fix: make sensor ops cluster-wide for collectionKeys

Signed-off-by: Joshua Jorel Lee <joshua.jorel.ee@gmail.com>

pkg/sensors/handler.go

@@ -247,10 +247,12 @@ func (h *handler) enableTracingPolicy(op *tracingPolicyEnable) error {
 }
 
 func (h *handler) addSensor(op *sensorAdd) error {
-	if _, exists := h.collections[op.ck]; exists {
-		return fmt.Errorf("sensor %s already exists", op.ck)
+	// Treat sensors as cluster-wide operations
+	ck := collectionKey{op.name, ""}
+	if _, exists := h.collections[ck]; exists {
+		return fmt.Errorf("sensor %s already exists", ck)
 	}
-	h.collections[op.ck] = collection{
+	h.collections[ck] = collection{
 		sensors: []*Sensor{op.sensor},
 		name:    op.name,
 	}
@@ -273,17 +275,20 @@ func (h *handler) removeSensor(op *sensorRemove) error {
 		removeAllSensors(h)
 		return nil
 	}
-	col, exists := h.collections[op.ck]
+	// Treat sensors as cluster-wide operations
+	ck := collectionKey{op.name, ""}
+	col, exists := h.collections[ck]
 	if !exists {
-		return fmt.Errorf("sensor %s does not exist", op.ck)
+		return fmt.Errorf("sensor %s does not exist", ck)
 	}
 
 	col.destroy()
-	delete(h.collections, op.ck)
+	delete(h.collections, ck)
 	return nil
 }
 
 func (h *handler) enableSensor(op *sensorEnable) error {
+	// Treat sensors as cluster-wide operations
 	ck := collectionKey{op.name, ""}
 	col, exists := h.collections[ck]
 	if !exists {
@@ -294,7 +299,7 @@ func (h *handler) enableSensor(op *sensorEnable) error {
 }
 
 func (h *handler) disableSensor(op *sensorDisable) error {
-	// assume sensors can only be enabled or disabled when not using k8s
+	// Treat sensors as cluster-wide operations
 	ck := collectionKey{op.name, ""}
 	col, exists := h.collections[ck]
 	if !exists {

pkg/sensors/manager.go

@@ -398,7 +398,6 @@ type sensorOp interface {
 type sensorAdd struct {
 	ctx     context.Context
 	name    string
-	ck      collectionKey
 	sensor  *Sensor
 	retChan chan error
 }
@@ -407,7 +406,6 @@ type sensorAdd struct {
 type sensorRemove struct {
 	ctx     context.Context
 	name    string
-	ck      collectionKey
 	all     bool
 	retChan chan error
 }
@@ -416,15 +414,13 @@ type sensorRemove struct {
 type sensorEnable struct {
 	ctx     context.Context
 	name    string
-	ck      collectionKey
 	retChan chan error
 }
 
 // sensorDisable disables a sensor
 type sensorDisable struct {
 	ctx     context.Context
 	name    string
-	ck      collectionKey
 	retChan chan error
 }