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types_worker.go
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types_worker.go
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// Copyright (c) 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 v1alpha1
import (
gardencorev1beta1 "github.com/gardener/gardener/pkg/apis/core/v1beta1"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/util/intstr"
)
var _ Object = (*Worker)(nil)
// WorkerResource is a constant for the name of the Worker resource.
const WorkerResource = "Worker"
// +genclient
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
// +kubebuilder:resource:scope=Namespaced,path=workers,singular=worker
// +kubebuilder:subresource:status
// +kubebuilder:printcolumn:name=Type,JSONPath=".spec.type",type=string,description="The type of the cloud provider for this resource."
// +kubebuilder:printcolumn:name=Region,JSONPath=".spec.region",type=string,description="The region into which the worker should be deployed."
// +kubebuilder:printcolumn:name=Status,JSONPath=".status.lastOperation.state",type=string,description="Status of the worker."
// +kubebuilder:printcolumn:name=Age,JSONPath=".metadata.creationTimestamp",type=date,description="creation timestamp"
// Worker is a specification for a Worker resource.
type Worker struct {
metav1.TypeMeta `json:",inline"`
// +optional
metav1.ObjectMeta `json:"metadata,omitempty"`
Spec WorkerSpec `json:"spec"`
// +optional
Status WorkerStatus `json:"status"`
}
// GetExtensionSpec implements Object.
func (i *Worker) GetExtensionSpec() Spec {
return &i.Spec
}
// GetExtensionStatus implements Object.
func (i *Worker) GetExtensionStatus() Status {
return &i.Status
}
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
// WorkerList is a list of Worker resources.
type WorkerList struct {
metav1.TypeMeta `json:",inline"`
// +optional
metav1.ListMeta `json:"metadata,omitempty"`
// Items is the list of Worker.
Items []Worker `json:"items"`
}
// WorkerSpec is the spec for a Worker resource.
type WorkerSpec struct {
// DefaultSpec is a structure containing common fields used by all extension resources.
DefaultSpec `json:",inline"`
// InfrastructureProviderStatus is a raw extension field that contains the provider status that has
// been generated by the controller responsible for the `Infrastructure` resource.
// +kubebuilder:validation:XPreserveUnknownFields
// +kubebuilder:pruning:PreserveUnknownFields
// +optional
InfrastructureProviderStatus *runtime.RawExtension `json:"infrastructureProviderStatus,omitempty"`
// Region is the name of the region where the worker pool should be deployed to.
Region string `json:"region"`
// SecretRef is a reference to a secret that contains the cloud provider specific credentials.
SecretRef corev1.SecretReference `json:"secretRef"`
// SSHPublicKey is the public SSH key that should be used with these workers.
// +optional
SSHPublicKey []byte `json:"sshPublicKey,omitempty"`
// Pools is a list of worker pools.
// +patchMergeKey=name
// +patchStrategy=merge
Pools []WorkerPool `json:"pools" patchStrategy:"merge" patchMergeKey:"name"`
}
// WorkerPool is the definition of a specific worker pool.
type WorkerPool struct {
// MachineType contains information about the machine type that should be used for this worker pool.
MachineType string `json:"machineType"`
// Maximum is the maximum size of the worker pool.
Maximum int32 `json:"maximum"`
// MaxSurge is maximum number of VMs that are created during an update.
MaxSurge intstr.IntOrString `json:"maxSurge"`
// MaxUnavailable is the maximum number of VMs that can be unavailable during an update.
MaxUnavailable intstr.IntOrString `json:"maxUnavailable"`
// Annotations is a map of key/value pairs for annotations for all the `Node` objects in this worker pool.
// +optional
Annotations map[string]string `json:"annotations,omitempty"`
// Labels is a map of key/value pairs for labels for all the `Node` objects in this worker pool.
// +optional
Labels map[string]string `json:"labels,omitempty"`
// Taints is a list of taints for all the `Node` objects in this worker pool.
// +optional
Taints []corev1.Taint `json:"taints,omitempty"`
// MachineImage contains logical information about the name and the version of the machie image that
// should be used. The logical information must be mapped to the provider-specific information (e.g.,
// AMIs, ...) by the provider itself.
MachineImage MachineImage `json:"machineImage,omitempty"`
// Minimum is the minimum size of the worker pool.
