Merge pull request #9302 from giuseppe/cgroup-split-v1

utils: takes the longest path on cgroup v1

test/e2e/common_test.go

@@ -619,6 +619,13 @@ func SkipIfNotRootless(reason string) {
 	}
 }
 
+func SkipIfNotSystemd(manager, reason string) {
+	checkReason(reason)
+	if manager != "systemd" {
+		ginkgo.Skip("[notSystemd]: " + reason)
+	}
+}
+
 func SkipIfNotFedora() {
 	info := GetHostDistributionInfo()
 	if info.Distribution != "fedora" {

test/e2e/run_test.go

@@ -1191,6 +1191,37 @@ USER mail`
 		Expect(found).To(BeTrue())
 	})
 
+	It("podman run with cgroups=split", func() {
+		SkipIfNotSystemd(podmanTest.CgroupManager, "do not test --cgroups=split if not running on systemd")
+		SkipIfRootlessCgroupsV1("Disable cgroups not supported on cgroupv1 for rootless users")
+		SkipIfRemote("--cgroups=split cannot be used in remote mode")
+
+		container := podmanTest.Podman([]string{"run", "--rm", "--cgroups=split", ALPINE, "cat", "/proc/self/cgroup"})
+		container.WaitWithDefaultTimeout()
+		Expect(container.ExitCode()).To(Equal(0))
+		lines := container.OutputToStringArray()
+
+		cgroup := ""
+		for _, line := range lines {
+			parts := strings.SplitN(line, ":", 3)
+			if !CGROUPSV2 {
+				// ignore unified on cgroup v1
+				// both runc and crun do not set it.
+				if parts[1] == "" {
+					continue
+				}
+			}
+			if parts[2] == "/" {
+				continue
+			}
+			if cgroup == "" {
+				cgroup = parts[2]
+				continue
+			}
+			Expect(cgroup).To(Equal(parts[2]))
+		}
+	})
+
 	It("podman run with cgroups=disabled runs without cgroups", func() {
 		SkipIfRootless("FIXME:  I believe this should work but need to fix this test")
 		SkipIfRootlessCgroupsV1("Disable cgroups not supported on cgroupv1 for rootless users")