system-config/modules/unbound/manifests/init.pp
James E. Blair 5875fb1ef5 Unbound: also override dhclient config on debian
The tripleo cloud uses dhcp, so make sure we override the nameserver
to point to localhost in that case.

Change-Id: If498925fc524ece91e2662a1d78008c8dce9d320
2014-03-23 17:12:06 -07:00

104 lines
3.3 KiB
Puppet

# Copyright (C) 2014 OpenStack Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
# == Class: unbound
# This installs unbound in its default configuration as a caching
# recursive resolver.
class unbound (
) {
if ($::osfamily == 'Debian') {
# This file differs from that in the package only by setting
# RESOLVCONF_FORWARDERS to false.
file { '/etc/default/unbound':
source => 'puppet:///modules/unbound/unbound.default',
owner => 'root',
group => 'root',
mode => '0444',
}
# We require the defaults file be in place before installing the
# package to work around this bug:
# https://bugs.launchpad.net/ubuntu/+source/unbound/+bug/988513
# where we could end up briefly forwarding to a provider's broken
# DNS.
package { 'unbound':
ensure => present,
require => File['/etc/default/unbound'],
}
# Rackspace uses static config files
file { '/etc/resolv.conf':
content => "nameserver 127.0.0.1\n",
owner => 'root',
group => 'root',
mode => '0444',
require => Service['unbound'],
}
# Tripleo uses dhcp
file { '/etc/dhcp/dhclient.conf':
source => 'puppet:///modules/unbound/dhclient.conf.debian',
owner => 'root',
group => 'root',
mode => '0444',
}
}
# Ubuntu uses resolvconf which will update resolv.conf to point to
# localhost after unbound is installed. NOTE: Debian unknown.
if ($::osfamily == 'RedHat') {
package { 'unbound':
ensure => present,
}
# Rackspace uses static config files
file { '/etc/resolv.conf':
content => "nameserver 127.0.0.1\n",
owner => 'root',
group => 'root',
mode => '0444',
require => Service['unbound'],
notify => Exec['make-resolv-conf-immutable'],
}
# Rackspace uses file injection to configure networking which
# overwrites all of the files on disk where we could set the env
# variable to disable the resolv.conf update on network-up.
# Instead, make that file immutable so that the update will fail
# (harmlessly). Of course this means Puppet won't be able to
# update it either after this, but we don't plan on changing it.
exec { 'make-resolv-conf-immutable':
command => '/usr/bin/chattr +i /etc/resolv.conf',
refreshonly => true,
}
# HPCloud uses dhclient; tell dhclient to use our nameserver instead.
exec { '/usr/bin/printf "\nsupersede domain-name-servers 127.0.0.1;\n" >> /etc/dhcp/dhclient-eth0.conf':
unless => '/bin/grep -q "supersede domain-name-servers" /etc/dhcp/dhclient-eth0.conf'
}
}
service { 'unbound':
ensure => running,
name => 'unbound',
enable => true,
hasrestart => true,
hasstatus => false,
require => Package['unbound'],
}
}