Fixing null pointer error

flx-dev-plugin.yaml

@@ -16,7 +16,7 @@ spec:
     spec:
       initContainers:
       - name: flx-driver
-        image: np04docker.cern.ch/dunedaq-local/flx-driver:v0.3
+        image: np04docker.cern.ch/ghcr/dune-daq/flx-init-driver-alma9:latest
         securityContext:
           privileged: true
         volumeMounts:
@@ -27,7 +27,7 @@ spec:
             readOnly: true
       containers:
       - name: flx-plugin
-        image: np04docker.cern.ch/dunedaq-local/flx-plugin:v0.3
+        image: np04docker.cern.ch/ghcr/dune-daq/flx-device-plugin:latest
         securityContext:
           allowPrivilegeEscalation: false
         volumeMounts:

flx-plugin/go.mod

@@ -1,6 +1,6 @@
 module flx-dev-plugin
 
-go 1.17
+go 1.21
 
 require (
 	github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b

flx-plugin/main.go

@@ -111,22 +111,29 @@ func (p *Plugin) Allocate(ctx context.Context, r *pluginapi.AllocateRequest) (*p
 }
 
 // GetDevicePluginOptions returns options to be communicated with Device Manager
-func (Plugin) GetDevicePluginOptions(context.Context, *pluginapi.Empty) (*pluginapi.DevicePluginOptions, error) {
-    return nil, nil
+func (p* Plugin) GetDevicePluginOptions(context.Context, *pluginapi.Empty) (*pluginapi.DevicePluginOptions, error) {
+    fmt.Println("GetDevicePluginOptions()", p.name)
+
+    return &pluginapi.DevicePluginOptions{}, nil
 }
 
 // PreStartContainer is called, if indicated by Device Plugin during registeration phase,
 // before each container start. Device plugin can run device specific operations
 // such as reseting the device before making devices available to the container
-func (Plugin) PreStartContainer(context.Context, *pluginapi.PreStartContainerRequest) (*pluginapi.PreStartContainerResponse, error) {
-    return nil, nil
+func (p* Plugin) PreStartContainer(context.Context, *pluginapi.PreStartContainerRequest) (*pluginapi.PreStartContainerResponse, error) {
+    fmt.Println("GetDevicePluginOptions()", p.name)
+
+    return &pluginapi.PreStartContainerResponse{}, nil
 }
 
-func (dp *Plugin) GetPreferredAllocation(ctx context.Context, request *pluginapi.PreferredAllocationRequest) (*pluginapi.PreferredAllocationResponse, error) {
-    return nil, nil
+func (p *Plugin) GetPreferredAllocation(ctx context.Context, request *pluginapi.PreferredAllocationRequest) (*pluginapi.PreferredAllocationResponse, error) {
+    fmt.Println("GetPreferredAllocation()", p.name)
+
+    return &pluginapi.PreferredAllocationResponse{}, nil
 }
 
 func (l FLXLister) GetResourceNamespace() string {
+    fmt.Println("GetResourceNamespace()")
     return resourceNamespace
 }