mirror of
https://github.com/containers/podman.git
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01ae532a89
These only conflict when joining more than one network. We can still set a single CNI network and set a static IP and/or static MAC. Fixes #4500 Signed-off-by: Matthew Heon <matthew.heon@pm.me>
250 lines
9.0 KiB
Go
250 lines
9.0 KiB
Go
// +build !remoteclient
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package integration
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import (
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"os"
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. "github.com/containers/libpod/test/utils"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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var _ = Describe("Podman run networking", func() {
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var (
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tempdir string
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err error
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podmanTest *PodmanTestIntegration
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hostname, _ = os.Hostname()
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)
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BeforeEach(func() {
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tempdir, err = CreateTempDirInTempDir()
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if err != nil {
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os.Exit(1)
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}
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podmanTest = PodmanTestCreate(tempdir)
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podmanTest.Setup()
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podmanTest.SeedImages()
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})
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AfterEach(func() {
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podmanTest.Cleanup()
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f := CurrentGinkgoTestDescription()
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processTestResult(f)
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})
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It("podman run network connection with default bridge", func() {
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session := podmanTest.Podman([]string{"run", "-dt", ALPINE, "wget", "www.podman.io"})
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session.Wait(90)
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Expect(session.ExitCode()).To(Equal(0))
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})
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It("podman run network connection with host", func() {
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session := podmanTest.Podman([]string{"run", "-dt", "--network", "host", ALPINE, "wget", "www.podman.io"})
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session.Wait(90)
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Expect(session.ExitCode()).To(Equal(0))
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})
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It("podman run network connection with loopback", func() {
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session := podmanTest.Podman([]string{"run", "-dt", "--network", "host", ALPINE, "wget", "www.podman.io"})
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session.Wait(90)
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Expect(session.ExitCode()).To(Equal(0))
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})
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It("podman run network expose port 222", func() {
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SkipIfRootless()
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session := podmanTest.Podman([]string{"run", "-dt", "--expose", "222-223", "-P", ALPINE, "/bin/sh"})
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session.Wait(30)
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Expect(session.ExitCode()).To(Equal(0))
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results := SystemExec("iptables", []string{"-t", "nat", "-L"})
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Expect(results.ExitCode()).To(Equal(0))
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Expect(results.OutputToString()).To(ContainSubstring("222"))
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Expect(results.OutputToString()).To(ContainSubstring("223"))
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})
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It("podman run network expose host port 80 to container port 8000", func() {
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SkipIfRootless()
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session := podmanTest.Podman([]string{"run", "-dt", "-p", "80:8000", ALPINE, "/bin/sh"})
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session.Wait(30)
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Expect(session.ExitCode()).To(Equal(0))
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results := SystemExec("iptables", []string{"-t", "nat", "-L"})
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Expect(results.ExitCode()).To(Equal(0))
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Expect(results.OutputToString()).To(ContainSubstring("8000"))
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ncBusy := SystemExec("nc", []string{"-l", "-p", "80"})
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Expect(ncBusy).To(ExitWithError())
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})
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It("podman run network expose ports in image metadata", func() {
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session := podmanTest.Podman([]string{"create", "-dt", "-P", nginx})
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session.Wait(90)
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Expect(session.ExitCode()).To(Equal(0))
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results := podmanTest.Podman([]string{"inspect", "-l"})
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results.Wait(30)
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Expect(results.ExitCode()).To(Equal(0))
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Expect(results.OutputToString()).To(ContainSubstring(": 80,"))
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})
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It("podman run network expose duplicate host port results in error", func() {
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session := podmanTest.Podman([]string{"run", "-dt", "-p", "80", ALPINE, "/bin/sh"})
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session.WaitWithDefaultTimeout()
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Expect(session.ExitCode()).To(Equal(0))
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inspect := podmanTest.Podman([]string{"inspect", "-l"})
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inspect.WaitWithDefaultTimeout()
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Expect(inspect.ExitCode()).To(Equal(0))
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containerConfig := inspect.InspectContainerToJSON()
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Expect(containerConfig[0].NetworkSettings.Ports[0].HostPort).ToNot(Equal("80"))
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})
