60 lines
1.9 KiB
Go
60 lines
1.9 KiB
Go
/*
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Copyright 2023 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package estimator
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import (
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"k8s.io/autoscaler/cluster-autoscaler/cloudprovider"
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)
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// EstimationContext stores static and runtime state of autoscaling, used by Estimator
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type EstimationContext interface {
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SimilarNodeGroups() []cloudprovider.NodeGroup
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ClusterMaxNodeLimit() int
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CurrentNodeCount() int
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}
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type estimationContext struct {
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similarNodeGroups []cloudprovider.NodeGroup
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currentNodeCount int
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clusterMaxNodeLimit int
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}
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// NewEstimationContext creates a patch for estimation context with runtime properties.
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// This patch is used to update existing context.
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func NewEstimationContext(clusterMaxNodeLimit int, similarNodeGroups []cloudprovider.NodeGroup, currentNodeCount int) EstimationContext {
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return &estimationContext{
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similarNodeGroups: similarNodeGroups,
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currentNodeCount: currentNodeCount,
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clusterMaxNodeLimit: clusterMaxNodeLimit,
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}
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}
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// SimilarNodeGroups returns array of similar node groups
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func (c *estimationContext) SimilarNodeGroups() []cloudprovider.NodeGroup {
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return c.similarNodeGroups
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}
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// ClusterMaxNodeLimit returns maximum node number allowed for the cluster
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func (c *estimationContext) ClusterMaxNodeLimit() int {
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return c.clusterMaxNodeLimit
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}
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// CurrentNodeCount returns current number of nodes in the cluster
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func (c *estimationContext) CurrentNodeCount() int {
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return c.currentNodeCount
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}
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