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path: root/test/e2e/pod_stats_test.go
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package integration

import (
	"os"

	. "github.com/containers/podman/v2/test/utils"
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
	. "github.com/onsi/gomega/gexec"
)

var _ = Describe("Podman pod stats", func() {
	var (
		err        error
		tempdir    string
		podmanTest *PodmanTestIntegration
	)

	BeforeEach(func() {
		if os.Geteuid() != 0 {
			SkipIfCgroupV2("--cgroup-manager=cgroupfs which doesn't work in rootless mode")
		}
		if isContainerized() {
			SkipIfCgroupV1("All tests fail Error: unable to load cgroup at ...: cgroup deleted")
		}

		tempdir, err = CreateTempDirInTempDir()
		if err != nil {
			os.Exit(1)
		}
		podmanTest = PodmanTestCreate(tempdir)
		podmanTest.Setup()
		podmanTest.SeedImages()
	})

	AfterEach(func() {
		podmanTest.Cleanup()
		f := CurrentGinkgoTestDescription()
		processTestResult(f)

	})
	It("podman stats should run with no pods", func() {
		session := podmanTest.Podman([]string{"pod", "stats", "--no-stream"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))
	})

	It("podman stats with a bogus pod", func() {
		session := podmanTest.Podman([]string{"pod", "stats", "foobar"})
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(125))
	})

	It("podman stats on a specific running pod", func() {
		_, ec, podid := podmanTest.CreatePod("")
		Expect(ec).To(Equal(0))

		session := podmanTest.RunTopContainerInPod("", podid)
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		session = podmanTest.RunTopContainerInPod("", podid)
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		stats := podmanTest.Podman([]string{"pod", "stats", "--no-stream", podid})
		stats.WaitWithDefaultTimeout()
		Expect(stats.ExitCode()).To(Equal(0))
	})

	It("podman stats on a specific running pod with shortID", func() {
		_, ec, podid := podmanTest.CreatePod("")
		Expect(ec).To(Equal(0))

		session := podmanTest.RunTopContainerInPod("", podid)
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		session = podmanTest.RunTopContainerInPod("", podid)
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		stats := podmanTest.Podman([]string{"pod", "stats", "--no-stream", podid[:5]})
		stats.WaitWithDefaultTimeout()
		Expect(stats.ExitCode()).To(Equal(0))
	})

	It("podman stats on a specific running pod with name", func() {
		_, ec, podid := podmanTest.CreatePod("test")
		Expect(ec).To(Equal(0))

		session := podmanTest.RunTopContainerInPod("", podid)
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		session = podmanTest.RunTopContainerInPod("", podid)
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		stats := podmanTest.Podman([]string{"pod", "stats", "--no-stream", "test"})
		stats.WaitWithDefaultTimeout()
		Expect(stats.ExitCode()).To(Equal(0))
	})

	It("podman stats on running pods", func() {
		_, ec, podid := podmanTest.CreatePod("")
		Expect(ec).To(Equal(0))

		session := podmanTest.RunTopContainerInPod("", podid)
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		session = podmanTest.RunTopContainerInPod("", podid)
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		stats := podmanTest.Podman([]string{"pod", "stats", "--no-stream"})
		stats.WaitWithDefaultTimeout()
		Expect(stats.ExitCode()).To(Equal(0))
	})

	It("podman stats on all pods", func() {
		_, ec, podid := podmanTest.CreatePod("")
		Expect(ec).To(Equal(0))

		session := podmanTest.RunTopContainerInPod("", podid)
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		session = podmanTest.RunTopContainerInPod("", podid)
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		stats := podmanTest.Podman([]string{"pod", "stats", "--no-stream", "-a"})
		stats.WaitWithDefaultTimeout()
		Expect(stats.ExitCode()).To(Equal(0))
	})

	It("podman stats with json output", func() {
		_, ec, podid := podmanTest.CreatePod("")
		Expect(ec).To(Equal(0))

		session := podmanTest.RunTopContainerInPod("", podid)
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		session = podmanTest.RunTopContainerInPod("", podid)
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))

		stats := podmanTest.Podman([]string{"pod", "stats", "--format", "json", "--no-stream", "-a"})
		stats.WaitWithDefaultTimeout()
		Expect(stats.ExitCode()).To(Equal(0))
		Expect(stats.IsJSONOutputValid()).To(BeTrue())
	})
	It("podman stats with GO template", func() {
		_, ec, podid := podmanTest.CreatePod("")
		Expect(ec).To(Equal(0))

		session := podmanTest.RunTopContainerInPod("", podid)
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))
		stats := podmanTest.Podman([]string{"pod", "stats", "-a", "--no-reset", "--no-stream", "--format", "table {{.CID}} {{.Pod}} {{.Mem}} {{.MemUsage}} {{.CPU}} {{.NetIO}} {{.BlockIO}} {{.PIDS}} {{.Pod}}"})
		stats.WaitWithDefaultTimeout()
		Expect(stats).To(Exit(0))
	})

	It("podman stats with invalid GO template", func() {
		_, ec, podid := podmanTest.CreatePod("")
		Expect(ec).To(Equal(0))

		session := podmanTest.RunTopContainerInPod("", podid)
		session.WaitWithDefaultTimeout()
		Expect(session.ExitCode()).To(Equal(0))
		stats := podmanTest.Podman([]string{"pod", "stats", "-a", "--no-reset", "--no-stream", "--format", "\"table {{.ID}} \""})
		stats.WaitWithDefaultTimeout()
		Expect(stats).To(ExitWithError())
	})

	It("podman stats on net=host post", func() {
		// --net=host not supported for rootless pods at present
		// problem with sysctls being passed to containers of the pod.
		SkipIfCgroupV1("Bug: Error: sysctl net.ipv4.ping_group_range is not allowed in the hosts network namespace: OCI runtime error")
		podName := "testPod"
		podCreate := podmanTest.Podman([]string{"pod", "create", "--net=host", "--name", podName})
		podCreate.WaitWithDefaultTimeout()
		Expect(podCreate.ExitCode()).To(Equal(0))

		ctrRun := podmanTest.Podman([]string{"run", "-d", "--pod", podName, ALPINE, "top"})
		ctrRun.WaitWithDefaultTimeout()
		Expect(ctrRun.ExitCode()).To(Equal(0))

		stats := podmanTest.Podman([]string{"pod", "stats", "--format", "json", "--no-stream", podName})
		stats.WaitWithDefaultTimeout()
		Expect(stats.ExitCode()).To(Equal(0))
		Expect(stats.IsJSONOutputValid()).To(BeTrue())
	})
})