diff --git a/REFERENCE.md b/REFERENCE.md
index 5fa03c34..3b479fc1 100644
--- a/REFERENCE.md
+++ b/REFERENCE.md
@@ -1705,34 +1705,44 @@ Default value: `$prometheus::bin_dir`
 
 ##### <a name="-prometheus--beanstalkd_exporter--config"></a>`config`
 
-Data type: `String[1]`
+Data type: `Stdlib::Absolutepath`
 
 Path to configuration file that stores beanstalkd address
 
+Default value: `'/etc/beanstalkd-exporter.conf'`
+
 ##### <a name="-prometheus--beanstalkd_exporter--mapping_config"></a>`mapping_config`
 
-Data type: `String[1]`
+Data type: `Stdlib::Absolutepath`
 
 Path to configuration file with tubes mappings (not implemented)
 
+Default value: `'/etc/beanstalkd-exporter-mapping.conf'`
+
 ##### <a name="-prometheus--beanstalkd_exporter--beanstalkd_address"></a>`beanstalkd_address`
 
 Data type: `String[1]`
 
 Address of beanstalkd, defaults to localhost
 
+Default value: `'127.0.0.1:11300'`
+
 ##### <a name="-prometheus--beanstalkd_exporter--exporter_listen"></a>`exporter_listen`
 
 Data type: `String[1]`
 
 Address to bind beanstalkd_exporter to. Default is different than upstream (*:9371)
 
+Default value: `':9371'`
+
 ##### <a name="-prometheus--beanstalkd_exporter--download_extension"></a>`download_extension`
 
-Data type: `String`
+Data type: `String[0]`
 
 Extension for the release binary archive
 
+Default value: `''`
+
 ##### <a name="-prometheus--beanstalkd_exporter--download_url"></a>`download_url`
 
 Data type: `Variant[Undef,String]`
@@ -1747,12 +1757,16 @@ Data type: `Prometheus::Uri`
 
 Base URL for the binary archive
 
+Default value: `'https://github.com/messagebird/beanstalkd_exporter/releases'`
+
 ##### <a name="-prometheus--beanstalkd_exporter--extra_groups"></a>`extra_groups`
 
 Data type: `Array`
 
 Extra groups to add the binary user to
 
+Default value: `[]`
+
 ##### <a name="-prometheus--beanstalkd_exporter--extra_options"></a>`extra_options`
 
 Data type: `Optional[String[1]]`
@@ -1767,6 +1781,8 @@ Data type: `String[1]`
 
 Group under which the binary is running
 
+Default value: `'beanstalkd-exporter'`
+
 ##### <a name="-prometheus--beanstalkd_exporter--init_style"></a>`init_style`
 
 Data type: `Prometheus::Initstyle`
@@ -1821,12 +1837,16 @@ Data type: `String[1]`
 
 If package, then use this for package ensure default 'latest'
 
+Default value: `'latest'`
+
 ##### <a name="-prometheus--beanstalkd_exporter--package_name"></a>`package_name`
 
 Data type: `String[1]`
 
 The binary package name - not available yet
 
+Default value: `'beanstalkd_exporter'`
+
 ##### <a name="-prometheus--beanstalkd_exporter--purge_config_dir"></a>`purge_config_dir`
 
 Data type: `Boolean`
@@ -1865,12 +1885,16 @@ Data type: `String[1]`
 
 Name of the beanstalkd exporter service (default 'beanstalkd_exporter')
 
+Default value: `'beanstalkd_exporter'`
+
 ##### <a name="-prometheus--beanstalkd_exporter--user"></a>`user`
 
 Data type: `String[1]`
 
 User which runs the service
 
+Default value: `'beanstalkd-exporter'`
+
 ##### <a name="-prometheus--beanstalkd_exporter--version"></a>`version`
 
 Data type: `String[1]`
@@ -7037,6 +7061,8 @@ Data type: `String`
 
 Extension for the release binary archive
 
+Default value: `'tar.gz'`
+
 ##### <a name="-prometheus--mysqld_exporter--download_url"></a>`download_url`
 