Minimum int32 `json:"minimum"`
// Name is the name of this worker pool.
Name string `json:"name"`
// ProviderConfig is a provider specific configuration for the worker pool.
// +kubebuilder:validation:XPreserveUnknownFields
// +kubebuilder:pruning:PreserveUnknownFields
// +optional
ProviderConfig *runtime.RawExtension `json:"providerConfig,omitempty"`
// UserData is a base64-encoded string that contains the data that is sent to the provider's APIs
// when a new machine/VM that is part of this worker pool shall be spawned.
UserData []byte `json:"userData"`
// Volume contains information about the root disks that should be used for this worker pool.
// +optional
Volume *Volume `json:"volume,omitempty"`
// DataVolumes contains a list of additional worker volumes.
// +optional
DataVolumes []DataVolume `json:"dataVolumes,omitempty"`
// KubeletDataVolumeName contains the name of a dataVolume that should be used for storing kubelet state.
// +optional
KubeletDataVolumeName *string `json:"kubeletDataVolumeName,omitempty"`
// Zones contains information about availability zones for this worker pool.
// +optional
Zones []string `json:"zones,omitempty"`
// MachineControllerManagerSettings contains configurations for different worker-pools. Eg. MachineDrainTimeout, MachineHealthTimeout.
// +optional
MachineControllerManagerSettings *gardencorev1beta1.MachineControllerManagerSettings `json:"machineControllerManager,omitempty"`
// KubernetesVersion is the kubernetes version in this worker pool
// +optional
KubernetesVersion *string `json:"kubernetesVersion,omitempty"`
// NodeTemplate contains resource information of the machine which is used by Cluster Autoscaler to generate nodeTemplate during scaling a nodeGroup from zero
// +optional
NodeTemplate *NodeTemplate `json:"nodeTemplate,omitempty"`
}
// NodeTemplate contains information about the expected node properties.
type NodeTemplate struct {
// Capacity represents the expected Node capacity.
Capacity corev1.ResourceList `json:"capacity"`
}
// MachineImage contains logical information about the name and the version of the machie image that
// should be used. The logical information must be mapped to the provider-specific information (e.g.,
// AMIs, ...) by the provider itself.
type MachineImage struct {
// Name is the logical name of the machine image.
Name string `json:"name"`
// Version is the version of the machine image.
Version string `json:"version"`
}
// Volume contains information about the root disks that should be used for worker pools.
type Volume struct {
// Name of the volume to make it referencable.
// +optional
Name *string `json:"name,omitempty"`
// Type is the type of the volume.
// +optional
Type *string `json:"type,omitempty"`
// Size is the of the root volume.
Size string `json:"size"`
// Encrypted determines if the volume should be encrypted.
// +optional
Encrypted *bool `json:"encrypted,omitempty"`
}
// DataVolume contains information about a data volume.
type DataVolume struct {
// Name of the volume to make it referencable.
Name string `json:"name"`
// Type is the type of the volume.
// +optional
Type *string `json:"type,omitempty"`
// Size is the of the root volume.
Size string `json:"size"`
// Encrypted determines if the volume should be encrypted.
// +optional
Encrypted *bool `json:"encrypted,omitempty"`
}
// WorkerStatus is the status for a Worker resource.
type WorkerStatus struct {
// DefaultStatus is a structure containing common fields used by all extension resources.
DefaultStatus `json:",inline"`
// MachineDeployments is a list of created machine deployments. It will be used to e.g. configure
// the cluster-autoscaler properly.
// +patchMergeKey=name
// +patchStrategy=merge
MachineDeployments []MachineDeployment `json:"machineDeployments,omitempty" patchStrategy:"merge" patchMergeKey:"name"`
}
// MachineDeployment is a created machine deployment.
type MachineDeployment struct {
// Name is the name of the `MachineDeployment` resource.
Name string `json:"name"`
// Minimum is the minimum number for this machine deployment.
Minimum int32 `json:"minimum"`
// Maximum is the maximum number for this machine deployment.
Maximum int32 `json:"maximum"`
}
// WorkerRollingUpdate is a constant for a condition type indicating a rolling update for any worker pool of the Shoot.
const WorkerRollingUpdate gardencorev1beta1.ConditionType = "RollingUpdate"