1/* 2Copyright 2017 The Kubernetes Authors. 3 4Licensed under the Apache License, Version 2.0 (the "License"); 5you may not use this file except in compliance with the License. 6You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10Unless required by applicable law or agreed to in writing, software 11distributed under the License is distributed on an "AS IS" BASIS, 12WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13See the License for the specific language governing permissions and 14limitations under the License. 15*/ 16 17package v1beta2 18 19import ( 20 v1 "k8s.io/api/core/v1" 21 metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" 22 runtime "k8s.io/apimachinery/pkg/runtime" 23 "k8s.io/apimachinery/pkg/util/intstr" 24) 25 26const ( 27 ControllerRevisionHashLabelKey = "controller-revision-hash" 28 StatefulSetRevisionLabel = ControllerRevisionHashLabelKey 29 DeprecatedRollbackTo = "deprecated.deployment.rollback.to" 30 DeprecatedTemplateGeneration = "deprecated.daemonset.template.generation" 31 StatefulSetPodNameLabel = "statefulset.kubernetes.io/pod-name" 32) 33 34// ScaleSpec describes the attributes of a scale subresource 35type ScaleSpec struct { 36 // desired number of instances for the scaled object. 37 // +optional 38 Replicas int32 `json:"replicas,omitempty" protobuf:"varint,1,opt,name=replicas"` 39} 40 41// ScaleStatus represents the current status of a scale subresource. 42type ScaleStatus struct { 43 // actual number of observed instances of the scaled object. 44 Replicas int32 `json:"replicas" protobuf:"varint,1,opt,name=replicas"` 45 46 // label query over pods that should match the replicas count. More info: http://kubernetes.io/docs/user-guide/labels#label-selectors 47 // +optional 48 Selector map[string]string `json:"selector,omitempty" protobuf:"bytes,2,rep,name=selector"` 49 50 // label selector for pods that should match the replicas count. This is a serializated 51 // version of both map-based and more expressive set-based selectors. This is done to 52 // avoid introspection in the clients. The string will be in the same format as the 53 // query-param syntax. If the target type only supports map-based selectors, both this 54 // field and map-based selector field are populated. 55 // More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#label-selectors 56 // +optional 57 TargetSelector string `json:"targetSelector,omitempty" protobuf:"bytes,3,opt,name=targetSelector"` 58} 59 60// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object 61// +k8s:prerelease-lifecycle-gen:introduced=1.8 62// +k8s:prerelease-lifecycle-gen:deprecated=1.9 63// +k8s:prerelease-lifecycle-gen:removed=1.16 64// +k8s:prerelease-lifecycle-gen:replacement=autoscaling,v1,Scale 65 66// Scale represents a scaling request for a resource. 67type Scale struct { 68 metav1.TypeMeta `json:",inline"` 69 // Standard object metadata; More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata. 70 // +optional 71 metav1.ObjectMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"` 72 73 // defines the behavior of the scale. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status. 74 // +optional 75 Spec ScaleSpec `json:"spec,omitempty" protobuf:"bytes,2,opt,name=spec"` 76 77 // current status of the scale. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status. Read-only. 78 // +optional 79 Status ScaleStatus `json:"status,omitempty" protobuf:"bytes,3,opt,name=status"` 80} 81 82// +genclient 83// +genclient:method=GetScale,verb=get,subresource=scale,result=Scale 84// +genclient:method=UpdateScale,verb=update,subresource=scale,input=Scale,result=Scale 85// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object 86// +k8s:prerelease-lifecycle-gen:introduced=1.8 87// +k8s:prerelease-lifecycle-gen:deprecated=1.9 88// +k8s:prerelease-lifecycle-gen:removed=1.16 89// +k8s:prerelease-lifecycle-gen:replacement=apps,v1,StatefulSet 90 91// DEPRECATED - This group version of StatefulSet is deprecated by apps/v1/StatefulSet. See the release notes for 92// more information. 93// StatefulSet represents a set of pods with consistent identities. 94// Identities are defined as: 95// - Network: A single stable DNS and hostname. 96// - Storage: As many VolumeClaims as requested. 97// The StatefulSet guarantees that a given network identity will always 98// map to the same storage identity. 99type StatefulSet struct { 100 metav1.TypeMeta `json:",inline"` 101 // +optional 102 metav1.ObjectMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"` 103 104 // Spec defines the desired identities of pods in this set. 105 // +optional 106 Spec StatefulSetSpec `json:"spec,omitempty" protobuf:"bytes,2,opt,name=spec"` 107 108 // Status is the current status of Pods in this StatefulSet. This data 109 // may be out of date by some window of time. 110 // +optional 111 Status StatefulSetStatus `json:"status,omitempty" protobuf:"bytes,3,opt,name=status"` 112} 113 114// PodManagementPolicyType defines the policy for creating pods under a stateful set. 115type PodManagementPolicyType string 116 117const ( 118 // OrderedReadyPodManagement will create pods in strictly increasing order on 119 // scale up and strictly decreasing order on scale down, progressing only when 120 // the previous pod is ready or terminated. At most one pod will be changed 121 // at any time. 122 OrderedReadyPodManagement PodManagementPolicyType = "OrderedReady" 123 // ParallelPodManagement will create and delete pods as soon as the stateful set 124 // replica count is changed, and will not wait for pods to be ready or complete 125 // termination. 126 ParallelPodManagement PodManagementPolicyType = "Parallel" 127) 128 129// StatefulSetUpdateStrategy indicates the strategy that the StatefulSet 130// controller will use to perform updates. It includes any additional parameters 131// necessary to perform the update for the indicated strategy. 