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https://github.com/containers/podman.git
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667311c7d5
Conmon writes the exit file and oom file (if container was oom killed) to the persist directory. This directory is retained across reboots as well. Update podman to create a persist-dir/ctr-id for the exit and oom files for each container to be written to. The oom state of container is set after reading the files from the persist-dir/ctr-id directory. The exit code still continues to read the exit file from the exits directory. Signed-off-by: Urvashi Mohnani <umohnani@redhat.com>
109 lines
4.2 KiB
Go
109 lines
4.2 KiB
Go
package integration
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import (
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"fmt"
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. "github.com/containers/podman/v5/test/utils"
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. "github.com/onsi/ginkgo/v2"
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. "github.com/onsi/gomega"
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)
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var _ = Describe("Podman run memory", func() {
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BeforeEach(func() {
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SkipIfRootlessCgroupsV1("Setting Memory not supported on cgroupv1 for rootless users")
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})
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It("podman run memory test", func() {
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var session *PodmanSessionIntegration
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if CGROUPSV2 {
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session = podmanTest.Podman([]string{"run", "--memory=40m", "--net=none", ALPINE, "sh", "-c", "cat /sys/fs/cgroup/$(sed -e 's|0::||' < /proc/self/cgroup)/memory.max"})
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} else {
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session = podmanTest.Podman([]string{"run", "--memory=40m", ALPINE, "cat", "/sys/fs/cgroup/memory/memory.limit_in_bytes"})
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}
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session.WaitWithDefaultTimeout()
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Expect(session).Should(ExitCleanly())
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Expect(session.OutputToString()).To(Equal("41943040"))
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})
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It("podman run memory-reservation test", func() {
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var session *PodmanSessionIntegration
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if CGROUPSV2 {
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session = podmanTest.Podman([]string{"run", "--memory-reservation=40m", "--net=none", ALPINE, "sh", "-c", "cat /sys/fs/cgroup/$(sed -e 's|0::||' < /proc/self/cgroup)/memory.low"})
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} else {
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session = podmanTest.Podman([]string{"run", "--memory-reservation=40m", ALPINE, "cat", "/sys/fs/cgroup/memory/memory.soft_limit_in_bytes"})
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}
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session.WaitWithDefaultTimeout()
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Expect(session).Should(ExitCleanly())
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Expect(session.OutputToString()).To(Equal("41943040"))
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})
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It("podman run memory-swap test", func() {
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var (
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session *PodmanSessionIntegration
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expect string
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)
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if CGROUPSV2 {
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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"})
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expect = "10485760"
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} else {
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session = podmanTest.Podman([]string{"run", "--memory=20m", "--memory-swap=30M", ALPINE, "cat", "/sys/fs/cgroup/memory/memory.memsw.limit_in_bytes"})
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expect = "31457280"
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}
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session.WaitWithDefaultTimeout()
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Expect(session).Should(ExitCleanly())
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Expect(session.OutputToString()).To(Equal(expect))
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})
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for _, limit := range []string{"0", "15", "100"} {
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limit := limit // Keep this value in a proper scope
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testName := fmt.Sprintf("podman run memory-swappiness test(%s)", limit)
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It(testName, func() {
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SkipIfCgroupV2("memory-swappiness not supported on cgroupV2")
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session := podmanTest.Podman([]string{"run", fmt.Sprintf("--memory-swappiness=%s", limit), ALPINE, "cat", "/sys/fs/cgroup/memory/memory.swappiness"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(ExitCleanly())
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Expect(session.OutputToString()).To(Equal(limit))
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})
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}
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It("podman run memory test on oomkilled container", func() {
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mem := SystemExec("cat", []string{"/proc/sys/vm/overcommit_memory"})
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mem.WaitWithDefaultTimeout()
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if mem.OutputToString() != "0" {
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Skip("overcommit memory is not set to 0")
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}
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ctrName := "oomkilled-ctr"
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// create a container that gets oomkilled
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session := podmanTest.Podman([]string{"run", "--name", ctrName, "--read-only", "--memory-swap=20m", "--memory=20m", "--oom-score-adj=1000", ALPINE, "sort", "/dev/urandom"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(ExitWithError())
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inspect := podmanTest.Podman(([]string{"inspect", "--format", "{{.State.OOMKilled}} {{.State.ExitCode}}", ctrName}))
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inspect.WaitWithDefaultTimeout()
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Expect(inspect).Should(ExitCleanly())
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// Check oomkilled and exit code values
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Expect(inspect.OutputToString()).Should(ContainSubstring("true"))
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Expect(inspect.OutputToString()).Should(ContainSubstring("137"))
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})
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It("podman run memory test on successfully exited container", func() {
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ctrName := "success-ctr"
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session := podmanTest.Podman([]string{"run", "--name", ctrName, "--memory=40m", ALPINE, "echo", "hello"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(ExitCleanly())
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inspect := podmanTest.Podman(([]string{"inspect", "--format", "{{.State.OOMKilled}} {{.State.ExitCode}}", ctrName}))
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inspect.WaitWithDefaultTimeout()
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Expect(inspect).Should(ExitCleanly())
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// Check oomkilled and exit code values
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Expect(inspect.OutputToString()).Should(ContainSubstring("false"))
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Expect(inspect.OutputToString()).Should(ContainSubstring("0"))
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})
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})
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