From 8ccf2539edc5ed65ec8b2a4353e2a21176884287 Mon Sep 17 00:00:00 2001 From: Giuseppe Scrivano Date: Wed, 28 Jul 2021 16:52:22 +0200 Subject: test: move container process to a sub-cgroup move the container to a sub-cgroup before creating a sibling hierarchy. Signed-off-by: Giuseppe Scrivano --- test/e2e/run_cgroup_parent_test.go | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/test/e2e/run_cgroup_parent_test.go b/test/e2e/run_cgroup_parent_test.go index 300c3a8e0..3e261961b 100644 --- a/test/e2e/run_cgroup_parent_test.go +++ b/test/e2e/run_cgroup_parent_test.go @@ -2,6 +2,7 @@ package integration import ( "fmt" + "io/ioutil" "os" "path/filepath" "strings" @@ -80,7 +81,21 @@ var _ = Describe("Podman run with --cgroup-parent", func() { exec.WaitWithDefaultTimeout() Expect(exec).Should(Exit(0)) - cgroup := filepath.Dir(strings.TrimRight(strings.Replace(exec.OutputToString(), "0::", "", -1), "\n")) + containerCgroup := strings.TrimRight(strings.Replace(exec.OutputToString(), "0::", "", -1), "\n") + + content, err := ioutil.ReadFile(filepath.Join("/sys/fs/cgroup", containerCgroup, "cgroup.procs")) + Expect(err).To(BeNil()) + + // Move the container process to a sub cgroup + subCgroupPath := filepath.Join(filepath.Join("/sys/fs/cgroup", containerCgroup, "old-container")) + + err = os.MkdirAll(subCgroupPath, 0755) + Expect(err).To(BeNil()) + + err = ioutil.WriteFile(filepath.Join(subCgroupPath, "cgroup.procs"), content, 0644) + Expect(err).To(BeNil()) + + cgroup := filepath.Dir(containerCgroup) run = podmanTest.Podman([]string{"--cgroup-manager=cgroupfs", "run", "-d", fmt.Sprintf("--cgroup-parent=%s", cgroup), fedoraMinimal, "sleep", "100"}) run.WaitWithDefaultTimeout() -- cgit v1.2.3-54-g00ecf