types.go

Documentation: kubevirt.io/api/pool/v1alpha1

     1  /*
     2   * This file is part of the KubeVirt project
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *     http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   *
    16   * Copyright 2021 Red Hat, Inc.
    17   *
    18   */
    19  
    20  package v1alpha1
    21  
    22  import (
    23  	k8sv1 "k8s.io/api/core/v1"
    24  	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
    25  
    26  	virtv1 "kubevirt.io/api/core/v1"
    27  )
    28  
    29  const (
    30  	VirtualMachinePoolKind = "VirtualMachinePool"
    31  )
    32  
    33  // VirtualMachinePool resource contains a VirtualMachine configuration
    34  // that can be used to replicate multiple VirtualMachine resources.
    35  //
    36  // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
    37  // +k8s:openapi-gen=true
    38  // +genclient
    39  type VirtualMachinePool struct {
    40  	metav1.TypeMeta   `json:",inline"`
    41  	metav1.ObjectMeta `json:"metadata,omitempty"`
    42  
    43  	Spec   VirtualMachinePoolSpec   `json:"spec" valid:"required"`
    44  	Status VirtualMachinePoolStatus `json:"status,omitempty"`
    45  }
    46  
    47  // +k8s:openapi-gen=true
    48  type VirtualMachineTemplateSpec struct {
    49  	// +kubebuilder:pruning:PreserveUnknownFields
    50  	// +nullable
    51  	ObjectMeta metav1.ObjectMeta `json:"metadata,omitempty"`
    52  	// VirtualMachineSpec contains the VirtualMachine specification.
    53  	Spec virtv1.VirtualMachineSpec `json:"spec,omitempty" valid:"required"`
    54  }
    55  
    56  // +k8s:openapi-gen=true
    57  type VirtualMachinePoolConditionType string
    58  
    59  const (
    60  	// VirtualMachinePoolReplicaFailure is added in a pool when one of its vms
    61  	// fails to be created.
    62  	VirtualMachinePoolReplicaFailure VirtualMachinePoolConditionType = "ReplicaFailure"
    63  
    64  	// VirtualMachinePoolReplicaPaused is added in a pool when the pool got paused by the controller.
    65  	// After this condition was added, it is safe to remove or add vms by hand and adjust the replica count manually
    66  	VirtualMachinePoolReplicaPaused VirtualMachinePoolConditionType = "ReplicaPaused"
    67  )
    68  
    69  // +k8s:openapi-gen=true
    70  type VirtualMachinePoolCondition struct {
    71  	Type   VirtualMachinePoolConditionType `json:"type"`
    72  	Status k8sv1.ConditionStatus           `json:"status"`
    73  	// +nullable
    74  	LastProbeTime metav1.Time `json:"lastProbeTime,omitempty"`
    75  	// +nullable
    76  	LastTransitionTime metav1.Time `json:"lastTransitionTime,omitempty"`
    77  	Reason             string      `json:"reason,omitempty"`
    78  	Message            string      `json:"message,omitempty"`
    79  }
    80  
    81  // +k8s:openapi-gen=true
    82  type VirtualMachinePoolStatus struct {
    83  	Replicas int32 `json:"replicas,omitempty" optional:"true"`
    84  
    85  	ReadyReplicas int32 `json:"readyReplicas,omitempty" optional:"true"`
    86  
    87  	// +listType=atomic
    88  	Conditions []VirtualMachinePoolCondition `json:"conditions,omitempty" optional:"true"`
    89  
    90  	// Canonical form of the label selector for HPA which consumes it through the scale subresource.
    91  	LabelSelector string `json:"labelSelector,omitempty"`
    92  }
    93  
    94  // +k8s:openapi-gen=true
    95  type VirtualMachinePoolSpec struct {
    96  	// Number of desired pods. This is a pointer to distinguish between explicit
    97  	// zero and not specified. Defaults to 1.
    98  	// +optional
    99  	Replicas *int32 `json:"replicas,omitempty"`
   100  
   101  	// Label selector for pods. Existing Poolss whose pods are
   102  	// selected by this will be the ones affected by this deployment.
   103  	Selector *metav1.LabelSelector `json:"selector" valid:"required"`
   104  
   105  	// Template describes the VM that will be created.
   106  	VirtualMachineTemplate *VirtualMachineTemplateSpec `json:"virtualMachineTemplate" valid:"required"`
   107  
   108  	// Indicates that the pool is paused.
   109  	// +optional
   110  	Paused bool `json:"paused,omitempty" protobuf:"varint,7,opt,name=paused"`
   111  }
   112  
   113  // VirtualMachinePoolList is a list of VirtualMachinePool resources.
   114  //
   115  // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
   116  // +k8s:openapi-gen=true
   117  type VirtualMachinePoolList struct {
   118  	metav1.TypeMeta `json:",inline"`
   119  	metav1.ListMeta `json:"metadata,omitempty"`
   120  	Items           []VirtualMachinePool `json:"items"`
   121  }
   122
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