botanist

package
v1.94.3 Latest Latest
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 Go to latest Published: Jun 7, 2024 License: Apache-2.0 Imports: 128 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	// Provider is the kubernetes provider label.
	Provider = "provider"
	// KubernetesProvider is the 'kubernetes' value of the Provider label.
	KubernetesProvider = "kubernetes"

	// KubeAggregatorAutoManaged is the label whether an APIService is automanaged by kube-aggregator.
	KubeAggregatorAutoManaged = autoregister.AutoRegisterManagedLabel

	// MetadataNameField ist the `metadata.name` field for a field selector.
	MetadataNameField = "metadata.name"
)
View Source 
const (
	// DNSRecordSecretPrefix is a constant for prefixing secrets referenced by DNSRecords
	DNSRecordSecretPrefix = "dnsrecord"
)
View Source 
const DefaultInterval = 5 * time.Second

DefaultInterval is the default interval for retry operations.

View Source 
const GardenerNodeAgentManagedResourceName = "shoot-gardener-node-agent"

GardenerNodeAgentManagedResourceName is a constant for the name of a ManagedResource in the seed cluster in the shoot namespace which contains resources for gardener-node-agent.

View Source 
const (
	// ManagedResourceName is the name of the managed resource used to deploy referenced resources to the Seed cluster.
	ManagedResourceName = "referenced-resources"
)
View Source 
const SecretLabelKeyManagedResource = "managed-resource"

SecretLabelKeyManagedResource is a key for a label on a secret with the value 'managed-resource'.

Variables

View Source 
var (
	// FinalizeAfterFiveMinutes is an option to finalize resources after five minutes.
	FinalizeAfterFiveMinutes = utilclient.FinalizeGracePeriodSeconds(5 * 60)
	// FinalizeAfterOneHour is an option to finalize resources after one hour.
	FinalizeAfterOneHour = utilclient.FinalizeGracePeriodSeconds(60 * 60)

	// ZeroGracePeriod can be used for deleting resources with no grace period.
	ZeroGracePeriod = client.GracePeriodSeconds(0)
	// GracePeriodFiveMinutes can be used for deleting resources with a grace period of five minutes.
	GracePeriodFiveMinutes = client.GracePeriodSeconds(5 * 60)

	// NotSystemComponent is a requirement that something doesn't have the GardenRole GardenRoleSystemComponent.
	NotSystemComponent = utils.MustNewRequirement(v1beta1constants.GardenRole, selection.NotEquals, v1beta1constants.GardenRoleSystemComponent)
	// NoCleanupPrevention is a requirement that the ShootNoCleanup label of something is not true.
	NoCleanupPrevention = utils.MustNewRequirement(v1beta1constants.ShootNoCleanup, selection.NotEquals, "true")
	// NotKubernetesProvider is a requirement that the Provider label of something is not KubernetesProvider.
	NotKubernetesProvider = utils.MustNewRequirement(Provider, selection.NotEquals, KubernetesProvider)
	// NotKubeAggregatorAutoManaged is a requirement that something is not auto-managed by Kube-Aggregator.
	NotKubeAggregatorAutoManaged = utils.MustNewRequirement(KubeAggregatorAutoManaged, selection.DoesNotExist)

	// CleanupSelector is a selector that excludes system components and all resources not considered for auto cleanup.
	CleanupSelector = labels.NewSelector().Add(NotSystemComponent).Add(NoCleanupPrevention)

	// NoCleanupPreventionListOption are CollectionMatching that exclude system components or non-auto cleaned up resource.
	NoCleanupPreventionListOption = client.MatchingLabelsSelector{Selector: CleanupSelector}

	// MutatingWebhookConfigurationCleanOption is the delete selector for MutatingWebhookConfigurations.
	MutatingWebhookConfigurationCleanOption = utilclient.ListWith{&NoCleanupPreventionListOption}

	// ValidatingWebhookConfigurationCleanOption is the delete selector for ValidatingWebhookConfigurations.
	ValidatingWebhookConfigurationCleanOption = utilclient.ListWith{&NoCleanupPreventionListOption}

	// CustomResourceDefinitionCleanOption is the delete selector for CustomResources.
	CustomResourceDefinitionCleanOption = utilclient.ListWith{&NoCleanupPreventionListOption}

	// DaemonSetCleanOption is the delete selector for DaemonSets.
	DaemonSetCleanOption = utilclient.ListWith{&NoCleanupPreventionListOption}

	// DeploymentCleanOption is the delete selector for Deployments.
	DeploymentCleanOption = utilclient.ListWith{&NoCleanupPreventionListOption}

	// StatefulSetCleanOption is the delete selector for StatefulSets.
	StatefulSetCleanOption = utilclient.ListWith{&NoCleanupPreventionListOption}

	// ServiceCleanOption is the delete selector for Services.
	ServiceCleanOption = utilclient.ListWith{
		client.MatchingLabelsSelector{
			Selector: labels.NewSelector().Add(NotKubernetesProvider, NotSystemComponent, NoCleanupPrevention),
		},
	}

	// APIServiceCleanOption is the delete selector for APIServices.
	APIServiceCleanOption = utilclient.ListWith{
		client.MatchingLabelsSelector{
			Selector: labels.NewSelector().Add(NotSystemComponent, NotKubeAggregatorAutoManaged),
		},
	}

	// CronJobCleanOption is the delete selector for CronJobs.
	CronJobCleanOption = utilclient.ListWith{&NoCleanupPreventionListOption}

	// IngressCleanOption is the delete selector for Ingresses.
	IngressCleanOption = utilclient.ListWith{&NoCleanupPreventionListOption}

	// JobCleanOption is the delete selector for Jobs.
	JobCleanOption = utilclient.ListWith{&NoCleanupPreventionListOption}

	// PodCleanOption is the delete selector for Pods.
	PodCleanOption = utilclient.ListWith{&NoCleanupPreventionListOption}

	// ReplicaSetCleanOption is the delete selector for ReplicaSets.
	ReplicaSetCleanOption = utilclient.ListWith{&NoCleanupPreventionListOption}

