我正在尝试自动化 Prometheusnode_exporter
和我的 Prometheus 服务器。对于node_exporter
我已经编写了一个模块来安装所有需要的包,设置$::ipaddress
基于facter
等等。
现在我想确保从应用节点收集的信息($hostname
, $job_name
, [...])被导出到相应的远程 Prometheus 配置文件中,但我希望这一步异步完成,例如使用木偶代理随后在 Prometheus 服务器上运行。
我试图将类定向到puppetlabs/logrotate
模块,这基本上是在执行以下操作:
日志旋转/init.pp
class logrotate (
String $ensure = present,
Boolean $hieramerge = false,
Boolean $manage_cron_daily = true,
Boolean $create_base_rules = true,
Boolean $purge_configdir = false,
String $package = 'logrotate',
Hash $rules = {},
) {
do some stuff
}
logrotate/rules.pp
class logrotate::rules ($rules = $::logrotate::rules){
#assert_private()
create_resources('logrotate::rule', $rules)
}
logrotate/rule.pp
define logrotate::rule(
Pattern[/^[a-zA-Z0-9\._-]+$/] $rulename = $title,
Enum['present','absent'] $ensure = 'present',
Optional[Logrotate::Path] $path = undef,
(...)
) {
do some stuff
}
缩短了我的ni_trending
(node_exporter)和ni_prometheus
模块目前看起来非常相似logrotate
:
ni_trending/init.pp
class ni_trending (
$hostname = $::fqdn,
$listen_address = $::ipaddress,
$listen_port = 51118,
) {
) inherits ni_trending::params {
anchor { 'ni_trending::start': }
->class { 'ni_trending::package': }
->class { 'ni_trending::config':
(...)
listen_address => $listen_address,
listen_port => $listen_port,
(...)
}
->class { 'ni_trending::service': }
->class { ' ni_trending::prometheus':
(...)
hostname => $hostname,
listen_port => $listen_port,
(...)
}
->anchor { 'ni_trending::end': }
}
ni_trending/prometheus.pp
class ni_trending::prometheus (
Hash $options = {},
) {
ni_prometheus::nodeexporterrule { 'node_exporter' :
ensure => pick_default($options['ensure'], 'present'),
hostname => pick_default($options['hostname'], $ni_trending::hostname),
listen_port => pick_default($options['hostname'], $ni_trending::listen_port),
}
}
ni_prometheus/nodeexporterrules.pp
class ni_prometheus::nodeexporterrules ($rules = $::ni_prometheus::nodeexporterrules) {
create_resources('ni_prometheus::nodeexporterrule', $nodeexporterrules)
}
ni_prometheus/nodeexporterrule.pp
define ni_prometheus::nodeexporterrule (
$job_name = $title,
Enum['present','absent'] $ensure = 'present',
$hostname = $hostname,
$listen_port = $listen_port,
) {
file_line { "prometheus-${job_name}" :
path => "/etc/prometheus/${job_name}.list",
after => 'hosts:',
line => "${hostname}:${listen_port}",
}
}
但是,当我在 Prometheus Master 上本地应用时,这只会起作用node_exporter
- 而不是在外部机器包含ni_trending::prometheus
该类的情况下,这对我来说很有意义 - 因为它显然感觉缺少了一些东西。:-) 我怎样才能让它工作?
谢谢!