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scheme.go
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scheme.go
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package helper
import (
"encoding/json"
"fmt"
"github.com/gardener/gardener/extensions/pkg/controller"
gardencorev1beta1 "github.com/gardener/gardener/pkg/apis/core/v1beta1"
extensionsv1alpha1 "github.com/gardener/gardener/pkg/apis/extensions/v1alpha1"
kutil "github.com/gardener/gardener/pkg/utils/kubernetes"
api "github.com/metal-stack/gardener-extension-provider-metal/pkg/apis/metal"
"github.com/metal-stack/gardener-extension-provider-metal/pkg/apis/metal/install"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/serializer"
)
var (
// scheme is a scheme with the types relevant for metal actuators.
scheme *runtime.Scheme
decoder runtime.Decoder
)
func init() {
scheme = runtime.NewScheme()
install.Install(scheme)
decoder = serializer.NewCodecFactory(scheme).UniversalDecoder()
}
// DecodeCloudProfileConfig decodes the cloud profile config
func DecodeCloudProfileConfig(cloudProfile *gardencorev1beta1.CloudProfile) (*api.CloudProfileConfig, error) {
var cloudProfileConfig *api.CloudProfileConfig
if cloudProfile != nil && cloudProfile.Spec.ProviderConfig != nil && cloudProfile.Spec.ProviderConfig.Raw != nil {
cloudProfileConfig = &api.CloudProfileConfig{}
if _, _, err := decoder.Decode(cloudProfile.Spec.ProviderConfig.Raw, nil, cloudProfileConfig); err != nil {
return nil, fmt.Errorf("could not decode providerConfig of cloudProfile for %q %w", kutil.ObjectName(cloudProfile), err)
}
}
return cloudProfileConfig, nil
}
// InfrastructureConfigFromInfrastructure extracts the InfrastructureConfig from the
// ProviderConfig section of the given Infrastructure.
func InfrastructureConfigFromInfrastructure(infra *extensionsv1alpha1.Infrastructure) (*api.InfrastructureConfig, error) {
if infra.Spec.ProviderConfig != nil && infra.Spec.ProviderConfig.Raw != nil {
config := &api.InfrastructureConfig{}
if _, _, err := decoder.Decode(infra.Spec.ProviderConfig.Raw, nil, config); err != nil {
return nil, err
}
return config, nil
}
return nil, fmt.Errorf("provider config is not set on the infrastructure resource")
}
// ControlPlaneConfigFromControlPlane extracts the ControlPlaneConfig from the
// ProviderConfig section of the given ControlPlane.
func ControlPlaneConfigFromControlPlane(cp *extensionsv1alpha1.ControlPlane) (*api.ControlPlaneConfig, error) {
config := &api.ControlPlaneConfig{}
if cp.Spec.ProviderConfig != nil && cp.Spec.ProviderConfig.Raw != nil {
if _, _, err := decoder.Decode(cp.Spec.ProviderConfig.Raw, nil, config); err != nil {
return nil, err
}
return config, nil
}
return config, nil
}
// ControlPlaneConfigFromClusterShootSpec extracts the ControlPlaneConfig from the shoot spec of a given cluster.
func ControlPlaneConfigFromClusterShootSpec(cluster *controller.Cluster) (*api.ControlPlaneConfig, error) {
config := &api.ControlPlaneConfig{}
if cluster != nil && cluster.Shoot != nil && cluster.Shoot.Spec.Provider.ControlPlaneConfig != nil && cluster.Shoot.Spec.Provider.ControlPlaneConfig.Raw != nil {
if _, _, err := decoder.Decode(cluster.Shoot.Spec.Provider.ControlPlaneConfig.Raw, nil, config); err != nil {
return nil, err
}
return config, nil
}
return config, nil
}
// CloudProfileConfigFromCluster decodes the provider specific cloud profile configuration for a cluster
func CloudProfileConfigFromCluster(cluster *controller.Cluster) (*api.CloudProfileConfig, error) {
var cloudProfileConfig *api.CloudProfileConfig
if cluster != nil && cluster.CloudProfile != nil && cluster.CloudProfile.Spec.ProviderConfig != nil && cluster.CloudProfile.Spec.ProviderConfig.Raw != nil {
cloudProfileConfig = &api.CloudProfileConfig{}
if _, _, err := decoder.Decode(cluster.CloudProfile.Spec.ProviderConfig.Raw, nil, cloudProfileConfig); err != nil {
return nil, fmt.Errorf("could not decode providerConfig of cloudProfile for '%s' %w", kutil.ObjectName(cluster.CloudProfile), err)
}
}
return cloudProfileConfig, nil
}
// DecodeRawExtension decodes a raw extension into an object
func DecodeRawExtension[T runtime.Object](extension *runtime.RawExtension, object T, decoder runtime.Decoder) error {
if extension != nil && extension.Raw != nil {
if _, _, err := decoder.Decode(extension.Raw, nil, object); err != nil {
return err
}
}
return nil
}
// EncodeRawExtension encodes an object into a raw extension
func EncodeRawExtension(from runtime.Object) (*runtime.RawExtension, error) {
encoded, err := json.Marshal(from)
if err != nil {
return nil, err
}
return &runtime.RawExtension{
Raw: encoded,
}, nil
}