132type StatefulSetUpdateStrategy struct { 133 // Type indicates the type of the StatefulSetUpdateStrategy. 134 // Default is RollingUpdate. 135 // +optional 136 Type StatefulSetUpdateStrategyType `json:"type,omitempty" protobuf:"bytes,1,opt,name=type,casttype=StatefulSetStrategyType"` 137 // RollingUpdate is used to communicate parameters when Type is RollingUpdateStatefulSetStrategyType. 138 // +optional 139 RollingUpdate *RollingUpdateStatefulSetStrategy `json:"rollingUpdate,omitempty" protobuf:"bytes,2,opt,name=rollingUpdate"` 140} 141 142// StatefulSetUpdateStrategyType is a string enumeration type that enumerates 143// all possible update strategies for the StatefulSet controller. 144type StatefulSetUpdateStrategyType string 145 146const ( 147 // RollingUpdateStatefulSetStrategyType indicates that update will be 148 // applied to all Pods in the StatefulSet with respect to the StatefulSet 149 // ordering constraints. When a scale operation is performed with this 150 // strategy, new Pods will be created from the specification version indicated 151 // by the StatefulSet's updateRevision. 152 RollingUpdateStatefulSetStrategyType StatefulSetUpdateStrategyType = "RollingUpdate" 153 // OnDeleteStatefulSetStrategyType triggers the legacy behavior. Version 154 // tracking and ordered rolling restarts are disabled. Pods are recreated 155 // from the StatefulSetSpec when they are manually deleted. When a scale 156 // operation is performed with this strategy,specification version indicated 157 // by the StatefulSet's currentRevision. 158 OnDeleteStatefulSetStrategyType StatefulSetUpdateStrategyType = "OnDelete" 159) 160 161// RollingUpdateStatefulSetStrategy is used to communicate parameter for RollingUpdateStatefulSetStrategyType. 162type RollingUpdateStatefulSetStrategy struct { 163 // Partition indicates the ordinal at which the StatefulSet should be 164 // partitioned. 165 // Default value is 0. 166 // +optional 167 Partition *int32 `json:"partition,omitempty" protobuf:"varint,1,opt,name=partition"` 168} 169 170// A StatefulSetSpec is the specification of a StatefulSet. 171type StatefulSetSpec struct { 172 // replicas is the desired number of replicas of the given Template. 173 // These are replicas in the sense that they are instantiations of the 174 // same Template, but individual replicas also have a consistent identity. 175 // If unspecified, defaults to 1. 176 // TODO: Consider a rename of this field. 177 // +optional 178 Replicas *int32 `json:"replicas,omitempty" protobuf:"varint,1,opt,name=replicas"` 179 180 // selector is a label query over pods that should match the replica count. 181 // It must match the pod template's labels. 182 // More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#label-selectors 183 Selector *metav1.LabelSelector `json:"selector" protobuf:"bytes,2,opt,name=selector"` 184 185 // template is the object that describes the pod that will be created if 186 // insufficient replicas are detected. Each pod stamped out by the StatefulSet 187 // will fulfill this Template, but have a unique identity from the rest 188 // of the StatefulSet. 189 Template v1.PodTemplateSpec `json:"template" protobuf:"bytes,3,opt,name=template"` 190 191 // volumeClaimTemplates is a list of claims that pods are allowed to reference. 192 // The StatefulSet controller is responsible for mapping network identities to 193 // claims in a way that maintains the identity of a pod. Every claim in 194 // this list must have at least one matching (by name) volumeMount in one 195 // container in the template. A claim in this list takes precedence over 196 // any volumes in the template, with the same name. 197 // TODO: Define the behavior if a claim already exists with the same name. 198 // +optional 199 VolumeClaimTemplates []v1.PersistentVolumeClaim `json:"volumeClaimTemplates,omitempty" protobuf:"bytes,4,rep,name=volumeClaimTemplates"` 200 201 // serviceName is the name of the service that governs this StatefulSet. 202 // This service must exist before the StatefulSet, and is responsible for 203 // the network identity of the set. Pods get DNS/hostnames that follow the 204 // pattern: pod-specific-string.serviceName.default.svc.cluster.local 205 // where "pod-specific-string" is managed by the StatefulSet controller. 206 ServiceName string `json:"serviceName" protobuf:"bytes,5,opt,name=serviceName"` 207 208 // podManagementPolicy controls how pods are created during initial scale up, 209 // when replacing pods on nodes, or when scaling down. The default policy is 210 // `OrderedReady`, where pods are created in increasing order (pod-0, then 211 // pod-1, etc) and the controller will wait until each pod is ready before 212 // continuing. When scaling down, the pods are removed in the opposite order. 213 // The alternative policy is `Parallel` which will create pods in parallel 214 // to match the desired scale without waiting, and on scale down will delete 215 // all pods at once. 216 // +optional 217 PodManagementPolicy PodManagementPolicyType `json:"podManagementPolicy,omitempty" protobuf:"bytes,6,opt,name=podManagementPolicy,casttype=PodManagementPolicyType"` 218 219 // updateStrategy indicates the StatefulSetUpdateStrategy that will be 220 // employed to update Pods in the StatefulSet when a revision is made to 221 // Template. 222 UpdateStrategy StatefulSetUpdateStrategy `json:"updateStrategy,omitempty" protobuf:"bytes,7,opt,name=updateStrategy"` 223 224 // revisionHistoryLimit is the maximum number of revisions that will 225 // be maintained in the StatefulSet's revision history. The revision history 226 // consists of all revisions not represented by a currently applied 227 // StatefulSetSpec version. The default value is 10. 228 RevisionHistoryLimit *int32 `json:"revisionHistoryLimit,omitempty" protobuf:"varint,8,opt,name=revisionHistoryLimit"` 229} 230 231// StatefulSetStatus represents the current state of a StatefulSet. 