forked from rook/rook
53 lines
1.7 KiB
Go
53 lines
1.7 KiB
Go
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/*
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Copyright 2017 The Rook Authors. All rights reserved.
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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 k8sutil for Kubernetes helpers.
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package k8sutil
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// MergeResourceRequirements merges two resource requirements together (first overrides second values)
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import (
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"k8s.io/api/core/v1"
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)
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func MergeResourceRequirements(first, second v1.ResourceRequirements) v1.ResourceRequirements {
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// if the first has a value not set check if second has and set it in first
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if _, ok := first.Limits[v1.ResourceCPU]; !ok {
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if first.Limits == nil {
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first.Limits = v1.ResourceList{}
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}
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first.Limits[v1.ResourceCPU] = second.Limits[v1.ResourceCPU]
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}
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if _, ok := first.Limits[v1.ResourceMemory]; !ok {
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if first.Limits == nil {
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first.Limits = v1.ResourceList{}
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}
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first.Limits[v1.ResourceMemory] = second.Limits[v1.ResourceMemory]
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}
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if _, ok := first.Requests[v1.ResourceCPU]; !ok {
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if first.Requests == nil {
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first.Requests = v1.ResourceList{}
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}
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first.Requests[v1.ResourceCPU] = second.Requests[v1.ResourceCPU]
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}
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if _, ok := first.Requests[v1.ResourceMemory]; !ok {
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if first.Requests == nil {
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first.Requests = v1.ResourceList{}
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}
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first.Requests[v1.ResourceMemory] = second.Requests[v1.ResourceMemory]
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}
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return first
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}
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