stack controller: watch for delete events

CHANGELOG.md

@@ -1,6 +1,10 @@
 CHANGELOG
 =========
 
+## Unreleased
+
+- Stack Controller: watch for delete events. [#756](https://github.com/pulumi/pulumi-kubernetes-operator/pull/756)
+
 ## 2.0.0-beta.2 (2024-11-11)
 
 - Improved support for using custom program sources. [#741](https://github.com/pulumi/pulumi-kubernetes-operator/pull/741) 

operator/internal/controller/auto/update_controller.go

@@ -23,6 +23,7 @@ import (
 	"fmt"
 	"io"
 	"regexp"
+	"sort"
 	"time"
 
 	"github.com/go-logr/logr"
@@ -497,6 +498,7 @@ func outputsToSecret(owner *autov1alpha1.Update, outputs map[string]*agentpb.Out
 			secrets = append(secrets, k)
 		}
 	}
+	sort.Strings(secrets)
 
 	annotation, err := json.Marshal(secrets)
 	if err != nil {

operator/internal/controller/pulumi/stack_controller.go

@@ -378,7 +378,7 @@ func (stackReadyPredicate) Create(e event.CreateEvent) bool {
 }
 
 func (stackReadyPredicate) Delete(_ event.DeleteEvent) bool {
-	return false
+	return true
 }
 
 func (stackReadyPredicate) Update(e event.UpdateEvent) bool {
@@ -393,7 +393,7 @@ func (stackReadyPredicate) Generic(_ event.GenericEvent) bool {
 }
 
 func isWorkspaceReady(ws *autov1alpha1.Workspace) bool {
-	if ws == nil || ws.Generation != ws.Status.ObservedGeneration {
+	if ws == nil || !ws.DeletionTimestamp.IsZero() || ws.Generation != ws.Status.ObservedGeneration {
 		return false
 	}
 	return meta.IsStatusConditionTrue(ws.Status.Conditions, autov1alpha1.WorkspaceReady)
@@ -408,7 +408,7 @@ func (workspaceReadyPredicate) Create(e event.CreateEvent) bool {
 }
 
 func (workspaceReadyPredicate) Delete(_ event.DeleteEvent) bool {
-	return false
+	return true
 }
 
 func (workspaceReadyPredicate) Update(e event.UpdateEvent) bool {
@@ -438,7 +438,7 @@ func (updateCompletePredicate) Create(e event.CreateEvent) bool {
 }
 
 func (updateCompletePredicate) Delete(e event.DeleteEvent) bool {
-	return false
+	return true
 }
 
 func (updateCompletePredicate) Update(e event.UpdateEvent) bool {