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Add validation for cpu period and quota

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Accoding to:
https://www.kernel.org/doc/Documentation/scheduler/sched-bwc.txt

It has minimal and maximal limit.

Signed-off-by: Qiang Huang <h.huangqiang@huawei.com>
This commit is contained in:
Qiang Huang 2016-03-18 11:16:53 +08:00
parent c22d09f563
commit b041fdc0d5
1 changed files with 6 additions and 0 deletions
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6
daemon/daemon_unix.go
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@ -393,11 +393,17 @@ func verifyContainerResources(resources *containertypes.Resources, sysInfo *sysi
logrus.Warnf("Your kernel does not support CPU cfs period. Period discarded.")
resources.CPUPeriod = 0
}
if resources.CPUPeriod > 0 && (resources.CPUPeriod < 1000 || resources.CPUQuota > 1000000) {
return warnings, fmt.Errorf("CPU cfs period can not be less than 1ms (i.e. 1000) or larger than 1s (i.e. 1000000)")
}
if resources.CPUQuota > 0 && !sysInfo.CPUCfsQuota {
warnings = append(warnings, "Your kernel does not support CPU cfs quota. Quota discarded.")
logrus.Warnf("Your kernel does not support CPU cfs quota. Quota discarded.")
resources.CPUQuota = 0
}
if resources.CPUQuota > 0 && resources.CPUQuota < 1000 {
return warnings, fmt.Errorf("CPU cfs quota can not be less than 1ms (i.e. 1000)")
}
// cpuset subsystem checks and adjustments
if (resources.CpusetCpus != "" || resources.CpusetMems != "") && !sysInfo.Cpuset {