	// ReplicationControllerCleanOption is the delete selector for ReplicationControllers.
	ReplicationControllerCleanOption = utilclient.ListWith{&NoCleanupPreventionListOption}

	// PersistentVolumeClaimCleanOption is the delete selector for PersistentVolumeClaims.
	PersistentVolumeClaimCleanOption = utilclient.ListWith{&NoCleanupPreventionListOption}

	// VolumeSnapshotCleanOption is the delete selector for VolumeSnapshots.
	VolumeSnapshotCleanOption = utilclient.ListWith{&NoCleanupPreventionListOption}

	// VolumeSnapshotContentCleanOption is the delete selector for VolumeSnapshotContents.
	VolumeSnapshotContentCleanOption = utilclient.ListWith{&NoCleanupPreventionListOption}
)
View Source 
var (
	// NodeAgentOSCSecretFn is a function for computing the operating system config secret for gardener-node-agent.
	NodeAgentOSCSecretFn = nodeagent.OperatingSystemConfigSecret
	// NodeAgentRBACResourcesDataFn is a function for generating the RBAC resources data map for the
	// gardener-node-agent.
	NodeAgentRBACResourcesDataFn = nodeagent.RBACResourcesData
)

exposed for testing

View Source 
var (
	// IntervalWaitOperatingSystemConfigUpdated is the interval when waiting until the operating system config was
	// updated for all worker pools.
	IntervalWaitOperatingSystemConfigUpdated = 5 * time.Second
	// GetTimeoutWaitOperatingSystemConfigUpdated retrieves the timeout when waiting until the operating system config
	// was updated for all worker pools.
	GetTimeoutWaitOperatingSystemConfigUpdated = getTimeoutWaitOperatingSystemConfigUpdated
)

exposed for testing

View Source 
var NewEtcd = etcd.New

NewEtcd is a function exposed for testing.

View Source 
var NewEtcdCopyBackupsTask = etcdcopybackupstask.New

NewEtcdCopyBackupsTask is a function exposed for testing.

View Source 
var NowFunc = time.Now

NowFunc is a function returning the current time. Exposed for testing.

View Source 
var SetupPortForwarder = kubernetes.SetupPortForwarder

SetupPortForwarder is an alias for kubernetes.SetupPortForwarder, exposed for testing

Functions

func CalculateMaxNodesForShoot added in v1.94.0 

func CalculateMaxNodesForShoot(shoot *gardencorev1beta1.Shoot) (*int64, error)

CalculateMaxNodesForShoot returns the maximum number of nodes the shoot supports. Function returns nil if there is no limitation.

func CheckTunnelConnection 

func CheckTunnelConnection(ctx context.Context, log logr.Logger, shootClient kubernetes.Interface, tunnelName string) (bool, error)

CheckTunnelConnection checks if the tunnel connection between the control plane and the shoot networks is established.

func CleanVolumeAttachments 

func CleanVolumeAttachments(ctx context.Context, c client.Client) error

CleanVolumeAttachments cleans up all VolumeAttachments in the cluster, waits for them to be gone and finalizes any remaining ones after five minutes.

func ExtractZonesFromNodeSelectorTerm 

func ExtractZonesFromNodeSelectorTerm(term corev1.NodeSelectorTerm) []string

ExtractZonesFromNodeSelectorTerm extracts the zones from given term.

func OperatingSystemConfigUpdatedForAllWorkerPools 

func OperatingSystemConfigUpdatedForAllWorkerPools(
	workers []gardencorev1beta1.Worker,
	workerPoolToNodes map[string][]corev1.Node,
	workerPoolToOperatingSystemConfigSecretMeta map[string]metav1.ObjectMeta,
) error

OperatingSystemConfigUpdatedForAllWorkerPools checks if all the nodes for all the provided worker pools have successfully applied the desired version of their cloud-config user data.

func WorkerPoolToNodesMap 

func WorkerPoolToNodesMap(ctx context.Context, shootClient client.Client) (map[string][]corev1.Node, error)

WorkerPoolToNodesMap lists all the nodes with the given client in the shoot cluster. It returns a map whose key is the name of a worker pool and whose values are the corresponding nodes.

func WorkerPoolToOperatingSystemConfigSecretMetaMap 

func WorkerPoolToOperatingSystemConfigSecretMetaMap(ctx context.Context, shootClient client.Client, roleValue string) (map[string]metav1.ObjectMeta, error)

WorkerPoolToOperatingSystemConfigSecretMetaMap lists all the cloud-config secrets with the given client in the shoot cluster. It returns a map whose key is the name of a worker pool and whose values are the corresponding metadata of the cloud-config script stored inside the secret's data.

Types

type Botanist 

type Botanist struct {
	*operation.Operation
	DefaultDomainSecret *corev1.Secret
}

Botanist is a struct which has methods that perform cloud-independent operations for a Shoot cluster.

func New 

func New(ctx context.Context, o *operation.Operation) (*Botanist, error)

New takes an operation object <o> and creates a new Botanist object. It checks whether the given Shoot DNS domain is covered by a default domain, and if so, it sets the <DefaultDomainSecret> attribute on the Botanist object.

func (*Botanist) CleanExtendedAPIs 

func (b *Botanist) CleanExtendedAPIs(ctx context.Context) error

CleanExtendedAPIs removes API extensions like CRDs and API services from the Shoot cluster.

func (*Botanist) CleanKubernetesResources 

func (b *Botanist) CleanKubernetesResources(ctx context.Context) error

CleanKubernetesResources deletes all the Kubernetes resources in the Shoot cluster other than those stored in the exceptions map. It will check whether all the Kubernetes resources in the Shoot cluster other than those stored in the exceptions map have been deleted. It will return an error in case it has not finished yet, and nil if all resources are gone.

func (*Botanist) CleanWebhooks 

func (b *Botanist) CleanWebhooks(ctx context.Context) error

CleanWebhooks deletes all Webhooks in the Shoot cluster that are not being managed by the addon manager.

func (*Botanist) DefaultAPIServerProxy 

func (b *Botanist) DefaultAPIServerProxy() (apiserverproxy.Interface, error)

