191 lines
7.0 KiB
Puppet
191 lines
7.0 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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# [*service_port*]
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# The default port on which the endpoint will be listening.
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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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# [*mode*]
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# HAProxy mode in which the endpoint will be listening. This can be undef,
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# tcp, http or health.
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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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# [*listen_options*]
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# Options specified for the listening service's configuration block (in
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# HAproxy terms, the frontend).
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# defaults to {'option' => []}
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#
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# [*public_ssl_port*]
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# The port used for the public proxy endpoint if it differs from the default
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# one. This is used only if SSL is enabled, and it's used in order to avoid
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# overriding with the internal proxy endpoint (which could happen if they were
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# in the same network).
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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 $use_internal_certificates
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# flag is set.
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# Defaults to {}
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#
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# [*service_network*]
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# (optional) Indicates the network that the service is running on. Used for
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# fetching the certificate for that specific network.
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# Defaults to undef
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#
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define tripleo::haproxy::endpoint (
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$internal_ip,
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$service_port,
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$ip_addresses,
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$server_names,
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$member_options,
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$public_virtual_ip = undef,
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$mode = undef,
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$haproxy_listen_bind_param = undef,
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$listen_options = {
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'option' => [],
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},
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$public_ssl_port = undef,
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$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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) {
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if $public_virtual_ip {
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# service exposed to the public network
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if $public_certificate {
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$public_bind_opts = list_to_hash(suffix(any2array($public_virtual_ip), ":${public_ssl_port}"),
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union($haproxy_listen_bind_param, ['ssl', 'crt', $public_certificate]))
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} else {
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$public_bind_opts = list_to_hash(suffix(any2array($public_virtual_ip), ":${service_port}"), $haproxy_listen_bind_param)
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}
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} else {
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# internal service only
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$public_bind_opts = {}
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}
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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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if $service_network == 'external' and $public_certificate {
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# NOTE(jaosorior): This service has been configured to use the external
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# network. We should use the public certificate in this case.
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$internal_cert_path = $public_certificate
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} else {
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# NOTE(jaosorior): This service is configured for the internal network.
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# We use the certificate spec hash. The key of the
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# internal_certificates_specs hash must must match the convention
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# haproxy-<network name> or else this will fail. Futherly, it must
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# contain the path that we'll use under 'service_pem'.
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$internal_cert_path = $internal_certificates_specs["haproxy-${service_network}"]['service_pem']
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}
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$internal_bind_opts = list_to_hash(suffix(any2array($internal_ip), ":${service_port}"),
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union($haproxy_listen_bind_param, ['ssl', 'crt', $internal_cert_path]))
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} else {
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if $service_network == 'external' and $public_certificate {
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$internal_bind_opts = list_to_hash(suffix(any2array($internal_ip), ":${service_port}"),
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union($haproxy_listen_bind_param, ['ssl', 'crt', $public_certificate]))
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} else {
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$internal_bind_opts = list_to_hash(suffix(any2array($internal_ip), ":${service_port}"), $haproxy_listen_bind_param)
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}
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}
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$bind_opts = merge($internal_bind_opts, $public_bind_opts)
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haproxy::listen { "${name}":
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bind => $bind_opts,
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collect_exported => false,
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mode => $mode,
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options => $listen_options,
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}
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haproxy::balancermember { "${name}":
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listening_service => $name,
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ports => $service_port,
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ipaddresses => $ip_addresses,
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server_names => $server_names,
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options => $member_options,
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}
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if hiera('tripleo::firewall::manage_firewall', true) {
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include ::tripleo::firewall
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# This block will construct firewall rules only when we specify
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# a port for the regular service and also the ssl port for the service.
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# It makes sure we're not trying to create TCP iptables rules where no port
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# is specified.
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if $service_port {
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$haproxy_firewall_rules = {
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"100 ${name}_haproxy" => {
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'dport' => $service_port,
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},
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}
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}
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if $public_ssl_port {
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$haproxy_ssl_firewall_rules = {
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"100 ${name}_haproxy_ssl" => {
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'dport' => $public_ssl_port,
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},
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}
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} else {
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$haproxy_ssl_firewall_rules = {}
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}
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$firewall_rules = merge($haproxy_firewall_rules, $haproxy_ssl_firewall_rules)
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if $service_port or $public_ssl_port {
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create_resources('tripleo::firewall::rule', $firewall_rules)
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}
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}
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}
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