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package integration
import (
"fmt"
"os"
. "github.com/containers/podman/v4/test/utils"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
. "github.com/onsi/gomega/gexec"
)
var _ = Describe("Podman run memory", func() {
var (
tempdir string
err error
podmanTest *PodmanTestIntegration
)
BeforeEach(func() {
SkipIfRootlessCgroupsV1("Setting Memory not supported on cgroupv1 for rootless users")
tempdir, err = CreateTempDirInTempDir()
if err != nil {
os.Exit(1)
}
podmanTest = PodmanTestCreate(tempdir)
podmanTest.Setup()
})
AfterEach(func() {
podmanTest.Cleanup()
f := CurrentGinkgoTestDescription()
processTestResult(f)
})
It("podman run memory test", func() {
var session *PodmanSessionIntegration
if CGROUPSV2 {
session = podmanTest.Podman([]string{"run", "--memory=40m", "--net=none", ALPINE, "sh", "-c", "cat /sys/fs/cgroup/$(sed -e 's|0::||' < /proc/self/cgroup)/memory.max"})
} else {
session = podmanTest.Podman([]string{"run", "--memory=40m", ALPINE, "cat", "/sys/fs/cgroup/memory/memory.limit_in_bytes"})
}
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
Expect(session.OutputToString()).To(Equal("41943040"))
})
It("podman run memory-reservation test", func() {
if podmanTest.Host.Distribution == "ubuntu" {
Skip("Unable to perform test on Ubuntu distributions due to memory management")
}
var session *PodmanSessionIntegration
if CGROUPSV2 {
session = podmanTest.Podman([]string{"run", "--memory-reservation=40m", "--net=none", ALPINE, "sh", "-c", "cat /sys/fs/cgroup/$(sed -e 's|0::||' < /proc/self/cgroup)/memory.low"})
} else {
session = podmanTest.Podman([]string{"run", "--memory-reservation=40m", ALPINE, "cat", "/sys/fs/cgroup/memory/memory.soft_limit_in_bytes"})
}
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
Expect(session.OutputToString()).To(Equal("41943040"))
})
for _, limit := range []string{"0", "15", "100"} {
limit := limit // Keep this value in a proper scope
testName := fmt.Sprintf("podman run memory-swappiness test(%s)", limit)
It(testName, func() {
SkipIfCgroupV2("memory-swappiness not supported on cgroupV2")
session := podmanTest.Podman([]string{"run", fmt.Sprintf("--memory-swappiness=%s", limit), ALPINE, "cat", "/sys/fs/cgroup/memory/memory.swappiness"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
Expect(session.OutputToString()).To(Equal(limit))
})
}
})
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