integer[0]] $ratelimit_slabs = undef,
Optional[Integer[0]] $ratelimit_factor = undef,
Hash[String[1], Integer[0]] $ratelimit_for_domain = {},
Hash[String[1], Integer[0]] $ratelimit_below_domain = {},
Optional[Integer[0]] $ip_ratelimit = undef, # version 1.6.1
Optional[Unbound::Size] $ip_ratelimit_size = undef, # version 1.6.1
Optional[Integer[0]] $ip_ratelimit_slabs = undef, # version 1.6.1
Optional[Integer[0]] $ip_ratelimit_factor = undef,
Optional[Integer[0,1000]] $fast_server_permil = undef, # version 1.8.2
Optional[Integer[1]] $fast_server_num = undef, # version 1.8.2
Hash $forward = {},
Hash $stub = {},
Hash $record = {},
Array $access = ['::1', '127.0.0.1'],
String[1] $confdir = '/etc/unbound',
Stdlib::Absolutepath $directory = $confdir,
String[1] $conf_d = "${confdir}/conf.d",
String[1] $config_file = "${confdir}/unbound.conf",
Boolean $control_enable = false,
String[1] $control_setup_path = '/usr/sbin/unbound-control-setup',
String[1] $control_path = '/usr/sbin/unbound-control',
String[1] $fetch_client = 'wget -O',
String[1] $group = 'unbound',
String[1] $keys_d = "${confdir}/keys.d",
Stdlib::Absolutepath $trusted_keys_file = "${keys_d}/*.key",
Array[Unbound::Module] $module_config = [],
String[1] $owner = 'unbound',
String[1] $username = $owner,
# OpenBSD sets this to an empty string
String $package_name = 'unbound',
String[1] $package_ensure = 'installed',
Boolean $purge_unbound_conf_d = false,
String[1] $root_hints_url = 'https://www.internic.net/domain/named.root',
Stdlib::Absolutepath $runtime_dir = $confdir,
Stdlib::Absolutepath $auto_trust_anchor_file = "${runtime_dir}/root.key",
String[1] $anchor_fetch_command = "unbound-anchor -a ${auto_trust_anchor_file}",
String[1] $service_name = 'unbound',
Boolean $service_hasstatus = true,
Enum['running', 'stopped'] $service_ensure = 'running',
Boolean $service_enable = true,
String[1] $validate_cmd = '/usr/sbin/unbound-checkconf %',
String[1] $restart_cmd = "/bin/systemctl restart ${service_name}",
Array[String[1]] $custom_server_conf = [],
Boolean $skip_roothints_download = false,
Optional[Stdlib::Absolutepath] $python_script = undef,
String[1] $dns64_prefix = '64:ff9b::/96',
Boolean $dns64_synthall = false,
Array[String[1]] $send_client_subnet = [],
Array[String[1]] $client_subnet_zone = [],
Boolean $client_subnet_always_forward = false,
Integer[0,128] $max_client_subnet_ipv6 = 56,
Integer[0,32] $max_client_subnet_ipv4 = 24,
Optional[Integer[0,128]] $min_client_subnet_ipv6 = undef, # version 1.8.2
Optional[Integer[0,32]] $min_client_subnet_ipv4 = undef, # version 1.8.2
Optional[Integer[0]] $max_ecs_tree_size_ipv4 = undef, # version 1.8.2
Optional[Integer[0]] $max_ecs_tree_size_ipv6 = undef, # version 1.8.2
Boolean $ipsecmod_enabled = true,
Optional[Stdlib::Absolutepath] $ipsecmod_hook = undef,
Boolean $ipsecmod_strict = false,
Integer[1] $ipsecmod_max_ttl = 3600,
Boolean $ipsecmod_ignore_bogus = false,
Array[String[1]] $ipsecmod_whitelist = [],
Optional[String[1]] $backend = undef,
String[1] $secret_seed = 'default',
String[1] $redis_server_host = '127.0.0.1',
Integer[1,65536] $redis_server_port = 6379,
Integer[1] $redis_timeout = 100,
Stdlib::Absolutepath $unbound_conf_d = "${confdir}/unbound.conf.d",
Unbound::Hints_file $hints_file = "${confdir}/root.hints",
Enum['absent','present','unmanaged'] $update_root_hints = fact('systemd') ? { true => 'present', default => 'unmanaged' },
Optional[String[1]] $hints_file_content = undef,
Hash[String[1], Unbound::Rpz] $rpzs = {},
Optional[String[1]] $unbound_version = $facts['unbound_version'],
) {
$_base_dirs = [$confdir, $conf_d, $keys_d, $runtime_dir]
