github.com/containers/libpod@v1.9.4-0.20220419124438-4284fd425507/test/e2e/run_memory_test.go (about)

     1  // +build !remoteclient
     2  
     3  package integration
     4  
     5  import (
     6  	"os"
     7  
     8  	"github.com/containers/libpod/pkg/cgroups"
     9  	. "github.com/containers/libpod/test/utils"
    10  	. "github.com/onsi/ginkgo"
    11  	. "github.com/onsi/gomega"
    12  )
    13  
    14  var _ = Describe("Podman run memory", func() {
    15  	var (
    16  		tempdir    string
    17  		err        error
    18  		podmanTest *PodmanTestIntegration
    19  	)
    20  
    21  	BeforeEach(func() {
    22  		SkipIfRootless()
    23  		tempdir, err = CreateTempDirInTempDir()
    24  		if err != nil {
    25  			os.Exit(1)
    26  		}
    27  		podmanTest = PodmanTestCreate(tempdir)
    28  		podmanTest.Setup()
    29  		podmanTest.SeedImages()
    30  	})
    31  
    32  	AfterEach(func() {
    33  		podmanTest.Cleanup()
    34  		f := CurrentGinkgoTestDescription()
    35  		processTestResult(f)
    36  
    37  	})
    38  
    39  	It("podman run memory test", func() {
    40  		cgroupsv2, err := cgroups.IsCgroup2UnifiedMode()
    41  		Expect(err).To(BeNil())
    42  
    43  		var session *PodmanSessionIntegration
    44  
    45  		if cgroupsv2 {
    46  			session = podmanTest.Podman([]string{"run", "--memory=40m", ALPINE, "sh", "-c", "cat /sys/fs/cgroup/$(sed -e 's|0::||' < /proc/self/cgroup)/memory.max"})
    47  		} else {
    48  			session = podmanTest.Podman([]string{"run", "--memory=40m", ALPINE, "cat", "/sys/fs/cgroup/memory/memory.limit_in_bytes"})
    49  		}
    50  		session.WaitWithDefaultTimeout()
    51  		Expect(session.ExitCode()).To(Equal(0))
    52  		Expect(session.OutputToString()).To(Equal("41943040"))
    53  	})
    54  
    55  	It("podman run memory-reservation test", func() {
    56  		if podmanTest.Host.Distribution == "ubuntu" {
    57  			Skip("Unable to perform test on Ubuntu distributions due to memory management")
    58  		}
    59  
    60  		cgroupsv2, err := cgroups.IsCgroup2UnifiedMode()
    61  		Expect(err).To(BeNil())
    62  
    63  		var session *PodmanSessionIntegration
    64  
    65  		if cgroupsv2 {
    66  			session = podmanTest.Podman([]string{"run", "--memory-reservation=40m", ALPINE, "sh", "-c", "cat /sys/fs/cgroup/$(sed -e 's|0::||' < /proc/self/cgroup)/memory.high"})
    67  		} else {
    68  			session = podmanTest.Podman([]string{"run", "--memory-reservation=40m", ALPINE, "cat", "/sys/fs/cgroup/memory/memory.soft_limit_in_bytes"})
    69  		}
    70  
    71  		session.WaitWithDefaultTimeout()
    72  		Expect(session.ExitCode()).To(Equal(0))
    73  		if cgroupsv2 {
    74  			Expect(session.OutputToString()).To(Equal("max"))
    75  		} else {
    76  			Expect(session.OutputToString()).To(Equal("41943040"))
    77  		}
    78  	})
    79  
    80  	It("podman run memory-swappiness test", func() {
    81  		cgroupsv2, err := cgroups.IsCgroup2UnifiedMode()
    82  		Expect(err).To(BeNil())
    83  
    84  		if cgroupsv2 {
    85  			Skip("Memory swappiness not supported on cgroups v2")
    86  		}
    87  
    88  		session := podmanTest.Podman([]string{"run", "--memory-swappiness=15", ALPINE, "cat", "/sys/fs/cgroup/memory/memory.swappiness"})
    89  		session.WaitWithDefaultTimeout()
    90  		Expect(session.ExitCode()).To(Equal(0))
    91  		Expect(session.OutputToString()).To(Equal("15"))
    92  	})
    93  
    94  	It("podman run kernel-memory test", func() {
    95  		cgroupsv2, err := cgroups.IsCgroup2UnifiedMode()
    96  		Expect(err).To(BeNil())
    97  
    98  		if cgroupsv2 {
    99  			Skip("Kernel memory not supported on cgroups v2")
   100  		}
   101  		session := podmanTest.Podman([]string{"run", "--kernel-memory=40m", ALPINE, "cat", "/sys/fs/cgroup/memory/memory.kmem.limit_in_bytes"})
   102  		session.WaitWithDefaultTimeout()
   103  		Expect(session.ExitCode()).To(Equal(0))
   104  		Expect(session.OutputToString()).To(Equal("41943040"))
   105  	})
   106  })