Add EnableCDI() method to engine.Interface

Signed-off-by: Christopher Desiniotis <[email protected]>

pkg/config/engine/api.go

@@ -24,6 +24,7 @@ type Interface interface {
 	RemoveRuntime(string) error
 	Save(string) (int64, error)
 	GetRuntimeConfig(string) (RuntimeConfig, error)
+	EnableCDI()
 }
 
 // RuntimeConfig defines the interface to query container runtime handler configuration

pkg/config/engine/containerd/config_v1.go

@@ -163,3 +163,7 @@ func (c *ConfigV1) GetRuntimeConfig(name string) (engine.RuntimeConfig, error) {
 		tree: runtimeData,
 	}, nil
 }
+
+func (c *ConfigV1) EnableCDI() {
+	c.Set("enable_cdi", true)
+}

pkg/config/engine/containerd/containerd.go

@@ -126,6 +126,10 @@ func (c *Config) GetRuntimeConfig(name string) (engine.RuntimeConfig, error) {
 	}, nil
 }
 
+func (c *Config) EnableCDI() {
+	c.Set("enable_cdi", true)
+}
+
 // CommandLineSource returns the CLI-based containerd config loader
 func CommandLineSource(hostRoot string) toml.Loader {
 	return toml.FromCommandLine(chrootIfRequired(hostRoot, "containerd", "config", "dump")...)

pkg/config/engine/crio/crio.go

@@ -153,6 +153,11 @@ func (c *Config) GetRuntimeConfig(name string) (engine.RuntimeConfig, error) {
 	}, nil
 }
 
+func (c *Config) EnableCDI() {
+	// no-op since CDI is always enabled in versions where CDI is supported
+	return
+}
+
 // CommandLineSource returns the CLI-based crio config loader
 func CommandLineSource(hostRoot string) toml.Loader {
 	return toml.LoadFirst(

pkg/config/engine/docker/docker.go

@@ -166,3 +166,7 @@ func (c *Config) GetRuntimeConfig(name string) (engine.RuntimeConfig, error) {
 	}
 	return &dockerRuntime{}, nil
 }
+
+func (c *Config) EnableCDI() {
+	c.Set("features", map[string]bool{"cdi": true})
+}