Allow no logfile to log to systemd-journald only

REFERENCE.md

@@ -489,10 +489,11 @@ Default value: `$redis::params::log_dir_mode`
 
 ##### <a name="-redis--log_file"></a>`log_file`
 
-Data type: `String`
+Data type: `Variant[Boolean[false], String[1]]`
 
 Specify file where to write log entries. Relative paths will be prepended
-with log_dir but absolute paths are also accepted.
+with log_dir but absolute paths are also accepted. Boolean false means only
+log to systemd-journald.
 
 Default value: `'redis.log'`
 
@@ -2270,10 +2271,11 @@ Default value: `$redis::log_dir_mode`
 
 ##### <a name="-redis--instance--log_file"></a>`log_file`
 
-Data type: `String`
+Data type: `Variant[Boolean[false], String[1]]`
 
 Specify file where to write log entries. Relative paths will be prepended
-with log_dir but absolute paths are also accepted.
+with log_dir but absolute paths are also accepted. Boolean false means only
+log to systemd-journald.
 
 Default value: `"redis-server-${name}.log"`
 

manifests/init.pp

@@ -85,7 +85,8 @@
 #   Adjust mode for directory containing log files.
 # @param log_file
 #   Specify file where to write log entries. Relative paths will be prepended
-#   with log_dir but absolute paths are also accepted.
+#   with log_dir but absolute paths are also accepted. Boolean false means only
+#   log to systemd-journald.
 # @param log_level
 #   Specify the server verbosity level.
 # @param manage_repo
@@ -386,7 +387,7 @@
   Integer[0] $list_max_ziplist_value                             = 64,
   Stdlib::Absolutepath $log_dir                                  = $redis::params::log_dir,
   Stdlib::Filemode $log_dir_mode                                 = $redis::params::log_dir_mode,
-  String $log_file                                               = 'redis.log',
+  Variant[Boolean[false], String[1]] $log_file                   = 'redis.log',
   Redis::LogLevel $log_level                                     = 'notice',
   Boolean $manage_service_file                                   = false,
   Boolean $manage_package                                        = true,

manifests/instance.pp

@@ -66,7 +66,8 @@
 #   Adjust mode for directory containing log files.
 # @param log_file
 #   Specify file where to write log entries. Relative paths will be prepended
-#   with log_dir but absolute paths are also accepted.
+#   with log_dir but absolute paths are also accepted. Boolean false means only
+#   log to systemd-journald.
 # @param log_level
 #   Specify the server verbosity level.
 # @param managed_by_cluster_manager
@@ -396,7 +397,7 @@
   Optional[Integer[0]] $service_timeout_start                    = $redis::service_timeout_start,
   Optional[Integer[0]] $service_timeout_stop                     = $redis::service_timeout_stop,
   Boolean $manage_service_file                                   = true,
-  String $log_file                                               = "redis-server-${name}.log",
+  Variant[Boolean[false], String[1]] $log_file                   = "redis-server-${name}.log",
   Stdlib::Absolutepath $pid_file                                 = "/var/run/${service_name}/redis.pid",
   Variant[Stdlib::Absolutepath, Enum['']] $unixsocket            = "/var/run/${service_name}/redis.sock",
   Stdlib::Absolutepath $workdir                                  = "${redis::workdir}/redis-server-${name}",
@@ -496,6 +497,7 @@
 
   $_real_log_file = $log_file ? {
     Stdlib::Absolutepath => $log_file,
+    Boolean              => false,
     default              => "${log_dir}/${log_file}",
   }
 

spec/classes/redis_spec.rb

@@ -451,6 +451,20 @@ class { 'redis':
             )
           }
         end
+
+        describe 'as false' do
+          let(:params) do
+            {
+              log_file: false
+            }
+          end
+
+          it {
+            is_expected.to contain_file(config_file_orig).with(
+              'content' => %r{^logfile ""$}
+            )
+          }
+        end
       end
 
       describe 'with parameter log_level' do

templates/redis.conf.epp

@@ -10,7 +10,7 @@
   Integer[0]                                         $timeout,
   Integer[0]                                         $tcp_keepalive,
   Redis::LogLevel                                    $log_level,
-  Stdlib::Absolutepath                               $log_file,
+  Variant[Stdlib::Absolutepath, Boolean[false]]      $log_file,
   Boolean                                            $syslog_enabled,
   Optional[String[1]]                                $syslog_facility,
   Integer[1]                                         $databases,
@@ -304,7 +304,11 @@ loglevel <%= $log_level %>
 # Specify the log file name. Also 'stdout' can be used to force
 # Redis to log on the standard output. Note that if you use standard
 # output for logging but daemonize, logs will be sent to /dev/null
-logfile <%= $log_file %>
+logfile <% if $log_file { -%>
+<%= $log_file %>
+<% } else { -%>
+""
+<% } -%>
 
 # To enable logging to the system logger, just set 'syslog-enabled' to yes,
 # and optionally update the other syslog parameters to suit your needs.