Add nginx module

manifests/module/nginx.pp

@@ -0,0 +1,65 @@
+# filebeat::module::nginx
+#
+# @summary
+#   This class manages the Filebeat module for Nginx.
+#
+# @example
+#   class { 'filebeat::module::nginx':
+#     access_enabled => true,
+#     access_paths   => [
+#       '/var/log/nginx/access.log*',
+#     ],
+#     error_enabled  => true,
+#     error_paths    => [
+#       '/var/log/nginx/error.log*',
+#     ],
+#     ingress_enabled => true,
+#     ingress_paths   => [
+#       '/var/log/nginx/ingress.log*',
+#     ],
+#   }
+#
+# @param access_enabled
+#   Whether to enable the Nginx access module.
+# @param access_paths
+#   The paths to the Nginx access logs.
+# @param error_enabled
+#   Whether to enable the Nginx error module.
+# @param error_paths
+#   The paths to the Nginx error logs.
+# @param ingress_controller_enabled
+#   Whether to enable the Nginx ingress_controller module.
+# @param ingress_controller_paths
+#   The paths to the Nginx ingress_controller logs.
+#
+class filebeat::module::nginx (
+  Boolean $access_enabled = false,
+  Optional[Array[Stdlib::Absolutepath]] $access_paths = undef,
+  Boolean $error_enabled = false,
+  Optional[Array[Stdlib::Absolutepath]] $error_paths = undef,
+  Boolean $ingress_controller_enabled = false,
+  Optional[Array[Stdlib::Absolutepath]] $ingress_controller_paths = undef,
+) {
+  filebeat::module { 'nginx':
+    config => {
+      'access'             => delete_undef_values(
+        {
+          'enabled'   => $access_enabled,
+          'var.paths' => $access_paths,
+        }
+      ),
+      'error'              => delete_undef_values(
+        {
+          'enabled'   => $error_enabled,
+          'var.paths' => $error_paths,
+        }
+      ),
+      'ingress_controller' => delete_undef_values(
+        {
+          'enabled'   => $ingress_controller_enabled,
+          'var.paths' => $ingress_controller_paths,
+        }
+      ),
+    },
+  }
+}

spec/classes/module/nginx_spec.rb

@@ -0,0 +1,66 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe 'filebeat::module::nginx' do
+  let :pre_condition do
+    'include ::filebeat'
+  end
+
+  let(:facts) { 
+    {
+      :kernel => 'Linux',
+      :os => {
+        :family => 'Debian',
+        :name => 'Ubuntu',
+      }
+    } 
+  }
+
+  context 'on default values' do
+    it { is_expected.to compile.with_all_deps }
+
+    it {
+      is_expected.to contain_file('filebeat-module-nginx').with_content(
+      %r{- module: nginx\n\s{2}access:\n\s{4}enabled: false\n\s{2}error:\n\s{4}enabled: false\n\s{2}ingress_controller:\n\s{4}enabled: false\n\n},
+    )}
+  end
+
+  context 'on access, error and ingress_controller enabled with paths' do
+    let(:params) do
+      {
+        'access_enabled' => true,
+        'access_paths' => ['/var/log/nginx/access.log'],
+        'error_enabled' => true,
+        'error_paths' => ['/var/log/nginx/error.log'],
+        'ingress_controller_enabled' => true,
+        'ingress_controller_paths' => ['/var/log/nginx/ingress_controller.log'],
+      }
+    end
+
+    it { is_expected.to compile.with_all_deps }
+
+    it {
+      is_expected.to contain_file('filebeat-module-nginx').with_content(
+        <<-EOS
+### Filebeat configuration managed by Puppet ###
+---
+- module: nginx
+  access:
+    enabled: true
+    var.paths:
+    - "/var/log/nginx/access.log"
+  error:
+    enabled: true
+    var.paths:
+    - "/var/log/nginx/error.log"
+  ingress_controller:
+    enabled: true
+    var.paths:
+    - "/var/log/nginx/ingress_controller.log"
+
+EOS
+    )
+    }
+  end
+end