puppet nftables

# @summary Configure nftables

#

# @example

#   class{'nftables:

#     out_ntp = false,

#     out_dns = true,

#   }

#

# @param out_all

#   Allow all outbound connections. If `true` then all other

#   out parameters `out_ntp`, `out_dns`, ... will be assuemed

#   false.

#

# @param out_ntp

#   Allow outbound to ntp servers.

#

# @param out_http

#   Allow outbound to http servers.

#

# @param out_https

#   Allow outbound to https servers.

#

# @param out_https

#   Allow outbound to https servers.

#

# @param in_ssh

#   Allow inbound to ssh servers.

#

class nftables (

  Boolean $in_ssh    = true,

  Boolean $out_ntp   = true,

  Boolean $out_dns   = true,

  Boolean $out_http  = true,

  Boolean $out_https = true,

  Boolean $out_all   = false,

  Hash $rules        = {},

) {

  package{'nftables':

    ensure => installed,

  } -> file_line{

    'enable_nftables':

      line   => 'include "/etc/nftables/puppet.nft"',

      path   => '/etc/sysconfig/nftables.conf',

      notify => Service['nftables'],

  } -> file{

    default:

      owner => 'root',

      group => 'root',

      mode  => '0640';

    '/etc/nftables/puppet.nft':

      ensure => file,

      source => 'puppet:///modules/nftables/config/puppet.nft';

    '/etc/nftables/puppet':

      ensure  => directory,

      mode    => '0750',

      purge   => true,

      force   => true,

      recurse => true;

  } ~> service{'nftables':

    ensure => running,

    enable => true,

  }

  service{'firewalld':

    ensure => stopped,

    enable => mask,

  }

  include nftables::inet_filter

  include nftables::ip_nat

  # inject custom rules e.g. from hiera

  create_resources(nftables::rule, $rules)

}