DefaultAPIServerProxy returns a deployer for the apiserver-proxy.

func (*Botanist) DefaultAlertmanager 

func (b *Botanist) DefaultAlertmanager() (alertmanager.Interface, error)

DefaultAlertmanager creates a new alertmanager deployer.

func (*Botanist) DefaultBlackboxExporter 

func (b *Botanist) DefaultBlackboxExporter() (blackboxexporter.Interface, error)

DefaultBlackboxExporter returns a deployer for the blackbox-exporter.

func (*Botanist) DefaultClusterAutoscaler 

func (b *Botanist) DefaultClusterAutoscaler() (clusterautoscaler.Interface, error)

DefaultClusterAutoscaler returns a deployer for the cluster-autoscaler.

func (*Botanist) DefaultClusterIdentity 

func (b *Botanist) DefaultClusterIdentity() clusteridentity.Interface

DefaultClusterIdentity returns a deployer for the shoot's cluster-identity.

func (*Botanist) DefaultContainerRuntime 

func (b *Botanist) DefaultContainerRuntime() containerruntime.Interface

DefaultContainerRuntime creates the default deployer for the ContainerRuntime custom resource.

func (*Botanist) DefaultControlPlane 

func (b *Botanist) DefaultControlPlane(purpose extensionsv1alpha1.Purpose) extensionscontrolplane.Interface

DefaultControlPlane creates the default deployer for the ControlPlane custom resource with the given purpose.

func (*Botanist) DefaultCoreBackupEntry 

func (b *Botanist) DefaultCoreBackupEntry() corebackupentry.Interface

DefaultCoreBackupEntry creates the default deployer for the core.gardener.cloud/v1beta1.BackupEntry resource.

func (*Botanist) DefaultCoreDNS 

func (b *Botanist) DefaultCoreDNS() (coredns.Interface, error)

DefaultCoreDNS returns a deployer for the CoreDNS.

func (*Botanist) DefaultDependencyWatchdogAccess 

func (b *Botanist) DefaultDependencyWatchdogAccess() component.Deployer

DefaultDependencyWatchdogAccess returns an instance of the Deployer which reconciles the resources so that DependencyWatchdogAccess can access a shoot cluster.

func (*Botanist) DefaultEtcd 

func (b *Botanist) DefaultEtcd(role string, class etcd.Class) (etcd.Interface, error)

DefaultEtcd returns a deployer for the etcd.

func (*Botanist) DefaultEtcdCopyBackupsTask 

func (b *Botanist) DefaultEtcdCopyBackupsTask() etcdcopybackupstask.Interface

DefaultEtcdCopyBackupsTask creates the default deployer for the EtcdCopyBackupsTask resource.

func (*Botanist) DefaultEventLogger 

func (b *Botanist) DefaultEventLogger() (component.Deployer, error)

DefaultEventLogger returns a deployer for the shoot-event-logger.

func (*Botanist) DefaultExtension 

func (b *Botanist) DefaultExtension(ctx context.Context) (extension.Interface, error)

DefaultExtension creates the default deployer for the Extension custom resources.

func (*Botanist) DefaultExternalDNSRecord 

func (b *Botanist) DefaultExternalDNSRecord() extensionsdnsrecord.Interface

DefaultExternalDNSRecord creates the default deployer for the external DNSRecord resource.

func (*Botanist) DefaultGardenerAccess 

func (b *Botanist) DefaultGardenerAccess() component.Deployer

DefaultGardenerAccess returns an instance of the Deployer which reconciles the resources so that GardenerAccess can access a shoot cluster.

func (*Botanist) DefaultInfrastructure 

func (b *Botanist) DefaultInfrastructure() infrastructure.Interface

DefaultInfrastructure creates the default deployer for the Infrastructure custom resource.

func (*Botanist) DefaultIngressDNSRecord 

func (b *Botanist) DefaultIngressDNSRecord() extensionsdnsrecord.Interface

DefaultIngressDNSRecord creates the default deployer for the ingress DNSRecord resource.

func (*Botanist) DefaultInternalDNSRecord 

func (b *Botanist) DefaultInternalDNSRecord() extensionsdnsrecord.Interface

DefaultInternalDNSRecord creates the default deployer for the internal DNSRecord resource.

func (*Botanist) DefaultKubeAPIServer 

func (b *Botanist) DefaultKubeAPIServer(ctx context.Context) (kubeapiserver.Interface, error)

DefaultKubeAPIServer returns a deployer for the kube-apiserver.

func (*Botanist) DefaultKubeAPIServerIngress 

func (b *Botanist) DefaultKubeAPIServerIngress() component.Deployer

DefaultKubeAPIServerIngress returns a deployer for the kube-apiserver ingress.

func (*Botanist) DefaultKubeAPIServerSNI 

func (b *Botanist) DefaultKubeAPIServerSNI() component.DeployWaiter

DefaultKubeAPIServerSNI returns a deployer for the kube-apiserver SNI.

func (*Botanist) DefaultKubeAPIServerService 

func (b *Botanist) DefaultKubeAPIServerService() component.DeployWaiter

DefaultKubeAPIServerService returns a deployer for the kube-apiserver service.

func (*Botanist) DefaultKubeControllerManager 

func (b *Botanist) DefaultKubeControllerManager() (kubecontrollermanager.Interface, error)

DefaultKubeControllerManager returns a deployer for the kube-controller-manager.

func (*Botanist) DefaultKubeProxy 

func (b *Botanist) DefaultKubeProxy() (kubeproxy.Interface, error)

DefaultKubeProxy returns a deployer for the kube-proxy.

func (*Botanist) DefaultKubeScheduler 

func (b *Botanist) DefaultKubeScheduler() (kubescheduler.Interface, error)

DefaultKubeScheduler returns a deployer for the kube-scheduler.

func (*Botanist) DefaultKubeStateMetrics 

func (b *Botanist) DefaultKubeStateMetrics() (kubestatemetrics.Interface, error)

DefaultKubeStateMetrics returns a deployer for the kube-state-metrics.

