diff --git a/README.rst b/README.rst
index 44c8b67..d37b93f 100644
--- a/README.rst
+++ b/README.rst
@@ -193,3 +193,32 @@
             enabled: true
             strategy: ENCRYPT
             secret_key: secret
+
+Change default options using configmap template settings
+========================================================
+
+.. code-block:: yaml
+
+  ironic:
+    api:
+      configmap:
+        DEFAULT:
+          enabled_drivers: pxe_ipmitool
+          enabled_hardware_types: ipmi
+          enabled_boot_interfaces: pxe
+        api:
+          host_ip: 0.0.0.0
+          port: 6385
+          max_limit: 1000
+    conductor:
+      configmap:
+        DEFAULT:
+          enabled_drivers: pxe_ipmitool
+          enabled_hardware_types: ipmi
+          enabled_boot_interfaces: pxe
+        disk_partitioner:
+          check_device_interval: 1
+          check_device_max_retries: 20
+        disk_utils:
+          efi_system_partition_size: 200
+          bios_boot_partition_size: 1
diff --git a/ironic/files/ocata/ironic.conf b/ironic/files/ocata/ironic.conf
index 0c030bd..55a6c2d 100644
--- a/ironic/files/ocata/ironic.conf
+++ b/ironic/files/ocata/ironic.conf
@@ -4064,3 +4064,8 @@
 # Username (string value)
 # Deprecated group/name - [swift]/user-name
 #username = <None>
+
+{%- if ironic.configmap is defined %}
+{%- set _data = ironic.configmap %}
+{%- include "oslo_templates/files/configmap/configmap.conf" %}
+{%- endif %}
diff --git a/ironic/files/pike/ironic.conf b/ironic/files/pike/ironic.conf
index 5350c1a..7f168bd 100644
--- a/ironic/files/pike/ironic.conf
+++ b/ironic/files/pike/ironic.conf
@@ -4243,3 +4243,8 @@
 # Username (string value)
 # Deprecated group/name - [swift]/user-name
 #username = <None>
+
+{%- if ironic.configmap is defined %}
+{%- set _data = ironic.configmap %}
+{%- include "oslo_templates/files/configmap/configmap.conf" %}
+{%- endif %}
diff --git a/ironic/files/queens/ironic.conf b/ironic/files/queens/ironic.conf
index 668e9c1..384ae83 100644
--- a/ironic/files/queens/ironic.conf
+++ b/ironic/files/queens/ironic.conf
@@ -2542,3 +2542,8 @@
 # Maximum number of times to retry a Swift request, before
 # failing. (integer value)
 #swift_max_retries = 2
+
+{%- if ironic.configmap is defined %}
+{%- set _data = ironic.configmap %}
+{%- include "oslo_templates/files/configmap/configmap.conf" %}
+{%- endif %}
diff --git a/tests/pillar/api_single.sls b/tests/pillar/api_single.sls
index 72800fe..365a526 100644
--- a/tests/pillar/api_single.sls
+++ b/tests/pillar/api_single.sls
@@ -32,3 +32,12 @@
         enabled: true
         strategy: ENCRYPT
         secret_key: secret
+    configmap:
+      DEFAULT:
+        enabled_drivers: pxe_ipmitool
+        enabled_hardware_types: ipmi
+        enabled_boot_interfaces: pxe
+      api:
+        host_ip: 0.0.0.0
+        port: 6385
+        max_limit: 1000
diff --git a/tests/pillar/conductor_single.sls b/tests/pillar/conductor_single.sls
index 616e456..155695a 100644
--- a/tests/pillar/conductor_single.sls
+++ b/tests/pillar/conductor_single.sls
@@ -20,6 +20,17 @@
     identity:
       engine: 'noauth'
     http_root: '/var/www/httproot'
+    configmap:
+      DEFAULT:
+        enabled_drivers: pxe_ipmitool
+        enabled_hardware_types: ipmi
+        enabled_boot_interfaces: pxe
+      disk_partitioner:
+        check_device_interval: 1
+        check_device_max_retries: 20
+      disk_utils:
+        efi_system_partition_size: 200
+        bios_boot_partition_size: 1
   tftpd_hpa:
     server:
       bind: