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Merge pull request #18697 from jfrazelle/pids-cgroup

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Add PIDs cgroup support to Docker
This commit is contained in:
David Calavera
2016-03-08 14:03:36 -08:00
parent 76a5ab3b43 69cf03700f
commit dd32445ecc
21 changed files with 83 additions and 4 deletions
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12
integration-cli/docker_cli_run_unix_test.go
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@@ -968,3 +968,15 @@ func (s *DockerSuite) TestRunDeviceSymlink(c *check.C) {
c.Assert(err, check.NotNil)
c.Assert(strings.Trim(out, "\r\n"), checker.Contains, "not a device node", check.Commentf("expected output 'not a device node'"))
}
// TestRunPidsLimit makes sure the pids cgroup is set with --pids-limit
func (s *DockerSuite) TestRunPidsLimit(c *check.C) {
testRequires(c, pidsLimit)
file := "/sys/fs/cgroup/pids/pids.max"
out, _ := dockerCmd(c, "run", "--name", "skittles", "--pids-limit", "2", "busybox", "cat", file)
c.Assert(strings.TrimSpace(out), checker.Equals, "2")
out = inspectField(c, "skittles", "HostConfig.PidsLimit")
c.Assert(out, checker.Equals, "2", check.Commentf("setting the pids limit failed"))
}