232type StatefulSetStatus struct { 233 // observedGeneration is the most recent generation observed for this StatefulSet. It corresponds to the 234 // StatefulSet's generation, which is updated on mutation by the API Server. 235 // +optional 236 ObservedGeneration int64 `json:"observedGeneration,omitempty" protobuf:"varint,1,opt,name=observedGeneration"` 237 238 // replicas is the number of Pods created by the StatefulSet controller. 239 Replicas int32 `json:"replicas" protobuf:"varint,2,opt,name=replicas"` 240 241 // readyReplicas is the number of Pods created by the StatefulSet controller that have a Ready Condition. 242 ReadyReplicas int32 `json:"readyReplicas,omitempty" protobuf:"varint,3,opt,name=readyReplicas"` 243 244 // currentReplicas is the number of Pods created by the StatefulSet controller from the StatefulSet version 245 // indicated by currentRevision. 246 CurrentReplicas int32 `json:"currentReplicas,omitempty" protobuf:"varint,4,opt,name=currentReplicas"` 247 248 // updatedReplicas is the number of Pods created by the StatefulSet controller from the StatefulSet version 249 // indicated by updateRevision. 250 UpdatedReplicas int32 `json:"updatedReplicas,omitempty" protobuf:"varint,5,opt,name=updatedReplicas"` 251 252 // currentRevision, if not empty, indicates the version of the StatefulSet used to generate Pods in the 253 // sequence [0,currentReplicas). 254 CurrentRevision string `json:"currentRevision,omitempty" protobuf:"bytes,6,opt,name=currentRevision"` 255 256 // updateRevision, if not empty, indicates the version of the StatefulSet used to generate Pods in the sequence 257 // [replicas-updatedReplicas,replicas) 258 UpdateRevision string `json:"updateRevision,omitempty" protobuf:"bytes,7,opt,name=updateRevision"` 259 260 // collisionCount is the count of hash collisions for the StatefulSet. The StatefulSet controller 261 // uses this field as a collision avoidance mechanism when it needs to create the name for the 262 // newest ControllerRevision. 263 // +optional 264 CollisionCount *int32 `json:"collisionCount,omitempty" protobuf:"varint,9,opt,name=collisionCount"` 265 266 // Represents the latest available observations of a statefulset's current state. 267 // +optional 268 // +patchMergeKey=type 269 // +patchStrategy=merge 270 Conditions []StatefulSetCondition `json:"conditions,omitempty" patchStrategy:"merge" patchMergeKey:"type" protobuf:"bytes,10,rep,name=conditions"` 271} 272 273type StatefulSetConditionType string 274 275// StatefulSetCondition describes the state of a statefulset at a certain point. 276type StatefulSetCondition struct { 277 // Type of statefulset condition. 278 Type StatefulSetConditionType `json:"type" protobuf:"bytes,1,opt,name=type,casttype=StatefulSetConditionType"` 279 // Status of the condition, one of True, False, Unknown. 280 Status v1.ConditionStatus `json:"status" protobuf:"bytes,2,opt,name=status,casttype=k8s.io/api/core/v1.ConditionStatus"` 281 // Last time the condition transitioned from one status to another. 282 // +optional 283 LastTransitionTime metav1.Time `json:"lastTransitionTime,omitempty" protobuf:"bytes,3,opt,name=lastTransitionTime"` 284 // The reason for the condition's last transition. 285 // +optional 286 Reason string `json:"reason,omitempty" protobuf:"bytes,4,opt,name=reason"` 287 // A human readable message indicating details about the transition. 288 // +optional 289 Message string `json:"message,omitempty" protobuf:"bytes,5,opt,name=message"` 290} 291 292// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object 293// +k8s:prerelease-lifecycle-gen:introduced=1.8 294// +k8s:prerelease-lifecycle-gen:deprecated=1.9 295// +k8s:prerelease-lifecycle-gen:removed=1.16 296// +k8s:prerelease-lifecycle-gen:replacement=apps,v1,StatefulSetList 297 298// StatefulSetList is a collection of StatefulSets. 299type StatefulSetList struct { 300 metav1.TypeMeta `json:",inline"` 301 // +optional 302 metav1.ListMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"` 303 Items []StatefulSet `json:"items" protobuf:"bytes,2,rep,name=items"` 304} 305 306// +genclient 307// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object 308// +k8s:prerelease-lifecycle-gen:introduced=1.8 309// +k8s:prerelease-lifecycle-gen:deprecated=1.9 310// +k8s:prerelease-lifecycle-gen:removed=1.16 311// +k8s:prerelease-lifecycle-gen:replacement=apps,v1,Deployment 312 313// DEPRECATED - This group version of Deployment is deprecated by apps/v1/Deployment. See the release notes for 314// more information. 315// Deployment enables declarative updates for Pods and ReplicaSets. 316type Deployment struct { 317 metav1.TypeMeta `json:",inline"` 318 // Standard object metadata. 319 // +optional 320 metav1.ObjectMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"` 321 322 // Specification of the desired behavior of the Deployment. 323 // +optional 324 Spec DeploymentSpec `json:"spec,omitempty" protobuf:"bytes,2,opt,name=spec"` 325 326 // Most recently observed status of the Deployment. 327 // +optional 328 Status DeploymentStatus `json:"status,omitempty" protobuf:"bytes,3,opt,name=status"` 329} 330 331// DeploymentSpec is the specification of the desired behavior of the Deployment. 332type DeploymentSpec struct { 333 // Number of desired pods. This is a pointer to distinguish between explicit 334 // zero and not specified. Defaults to 1. 335 // +optional 336 Replicas *int32 `json:"replicas,omitempty" protobuf:"varint,1,opt,name=replicas"` 337 338 // Label selector for pods. Existing ReplicaSets whose pods are 339 // selected by this will be the ones affected by this deployment. 340 // It must match the pod template's labels. 341 Selector *metav1.LabelSelector `json:"selector" protobuf:"bytes,2,opt,name=selector"` 342 343 // Template describes the pods that will be created. 