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package integration
import (
"io/ioutil"
"os"
"github.com/containers/podman/v2/pkg/cgroups"
. "github.com/containers/podman/v2/test/utils"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("Podman run cpu", func() {
var (
tempdir string
err error
podmanTest *PodmanTestIntegration
)
BeforeEach(func() {
SkipIfRootlessCgroupsV1()
tempdir, err = CreateTempDirInTempDir()
if err != nil {
os.Exit(1)
}
cgroupsv2, err := cgroups.IsCgroup2UnifiedMode()
Expect(err).To(BeNil())
if cgroupsv2 {
if err := ioutil.WriteFile("/sys/fs/cgroup/cgroup.subtree_control", []byte("+cpuset"), 0644); err != nil {
Skip("cpuset controller not available on the current kernel")
}
}
podmanTest = PodmanTestCreate(tempdir)
podmanTest.Setup()
podmanTest.SeedImages()
})
AfterEach(func() {
podmanTest.Cleanup()
f := CurrentGinkgoTestDescription()
processTestResult(f)
})
It("podman run cpu-period", func() {
var result *PodmanSessionIntegration
if CGROUPSV2 {
result = podmanTest.Podman([]string{"run", "--rm", "--cpu-period=5000", ALPINE, "sh", "-c", "cat /sys/fs/cgroup/$(sed -e 's|0::||' < /proc/self/cgroup)/cpu.max"})
} else {
result = podmanTest.Podman([]string{"run", "--rm", "--cpu-period=5000", ALPINE, "cat", "/sys/fs/cgroup/cpu/cpu.cfs_period_us"})
}
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(result.LineInOutputContains("5000")).To(BeTrue())
})
It("podman run cpu-quota", func() {
var result *PodmanSessionIntegration
if CGROUPSV2 {
result = podmanTest.Podman([]string{"run", "--rm", "--cpu-quota=5000", ALPINE, "sh", "-c", "cat /sys/fs/cgroup/$(sed -e 's|0::||' < /proc/self/cgroup)/cpu.max"})
} else {
result = podmanTest.Podman([]string{"run", "--rm", "--cpu-quota=5000", ALPINE, "cat", "/sys/fs/cgroup/cpu/cpu.cfs_quota_us"})
}
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(result.LineInOutputContains("5000")).To(BeTrue())
})
It("podman run cpus", func() {
if CGROUPSV2 {
result := podmanTest.Podman([]string{"run", "--rm", "--cpu-quota=5000", ALPINE, "sh", "-c", "cat /sys/fs/cgroup/$(sed -e 's|0::||' < /proc/self/cgroup)/cpu.max"})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(result.OutputToString()).To(Equal("5000 100000"))
} else {
result := podmanTest.Podman([]string{"run", "--rm", "--cpus=0.5", ALPINE, "cat", "/sys/fs/cgroup/cpu/cpu.cfs_period_us"})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(result.OutputToString()).To(Equal("100000"))
result = podmanTest.Podman([]string{"run", "--rm", "--cpus=0.5", ALPINE, "cat", "/sys/fs/cgroup/cpu/cpu.cfs_quota_us"})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(result.OutputToString()).To(Equal("50000"))
}
})
It("podman run cpu-shares", func() {
if CGROUPSV2 {
// [2-262144] is mapped to [1-10000]
result := podmanTest.Podman([]string{"run", "--rm", "--cpu-shares=262144", ALPINE, "sh", "-c", "cat /sys/fs/cgroup/$(sed -e 's|0::||' < /proc/self/cgroup)/cpu.weight"})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(result.OutputToString()).To(Equal("10000"))
} else {
result := podmanTest.Podman([]string{"run", "--rm", "--cpu-shares=2", ALPINE, "cat", "/sys/fs/cgroup/cpu/cpu.shares"})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(result.OutputToString()).To(Equal("2"))
}
})
It("podman run cpuset-cpus", func() {
var result *PodmanSessionIntegration
if CGROUPSV2 {
result = podmanTest.Podman([]string{"run", "--rm", "--cpuset-cpus=0", ALPINE, "sh", "-c", "cat /sys/fs/cgroup/$(sed -e 's|0::||' < /proc/self/cgroup)/cpuset.cpus.effective"})
} else {
result = podmanTest.Podman([]string{"run", "--rm", "--cpuset-cpus=0", ALPINE, "cat", "/sys/fs/cgroup/cpuset/cpuset.cpus"})
}
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(result.OutputToString()).To(Equal("0"))
})
It("podman run cpuset-mems", func() {
var result *PodmanSessionIntegration
if CGROUPSV2 {
result = podmanTest.Podman([]string{"run", "--rm", "--cpuset-mems=0", ALPINE, "sh", "-c", "cat /sys/fs/cgroup/$(sed -e 's|0::||' < /proc/self/cgroup)/cpuset.mems.effective"})
} else {
result = podmanTest.Podman([]string{"run", "--rm", "--cpuset-mems=0", ALPINE, "cat", "/sys/fs/cgroup/cpuset/cpuset.mems"})
}
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(result.OutputToString()).To(Equal("0"))
})
It("podman run cpus and cpu-period", func() {
result := podmanTest.Podman([]string{"run", "--rm", "--cpu-period=5000", "--cpus=0.5", ALPINE, "ls"})
result.WaitWithDefaultTimeout()
Expect(result).To(ExitWithError())
})
It("podman run cpus and cpu-quota", func() {
result := podmanTest.Podman([]string{"run", "--rm", "--cpu-quota=5000", "--cpus=0.5", ALPINE, "ls"})
result.WaitWithDefaultTimeout()
Expect(result).To(ExitWithError())
})
})
|
