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# File 'manifests/init.pp', line 112
class nftables (
Stdlib::Unixpath $echo,
Stdlib::Unixpath $configuration_path,
Stdlib::Unixpath $nft_path,
Stdlib::Filemode $default_config_mode,
Boolean $in_ssh = true,
Boolean $in_icmp = true,
Boolean $out_ntp = true,
Boolean $out_dns = true,
Boolean $out_http = true,
Boolean $out_https = true,
Boolean $out_icmp = true,
Boolean $out_all = false,
Boolean $in_out_conntrack = true,
Boolean $in_out_drop_invalid = $in_out_conntrack,
Boolean $fwd_conntrack = false,
Boolean $fwd_drop_invalid = $fwd_conntrack,
Boolean $inet_filter = true,
Boolean $nat = true,
Hash $rules = {},
Hash $sets = {},
String $log_prefix = '[nftables] %<chain>s %<comment>s',
String[1] $nat_table_name = 'nat',
Boolean $log_discarded = true,
Variant[Boolean[false], String] $log_limit = '3/minute burst 5 packets',
Variant[Boolean[false], Pattern[/icmp(v6|x)? type .+|tcp reset/]] $reject_with = 'icmpx type port-unreachable',
Variant[Boolean[false], Enum['mask']] $firewalld_enable = 'mask',
Optional[Array[Pattern[/^(ip|ip6|inet|arp|bridge|netdev)-[-a-zA-Z0-9_]+$/],1]] $noflush_tables = undef,
) {
package { 'nftables':
ensure => installed,
} -> file_line {
'enable_nftables':
line => 'include "/etc/nftables/puppet.nft"',
path => $configuration_path,
notify => Service['nftables'],
} -> file {
default:
owner => 'root',
group => 'root',
mode => $default_config_mode;
'/etc/nftables':
ensure => directory,
mode => $default_config_mode;
'/etc/nftables/puppet-preflight':
ensure => directory,
mode => $default_config_mode,
purge => true,
force => true,
recurse => true;
'/etc/nftables/puppet-preflight.nft':
ensure => file,
content => epp('nftables/config/puppet.nft.epp', {
'inet_filter' => $inet_filter,
'nat' => $nat,
'noflush' => $noflush_tables
}
);
} ~> exec {
'nft validate':
refreshonly => true,
command => "${nft_path} -I /etc/nftables/puppet-preflight -c -f /etc/nftables/puppet-preflight.nft || ( ${echo} '#CONFIG BROKEN' >> /etc/nftables/puppet-preflight.nft && /bin/false)"; # lint:ignore:check_unsafe_interpolations
} -> file {
default:
owner => 'root',
group => 'root',
mode => $default_config_mode;
'/etc/nftables/puppet.nft':
ensure => file,
content => epp('nftables/config/puppet.nft.epp', {
'inet_filter' => $inet_filter,
'nat' => $nat,
'noflush' => $noflush_tables
}
);
'/etc/nftables/puppet':
ensure => directory,
mode => $default_config_mode,
purge => true,
force => true,
recurse => true;
} ~> service { 'nftables':
ensure => running,
enable => true,
hasrestart => true,
restart => 'PATH=/usr/bin:/bin systemctl reload nftables',
}
systemd::dropin_file { 'puppet_nft.conf':
ensure => present,
unit => 'nftables.service',
content => epp('nftables/systemd/puppet_nft.conf.epp', {
'configuration_path' => $configuration_path,
'nft_path' => $nft_path,
}),
notify => Service['nftables'],
}
# firewalld.enable can be mask or false depending upon if firewalld is installed or not
# https://tickets.puppetlabs.com/browse/PUP-10814
service { 'firewalld':
ensure => stopped,
enable => $firewalld_enable,
}
if $inet_filter {
include nftables::inet_filter
}
if $nat {
include nftables::ip_nat
}
# inject custom rules e.g. from hiera
$rules.each |$n,$v| {
nftables::rule {
$n:
* => $v,
}
}
# inject custom sets e.g. from hiera
$sets.each |$n,$v| {
nftables::set {
$n:
* => $v,
}
}
}
|