344 Template v1.PodTemplateSpec `json:"template" protobuf:"bytes,3,opt,name=template"` 345 346 // The deployment strategy to use to replace existing pods with new ones. 347 // +optional 348 // +patchStrategy=retainKeys 349 Strategy DeploymentStrategy `json:"strategy,omitempty" patchStrategy:"retainKeys" protobuf:"bytes,4,opt,name=strategy"` 350 351 // Minimum number of seconds for which a newly created pod should be ready 352 // without any of its container crashing, for it to be considered available. 353 // Defaults to 0 (pod will be considered available as soon as it is ready) 354 // +optional 355 MinReadySeconds int32 `json:"minReadySeconds,omitempty" protobuf:"varint,5,opt,name=minReadySeconds"` 356 357 // The number of old ReplicaSets to retain to allow rollback. 358 // This is a pointer to distinguish between explicit zero and not specified. 359 // Defaults to 10. 360 // +optional 361 RevisionHistoryLimit *int32 `json:"revisionHistoryLimit,omitempty" protobuf:"varint,6,opt,name=revisionHistoryLimit"` 362 363 // Indicates that the deployment is paused. 364 // +optional 365 Paused bool `json:"paused,omitempty" protobuf:"varint,7,opt,name=paused"` 366 367 // The maximum time in seconds for a deployment to make progress before it 368 // is considered to be failed. The deployment controller will continue to 369 // process failed deployments and a condition with a ProgressDeadlineExceeded 370 // reason will be surfaced in the deployment status. Note that progress will 371 // not be estimated during the time a deployment is paused. Defaults to 600s. 372 ProgressDeadlineSeconds *int32 `json:"progressDeadlineSeconds,omitempty" protobuf:"varint,9,opt,name=progressDeadlineSeconds"` 373} 374 375const ( 376 // DefaultDeploymentUniqueLabelKey is the default key of the selector that is added 377 // to existing ReplicaSets (and label key that is added to its pods) to prevent the existing ReplicaSets 378 // to select new pods (and old pods being select by new ReplicaSet). 379 DefaultDeploymentUniqueLabelKey string = "pod-template-hash" 380) 381 382// DeploymentStrategy describes how to replace existing pods with new ones. 383type DeploymentStrategy struct { 384 // Type of deployment. Can be "Recreate" or "RollingUpdate". Default is RollingUpdate. 385 // +optional 386 Type DeploymentStrategyType `json:"type,omitempty" protobuf:"bytes,1,opt,name=type,casttype=DeploymentStrategyType"` 387 388 // Rolling update config params. Present only if DeploymentStrategyType = 389 // RollingUpdate. 390 //--- 391 // TODO: Update this to follow our convention for oneOf, whatever we decide it 392 // to be. 393 // +optional 394 RollingUpdate *RollingUpdateDeployment `json:"rollingUpdate,omitempty" protobuf:"bytes,2,opt,name=rollingUpdate"` 395} 396 397type DeploymentStrategyType string 398 399const ( 400 // Kill all existing pods before creating new ones. 401 RecreateDeploymentStrategyType DeploymentStrategyType = "Recreate" 402 403 // Replace the old ReplicaSets by new one using rolling update i.e gradually scale down the old ReplicaSets and scale up the new one. 404 RollingUpdateDeploymentStrategyType DeploymentStrategyType = "RollingUpdate" 405) 406 407// Spec to control the desired behavior of rolling update. 408type RollingUpdateDeployment struct { 409 // The maximum number of pods that can be unavailable during the update. 410 // Value can be an absolute number (ex: 5) or a percentage of desired pods (ex: 10%). 411 // Absolute number is calculated from percentage by rounding down. 412 // This can not be 0 if MaxSurge is 0. 413 // Defaults to 25%. 414 // Example: when this is set to 30%, the old ReplicaSet can be scaled down to 70% of desired pods 415 // immediately when the rolling update starts. Once new pods are ready, old ReplicaSet 416 // can be scaled down further, followed by scaling up the new ReplicaSet, ensuring 417 // that the total number of pods available at all times during the update is at 418 // least 70% of desired pods. 419 // +optional 420 MaxUnavailable *intstr.IntOrString `json:"maxUnavailable,omitempty" protobuf:"bytes,1,opt,name=maxUnavailable"` 421 422 // The maximum number of pods that can be scheduled above the desired number of 423 // pods. 424 // Value can be an absolute number (ex: 5) or a percentage of desired pods (ex: 10%). 425 // This can not be 0 if MaxUnavailable is 0. 426 // Absolute number is calculated from percentage by rounding up. 427 // Defaults to 25%. 428 // Example: when this is set to 30%, the new ReplicaSet can be scaled up immediately when 429 // the rolling update starts, such that the total number of old and new pods do not exceed 430 // 130% of desired pods. Once old pods have been killed, 431 // new ReplicaSet can be scaled up further, ensuring that total number of pods running 432 // at any time during the update is at most 130% of desired pods. 433 // +optional 434 MaxSurge *intstr.IntOrString `json:"maxSurge,omitempty" protobuf:"bytes,2,opt,name=maxSurge"` 435} 436 437// DeploymentStatus is the most recently observed status of the Deployment. 438type DeploymentStatus struct { 439 // The generation observed by the deployment controller. 440 // +optional 441 ObservedGeneration int64 `json:"observedGeneration,omitempty" protobuf:"varint,1,opt,name=observedGeneration"` 442 443 // Total number of non-terminated pods targeted by this deployment (their labels match the selector). 444 // +optional 445 Replicas int32 `json:"replicas,omitempty" protobuf:"varint,2,opt,name=replicas"` 446 447 // Total number of non-terminated pods targeted by this deployment that have the desired template spec. 448 // +optional 449 UpdatedReplicas int32 `json:"updatedReplicas,omitempty" protobuf:"varint,3,opt,name=updatedReplicas"` 450 451 // Total number of ready pods targeted by this deployment. 452 // +optional 453 ReadyReplicas int32 `json:"readyReplicas,omitempty" protobuf:"varint,7,opt,name=readyReplicas"` 454 455 // Total number of available pods (ready for at least minReadySeconds) targeted by this deployment. 