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It("podman run hostname test", func() {
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session := podmanTest.Podman([]string{"run", "--rm", ALPINE, "printenv", "HOSTNAME"})
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session.WaitWithDefaultTimeout()
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Expect(session.ExitCode()).To(Equal(0))
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match, _ := session.GrepString(hostname)
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Expect(match).Should(BeFalse())
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})
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It("podman run --net host hostname test", func() {
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session := podmanTest.Podman([]string{"run", "--rm", "--net", "host", ALPINE, "printenv", "HOSTNAME"})
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session.WaitWithDefaultTimeout()
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Expect(session.ExitCode()).To(Equal(0))
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match, _ := session.GrepString(hostname)
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Expect(match).Should(BeTrue())
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})
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It("podman run --net host --uts host hostname test", func() {
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session := podmanTest.Podman([]string{"run", "--rm", "--net", "host", "--uts", "host", ALPINE, "printenv", "HOSTNAME"})
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session.WaitWithDefaultTimeout()
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Expect(session.ExitCode()).To(Equal(0))
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match, _ := session.GrepString(hostname)
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Expect(match).Should(BeTrue())
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})
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It("podman run --uts host hostname test", func() {
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session := podmanTest.Podman([]string{"run", "--rm", "--uts", "host", ALPINE, "printenv", "HOSTNAME"})
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session.WaitWithDefaultTimeout()
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Expect(session.ExitCode()).To(Equal(0))
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match, _ := session.GrepString(hostname)
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Expect(match).Should(BeTrue())
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})
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It("podman run --net host --hostname ... hostname test", func() {
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session := podmanTest.Podman([]string{"run", "--rm", "--net", "host", "--hostname", "foobar", ALPINE, "printenv", "HOSTNAME"})
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session.WaitWithDefaultTimeout()
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Expect(session.ExitCode()).To(Equal(0))
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match, _ := session.GrepString("foobar")
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Expect(match).Should(BeTrue())
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})
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It("podman run --hostname ... hostname test", func() {
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session := podmanTest.Podman([]string{"run", "--rm", "--hostname", "foobar", ALPINE, "printenv", "HOSTNAME"})
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session.WaitWithDefaultTimeout()
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Expect(session.ExitCode()).To(Equal(0))
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match, _ := session.GrepString("foobar")
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Expect(match).Should(BeTrue())
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})
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It("podman run --net container: copies hosts and resolv", func() {
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SkipIfRootless()
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ctrName := "ctr1"
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ctr1 := podmanTest.RunTopContainer(ctrName)
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ctr1.WaitWithDefaultTimeout()
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Expect(ctr1.ExitCode()).To(Equal(0))
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// Exec in and modify /etc/resolv.conf and /etc/hosts
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exec1 := podmanTest.Podman([]string{"exec", ctrName, "sh", "-c", "echo nameserver 192.0.2.1 > /etc/resolv.conf"})
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exec1.WaitWithDefaultTimeout()
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Expect(exec1.ExitCode()).To(Equal(0))
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exec2 := podmanTest.Podman([]string{"exec", ctrName, "sh", "-c", "echo 192.0.2.2 test1 > /etc/hosts"})
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exec2.WaitWithDefaultTimeout()
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Expect(exec2.ExitCode()).To(Equal(0))
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ctrName2 := "ctr2"
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ctr2 := podmanTest.Podman([]string{"run", "-d", "--net=container:" + ctrName, "--name", ctrName2, ALPINE, "top"})
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ctr2.WaitWithDefaultTimeout()
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Expect(ctr2.ExitCode()).To(Equal(0))
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exec3 := podmanTest.Podman([]string{"exec", "-i", ctrName2, "cat", "/etc/resolv.conf"})
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exec3.WaitWithDefaultTimeout()
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Expect(exec3.ExitCode()).To(Equal(0))
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Expect(exec3.OutputToString()).To(ContainSubstring("nameserver 192.0.2.1"))
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exec4 := podmanTest.Podman([]string{"exec", "-i", ctrName2, "cat", "/etc/hosts"})
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exec4.WaitWithDefaultTimeout()
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Expect(exec4.ExitCode()).To(Equal(0))
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Expect(exec4.OutputToString()).To(ContainSubstring("192.0.2.2 test1"))
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})
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It("podman run /etc/hosts contains --hostname", func() {
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session := podmanTest.Podman([]string{"run", "--rm", "--hostname", "foohostname", ALPINE, "grep", "foohostname", "/etc/hosts"})
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session.WaitWithDefaultTimeout()
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Expect(session.ExitCode()).To(Equal(0))
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})
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It("podman run network in user created network namespace", func() {
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SkipIfRootless()
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if Containerized() {
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Skip("Can not be run within a container.")