 Data type: `Optional[Prometheus::Uri]`
@@ -7051,12 +7077,16 @@ Data type: `Prometheus::Uri`
 
 Base URL for the binary archive
 
+Default value: `'https://github.com/prometheus/mysqld_exporter/releases'`
+
 ##### <a name="-prometheus--mysqld_exporter--extra_groups"></a>`extra_groups`
 
 Data type: `Array`
 
 Extra groups to add the binary user to
 
+Default value: `[]`
+
 ##### <a name="-prometheus--mysqld_exporter--extra_options"></a>`extra_options`
 
 Data type: `Optional[String[1]]`
@@ -7071,6 +7101,8 @@ Data type: `String[1]`
 
 Group under which the binary is running
 
+Default value: `'mysqld-exporter'`
+
 ##### <a name="-prometheus--mysqld_exporter--init_style"></a>`init_style`
 
 Data type: `Prometheus::Initstyle`
@@ -7125,12 +7157,16 @@ Data type: `String[1]`
 
 If package, then use this for package ensure default 'latest'
 
+Default value: `'latest'`
+
 ##### <a name="-prometheus--mysqld_exporter--package_name"></a>`package_name`
 
 Data type: `String[1]`
 
 The binary package name - not available yet
 
+Default value: `'mysqld_exporter'`
+
 ##### <a name="-prometheus--mysqld_exporter--purge_config_dir"></a>`purge_config_dir`
 
 Data type: `Boolean`
@@ -7177,6 +7213,8 @@ Data type: `String[1]`
 
 User which runs the service
 
+Default value: `'mysqld-exporter'`
+
 ##### <a name="-prometheus--mysqld_exporter--version"></a>`version`
 
 Data type: `String[1]`
@@ -7973,6 +8011,8 @@ Data type: `String`
 
 Extension for the release binary archive
 
+Default value: `'tar.gz'`
+
 ##### <a name="-prometheus--node_exporter--download_url"></a>`download_url`
 
 Data type: `Optional[Prometheus::Uri]`
@@ -7987,12 +8027,16 @@ Data type: `Prometheus::Uri`
 
 Base URL for the binary archive
 
+Default value: `'https://github.com/prometheus/node_exporter/releases'`
+
 ##### <a name="-prometheus--node_exporter--extra_groups"></a>`extra_groups`
 
 Data type: `Array[String]`
 
 Extra groups to add the binary user to
 
+Default value: `[]`
+
 ##### <a name="-prometheus--node_exporter--extra_options"></a>`extra_options`
 
 Data type: `Optional[String[1]]`
@@ -8007,6 +8051,8 @@ Data type: `String[1]`
 
 Group under which the binary is running
 
+Default value: `'node-exporter'`
+
 ##### <a name="-prometheus--node_exporter--init_style"></a>`init_style`
 
 Data type: `Prometheus::Initstyle`
@@ -8061,12 +8107,16 @@ Data type: `String[1]`
 
 If package, then use this for package ensure default 'latest'
 
+Default value: `'latest'`
+
 ##### <a name="-prometheus--node_exporter--package_name"></a>`package_name`
 
 Data type: `String[1]`
 
 The binary package name - not available yet
 
+Default value: `'node_exporter'`
+
 ##### <a name="-prometheus--node_exporter--purge_config_dir"></a>`purge_config_dir`
 
 Data type: `Boolean`
@@ -8113,6 +8163,8 @@ Data type: `String[1]`
 
 User which runs the service
 
+Default value: `'node-exporter'`
+
 ##### <a name="-prometheus--node_exporter--version"></a>`version`
 
 Data type: `String[1]`
@@ -9809,6 +9861,8 @@ Data type: `String`
 
 Extension for the release binary archive
 
+Default value: `'tar.gz'`
+
 ##### <a name="-prometheus--process_exporter--download_url"></a>`download_url`
 
 Data type: `Optional[Prometheus::Uri]`
@@ -9823,12 +9877,16 @@ Data type: `Prometheus::Uri`
 
 Base URL for the binary archive
 
+Default value: `'https://github.com/ncabatoff/process-exporter/releases'`
+
 ##### <a name="-prometheus--process_exporter--extra_groups"></a>`extra_groups`
 