456 // +optional 457 AvailableReplicas int32 `json:"availableReplicas,omitempty" protobuf:"varint,4,opt,name=availableReplicas"` 458 459 // Total number of unavailable pods targeted by this deployment. This is the total number of 460 // pods that are still required for the deployment to have 100% available capacity. They may 461 // either be pods that are running but not yet available or pods that still have not been created. 462 // +optional 463 UnavailableReplicas int32 `json:"unavailableReplicas,omitempty" protobuf:"varint,5,opt,name=unavailableReplicas"` 464 465 // Represents the latest available observations of a deployment's current state. 466 // +patchMergeKey=type 467 // +patchStrategy=merge 468 Conditions []DeploymentCondition `json:"conditions,omitempty" patchStrategy:"merge" patchMergeKey:"type" protobuf:"bytes,6,rep,name=conditions"` 469 470 // Count of hash collisions for the Deployment. The Deployment controller uses this 471 // field as a collision avoidance mechanism when it needs to create the name for the 472 // newest ReplicaSet. 473 // +optional 474 CollisionCount *int32 `json:"collisionCount,omitempty" protobuf:"varint,8,opt,name=collisionCount"` 475} 476 477type DeploymentConditionType string 478 479// These are valid conditions of a deployment. 480const ( 481 // Available means the deployment is available, ie. at least the minimum available 482 // replicas required are up and running for at least minReadySeconds. 483 DeploymentAvailable DeploymentConditionType = "Available" 484 // Progressing means the deployment is progressing. Progress for a deployment is 485 // considered when a new replica set is created or adopted, and when new pods scale 486 // up or old pods scale down. Progress is not estimated for paused deployments or 487 // when progressDeadlineSeconds is not specified. 488 DeploymentProgressing DeploymentConditionType = "Progressing" 489 // ReplicaFailure is added in a deployment when one of its pods fails to be created 490 // or deleted. 491 DeploymentReplicaFailure DeploymentConditionType = "ReplicaFailure" 492) 493 494// DeploymentCondition describes the state of a deployment at a certain point. 495type DeploymentCondition struct { 496 // Type of deployment condition. 497 Type DeploymentConditionType `json:"type" protobuf:"bytes,1,opt,name=type,casttype=DeploymentConditionType"` 498 // Status of the condition, one of True, False, Unknown. 499 Status v1.ConditionStatus `json:"status" protobuf:"bytes,2,opt,name=status,casttype=k8s.io/api/core/v1.ConditionStatus"` 500 // The last time this condition was updated. 501 LastUpdateTime metav1.Time `json:"lastUpdateTime,omitempty" protobuf:"bytes,6,opt,name=lastUpdateTime"` 502 // Last time the condition transitioned from one status to another. 503 LastTransitionTime metav1.Time `json:"lastTransitionTime,omitempty" protobuf:"bytes,7,opt,name=lastTransitionTime"` 504 // The reason for the condition's last transition. 505 Reason string `json:"reason,omitempty" protobuf:"bytes,4,opt,name=reason"` 506 // A human readable message indicating details about the transition. 507 Message string `json:"message,omitempty" protobuf:"bytes,5,opt,name=message"` 508} 509 510// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object 511// +k8s:prerelease-lifecycle-gen:introduced=1.8 512// +k8s:prerelease-lifecycle-gen:deprecated=1.9 513// +k8s:prerelease-lifecycle-gen:removed=1.16 514// +k8s:prerelease-lifecycle-gen:replacement=apps,v1,DeploymentList 515 516// DeploymentList is a list of Deployments. 517type DeploymentList struct { 518 metav1.TypeMeta `json:",inline"` 519 // Standard list metadata. 520 // +optional 521 metav1.ListMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"` 522 523 // Items is the list of Deployments. 524 Items []Deployment `json:"items" protobuf:"bytes,2,rep,name=items"` 525} 526 527// DaemonSetUpdateStrategy is a struct used to control the update strategy for a DaemonSet. 528type DaemonSetUpdateStrategy struct { 529 // Type of daemon set update. Can be "RollingUpdate" or "OnDelete". Default is RollingUpdate. 530 // +optional 531 Type DaemonSetUpdateStrategyType `json:"type,omitempty" protobuf:"bytes,1,opt,name=type"` 532 533 // Rolling update config params. Present only if type = "RollingUpdate". 534 //--- 535 // TODO: Update this to follow our convention for oneOf, whatever we decide it 536 // to be. Same as Deployment `strategy.rollingUpdate`. 537 // See https://github.com/kubernetes/kubernetes/issues/35345 538 // +optional 539 RollingUpdate *RollingUpdateDaemonSet `json:"rollingUpdate,omitempty" protobuf:"bytes,2,opt,name=rollingUpdate"` 540} 541 542type DaemonSetUpdateStrategyType string 543 544const ( 545 // Replace the old daemons by new ones using rolling update i.e replace them on each node one after the other. 546 RollingUpdateDaemonSetStrategyType DaemonSetUpdateStrategyType = "RollingUpdate" 547 548 // Replace the old daemons only when it's killed 549 OnDeleteDaemonSetStrategyType DaemonSetUpdateStrategyType = "OnDelete" 550) 551 552// Spec to control the desired behavior of daemon set rolling update. 553type RollingUpdateDaemonSet struct { 554 // The maximum number of DaemonSet pods that can be unavailable during the 555 // update. Value can be an absolute number (ex: 5) or a percentage of total 556 // number of DaemonSet pods at the start of the update (ex: 10%). Absolute 557 // number is calculated from percentage by rounding up. 558 // This cannot be 0. 559 // Default value is 1. 560 // Example: when this is set to 30%, at most 30% of the total number of nodes 561 // that should be running the daemon pod (i.e. status.desiredNumberScheduled) 562 // can have their pods stopped for an update at any given 563 // time. The update starts by stopping at most 30% of those DaemonSet pods 564 // and then brings up new DaemonSet pods in their place. Once the new pods 565 // are available, it then proceeds onto other DaemonSet pods, thus ensuring 566 // that at least 70% of original number of DaemonSet pods are available at 567 // all times during the update. 