43 lines
1.7 KiB
Go
43 lines
1.7 KiB
Go
/*
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Copyright 2018 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 backoff
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import (
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"time"
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"k8s.io/autoscaler/cluster-autoscaler/cloudprovider"
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schedulerframework "k8s.io/kubernetes/pkg/scheduler/framework"
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)
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// Status contains information about back off status.
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type Status struct {
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IsBackedOff bool
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ErrorInfo cloudprovider.InstanceErrorInfo
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}
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// Backoff allows time-based backing off of node groups considered in scale up algorithm
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type Backoff interface {
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// Backoff execution for the given node group. Returns time till execution is backed off.
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Backoff(nodeGroup cloudprovider.NodeGroup, nodeInfo *schedulerframework.NodeInfo, errorInfo cloudprovider.InstanceErrorInfo, currentTime time.Time) time.Time
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// BackoffStatus returns whether the execution is backed off for the given node group and error info when the node group is backed off.
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BackoffStatus(nodeGroup cloudprovider.NodeGroup, nodeInfo *schedulerframework.NodeInfo, currentTime time.Time) Status
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// RemoveBackoff removes backoff data for the given node group.
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RemoveBackoff(nodeGroup cloudprovider.NodeGroup, nodeInfo *schedulerframework.NodeInfo)
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// RemoveStaleBackoffData removes stale backoff data.
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RemoveStaleBackoffData(currentTime time.Time)
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}
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