Add option to nvidia-ctk to enable CDI in docker

Signed-off-by: Christopher Desiniotis <cdesiniotis@nvidia.com>
Signed-off-by: Evan Lezar <elezar@nvidia.com>
This commit is contained in:
Christopher Desiniotis 2023-11-20 14:55:21 -08:00 committed by Evan Lezar
parent 16a4de1a2b
commit 64fb26b086
3 changed files with 24 additions and 8 deletions

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@ -6,6 +6,7 @@
* Include `vulkan/icd.d/nvidia_layers.json` in list of graphics mounts. * Include `vulkan/icd.d/nvidia_layers.json` in list of graphics mounts.
* Add support for `--library-search-paths` to `nvidia-ctk cdi generate` command. * Add support for `--library-search-paths` to `nvidia-ctk cdi generate` command.
* Add support for injecting /dev/nvidia-nvswitch* devices if the NVIDIA_NVSWITCH=enabled envvar is specified. * Add support for injecting /dev/nvidia-nvswitch* devices if the NVIDIA_NVSWITCH=enabled envvar is specified.
* Added support for `nvidia-ctk runtime configure --enable-cdi` for the `docker` runtime. Note that this requires Docker >= 25.
* [libnvidia-container] Fix device permission check when using cgroupv2 (fixes #227) * [libnvidia-container] Fix device permission check when using cgroupv2 (fixes #227)

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@ -20,13 +20,14 @@ import (
"fmt" "fmt"
"path/filepath" "path/filepath"
"github.com/urfave/cli/v2"
"github.com/NVIDIA/nvidia-container-toolkit/internal/logger" "github.com/NVIDIA/nvidia-container-toolkit/internal/logger"
"github.com/NVIDIA/nvidia-container-toolkit/pkg/config/engine" "github.com/NVIDIA/nvidia-container-toolkit/pkg/config/engine"
"github.com/NVIDIA/nvidia-container-toolkit/pkg/config/engine/containerd" "github.com/NVIDIA/nvidia-container-toolkit/pkg/config/engine/containerd"
"github.com/NVIDIA/nvidia-container-toolkit/pkg/config/engine/crio" "github.com/NVIDIA/nvidia-container-toolkit/pkg/config/engine/crio"
"github.com/NVIDIA/nvidia-container-toolkit/pkg/config/engine/docker" "github.com/NVIDIA/nvidia-container-toolkit/pkg/config/engine/docker"
"github.com/NVIDIA/nvidia-container-toolkit/pkg/config/ocihook" "github.com/NVIDIA/nvidia-container-toolkit/pkg/config/ocihook"
"github.com/urfave/cli/v2"
) )
const ( const (
@ -185,7 +186,7 @@ func (m command) validateFlags(c *cli.Context, config *config) error {
} }
} }
if config.runtime != "containerd" { if config.runtime != "containerd" && config.runtime != "docker" {
if config.cdi.enabled { if config.cdi.enabled {
m.logger.Warningf("Ignoring cdi.enabled flag for %v", config.runtime) m.logger.Warningf("Ignoring cdi.enabled flag for %v", config.runtime)
} }
@ -244,10 +245,9 @@ func (m command) configureConfigFile(c *cli.Context, config *config) error {
return fmt.Errorf("unable to update config: %v", err) return fmt.Errorf("unable to update config: %v", err)
} }
if config.cdi.enabled { err = enableCDI(config, cfg)
if err := cfg.Set("enable_cdi", true); err != nil { if err != nil {
return fmt.Errorf("failed enable CDI in containerd: %w", err) return fmt.Errorf("failed to enable CDI in %s: %w", config.runtime, err)
}
} }
outputPath := config.getOuputConfigPath() outputPath := config.getOuputConfigPath()
@ -300,3 +300,17 @@ func (m *command) configureOCIHook(c *cli.Context, config *config) error {
} }
return nil return nil
} }
// enableCDI enables the use of CDI in the corresponding container engine
func enableCDI(config *config, cfg engine.Interface) error {
if !config.cdi.enabled {
return nil
}
switch config.runtime {
case "containerd":
return cfg.Set("enable_cdi", true)
case "docker":
return cfg.Set("experimental", true)
}
return fmt.Errorf("enabling CDI in %s is not supported", config.runtime)
}

View File

@ -114,9 +114,10 @@ func (c *Config) RemoveRuntime(name string) error {
return nil return nil
} }
// Set is not supported for docker configs. // Set sets the specified docker option
func (c *Config) Set(key string, value interface{}) error { func (c *Config) Set(key string, value interface{}) error {
return fmt.Errorf("Set is not supported for crio configs") (*c)[key] = value
return nil
} }
// Save writes the config to the specified path // Save writes the config to the specified path