568 // +optional 569 MaxUnavailable *intstr.IntOrString `json:"maxUnavailable,omitempty" protobuf:"bytes,1,opt,name=maxUnavailable"` 570} 571 572// DaemonSetSpec is the specification of a daemon set. 573type DaemonSetSpec struct { 574 // A label query over pods that are managed by the daemon set. 575 // Must match in order to be controlled. 576 // It must match the pod template's labels. 577 // More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#label-selectors 578 Selector *metav1.LabelSelector `json:"selector" protobuf:"bytes,1,opt,name=selector"` 579 580 // An object that describes the pod that will be created. 581 // The DaemonSet will create exactly one copy of this pod on every node 582 // that matches the template's node selector (or on every node if no node 583 // selector is specified). 584 // More info: https://kubernetes.io/docs/concepts/workloads/controllers/replicationcontroller#pod-template 585 Template v1.PodTemplateSpec `json:"template" protobuf:"bytes,2,opt,name=template"` 586 587 // An update strategy to replace existing DaemonSet pods with new pods. 588 // +optional 589 UpdateStrategy DaemonSetUpdateStrategy `json:"updateStrategy,omitempty" protobuf:"bytes,3,opt,name=updateStrategy"` 590 591 // The minimum number of seconds for which a newly created DaemonSet pod should 592 // be ready without any of its container crashing, for it to be considered 593 // available. Defaults to 0 (pod will be considered available as soon as it 594 // is ready). 595 // +optional 596 MinReadySeconds int32 `json:"minReadySeconds,omitempty" protobuf:"varint,4,opt,name=minReadySeconds"` 597 598 // The number of old history to retain to allow rollback. 599 // This is a pointer to distinguish between explicit zero and not specified. 600 // Defaults to 10. 601 // +optional 602 RevisionHistoryLimit *int32 `json:"revisionHistoryLimit,omitempty" protobuf:"varint,6,opt,name=revisionHistoryLimit"` 603} 604 605// DaemonSetStatus represents the current status of a daemon set. 606type DaemonSetStatus struct { 607 // The number of nodes that are running at least 1 608 // daemon pod and are supposed to run the daemon pod. 609 // More info: https://kubernetes.io/docs/concepts/workloads/controllers/daemonset/ 610 CurrentNumberScheduled int32 `json:"currentNumberScheduled" protobuf:"varint,1,opt,name=currentNumberScheduled"` 611 612 // The number of nodes that are running the daemon pod, but are 613 // not supposed to run the daemon pod. 614 // More info: https://kubernetes.io/docs/concepts/workloads/controllers/daemonset/ 615 NumberMisscheduled int32 `json:"numberMisscheduled" protobuf:"varint,2,opt,name=numberMisscheduled"` 616 617 // The total number of nodes that should be running the daemon 618 // pod (including nodes correctly running the daemon pod). 619 // More info: https://kubernetes.io/docs/concepts/workloads/controllers/daemonset/ 620 DesiredNumberScheduled int32 `json:"desiredNumberScheduled" protobuf:"varint,3,opt,name=desiredNumberScheduled"` 621 622 // The number of nodes that should be running the daemon pod and have one 623 // or more of the daemon pod running and ready. 624 NumberReady int32 `json:"numberReady" protobuf:"varint,4,opt,name=numberReady"` 625 626 // The most recent generation observed by the daemon set controller. 627 // +optional 628 ObservedGeneration int64 `json:"observedGeneration,omitempty" protobuf:"varint,5,opt,name=observedGeneration"` 629 630 // The total number of nodes that are running updated daemon pod 631 // +optional 632 UpdatedNumberScheduled int32 `json:"updatedNumberScheduled,omitempty" protobuf:"varint,6,opt,name=updatedNumberScheduled"` 633 634 // The number of nodes that should be running the 635 // daemon pod and have one or more of the daemon pod running and 636 // available (ready for at least spec.minReadySeconds) 637 // +optional 638 NumberAvailable int32 `json:"numberAvailable,omitempty" protobuf:"varint,7,opt,name=numberAvailable"` 639 640 // The number of nodes that should be running the 641 // daemon pod and have none of the daemon pod running and available 642 // (ready for at least spec.minReadySeconds) 643 // +optional 644 NumberUnavailable int32 `json:"numberUnavailable,omitempty" protobuf:"varint,8,opt,name=numberUnavailable"` 645 646 // Count of hash collisions for the DaemonSet. The DaemonSet controller 647 // uses this field as a collision avoidance mechanism when it needs to 648 // create the name for the newest ControllerRevision. 649 // +optional 650 CollisionCount *int32 `json:"collisionCount,omitempty" protobuf:"varint,9,opt,name=collisionCount"` 651 652 // Represents the latest available observations of a DaemonSet's current state. 653 // +optional 654 // +patchMergeKey=type 655 // +patchStrategy=merge 656 Conditions []DaemonSetCondition `json:"conditions,omitempty" patchStrategy:"merge" patchMergeKey:"type" protobuf:"bytes,10,rep,name=conditions"` 657} 658 659type DaemonSetConditionType string 660 661// TODO: Add valid condition types of a DaemonSet. 662 663// DaemonSetCondition describes the state of a DaemonSet at a certain point. 664type DaemonSetCondition struct { 665 // Type of DaemonSet condition. 666 Type DaemonSetConditionType `json:"type" protobuf:"bytes,1,opt,name=type,casttype=DaemonSetConditionType"` 667 // Status of the condition, one of True, False, Unknown. 668 Status v1.ConditionStatus `json:"status" protobuf:"bytes,2,opt,name=status,casttype=k8s.io/api/core/v1.ConditionStatus"` 669 // Last time the condition transitioned from one status to another. 670 // +optional 671 LastTransitionTime metav1.Time `json:"lastTransitionTime,omitempty" protobuf:"bytes,3,opt,name=lastTransitionTime"` 672 // The reason for the condition's last transition. 673 // +optional 674 Reason string `json:"reason,omitempty" protobuf:"bytes,4,opt,name=reason"` 675 // A human readable message indicating details about the transition. 