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provider.go
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provider.go
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package extender
import (
"slices"
gardener "github.com/gardener/gardener/pkg/apis/core/v1beta1"
imv1 "github.com/kyma-project/infrastructure-manager/api/v1"
"github.com/kyma-project/infrastructure-manager/internal/gardener/shoot/hyperscaler/aws"
"github.com/kyma-project/infrastructure-manager/internal/gardener/shoot/hyperscaler/azure"
"github.com/kyma-project/infrastructure-manager/internal/gardener/shoot/hyperscaler/gcp"
"github.com/kyma-project/infrastructure-manager/internal/gardener/shoot/hyperscaler/openstack"
"github.com/pkg/errors"
"k8s.io/apimachinery/pkg/runtime"
)
const (
ProviderTypeAWS = "aws"
ProviderTypeAzure = "azure"
ProviderTypeGCP = "gcp"
ProviderTypeOpenstack = "openstack"
)
func NewProviderExtender(enableIMDSv2 bool) func(runtime imv1.Runtime, shoot *gardener.Shoot) error {
return func(runtime imv1.Runtime, shoot *gardener.Shoot) error {
provider := &shoot.Spec.Provider
provider.Type = runtime.Spec.Shoot.Provider.Type
provider.Workers = runtime.Spec.Shoot.Provider.Workers
var err error
provider.InfrastructureConfig, provider.ControlPlaneConfig, err = getConfig(runtime.Spec.Shoot)
if err != nil {
return err
}
if runtime.Spec.Shoot.Provider.Type == "aws" && enableIMDSv2 {
provider.Workers[0].ProviderConfig, err = getAWSWorkerConfig()
}
return err
}
}
type InfrastructureProviderFunc func(workersCidr string, zones []string) ([]byte, error)
type ControlPlaneProviderFunc func(zones []string) ([]byte, error)
func getConfig(runtimeShoot imv1.RuntimeShoot) (infrastructureConfig *runtime.RawExtension, controlPlaneConfig *runtime.RawExtension, err error) {
getConfigForProvider := func(runtimeShoot imv1.RuntimeShoot, infrastructureConfigFunc InfrastructureProviderFunc, controlPlaneConfigFunc ControlPlaneProviderFunc) (*runtime.RawExtension, *runtime.RawExtension, error) {
zones := getZones(runtimeShoot.Provider.Workers)
infrastructureConfigBytes, err := infrastructureConfigFunc(runtimeShoot.Networking.Nodes, zones)
if err != nil {
return nil, nil, err
}
controlPlaneConfigBytes, err := controlPlaneConfigFunc(zones)
if err != nil {
return nil, nil, err
}
return &runtime.RawExtension{Raw: infrastructureConfigBytes}, &runtime.RawExtension{Raw: controlPlaneConfigBytes}, nil
}
switch runtimeShoot.Provider.Type {
case ProviderTypeAWS:
{
return getConfigForProvider(runtimeShoot, aws.GetInfrastructureConfig, aws.GetControlPlaneConfig)
}
case ProviderTypeAzure:
{
// Azure shoots are all zoned, put probably it not be validated here.
return getConfigForProvider(runtimeShoot, azure.GetInfrastructureConfig, azure.GetControlPlaneConfig)
}
case ProviderTypeGCP:
{
return getConfigForProvider(runtimeShoot, gcp.GetInfrastructureConfig, gcp.GetControlPlaneConfig)
}
case ProviderTypeOpenstack:
{
return getConfigForProvider(runtimeShoot, openstack.GetInfrastructureConfig, openstack.GetControlPlaneConfig)
}
default:
return nil, nil, errors.New("provider not supported")
}
}
func getAWSWorkerConfig() (*runtime.RawExtension, error) {
workerConfigBytes, err := aws.GetWorkerConfig()
if err != nil {
return nil, err
}
return &runtime.RawExtension{Raw: workerConfigBytes}, nil
}
func getZones(workers []gardener.Worker) []string {
var zones []string
for _, worker := range workers {
zones = append(zones, worker.Zones...)
}
slices.Sort(zones)
return slices.Compact(zones)
}