 Data type: `Array`
 
 Extra groups to add the binary user to
 
+Default value: `[]`
+
 ##### <a name="-prometheus--process_exporter--extra_options"></a>`extra_options`
 
 Data type: `Optional[String[1]]`
@@ -9843,6 +9901,8 @@ Data type: `String[1]`
 
 Group under which the binary is running
 
+Default value: `'process-exporter'`
+
 ##### <a name="-prometheus--process_exporter--init_style"></a>`init_style`
 
 Data type: `Prometheus::Initstyle`
@@ -9897,12 +9957,16 @@ Data type: `String[1]`
 
 If package, then use this for package ensure default 'latest'
 
+Default value: `'latest'`
+
 ##### <a name="-prometheus--process_exporter--package_name"></a>`package_name`
 
 Data type: `String[1]`
 
 The binary package name - not available yet
 
+Default value: `'process-exporter'`
+
 ##### <a name="-prometheus--process_exporter--purge_config_dir"></a>`purge_config_dir`
 
 Data type: `Boolean`
@@ -9941,12 +10005,16 @@ Data type: `String[1]`
 
 Name of the process exporter service (default 'process-exporter')
 
+Default value: `'process-exporter'`
+
 ##### <a name="-prometheus--process_exporter--user"></a>`user`
 
 Data type: `String[1]`
 
 User which runs the service
 
+Default value: `'process-exporter'`
+
 ##### <a name="-prometheus--process_exporter--version"></a>`version`
 
 Data type: `String[1]`
@@ -9995,6 +10063,8 @@ Data type: `Stdlib::Absolutepath`
 
 
 
+Default value: `'/etc/process-exporter.yaml'`
+
 ##### <a name="-prometheus--process_exporter--config_mode"></a>`config_mode`
 
 Data type: `String[1]`
@@ -10395,6 +10465,8 @@ Data type: `String[1]`
 
 Extension for the release binary archive
 
+Default value: `'tar.gz'`
+
 ##### <a name="-prometheus--pushgateway--download_url"></a>`download_url`
 
 Data type: `Optional[String]`
@@ -10409,12 +10481,16 @@ Data type: `String[1]`
 
 Base URL for the binary archive
 
+Default value: `'https://github.com/prometheus/pushgateway/releases'`
+
 ##### <a name="-prometheus--pushgateway--extra_groups"></a>`extra_groups`
 
 Data type: `Array`
 
 Extra groups to add the binary user to
 
+Default value: `[]`
+
 ##### <a name="-prometheus--pushgateway--extra_options"></a>`extra_options`
 
 Data type: `Optional[String[1]]`
@@ -10429,6 +10505,8 @@ Data type: `String[1]`
 
 Group under which the binary is running
 
+Default value: `'pushgateway'`
+
 ##### <a name="-prometheus--pushgateway--init_style"></a>`init_style`
 
 Data type: `Prometheus::Initstyle`
@@ -10483,12 +10561,16 @@ Data type: `String[1]`
 
 If package, then use this for package ensure default 'latest'
 
+Default value: `'latest'`
+
 ##### <a name="-prometheus--pushgateway--package_name"></a>`package_name`
 
 Data type: `String[1]`
 
 The binary package name - not available yet
 
+Default value: `'pushgateway'`
+
 ##### <a name="-prometheus--pushgateway--restart_on_change"></a>`restart_on_change`
 
 Data type: `Boolean`
@@ -10527,6 +10609,8 @@ Data type: `String[1]`
 
 User which runs the service
 
+Default value: `'pushgateway'`
+
 ##### <a name="-prometheus--pushgateway--version"></a>`version`
 
 Data type: `String[1]`
@@ -12568,6 +12652,8 @@ Data type: `Stdlib::Absolutepath`
 
 Absolute path to configuration file
 
+Default value: `'/etc/snmp-exporter.yaml'`
+
 ##### <a name="-prometheus--snmp_exporter--config_mode"></a>`config_mode`
 
 Data type: `String[1]`
@@ -12578,16 +12664,20 @@ Default value: `$prometheus::config_mode`
 