676 // +optional 677 Message string `json:"message,omitempty" protobuf:"bytes,5,opt,name=message"` 678} 679 680// +genclient 681// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object 682// +k8s:prerelease-lifecycle-gen:introduced=1.8 683// +k8s:prerelease-lifecycle-gen:deprecated=1.9 684// +k8s:prerelease-lifecycle-gen:removed=1.16 685// +k8s:prerelease-lifecycle-gen:replacement=apps,v1,DaemonSet 686 687// DEPRECATED - This group version of DaemonSet is deprecated by apps/v1/DaemonSet. See the release notes for 688// more information. 689// DaemonSet represents the configuration of a daemon set. 690type DaemonSet struct { 691 metav1.TypeMeta `json:",inline"` 692 // Standard object's metadata. 693 // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata 694 // +optional 695 metav1.ObjectMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"` 696 697 // The desired behavior of this daemon set. 698 // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status 699 // +optional 700 Spec DaemonSetSpec `json:"spec,omitempty" protobuf:"bytes,2,opt,name=spec"` 701 702 // The current status of this daemon set. This data may be 703 // out of date by some window of time. 704 // Populated by the system. 705 // Read-only. 706 // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status 707 // +optional 708 Status DaemonSetStatus `json:"status,omitempty" protobuf:"bytes,3,opt,name=status"` 709} 710 711const ( 712 // DefaultDaemonSetUniqueLabelKey is the default label key that is added 713 // to existing DaemonSet pods to distinguish between old and new 714 // DaemonSet pods during DaemonSet template updates. 715 DefaultDaemonSetUniqueLabelKey = ControllerRevisionHashLabelKey 716) 717 718// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object 719// +k8s:prerelease-lifecycle-gen:introduced=1.8 720// +k8s:prerelease-lifecycle-gen:deprecated=1.9 721// +k8s:prerelease-lifecycle-gen:removed=1.16 722// +k8s:prerelease-lifecycle-gen:replacement=apps,v1,DaemonSetList 723 724// DaemonSetList is a collection of daemon sets. 725type DaemonSetList struct { 726 metav1.TypeMeta `json:",inline"` 727 // Standard list metadata. 728 // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata 729 // +optional 730 metav1.ListMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"` 731 732 // A list of daemon sets. 733 Items []DaemonSet `json:"items" protobuf:"bytes,2,rep,name=items"` 734} 735 736// +genclient 737// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object 738// +k8s:prerelease-lifecycle-gen:introduced=1.8 739// +k8s:prerelease-lifecycle-gen:deprecated=1.9 740// +k8s:prerelease-lifecycle-gen:removed=1.16 741// +k8s:prerelease-lifecycle-gen:replacement=apps,v1,ReplicaSet 742 743// DEPRECATED - This group version of ReplicaSet is deprecated by apps/v1/ReplicaSet. See the release notes for 744// more information. 745// ReplicaSet ensures that a specified number of pod replicas are running at any given time. 746type ReplicaSet struct { 747 metav1.TypeMeta `json:",inline"` 748 749 // If the Labels of a ReplicaSet are empty, they are defaulted to 750 // be the same as the Pod(s) that the ReplicaSet manages. 751 // Standard object's metadata. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata 752 // +optional 753 metav1.ObjectMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"` 754 755 // Spec defines the specification of the desired behavior of the ReplicaSet. 756 // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status 757 // +optional 758 Spec ReplicaSetSpec `json:"spec,omitempty" protobuf:"bytes,2,opt,name=spec"` 759 760 // Status is the most recently observed status of the ReplicaSet. 761 // This data may be out of date by some window of time. 762 // Populated by the system. 763 // Read-only. 764 // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status 765 // +optional 766 Status ReplicaSetStatus `json:"status,omitempty" protobuf:"bytes,3,opt,name=status"` 767} 768 769// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object 770// +k8s:prerelease-lifecycle-gen:introduced=1.8 771// +k8s:prerelease-lifecycle-gen:deprecated=1.9 772// +k8s:prerelease-lifecycle-gen:removed=1.16 773// +k8s:prerelease-lifecycle-gen:replacement=apps,v1,ReplicaSetList 774 775// ReplicaSetList is a collection of ReplicaSets. 776type ReplicaSetList struct { 777 metav1.TypeMeta `json:",inline"` 778 // Standard list metadata. 779 // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds 780 // +optional 781 metav1.ListMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"` 782 783 // List of ReplicaSets. 784 // More info: https://kubernetes.io/docs/concepts/workloads/controllers/replicationcontroller 785 Items []ReplicaSet `json:"items" protobuf:"bytes,2,rep,name=items"` 786} 787 788// ReplicaSetSpec is the specification of a ReplicaSet. 789type ReplicaSetSpec struct { 790 // Replicas is the number of desired replicas. 791 // This is a pointer to distinguish between explicit zero and unspecified. 792 // Defaults to 1. 793 // More info: https://kubernetes.io/docs/concepts/workloads/controllers/replicationcontroller/#what-is-a-replicationcontroller 794 // +optional 795 Replicas *int32 `json:"replicas,omitempty" protobuf:"varint,1,opt,name=replicas"` 796 797 // Minimum number of seconds for which a newly created pod should be ready 798 // without any of its container crashing, for it to be considered available. 799 // Defaults to 0 (pod will be considered available as soon as it is ready) 800 // +optional 801 MinReadySeconds int32 `json:"minReadySeconds,omitempty" protobuf:"varint,4,opt,name=minReadySeconds"` 802 803 // Selector is a label query over pods that should match the replica count. 804 // Label keys and values that must match in order to be controlled by this replica set. 805 // It must match the pod template's labels. 806 // More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#label-selectors 807 Selector *metav1.LabelSelector `json:"selector" protobuf:"bytes,2,opt,name=selector"` 808 809 // Template is the object that describes the pod that will be created if 810 // insufficient replicas are detected. 