/
crd.go
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/
crd.go
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// Copyright 2023 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 machinecontrollermanager
import (
"context"
_ "embed"
"fmt"
"sigs.k8s.io/controller-runtime/pkg/client"
"github.com/gardener/gardener/pkg/client/kubernetes"
"github.com/gardener/gardener/pkg/component"
gardenerutils "github.com/gardener/gardener/pkg/utils/gardener"
)
var (
//go:embed templates/crd-machine.sapcloud.io_machineclasses.yaml
machineClassCRD string
//go:embed templates/crd-machine.sapcloud.io_machinedeployments.yaml
machineDeploymentCRD string
//go:embed templates/crd-machine.sapcloud.io_machinesets.yaml
machineSetCRD string
//go:embed templates/crd-machine.sapcloud.io_machines.yaml
machineCRD string
crdResources []string
)
func init() {
crdResources = []string{
machineClassCRD,
machineDeploymentCRD,
machineSetCRD,
machineCRD,
}
}
type crd struct {
client client.Client
applier kubernetes.Applier
}
// NewCRD can be used to deploy the CRD definitions for the machine-controller-manager.
func NewCRD(client client.Client, applier kubernetes.Applier) component.Deployer {
return &crd{
client: client,
applier: applier,
}
}
// Deploy creates and updates the CRD definitions for the machine-controller-manager.
func (c *crd) Deploy(ctx context.Context) error {
for _, resource := range crdResources {
if err := c.applier.ApplyManifest(ctx, kubernetes.NewManifestReader([]byte(resource)), kubernetes.DefaultMergeFuncs); err != nil {
return err
}
}
return nil
}
func (c *crd) Destroy(ctx context.Context) error {
for _, resource := range crdResources {
reader := kubernetes.NewManifestReader([]byte(resource))
obj, err := reader.Read()
if err != nil {
return fmt.Errorf("failed reading manifest: %w", err)
}
if err := gardenerutils.ConfirmDeletion(ctx, c.client, obj); client.IgnoreNotFound(err) != nil {
return err
}
if err := c.applier.DeleteManifest(ctx, reader); client.IgnoreNotFound(err) != nil {
return err
}
}
return nil
}