 ##### <a name="-prometheus--snmp_exporter--config_template"></a>`config_template`
 
-Data type: `String`
+Data type: `String[0]`
 
 Configuration template to use. If empty, uses upstream config (default "")
 
+Default value: `''`
+
 ##### <a name="-prometheus--snmp_exporter--download_extension"></a>`download_extension`
 
-Data type: `String`
+Data type: `String[0]`
 
 Extension for the release binary archive
 
+Default value: `'tar.gz'`
+
 ##### <a name="-prometheus--snmp_exporter--download_url"></a>`download_url`
 
 Data type: `Optional[Prometheus::Uri]`
@@ -12602,12 +12692,16 @@ Data type: `Prometheus::Uri`
 
 Base URL for the binary archive
 
+Default value: `'https://github.com/prometheus/snmp_exporter/releases'`
+
 ##### <a name="-prometheus--snmp_exporter--extra_groups"></a>`extra_groups`
 
 Data type: `Array`
 
 Extra groups to add the binary user to
 
+Default value: `[]`
+
 ##### <a name="-prometheus--snmp_exporter--extra_options"></a>`extra_options`
 
 Data type: `Optional[String[1]]`
@@ -12622,6 +12716,8 @@ Data type: `String[1]`
 
 Group under which the binary is running
 
+Default value: `snmp-exporter`
+
 ##### <a name="-prometheus--snmp_exporter--init_style"></a>`init_style`
 
 Data type: `Prometheus::Initstyle`
@@ -12676,12 +12772,16 @@ Data type: `String[1]`
 
 If package, then use this for package ensure default 'latest'
 
+Default value: `'latest'`
+
 ##### <a name="-prometheus--snmp_exporter--package_name"></a>`package_name`
 
 Data type: `String[1]`
 
 The binary package name - not available yet
 
+Default value: `'snmp_exporter'`
+
 ##### <a name="-prometheus--snmp_exporter--purge_config_dir"></a>`purge_config_dir`
 
 Data type: `Boolean`
@@ -12720,12 +12820,16 @@ Data type: `String[1]`
 
 Name of the snmp exporter service (default 'snmp_exporter')
 
+Default value: `'snmp_exporter'`
+
 ##### <a name="-prometheus--snmp_exporter--user"></a>`user`
 
 Data type: `String[1]`
 
 User which runs the service
 
+Default value: `'snmp-exporter'`
+
 ##### <a name="-prometheus--snmp_exporter--version"></a>`version`
 
 Data type: `String[1]`
@@ -13492,6 +13596,8 @@ Data type: `String`
 
 Extension for the release binary archive
 
+Default value: `'tar.gz'`
+
 ##### <a name="-prometheus--statsd_exporter--download_url"></a>`download_url`
 
 Data type: `Optional[Prometheus::Uri]`
@@ -13506,12 +13612,16 @@ Data type: `Prometheus::Uri`
 
 Base URL for the binary archive
 
+Default value: `'https://github.com/prometheus/statsd_exporter/releases'`
+
 ##### <a name="-prometheus--statsd_exporter--extra_groups"></a>`extra_groups`
 
 Data type: `Array`
 
 Extra groups to add the binary user to
 
+Default value: `[]`
+
 ##### <a name="-prometheus--statsd_exporter--extra_options"></a>`extra_options`
 
 Data type: `Optional[String[1]]`
@@ -13526,6 +13636,8 @@ Data type: `String[1]`
 
 Group under which the binary is running
 
+Default value: `'statsd-exporter'`
+
 ##### <a name="-prometheus--statsd_exporter--init_style"></a>`init_style`
 
 Data type: `Prometheus::Initstyle`
@@ -13580,12 +13692,16 @@ Data type: `String[1]`
 
 If package, then use this for package ensure default 'latest'
 
+Default value: `'latest'`
+
 ##### <a name="-prometheus--statsd_exporter--package_name"></a>`package_name`
 
 Data type: `String[1]`
 
 The binary package name - not available yet
 
+Default value: `'statsd_exporter'`
+
 ##### <a name="-prometheus--statsd_exporter--purge_config_dir"></a>`purge_config_dir`
 
