feat: add a noop deploy interface patch

components/ironic/values.yaml

@@ -51,7 +51,7 @@ conf:
       default_deploy_interface: direct
       enabled_bios_interfaces: no-bios,redfish,idrac-redfish,ilo
       enabled_boot_interfaces: http-ipxe,ipxe,redfish-virtual-media,redfish-https,idrac-redfish-virtual-media,ilo-virtual-media,ilo-uefi-https,ilo-ipxe
-      enabled_deploy_interfaces: direct,ramdisk
+      enabled_deploy_interfaces: direct,ramdisk,noop
       enabled_firmware_interfaces: redfish,no-firmware
       enabled_hardware_types: redfish,idrac,ilo5,ilo
       enabled_inspect_interfaces: redfish,agent,idrac-redfish,ilo

components/openstack/memcached-values.yaml

@@ -6,6 +6,15 @@ commonAnnotations:
 
 metrics:
   enabled: true
+  image:
+    repository: bitnamilegacy/memcached-exporter
+
+global:
+  security:
+    allowInsecureImages: true
+
+image:
+  repository: bitnamilegacy/memcached
 
 # (nicholas.kuechler) The default memcached presents are 'nano' size which
 # are a bit too small for OpenStack usage and generates 'CPUThrottlingHigh'

python/ironic-understack/ironic_understack/noop_deploy.py

@@ -0,0 +1,82 @@
+from ironic.common import states
+from ironic.drivers import base
+
+
+class NoDeploy(base.DeployInterface):
+    """Deploy interface that does nothing and succeeds.
+
+    This interface allows Ironic to manage bare metal nodes for inventory,
+    lifecycle tracking, and resource management without performing actual OS
+    deployment operations.
+
+    All methods succeed immediately without performing actual operations.
+    Node state transitions occur as expected by Ironic's state machine.
+    """
+
+    def get_properties(self):
+        """Return the properties of the interface.
+
+        Returns:
+            dict: Empty dictionary as no configuration is required.
+        """
+        return {}
+
+    def validate(self, task):
+        """Validate the driver-specific Node deployment info.
+
+        This method intentionally accepts any node configuration for noop deploy.
+
+        Args:
+            task: A TaskManager instance containing the node to act on.
+        """
+        pass
+
+    @base.deploy_step(priority=100)
+    def deploy(self, task):
+        """Perform a deployment to a node.
+
+        This method returns None to indicate synchronous success without
+        performing any actual deployment operations.
+
+        Args:
+            task: A TaskManager instance containing the node to act on.
+
+        Returns:
+            None: Indicates synchronous completion.
+        """
+        return None
+
+    def tear_down(self, task):
+        """Tear down a previous deployment on the task's node.
+
+        Args:
+            task: A TaskManager instance containing the node to act on.
+
+        Returns:
+            states.DELETED: Indicates the node is torn down.
+        """
+        return states.DELETED
+
+    def prepare(self, task):
+        """Prepare the deployment environment for the task's node.
+
+        Args:
+            task: A TaskManager instance containing the node to act on.
+        """
+        pass
+
+    def clean_up(self, task):
+        """Clean up the deployment environment for the task's node.
+
+        Args:
+            task: A TaskManager instance containing the node to act on.
+        """
+        pass
+
+    def take_over(self, task):
+        """Take over management of this task's node from a dead conductor.
+
+        Args:
+            task: A TaskManager instance containing the node to act on.
+        """
+        pass

python/ironic-understack/pyproject.toml

@@ -23,6 +23,9 @@ resource-class = "ironic_understack.resource_class:ResourceClassHook"
 redfish-understack = "ironic_understack.redfish_inspect_understack:UnderstackRedfishInspect"
 idrac-redfish-understack = "ironic_understack.redfish_inspect_understack:UnderstackDracRedfishInspect"
 
+[project.entry-points."ironic.hardware.interfaces.deploy"]
+noop = "ironic_understack.noop_deploy:NoDeploy"
+
 [dependency-groups]
 test = [
     "pytest>=8.3.2,<9",