Add supervisory_authority plugin

manifests/plugin/supervisory_authority.pp

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+# == Class: Foreman supervisory_authority Plugin
+#
+# This class installs the supervisory_authority plugin and configuration file.
+#
+# === Parameters:
+#
+# $server_url::            The URL for your APM Server. The URL must be fully qualified, including protocol (http or https) and port.
+# 
+# $secret_token::          This string is used to ensure that only your agents can send data to your APM server.
+# 
+# $service_name::          The name of your service. This is used to keep all the errors and transactions of your service together.
+#
+# === Advanced Parameters:
+#
+# $log_level::             Log severity level: 0 (debug), 1 (info), 2 (warn), 3 (error), 4 (fatal), 5 (unknown)
+#
+# $pool_size::             Size of Elastic APM thread pool to send its data to APM Server.
+#
+# $api_buffer_size::       Maximum amount of objects kept in queue, before sending to APM Server.
+# 
+# $api_request_size::      Maximum amount of bytes sent over one request to APM Server.
+#
+# $api_request_time::      Maximum duration of a single streaming request to APM Server before opening a new one.
+#
+# $transaction_max_spans:: Limits the amount of spans that are recorded per transaction.
+#
+# $http_compression::      Defines if http compression is used to send data to APM Server.
+#
+# $metrics_interval::      Specify the interval for reporting metrics to APM Server.
+#
+class foreman::plugin::supervisory_authority (
+  Stdlib::HTTPUrl              $server_url,
+  String                       $secret_token,
+  Pattern[/^[a-zA-Z0-9 _-]+$/] $service_name,
+  Integer[0,5]                 $log_level             = 1,
+  Integer[0]                   $pool_size             = 1,
+  Integer[0]                   $api_buffer_size       = 256,
+  String                       $api_request_size      = '750kb',
+  String                       $api_request_time      = '10s',
+  Integer[0]                   $transaction_max_spans = 500,
+  Boolean                      $http_compression      = false,
+  String                       $metrics_interval      = '30s',
+) {
+  foreman::plugin { 'supervisory_authority':
+    config => template('foreman/foreman_supervisory_authority.yaml.erb'),
+  }
+}

spec/classes/plugin/supervisory_authority_spec.rb

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+require 'spec_helper'
+
+describe 'foreman::plugin::supervisory_authority' do
+  let(:params) do 
+    { 
+      'server_url'   => 'https://example.com',
+      'secret_token' => 'secret_example',
+      'service_name' => 'foreman prod',
+    }
+  end
+  include_examples 'basic foreman plugin tests', 'supervisory_authority'
+end

templates/foreman_supervisory_authority.yaml.erb

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+:foreman_supervisory_authority:
+  server_url: <%= @server_url %>
+  secret_token: '<%= @secret_token %>' 
+  service_name: '<%= @service_name %>'
+  log_level: <%= @log_level %>
+  pool_size: <%= @pool_size %>
+  api_buffer_size: <%= @api_buffer_size %>
+  api_request_size: '<%= @api_request_size %>'
+  api_request_time: '<%= @api_request_time %>'
+  transaction_max_spans: <%= @transaction_max_spans %>
+  http_compression: <%= @http_compression ? 'true' : 'false' %>
+  metrics_interval: '<%= @metrics_interval %>'