diff --git a/manifests/scheduler.pp b/manifests/scheduler.pp
index 61fe91558..a7f0d4758 100644
--- a/manifests/scheduler.pp
+++ b/manifests/scheduler.pp
@@ -20,11 +20,17 @@
 #   (optional) Default driver to use for the scheduler
 #   Defaults to 'filter_scheduler'
 #
+# [*discover_hosts_in_cells_interval*]
+#   (optional) This value controls how often (in seconds) the scheduler should
+#   attept to discover new hosts that have been added to cells.
+#   Defaults to $::os_service_default
+#
 class nova::scheduler(
-  $enabled          = true,
-  $manage_service   = true,
-  $ensure_package   = 'present',
-  $scheduler_driver = 'filter_scheduler',
+  $enabled                          = true,
+  $manage_service                   = true,
+  $ensure_package                   = 'present',
+  $scheduler_driver                 = 'filter_scheduler',
+  $discover_hosts_in_cells_interval = $::os_service_default,
 ) {
 
   include ::nova::deps
@@ -40,7 +46,8 @@ class nova::scheduler(
   }
 
   nova_config {
-    'scheduler/driver': value => $scheduler_driver;
+    'scheduler/driver':                           value => $scheduler_driver;
+    'scheduler/discover_hosts_in_cells_interval': value => $discover_hosts_in_cells_interval;
   }
 
   # TODO(aschultz): old options, remove in P
diff --git a/releasenotes/notes/discover_hosts_in_cells_interval-fcee1903fdaa4684.yaml b/releasenotes/notes/discover_hosts_in_cells_interval-fcee1903fdaa4684.yaml
new file mode 100644
index 000000000..40b17b934
--- /dev/null
+++ b/releasenotes/notes/discover_hosts_in_cells_interval-fcee1903fdaa4684.yaml
@@ -0,0 +1,6 @@
+---
+features:
+  - |
+    Expose the ``discover_hosts_in_cells_interval`` option in the scheduler
+    manifest. Changing this option is needed for bare metal clouds starting
+    with the Ocata release.
diff --git a/spec/classes/nova_scheduler_spec.rb b/spec/classes/nova_scheduler_spec.rb
index da87c2a74..812d2cbdb 100644
--- a/spec/classes/nova_scheduler_spec.rb
+++ b/spec/classes/nova_scheduler_spec.rb
@@ -22,6 +22,7 @@ describe 'nova::scheduler' do
 
     it { is_expected.to contain_nova_config('DEFAULT/scheduler_driver').with_ensure('absent') }
     it { is_expected.to contain_nova_config('scheduler/driver').with_value('filter_scheduler') }
+    it { is_expected.to contain_nova_config('scheduler/discover_hosts_in_cells_interval').with_value('<SERVICE DEFAULT>') }
 
     context 'with manage_service as false' do
       let :params do
@@ -50,6 +51,14 @@ describe 'nova::scheduler' do
       it { is_expected.to contain_nova_config('scheduler/driver').with_value('custom driver') }
     end
 
+    context 'with discover_hosts_in_cells_interval' do
+      let :params do
+        { :discover_hosts_in_cells_interval => 15 }
+      end
+
+      it { is_expected.to contain_nova_config('scheduler/discover_hosts_in_cells_interval').with_value(15) }
+    end
+
     context 'with default database parameters' do
       let :pre_condition do
         "include nova"