Merge pull request #309 from llm-d-incubation/custom_ns

Discover namespace post install

Author: asm582

charts/workload-variant-autoscaler/templates/manager/wva-deployment-controller-manager.yaml

@@ -89,6 +89,10 @@ spec:
               configMapKeyRef:
                 name: workload-variant-autoscaler-variantautoscaling-config
                 key:  EXPERIMENTAL_HYBRID_OPTIMIZATION
+          - name: POD_NAMESPACE
+            valueFrom:
+              fieldRef:
+                fieldPath: metadata.namespace
         name: manager
         ports:
           - name: healthz

config/manager/manager.yaml

@@ -90,6 +90,10 @@ spec:
               configMapKeyRef:
                 name: variantautoscaling-config
                 key: EXPERIMENTAL_HYBRID_OPTIMIZATION
+          - name: POD_NAMESPACE
+            valueFrom:
+              fieldRef:
+                fieldPath: metadata.namespace
         name: manager
         ports: []
         securityContext:

internal/controller/variantautoscaling_controller.go

@@ -92,8 +92,7 @@ type VariantAutoscalingReconciler struct {
 // +kubebuilder:rbac:groups="",resources=events,verbs=create;patch
 
 const (
-	configMapName      = "workload-variant-autoscaler-variantautoscaling-config"
-	configMapNamespace = "workload-variant-autoscaler-system"
+	configMapName = "workload-variant-autoscaler-variantautoscaling-config"
 	// ServiceMonitor constants for watching controller's own metrics ServiceMonitor
 	serviceMonitorName = "workload-variant-autoscaler-controller-manager-metrics-monitor"
 	// Environment variable to enable experimental hybrid-based optimization
@@ -103,13 +102,21 @@ const (
 	EnvExperimentalHybridOptimization = "EXPERIMENTAL_HYBRID_OPTIMIZATION"
 )
 
+func getNamespace() string {
+	if ns := os.Getenv("POD_NAMESPACE"); ns != "" {
+		return ns
+	}
+	return "workload-variant-autoscaler-system"
+}
+
 var (
 	// ServiceMonitor GVK for watching controller's own metrics ServiceMonitor
 	serviceMonitorGVK = schema.GroupVersionKind{
 		Group:   "monitoring.coreos.com",
 		Version: "v1",
 		Kind:    "ServiceMonitor",
 	}
+	configMapNamespace = getNamespace()
 )
 
 func initMetricsEmitter() {