func (*Botanist) DefaultKubernetesDashboard 

func (b *Botanist) DefaultKubernetesDashboard() (kubernetesdashboard.Interface, error)

DefaultKubernetesDashboard returns a deployer for kubernetes-dashboard.

func (*Botanist) DefaultMachineControllerManager 

func (b *Botanist) DefaultMachineControllerManager(ctx context.Context) (machinecontrollermanager.Interface, error)

DefaultMachineControllerManager returns a deployer for the machine-controller-manager.

func (*Botanist) DefaultMetricsServer 

func (b *Botanist) DefaultMetricsServer() (component.DeployWaiter, error)

DefaultMetricsServer returns a deployer for the metrics-server.

func (*Botanist) DefaultMonitoring 

func (b *Botanist) DefaultMonitoring() (monitoring.Interface, error)

DefaultMonitoring creates a new monitoring component.

func (*Botanist) DefaultNetwork 

func (b *Botanist) DefaultNetwork() component.DeployMigrateWaiter

DefaultNetwork creates the default deployer for the Network custom resource.

func (*Botanist) DefaultNginxIngress 

func (b *Botanist) DefaultNginxIngress() (component.DeployWaiter, error)

DefaultNginxIngress returns a deployer for the nginxingress.

func (*Botanist) DefaultNodeExporter 

func (b *Botanist) DefaultNodeExporter() (nodeexporter.Interface, error)

DefaultNodeExporter returns a deployer for the NodeExporter.

func (*Botanist) DefaultNodeLocalDNS 

func (b *Botanist) DefaultNodeLocalDNS() (nodelocaldns.Interface, error)

DefaultNodeLocalDNS returns a deployer for the node-local-dns.

func (*Botanist) DefaultNodeProblemDetector 

func (b *Botanist) DefaultNodeProblemDetector() (component.DeployWaiter, error)

DefaultNodeProblemDetector returns a deployer for the NodeProblemDetector.

func (*Botanist) DefaultOperatingSystemConfig 

func (b *Botanist) DefaultOperatingSystemConfig() (operatingsystemconfig.Interface, error)

DefaultOperatingSystemConfig creates the default deployer for the OperatingSystemConfig custom resource.

func (*Botanist) DefaultPlutono 

func (b *Botanist) DefaultPlutono() (plutono.Interface, error)

DefaultPlutono returns a deployer for Plutono.

func (*Botanist) DefaultResourceManager 

func (b *Botanist) DefaultResourceManager() (resourcemanager.Interface, error)

DefaultResourceManager returns an instance of Gardener Resource Manager with defaults configured for being deployed in a Shoot namespace

func (*Botanist) DefaultShootNamespaces 

func (b *Botanist) DefaultShootNamespaces() component.DeployWaiter

DefaultShootNamespaces returns a deployer for the shoot namespaces.

func (*Botanist) DefaultShootSystem 

func (b *Botanist) DefaultShootSystem() shootsystem.Interface

DefaultShootSystem returns a deployer for the shoot system resources.

func (*Botanist) DefaultVPNSeedServer 

func (b *Botanist) DefaultVPNSeedServer() (vpnseedserver.Interface, error)

DefaultVPNSeedServer returns a deployer for the vpn-seed-server.

func (*Botanist) DefaultVPNShoot 

func (b *Botanist) DefaultVPNShoot() (vpnshoot.Interface, error)

DefaultVPNShoot returns a deployer for the VPNShoot

func (*Botanist) DefaultVali 

func (b *Botanist) DefaultVali() (vali.Interface, error)

DefaultVali returns a deployer for Vali.

func (*Botanist) DefaultVerticalPodAutoscaler 

func (b *Botanist) DefaultVerticalPodAutoscaler() (vpa.Interface, error)

DefaultVerticalPodAutoscaler returns a deployer for the Kubernetes Vertical Pod Autoscaler.

func (*Botanist) DefaultWorker 

func (b *Botanist) DefaultWorker() worker.Interface

DefaultWorker creates the default deployer for the Worker custom resource.

func (*Botanist) DeleteBastions 

func (b *Botanist) DeleteBastions(ctx context.Context) error

DeleteBastions deletes all bastions from the Shoot namespace in the Seed.

func (*Botanist) DeleteKubeAPIServer 

func (b *Botanist) DeleteKubeAPIServer(ctx context.Context) error

DeleteKubeAPIServer deletes the kube-apiserver deployment in the Seed cluster which holds the Shoot's control plane.

func (*Botanist) DeleteManagedResources 

func (b *Botanist) DeleteManagedResources(ctx context.Context) error

DeleteManagedResources deletes all managed resources labeled with `origin=gardener` from the Shoot namespace in the Seed.

func (*Botanist) DeletePublicServiceAccountKeys added in v1.91.0 

func (b *Botanist) DeletePublicServiceAccountKeys(ctx context.Context) error

DeletePublicServiceAccountKeys deletes the secret containing the public info of the shoot's service account issuer from the gardener-system-shoot-issuer namespace in the Garden cluster.

func (*Botanist) DeleteSeedNamespace 

func (b *Botanist) DeleteSeedNamespace(ctx context.Context) error

DeleteSeedNamespace deletes the namespace in the Seed cluster which holds the control plane components. The built-in garbage collection in Kubernetes will automatically delete all resources which belong to this namespace. This comprises volumes and load balancers as well.

func (*Botanist) DeployAPIServerProxy 

func (b *Botanist) DeployAPIServerProxy(ctx context.Context) error

DeployAPIServerProxy deploys the apiserver-proxy.

func (*Botanist) DeployAlertManager 

func (b *Botanist) DeployAlertManager(ctx context.Context) error

DeployAlertManager reconciles the shoot alert manager.

func (*Botanist) DeployBackupEntry 

func (b *Botanist) DeployBackupEntry(ctx context.Context) error

DeployBackupEntry deploys the BackupEntry resource in the Garden cluster and triggers the restore operation in case the Shoot is in the restore phase of the control plane migration.

func (*Botanist) DeployCloudProviderSecret 

func (b *Botanist) DeployCloudProviderSecret(ctx context.Context) error

DeployCloudProviderSecret creates or updates the cloud provider secret in the Shoot namespace in the Seed cluster.

