/
scheme.go
111 lines (94 loc) · 4.26 KB
/
scheme.go
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/*
* Copyright 2019 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package helper
import (
"fmt"
"github.com/gardener/gardener/extensions/pkg/controller"
extensionsv1alpha1 "github.com/gardener/gardener/pkg/apis/extensions/v1alpha1"
kutil "github.com/gardener/gardener/pkg/utils/kubernetes"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/serializer"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
api "github.com/gardener/gardener-extension-provider-openstack/pkg/apis/openstack"
"github.com/gardener/gardener-extension-provider-openstack/pkg/apis/openstack/install"
)
var (
// Scheme is a scheme with the types relevant for OpenStack actuators.
Scheme *runtime.Scheme
decoder runtime.Decoder
// lenientDecoder is a decoder that does not use strict mode.
lenientDecoder runtime.Decoder
)
func init() {
Scheme = runtime.NewScheme()
utilruntime.Must(install.AddToScheme(Scheme))
decoder = serializer.NewCodecFactory(Scheme, serializer.EnableStrict).UniversalDecoder()
lenientDecoder = serializer.NewCodecFactory(Scheme).UniversalDecoder()
}
// InfrastructureConfigFromInfrastructure extracts the InfrastructureConfig from the
// ProviderConfig section of the given Infrastructure.
func InfrastructureConfigFromInfrastructure(infra *extensionsv1alpha1.Infrastructure) (*api.InfrastructureConfig, error) {
return InfrastructureConfigFromRawExtension(infra.Spec.ProviderConfig)
}
// InfrastructureConfigFromRawExtension extracts the InfrastructureConfig from the ProviderConfig.
func InfrastructureConfigFromRawExtension(providerConfig *runtime.RawExtension) (*api.InfrastructureConfig, error) {
config := &api.InfrastructureConfig{}
if providerConfig != nil && providerConfig.Raw != nil {
if _, _, err := decoder.Decode(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")
}
// InfrastructureStatusFromRaw extracts the InfrastructureStatus from the
// ProviderStatus section of the given Infrastructure.
func InfrastructureStatusFromRaw(raw *runtime.RawExtension) (*api.InfrastructureStatus, error) {
config := &api.InfrastructureStatus{}
if raw != nil && raw.Raw != nil {
if _, _, err := lenientDecoder.Decode(raw.Raw, nil, config); err != nil {
return nil, err
}
return config, nil
}
return nil, fmt.Errorf("provider status is not set on the infrastructure resource")
}
// 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
}
// WorkerConfigFromRawExtension extracts the provider specific configuration for a worker pool.
func WorkerConfigFromRawExtension(raw *runtime.RawExtension) (*api.WorkerConfig, error) {
poolConfig := &api.WorkerConfig{}
if raw != nil {
marshalled, err := raw.MarshalJSON()
if err != nil {
return nil, err
}
if _, _, err := decoder.Decode(marshalled, nil, poolConfig); err != nil {
return nil, err
}
}
return poolConfig, nil
}