Feature/collectd exporter

README.md

@@ -41,7 +41,7 @@ This module automates the install and configuration of Prometheus monitoring too
 * Installs a configuration file for prometheus daemon (/etc/prometheus/prometheus.yaml) or for alertmanager (/etc/prometheus/alert.rules)
 * Manages the services via upstart, sysv, or systemd
 * Optionally creates alert rules
-* The following exporters are currently implemented: node_exporter, statsd_exporter, process_exporter, haproxy_exporter, mysqld_exporter, blackbox_exporter, consul_exporter, redis_exporter, varnish_exporter, graphite_exporter, postgres_exporter
+* The following exporters are currently implemented: node_exporter, statsd_exporter, process_exporter, haproxy_exporter, mysqld_exporter, blackbox_exporter, consul_exporter, redis_exporter, varnish_exporter, graphite_exporter, postgres_exporter, collectd_exporter
 
 ## Usage
 

data/defaults.yaml

@@ -295,3 +295,18 @@ prometheus::graphite_exporter::manage_group: true
 prometheus::graphite_exporter::manage_service: true
 prometheus::graphite_exporter::manage_user: true
 prometheus::graphite_exporter::options: ''
+prometheus::collectd_exporter::download_extension: 'tar.gz'
+prometheus::collectd_exporter::download_url_base: 'https://github.com/prometheus/collectd_exporter/releases'
+prometheus::collectd_exporter::group: 'collectd-exporter'
+prometheus::collectd_exporter::package_ensure: 'latest'
+prometheus::collectd_exporter::package_name: 'collectd_exporter'
+prometheus::collectd_exporter::user: 'collectd-exporter'
+prometheus::collectd_exporter::version: '0.4.0'
+prometheus::collectd_exporter::purge_config_dir: true
+prometheus::collectd_exporter::restart_on_change: true
+prometheus::collectd_exporter::service_enable: true
+prometheus::collectd_exporter::service_ensure: 'running'
+prometheus::collectd_exporter::manage_group: true
+prometheus::collectd_exporter::manage_service: true
+prometheus::collectd_exporter::manage_user: true
+prometheus::collectd_exporter::options: ''

manifests/collectd_exporter.pp

@@ -0,0 +1,122 @@
+# Class: prometheus::collectd_exporter
+#
+# This module manages prometheus node collectd_exporter
+#
+# Parameters:
+#  [*arch*]
+#  Architecture (amd64 or i386)
+#
+#  [*bin_dir*]
+#  Directory where binaries are located
+#
+#  [*download_extension*]
+#  Extension for the release binary archive
+#
+#  [*download_url*]
+#  Complete URL corresponding to the where the release binary archive can be downloaded
+#
+#  [*download_url_base*]
+#  Base URL for the binary archive
+#
+#  [*options*]
+#  Options added to the startup command
+#
+#  [*group*]
+#  Group under which the binary is running
+#
+#  [*init_style*]
+#  Service startup scripts style (e.g. rc, upstart or systemd)
+#
+#  [*install_method*]
+#  Installation method: url or package (only url is supported currently)
+#
+#  [*manage_group*]
+#  Whether to create a group for or rely on external code for that
+#
+#  [*manage_service*]
+#  Should puppet manage the service? (default true)
+#
+#  [*manage_user*]
+#  Whether to create user or rely on external code for that
+#
+#  [*os*]
+#  Operating system (linux is the only one supported)
+#
+#  [*package_ensure*]
+#  If package, then use this for package ensure default 'latest'
+#
+#  [*package_name*]
+#  The binary package name - not available yet
+#
+#  [*purge_config_dir*]
+#  Purge config files no longer generated by Puppet
+#
+#  [*restart_on_change*]
+#  Should puppet restart the service on configuration change? (default true)
+#
+#  [*service_enable*]
+#  Whether to enable the service from puppet (default true)
+#
+#  [*service_ensure*]
+#  State ensured for the service (default 'running')
+#
+#  [*user*]
+#  User which runs the service
+#
+#  [*version*]
+#  The binary release version
+#
+class prometheus::collectd_exporter (
+  String $download_extension,
+  String $download_url_base,
+  String $group,
+  String $package_ensure,
+  String $package_name,
+  String $user,
+  String $version,
+  Boolean $purge_config_dir,
+  Boolean $restart_on_change,
+  Boolean $service_enable,
+  String $service_ensure,
+  Boolean $manage_group,
+  Boolean $manage_service,
+  Boolean $manage_user,
+  String $options,
+  String $os                     = $prometheus::os,
+  String $init_style             = $prometheus::init_style,
+  String $install_method         = $prometheus::install_method,
+  Optional[String] $download_url = undef,
+  String $arch                   = $prometheus::real_arch,
+  String $bin_dir                = $prometheus::bin_dir,
+) inherits prometheus {
+
+  $real_download_url = pick($download_url,"${download_url_base}/download/v${version}/${package_name}-${version}.${os}-${arch}.${download_extension}")
+
+  $notify_service = $restart_on_change ? {
+    true    => Service['collectd_exporter'],
+    default => undef,
+  }
+
+  prometheus::daemon { 'collectd_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,
+    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,
+  }
+}

spec/classes/collectd_exporter_spec.rb

@@ -0,0 +1,30 @@
+require 'spec_helper'
+
+describe 'prometheus::collectd_exporter' do
+  on_supported_os.each do |os, facts|
+    context "on #{os}" do
+      let(:facts) do
+        facts.merge(os_specific_facts(facts))
+      end
+
+      context 'without parameters' do
+        it { is_expected.to contain_prometheus__daemon('collectd_exporter') }
+        it { is_expected.to compile.with_all_deps }
+        it { is_expected.to contain_group('collectd-exporter') }
+        it { is_expected.to contain_service('collectd_exporter') }
+        it { is_expected.to contain_user('collectd-exporter') }
+        it { is_expected.to contain_class('prometheus') }
+      end
+
+      context 'with params' do
+        let :params do
+          {
+            install_method: 'url'
+          }
+        end
+
+        it { is_expected.to contain_archive('/tmp/collectd_exporter-0.4.0.tar.gz') }
+      end
+    end
+  end
+end