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podman/test/e2e/network_connect_disconnect_test.go
Paul Holzinger 4462113c5e podman network reload add rootless support 
Allow podman network reload to be run as rootless user. While it is
unlikely that the iptable rules are flushed inside the rootless cni
namespace, it could still happen. Also fix podman network reload --all
to ignore errors when a container does not have the bridge network mode,
e.g. slirp4netns.

Signed-off-by: Paul Holzinger <paul.holzinger@web.de>
2021-05-17 10:55:02 +02:00

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package integration
import (
"os"
. "github.com/containers/podman/v3/test/utils"
"github.com/containers/storage/pkg/stringid"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("Podman network connect and disconnect", func() {
var (
tempdir string
err error
podmanTest *PodmanTestIntegration
)
BeforeEach(func() {
tempdir, err = CreateTempDirInTempDir()
if err != nil {
os.Exit(1)
}
podmanTest = PodmanTestCreate(tempdir)
podmanTest.Setup()
})
AfterEach(func() {
podmanTest.Cleanup()
f := CurrentGinkgoTestDescription()
processTestResult(f)
})
It("bad network name in disconnect should result in error", func() {
dis := podmanTest.Podman([]string{"network", "disconnect", "foobar", "test"})
dis.WaitWithDefaultTimeout()
Expect(dis.ExitCode()).ToNot(BeZero())
})
It("bad container name in network disconnect should result in error", func() {
netName := "aliasTest" + stringid.GenerateNonCryptoID()
session := podmanTest.Podman([]string{"network", "create", netName})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(BeZero())
defer podmanTest.removeCNINetwork(netName)
dis := podmanTest.Podman([]string{"network", "disconnect", netName, "foobar"})
dis.WaitWithDefaultTimeout()
Expect(dis.ExitCode()).ToNot(BeZero())
})
It("network disconnect with net mode slirp4netns should result in error", func() {
SkipIfRootless("network connect and disconnect are only rootful")
netName := "slirp" + stringid.GenerateNonCryptoID()
session := podmanTest.Podman([]string{"network", "create", netName})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(BeZero())
defer podmanTest.removeCNINetwork(netName)
session = podmanTest.Podman([]string{"create", "--name", "test", "--network", "slirp4netns", ALPINE})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(BeZero())
defer podmanTest.removeCNINetwork(netName)
con := podmanTest.Podman([]string{"network", "disconnect", netName, "test"})
con.WaitWithDefaultTimeout()
Expect(con.ExitCode()).ToNot(BeZero())
Expect(con.ErrorToString()).To(ContainSubstring(`"slirp4netns" is not supported: invalid network mode`))
})
It("podman network disconnect", func() {
netName := "aliasTest" + stringid.GenerateNonCryptoID()
session := podmanTest.Podman([]string{"network", "create", netName})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(BeZero())
defer podmanTest.removeCNINetwork(netName)
ctr := podmanTest.Podman([]string{"run", "-dt", "--name", "test", "--network", netName, ALPINE, "top"})
ctr.WaitWithDefaultTimeout()
Expect(ctr.ExitCode()).To(BeZero())
exec := podmanTest.Podman([]string{"exec", "-it", "test", "ip", "addr", "show", "eth0"})
exec.WaitWithDefaultTimeout()
Expect(exec.ExitCode()).To(BeZero())
dis := podmanTest.Podman([]string{"network", "disconnect", netName, "test"})
dis.WaitWithDefaultTimeout()
Expect(dis.ExitCode()).To(BeZero())
inspect := podmanTest.Podman([]string{"container", "inspect", "test", "--format", "{{len .NetworkSettings.Networks}}"})
inspect.WaitWithDefaultTimeout()
Expect(inspect.ExitCode()).To(BeZero())