$_piddir = if $pidfile { dirname($pidfile) } else { undef }
if $_piddir and !($_piddir in ['/run', '/var/run']) {
$dirs = unique($_base_dirs + [$_piddir])
$_owned_dirs = unique([$runtime_dir, $_piddir])
} else {
$dirs = unique($_base_dirs)
$_owned_dirs = [$runtime_dir]
}
if $manage_service {
service { $service_name:
ensure => $service_ensure,
name => $service_name,
enable => $service_enable,
hasstatus => $service_hasstatus,
}
$service_reuse = Service[$service_name]
} else {
$service_reuse = undef
}
# OpenBSD passes an empty string
unless $package_name.empty {
if $manage_service {
$before_package = [File[$dirs], Concat[$config_file], Service[$service_name]]
} else {
$before_package = [File[$dirs], Concat[$config_file]]
}
package { $package_name:
ensure => $package_ensure,
before => $before_package,
}
}
$dirs.each |$dir| {
$_owner = $dir in $_owned_dirs ? {
true => $owner,
default => undef,
}
file { $dir:
ensure => directory,
owner => $_owner,
}
}
if $control_enable {
file { "${confdir}/interfaces.txt":
ensure => file,
notify => Exec['restart unbound'],
content => template('unbound/interfaces.txt.erb'),
}
exec { 'restart unbound':
command => $restart_cmd,
refreshonly => true,
require => $service_reuse,
}
if $manage_service {
Service[$service_name] {
restart => "${control_path} reload",
require => Class['unbound::remote'],
}
}
include unbound::remote
unless $package_name.empty {
Package[$package_name] -> Class['unbound::remote']
}
}
exec { 'download-anchor-file':
command => $anchor_fetch_command,
creates => $auto_trust_anchor_file,
user => $owner,
path => ['/usr/sbin','/usr/local/sbin'],
returns => 1,
before => Concat::Fragment['unbound-header'],
require => File[$runtime_dir],
}
# If hint_file is 'builtin', Unbound should use built-in hints instead of file
if $hints_file != 'builtin' {
# Remotely fetch root hints unless hint-files content is set or is explicitlly skipped
unless $hints_file_content or $skip_roothints_download {
exec { 'download-roothints':
command => "${fetch_client} ${hints_file} ${root_hints_url}",
creates => $hints_file,
path => ['/usr/bin','/usr/local/bin'],
before => [Concat::Fragment['unbound-header'], File[$hints_file]],
require => File[$dirs],
}
unless $package_name.empty {
Package[$package_name] -> Exec['download-roothints']
}
}
file { $hints_file:
ensure => file,
mode => '0444',
content => $hints_file_content,
}
if $update_root_hints == 'present' {
systemd::timer { 'roothints.timer':
timer_content => file("${module_name}/roothints.timer"),
service_content => epp("${module_name}/roothints.service.epp", { 'hints_file' => $hints_file, 'root_hints_url' => $root_hints_url, 'fetch_client' => $fetch_client }),
active => true,
enable => true,
}
}
}
if $update_root_hints == 'absent' {
systemd::timer { 'roothints.timer':
ensure => 'absent',
}
}
# purge unmanaged files in configuration directory
file { $unbound_conf_d:
ensure => 'directory',
owner => 'root',
group => '0',
purge => $purge_unbound_conf_d,
recurse => $purge_unbound_conf_d,
}
concat { $config_file:
validate_cmd => $validate_cmd,
require => Exec['download-anchor-file'],
notify => $service_reuse,
}
concat::fragment { 'unbound-header':
order => '00',
target => $config_file,
content => template('unbound/unbound.conf.erb'),
}
concat::fragment { 'unbound-modules':
order => '09',
target => $config_file,
content => template('unbound/unbound.modules.conf.erb'),
}
$forward.each |$title, $config| {
unbound::forward { $title:
* => $config,
}
}
$stub.each |$title, $config| {
unbound::stub { $title:
* => $config,
}
}
$record.each |$title, $config| {
unbound::record { $title:
* => $config,
}
}
}