Update mongodb_exporter to version 0.11.0

data/defaults.yaml

@@ -193,7 +193,7 @@ prometheus::mongodb_exporter::package_ensure: 'latest'
 prometheus::mongodb_exporter::package_name: 'mongodb_exporter'
 prometheus::mongodb_exporter::service_name: 'mongodb_exporter'
 prometheus::mongodb_exporter::user: 'mongodb-exporter'
-prometheus::mongodb_exporter::version: '0.3.1'
+prometheus::mongodb_exporter::version: '0.11.0'
 prometheus::mongodb_exporter::use_kingpin: false
 prometheus::node_exporter::download_extension: 'tar.gz'
 prometheus::node_exporter::download_url_base: 'https://github.com/prometheus/node_exporter/releases'

manifests/mongodb_exporter.pp

@@ -98,8 +98,40 @@
 
   $options = "${flag_prefix}mongodb.uri=${cnf_uri} ${extra_options}"
 
+  if $install_method == 'url' and (versioncmp($version, '0.7.0') >= 0) {
+    # Not a big fan of copypasting but prometheus::daemon takes for granted
+    # a specific path embedded in the prometheus *_exporter tarball, which
+    # mongodb_exporter lacks.
+    # TODO: patch prometheus::daemon to support custom extract directories
+    $exporter_install_method = 'none'
+    $install_dir = "/opt/${service_name}-${version}.${os}-${arch}"
+    file { $install_dir:
+      ensure => 'directory',
+      owner  => 'root',
+      group  => 0, # 0 instead of root because OS X uses "wheel".
+      mode   => '0555',
+    }
+    -> archive { "/tmp/${service_name}-${version}.${download_extension}":
+      ensure          => present,
+      extract         => true,
+      extract_path    => $install_dir,
+      source          => $real_download_url,
+      checksum_verify => false,
+      creates         => "${install_dir}/${service_name}",
+      cleanup         => true,
+    }
+    -> file { "${bin_dir}/${service_name}":
+      ensure => link,
+      notify => $notify_service,
+      target => "${install_dir}/${service_name}",
+      before => Prometheus::Daemon[$service_name],
+    }
+  } else {
+    $exporter_install_method = $install_method
+  }
+
   prometheus::daemon { 'mongodb_exporter':
-    install_method     => $install_method,
+    install_method     => $exporter_install_method,
     version            => $version,
     download_extension => $download_extension,
     os                 => $os,

spec/acceptance/mongodb_exporter_spec.rb

@@ -0,0 +1,54 @@
+require 'spec_helper_acceptance'
+
+describe 'prometheus mongodb_exporter' do
+  it 'mongodb_exporter works idempotently with no errors' do
+    pp = 'include prometheus::mongodb_exporter'
+    apply_manifest(pp, catch_failures: true)
+    apply_manifest(pp, expect_changes: true)
+    shell('sleep 30')
+  end
+
+  describe 'prometheus mongodb_exporter version 0.3.1' do
+    it ' mongodb_exporter installs with version 0.3.1' do
+      pp = "class { 'prometheus::mongodb_exporter': version => '0.3.1' }"
+      apply_manifest(pp, catch_failures: true)
+      apply_manifest(pp, catch_changes: true)
+      shell('sleep 30')
+    end
+
+    describe process('mongodb_exporter') do
+      its(:args) { is_expected.to match %r{\ -mongodb.uri} }
+    end
+
+    describe service('mongodb_exporter') do
+      it { is_expected.to be_running }
+      it { is_expected.to be_enabled }
+    end
+
+    describe port(9216) do
+      it { is_expected.to be_listening.with('tcp6') }
+    end
+  end
+
+  describe 'prometheus mongodb_exporter version 0.11.0' do
+    it ' mongodb_exporter installs with version 0.11.0' do
+      pp = "class { 'prometheus::mongodb_exporter': version => '0.11.0', use_kingpin => true }"
+      apply_manifest(pp, catch_failures: true)
+      apply_manifest(pp, catch_changes: true)
+      shell('sleep 30')
+    end
+
+    describe process('mongodb_exporter') do
+      its(:args) { is_expected.to match %r{\ --mongodb.uri} }
+    end
+
+    describe service('mongodb_exporter') do
+      it { is_expected.to be_running }
+      it { is_expected.to be_enabled }
+    end
+
+    describe port(9216) do
+      it { is_expected.to be_listening.with('tcp6') }
+    end
+  end
+end