Puppet Class: prometheus::elasticsearch_exporter

Inherits:
prometheus
Defined in:
manifests/elasticsearch_exporter.pp

Summary

This module manages prometheus elasticsearch_exporter

Overview

Parameters:

  • arch (String[1]) (defaults to: $prometheus::real_arch)

    Architecture (amd64 or i386)

  • bin_dir (Stdlib::Absolutepath) (defaults to: $prometheus::bin_dir)

    Directory where binaries are located

  • cnf_uri (String[1])

    The URI to obtain elasticsearch stats from

  • cnf_timeout (String[1])

    Timeout for trying to get stats from elasticsearch URI

  • download_extension (String)

    Extension for the release binary archive

  • download_url (Optional[Prometheus::Uri]) (defaults to: undef)

    Complete URL corresponding to the where the release binary archive can be downloaded

  • download_url_base (Prometheus::Uri)

    Base URL for the binary archive

  • extra_groups (Array)

    Extra groups to add the binary user to

  • extra_options (Optional[String[1]]) (defaults to: undef)

    Extra options added to the startup command

  • group (String[1])

    Group under which the binary is running

  • init_style (Prometheus::Initstyle) (defaults to: $prometheus::init_style)

    Service startup scripts style (e.g. rc, upstart or systemd)

  • install_method (Prometheus::Install) (defaults to: $prometheus::install_method)

    Installation method: url or package (only url is supported currently)

  • manage_group (Boolean) (defaults to: true)

    Whether to create a group for or rely on external code for that

  • manage_service (Boolean) (defaults to: true)

    Should puppet manage the service? (default true)

  • manage_user (Boolean) (defaults to: true)

    Whether to create user or rely on external code for that

  • export_scrape_job (Boolean) (defaults to: false)

    Whether to export a scrape job for this service

  • scrape_host (Optional[Stdlib::Host]) (defaults to: undef)

    Hostname or IP address to scrape

  • scrape_port (Stdlib::Port) (defaults to: 9114)

    Host port to scrape

  • scrape_job_name (String[1]) (defaults to: 'elasticsearch')

    Name of the scrape job to export, if export_scrape_job is true

  • scrape_job_labels (Optional[Hash]) (defaults to: undef)

    Labels to add to the scrape job, if export_scrape_job is true

  • os (String[1]) (defaults to: downcase($facts['kernel']))

    Operating system (linux is the only one supported)

  • package_ensure (String[1])

    If package, then use this for package ensure default ‘latest’

  • package_name (String[1])

    The binary package name - not available yet

  • purge_config_dir (Boolean) (defaults to: true)

    Purge config files no longer generated by Puppet

  • restart_on_change (Boolean) (defaults to: true)

    Should puppet restart the service on configuration change? (default true)

  • service_enable (Boolean) (defaults to: true)

    Whether to enable the service from puppet (default true)

  • service_ensure (Stdlib::Ensure::Service) (defaults to: 'running')

    State ensured for the service (default ‘running’)

  • service_name (String[1])

    Name of the node exporter service

  • user (String[1])

    User which runs the service

  • version (String[1])

    The binary release version

  • use_kingpin (Boolean)

    Since version 1.1.0, the elasticsearch exporter uses kingpin, thus this param to define how we call the es.uri and es.timeout in the $options github.com/justwatchcom/elasticsearch_exporter/blob/v1.1.0/CHANGELOG.md

  • proxy_server (Optional[String[1]]) (defaults to: undef)

    Optional proxy server, with port number if needed. ie: example.com:8080

  • proxy_type (Optional[Enum['none', 'http', 'https', 'ftp']]) (defaults to: undef)

    Optional proxy server type (none|http|https|ftp)

  • web_config_file (Stdlib::Absolutepath) (defaults to: '/etc/elasticsearch_exporter_web-config.yml')

    Path of file where the web-config will be saved to

  • web_config_content (Prometheus::Web_config) (defaults to: {})

    Unless empty the content of the web-config yaml which will handed over as option to the exporter



