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Merge pull request #59309 from zhangxiaoyu-zidif/fix-node-describe

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Automatic merge from submit-queue (batch tested with PRs 59539, 59309). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

fix describe when allocatable CPU/Memory is 0

**What this PR does / why we need it**:

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```
This commit is contained in:
Kubernetes Submit Queue 2018-02-08 02:18:37 -08:00 committed by GitHub
commit 6827c3cf47
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1 changed files with 12 additions and 4 deletions
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16
pkg/printers/internalversion/describe.go
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@ -2917,10 +2917,18 @@ func describeNodeResource(nodeNonTerminatedPodsList *api.PodList, node *api.Node
w.Write(LEVEL_1, "------------\t----------\t---------------\t-------------\n")
reqs, limits := getPodsTotalRequestsAndLimits(nodeNonTerminatedPodsList)
cpuReqs, cpuLimits, memoryReqs, memoryLimits := reqs[api.ResourceCPU], limits[api.ResourceCPU], reqs[api.ResourceMemory], limits[api.ResourceMemory]
fractionCpuReqs := float64(cpuReqs.MilliValue()) / float64(allocatable.Cpu().MilliValue()) * 100
fractionCpuLimits := float64(cpuLimits.MilliValue()) / float64(allocatable.Cpu().MilliValue()) * 100
fractionMemoryReqs := float64(memoryReqs.Value()) / float64(allocatable.Memory().Value()) * 100
fractionMemoryLimits := float64(memoryLimits.Value()) / float64(allocatable.Memory().Value()) * 100
fractionCpuReqs := float64(0)
fractionCpuLimits := float64(0)
if allocatable.Cpu().MilliValue() != 0 {
fractionCpuReqs = float64(cpuReqs.MilliValue()) / float64(allocatable.Cpu().MilliValue()) * 100
fractionCpuLimits = float64(cpuLimits.MilliValue()) / float64(allocatable.Cpu().MilliValue()) * 100
}
fractionMemoryReqs := float64(0)
fractionMemoryLimits := float64(0)
if allocatable.Memory().Value() != 0 {
fractionMemoryReqs = float64(memoryReqs.Value()) / float64(allocatable.Memory().Value()) * 100
fractionMemoryLimits = float64(memoryLimits.Value()) / float64(allocatable.Memory().Value()) * 100
}
w.Write(LEVEL_1, "%s (%d%%)\t%s (%d%%)\t%s (%d%%)\t%s (%d%%)\n",
cpuReqs.String(), int64(fractionCpuReqs), cpuLimits.String(), int64(fractionCpuLimits),
memoryReqs.String(), int64(fractionMemoryReqs), memoryLimits.String(), int64(fractionMemoryLimits))