From 03bd99f01da423a7f3de790efc432c02f70be269 Mon Sep 17 00:00:00 2001
From: Razvan-Daniel Mihai <84674+razvan@users.noreply.github.com>
Date: Fri, 28 Mar 2025 11:27:54 +0200
Subject: [PATCH 1/2] feat: add support for Deployments

---
 crates/stackable-operator/CHANGELOG.md        |  6 +++++
 .../src/cluster_resources.rs                  | 27 ++++++++++++++++++-
 2 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/crates/stackable-operator/CHANGELOG.md b/crates/stackable-operator/CHANGELOG.md
index bfc1d698d..509982c37 100644
--- a/crates/stackable-operator/CHANGELOG.md
+++ b/crates/stackable-operator/CHANGELOG.md
@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 
 ## [Unreleased]
 
+### Added
+
+- Make Deployments to ClusterResources ([#992]).
+
+[#992]: https://github.com/stackabletech/operator-rs/pull/992
+
 ## [0.87.5] - 2025-03-19
 
 ### Fixed
diff --git a/crates/stackable-operator/src/cluster_resources.rs b/crates/stackable-operator/src/cluster_resources.rs
index dd4fad75c..03dc2d9da 100644
--- a/crates/stackable-operator/src/cluster_resources.rs
+++ b/crates/stackable-operator/src/cluster_resources.rs
@@ -7,7 +7,9 @@ use std::{
 
 use k8s_openapi::{
     api::{
-        apps::v1::{DaemonSet, DaemonSetSpec, StatefulSet, StatefulSetSpec},
+        apps::v1::{
+            DaemonSet, DaemonSetSpec, Deployment, DeploymentSpec, StatefulSet, StatefulSetSpec,
+        },
         batch::v1::Job,
         core::v1::{
             ConfigMap, ObjectReference, PodSpec, PodTemplateSpec, Secret, Service, ServiceAccount,
@@ -279,6 +281,29 @@ impl ClusterResource for DaemonSet {
     }
 }
 
+impl ClusterResource for Deployment {
+    fn maybe_mutate(self, strategy: &ClusterResourceApplyStrategy) -> Self {
+        match strategy {
+            ClusterResourceApplyStrategy::ClusterStopped => Deployment {
+                spec: Some(DeploymentSpec {
+                    replicas: Some(0),
+                    ..self.spec.unwrap_or_default()
+                }),
+                ..self
+            },
+            ClusterResourceApplyStrategy::Default
+            | ClusterResourceApplyStrategy::ReconciliationPaused
+            | ClusterResourceApplyStrategy::NoApply => self,
+        }
+    }
+
+    fn pod_spec(&self) -> Option<&PodSpec> {
+        self.spec
+            .as_ref()
+            .and_then(|spec| spec.template.spec.as_ref())
+    }
+}
+
 /// A structure containing the cluster resources.
 ///
 /// Cluster resources can be added and orphaned resources are deleted. A cluster resource becomes

From 768e21b8535f10f16532e1e5b2e4ba8996d8bd7e Mon Sep 17 00:00:00 2001
From: Razvan-Daniel Mihai <84674+razvan@users.noreply.github.com>
Date: Fri, 28 Mar 2025 11:28:17 +0100
Subject: [PATCH 2/2] Update crates/stackable-operator/CHANGELOG.md

Co-authored-by: Sebastian Bernauer <sebastian.bernauer@stackable.de>
---
 crates/stackable-operator/CHANGELOG.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crates/stackable-operator/CHANGELOG.md b/crates/stackable-operator/CHANGELOG.md
index 509982c37..d674fc2a7 100644
--- a/crates/stackable-operator/CHANGELOG.md
+++ b/crates/stackable-operator/CHANGELOG.md
@@ -6,7 +6,7 @@ All notable changes to this project will be documented in this file.
 
 ### Added
 
-- Make Deployments to ClusterResources ([#992]).
+- Add Deployments to `ClusterResource`s ([#992]).
 
 [#992]: https://github.com/stackabletech/operator-rs/pull/992