infrastructure.go

// Copyright 2020 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 botanist

import (
	"context"
	"fmt"

	gardencorev1beta1 "github.com/gardener/gardener/pkg/apis/core/v1beta1"
	v1beta1constants "github.com/gardener/gardener/pkg/apis/core/v1beta1/constants"
	v1beta1helper "github.com/gardener/gardener/pkg/apis/core/v1beta1/helper"
	"github.com/gardener/gardener/pkg/controllerutils"
	"github.com/gardener/gardener/pkg/extensions"
	"github.com/gardener/gardener/pkg/operation/botanist/component/extensions/infrastructure"
	"github.com/gardener/gardener/pkg/utils/secrets"
)

// DefaultInfrastructure creates the default deployer for the Infrastructure custom resource.
func (b *Botanist) DefaultInfrastructure() infrastructure.Interface {
	return infrastructure.New(
		b.Logger,
		b.SeedClientSet.Client(),
		&infrastructure.Values{
			Namespace:         b.Shoot.SeedNamespace,
			Name:              b.Shoot.GetInfo().Name,
			Type:              b.Shoot.GetInfo().Spec.Provider.Type,
			ProviderConfig:    b.Shoot.GetInfo().Spec.Provider.InfrastructureConfig,
			Region:            b.Shoot.GetInfo().Spec.Region,
			AnnotateOperation: controllerutils.HasTask(b.Shoot.GetInfo().Annotations, v1beta1constants.ShootTaskDeployInfrastructure) || b.isRestorePhase(),
		},
		infrastructure.DefaultInterval,
		infrastructure.DefaultSevereThreshold,
		infrastructure.DefaultTimeout,
	)
}

// DeployInfrastructure deploys the Infrastructure custom resource and triggers the restore operation in case
// the Shoot is in the restore phase of the control plane migration.
func (b *Botanist) DeployInfrastructure(ctx context.Context) error {
	if v1beta1helper.ShootEnablesSSHAccess(b.Shoot.GetInfo()) {
		sshKeypairSecret, found := b.SecretsManager.Get(v1beta1constants.SecretNameSSHKeyPair)
		if !found {
			return fmt.Errorf("secret %q not found", v1beta1constants.SecretNameSSHKeyPair)
		}
		b.Shoot.Components.Extensions.Infrastructure.SetSSHPublicKey(sshKeypairSecret.Data[secrets.DataKeySSHAuthorizedKeys])
	}

	if b.isRestorePhase() {
		return b.Shoot.Components.Extensions.Infrastructure.Restore(ctx, b.GetShootState())
	}

	return b.Shoot.Components.Extensions.Infrastructure.Deploy(ctx)
}

// WaitForInfrastructure waits until the infrastructure reconciliation has finished and extracts the provider status
// out of it.
func (b *Botanist) WaitForInfrastructure(ctx context.Context) error {
	if err := b.Shoot.Components.Extensions.Infrastructure.Wait(ctx); err != nil {
		return err
	}

	if nodesCIDR := b.Shoot.Components.Extensions.Infrastructure.NodesCIDR(); nodesCIDR != nil {
		if err := b.Shoot.UpdateInfo(ctx, b.GardenClient, true, func(shoot *gardencorev1beta1.Shoot) error {
			shoot.Spec.Networking.Nodes = nodesCIDR
			return nil
		}); err != nil {
			return err
		}

		if err := extensions.SyncClusterResourceToSeed(ctx, b.SeedClientSet.Client(), b.Shoot.SeedNamespace, b.Shoot.GetInfo(), nil, nil); err != nil {
			return err
		}
	}

	return nil
}