func (*Botanist) DeployClusterAutoscaler 

func (b *Botanist) DeployClusterAutoscaler(ctx context.Context) error

DeployClusterAutoscaler deploys the Kubernetes cluster-autoscaler.

func (*Botanist) DeployClusterIdentity 

func (b *Botanist) DeployClusterIdentity(ctx context.Context) error

DeployClusterIdentity deploys the shoot's cluster-identity.

func (*Botanist) DeployContainerRuntime 

func (b *Botanist) DeployContainerRuntime(ctx context.Context) error

DeployContainerRuntime deploys the ContainerRuntime custom resources and triggers the restore operation in case the Shoot is in the restore phase of the control plane migration

func (*Botanist) DeployControlPlane 

func (b *Botanist) DeployControlPlane(ctx context.Context) error

DeployControlPlane deploys or restores the ControlPlane custom resource (purpose normal).

func (*Botanist) DeployControlPlaneExposure 

func (b *Botanist) DeployControlPlaneExposure(ctx context.Context) error

DeployControlPlaneExposure deploys or restores the ControlPlane custom resource (purpose exposure).

func (*Botanist) DeployCoreDNS 

func (b *Botanist) DeployCoreDNS(ctx context.Context) error

DeployCoreDNS deploys the CoreDNS system component.

func (*Botanist) DeployDependencyWatchdogAccess 

func (b *Botanist) DeployDependencyWatchdogAccess(ctx context.Context) error

DeployDependencyWatchdogAccess deploys the DependencyWatchdogAccess resources.

func (*Botanist) DeployEtcd 

func (b *Botanist) DeployEtcd(ctx context.Context) error

DeployEtcd deploys the etcd main and events.

func (*Botanist) DeployEtcdCopyBackupsTask 

func (b *Botanist) DeployEtcdCopyBackupsTask(ctx context.Context) error

DeployEtcdCopyBackupsTask sets the target and destination object stores of the EtcdCopyBackupsTask resource and deploys it.

func (*Botanist) DeployExtensionsAfterKubeAPIServer 

func (b *Botanist) DeployExtensionsAfterKubeAPIServer(ctx context.Context) error

DeployExtensionsAfterKubeAPIServer deploys the Extension custom resources and triggers the restore operation in case the Shoot is in the restore phase of the control plane migration.

func (*Botanist) DeployExtensionsAfterWorker added in v1.92.0 

func (b *Botanist) DeployExtensionsAfterWorker(ctx context.Context) error

DeployExtensionsAfterWorker deploys the Extension custom resources and triggers the restore operation in case the Shoot is in the restore phase of the control plane migration.

func (*Botanist) DeployExtensionsBeforeKubeAPIServer 

func (b *Botanist) DeployExtensionsBeforeKubeAPIServer(ctx context.Context) error

DeployExtensionsBeforeKubeAPIServer deploys the Extension custom resources and triggers the restore operation in case the Shoot is in the restore phase of the control plane migration.

func (*Botanist) DeployGardenerResourceManager 

func (b *Botanist) DeployGardenerResourceManager(ctx context.Context) error

DeployGardenerResourceManager deploys the gardener-resource-manager

func (*Botanist) DeployInfrastructure 

func (b *Botanist) DeployInfrastructure(ctx context.Context) error

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 (*Botanist) DeployKubeAPIServer 

func (b *Botanist) DeployKubeAPIServer(ctx context.Context) error

DeployKubeAPIServer deploys the Kubernetes API server.

func (*Botanist) DeployKubeAPIServerIngress 

func (b *Botanist) DeployKubeAPIServerIngress(ctx context.Context) error

DeployKubeAPIServerIngress deploys the ingress for the kube-apiserver.

func (*Botanist) DeployKubeAPIServerSNI 

func (b *Botanist) DeployKubeAPIServerSNI(ctx context.Context) error

DeployKubeAPIServerSNI deploys the kube-apiserver SNI resources.

func (*Botanist) DeployKubeControllerManager 

func (b *Botanist) DeployKubeControllerManager(ctx context.Context) error

DeployKubeControllerManager deploys the Kubernetes Controller Manager.

func (*Botanist) DeployKubeProxy 

func (b *Botanist) DeployKubeProxy(ctx context.Context) error

DeployKubeProxy deploys the kube-proxy.

func (*Botanist) DeployKubeStateMetrics 

func (b *Botanist) DeployKubeStateMetrics(ctx context.Context) error

DeployKubeStateMetrics deploys or destroys the kube-state-metrics to the shoot namespace in the seed.

func (*Botanist) DeployKubernetesDashboard 

func (b *Botanist) DeployKubernetesDashboard(ctx context.Context) error

DeployKubernetesDashboard deploys the Kubernetes Dashboard component.

func (*Botanist) DeployLogging 

func (b *Botanist) DeployLogging(ctx context.Context) error

DeployLogging will install the logging stack for the Shoot in the Seed clusters.

func (*Botanist) DeployMachineControllerManager 

func (b *Botanist) DeployMachineControllerManager(ctx context.Context) error

DeployMachineControllerManager deploys the machine-controller-manager.

func (*Botanist) DeployManagedResourceForGardenerNodeAgent 

func (b *Botanist) DeployManagedResourceForGardenerNodeAgent(ctx context.Context) error

DeployManagedResourceForGardenerNodeAgent creates the ManagedResource that contains: - A secret containing the raw original OperatingSystemConfig for each worker pool. - A secret containing some shared RBAC resources for downloading the OSC secrets + bootstrapping the node.

func (*Botanist) DeployMonitoring 

func (b *Botanist) DeployMonitoring(ctx context.Context) error

DeployMonitoring installs the Helm release "seed-monitoring" in the Seed clusters. It comprises components to monitor the Shoot cluster whose control plane runs in the Seed cluster.

