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Make cpu validation correct 

There was an error in validation logic before, should use period
instead of quota, and also add check for negative
number here, if not with that, it would had cpu.cfs_period_us: invalid argument
which is not good for users.

Signed-off-by: Kai Qiang Wu(Kennan) <wkqwu@cn.ibm.com>
This commit is contained in:
Kai Qiang Wu(Kennan) 2016-04-21 06:50:25 +00:00
parent 0b67f4c895
commit 62cb06a6c1
2 changed files with 20 additions and 1 deletions
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2
daemon/daemon_unix.go
View File

@ -402,7 +402,7 @@ 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) {
if resources.CPUPeriod != 0 && (resources.CPUPeriod < 1000 || resources.CPUPeriod > 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 {

19
integration-cli/docker_cli_run_unix_test.go
View File

@ -415,10 +415,29 @@ func (s *DockerSuite) TestRunWithCpuPeriod(c *check.C) {
out, _ := dockerCmd(c, "run", "--cpu-period", "50000", "--name", "test", "busybox", "cat", file)
c.Assert(strings.TrimSpace(out), checker.Equals, "50000")
out, _ = dockerCmd(c, "run", "--cpu-period", "0", "busybox", "cat", file)
c.Assert(strings.TrimSpace(out), checker.Equals, "100000")
out = inspectField(c, "test", "HostConfig.CpuPeriod")
c.Assert(out, checker.Equals, "50000", check.Commentf("setting the CPU CFS period failed"))
}
func (s *DockerSuite) TestRunWithInvalidCpuPeriod(c *check.C) {
testRequires(c, cpuCfsPeriod)
out, _, err := dockerCmdWithError("run", "--cpu-period", "900", "busybox", "true")
c.Assert(err, check.NotNil)
expected := "CPU cfs period can not be less than 1ms (i.e. 1000) or larger than 1s (i.e. 1000000)"
c.Assert(out, checker.Contains, expected)
out, _, err = dockerCmdWithError("run", "--cpu-period", "2000000", "busybox", "true")
c.Assert(err, check.NotNil)
c.Assert(out, checker.Contains, expected)
out, _, err = dockerCmdWithError("run", "--cpu-period", "-3", "busybox", "true")
c.Assert(err, check.NotNil)
c.Assert(out, checker.Contains, expected)
}
func (s *DockerSuite) TestRunWithKernelMemory(c *check.C) {
testRequires(c, kernelMemorySupport)