Add all option to disable all hooks

Signed-off-by: Carlos Eduardo Arango Gutierrez <eduardoa@nvidia.com>

cmd/nvidia-ctk/cdi/generate/generate.go

@@ -57,7 +57,7 @@ type options struct {
 
 	configSearchPaths  cli.StringSlice
 	librarySearchPaths cli.StringSlice
-	disableHooks       cli.StringSlice
+	disabledHooks      cli.StringSlice
 
 	csv struct {
 		files          cli.StringSlice
@@ -179,9 +179,10 @@ func (m command) build() *cli.Command {
 		},
 		&cli.StringSliceFlag{
 			Name:        "disable-hook",
-			Usage:       "Comma-separated list of hooks to skip when generating the CDI specification.",
+			Aliases:     []string{"disable-hooks"},
+			Usage:       "Hook to skip when generating the CDI specification. Can be specified multiple times. Can be a comma-separated list of hooks or a single hook name.",
 			Value:       cli.NewStringSlice(),
-			Destination: &opts.disableHooks,
+			Destination: &opts.disabledHooks,
 		},
 	}
 
@@ -285,10 +286,8 @@ func (m command) generateSpec(opts *options) (spec.Interface, error) {
 		nvcdi.WithNvmlLib(opts.nvmllib),
 	}
 
-	if len(opts.disableHooks.Value()) > 0 {
-		for _, hook := range opts.disableHooks.Value() {
-			initOpts = append(initOpts, nvcdi.WithDisabledHook(nvcdi.HookName(hook)))
-		}
+	for _, hook := range opts.disabledHooks.Value() {
+		initOpts = append(initOpts, nvcdi.WithDisabledHook(hook))
 	}
 
 	cdilib, err := nvcdi.New(initOpts...)

cmd/nvidia-ctk/cdi/generate/generate_test.go

@@ -37,7 +37,9 @@ func TestGenerateSpec(t *testing.T) {
 	require.NoError(t, err)
 
 	driverRoot := filepath.Join(moduleRoot, "testdata", "lookup", "rootfs-1")
-	disableHook := cli.NewStringSlice("enable-cuda-compat", "create-symlinks", "update-ldcache")
+	disableHook1 := cli.NewStringSlice("enable-cuda-compat")
+	disableHook2 := cli.NewStringSlice("enable-cuda-compat", "update-ldcache")
+	disableHook3 := cli.NewStringSlice("all")
 
 	logger, _ := testlog.NewNullLogger()
 	testCases := []struct {
@@ -117,14 +119,14 @@ containerEdits:
 `,
 		},
 		{
-			description: "disableHooks",
+			description: "disableHooks1",
 			options: options{
-				format:       "yaml",
-				mode:         "nvml",
-				vendor:       "example.com",
-				class:        "device",
-				driverRoot:   driverRoot,
-				disableHooks: *disableHook,
+				format:        "yaml",
+				mode:          "nvml",
+				vendor:        "example.com",
+				class:         "device",
+				driverRoot:    driverRoot,
+				disabledHooks: *disableHook1,
 			},
 			expectedOptions: options{
 				format:            "yaml",
@@ -133,7 +135,128 @@ containerEdits:
 				class:             "device",
 				nvidiaCDIHookPath: "/usr/bin/nvidia-cdi-hook",
 				driverRoot:        driverRoot,
-				disableHooks:      *disableHook,
+				disabledHooks:     *disableHook1,
+			},
+			expectedSpec: `---
+cdiVersion: 0.5.0
+kind: example.com/device
+devices:
+    - name: "0"
+      containerEdits:
+        deviceNodes:
+            - path: /dev/nvidia0
+              hostPath: {{ .driverRoot }}/dev/nvidia0
+    - name: all
+      containerEdits:
+        deviceNodes:
+            - path: /dev/nvidia0
+              hostPath: {{ .driverRoot }}/dev/nvidia0
+containerEdits:
+    env:
+        - NVIDIA_VISIBLE_DEVICES=void
+    deviceNodes:
+        - path: /dev/nvidiactl
+          hostPath: {{ .driverRoot }}/dev/nvidiactl
+    hooks:
+        - hookName: createContainer
+          path: /usr/bin/nvidia-cdi-hook
+          args:
+            - nvidia-cdi-hook
+            - create-symlinks
+            - --link
+            - libcuda.so.1::/lib/x86_64-linux-gnu/libcuda.so
+        - hookName: createContainer
+          path: /usr/bin/nvidia-cdi-hook
+          args:
+            - nvidia-cdi-hook
+            - update-ldcache
+            - --folder
+            - /lib/x86_64-linux-gnu
+    mounts:
+        - hostPath: {{ .driverRoot }}/lib/x86_64-linux-gnu/libcuda.so.999.88.77
+          containerPath: /lib/x86_64-linux-gnu/libcuda.so.999.88.77
+          options:
+            - ro
+            - nosuid
+            - nodev
+            - bind
+`,
+		},
+		{
+			description: "disableHooks2",
+			options: options{
+				format:        "yaml",
+				mode:          "nvml",
+				vendor:        "example.com",
+				class:         "device",
+				driverRoot:    driverRoot,
+				disabledHooks: *disableHook2,
+			},
+			expectedOptions: options{
+				format:            "yaml",
+				mode:              "nvml",
+				vendor:            "example.com",
+				class:             "device",
+				nvidiaCDIHookPath: "/usr/bin/nvidia-cdi-hook",
+				driverRoot:        driverRoot,
+				disabledHooks:     *disableHook2,
+			},
+			expectedSpec: `---
+cdiVersion: 0.5.0
+kind: example.com/device
+devices:
+    - name: "0"
+      containerEdits:
+        deviceNodes:
+            - path: /dev/nvidia0
+              hostPath: {{ .driverRoot }}/dev/nvidia0
+    - name: all
+      containerEdits:
+        deviceNodes:
+            - path: /dev/nvidia0
+              hostPath: {{ .driverRoot }}/dev/nvidia0
+containerEdits:
+    env:
+        - NVIDIA_VISIBLE_DEVICES=void
+    deviceNodes:
+        - path: /dev/nvidiactl
+          hostPath: {{ .driverRoot }}/dev/nvidiactl
+    hooks:
+        - hookName: createContainer
+          path: /usr/bin/nvidia-cdi-hook
+          args:
+            - nvidia-cdi-hook
+            - create-symlinks
+            - --link
+            - libcuda.so.1::/lib/x86_64-linux-gnu/libcuda.so
+    mounts:
+        - hostPath: {{ .driverRoot }}/lib/x86_64-linux-gnu/libcuda.so.999.88.77
+          containerPath: /lib/x86_64-linux-gnu/libcuda.so.999.88.77
+          options:
+            - ro
+            - nosuid
+            - nodev
+            - bind
+`,
+		},
+		{
+			description: "disableHooksAll",
+			options: options{
+				format:        "yaml",
+				mode:          "nvml",
+				vendor:        "example.com",
+				class:         "device",
+				driverRoot:    driverRoot,
+				disabledHooks: *disableHook3,
+			},
+			expectedOptions: options{
+				format:            "yaml",
+				mode:              "nvml",
+				vendor:            "example.com",
+				class:             "device",
+				nvidiaCDIHookPath: "/usr/bin/nvidia-cdi-hook",
+				driverRoot:        driverRoot,
+				disabledHooks:     *disableHook3,
 			},
 			expectedSpec: `---
 cdiVersion: 0.5.0