func (*Botanist) DeployNetwork 

func (b *Botanist) DeployNetwork(ctx context.Context) error

DeployNetwork deploys the Network custom resource and triggers the restore operation in case the Shoot is in the restore phase of the control plane migration

func (*Botanist) DeployNginxIngressAddon 

func (b *Botanist) DeployNginxIngressAddon(ctx context.Context) error

DeployNginxIngressAddon deploys the NginxIngress Addon component.

func (*Botanist) DeployOperatingSystemConfig 

func (b *Botanist) DeployOperatingSystemConfig(ctx context.Context) error

DeployOperatingSystemConfig deploys the OperatingSystemConfig custom resource and triggers the restore operation in case the Shoot is in the restore phase of the control plane migration.

func (*Botanist) DeployOrDestroyExternalDNSRecord 

func (b *Botanist) DeployOrDestroyExternalDNSRecord(ctx context.Context) error

DeployOrDestroyExternalDNSRecord deploys, restores, or destroys the external DNSRecord and waits for the operation to complete.

func (*Botanist) DeployOrDestroyIngressDNSRecord 

func (b *Botanist) DeployOrDestroyIngressDNSRecord(ctx context.Context) error

DeployOrDestroyIngressDNSRecord deploys, restores, or destroys the ingress DNSRecord and waits for the operation to complete.

func (*Botanist) DeployOrDestroyInternalDNSRecord 

func (b *Botanist) DeployOrDestroyInternalDNSRecord(ctx context.Context) error

DeployOrDestroyInternalDNSRecord deploys, restores, or destroys the internal DNSRecord and waits for the operation to complete.

func (*Botanist) DeployPlutono 

func (b *Botanist) DeployPlutono(ctx context.Context) error

DeployPlutono deploys the plutono in the Seed cluster.

func (*Botanist) DeployReferencedResources 

func (b *Botanist) DeployReferencedResources(ctx context.Context) error

DeployReferencedResources reads all referenced resources from the Garden cluster and writes a managed resource to the Seed cluster.

func (*Botanist) DeploySeedNamespace 

func (b *Botanist) DeploySeedNamespace(ctx context.Context) error

DeploySeedNamespace creates a namespace in the Seed cluster which is used to deploy all the control plane components for the Shoot cluster. Moreover, the cloud provider configuration and all the secrets will be stored as ConfigMaps/Secrets.

func (*Botanist) DeployShootSystem 

func (b *Botanist) DeployShootSystem(ctx context.Context) error

DeployShootSystem deploys the shoot system resources.

func (*Botanist) DeploySourceBackupEntry 

func (b *Botanist) DeploySourceBackupEntry(ctx context.Context) error

DeploySourceBackupEntry deploys the source BackupEntry and sets its bucketName to be equal to the bucketName of the shoot's original BackupEntry if the source BackupEntry doesn't already exist.

func (*Botanist) DeployVPNServer 

func (b *Botanist) DeployVPNServer(ctx context.Context) error

DeployVPNServer deploys the vpn-seed-server.

func (*Botanist) DeployVerticalPodAutoscaler 

func (b *Botanist) DeployVerticalPodAutoscaler(ctx context.Context) error

DeployVerticalPodAutoscaler deploys or destroys the VPA to the shoot namespace in the seed.

func (*Botanist) DeployWorker 

func (b *Botanist) DeployWorker(ctx context.Context) error

DeployWorker deploys the Worker custom resource and triggers the restore operation in case the Shoot is in the restore phase of the control plane migration

func (*Botanist) DestroyDNSRecords 

func (b *Botanist) DestroyDNSRecords(ctx context.Context) error

DestroyDNSRecords deletes all DNSRecord resources from the Shoot namespace.

func (*Botanist) DestroyEtcd 

func (b *Botanist) DestroyEtcd(ctx context.Context) error

DestroyEtcd destroys the etcd main and events.

func (*Botanist) DestroyExtensionResourcesInParallel 

func (b *Botanist) DestroyExtensionResourcesInParallel(ctx context.Context) error

DestroyExtensionResourcesInParallel deletes extension CRs from the Shoot namespace. CRs with kind "Extension" are handled separately and are not deleted by this function.

func (*Botanist) DestroyExternalDNSRecord 

func (b *Botanist) DestroyExternalDNSRecord(ctx context.Context) error

DestroyExternalDNSRecord destroys the external DNSRecord and waits for the operation to complete.

func (*Botanist) DestroyIngressDNSRecord 

func (b *Botanist) DestroyIngressDNSRecord(ctx context.Context) error

DestroyIngressDNSRecord destroys the ingress DNSRecord and waits for the operation to complete.

func (*Botanist) DestroyInternalDNSRecord 

func (b *Botanist) DestroyInternalDNSRecord(ctx context.Context) error

DestroyInternalDNSRecord destroys the internal DNSRecord and waits for the operation to complete.

func (*Botanist) DestroyReferencedResources 

func (b *Botanist) DestroyReferencedResources(ctx context.Context) error

DestroyReferencedResources deletes the managed resource containing referenced resources from the Seed cluster.

func (*Botanist) DestroySeedLogging 

func (b *Botanist) DestroySeedLogging(ctx context.Context) error

DestroySeedLogging will uninstall the logging stack for the Shoot in the Seed clusters.

func (*Botanist) DestroySourceBackupEntry 

func (b *Botanist) DestroySourceBackupEntry(ctx context.Context) error

DestroySourceBackupEntry destroys the source BackupEntry.

func (*Botanist) EnsureShootClusterIdentity 

func (b *Botanist) EnsureShootClusterIdentity(ctx context.Context) error

EnsureShootClusterIdentity ensures that Shoot's `status.clusterIdentity` field is set and updates the Cluster resource in the seed if necessary.

func (*Botanist) HibernateControlPlane 

func (b *Botanist) HibernateControlPlane(ctx context.Context) error

HibernateControlPlane hibernates the entire control plane if the shoot shall be hibernated.

func (*Botanist) InitializeSecretsManagement 

func (b *Botanist) InitializeSecretsManagement(ctx context.Context) error

InitializeSecretsManagement initializes the secrets management and deploys the required secrets to the shoot namespace in the seed.

func (*Botanist) IsCopyOfBackupsRequired 

func (b *Botanist) IsCopyOfBackupsRequired(ctx context.Context) (bool, error)