811 // More info: https://kubernetes.io/docs/concepts/workloads/controllers/replicationcontroller#pod-template 812 // +optional 813 Template v1.PodTemplateSpec `json:"template,omitempty" protobuf:"bytes,3,opt,name=template"` 814} 815 816// ReplicaSetStatus represents the current status of a ReplicaSet. 817type ReplicaSetStatus struct { 818 // Replicas is the most recently oberved number of replicas. 819 // More info: https://kubernetes.io/docs/concepts/workloads/controllers/replicationcontroller/#what-is-a-replicationcontroller 820 Replicas int32 `json:"replicas" protobuf:"varint,1,opt,name=replicas"` 821 822 // The number of pods that have labels matching the labels of the pod template of the replicaset. 823 // +optional 824 FullyLabeledReplicas int32 `json:"fullyLabeledReplicas,omitempty" protobuf:"varint,2,opt,name=fullyLabeledReplicas"` 825 826 // The number of ready replicas for this replica set. 827 // +optional 828 ReadyReplicas int32 `json:"readyReplicas,omitempty" protobuf:"varint,4,opt,name=readyReplicas"` 829 830 // The number of available replicas (ready for at least minReadySeconds) for this replica set. 831 // +optional 832 AvailableReplicas int32 `json:"availableReplicas,omitempty" protobuf:"varint,5,opt,name=availableReplicas"` 833 834 // ObservedGeneration reflects the generation of the most recently observed ReplicaSet. 835 // +optional 836 ObservedGeneration int64 `json:"observedGeneration,omitempty" protobuf:"varint,3,opt,name=observedGeneration"` 837 838 // Represents the latest available observations of a replica set's current state. 839 // +optional 840 // +patchMergeKey=type 841 // +patchStrategy=merge 842 Conditions []ReplicaSetCondition `json:"conditions,omitempty" patchStrategy:"merge" patchMergeKey:"type" protobuf:"bytes,6,rep,name=conditions"` 843} 844 845type ReplicaSetConditionType string 846 847// These are valid conditions of a replica set. 848const ( 849 // ReplicaSetReplicaFailure is added in a replica set when one of its pods fails to be created 850 // due to insufficient quota, limit ranges, pod security policy, node selectors, etc. or deleted 851 // due to kubelet being down or finalizers are failing. 852 ReplicaSetReplicaFailure ReplicaSetConditionType = "ReplicaFailure" 853) 854 855// ReplicaSetCondition describes the state of a replica set at a certain point. 856type ReplicaSetCondition struct { 857 // Type of replica set condition. 858 Type ReplicaSetConditionType `json:"type" protobuf:"bytes,1,opt,name=type,casttype=ReplicaSetConditionType"` 859 // Status of the condition, one of True, False, Unknown. 860 Status v1.ConditionStatus `json:"status" protobuf:"bytes,2,opt,name=status,casttype=k8s.io/api/core/v1.ConditionStatus"` 861 // The last time the condition transitioned from one status to another. 862 // +optional 863 LastTransitionTime metav1.Time `json:"lastTransitionTime,omitempty" protobuf:"bytes,3,opt,name=lastTransitionTime"` 864 // The reason for the condition's last transition. 865 // +optional 866 Reason string `json:"reason,omitempty" protobuf:"bytes,4,opt,name=reason"` 867 // A human readable message indicating details about the transition. 868 // +optional 869 Message string `json:"message,omitempty" protobuf:"bytes,5,opt,name=message"` 870} 871 872// +genclient 873// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object 874// +k8s:prerelease-lifecycle-gen:introduced=1.8 875// +k8s:prerelease-lifecycle-gen:deprecated=1.9 876// +k8s:prerelease-lifecycle-gen:removed=1.16 877// +k8s:prerelease-lifecycle-gen:replacement=apps,v1,ControllerRevision 878 879// DEPRECATED - This group version of ControllerRevision is deprecated by apps/v1/ControllerRevision. See the 880// release notes for more information. 881// ControllerRevision implements an immutable snapshot of state data. Clients 882// are responsible for serializing and deserializing the objects that contain 883// their internal state. 884// Once a ControllerRevision has been successfully created, it can not be updated. 885// The API Server will fail validation of all requests that attempt to mutate 886// the Data field. ControllerRevisions may, however, be deleted. Note that, due to its use by both 887// the DaemonSet and StatefulSet controllers for update and rollback, this object is beta. However, 888// it may be subject to name and representation changes in future releases, and clients should not 889// depend on its stability. It is primarily for internal use by controllers. 890type ControllerRevision struct { 891 metav1.TypeMeta `json:",inline"` 892 // Standard object's metadata. 893 // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata 894 // +optional 895 metav1.ObjectMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"` 896 897 // Data is the serialized representation of the state. 898 Data runtime.RawExtension `json:"data,omitempty" protobuf:"bytes,2,opt,name=data"` 899 900 // Revision indicates the revision of the state represented by Data. 901 Revision int64 `json:"revision" protobuf:"varint,3,opt,name=revision"` 902} 903 904// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object 905// +k8s:prerelease-lifecycle-gen:introduced=1.8 906// +k8s:prerelease-lifecycle-gen:deprecated=1.9 907// +k8s:prerelease-lifecycle-gen:removed=1.16 908// +k8s:prerelease-lifecycle-gen:replacement=apps,v1,ControllerRevisionList 909 910// ControllerRevisionList is a resource containing a list of ControllerRevision objects. 911type ControllerRevisionList struct { 912 metav1.TypeMeta `json:",inline"` 913 914 // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata 915 // +optional 916 metav1.ListMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"` 917 918 // Items is the list of ControllerRevisions 919 Items []ControllerRevision `json:"items" protobuf:"bytes,2,rep,name=items"` 920} 921