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# File 'modules/thanos/manifests/rule.pp', line 30
class thanos::rule (
Hash[Stdlib::Fqdn, Hash] $rule_hosts,
Boolean $use_objstore,
Optional[Hash[String, String]] $objstore_account,
Optional[String] $objstore_password,
Array[Stdlib::Host] $alertmanagers,
Array[String] $rule_files,
Stdlib::HTTPSUrl $query_url,
Wmflib::Ensure $ensure = present,
Stdlib::Port::Unprivileged $query_port = 10902,
Stdlib::Port::Unprivileged $http_port = 17902,
Stdlib::Port::Unprivileged $grpc_port = 17901,
) {
ensure_packages(['thanos'])
if $use_objstore and ($objstore_account == undef or $objstore_password == undef) {
fail('thanos::rule: objstore_account and objstore_password are required when use_objstore is true')
}
$http_address = "0.0.0.0:${http_port}"
$grpc_address = "0.0.0.0:${grpc_port}"
$service_name = 'thanos-rule'
$data_dir = '/srv/thanos-rule'
$objstore_config_file = '/etc/thanos-rule/objstore.yaml'
$am_config_file = '/etc/thanos-rule/alertmanagers.yaml'
$am_config = { 'alertmanagers' => [
{ 'static_configs' => $alertmanagers.map |$a| { "${a}:9093" } }
]}
$replica = $::fqdn in $rule_hosts ? {
true => $rule_hosts[$::fqdn]['replica'],
false => 'unset'
}
$relabel_config_file = '/etc/thanos-rule/relabel.yaml'
$relabel_config = [
# Add 'source' label
{ 'target_label' => 'source', 'replacement' => 'thanos', 'action' => 'replace' },
]
file { $data_dir:
ensure => directory,
mode => '0750',
owner => 'thanos',
group => 'thanos',
}
file { '/etc/thanos-rule':
ensure => directory,
mode => '0555',
owner => 'root',
group => 'root',
}
file { '/etc/thanos-rule/rules':
ensure => directory,
mode => '0555',
owner => 'root',
group => 'root',
}
if $use_objstore and $ensure == 'present' {
file { $objstore_config_file:
ensure => file,
mode => '0440',
owner => 'thanos',
group => 'root',
show_diff => false,
content => template('thanos/objstore.yaml.erb'),
}
} else {
file { $objstore_config_file:
ensure => absent,
}
}
file { $am_config_file:
ensure => $ensure,
mode => '0444',
owner => 'thanos',
group => 'root',
content => to_yaml($am_config),
}
file { $relabel_config_file:
ensure => $ensure,
mode => '0444',
owner => 'thanos',
group => 'root',
content => to_yaml($relabel_config),
}
if $ensure != present {
$service_ensure = $ensure
} else { # handle fqdn-based service running/stopped status
if $::fqdn in $rule_hosts {
$service_ensure = 'present'
$service_enable = true
} else {
$service_ensure = 'absent'
$service_enable = false
}
}
systemd::service { $service_name:
ensure => $service_ensure,
restart => true,
override => true,
content => systemd_template('thanos-rule'),
service_params => {
enable => $service_enable,
hasrestart => true,
},
}
systemd::service { "${service_name}-reload":
ensure => $service_ensure,
restart => false,
content => systemd_template("${service_name}-reload"),
service_params => {
enable => $service_enable,
ensure => 'stopped',
hasrestart => true,
},
}
}
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