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}
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addXXX := SystemExec("ip", []string{"netns", "add", "xxx"})
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Expect(addXXX.ExitCode()).To(Equal(0))
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defer func() {
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delXXX := SystemExec("ip", []string{"netns", "delete", "xxx"})
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Expect(delXXX.ExitCode()).To(Equal(0))
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}()
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session := podmanTest.Podman([]string{"run", "-dt", "--net", "ns:/run/netns/xxx", ALPINE, "wget", "www.podman.io"})
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session.Wait(90)
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Expect(session.ExitCode()).To(Equal(0))
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})
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It("podman run n user created network namespace with resolv.conf", func() {
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SkipIfRootless()
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if Containerized() {
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Skip("Can not be run within a container.")
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}
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addXXX2 := SystemExec("ip", []string{"netns", "add", "xxx2"})
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Expect(addXXX2.ExitCode()).To(Equal(0))
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defer func() {
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delXXX2 := SystemExec("ip", []string{"netns", "delete", "xxx2"})
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Expect(delXXX2.ExitCode()).To(Equal(0))
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}()
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mdXXX2 := SystemExec("mkdir", []string{"-p", "/etc/netns/xxx2"})
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Expect(mdXXX2.ExitCode()).To(Equal(0))
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defer os.RemoveAll("/etc/netns/xxx2")
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nsXXX2 := SystemExec("bash", []string{"-c", "echo nameserver 11.11.11.11 > /etc/netns/xxx2/resolv.conf"})
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Expect(nsXXX2.ExitCode()).To(Equal(0))
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session := podmanTest.Podman([]string{"run", "--net", "ns:/run/netns/xxx2", ALPINE, "cat", "/etc/resolv.conf"})
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session.Wait(90)
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Expect(session.ExitCode()).To(Equal(0))
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Expect(session.OutputToString()).To(ContainSubstring("11.11.11.11"))
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})
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It("podman run network in bogus user created network namespace", func() {
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session := podmanTest.Podman([]string{"run", "-dt", "--net", "ns:/run/netns/xxy", ALPINE, "wget", "www.podman.io"})
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session.Wait(90)
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Expect(session).To(ExitWithError())
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Expect(session.ErrorToString()).To(ContainSubstring("stat /run/netns/xxy: no such file or directory"))
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})
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It("podman run in custom CNI network with --static-ip", func() {
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SkipIfRootless()
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netName := "podmantestnetwork"
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ipAddr := "10.20.30.128"
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create := podmanTest.Podman([]string{"network", "create", "--subnet", "10.20.30.0/24", netName})
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create.WaitWithDefaultTimeout()
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Expect(create.ExitCode()).To(BeZero())
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run := podmanTest.Podman([]string{"run", "-t", "-i", "--rm", "--net", netName, "--ip", ipAddr, ALPINE, "ip", "addr"})
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run.WaitWithDefaultTimeout()
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Expect(run.ExitCode()).To(BeZero())
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Expect(run.OutputToString()).To(ContainSubstring(ipAddr))
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})
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})
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