/
xtrabackup.pp
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/
xtrabackup.pp
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# @summary
# "Provider" for Percona XtraBackup/MariaBackup
# @api private
#
class mysql::backup::xtrabackup (
Optional[String] $backupuser = undef,
Optional[Variant[String, Sensitive[String]]] $backuppassword = undef,
String $backupdir = '',
String[1] $maxallowedpacket = '1M',
String[1] $backupmethod = 'xtrabackup',
String[1] $backupdirmode = '0700',
String[1] $backupdirowner = 'root',
String[1] $backupdirgroup = $mysql::params::root_group,
Boolean $backupcompress = true,
Variant[Integer, String[1]] $backuprotate = 30,
String[1] $backupscript_template = 'mysql/xtrabackup.sh.erb',
Optional[String[1]] $backup_success_file_path = undef,
Boolean $ignore_events = true,
Boolean $delete_before_dump = false,
Array[String[1]] $backupdatabases = [],
Boolean $file_per_database = false,
Boolean $include_triggers = true,
Boolean $include_routines = false,
Enum['present', 'absent'] $ensure = 'present',
Variant[Array[String[1]], Array[Integer]] $time = ['23', '5'],
Variant[Boolean, String[1], Array[String[1]]] $prescript = false,
Variant[Boolean, String[1], Array[String[1]]] $postscript = false,
String[1] $execpath = '/usr/bin:/usr/sbin:/bin:/sbin',
Array[String[1]] $optional_args = [],
String[1] $additional_cron_args = '--backup',
Boolean $incremental_backups = true,
Boolean $install_cron = true,
Optional[String[1]] $compression_command = undef,
Optional[String[1]] $compression_extension = undef,
String[1] $backupmethod_package = $mysql::params::xtrabackup_package_name,
Array[String] $excludedatabases = [],
) inherits mysql::params {
ensure_packages($backupmethod_package)
$backuppassword_unsensitive = if $backuppassword =~ Sensitive {
$backuppassword.unwrap
} else {
$backuppassword
}
if $backupuser and $backuppassword {
mysql_user { "${backupuser}@localhost":
ensure => $ensure,
password_hash => Deferred('mysql::password', [$backuppassword]),
require => Class['mysql::server::root_password'],
}
# Percona XtraBackup needs additional grants/privileges to work with MySQL 8
if versioncmp($facts['mysql_version'], '8') >= 0 and !(/(?i:mariadb)/ in $facts['mysqld_version']) {
if ($facts['os']['name'] == 'Debian' and versioncmp($facts['os']['release']['major'], '11') >= 0) or
($facts['os']['name'] == 'Ubuntu' and versioncmp($facts['os']['release']['major'], '22.04') >= 0) {
mysql_grant { "${backupuser}@localhost/*.*":
ensure => $ensure,
user => "${backupuser}@localhost",
table => '*.*',
privileges => ['BINLOG MONITOR', 'RELOAD', 'PROCESS', 'LOCK TABLES', 'BACKUP_ADMIN'],
require => Mysql_user["${backupuser}@localhost"],
}
}
else {
mysql_grant { "${backupuser}@localhost/*.*":
ensure => $ensure,
user => "${backupuser}@localhost",
table => '*.*',
privileges => ['RELOAD', 'PROCESS', 'LOCK TABLES', 'REPLICATION CLIENT', 'BACKUP_ADMIN'],
require => Mysql_user["${backupuser}@localhost"],
}
}
mysql_grant { "${backupuser}@localhost/performance_schema.keyring_component_status":
ensure => $ensure,
user => "${backupuser}@localhost",
table => 'performance_schema.keyring_component_status',
privileges => ['SELECT'],
require => Mysql_user["${backupuser}@localhost"],
}
mysql_grant { "${backupuser}@localhost/performance_schema.log_status":
ensure => $ensure,
user => "${backupuser}@localhost",
table => 'performance_schema.log_status',
privileges => ['SELECT'],
require => Mysql_user["${backupuser}@localhost"],
}
}
else {
if $facts['os']['family'] == 'debian' and $facts['os']['release']['major'] == '11' or
($facts['os']['name'] == 'Ubuntu' and versioncmp($facts['os']['release']['major'], '22.04') >= 0) {
mysql_grant { "${backupuser}@localhost/*.*":
ensure => $ensure,
user => "${backupuser}@localhost",
table => '*.*',
privileges => ['BINLOG MONITOR', 'RELOAD', 'PROCESS', 'LOCK TABLES'],
require => Mysql_user["${backupuser}@localhost"],
}
}
else {
mysql_grant { "${backupuser}@localhost/*.*":
ensure => $ensure,
user => "${backupuser}@localhost",
table => '*.*',
privileges => ['RELOAD', 'PROCESS', 'LOCK TABLES', 'REPLICATION CLIENT'],
require => Mysql_user["${backupuser}@localhost"],
}
}
}
}
if $install_cron {
if $facts['os']['family'] == 'RedHat' {
ensure_packages('cronie')
} elsif $facts['os']['family'] != 'FreeBSD' {
ensure_packages('cron')
}
}
if $incremental_backups {
# Warn if old backups are removed too soon. Incremental backups will fail
# if the full backup is no longer available.
if ($backuprotate.convert_to(Integer) < 7) {
warning('The value for `backuprotate` is too low, it must be set to at least 7 days when using incremental backups.')
}
# The --target-dir uses a more predictable value for the full backup so
# that it can easily be calculated and used in incremental backup jobs.
# Besides that it allows to have multiple full backups.
cron { 'xtrabackup-weekly':
ensure => $ensure,
command => "/usr/local/sbin/xtrabackup.sh --target-dir=${backupdir}/$(date +\\%F)_full ${additional_cron_args}",
user => 'root',
hour => $time[0],
minute => $time[1],
weekday => '0',
require => Package[$backupmethod_package],
}
}
# Wether to use GNU or BSD date format.
case $facts['os']['family'] {
'FreeBSD','OpenBSD': {
$dateformat = '$(date -v-sun +\\%F)_full'
}
default: {
$dateformat = '$(date -d "last sunday" +\\%F)_full'
}
}
$daily_cron_data = ($incremental_backups) ? {
true => {
'directories' => "--incremental-basedir=${backupdir}/${dateformat} --target-dir=${backupdir}/$(date +\\%F_\\%H-\\%M-\\%S)",
'weekday' => '1-6',
},
false => {
'directories' => "--target-dir=${backupdir}/$(date +\\%F_\\%H-\\%M-\\%S)",
'weekday' => '*',
},
}
cron { 'xtrabackup-daily':
ensure => $ensure,
command => "/usr/local/sbin/xtrabackup.sh ${daily_cron_data['directories']} ${additional_cron_args}",
user => 'root',
hour => $time[0],
minute => $time[1],
weekday => $daily_cron_data['weekday'],
require => Package[$backupmethod_package],
}
file { $backupdir:
ensure => 'directory',
mode => $backupdirmode,
owner => $backupdirowner,
group => $backupdirgroup,
}
# TODO: use EPP instead of ERB, as EPP can handle Data of Type Sensitive without further ado
file { 'xtrabackup.sh':
ensure => $ensure,
path => '/usr/local/sbin/xtrabackup.sh',
mode => '0700',
owner => 'root',
group => $mysql::params::root_group,
content => template($backupscript_template),
}
}