diff --git a/README.md b/README.md index 4ca046e78..93e9eab77 100644 --- a/README.md +++ b/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 +* The following exporters are currently implemented: node_exporter, statsd_exporter, process_exporter, haproxy_exporter, mysqld_exporter, blackbox_exporter, consul_exporter, redis_exporter, varnish_exporter ## Usage diff --git a/data/defaults.yaml b/data/defaults.yaml index d91bb1133..cd4537f96 100644 --- a/data/defaults.yaml +++ b/data/defaults.yaml @@ -251,3 +251,11 @@ prometheus::redis_exporter::package_name: 'redis_exporter' prometheus::redis_exporter::user: 'redis-exporter' prometheus::redis_exporter::version: '0.11.2' prometheus::user: 'prometheus' +prometheus::varnish_exporter::download_extension: 'tar.gz' +prometheus::varnish_exporter::download_url_base: 'https://github.com/jonnenauha/prometheus_varnish_exporter/releases' +prometheus::varnish_exporter::extra_groups: [] +prometheus::varnish_exporter::group: 'varnish' +prometheus::varnish_exporter::package_ensure: 'latest' +prometheus::varnish_exporter::package_name: 'prometheus_varnish_exporter' +prometheus::varnish_exporter::user: 'varnish_exporter' +prometheus::varnish_exporter::version: '1.4' diff --git a/manifests/varnish_exporter.pp b/manifests/varnish_exporter.pp new file mode 100644 index 000000000..89d4571b8 --- /dev/null +++ b/manifests/varnish_exporter.pp @@ -0,0 +1,129 @@ +# Class: prometheus::varnish_exporter +# +# This module manages prometheus varnish_exporter +# +# Parameters: +# [*arch*] +# Architecture (amd64 or i386) +# +# [*bin_dir*] +# Directory where binaries are located +# +# [*cnf_scrape_uri*] +# The URI to obtain HAProxy stats from +# +# [*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 +# +# [*extra_groups*] +# Extra groups to add the binary user to +# +# [*extra_options*] +# Extra 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::varnish_exporter( + String $download_extension, + Array $extra_groups, + String $group, + String $package_ensure, + String $package_name, + String $user, + String $version, + Variant[Stdlib::HTTPUrl, Stdlib::HTTPSUrl] $download_url_base, + Boolean $purge_config_dir = true, + Boolean $restart_on_change = true, + Boolean $service_enable = true, + $service_ensure = 'running', + String $init_style = $prometheus::init_style, + String $install_method = $prometheus::install_method, + Boolean $manage_group = true, + Boolean $manage_service = true, + Boolean $manage_user = true, + String $os = $prometheus::os, + String $extra_options = '', + Optional[String] $download_url = undef, + String $arch = $prometheus::arch, + Stdlib::Absolutepath $bin_dir = $prometheus::bin_dir, +) inherits prometheus { + + $real_download_url = pick($download_url,"${download_url_base}/download/${version}/${package_name}-${version}.${os}-${arch}.${download_extension}") + $notify_service = $restart_on_change ? { + true => Service[$package_name], + default => undef, + } + + $options = " ${extra_options}" + prometheus::daemon { $package_name: + install_method => $install_method, + version => $version, + download_extension => $download_extension, + os => $os, + arch => $arch, + 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, + real_download_url => $real_download_url, + 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, + } +} diff --git a/spec/classes/varnish_exporter_spec.rb b/spec/classes/varnish_exporter_spec.rb new file mode 100644 index 000000000..ad68e758e --- /dev/null +++ b/spec/classes/varnish_exporter_spec.rb @@ -0,0 +1,32 @@ +require 'spec_helper' + +describe 'prometheus::varnish_exporter' do + on_supported_os.each do |os, facts| + context "on #{os}" do + let(:facts) do + facts.merge(os_specific_facts(facts)) + end + + context 'with version specified' do + let(:params) do + { + version: '1.4', + arch: 'amd64', + os: 'linux', + bin_dir: '/usr/local/bin' + } + end + + describe 'install correct binary' do + it { is_expected.to contain_file('/usr/local/bin/prometheus_varnish_exporter').with('target' => '/opt/prometheus_varnish_exporter-1.4.linux-amd64/prometheus_varnish_exporter') } + end + describe 'required resources' do + it { is_expected.to contain_group('varnish') } + it { is_expected.to contain_prometheus__daemon('prometheus_varnish_exporter') } + it { is_expected.to contain_service('prometheus_varnish_exporter') } + it { is_expected.to contain_user('varnish_exporter') } + end + end + end + end +end