Puppet Class: profile::kerberos::kdc
- Defined in:
- modules/profile/manifests/kerberos/kdc.pp
Overview
Class: profile::kerberos::kdc
This class sets up a kdc/kadmind environment preseeding Debian package questions to automate as much as possible the first deployment. The only thing that it is not automated is the first run of the krb5_newrealm command, that is needed after installing the krb5-kadmin-server package (dependency of krb5-kdc). The user must execute the command upon first run of puppet on the host.
Parameters
- krb_realm_name
-
Kerberos realm name to set.
- krb_kdc_servers
-
List of fully qualified hostnames of the KDC servers.
- monitoring_enabled
-
If monitoring needs to be enabled. Default: false
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# File 'modules/profile/manifests/kerberos/kdc.pp', line 23
class profile::kerberos::kdc (
Stdlib::Fqdn $krb_realm_name = lookup('kerberos_realm_name'),
Array[Stdlib::Fqdn] $krb_kdc_servers = lookup('kerberos_kdc_servers'),
Optional[Boolean] $monitoring_enabled = lookup('profile::kerberos::kdc::monitoring_enabled', { 'default_value' => false }),
) {
# Debconf preseed values to automate the deployment of the
# krb5-kdc package without user inputs when the package
# is installed.
debconf::set { 'krb5-kdc/purge_data_too':
type => 'boolean',
value => false,
before => Package['krb5-kdc'],
}
# Instruct debconf to not create the kdc.conf file
# since we want to use Puppet instead.
debconf::set { 'krb5-kdc/debconf':
type => 'boolean',
value => false,
before => Package['krb5-kdc'],
}
# Debconf preseed values to automate the deployment of the
# krb5-config (dep of krb5-kdc) package without user inputs
# when the package is installed.
debconf::set { 'krb5-config/default_realm':
value => $krb_realm_name,
before => Package['krb5-kdc'],
}
debconf::set { 'krb5-config/kerberos_servers':
value => inline_template('<%= @krb_kdc_servers.join(" ") %>'),
before => Package['krb5-kdc'],
}
debconf::set { 'krb5-config/add_servers':
type => 'boolean',
value => true,
before => Package['krb5-kdc'],
}
debconf::set { 'krb5-config/add_servers_realm':
value => $krb_realm_name,
before => Package['krb5-kdc'],
}
debconf::set { 'krb5-config/read_conf':
type => 'boolean',
value => true,
before => Package['krb5-kdc'],
}
debconf::set { 'krb5-config/admin_server':
value => '',
before => Package['krb5-kdc'],
}
package { 'krb5-kdc':
ensure => present,
}
file {'/etc/krb5kdc':
ensure => directory,
mode => '0700',
}
file { '/etc/krb5kdc/kdc.conf':
owner => 'root',
group => 'root',
mode => '0444',
content => template('profile/kerberos/kdc.conf.erb'),
before => Package['krb5-kdc'],
}
file { '/etc/krb5kdc/kadm5.acl':
owner => 'root',
group => 'root',
mode => '0444',
source => 'puppet:///modules/profile/kerberos/kadm5.acl',
before => Package['krb5-kdc'],
}
service { 'krb5-kdc':
ensure => running,
require => Package['krb5-kdc'],
}
profile::auto_restarts::service { 'krb5-kdc': }
ferm::service { 'kerberos_kdc_tcp':
proto => 'tcp',
port => '88',
srange => '$DOMAIN_NETWORKS',
}
ferm::service { 'kerberos_kdc_udp':
proto => 'udp',
port => '88',
srange => '$DOMAIN_NETWORKS',
}
file { '/srv/backup':
ensure => 'directory',
owner => 'root',
group => 'root',
mode => '0750',
}
file { '/usr/local/sbin/dump_kdc_database':
ensure => 'present',
owner => 'root',
group => 'root',
mode => '0550',
source => 'puppet:///modules/profile/kerberos/kdc/dump_kdc_database',
}
systemd::timer::job { 'backup-kdc-database':
description => 'Daily dump of the KDC database',
command => '/usr/local/sbin/dump_kdc_database',
interval => {
'start' => 'OnCalendar',
'interval' => '*-*-* 00:00:00'
},
user => 'root',
monitoring_enabled => $monitoring_enabled,
logging_enabled => false,
require => [
File['/usr/local/sbin/dump_kdc_database'],
File['/srv/backup'],
],
}
include ::profile::backup::host
backup::set { 'krb-srv-backup': }
if $monitoring_enabled {
nrpe::monitor_service { 'krb-kdc':
description => 'Kerberos KDC daemon',
nrpe_command => '/usr/lib/nagios/plugins/check_procs -c 1:1 -a "/usr/sbin/krb5kdc"',
contact_group => 'admins,analytics',
require => Service['krb5-kdc'],
notes_url => 'https://wikitech.wikimedia.org/wiki/Analytics/Systems/Kerberos#Daemons_and_their_roles',
}
}
systemd::timer::job { 'delete-old-backups-kdc-database':
description => 'Daily clean up of old backups of the KDC database',
command => '/usr/bin/find /srv/backup -name "kdc_database_.*" -mtime +30 -delete',
interval => {
'start' => 'OnCalendar',
'interval' => '*-*-* 01:00:00'
},
user => 'root',
logging_enabled => false,
require => [
File['/srv/backup'],
],
}
}
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