github.com/containers/podman/v4@v4.9.4/test/e2e/run_dns_test.go (about)

     1  package integration
     2  
     3  import (
     4  	. "github.com/containers/podman/v4/test/utils"
     5  	. "github.com/onsi/ginkgo/v2"
     6  	. "github.com/onsi/gomega"
     7  )
     8  
     9  var _ = Describe("Podman run dns", func() {
    10  
    11  	It("podman run add search domain", func() {
    12  		session := podmanTest.Podman([]string{"run", "--dns-search=foobar.com", ALPINE, "cat", "/etc/resolv.conf"})
    13  		session.WaitWithDefaultTimeout()
    14  		Expect(session).Should(ExitCleanly())
    15  		Expect(session.OutputToStringArray()).To(ContainElement(HavePrefix("search foobar.com")))
    16  	})
    17  
    18  	It("podman run remove all search domain", func() {
    19  		session := podmanTest.Podman([]string{"run", "--dns-search=.", ALPINE, "cat", "/etc/resolv.conf"})
    20  		session.WaitWithDefaultTimeout()
    21  		Expect(session).Should(ExitCleanly())
    22  		Expect(session.OutputToStringArray()).To(Not(ContainElement(HavePrefix("search"))))
    23  	})
    24  
    25  	It("podman run add bad dns server", func() {
    26  		session := podmanTest.Podman([]string{"run", "--dns=foobar", ALPINE, "ls"})
    27  		session.WaitWithDefaultTimeout()
    28  		Expect(session).To(ExitWithError())
    29  	})
    30  
    31  	It("podman run add dns server", func() {
    32  		session := podmanTest.Podman([]string{"run", "--dns=1.2.3.4", ALPINE, "cat", "/etc/resolv.conf"})
    33  		session.WaitWithDefaultTimeout()
    34  		Expect(session).Should(ExitCleanly())
    35  		Expect(session.OutputToStringArray()).To(ContainElement(HavePrefix("nameserver 1.2.3.4")))
    36  
    37  	})
    38  
    39  	It("podman run add dns option", func() {
    40  		session := podmanTest.Podman([]string{"run", "--dns-opt=debug", ALPINE, "cat", "/etc/resolv.conf"})
    41  		session.WaitWithDefaultTimeout()
    42  		Expect(session).Should(ExitCleanly())
    43  		Expect(session.OutputToStringArray()).To(ContainElement(HavePrefix("options debug")))
    44  	})
    45  
    46  	It("podman run add bad host", func() {
    47  		session := podmanTest.Podman([]string{"run", "--add-host=foo:1.2", ALPINE, "ls"})
    48  		session.WaitWithDefaultTimeout()
    49  		Expect(session).To(ExitWithError())
    50  	})
    51  
    52  	It("podman run add host", func() {
    53  		session := podmanTest.Podman([]string{"run", "--add-host=foobar:1.1.1.1", "--add-host=foobaz:2001:db8::68", ALPINE, "cat", "/etc/hosts"})
    54  		session.WaitWithDefaultTimeout()
    55  		Expect(session).Should(ExitCleanly())
    56  		Expect(session.OutputToStringArray()).To(ContainElements(HavePrefix("1.1.1.1\tfoobar"), HavePrefix("2001:db8::68\tfoobaz")))
    57  	})
    58  
    59  	It("podman run add hostname", func() {
    60  		session := podmanTest.Podman([]string{"run", "--hostname=foobar", ALPINE, "cat", "/etc/hostname"})
    61  		session.WaitWithDefaultTimeout()
    62  		Expect(session).Should(ExitCleanly())
    63  		Expect(session.OutputToString()).To(Equal("foobar"))
    64  
    65  		session = podmanTest.Podman([]string{"run", "--hostname=foobar", ALPINE, "hostname"})
    66  		session.WaitWithDefaultTimeout()
    67  		Expect(session).Should(ExitCleanly())
    68  		Expect(session.OutputToString()).To(Equal("foobar"))
    69  	})
    70  
    71  	It("podman run add hostname sets /etc/hosts", func() {
    72  		session := podmanTest.Podman([]string{"run", "--hostname=foobar", ALPINE, "cat", "/etc/hosts"})
    73  		session.WaitWithDefaultTimeout()
    74  		Expect(session).Should(ExitCleanly())
    75  		Expect(session.OutputToString()).To(ContainSubstring("foobar"))
    76  	})
    77  
    78  	It("podman run mutually excludes --dns* and --network", func() {
    79  		session := podmanTest.Podman([]string{"run", "--dns=1.2.3.4", "--network", "container:ALPINE", ALPINE})
    80  		session.WaitWithDefaultTimeout()
    81  		Expect(session).To(ExitWithError())
    82  
    83  		session = podmanTest.Podman([]string{"run", "--dns-opt=1.2.3.4", "--network", "container:ALPINE", ALPINE})
    84  		session.WaitWithDefaultTimeout()
    85  		Expect(session).To(ExitWithError())
    86  
    87  		session = podmanTest.Podman([]string{"run", "--dns-search=foobar.com", "--network", "none", ALPINE})
    88  		session.WaitWithDefaultTimeout()
    89  		Expect(session).To(ExitWithError())
    90  
    91  		session = podmanTest.Podman([]string{"run", "--dns=1.2.3.4", "--network", "host", ALPINE})
    92  		session.WaitWithDefaultTimeout()
    93  		Expect(session).Should(ExitCleanly())
    94  	})
    95  })