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|
package integration
import (
"encoding/json"
"io/ioutil"
"net"
"os"
"strings"
cniversion "github.com/containernetworking/cni/pkg/version"
"github.com/containers/podman/v2/libpod/network"
. "github.com/containers/podman/v2/test/utils"
"github.com/containers/storage/pkg/stringid"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/pkg/errors"
)
var ErrPluginNotFound = errors.New("plugin not found")
func findPluginByName(plugins interface{}, pluginType string) (interface{}, error) {
for _, p := range plugins.([]interface{}) {
r := p.(map[string]interface{})
if pluginType == r["type"] {
return p, nil
}
}
return nil, errors.Wrap(ErrPluginNotFound, pluginType)
}
func genericPluginsToBridge(plugins interface{}, pluginType string) (network.HostLocalBridge, error) {
var bridge network.HostLocalBridge
generic, err := findPluginByName(plugins, pluginType)
if err != nil {
return bridge, err
}
b, err := json.Marshal(generic)
if err != nil {
return bridge, err
}
err = json.Unmarshal(b, &bridge)
return bridge, err
}
func genericPluginsToPortMap(plugins interface{}, pluginType string) (network.PortMapConfig, error) {
var portMap network.PortMapConfig
generic, err := findPluginByName(plugins, "portmap")
if err != nil {
return portMap, err
}
b, err := json.Marshal(generic)
if err != nil {
return portMap, err
}
err = json.Unmarshal(b, &portMap)
return portMap, err
}
func removeNetworkDevice(name string) {
session := SystemExec("ip", []string{"link", "delete", name})
session.WaitWithDefaultTimeout()
}
var _ = Describe("Podman network create", func() {
var (
tempdir string
err error
podmanTest *PodmanTestIntegration
)
BeforeEach(func() {
tempdir, err = CreateTempDirInTempDir()
if err != nil {
os.Exit(1)
}
podmanTest = PodmanTestCreate(tempdir)
podmanTest.Setup()
podmanTest.SeedImages()
})
AfterEach(func() {
podmanTest.Cleanup()
f := CurrentGinkgoTestDescription()
processTestResult(f)
})
It("podman network create with no input", func() {
var result network.NcList
nc := podmanTest.Podman([]string{"network", "create"})
nc.WaitWithDefaultTimeout()
Expect(nc.ExitCode()).To(BeZero())
fileContent, err := ioutil.ReadFile(nc.OutputToString())
Expect(err).To(BeNil())
err = json.Unmarshal(fileContent, &result)
Expect(err).To(BeNil())
defer podmanTest.removeCNINetwork(result["name"].(string))
Expect(result["cniVersion"]).To(Equal(cniversion.Current()))
Expect(strings.HasPrefix(result["name"].(string), "cni-podman")).To(BeTrue())
bridgePlugin, err := genericPluginsToBridge(result["plugins"], "bridge")
Expect(err).To(BeNil())
portMapPlugin, err := genericPluginsToPortMap(result["plugins"], "portmap")
Expect(err).To(BeNil())
Expect(bridgePlugin.IPAM.Routes[0].Dest).To(Equal("0.0.0.0/0"))
Expect(bridgePlugin.IsGW).To(BeTrue())
Expect(bridgePlugin.IPMasq).To(BeTrue())
Expect(bridgePlugin.IPAM.Ranges[0][0].Gateway).ToNot(BeEmpty())
Expect(portMapPlugin.Capabilities["portMappings"]).To(BeTrue())
})
It("podman network create with name", func() {
var (
results []network.NcList
)
netName := "inspectnet-" + stringid.GenerateNonCryptoID()
nc := podmanTest.Podman([]string{"network", "create", netName})
nc.WaitWithDefaultTimeout()
defer podmanTest.removeCNINetwork(netName)
Expect(nc.ExitCode()).To(BeZero())
inspect := podmanTest.Podman([]string{"network", "inspect", netName})
inspect.WaitWithDefaultTimeout()
err := json.Unmarshal([]byte(inspect.OutputToString()), &results)
Expect(err).To(BeNil())
result := results[0]
Expect(result["name"]).To(Equal(netName))
})
It("podman network create with name and subnet", func() {
var (
results []network.NcList
)
netName := "subnet-" + stringid.GenerateNonCryptoID()
nc := podmanTest.Podman([]string{"network", "create", "--subnet", "10.11.12.0/24", netName})
nc.WaitWithDefaultTimeout()
defer podmanTest.removeCNINetwork(netName)
Expect(nc.ExitCode()).To(BeZero())
// Inspect the network configuration
inspect := podmanTest.Podman([]string{"network", "inspect", netName})
inspect.WaitWithDefaultTimeout()
// JSON the network configuration into something usable
err := json.Unmarshal([]byte(inspect.OutputToString()), &results)
Expect(err).To(BeNil())
result := results[0]
Expect(result["name"]).To(Equal(netName))
// JSON the bridge info
bridgePlugin, err := genericPluginsToBridge(result["plugins"], "bridge")
Expect(err).To(BeNil())
// check that gateway is added to config
Expect(bridgePlugin.IPAM.Ranges[0][0].Gateway).To(Equal("10.11.12.1"))
// Once a container executes a new network, the nic will be created. We should clean those up
// best we can
defer removeNetworkDevice(bridgePlugin.BrName)
try := podmanTest.Podman([]string{"run", "-it", "--rm", "--network", netName, ALPINE, "sh", "-c", "ip addr show eth0 | awk ' /inet / {print $2}'"})
try.WaitWithDefaultTimeout()
_, subnet, err := net.ParseCIDR("10.11.12.0/24")
Expect(err).To(BeNil())
// Note this is an IPv4 test only!