Expect(inspect.OutputToString()).To(Equal("0"))
exec = podmanTest.Podman([]string{"exec", "-it", "test", "ip", "addr", "show", "eth0"})
exec.WaitWithDefaultTimeout()
Expect(exec.ExitCode()).ToNot(BeZero())
})
It("bad network name in connect should result in error", func() {
dis := podmanTest.Podman([]string{"network", "connect", "foobar", "test"})
dis.WaitWithDefaultTimeout()
Expect(dis.ExitCode()).ToNot(BeZero())
})
It("bad container name in network connect should result in error", func() {
netName := "aliasTest" + stringid.GenerateNonCryptoID()
session := podmanTest.Podman([]string{"network", "create", netName})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(BeZero())
defer podmanTest.removeCNINetwork(netName)
dis := podmanTest.Podman([]string{"network", "connect", netName, "foobar"})
dis.WaitWithDefaultTimeout()
Expect(dis.ExitCode()).ToNot(BeZero())
})
It("network connect with net mode slirp4netns should result in error", func() {
SkipIfRootless("network connect and disconnect are only rootful")
netName := "slirp" + stringid.GenerateNonCryptoID()
session := podmanTest.Podman([]string{"network", "create", netName})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(BeZero())
defer podmanTest.removeCNINetwork(netName)
session = podmanTest.Podman([]string{"create", "--name", "test", "--network", "slirp4netns", ALPINE})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(BeZero())
defer podmanTest.removeCNINetwork(netName)
con := podmanTest.Podman([]string{"network", "connect", netName, "test"})
con.WaitWithDefaultTimeout()
Expect(con.ExitCode()).ToNot(BeZero())
Expect(con.ErrorToString()).To(ContainSubstring(`"slirp4netns" is not supported: invalid network mode`))
})
It("podman connect on a container that already is connected to the network should error", func() {
netName := "aliasTest" + stringid.GenerateNonCryptoID()
session := podmanTest.Podman([]string{"network", "create", netName})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(BeZero())
defer podmanTest.removeCNINetwork(netName)
ctr := podmanTest.Podman([]string{"create", "--name", "test", "--network", netName, ALPINE, "top"})
ctr.WaitWithDefaultTimeout()
Expect(ctr.ExitCode()).To(BeZero())
con := podmanTest.Podman([]string{"network", "connect", netName, "test"})
con.WaitWithDefaultTimeout()
Expect(con.ExitCode()).ToNot(BeZero())
})
It("podman network connect", func() {
SkipIfRemote("This requires a pending PR to be merged before it will work")
netName := "aliasTest" + stringid.GenerateNonCryptoID()
session := podmanTest.Podman([]string{"network", "create", netName})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(BeZero())
defer podmanTest.removeCNINetwork(netName)
ctr := podmanTest.Podman([]string{"run", "-dt", "--name", "test", "--network", netName, ALPINE, "top"})
ctr.WaitWithDefaultTimeout()
Expect(ctr.ExitCode()).To(BeZero())
exec := podmanTest.Podman([]string{"exec", "-it", "test", "ip", "addr", "show", "eth0"})
exec.WaitWithDefaultTimeout()
Expect(exec.ExitCode()).To(BeZero())
// Create a second network
newNetName := "aliasTest" + stringid.GenerateNonCryptoID()
session = podmanTest.Podman([]string{"network", "create", newNetName})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(BeZero())
defer podmanTest.removeCNINetwork(newNetName)
connect := podmanTest.Podman([]string{"network", "connect", newNetName, "test"})
connect.WaitWithDefaultTimeout()
Expect(connect.ExitCode()).To(BeZero())
inspect := podmanTest.Podman([]string{"container", "inspect", "test", "--format", "{{len .NetworkSettings.Networks}}"})
