github.com/containers/podman/v2@v2.2.2-0.20210501105131-c1e07d070c4c/test/e2e/pod_top_test.go (about)

     1  package integration
     2  
     3  import (
     4  	"fmt"
     5  	"os"
     6  	"time"
     7  
     8  	. "github.com/containers/podman/v2/test/utils"
     9  	. "github.com/onsi/ginkgo"
    10  	. "github.com/onsi/gomega"
    11  )
    12  
    13  var _ = Describe("Podman top", func() {
    14  	var (
    15  		tempdir    string
    16  		err        error
    17  		podmanTest *PodmanTestIntegration
    18  	)
    19  
    20  	BeforeEach(func() {
    21  		tempdir, err = CreateTempDirInTempDir()
    22  		if err != nil {
    23  			os.Exit(1)
    24  		}
    25  		podmanTest = PodmanTestCreate(tempdir)
    26  		podmanTest.Setup()
    27  		podmanTest.SeedImages()
    28  	})
    29  
    30  	AfterEach(func() {
    31  		podmanTest.Cleanup()
    32  		f := CurrentGinkgoTestDescription()
    33  		processTestResult(f)
    34  
    35  	})
    36  
    37  	It("podman pod top without pod name or id", func() {
    38  		result := podmanTest.Podman([]string{"pod", "top"})
    39  		result.WaitWithDefaultTimeout()
    40  		Expect(result.ExitCode()).To(Equal(125))
    41  	})
    42  
    43  	It("podman pod top on bogus pod", func() {
    44  		result := podmanTest.Podman([]string{"pod", "top", "1234"})
    45  		result.WaitWithDefaultTimeout()
    46  		Expect(result.ExitCode()).To(Equal(125))
    47  	})
    48  
    49  	It("podman pod top on non-running pod", func() {
    50  		_, ec, podid := podmanTest.CreatePod("")
    51  		Expect(ec).To(Equal(0))
    52  
    53  		result := podmanTest.Podman([]string{"top", podid})
    54  		result.WaitWithDefaultTimeout()
    55  		Expect(result.ExitCode()).To(Equal(125))
    56  	})
    57  
    58  	It("podman pod top on pod", func() {
    59  		_, ec, podid := podmanTest.CreatePod("")
    60  		Expect(ec).To(Equal(0))
    61  
    62  		session := podmanTest.Podman([]string{"run", "-d", "--pod", podid, ALPINE, "top", "-d", "2"})
    63  		session.WaitWithDefaultTimeout()
    64  		Expect(session.ExitCode()).To(Equal(0))
    65  
    66  		if !IsRemote() {
    67  			podid = "-l"
    68  		}
    69  		result := podmanTest.Podman([]string{"pod", "top", podid})
    70  		result.WaitWithDefaultTimeout()
    71  		Expect(result.ExitCode()).To(Equal(0))
    72  		Expect(len(result.OutputToStringArray())).To(BeNumerically(">", 1))
    73  	})
    74  
    75  	It("podman pod top with options", func() {
    76  		_, ec, podid := podmanTest.CreatePod("")
    77  		Expect(ec).To(Equal(0))
    78  
    79  		session := podmanTest.Podman([]string{"run", "-d", "--pod", podid, ALPINE, "top", "-d", "2"})
    80  		session.WaitWithDefaultTimeout()
    81  		Expect(session.ExitCode()).To(Equal(0))
    82  
    83  		result := podmanTest.Podman([]string{"pod", "top", podid, "pid", "%C", "args"})
    84  		result.WaitWithDefaultTimeout()
    85  		Expect(result.ExitCode()).To(Equal(0))
    86  		Expect(len(result.OutputToStringArray())).To(BeNumerically(">", 1))
    87  	})
    88  
    89  	It("podman pod top on pod invalid options", func() {
    90  		_, ec, podid := podmanTest.CreatePod("")
    91  		Expect(ec).To(Equal(0))
    92  
    93  		session := podmanTest.Podman([]string{"run", "-d", "--pod", podid, ALPINE, "top", "-d", "2"})
    94  		session.WaitWithDefaultTimeout()
    95  		Expect(session.ExitCode()).To(Equal(0))
    96  
    97  		// We need to pass -eo to force executing ps in the Alpine container.
    98  		// Alpines stripped down ps(1) is accepting any kind of weird input in
    99  		// contrast to others, such that a `ps invalid` will silently ignore
   100  		// the wrong input and still print the -ef output instead.
   101  		result := podmanTest.Podman([]string{"pod", "top", podid, "-eo", "invalid"})
   102  		result.WaitWithDefaultTimeout()
   103  		Expect(result.ExitCode()).To(Equal(125))
   104  	})
   105  
   106  	It("podman pod top on pod with containers in same pid namespace", func() {
   107  		_, ec, podid := podmanTest.CreatePod("")
   108  		Expect(ec).To(Equal(0))
   109  
   110  		session := podmanTest.Podman([]string{"run", "-d", "--pod", podid, ALPINE, "top", "-d", "2"})
   111  		session.WaitWithDefaultTimeout()
   112  		Expect(session.ExitCode()).To(Equal(0))
   113  		cid := session.OutputToString()
   114  
   115  		session = podmanTest.Podman([]string{"run", "-d", "--pod", podid, "--pid", fmt.Sprintf("container:%s", cid), ALPINE, "top", "-d", "2"})
   116  		session.WaitWithDefaultTimeout()
   117  		Expect(session.ExitCode()).To(Equal(0))
   118  
   119  		result := podmanTest.Podman([]string{"pod", "top", podid})
   120  		result.WaitWithDefaultTimeout()
   121  		Expect(result.ExitCode()).To(Equal(0))
   122  		Expect(len(result.OutputToStringArray())).To(Equal(3))
   123  	})
   124  
   125  	It("podman pod top on pod with containers in different namespace", func() {
   126  		_, ec, podid := podmanTest.CreatePod("")
   127  		Expect(ec).To(Equal(0))
   128  
   129  		session := podmanTest.Podman([]string{"run", "-d", "--pod", podid, ALPINE, "top", "-d", "2"})
   130  		session.WaitWithDefaultTimeout()
   131  		Expect(session.ExitCode()).To(Equal(0))
   132  
   133  		session = podmanTest.Podman([]string{"run", "-d", "--pod", podid, ALPINE, "top", "-d", "2"})
   134  		session.WaitWithDefaultTimeout()
   135  		Expect(session.ExitCode()).To(Equal(0))
   136  
   137  		for i := 0; i < 10; i++ {
   138  			fmt.Println("Waiting for containers to be running .... ")
   139  			if podmanTest.NumberOfContainersRunning() == 2 {
   140  				break
   141  			}
   142  			time.Sleep(1 * time.Second)
   143  		}
   144  		result := podmanTest.Podman([]string{"pod", "top", podid})
   145  		result.WaitWithDefaultTimeout()
   146  		Expect(result.ExitCode()).To(Equal(0))
   147  		Expect(len(result.OutputToStringArray())).To(Equal(3))
   148  	})
   149  })