191 lines
7.8 KiB
Puppet
191 lines
7.8 KiB
Puppet
# Copyright 2014 Red Hat, Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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# == Class: tripleo::haproxy::endpoint
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#
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# Configure a HAProxy listen endpoint
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#
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# [*internal_ip*]
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# The IP in which the proxy endpoint will be listening in the internal
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# network.
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#
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# [*ip_addresses*]
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# The ordered list of IPs to be used to contact the balancer member.
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#
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# [*server_names*]
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# The names of the balancer members, which usually should be the hostname.
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#
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# [*member_options*]
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# Options for the balancer member, specified after the server declaration.
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# These should go in the member's configuration block.
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#
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# [*public_virtual_ip*]
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# Address in which the proxy endpoint will be listening in the public network.
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# If this service is internal only this should be ommitted.
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# Defaults to undef.
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#
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# [*haproxy_listen_bind_param*]
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# A list of params to be added to the HAProxy listener bind directive.
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# Defaults to undef.
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#
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# [*public_certificate*]
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# Certificate path used to enable TLS for the public proxy endpoint.
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# Defaults to undef.
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#
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# [*use_internal_certificates*]
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# Flag that indicates if we'll use an internal certificate for this specific
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# service. When set, enables SSL on the internal API endpoints using the file
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# that certmonger is tracking; this is derived from the network the service is
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# listening on.
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# Defaults to false
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#
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# [*internal_certificates_specs*]
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# A hash that should contain the specs that were used to create the
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# certificates. As the name indicates, only the internal certificates will be
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# fetched from here. And the keys should follow the following pattern
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# "haproxy-<network name>". The network name should be as it was defined in
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# tripleo-heat-templates.
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# Note that this is only taken into account if the $use_internal_certificates
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# flag is set.
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# Defaults to {}
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#
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# [*service_network*]
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# (optional) Indicates the network that the service is running on. Used for
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# fetching the certificate for that specific network.
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# Defaults to undef
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#
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# [*manage_firewall*]
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# (optional) Enable or disable firewall settings for ports exposed by HAProxy
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# (false means disabled, and true means enabled)
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# Defaults to hiera('tripleo::firewall::manage_firewall', true)
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#
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class tripleo::haproxy::horizon_endpoint (
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$internal_ip,
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$ip_addresses,
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$server_names,
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$member_options,
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$public_virtual_ip,
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$haproxy_listen_bind_param = undef,
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$public_certificate = undef,
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$use_internal_certificates = false,
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$internal_certificates_specs = {},
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$service_network = undef,
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$manage_firewall = hiera('tripleo::firewall::manage_firewall', true),
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) {
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# Let users override the options on a per-service basis
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$custom_options = hiera('tripleo::haproxy::horizon::options', undef)
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$custom_bind_options_public = delete(any2array(hiera('tripleo::haproxy::horizon::public_bind_options', undef)), undef).flatten()
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$custom_bind_options_internal = delete(any2array(hiera('tripleo::haproxy::horizon::internal_bind_options', undef)), undef).flatten()
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# service exposed to the public network
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if $public_certificate {
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if $use_internal_certificates {
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if !$service_network {
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fail("The service_network for this service is undefined. Can't configure TLS for the internal network.")
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}
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# NOTE(jaosorior): The key of the internal_certificates_specs hash must
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# must match the convention haproxy-<network name> or else this
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# will fail. Futherly, it must contain the path that we'll use under
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# 'service_pem'.
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$internal_cert_path = $internal_certificates_specs["haproxy-${service_network}"]['service_pem']
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$internal_bind_opts = union($haproxy_listen_bind_param, ['ssl', 'crt', $internal_cert_path])
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} else {
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# If no internal cert is given, we still configure TLS for the internal
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# network, however, we expect that the public certificate has appropriate
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# subjectaltnames set.
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$internal_bind_opts = union($haproxy_listen_bind_param, ['ssl', 'crt', $public_certificate])
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}
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# NOTE(jaosorior): If the internal_ip and the public_virtual_ip are the
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# same, the first option takes precedence. Which is the case when network
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# isolation is not enabled. This is not a problem as both options are
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# identical. If network isolation is enabled, this works correctly and
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# will add a TLS binding to both the internal_ip and the
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# public_virtual_ip.
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# Even though for the public_virtual_ip the port 80 is listening, we
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# redirect to https in the horizon_options below.
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$horizon_bind_opts = {
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"${internal_ip}:80" => union($haproxy_listen_bind_param, $custom_bind_options_internal),
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"${internal_ip}:443" => union($internal_bind_opts, $custom_bind_options_internal),
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"${public_virtual_ip}:80" => union($haproxy_listen_bind_param, $custom_bind_options_public),
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"${public_virtual_ip}:443" => union($haproxy_listen_bind_param, ['ssl', 'crt', $public_certificate], $custom_bind_options_public),
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}
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$horizon_options = merge({
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'cookie' => 'SERVERID insert indirect nocache',
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'rsprep' => '^Location:\ http://(.*) Location:\ https://\1',
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# NOTE(jaosorior): We always redirect to https for the public_virtual_ip.
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'redirect' => 'scheme https code 301 if !{ ssl_fc }',
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'option' => [ 'forwardfor', 'httpchk' ],
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'http-request' => [
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'set-header X-Forwarded-Proto https if { ssl_fc }',
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'set-header X-Forwarded-Proto http if !{ ssl_fc }'],
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}, $custom_options)
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} else {
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$horizon_bind_opts = {
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"${internal_ip}:80" => union($haproxy_listen_bind_param, $custom_bind_options_internal),
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"${public_virtual_ip}:80" => union($haproxy_listen_bind_param, $custom_bind_options_public),
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}
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$horizon_options = merge({
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'cookie' => 'SERVERID insert indirect nocache',
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'option' => [ 'forwardfor', 'httpchk' ],
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}, $custom_options)
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}
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if $use_internal_certificates {
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# Use SSL port if TLS in the internal network is enabled.
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$backend_port = '443'
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} else {
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$backend_port = '80'
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}
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haproxy::listen { 'horizon':
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bind => $horizon_bind_opts,
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options => $horizon_options,
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mode => 'http',
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collect_exported => false,
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}
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hash(zip($ip_addresses, $server_names)).each | $ip, $server | {
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# We need to be sure the IP (IPv6) don't have colons
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# which is a reserved character to reference manifests
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$non_colon_ip = regsubst($ip, ':', '-', 'G')
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haproxy::balancermember { "horizon_${non_colon_ip}_${server}":
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listening_service => 'horizon',
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ports => $backend_port,
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ipaddresses => $ip,
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server_names => $server,
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options => union($member_options, ["cookie ${server}"]),
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}
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}
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if $manage_firewall {
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include tripleo::firewall
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$haproxy_horizon_firewall_rules = {
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'100 horizon_haproxy' => {
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'dport' => 80,
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},
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}
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if $public_certificate {
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$haproxy_horizon_ssl_firewall_rules = {
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'100 horizon_haproxy_ssl' => {
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'dport' => 443,
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},
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}
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} else {
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$haproxy_horizon_ssl_firewall_rules = {}
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}
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$horizon_firewall_rules = merge($haproxy_horizon_firewall_rules, $haproxy_horizon_ssl_firewall_rules)
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if !empty($horizon_firewall_rules) {
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create_resources('tripleo::firewall::rule', $horizon_firewall_rules)
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}
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}
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}
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