inspect.WaitWithDefaultTimeout()
Expect(inspect.ExitCode()).To(BeZero())
Expect(inspect.OutputToString()).To(Equal("2"))
exec = podmanTest.Podman([]string{"exec", "-it", "test", "ip", "addr", "show", "eth1"})
exec.WaitWithDefaultTimeout()
Expect(exec.ExitCode()).To(BeZero())
// make sure no logrus errors are shown https://github.com/containers/podman/issues/9602
rm := podmanTest.Podman([]string{"rm", "-f", "test"})
rm.WaitWithDefaultTimeout()
Expect(rm.ExitCode()).To(BeZero())
Expect(rm.ErrorToString()).To(Equal(""))
})
It("podman network connect when not running", func() {
netName1 := "connect1" + stringid.GenerateNonCryptoID()
session := podmanTest.Podman([]string{"network", "create", netName1})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(BeZero())
defer podmanTest.removeCNINetwork(netName1)
netName2 := "connect2" + stringid.GenerateNonCryptoID()
session = podmanTest.Podman([]string{"network", "create", netName2})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(BeZero())
defer podmanTest.removeCNINetwork(netName2)
ctr := podmanTest.Podman([]string{"create", "--name", "test", "--network", netName1, ALPINE, "top"})
ctr.WaitWithDefaultTimeout()
Expect(ctr.ExitCode()).To(BeZero())
dis := podmanTest.Podman([]string{"network", "connect", netName2, "test"})
dis.WaitWithDefaultTimeout()
Expect(dis.ExitCode()).To(BeZero())
inspect := podmanTest.Podman([]string{"container", "inspect", "test", "--format", "{{len .NetworkSettings.Networks}}"})
inspect.WaitWithDefaultTimeout()
Expect(inspect.ExitCode()).To(BeZero())
Expect(inspect.OutputToString()).To(Equal("2"))
start := podmanTest.Podman([]string{"start", "test"})
start.WaitWithDefaultTimeout()
Expect(start.ExitCode()).To(BeZero())
exec := podmanTest.Podman([]string{"exec", "-it", "test", "ip", "addr", "show", "eth0"})
exec.WaitWithDefaultTimeout()
Expect(exec.ExitCode()).To(BeZero())
exec = podmanTest.Podman([]string{"exec", "-it", "test", "ip", "addr", "show", "eth1"})
exec.WaitWithDefaultTimeout()
Expect(exec.ExitCode()).To(BeZero())
})
It("podman network connect and run with network ID", func() {
SkipIfRemote("remote flakes to much I will fix this in another PR")
SkipIfRootless("network connect and disconnect are only rootful")
netName := "ID" + stringid.GenerateNonCryptoID()
session := podmanTest.Podman([]string{"network", "create", netName})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(BeZero())
defer podmanTest.removeCNINetwork(netName)
session = podmanTest.Podman([]string{"network", "ls", "--format", "{{.ID}}", "--filter", "name=" + netName})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(BeZero())
netID := session.OutputToString()
ctr := podmanTest.Podman([]string{"run", "-dt", "--name", "test", "--network", netID, ALPINE, "top"})
ctr.WaitWithDefaultTimeout()
Expect(ctr.ExitCode()).To(BeZero())
exec := podmanTest.Podman([]string{"exec", "-it", "test", "ip", "addr", "show", "eth0"})
exec.WaitWithDefaultTimeout()
Expect(exec.ExitCode()).To(BeZero())
// Create a second network
newNetName := "ID2" + stringid.GenerateNonCryptoID()
session = podmanTest.Podman([]string{"network", "create", newNetName})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(BeZero())
defer podmanTest.removeCNINetwork(newNetName)
session = podmanTest.Podman([]string{"network", "ls", "--format", "{{.ID}}", "--filter", "name=" + newNetName})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(BeZero())
newNetID := session.OutputToString()
connect := podmanTest.Podman([]string{"network", "connect", newNetID, "test"})
connect.WaitWithDefaultTimeout()
Expect(connect.ExitCode()).To(BeZero())
