diff --git a/cmd/nvidia-ctk/cdi/generate/generate.go b/cmd/nvidia-ctk/cdi/generate/generate.go index a81f41a5..71fd0d01 100644 --- a/cmd/nvidia-ctk/cdi/generate/generate.go +++ b/cmd/nvidia-ctk/cdi/generate/generate.go @@ -40,7 +40,7 @@ type command struct { logger *logrus.Logger } -type config struct { +type options struct { output string format string deviceNameStrategy string @@ -61,17 +61,17 @@ func NewCommand(logger *logrus.Logger) *cli.Command { // build creates the CLI command func (m command) build() *cli.Command { - cfg := config{} + opts := options{} // Create the 'generate-cdi' command c := cli.Command{ Name: "generate", Usage: "Generate CDI specifications for use with CDI-enabled runtimes", Before: func(c *cli.Context) error { - return m.validateFlags(c, &cfg) + return m.validateFlags(c, &opts) }, Action: func(c *cli.Context) error { - return m.run(c, &cfg) + return m.run(c, &opts) }, } @@ -79,109 +79,109 @@ func (m command) build() *cli.Command { &cli.StringFlag{ Name: "output", Usage: "Specify the file to output the generated CDI specification to. If this is '' the specification is output to STDOUT", - Destination: &cfg.output, + Destination: &opts.output, }, &cli.StringFlag{ Name: "format", Usage: "The output format for the generated spec [json | yaml]. This overrides the format defined by the output file extension (if specified).", Value: spec.FormatYAML, - Destination: &cfg.format, + Destination: &opts.format, }, &cli.StringFlag{ Name: "mode", Aliases: []string{"discovery-mode"}, Usage: "The mode to use when discovering the available entities. One of [auto | nvml | wsl]. If mode is set to 'auto' the mode will be determined based on the system configuration.", Value: nvcdi.ModeAuto, - Destination: &cfg.mode, + Destination: &opts.mode, }, &cli.StringFlag{ Name: "device-name-strategy", Usage: "Specify the strategy for generating device names. One of [index | uuid | type-index]", Value: nvcdi.DeviceNameStrategyIndex, - Destination: &cfg.deviceNameStrategy, + Destination: &opts.deviceNameStrategy, }, &cli.StringFlag{ Name: "driver-root", Usage: "Specify the NVIDIA GPU driver root to use when discovering the entities that should be included in the CDI specification.", - Destination: &cfg.driverRoot, + Destination: &opts.driverRoot, }, &cli.StringFlag{ Name: "nvidia-ctk-path", Usage: "Specify the path to use for the nvidia-ctk in the generated CDI specification. If this is left empty, the path will be searched.", - Destination: &cfg.nvidiaCTKPath, + Destination: &opts.nvidiaCTKPath, }, &cli.StringFlag{ Name: "vendor", Aliases: []string{"cdi-vendor"}, Usage: "the vendor string to use for the generated CDI specification.", Value: "nvidia.com", - Destination: &cfg.vendor, + Destination: &opts.vendor, }, &cli.StringFlag{ Name: "class", Aliases: []string{"cdi-class"}, Usage: "the class string to use for the generated CDI specification.", Value: "gpu", - Destination: &cfg.class, + Destination: &opts.class, }, } return &c } -func (m command) validateFlags(c *cli.Context, cfg *config) error { +func (m command) validateFlags(c *cli.Context, opts *options) error { - cfg.format = strings.ToLower(cfg.format) - switch cfg.format { + opts.format = strings.ToLower(opts.format) + switch opts.format { case spec.FormatJSON: case spec.FormatYAML: default: - return fmt.Errorf("invalid output format: %v", cfg.format) + return fmt.Errorf("invalid output format: %v", opts.format) } - cfg.mode = strings.ToLower(cfg.mode) - switch cfg.mode { + opts.mode = strings.ToLower(opts.mode) + switch opts.mode { case nvcdi.ModeAuto: case nvcdi.ModeNvml: case nvcdi.ModeWsl: case nvcdi.ModeManagement: default: - return fmt.Errorf("invalid discovery mode: %v", cfg.mode) + return fmt.Errorf("invalid discovery mode: %v", opts.mode) } - _, err := nvcdi.NewDeviceNamer(cfg.deviceNameStrategy) + _, err := nvcdi.NewDeviceNamer(opts.deviceNameStrategy) if err != nil { return err } cfg.nvidiaCTKPath = discover.FindNvidiaCTK(m.logger, cfg.nvidiaCTKPath) - if outputFileFormat := formatFromFilename(cfg.output); outputFileFormat != "" { + if outputFileFormat := formatFromFilename(opts.output); outputFileFormat != "" { m.logger.Debugf("Inferred output format as %q from output file name", outputFileFormat) if !c.IsSet("format") { - cfg.format = outputFileFormat - } else if outputFileFormat != cfg.format { - m.logger.Warningf("Requested output format %q does not match format implied by output file name: %q", cfg.format, outputFileFormat) + opts.format = outputFileFormat + } else if outputFileFormat != opts.format { + m.logger.Warningf("Requested output format %q does not match format implied by output file name: %q", opts.format, outputFileFormat) } } - if err := cdi.ValidateVendorName(cfg.vendor); err != nil { + if err := cdi.ValidateVendorName(opts.vendor); err != nil { return fmt.Errorf("invalid CDI vendor name: %v", err) } - if err := cdi.ValidateClassName(cfg.class); err != nil { + if err := cdi.ValidateClassName(opts.class); err != nil { return fmt.Errorf("invalid CDI class name: %v", err) } return nil } -func (m command) run(c *cli.Context, cfg *config) error { - spec, err := m.generateSpec(cfg) +func (m command) run(c *cli.Context, opts *options) error { + spec, err := m.generateSpec(opts) if err != nil { return fmt.Errorf("failed to generate CDI spec: %v", err) } m.logger.Infof("Generated CDI spec with version %v", spec.Raw().Version) - if cfg.output == "" { + if opts.output == "" { _, err := spec.WriteTo(os.Stdout) if err != nil { return fmt.Errorf("failed to write CDI spec to STDOUT: %v", err) @@ -189,7 +189,7 @@ func (m command) run(c *cli.Context, cfg *config) error { return nil } - return spec.Save(cfg.output) + return spec.Save(opts.output) } func formatFromFilename(filename string) string { @@ -204,18 +204,18 @@ func formatFromFilename(filename string) string { return "" } -func (m command) generateSpec(cfg *config) (spec.Interface, error) { - deviceNamer, err := nvcdi.NewDeviceNamer(cfg.deviceNameStrategy) +func (m command) generateSpec(opts *options) (spec.Interface, error) { + deviceNamer, err := nvcdi.NewDeviceNamer(opts.deviceNameStrategy) if err != nil { return nil, fmt.Errorf("failed to create device namer: %v", err) } cdilib, err := nvcdi.New( nvcdi.WithLogger(m.logger), - nvcdi.WithDriverRoot(cfg.driverRoot), - nvcdi.WithNVIDIACTKPath(cfg.nvidiaCTKPath), + nvcdi.WithDriverRoot(opts.driverRoot), + nvcdi.WithNVIDIACTKPath(opts.nvidiaCTKPath), nvcdi.WithDeviceNamer(deviceNamer), - nvcdi.WithMode(string(cfg.mode)), + nvcdi.WithMode(string(opts.mode)), ) if err != nil { return nil, fmt.Errorf("failed to create CDI library: %v", err) @@ -246,11 +246,11 @@ func (m command) generateSpec(cfg *config) (spec.Interface, error) { } return spec.New( - spec.WithVendor(cfg.vendor), - spec.WithClass(cfg.class), + spec.WithVendor(opts.vendor), + spec.WithClass(opts.class), spec.WithDeviceSpecs(deviceSpecs), spec.WithEdits(*commonEdits.ContainerEdits), - spec.WithFormat(cfg.format), + spec.WithFormat(opts.format), spec.WithPermissions(0644), ) }