 Data type: `Boolean`
@@ -13624,6 +13740,8 @@ Data type: `String[1]`
 
 Name of the statsd exporter service (default 'statsd_exporter')
 
+Default value: `'statsd_exporter'`
+
 ##### <a name="-prometheus--statsd_exporter--mappings"></a>`mappings`
 
 Data type: `Array[Hash]`
@@ -13635,12 +13753,16 @@ The hiera array for mappings:
       processor: '$2'
       action: '$1'
 
+Default value: `[]`
+
 ##### <a name="-prometheus--statsd_exporter--user"></a>`user`
 
 Data type: `String[1]`
 
 User which runs the service
 
+Default value: `'statsd-exporter'`
+
 ##### <a name="-prometheus--statsd_exporter--version"></a>`version`
 
 Data type: `String[1]`
@@ -13671,6 +13793,8 @@ Data type: `Stdlib::Absolutepath`
 
 
 
+Default value: `'/etc/statsd-exporter-mapping.yaml'`
+
 ##### <a name="-prometheus--statsd_exporter--export_scrape_job"></a>`export_scrape_job`
 
 Data type: `Boolean`
diff --git a/data/defaults.yaml b/data/defaults.yaml
index 524bfd52..8fa9f1e2 100644
--- a/data/defaults.yaml
+++ b/data/defaults.yaml
@@ -107,22 +107,6 @@ prometheus::nginx_vts_exporter::package_ensure: 'latest'
 prometheus::nginx_vts_exporter::package_name: 'nginx-vts-exporter'
 prometheus::nginx_vts_exporter::service_name: 'nginx-vts-exporter'
 prometheus::nginx_vts_exporter::user: 'nginx-vts-exporter'
-prometheus::process_exporter::download_extension: 'tar.gz'
-prometheus::process_exporter::download_url_base: 'https://github.com/ncabatoff/process-exporter/releases'
-prometheus::process_exporter::extra_groups: []
-prometheus::process_exporter::group: 'process-exporter'
-prometheus::process_exporter::package_ensure: 'latest'
-prometheus::process_exporter::package_name: 'process-exporter'
-prometheus::process_exporter::service_name: 'process-exporter'
-prometheus::process_exporter::user: 'process-exporter'
-prometheus::process_exporter::config_path: '/etc/process-exporter.yaml'
-prometheus::pushgateway::download_extension: 'tar.gz'
-prometheus::pushgateway::download_url_base: 'https://github.com/prometheus/pushgateway/releases'
-prometheus::pushgateway::extra_groups: []
-prometheus::pushgateway::group: 'pushgateway'
-prometheus::pushgateway::package_ensure: 'latest'
-prometheus::pushgateway::package_name: 'pushgateway'
-prometheus::pushgateway::user: 'pushgateway'
 prometheus::rabbitmq_exporter::download_extension: 'tar.gz'
 prometheus::rabbitmq_exporter::download_url_base: 'https://github.com/kbudde/rabbitmq_exporter/releases'
 prometheus::rabbitmq_exporter::extra_groups: []
@@ -142,49 +126,3 @@ prometheus::rabbitmq_exporter::rabbit_exporters:
   - 'node'
   - 'overview'
   - 'queue'
-prometheus::mysqld_exporter::download_extension: 'tar.gz'
-prometheus::mysqld_exporter::download_url_base: 'https://github.com/prometheus/mysqld_exporter/releases'
-prometheus::mysqld_exporter::extra_groups: []
-prometheus::mysqld_exporter::group: 'mysqld-exporter'
-prometheus::mysqld_exporter::package_ensure: 'latest'
-prometheus::mysqld_exporter::package_name: 'mysqld_exporter'
-prometheus::mysqld_exporter::user: 'mysqld-exporter'
-prometheus::node_exporter::download_extension: 'tar.gz'
-prometheus::node_exporter::download_url_base: 'https://github.com/prometheus/node_exporter/releases'
-prometheus::node_exporter::extra_groups: []
-prometheus::node_exporter::group: 'node-exporter'
-prometheus::node_exporter::package_ensure: 'latest'
-prometheus::node_exporter::package_name: 'node_exporter'
-prometheus::node_exporter::user: 'node-exporter'
-prometheus::beanstalkd_exporter::exporter_listen: ':9371'