inspect := podmanTest.Podman([]string{"container", "inspect", "test", "--format", "{{.NetworkSettings.Networks}}"})
inspect.WaitWithDefaultTimeout()
Expect(inspect.ExitCode()).To(BeZero())
Expect(inspect.OutputToString()).To(ContainSubstring(netName))
Expect(inspect.OutputToString()).To(ContainSubstring(newNetName))
exec = podmanTest.Podman([]string{"exec", "-it", "test", "ip", "addr", "show", "eth1"})
exec.WaitWithDefaultTimeout()
Expect(exec.ExitCode()).To(BeZero())
})
It("podman network disconnect when not running", func() {
netName1 := "aliasTest" + stringid.GenerateNonCryptoID()
session := podmanTest.Podman([]string{"network", "create", netName1})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(BeZero())
defer podmanTest.removeCNINetwork(netName1)
netName2 := "aliasTest" + stringid.GenerateNonCryptoID()
session2 := podmanTest.Podman([]string{"network", "create", netName2})
session2.WaitWithDefaultTimeout()
Expect(session2.ExitCode()).To(BeZero())
defer podmanTest.removeCNINetwork(netName2)
ctr := podmanTest.Podman([]string{"create", "--name", "test", "--network", netName1 + "," + netName2, ALPINE, "top"})
ctr.WaitWithDefaultTimeout()
Expect(ctr.ExitCode()).To(BeZero())
dis := podmanTest.Podman([]string{"network", "disconnect", netName1, "test"})
dis.WaitWithDefaultTimeout()
Expect(dis.ExitCode()).To(BeZero())
inspect := podmanTest.Podman([]string{"container", "inspect", "test", "--format", "{{len .NetworkSettings.Networks}}"})
inspect.WaitWithDefaultTimeout()
Expect(inspect.ExitCode()).To(BeZero())
Expect(inspect.OutputToString()).To(Equal("1"))
start := podmanTest.Podman([]string{"start", "test"})
start.WaitWithDefaultTimeout()
Expect(start.ExitCode()).To(BeZero())
exec := podmanTest.Podman([]string{"exec", "-it", "test", "ip", "addr", "show", "eth0"})
exec.WaitWithDefaultTimeout()
Expect(exec.ExitCode()).To(BeZero())
exec = podmanTest.Podman([]string{"exec", "-it", "test", "ip", "addr", "show", "eth1"})
exec.WaitWithDefaultTimeout()
Expect(exec.ExitCode()).ToNot(BeZero())
})
It("podman network disconnect and run with network ID", func() {
SkipIfRemote("remote flakes to much I will fix this in another PR")
SkipIfRootless("network connect and disconnect are only rootful")
netName := "aliasTest" + stringid.GenerateNonCryptoID()
session := podmanTest.Podman([]string{"network", "create", netName})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(BeZero())
defer podmanTest.removeCNINetwork(netName)
session = podmanTest.Podman([]string{"network", "ls", "--format", "{{.ID}}", "--filter", "name=" + netName})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(BeZero())
netID := session.OutputToString()
ctr := podmanTest.Podman([]string{"run", "-dt", "--name", "test", "--network", netID, ALPINE, "top"})
ctr.WaitWithDefaultTimeout()
Expect(ctr.ExitCode()).To(BeZero())
exec := podmanTest.Podman([]string{"exec", "-it", "test", "ip", "addr", "show", "eth0"})
exec.WaitWithDefaultTimeout()
Expect(exec.ExitCode()).To(BeZero())
dis := podmanTest.Podman([]string{"network", "disconnect", netID, "test"})
dis.WaitWithDefaultTimeout()
Expect(dis.ExitCode()).To(BeZero())
inspect := podmanTest.Podman([]string{"container", "inspect", "test", "--format", "{{len .NetworkSettings.Networks}}"})
inspect.WaitWithDefaultTimeout()
Expect(inspect.ExitCode()).To(BeZero())
Expect(inspect.OutputToString()).To(Equal("0"))
exec = podmanTest.Podman([]string{"exec", "-it", "test", "ip", "addr", "show", "eth0"})
exec.WaitWithDefaultTimeout()
Expect(exec.ExitCode()).ToNot(BeZero())
})
})
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