diff --git a/manifests/conductor.pp b/manifests/conductor.pp
index 3acbc031..05c27c53 100644
--- a/manifests/conductor.pp
+++ b/manifests/conductor.pp
@@ -215,7 +215,7 @@ class ironic::conductor (
   $enabled_hardware_types              = $facts['os_service_default'],
   $force_power_state_during_sync       = $facts['os_service_default'],
   $http_url                            = $facts['os_service_default'],
-  $http_root                           = '/httpboot',
+  Stdlib::Absolutepath $http_root      = '/httpboot',
   $force_raw_images                    = $facts['os_service_default'],
   $automated_clean                     = $facts['os_service_default'],
   $cleaning_network                    = $facts['os_service_default'],
diff --git a/manifests/drivers/pxe.pp b/manifests/drivers/pxe.pp
index e9f5dabc..876db794 100644
--- a/manifests/drivers/pxe.pp
+++ b/manifests/drivers/pxe.pp
@@ -140,7 +140,7 @@ class ironic::drivers::pxe (
   $ipxe_bootfile_name                = $facts['os_service_default'],
   $ipxe_config_template              = $facts['os_service_default'],
   $tftp_server                       = $facts['os_service_default'],
-  $tftp_root                         = '/tftpboot',
+  Stdlib::Absolutepath $tftp_root    = '/tftpboot',
   $images_path                       = $facts['os_service_default'],
   $tftp_master_path                  = $facts['os_service_default'],
   $instance_master_path              = $facts['os_service_default'],
diff --git a/manifests/inspector.pp b/manifests/inspector.pp
index 8fea1e7f..c1b5b515 100644
--- a/manifests/inspector.pp
+++ b/manifests/inspector.pp
@@ -344,8 +344,8 @@ class ironic::inspector (
   Integer[0] $ipxe_timeout                    = 0,
   $http_port                                  = '8088',
   $detect_boot_mode                           = $facts['os_service_default'],
-  $tftp_root                                  = '/tftpboot',
-  $http_root                                  = '/httpboot',
+  Stdlib::Absolutepath $tftp_root             = '/tftpboot',
+  Stdlib::Absolutepath $http_root             = '/httpboot',
   $node_not_found_hook                        = $facts['os_service_default'],
   $discovery_default_driver                   = $facts['os_service_default'],
   Boolean $enable_ppc64le                     = false,
diff --git a/manifests/pxe.pp b/manifests/pxe.pp
index fc0adb99..81ec1fe1 100644
--- a/manifests/pxe.pp
+++ b/manifests/pxe.pp
@@ -104,25 +104,25 @@
 #   Defaults to {}
 #
 class ironic::pxe (
-  $package_ensure                    = 'present',
-  Boolean $manage_service            = true,
-  Boolean $enabled                   = true,
-  $tftp_root                         = '/tftpboot',
-  $http_root                         = '/httpboot',
-  $http_port                         = 8088,
-  $pxelinux_path                     = $::ironic::params::pxelinux_path,
-  $syslinux_path                     = $::ironic::params::syslinux_path,
-  $syslinux_files                    = $::ironic::params::syslinux_files,
-  $tftp_bind_host                    = undef,
-  String[1] $ipxe_name_base          = $::ironic::params::ipxe_name_base,
-  String[1] $uefi_ipxe_bootfile_name = $::ironic::params::uefi_ipxe_bootfile_name,
-  String[1] $uefi_pxe_bootfile_name  = $::ironic::params::uefi_pxe_bootfile_name,
-  Boolean $tftp_use_xinetd           = $::ironic::params::xinetd_available,
-  $dnsmasq_log_facility              = undef,
-  Boolean $manage_http_server        = true,
-  $vhost_priority                    = 10,
-  Array[String] $vhost_options       = ['-Indexes', '+FollowSymLinks'],
-  Hash $vhost_config                 = {},
+  $package_ensure                                                 = 'present',
+  Boolean $manage_service                                         = true,
+  Boolean $enabled                                                = true,
+  Stdlib::Absolutepath $tftp_root                                 = '/tftpboot',
+  Stdlib::Absolutepath $http_root                                 = '/httpboot',
+  $http_port                                                      = 8088,
+  Optional[Variant[Stdlib::Absolutepath, Boolean]] $pxelinux_path = $::ironic::params::pxelinux_path,
+  Optional[Variant[Stdlib::Absolutepath, Boolean]] $syslinux_path = $::ironic::params::syslinux_path,
+  Optional[Array[String[1]]] $syslinux_files                      = $::ironic::params::syslinux_files,
+  $tftp_bind_host                                                 = undef,
+  String[1] $ipxe_name_base                                       = $::ironic::params::ipxe_name_base,
+  String[1] $uefi_ipxe_bootfile_name                              = $::ironic::params::uefi_ipxe_bootfile_name,
+  String[1] $uefi_pxe_bootfile_name                               = $::ironic::params::uefi_pxe_bootfile_name,
+  Boolean $tftp_use_xinetd                                        = $::ironic::params::xinetd_available,
+  $dnsmasq_log_facility                                           = undef,
+  Boolean $manage_http_server                                     = true,
+  $vhost_priority                                                 = 10,
+  Array[String] $vhost_options                                    = ['-Indexes', '+FollowSymLinks'],
+  Hash $vhost_config                                              = {},
 ) inherits ironic::params {
 
   include ironic::deps
diff --git a/manifests/pxe/common.pp b/manifests/pxe/common.pp
index ab72b0dc..9178ff6f 100644
--- a/manifests/pxe/common.pp
+++ b/manifests/pxe/common.pp
@@ -46,8 +46,8 @@
 #   Defaults to undef.
 #
 class ironic::pxe::common (
-  $tftp_root                                   = undef,
-  $http_root                                   = undef,
+  Optional[Stdlib::Absolutepath] $tftp_root    = undef,
+  Optional[Stdlib::Absolutepath] $http_root    = undef,
   $http_port                                   = undef,
   Optional[Integer[0]] $ipxe_timeout           = undef,
   Optional[String[1]] $uefi_ipxe_bootfile_name = undef,