github.com/AbhinandanKurakure/podman/v3@v3.4.10/test/e2e/create_staticip_test.go (about)

     1  package integration
     2  
     3  import (
     4  	"os"
     5  	"time"
     6  
     7  	"github.com/containers/podman/v3/pkg/rootless"
     8  	. "github.com/containers/podman/v3/test/utils"
     9  	. "github.com/onsi/ginkgo"
    10  	. "github.com/onsi/gomega"
    11  	. "github.com/onsi/gomega/gexec"
    12  )
    13  
    14  var _ = Describe("Podman create with --ip flag", func() {
    15  	var (
    16  		tempdir    string
    17  		err        error
    18  		podmanTest *PodmanTestIntegration
    19  	)
    20  
    21  	BeforeEach(func() {
    22  		tempdir, err = CreateTempDirInTempDir()
    23  		if err != nil {
    24  			os.Exit(1)
    25  		}
    26  		podmanTest = PodmanTestCreate(tempdir)
    27  		podmanTest.Setup()
    28  		podmanTest.SeedImages()
    29  		// Cleanup the CNI networks used by the tests
    30  		os.RemoveAll("/var/lib/cni/networks/podman")
    31  	})
    32  
    33  	AfterEach(func() {
    34  		podmanTest.Cleanup()
    35  		f := CurrentGinkgoTestDescription()
    36  		processTestResult(f)
    37  
    38  	})
    39  
    40  	It("Podman create --ip with garbage address", func() {
    41  		result := podmanTest.Podman([]string{"create", "--name", "test", "--ip", "114232346", ALPINE, "ls"})
    42  		result.WaitWithDefaultTimeout()
    43  		Expect(result).To(ExitWithError())
    44  	})
    45  
    46  	It("Podman create --ip with v6 address", func() {
    47  		result := podmanTest.Podman([]string{"create", "--name", "test", "--ip", "2001:db8:bad:beef::1", ALPINE, "ls"})
    48  		result.WaitWithDefaultTimeout()
    49  		Expect(result).To(ExitWithError())
    50  	})
    51  
    52  	It("Podman create --ip with non-allocatable IP", func() {
    53  		SkipIfRootless("--ip not supported without network in rootless mode")
    54  		result := podmanTest.Podman([]string{"create", "--name", "test", "--ip", "203.0.113.124", ALPINE, "ls"})
    55  		result.WaitWithDefaultTimeout()
    56  		Expect(result).Should(Exit(0))
    57  
    58  		result = podmanTest.Podman([]string{"start", "test"})
    59  		result.WaitWithDefaultTimeout()
    60  		Expect(result).To(ExitWithError())
    61  	})
    62  
    63  	It("Podman create with specified static IP has correct IP", func() {
    64  		// NOTE: we force the k8s-file log driver to make sure the
    65  		// tests are passing inside a container.
    66  		ip := GetRandomIPAddress()
    67  		result := podmanTest.Podman([]string{"create", "--log-driver", "k8s-file", "--name", "test", "--ip", ip, ALPINE, "ip", "addr"})
    68  		result.WaitWithDefaultTimeout()
    69  		// Rootless static ip assignment without network should error
    70  		if rootless.IsRootless() {
    71  			Expect(result).Should(Exit(125))
    72  		} else {
    73  			Expect(result).Should(Exit(0))
    74  
    75  			result = podmanTest.Podman([]string{"start", "test"})
    76  			result.WaitWithDefaultTimeout()
    77  			Expect(result).Should(Exit(0))
    78  
    79  			result = podmanTest.Podman([]string{"logs", "test"})
    80  			result.WaitWithDefaultTimeout()
    81  			Expect(result).Should(Exit(0))
    82  			Expect(result.OutputToString()).To(ContainSubstring(ip + "/16"))
    83  		}
    84  	})
    85  
    86  	It("Podman create two containers with the same IP", func() {
    87  		SkipIfRootless("--ip not supported without network in rootless mode")
    88  		ip := GetRandomIPAddress()
    89  		result := podmanTest.Podman([]string{"create", "--log-driver", "k8s-file", "--name", "test1", "--ip", ip, ALPINE, "sleep", "999"})
    90  		result.WaitWithDefaultTimeout()
    91  		Expect(result).Should(Exit(0))
    92  		result = podmanTest.Podman([]string{"create", "--log-driver", "k8s-file", "--name", "test2", "--ip", ip, ALPINE, "ip", "addr"})
    93  		result.WaitWithDefaultTimeout()
    94  		Expect(result).Should(Exit(0))
    95  		result = podmanTest.Podman([]string{"start", "test1"})
    96  		result.WaitWithDefaultTimeout()
    97  		Expect(result).Should(Exit(0))
    98  
    99  		// race prevention: wait until IP address is assigned
   100  		for i := 0; i < 5; i++ {
   101  			result = podmanTest.Podman([]string{"inspect", "--format", "{{.NetworkSettings.IPAddress}}", "test1"})
   102  			result.WaitWithDefaultTimeout()
   103  			Expect(result).Should(Exit(0))
   104  			if result.OutputToString() != "" {
   105  				break
   106  			}
   107  			time.Sleep(1 * time.Second)
   108  		}
   109  		Expect(result.OutputToString()).To(Equal(ip))
   110  
   111  		// test1 container is running with the given IP.
   112  		result = podmanTest.Podman([]string{"start", "test2"})
   113  		result.WaitWithDefaultTimeout()
   114  		Expect(result).To(ExitWithError())
   115  		Expect(result.ErrorToString()).To(ContainSubstring("requested IP address " + ip + " is not available"))
   116  	})
   117  })