Add cdi.enabled option to runtime configure

Signed-off-by: Evan Lezar <elezar@nvidia.com>

pkg/config/engine/api.go

@@ -20,6 +20,7 @@ package engine
 type Interface interface {
 	DefaultRuntime() string
 	AddRuntime(string, string, bool) error
+	Set(string, interface{}) error
 	RemoveRuntime(string) error
 	Save(string) (int64, error)
 }

pkg/config/engine/containerd/config_v1.go

@@ -134,6 +134,14 @@ func (c *ConfigV1) RemoveRuntime(name string) error {
 	return nil
 }
 
+// SetOption sets the specified containerd option.
+func (c *ConfigV1) Set(key string, value interface{}) error {
+	config := *c.Tree
+	config.SetPath([]string{"plugins", "cri", "containerd", key}, value)
+	*c.Tree = config
+	return nil
+}
+
 // Save wrotes the config to a file
 func (c ConfigV1) Save(path string) (int64, error) {
 	return (Config)(c).Save(path)

pkg/config/engine/containerd/config_v2.go

@@ -90,6 +90,14 @@ func (c *Config) getRuntimeAnnotations(path []string) ([]string, error) {
 	return annotations, nil
 }
 
+// Set sets the specified containerd option.
+func (c *Config) Set(key string, value interface{}) error {
+	config := *c.Tree
+	config.SetPath([]string{"plugins", "io.containerd.grpc.v1.cri", key}, value)
+	*c.Tree = config
+	return nil
+}
+
 // DefaultRuntime returns the default runtime for the cri-o config
 func (c Config) DefaultRuntime() string {
 	if runtime, ok := c.GetPath([]string{"plugins", "io.containerd.grpc.v1.cri", "containerd", "default_runtime_name"}).(string); ok {

pkg/config/engine/crio/crio.go

@@ -99,6 +99,11 @@ func (c *Config) RemoveRuntime(name string) error {
 	return nil
 }
 
+// Set is not supported for cri-o configs.
+func (c *Config) Set(key string, value interface{}) error {
+	return fmt.Errorf("Set is not supported for crio configs")
+}
+
 // Save writes the config to the specified path
 func (c Config) Save(path string) (int64, error) {
 	config := (toml.Tree)(c)

pkg/config/engine/docker/docker.go

@@ -114,6 +114,11 @@ func (c *Config) RemoveRuntime(name string) error {
 	return nil
 }
 
+// Set is not supported for docker configs.
+func (c *Config) Set(key string, value interface{}) error {
+	return fmt.Errorf("Set is not supported for crio configs")
+}
+
 // Save writes the config to the specified path
 func (c Config) Save(path string) (int64, error) {
 	output, err := json.MarshalIndent(c, "", "    ")