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tests: simplify --cgroups=disabled test

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read the cgroup directly from the container.

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
This commit is contained in:
Giuseppe Scrivano
2021-09-14 09:57:37 +02:00
parent b603c7a4b9
commit afe4d17be8
1 changed files with 8 additions and 13 deletions
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21
test/e2e/run_test.go
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@ -1330,28 +1330,23 @@ USER mail`, BB)
Skip("Test only works on crun")
}
trim := func(i string) string {
return strings.TrimSuffix(i, "\n")
}
curCgroupsBytes, err := ioutil.ReadFile("/proc/self/cgroup")
Expect(err).ShouldNot(HaveOccurred())
var curCgroups = string(curCgroupsBytes)
curCgroups := trim(string(curCgroupsBytes))
fmt.Printf("Output:\n%s\n", curCgroups)
Expect(curCgroups).ToNot(Equal(""))
ctrName := "testctr"
container := podmanTest.Podman([]string{"run", "--name", ctrName, "-d", "--cgroups=disabled", ALPINE, "top"})
container := podmanTest.Podman([]string{"run", "--cgroupns=host", "--cgroups=disabled", ALPINE, "cat", "/proc/self/cgroup"})
container.WaitWithDefaultTimeout()
Expect(container).Should(Exit(0))
// Get PID and get cgroups of that PID
inspectOut := podmanTest.InspectContainer(ctrName)
Expect(len(inspectOut)).To(Equal(1))
pid := inspectOut[0].State.Pid
Expect(pid).ToNot(Equal(0))
Expect(inspectOut[0].HostConfig.CgroupParent).To(Equal(""))
ctrCgroupsBytes, err := ioutil.ReadFile(fmt.Sprintf("/proc/%d/cgroup", pid))
Expect(err).ShouldNot(HaveOccurred())
var ctrCgroups = string(ctrCgroupsBytes)
ctrCgroups := trim(container.OutputToString())
fmt.Printf("Output\n:%s\n", ctrCgroups)
Expect(ctrCgroups).To(Equal(curCgroups))
})