-prometheus::beanstalkd_exporter::beanstalkd_address: '127.0.0.1:11300'
-prometheus::beanstalkd_exporter::download_extension: ''
-prometheus::beanstalkd_exporter::download_url_base: 'https://github.com/messagebird/beanstalkd_exporter/releases'
-prometheus::beanstalkd_exporter::extra_groups: []
-prometheus::beanstalkd_exporter::group: 'beanstalkd-exporter'
-prometheus::beanstalkd_exporter::package_ensure: 'latest'
-prometheus::beanstalkd_exporter::package_name: 'beanstalkd_exporter'
-prometheus::beanstalkd_exporter::service_name: 'beanstalkd_exporter'
-prometheus::beanstalkd_exporter::user: 'beanstalkd-exporter'
-prometheus::beanstalkd_exporter::mapping_config: '/etc/beanstalkd-exporter-mapping.conf'
-prometheus::beanstalkd_exporter::config: '/etc/beanstalkd-exporter.conf'
-prometheus::snmp_exporter::config_file: '/etc/snmp-exporter.yaml'
-prometheus::snmp_exporter::config_template: ''
-prometheus::snmp_exporter::download_extension: 'tar.gz'
-prometheus::snmp_exporter::download_url_base: 'https://github.com/prometheus/snmp_exporter/releases'
-prometheus::snmp_exporter::extra_groups: []
-prometheus::snmp_exporter::group: 'snmp-exporter'
-prometheus::snmp_exporter::package_ensure: 'latest'
-prometheus::snmp_exporter::package_name: 'snmp_exporter'
-prometheus::snmp_exporter::service_name: 'snmp_exporter'
-prometheus::snmp_exporter::user: 'snmp-exporter'
-prometheus::statsd_exporter::download_extension: 'tar.gz'
-prometheus::statsd_exporter::download_url_base: 'https://github.com/prometheus/statsd_exporter/releases'
-prometheus::statsd_exporter::extra_groups: []
-prometheus::statsd_exporter::group: 'statsd-exporter'
-prometheus::statsd_exporter::mapping_config_path: '/etc/statsd-exporter-mapping.yaml'
-prometheus::statsd_exporter::mappings: []
-prometheus::statsd_exporter::package_ensure: 'latest'
-prometheus::statsd_exporter::package_name: 'statsd_exporter'
-prometheus::statsd_exporter::service_name: 'statsd_exporter'
-prometheus::statsd_exporter::user: 'statsd-exporter'
diff --git a/manifests/beanstalkd_exporter.pp b/manifests/beanstalkd_exporter.pp
index fa234584..2e4d5634 100644
--- a/manifests/beanstalkd_exporter.pp
+++ b/manifests/beanstalkd_exporter.pp
@@ -58,18 +58,18 @@
 # @param proxy_type
 #  Optional proxy server type (none|http|https|ftp)
 class prometheus::beanstalkd_exporter (
-  String $download_extension,
-  Prometheus::Uri $download_url_base,
-  Array $extra_groups,
-  String[1] $group,
-  String[1] $package_ensure,
-  String[1] $package_name,
-  String[1] $service_name,
-  String[1] $user,
-  String[1] $config,
-  String[1] $mapping_config,
-  String[1] $beanstalkd_address,
-  String[1] $exporter_listen,
+  String[0] $download_extension = '', # lint:ignore:params_empty_string_assignment
+  Prometheus::Uri $download_url_base = 'https://github.com/messagebird/beanstalkd_exporter/releases',
+  Array $extra_groups = [],
+  String[1] $group = 'beanstalkd-exporter',
+  String[1] $package_ensure = 'latest',
+  String[1] $package_name = 'beanstalkd_exporter',
+  String[1] $service_name = 'beanstalkd_exporter',
+  String[1] $user = 'beanstalkd-exporter',
+  Stdlib::Absolutepath $config = '/etc/beanstalkd-exporter.conf',
+  Stdlib::Absolutepath $mapping_config = '/etc/beanstalkd-exporter-mapping.conf',
+  String[1] $beanstalkd_address = '127.0.0.1:11300',
+  String[1] $exporter_listen = ':9371',
   # renovate: depName=messagebird/beanstalkd_exporter
   String[1] $version                                         = '1.0.5',
