feat: Support objectOverrides

Author: sbernauer

CHANGELOG.md

@@ -4,6 +4,13 @@ All notable changes to this project will be documented in this file.
 
 ## [Unreleased]
 
+### Added
+
+- Support objectOverrides using `.spec.objectOverrides`.
+  See [objectOverrides concepts page](https://docs.stackable.tech/home/nightly/concepts/overrides/#object-overrides) for details ([#XXX]).
+
+[#XXX]: https://github.com/stackabletech/druid-operator/pull/XXX
+
 ### Changed
 
 - Bump testing-tools to `0.3.0-stackable0.0.0-dev` ([#780]).

Cargo.lock

@@ -11,7 +11,7 @@ repository = "https://github.com/stackabletech/druid-operator"
 
 [workspace.dependencies]
 product-config = { git = "https://github.com/stackabletech/product-config.git", tag = "0.8.0" }
-stackable-operator = { git = "https://github.com/stackabletech/operator-rs.git", features = ["telemetry", "versioned"], tag = "stackable-operator-0.100.1" }
+stackable-operator = { git = "https://github.com/stackabletech/operator-rs.git", tag = "stackable-operator-0.101.2", features = ["telemetry", "versioned"] }
 
 anyhow = "1.0"
 built = { version = "0.8", features = ["chrono", "git2"] }

Cargo.toml

@@ -3127,6 +3127,20 @@ spec:
                   required:
                     - roleGroups
                   type: object
+                objectOverrides:
+                  default: []
+                  description: |-
+                    A list of generic Kubernetes objects, which are merged into the objects that the operator
+                    creates.
+
+                    List entries are arbitrary YAML objects, which need to be valid Kubernetes objects.
+
+                    Read the [Object overrides documentation](https://docs.stackable.tech/home/nightly/concepts/overrides#object-overrides)
+                    for more information.
+                  items:
+                    type: object
+                    x-kubernetes-preserve-unknown-fields: true
+                  type: array
                 routers:
                   description: |-
                     This struct represents a role - e.g. HDFS datanodes or Trino workers. It has a key-value-map containing

deploy/helm/druid-operator/crds/crds.yaml

@@ -19,6 +19,7 @@ use stackable_operator::{
         merge::Merge,
     },
     crd::{authentication::core, s3},
+    deep_merger::ObjectOverrides,
     k8s_openapi::api::core::v1::{PodTemplateSpec, Volume},
     kube::{CustomResource, ResourceExt},
     kvp::ObjectLabels,
@@ -244,6 +245,10 @@ pub mod versioned {
         // no doc - docs provided by the struct.
         #[serde(default)]
         pub cluster_operation: ClusterOperation,
+
+        // no doc - docs provided by the struct.
+        #[serde(default)]
+        pub object_overrides: ObjectOverrides,
     }
 
     #[derive(Clone, Debug, Deserialize, JsonSchema, Serialize)]

rust/operator-binary/src/crd/mod.rs

@@ -491,6 +491,7 @@ pub async fn reconcile_druid(
         DRUID_CONTROLLER_NAME,
         &druid.object_ref(&()),
         ClusterResourceApplyStrategy::from(&druid.spec.cluster_operation),
+        &druid.spec.object_overrides,
     )
     .context(CreateClusterResourcesSnafu)?;
 

rust/operator-binary/src/druid_controller.rs

@@ -28,7 +28,7 @@ pub async fn add_pdbs(
     druid: &v1alpha1::DruidCluster,
     role: &DruidRole,
     client: &Client,
-    cluster_resources: &mut ClusterResources,
+    cluster_resources: &mut ClusterResources<'_>,
 ) -> Result<(), Error> {
     if !pdb.enabled {
         return Ok(());