containerIP, _, err := net.ParseCIDR(try.OutputToString())
Expect(err).To(BeNil())
// Ensure that the IP the container got is within the subnet the user asked for
Expect(subnet.Contains(containerIP)).To(BeTrue())
})
It("podman network create with name and IPv6 subnet", func() {
SkipIfRootless("FIXME It needs the ip6tables modules loaded")
var (
results []network.NcList
)
netName := "ipv6-" + stringid.GenerateNonCryptoID()
nc := podmanTest.Podman([]string{"network", "create", "--subnet", "fd00:1:2:3:4::/64", netName})
nc.WaitWithDefaultTimeout()
defer podmanTest.removeCNINetwork(netName)
Expect(nc.ExitCode()).To(BeZero())
// Inspect the network configuration
inspect := podmanTest.Podman([]string{"network", "inspect", netName})
inspect.WaitWithDefaultTimeout()
// JSON the network configuration into something usable
err := json.Unmarshal([]byte(inspect.OutputToString()), &results)
Expect(err).To(BeNil())
result := results[0]
Expect(result["name"]).To(Equal(netName))
// JSON the bridge info
bridgePlugin, err := genericPluginsToBridge(result["plugins"], "bridge")
Expect(err).To(BeNil())
Expect(bridgePlugin.IPAM.Routes[0].Dest).To(Equal("::/0"))
// Once a container executes a new network, the nic will be created. We should clean those up
// best we can
defer removeNetworkDevice(bridgePlugin.BrName)
try := podmanTest.Podman([]string{"run", "-it", "--rm", "--network", netName, ALPINE, "sh", "-c", "ip addr show eth0 | grep global | awk ' /inet6 / {print $2}'"})
try.WaitWithDefaultTimeout()
_, subnet, err := net.ParseCIDR("fd00:1:2:3:4::/64")
Expect(err).To(BeNil())
containerIP, _, err := net.ParseCIDR(try.OutputToString())
Expect(err).To(BeNil())
// Ensure that the IP the container got is within the subnet the user asked for
Expect(subnet.Contains(containerIP)).To(BeTrue())
})
It("podman network create with name and IPv6 flag (dual-stack)", func() {
SkipIfRootless("FIXME It needs the ip6tables modules loaded")
var (
results []network.NcList
)
netName := "dual-" + stringid.GenerateNonCryptoID()
nc := podmanTest.Podman([]string{"network", "create", "--subnet", "fd00:4:3:2:1::/64", "--ipv6", netName})
nc.WaitWithDefaultTimeout()
defer podmanTest.removeCNINetwork(netName)
Expect(nc.ExitCode()).To(BeZero())
// Inspect the network configuration
inspect := podmanTest.Podman([]string{"network", "inspect", netName})
inspect.WaitWithDefaultTimeout()
// JSON the network configuration into something usable
err := json.Unmarshal([]byte(inspect.OutputToString()), &results)
Expect(err).To(BeNil())
result := results[0]
Expect(result["name"]).To(Equal(netName))
// JSON the bridge info
bridgePlugin, err := genericPluginsToBridge(result["plugins"], "bridge")
Expect(err).To(BeNil())
Expect(bridgePlugin.IPAM.Routes[0].Dest).To(Equal("::/0"))
Expect(bridgePlugin.IPAM.Routes[1].Dest).To(Equal("0.0.0.0/0"))
// Once a container executes a new network, the nic will be created. We should clean those up
// best we can
defer removeNetworkDevice(bridgePlugin.BrName)
try := podmanTest.Podman([]string{"run", "-it", "--rm", "--network", netName, ALPINE, "sh", "-c", "ip addr show eth0 | grep global | awk ' /inet6 / {print $2}'"})
try.WaitWithDefaultTimeout()