   Boolean $purge_config_dir                                  = true,
diff --git a/manifests/mysqld_exporter.pp b/manifests/mysqld_exporter.pp
index f533cded..afe64f2a 100644
--- a/manifests/mysqld_exporter.pp
+++ b/manifests/mysqld_exporter.pp
@@ -75,13 +75,13 @@
 # @param cnf_ssl_key
 #  The path name of the client SSL private key file in PEM format.
 class prometheus::mysqld_exporter (
-  String $download_extension,
-  Prometheus::Uri $download_url_base,
-  Array $extra_groups,
-  String[1] $group,
-  String[1] $package_ensure,
-  String[1] $package_name,
-  String[1] $user,
+  String $download_extension = 'tar.gz',
+  Prometheus::Uri $download_url_base = 'https://github.com/prometheus/mysqld_exporter/releases',
+  Array $extra_groups = [],
+  String[1] $group = 'mysqld-exporter',
+  String[1] $package_ensure = 'latest',
+  String[1] $package_name = 'mysqld_exporter',
+  String[1] $user = 'mysqld-exporter',
   # renovate: depName=prometheus/mysqld_exporter
   String[1] $version                                         = '0.15.1',
   String[1] $service_name = 'mysqld_exporter',
diff --git a/manifests/node_exporter.pp b/manifests/node_exporter.pp
index 755763ea..fbb5ce1b 100644
--- a/manifests/node_exporter.pp
+++ b/manifests/node_exporter.pp
@@ -70,13 +70,13 @@
 #  Scrape port for configuring scrape targets on the prometheus server via exported `prometheus::scrape_job` resources
 #  If changed from default 9100 the option `--web.listen-address=':${scrape_port}'` will be added to the command line arguments
 class prometheus::node_exporter (
-  String $download_extension,
-  Prometheus::Uri $download_url_base,
-  Array[String] $extra_groups,
-  String[1] $group,
-  String[1] $package_ensure,
-  String[1] $package_name,
-  String[1] $user,
+  String $download_extension = 'tar.gz',
+  Prometheus::Uri $download_url_base = 'https://github.com/prometheus/node_exporter/releases',
+  Array[String] $extra_groups = [],
+  String[1] $group = 'node-exporter',
+  String[1] $package_ensure = 'latest',
+  String[1] $package_name = 'node_exporter',
+  String[1] $user = 'node-exporter',
   # renovate: depName=prometheus/node_exporter
   String[1] $version                                         = '1.8.1',
   Boolean $purge_config_dir                                  = true,
diff --git a/manifests/process_exporter.pp b/manifests/process_exporter.pp
index c36ac9ca..205db33a 100644
--- a/manifests/process_exporter.pp
+++ b/manifests/process_exporter.pp
@@ -75,15 +75,15 @@
 #     ]
 #   }
 class prometheus::process_exporter (
-  String $download_extension,
-  Prometheus::Uri $download_url_base,
-  Array $extra_groups,
-  String[1] $group,
-  String[1] $package_ensure,
-  String[1] $package_name,
-  String[1] $service_name,
-  String[1] $user,
-  Stdlib::Absolutepath $config_path,
+  String $download_extension = 'tar.gz',
+  Prometheus::Uri $download_url_base = 'https://github.com/ncabatoff/process-exporter/releases',
+  Array $extra_groups = [],
+  String[1] $group = 'process-exporter',
+  String[1] $package_ensure = 'latest',
+  String[1] $package_name = 'process-exporter',
+  String[1] $service_name = 'process-exporter',
+  String[1] $user = 'process-exporter',
+  Stdlib::Absolutepath $config_path = '/etc/process-exporter.yaml',
   # renovate: depName=ncabatoff/process-exporter
   String[1] $version                                         = '0.8.2',
   Array $watched_processes                                   = [],
diff --git a/manifests/pushgateway.pp b/manifests/pushgateway.pp
index 3e76a60d..3c4a5492 100644
