Files
podman/test/e2e/run_cgroup_parent_test.go
Giuseppe Scrivano b8514ca6f3 namespaces: by default create cgroupns on cgroups v2
change the default on cgroups v2 and create a new cgroup namespace.

When a cgroup namespace is used, processes inside the namespace are
only able to see cgroup paths relative to the cgroup namespace root
and not have full visibility on all the cgroups present on the
system.

The previous behaviour is maintained on a cgroups v1 host, where a
cgroup namespace is not created by default.

Closes: https://github.com/containers/libpod/issues/4363

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
2019-11-05 17:29:01 +01:00

74 lines
1.9 KiB
Go

// +build !remoteclient
package integration
import (
"os"
. "github.com/containers/libpod/test/utils"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("Podman run with --cgroup-parent", func() {
var (
tempdir string
err error
podmanTest *PodmanTestIntegration
)
BeforeEach(func() {
SkipIfRootless()
tempdir, err = CreateTempDirInTempDir()
if err != nil {
os.Exit(1)
}
podmanTest = PodmanTestCreate(tempdir)
podmanTest.Setup()
podmanTest.SeedImages()
})
AfterEach(func() {
podmanTest.Cleanup()
f := CurrentGinkgoTestDescription()
processTestResult(f)
})
Specify("valid --cgroup-parent using cgroupfs", func() {
if !Containerized() {
Skip("Must be containerized to run this test.")
}
cgroup := "/zzz"
run := podmanTest.Podman([]string{"run", "--cgroupns=host", "--cgroup-parent", cgroup, fedoraMinimal, "cat", "/proc/self/cgroup"})
run.WaitWithDefaultTimeout()
Expect(run.ExitCode()).To(Equal(0))
ok, _ := run.GrepString(cgroup)
Expect(ok).To(BeTrue())
})
Specify("no --cgroup-parent", func() {
cgroup := "/libpod_parent"
if !Containerized() && podmanTest.CgroupManager != "cgroupfs" {
cgroup = "/machine.slice"
}
run := podmanTest.Podman([]string{"run", "--cgroupns=host", fedoraMinimal, "cat", "/proc/self/cgroup"})
run.WaitWithDefaultTimeout()
Expect(run.ExitCode()).To(Equal(0))
ok, _ := run.GrepString(cgroup)
Expect(ok).To(BeTrue())
})
Specify("valid --cgroup-parent using slice", func() {
if Containerized() || podmanTest.CgroupManager == "cgroupfs" {
Skip("Requires Systemd cgroup manager support")
}
cgroup := "aaaa.slice"
run := podmanTest.Podman([]string{"run", "--cgroupns=host", "--cgroup-parent", cgroup, fedoraMinimal, "cat", "/proc/1/cgroup"})
run.WaitWithDefaultTimeout()
Expect(run.ExitCode()).To(Equal(0))
ok, _ := run.GrepString(cgroup)
Expect(ok).To(BeTrue())
})
})