Defined Type: prometheus::burrow_exporter

Defined in:
modules/prometheus/manifests/burrow_exporter.pp

Overview

Define: prometheus::burrow_exporter

Prometheus exporter for the Kafka Burrow Consumer lag monitoring daemon.

Parameters

burrow_addr

The ip:port combination related to the Burrow daemon to poll. Default: 'localhost:8000'

metrics_addr

The ip:port combination where the exporter will expose its metrics. Default: '0.0.0.0:8080'

interval

How often the Burrow daemon is scraped in seconds. Default: 30

api_version

Burrow API version to use. Default: 3

Parameters:

  • burrow_addr (Any) (defaults to: 'localhost:8000')
  • metrics_addr (Any) (defaults to: '0.0.0.0:9000')
  • interval (Any) (defaults to: 30)
  • api_version (Any) (defaults to: 3) 


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# File 'modules/prometheus/manifests/burrow_exporter.pp', line 23

define prometheus::burrow_exporter(
    $burrow_addr = 'localhost:8000',
    $metrics_addr = '0.0.0.0:9000',
    $interval = 30,
    $api_version = 3,
){
    ensure_packages('prometheus-burrow-exporter')
    $service_name = "prometheus-burrow-exporter@${title}"

    $arguments = "--burrow-addr http://${burrow_addr} --metrics-addr ${metrics_addr} --interval ${interval} --api-version ${api_version}"

    # We're going with multiple prometheus-burrow-exporter, mask and stop the default one.
    exec { "mask_default_burrow_exporter_${title}":
        command => '/bin/systemctl mask prometheus-burrow-exporter.service ; /bin/systemctl stop prometheus-burrow-exporter.service',
        creates => '/etc/systemd/system/prometheus-burrow-exporter.service',
    }

    file { "/etc/default/${service_name}":
        ensure    => present,
        mode      => '0400',
        owner     => 'root',
        group     => 'root',
        content   => "ARGS=\"${arguments}\"",
        show_diff => false,
        notify    => Systemd::Service[$service_name],
    }

    systemd::service { $service_name:
        ensure  => present,
        content => systemd_template('prometheus-burrow-exporter@'),
        restart => true,
        require => Package['prometheus-burrow-exporter'],
    }

    profile::auto_restarts::service { $service_name: }
}