root / manifests / chain.pp @ 1a4f336e
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# manage a chain |
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define nftables::chain ( |
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Pattern[/^(ip|ip6|inet)-[a-zA-Z0-9_]+$/] $table = 'inet-filter', |
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Pattern[/^[a-zA-Z0-9_]+$/] $chain = $title, |
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Optional[Pattern[/^\d\d-[a-zA-Z0-9_]+$/]] $inject = undef, |
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Optional[String] $inject_iif = undef, |
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Optional[String] $inject_oif = undef, |
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) {
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$concat_name = "nftables-${table}-chain-${chain}"
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concat {
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$concat_name: |
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path => "/etc/nftables/puppet-preflight/${table}-chain-${chain}.nft",
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owner => root, |
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group => root, |
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mode => '0640', |
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ensure_newline => true, |
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require => Package['nftables'], |
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} ~> Exec['nft validate'] -> file {
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"/etc/nftables/puppet/${table}-chain-${chain}.nft":
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ensure => file, |
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source => "/etc/nftables/puppet-preflight/${table}-chain-${chain}.nft",
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owner => root, |
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group => root, |
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mode => '0640', |
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} ~> Service['nftables'] |
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concat::fragment {
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default: |
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target => $concat_name; |
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"${concat_name}-header":
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order => '00', |
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content => "# Start of fragment order:00 ${chain} header\nchain ${chain} {";
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"${concat_name}-footer":
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order => '99', |
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content => "# Start of fragment order:99 ${chain} footer\n}";
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} |
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if $inject {
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$data = split($inject, '-') |
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$iif = $inject_iif ? {
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undef => '', |
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default => "iifname ${inject_iif} ",
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} |
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$oif = $inject_oif ? {
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undef => '', |
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default => "oifname ${inject_oif} ",
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} |
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nftables::rule { "${data[1]}-jump_${chain}":
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order => $data[0], |
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content => "${iif}${oif}jump ${chain}",
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} |
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} |
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} |