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//go:build linux || freebsd
package integration
import (
"fmt"
. "github.com/containers/podman/v5/test/utils"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
)
var _ = Describe("Podman run memory", func() {
BeforeEach(func() {
SkipIfRootlessCgroupsV1("Setting Memory not supported on cgroupv1 for rootless users")
})
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/$(sed -e 's|0::||' < /proc/self/cgroup)/memory.max"})
} else {
session = podmanTest.Podman([]string{"run", "--memory=40m", ALPINE, "cat", "/sys/fs/cgroup/memory/memory.limit_in_bytes"})
}
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
Expect(session.OutputToString()).To(Equal("41943040"))
})
It("podman run memory-reservation test", func() {
var session *PodmanSessionIntegration
if CGROUPSV2 {
session = podmanTest.Podman([]string{"run", "--memory-reservation=40m", "--net=none", ALPINE, "sh", "-c", "cat /sys/fs/cgroup/$(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(ExitCleanly())
Expect(session.OutputToString()).To(Equal("41943040"))
})
It("podman run memory-swap test", func() {
var (
session *PodmanSessionIntegration
expect string
)
if CGROUPSV2 {
session = podmanTest.Podman([]string{"run", "--memory=20m", "--memory-swap=30M", "--net=none", ALPINE, "sh", "-c", "cat /sys/fs/cgroup/$(sed -e 's|0::||' < /proc/self/cgroup)/memory.swap.max"})
expect = "10485760"
} else {
session = podmanTest.Podman([]string{"run", "--memory=20m", "--memory-swap=30M", ALPINE, "cat", "/sys/fs/cgroup/memory/memory.memsw.limit_in_bytes"})
expect = "31457280"
}
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
Expect(session.OutputToString()).To(Equal(expect))
})
for _, limit := range []string{"0", "15", "100"} {
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(ExitCleanly())
Expect(session.OutputToString()).To(Equal(limit))
})
}
It("podman run memory test on oomkilled container", func() {
mem := SystemExec("cat", []string{"/proc/sys/vm/overcommit_memory"})
mem.WaitWithDefaultTimeout()
if mem.OutputToString() != "0" {
Skip("overcommit memory is not set to 0")
}
ctrName := "oomkilled-ctr"
// create a container that gets oomkilled
session := podmanTest.Podman([]string{"run", "--name", ctrName, "--read-only", "--memory-swap=20m", "--memory=20m", "--oom-score-adj=1000", ALPINE, "sort", "/dev/urandom"})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitWithError(137, ""))
inspect := podmanTest.Podman(([]string{"inspect", "--format", "{{.State.OOMKilled}} {{.State.ExitCode}}", ctrName}))
inspect.WaitWithDefaultTimeout()
Expect(inspect).Should(ExitCleanly())
// Check oomkilled and exit code values
Expect(inspect.OutputToString()).Should(Equal("true 137"))
})
It("podman run memory test on successfully exited container", func() {
ctrName := "success-ctr"
session := podmanTest.Podman([]string{"run", "--name", ctrName, "--memory=40m", ALPINE, "echo", "hello"})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
inspect := podmanTest.Podman(([]string{"inspect", "--format", "{{.State.OOMKilled}} {{.State.ExitCode}}", ctrName}))
inspect.WaitWithDefaultTimeout()
Expect(inspect).Should(ExitCleanly())
// Check oomkilled and exit code values
Expect(inspect.OutputToString()).Should(Equal("false 0"))
})
})
|
