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Merge pull request #15713 from sstosh/cpu-rt-cgroupsv2

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Ignore cpu realtime options on cgroups V2 systems
This commit is contained in:
OpenShift Merge Robot
2022-09-09 12:23:20 +02:00
committed by GitHub
parent 6d8bafe57a c7411af9e2
commit f24bdeef26
2 changed files with 31 additions and 1 deletions
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16
pkg/specgen/generate/validate.go
View File

@ -82,7 +82,7 @@ func verifyContainerResourcesCgroupV1(s *specgen.SpecGenerator) ([]string, error
}
}
// CPU Checks
// CPU checks
if s.ResourceLimits.CPU != nil {
cpu := s.ResourceLimits.CPU
if cpu.Shares != nil && !sysInfo.CPUShares {
@ -169,6 +169,7 @@ func verifyContainerResourcesCgroupV2(s *specgen.SpecGenerator) ([]string, error
return warnings, nil
}
// Memory checks
if s.ResourceLimits.Memory != nil && s.ResourceLimits.Memory.Swap != nil {
own, err := utils.GetOwnCgroup()
if err != nil {
@ -198,6 +199,19 @@ func verifyContainerResourcesCgroupV2(s *specgen.SpecGenerator) ([]string, error
s.ResourceLimits.Memory.Swap = nil
}
}
// CPU checks
if s.ResourceLimits.CPU != nil {
cpu := s.ResourceLimits.CPU
if cpu.RealtimePeriod != nil {
warnings = append(warnings, "Realtime period not supported on cgroups V2 systems")
cpu.RealtimePeriod = nil
}
if cpu.RealtimeRuntime != nil {
warnings = append(warnings, "Realtime runtime not supported on cgroups V2 systems")
cpu.RealtimeRuntime = nil
}
}
return warnings, nil
}

16
test/e2e/run_cpu_test.go
View File

@ -138,4 +138,20 @@ var _ = Describe("Podman run cpu", func() {
result.WaitWithDefaultTimeout()
Expect(result).To(ExitWithError())
})
It("podman run invalid cpu-rt-period with cgroupsv2", func() {
SkipIfCgroupV1("testing options that only work in cgroup v2")
result := podmanTest.Podman([]string{"run", "--rm", "--cpu-rt-period=5000", ALPINE, "ls"})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
Expect(result.ErrorToString()).To(ContainSubstring("Realtime period not supported on cgroups V2 systems"))
})
It("podman run invalid cpu-rt-runtime with cgroupsv2", func() {
SkipIfCgroupV1("testing options that only work in cgroup v2")
result := podmanTest.Podman([]string{"run", "--rm", "--cpu-rt-runtime=5000", ALPINE, "ls"})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
Expect(result.ErrorToString()).To(ContainSubstring("Realtime runtime not supported on cgroups V2 systems"))
})
})