fix: Delay controller startup to avoid 404 in initial list

Author: Techassi

deploy/helm/druid-operator/templates/roles.yaml

@@ -96,6 +96,9 @@ rules:
       {{- if .Values.maintenance.customResourceDefinitions.maintain }}
       - create
       - patch
+      # Required for startup condition
+      - list
+      - watch
       {{- end }}
   - apiGroups:
       - listeners.stackable.tech

rust/operator-binary/src/main.rs

@@ -17,7 +17,7 @@ use stackable_operator::{
         core::v1::{ConfigMap, Service},
     },
     kube::{
-        ResourceExt,
+        CustomResourceExt, ResourceExt,
         core::DeserializeGuard,
         runtime::{
             Controller,
@@ -29,7 +29,7 @@ use stackable_operator::{
     logging::controller::report_controller_reconciled,
     shared::yaml::SerializeOptions,
     telemetry::Tracing,
-    utils::signal::SignalWatcher,
+    utils::signal::{self, SignalWatcher},
 };
 
 use crate::{
@@ -187,7 +187,12 @@ async fn main() -> anyhow::Result<()> {
                 )
                 .map(anyhow::Ok);
 
-            futures::try_join!(druid_controller, eos_checker, webhook_server)?;
+            let delayed_druid_controller = async {
+                signal::crd_established(&client, v1alpha1::DruidCluster::crd_name(), None).await?;
+                druid_controller.await
+            };
+
+            futures::try_join!(delayed_druid_controller, eos_checker, webhook_server)?;
         }
     }