IsCopyOfBackupsRequired check if etcd backups need to be copied between seeds.

func (*Botanist) IsRestorePhase 

func (b *Botanist) IsRestorePhase() bool

IsRestorePhase returns true when the shoot is in phase 'restore'.

func (*Botanist) KeepObjectsForManagedResources 

func (b *Botanist) KeepObjectsForManagedResources(ctx context.Context) error

KeepObjectsForManagedResources sets ManagedResource.Spec.KeepObjects to true.

func (*Botanist) MigrateAlertManager 

func (b *Botanist) MigrateAlertManager(ctx context.Context) error

MigrateAlertManager migrate the shoot alert manager to prometheus-operator. TODO(rfranzke): Remove this function after v1.93 has been released.

func (*Botanist) MigrateExtensionResourcesInParallel 

func (b *Botanist) MigrateExtensionResourcesInParallel(ctx context.Context) (err error)

MigrateExtensionResourcesInParallel migrates extension CRs. CRs with kind "Extension" are handled separately and are not migrated by this function.

func (*Botanist) MigrateExternalDNSRecord 

func (b *Botanist) MigrateExternalDNSRecord(ctx context.Context) error

MigrateExternalDNSRecord migrates the external DNSRecord and waits for the operation to complete.

func (*Botanist) MigrateIngressDNSRecord 

func (b *Botanist) MigrateIngressDNSRecord(ctx context.Context) error

MigrateIngressDNSRecord migrates the ingress DNSRecord and waits for the operation to complete.

func (*Botanist) MigrateInternalDNSRecord 

func (b *Botanist) MigrateInternalDNSRecord(ctx context.Context) error

MigrateInternalDNSRecord migrates the internal DNSRecord and waits for the operation to complete.

func (*Botanist) NeedsExternalDNS 

func (b *Botanist) NeedsExternalDNS() bool

NeedsExternalDNS returns true if the Shoot cluster needs external DNS.

func (*Botanist) NeedsIngressDNS 

func (b *Botanist) NeedsIngressDNS() bool

NeedsIngressDNS returns true if the Shoot cluster needs ingress DNS.

func (*Botanist) NeedsInternalDNS 

func (b *Botanist) NeedsInternalDNS() bool

NeedsInternalDNS returns true if the Shoot cluster needs internal DNS.

func (*Botanist) ReconcileBlackboxExporter 

func (b *Botanist) ReconcileBlackboxExporter(ctx context.Context) error

ReconcileBlackboxExporter deploys or destroys the blackbox-exporter component depending on whether shoot monitoring is enabled or not.

func (*Botanist) ReconcileNodeExporter 

func (b *Botanist) ReconcileNodeExporter(ctx context.Context) error

ReconcileNodeExporter deploys or destroys the node-exporter component depending on whether shoot monitoring is enabled or not.

func (*Botanist) ReconcileNodeLocalDNS 

func (b *Botanist) ReconcileNodeLocalDNS(ctx context.Context) error

ReconcileNodeLocalDNS deploys or destroys the node-local-dns component depending on whether it is enabled for the Shoot.

func (*Botanist) RequiredExtensionsReady 

func (b *Botanist) RequiredExtensionsReady(ctx context.Context) error

RequiredExtensionsReady checks whether all required extensions needed for a shoot operation exist and are ready.

func (*Botanist) RestartControlPlanePods 

func (b *Botanist) RestartControlPlanePods(ctx context.Context) error

RestartControlPlanePods restarts (deletes) pods of the shoot control plane.

func (*Botanist) RestoreControlPlane 

func (b *Botanist) RestoreControlPlane(ctx context.Context) error

RestoreControlPlane restores the ControlPlane custom resource (purpose normal)

func (*Botanist) ScaleClusterAutoscalerToZero 

func (b *Botanist) ScaleClusterAutoscalerToZero(ctx context.Context) error

ScaleClusterAutoscalerToZero scales cluster-autoscaler replicas to zero.

func (*Botanist) ScaleETCDToZero 

func (b *Botanist) ScaleETCDToZero(ctx context.Context) error

ScaleETCDToZero scales ETCD main and events replicas to zero.

func (*Botanist) ScaleGardenerResourceManagerToOne 

func (b *Botanist) ScaleGardenerResourceManagerToOne(ctx context.Context) error

ScaleGardenerResourceManagerToOne scales the gardener-resource-manager deployment

func (*Botanist) ScaleKubeAPIServerToOne 

func (b *Botanist) ScaleKubeAPIServerToOne(ctx context.Context) error

ScaleKubeAPIServerToOne scales kube-apiserver replicas to one.

func (*Botanist) ScaleKubeControllerManagerToOne 

func (b *Botanist) ScaleKubeControllerManagerToOne(ctx context.Context) error

ScaleKubeControllerManagerToOne scales kube-controller-manager replicas to one.

func (*Botanist) ScaleMachineControllerManagerToZero 

func (b *Botanist) ScaleMachineControllerManagerToZero(ctx context.Context) error

ScaleMachineControllerManagerToZero scales machine-controller-manager replicas to zero.

func (*Botanist) ScaleUpETCD 

func (b *Botanist) ScaleUpETCD(ctx context.Context) error

ScaleUpETCD scales ETCD main and events replicas to the configured replica count.

func (*Botanist) SetNginxIngressAddress 

func (b *Botanist) SetNginxIngressAddress(address string)

SetNginxIngressAddress sets the IP address of the API server's LoadBalancer.

func (*Botanist) ShallowDeleteMachineResources 

func (b *Botanist) ShallowDeleteMachineResources(ctx context.Context) error

ShallowDeleteMachineResources deletes all machine-related resources by forcefully removing their finalizers.

func (*Botanist) ShootUsesDNS 

func (b *Botanist) ShootUsesDNS() bool

ShootUsesDNS returns true if the shoot uses internal and external DNS.

func (*Botanist) SnapshotEtcd 

func (b *Botanist) SnapshotEtcd(ctx context.Context) error

SnapshotEtcd executes into the etcd-main pod and triggers a full snapshot.