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# File 'manifests/elasticsearch_exporter.pp', line 74

class prometheus::elasticsearch_exporter (
  String[1] $cnf_uri,
  String[1] $cnf_timeout,
  String $download_extension,
  Prometheus::Uri $download_url_base,
  Array $extra_groups,
  String[1] $group,
  String[1] $package_ensure,
  String[1] $package_name,
  String[1] $service_name,
  String[1] $user,
  String[1] $version,
  Boolean $use_kingpin,
  Boolean $purge_config_dir                                  = true,
  Boolean $restart_on_change                                 = true,
  Boolean $service_enable                                    = true,
  Stdlib::Ensure::Service $service_ensure                    = 'running',
  Prometheus::Initstyle $init_style                          = $prometheus::init_style,
  Prometheus::Install $install_method                        = $prometheus::install_method,
  Boolean $manage_group                                      = true,
  Boolean $manage_service                                    = true,
  Boolean $manage_user                                       = true,
  String[1] $os                                              = downcase($facts['kernel']),
  Optional[String[1]] $extra_options                         = undef,
  Optional[Prometheus::Uri] $download_url                    = undef,
  String[1] $arch                                            = $prometheus::real_arch,
  Stdlib::Absolutepath $bin_dir                              = $prometheus::bin_dir,
  Boolean $export_scrape_job                                 = false,
  Optional[Stdlib::Host] $scrape_host                        = undef,
  Stdlib::Port $scrape_port                                  = 9114,
  String[1] $scrape_job_name                                 = 'elasticsearch',
  Optional[Hash] $scrape_job_labels                          = undef,
  Optional[String[1]] $proxy_server                          = undef,
  Optional[Enum['none', 'http', 'https', 'ftp']] $proxy_type = undef,
  Stdlib::Absolutepath $web_config_file                      = '/etc/elasticsearch_exporter_web-config.yml',
  Prometheus::Web_config $web_config_content                 = {},
) inherits prometheus {
  #Please provide the download_url for versions < 0.9.0
  $real_download_url = pick($download_url,"${download_url_base}/download/v${version}/${package_name}-${version}.${os}-${arch}.${download_extension}")

  $notify_service = $restart_on_change ? {
    true    => Service[$service_name],
    default => undef,
  }

  $flag_prefix = $use_kingpin ? {
    true  => '--',
    false => '-',
  }

  $_web_config_ensure = $web_config_content.empty ? {
    true    => absent,
    default => file,
  }

  file { $web_config_file:
    ensure  => $_web_config_ensure,
    owner   => $user,
    group   => $group,
    mode    => '0640',
    content => $web_config_content.stdlib::to_yaml,
    notify  => $notify_service,
  }

  $_web_config = if $web_config_content.empty {
    ''
  } else {
    "${flag_prefix}web.config.file=${$web_config_file}"
  }

  $options = [
    "${flag_prefix}es.uri=${cnf_uri}",
    "${flag_prefix}es.timeout=${cnf_timeout}",
    $extra_options,
    $_web_config,
  ].filter |$x| { !$x.empty }.join(' ')

  prometheus::daemon { 'elasticsearch_exporter':
    install_method     => $install_method,
    version            => $version,
    download_extension => $download_extension,
    os                 => $os,
    arch               => $arch,
    real_download_url  => $real_download_url,
    bin_dir            => $bin_dir,
    notify_service     => $notify_service,
    package_name       => $package_name,
    package_ensure     => $package_ensure,
    manage_user        => $manage_user,
    user               => $user,
    extra_groups       => $extra_groups,
    group              => $group,
    manage_group       => $manage_group,
    purge              => $purge_config_dir,
    options            => $options,
    init_style         => $init_style,
    service_ensure     => $service_ensure,
    service_enable     => $service_enable,
    manage_service     => $manage_service,
    export_scrape_job  => $export_scrape_job,
    scrape_host        => $scrape_host,
    scrape_port        => $scrape_port,
    scrape_job_name    => $scrape_job_name,
    scrape_job_labels  => $scrape_job_labels,
    proxy_server       => $proxy_server,
    proxy_type         => $proxy_type,
  }
}