--- a/manifests/pushgateway.pp
+++ b/manifests/pushgateway.pp
@@ -48,13 +48,13 @@
 # @param proxy_type
 #  Optional proxy server type (none|http|https|ftp)
 class prometheus::pushgateway (
-  String[1] $download_extension,
-  String[1] $download_url_base,
-  Array $extra_groups,
-  String[1] $group,
-  String[1] $package_ensure,
-  String[1] $package_name,
-  String[1] $user,
+  String[1] $download_extension = 'tar.gz',
+  String[1] $download_url_base = 'https://github.com/prometheus/pushgateway/releases',
+  Array $extra_groups = [],
+  String[1] $group = 'pushgateway',
+  String[1] $package_ensure = 'latest',
+  String[1] $package_name = 'pushgateway',
+  String[1] $user = 'pushgateway',
   # renovate: depName=prometheus/pushgateway
   String[1] $version                                         = '1.9.0',
   Boolean $restart_on_change                                 = true,
diff --git a/manifests/snmp_exporter.pp b/manifests/snmp_exporter.pp
index 626b18fc..477c2e94 100644
--- a/manifests/snmp_exporter.pp
+++ b/manifests/snmp_exporter.pp
@@ -56,16 +56,16 @@
 # @param proxy_type
 #  Optional proxy server type (none|http|https|ftp)
 class prometheus::snmp_exporter (
-  Stdlib::Absolutepath $config_file,
-  String $config_template,
-  String $download_extension,
-  Prometheus::Uri $download_url_base,
-  Array $extra_groups,
-  String[1] $group,
-  String[1] $package_ensure,
-  String[1] $package_name,
-  String[1] $service_name,
-  String[1] $user,
+  Stdlib::Absolutepath $config_file = '/etc/snmp-exporter.yaml',
+  String[0] $config_template = '', # lint:ignore:params_empty_string_assignment
+  String[0] $download_extension = 'tar.gz',
+  Prometheus::Uri $download_url_base = 'https://github.com/prometheus/snmp_exporter/releases',
+  Array $extra_groups = [],
+  String[1] $group = snmp-exporter,
+  String[1] $package_ensure = 'latest',
+  String[1] $package_name = 'snmp_exporter',
+  String[1] $service_name = 'snmp_exporter',
+  String[1] $user = 'snmp-exporter',
   # renovate: depName=prometheus/snmp_exporter
   String[1] $version                                         = '0.26.0',
   Boolean $purge_config_dir                                  = true,
diff --git a/manifests/statsd_exporter.pp b/manifests/statsd_exporter.pp
index 455c5206..e701646e 100644
--- a/manifests/statsd_exporter.pp
+++ b/manifests/statsd_exporter.pp
@@ -59,16 +59,16 @@
 # @param proxy_type
 #  Optional proxy server type (none|http|https|ftp)
 class prometheus::statsd_exporter (
-  String $download_extension,
-  Prometheus::Uri $download_url_base,
-  Array $extra_groups,
-  String[1] $group,
-  Stdlib::Absolutepath $mapping_config_path,
-  String[1] $package_ensure,
-  String[1] $package_name,
-  String[1] $service_name,
-  Array[Hash] $mappings,
-  String[1] $user,
+  String $download_extension = 'tar.gz',
+  Prometheus::Uri $download_url_base = 'https://github.com/prometheus/statsd_exporter/releases',
+  Array $extra_groups = [],
+  String[1] $group = 'statsd-exporter',
+  Stdlib::Absolutepath $mapping_config_path = '/etc/statsd-exporter-mapping.yaml',
+  String[1] $package_ensure = 'latest',
+  String[1] $package_name = 'statsd_exporter',
+  String[1] $service_name = 'statsd_exporter',
+  Array[Hash] $mappings = [],
+  String[1] $user = 'statsd-exporter',
   # renovate: depName=prometheus/statsd_exporter
   String[1] $version                                         = '0.26.1',
   String[1] $arch                                            = $prometheus::real_arch,