func (*Botanist) SourceBackupEntry 

func (b *Botanist) SourceBackupEntry() corebackupentry.Interface

SourceBackupEntry creates a deployer for a core.gardener.cloud/v1beta1.BackupEntry resource which will be used as source when copying etcd backups.

func (*Botanist) SyncPublicServiceAccountKeys added in v1.91.0 

func (b *Botanist) SyncPublicServiceAccountKeys(ctx context.Context) error

SyncPublicServiceAccountKeys retrieves the responses of /.well-known/openid-configuration and /openid/v1/jwks from the shoot kube-apiserver and writes them in a secret in the gardener-system-shoot-issuer namespace in the Garden cluster.

func (*Botanist) ToAdvertisedAddresses added in v1.91.0 

func (b *Botanist) ToAdvertisedAddresses() ([]gardencorev1beta1.ShootAdvertisedAddress, error)

ToAdvertisedAddresses returns list of advertised addresses on a Shoot cluster.

func (*Botanist) UpdateAdvertisedAddresses added in v1.91.0 

func (b *Botanist) UpdateAdvertisedAddresses(ctx context.Context) error

UpdateAdvertisedAddresses updates the shoot.status.advertisedAddresses with the list of addresses on which the API server of the shoot is accessible.

func (*Botanist) WaitForInfrastructure 

func (b *Botanist) WaitForInfrastructure(ctx context.Context) error

WaitForInfrastructure waits until the infrastructure reconciliation has finished and extracts the provider status out of it.

func (*Botanist) WaitForKubeControllerManagerToBeActive 

func (b *Botanist) WaitForKubeControllerManagerToBeActive(ctx context.Context) error

WaitForKubeControllerManagerToBeActive waits for the kube controller manager of a Shoot cluster has acquired leader election, thus is active.

func (*Botanist) WaitUntilEndpointsDoNotContainPodIPs 

func (b *Botanist) WaitUntilEndpointsDoNotContainPodIPs(ctx context.Context) error

WaitUntilEndpointsDoNotContainPodIPs waits until all endpoints in the shoot cluster to not contain any IPs from the Shoot's PodCIDR.

func (*Botanist) WaitUntilEtcdsDeleted 

func (b *Botanist) WaitUntilEtcdsDeleted(ctx context.Context) error

WaitUntilEtcdsDeleted waits until both etcd-main and etcd-events are deleted.

func (*Botanist) WaitUntilEtcdsReady 

func (b *Botanist) WaitUntilEtcdsReady(ctx context.Context) error

WaitUntilEtcdsReady waits until both etcd-main and etcd-events are ready.

func (*Botanist) WaitUntilExtensionResourcesDeleted 

func (b *Botanist) WaitUntilExtensionResourcesDeleted(ctx context.Context) error

WaitUntilExtensionResourcesDeleted waits until extension CRs have been deleted from the Shoot namespace. CRs with kind "Extension" are handled separately and are not waited by this function.

func (*Botanist) WaitUntilExtensionResourcesMigrated 

func (b *Botanist) WaitUntilExtensionResourcesMigrated(ctx context.Context) error

WaitUntilExtensionResourcesMigrated waits until extension CRs have been successfully migrated. CRs with kind "Extension" are handled separately and are not waited by this function.

func (*Botanist) WaitUntilManagedResourcesDeleted 

func (b *Botanist) WaitUntilManagedResourcesDeleted(ctx context.Context) error

WaitUntilManagedResourcesDeleted waits until all managed resources labeled with `origin=gardener` are gone or the context is cancelled.

func (*Botanist) WaitUntilNginxIngressServiceIsReady 

func (b *Botanist) WaitUntilNginxIngressServiceIsReady(ctx context.Context) error

WaitUntilNginxIngressServiceIsReady waits until the external load balancer of the nginx ingress controller has been created.

func (*Botanist) WaitUntilNoPodRunning 

func (b *Botanist) WaitUntilNoPodRunning(ctx context.Context) error

WaitUntilNoPodRunning waits until there is no running Pod in the shoot cluster.

func (*Botanist) WaitUntilNodesDeleted 

func (b *Botanist) WaitUntilNodesDeleted(ctx context.Context) error

WaitUntilNodesDeleted waits until no nodes exist in the shoot cluster anymore.

func (*Botanist) WaitUntilOperatingSystemConfigUpdatedForAllWorkerPools 

func (b *Botanist) WaitUntilOperatingSystemConfigUpdatedForAllWorkerPools(ctx context.Context) error

WaitUntilOperatingSystemConfigUpdatedForAllWorkerPools waits for a maximum of 6 minutes until all the nodes for all the worker pools in the Shoot have successfully applied the desired version of their operating system config.

func (*Botanist) WaitUntilRequiredExtensionsReady 

func (b *Botanist) WaitUntilRequiredExtensionsReady(ctx context.Context) error

WaitUntilRequiredExtensionsReady waits until all the extensions required for a shoot reconciliation are ready

func (*Botanist) WaitUntilSeedNamespaceDeleted 

func (b *Botanist) WaitUntilSeedNamespaceDeleted(ctx context.Context) error

WaitUntilSeedNamespaceDeleted waits until the namespace of the Shoot cluster within the Seed cluster is deleted.

func (*Botanist) WaitUntilShootManagedResourcesDeleted 

func (b *Botanist) WaitUntilShootManagedResourcesDeleted(ctx context.Context) error

WaitUntilShootManagedResourcesDeleted waits until all managed resources that are describing shoot resources are deleted or the context is cancelled.

func (*Botanist) WaitUntilTunnelConnectionExists 

func (b *Botanist) WaitUntilTunnelConnectionExists(ctx context.Context) error

WaitUntilTunnelConnectionExists waits until a port forward connection to the tunnel pod (vpn-shoot) in the kube-system namespace of the Shoot cluster can be established.

func (*Botanist) WakeUpKubeAPIServer 

func (b *Botanist) WakeUpKubeAPIServer(ctx context.Context) error

WakeUpKubeAPIServer creates a service and ensures API Server is scaled up

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