39 lines
1.5 KiB
Go
39 lines
1.5 KiB
Go
/*
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Copyright 2016 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 gce
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// MigOsInfo store os parameters.
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type MigOsInfo interface {
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// Os return operating system.
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Os() OperatingSystem
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// OsDistribution return operating system distribution.
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OsDistribution() OperatingSystemDistribution
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// Arch return system architecture.
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Arch() SystemArchitecture
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}
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// OsReservedCalculator calculates the OS reserved values.
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type OsReservedCalculator interface {
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// CalculateKernelReserved computes how much memory OS kernel will reserve.
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// NodeVersion parameter is optional. If empty string is passed a result calculated using default node version will be returned.
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CalculateKernelReserved(m MigOsInfo, physicalMemory int64) int64
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// CalculateOSReservedEphemeralStorage estimates how much ephemeral storage OS will reserve and eviction threshold.
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// NodeVersion parameter is optional. If empty string is passed a result calculated using default node version will be returned.
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CalculateOSReservedEphemeralStorage(m MigOsInfo, diskSize int64) int64
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}
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