pkg/nvcdi/api.go

@@ -44,4 +44,17 @@ const (
 	// HookEnableCudaCompat refers to the hook used to enable CUDA Forward Compatibility.
 	// This was added with v1.17.5 of the NVIDIA Container Toolkit.
 	HookEnableCudaCompat = HookName("enable-cuda-compat")
+	// HookCreateSymlinks refers to the hook used create symlinks inside the
+	// directory path to be mounted into a container.
+	HookCreateSymlinks = HookName("create-symlinks")
+	// HookUpdateLDCache refers to the hook used to  Update the dynamic linker
+	// cache inside the directory path to be mounted into a container.
+	HookUpdateLDCache = HookName("update-ldcache")
 )
+
+// AllHooks maintains a future-proof list of all defined hooks.
+var AllHooks = []HookName{
+	HookEnableCudaCompat,
+	HookCreateSymlinks,
+	HookUpdateLDCache,
+}

pkg/nvcdi/driver-nvml.go

@@ -99,7 +99,7 @@ func (l *nvcdilib) NewDriverLibraryDiscoverer(version string) (discover.Discover
 
 	var discoverers []discover.Discover
 
-	if l.HookIsSupported("create-symlinks") {
+	if l.HookIsSupported(HookCreateSymlinks) {
 		driverDotSoSymlinksDiscoverer := discover.WithDriverDotSoSymlinks(
 			libraries,
 			version,
@@ -118,7 +118,7 @@ func (l *nvcdilib) NewDriverLibraryDiscoverer(version string) (discover.Discover
 		discoverers = append(discoverers, cudaCompatLibHookDiscoverer)
 	}
 
-	if l.HookIsSupported("update-ldcache") {
+	if l.HookIsSupported(HookUpdateLDCache) {
 		updateLDCache, _ := discover.NewLDCacheUpdateHook(
 			l.logger,
 			libraries,

pkg/nvcdi/hooks.go

@@ -28,3 +28,14 @@ func (l *nvcdilib) HookIsSupported(h HookName) bool {
 	}
 	return !l.disabledHooks[h]
 }
+
+func (d disabledHooks) Set(value HookName) {
+	if value == "all" {
+		for _, hook := range AllHooks {
+			d[hook] = true
+		}
+		return
+	}
+
+	d[value] = true
+}

pkg/nvcdi/options.go

@@ -158,11 +158,11 @@ func WithLibrarySearchPaths(paths []string) Option {
 
 // WithDisabledHook allows specific hooks to the disabled.
 // This option can be specified multiple times for each hook.
-func WithDisabledHook(hook HookName) Option {
+func WithDisabledHook[T string | HookName](hook T) Option {
 	return func(o *nvcdilib) {
 		if o.disabledHooks == nil {
 			o.disabledHooks = make(map[HookName]bool)
 		}
-		o.disabledHooks[hook] = true
+		o.disabledHooks.Set(HookName(hook))
 	}
 }