_, subnet, err := net.ParseCIDR("fd00:4:3:2:1::/64")
Expect(err).To(BeNil())
containerIP, _, err := net.ParseCIDR(try.OutputToString())
Expect(err).To(BeNil())
// Ensure that the IP the container got is within the subnet the user asked for
Expect(subnet.Contains(containerIP)).To(BeTrue())
// verify the container has an IPv4 address too (the IPv4 subnet is autogenerated)
try = podmanTest.Podman([]string{"run", "-it", "--rm", "--network", netName, ALPINE, "sh", "-c", "ip addr show eth0 | awk ' /inet / {print $2}'"})
try.WaitWithDefaultTimeout()
containerIP, _, err = net.ParseCIDR(try.OutputToString())
Expect(err).To(BeNil())
Expect(containerIP.To4()).To(Not(BeNil()))
})
It("podman network create with invalid subnet", func() {
nc := podmanTest.Podman([]string{"network", "create", "--subnet", "10.11.12.0/17000", stringid.GenerateNonCryptoID()})
nc.WaitWithDefaultTimeout()
Expect(nc).To(ExitWithError())
})
It("podman network create with ipv4 subnet and ipv6 flag", func() {
nc := podmanTest.Podman([]string{"network", "create", "--subnet", "10.11.12.0/24", "--ipv6", stringid.GenerateNonCryptoID()})
nc.WaitWithDefaultTimeout()
Expect(nc).To(ExitWithError())
})
It("podman network create with empty subnet and ipv6 flag", func() {
nc := podmanTest.Podman([]string{"network", "create", "--ipv6", stringid.GenerateNonCryptoID()})
nc.WaitWithDefaultTimeout()
Expect(nc).To(ExitWithError())
})
It("podman network create with invalid IP", func() {
nc := podmanTest.Podman([]string{"network", "create", "--subnet", "10.11.0/17000", stringid.GenerateNonCryptoID()})
nc.WaitWithDefaultTimeout()
Expect(nc).To(ExitWithError())
})
It("podman network create with invalid gateway for subnet", func() {
nc := podmanTest.Podman([]string{"network", "create", "--subnet", "10.11.12.0/24", "--gateway", "192.168.1.1", stringid.GenerateNonCryptoID()})
nc.WaitWithDefaultTimeout()
Expect(nc).To(ExitWithError())
})
It("podman network create two networks with same name should fail", func() {
netName := "same-" + stringid.GenerateNonCryptoID()
nc := podmanTest.Podman([]string{"network", "create", netName})
nc.WaitWithDefaultTimeout()
defer podmanTest.removeCNINetwork(netName)
Expect(nc.ExitCode()).To(BeZero())
ncFail := podmanTest.Podman([]string{"network", "create", netName})
ncFail.WaitWithDefaultTimeout()
Expect(ncFail).To(ExitWithError())
})
It("podman network create two networks with same subnet should fail", func() {
netName1 := "sub1-" + stringid.GenerateNonCryptoID()
nc := podmanTest.Podman([]string{"network", "create", "--subnet", "10.11.13.0/24", netName1})
nc.WaitWithDefaultTimeout()
defer podmanTest.removeCNINetwork(netName1)
Expect(nc.ExitCode()).To(BeZero())
netName2 := "sub2-" + stringid.GenerateNonCryptoID()
ncFail := podmanTest.Podman([]string{"network", "create", "--subnet", "10.11.13.0/24", netName2})
ncFail.WaitWithDefaultTimeout()
defer podmanTest.removeCNINetwork(netName2)
Expect(ncFail).To(ExitWithError())
})
It("podman network create two IPv6 networks with same subnet should fail", func() {
SkipIfRootless("FIXME It needs the ip6tables modules loaded")
netName1 := "subipv61-" + stringid.GenerateNonCryptoID()
nc := podmanTest.Podman([]string{"network", "create", "--subnet", "fd00:4:4:4:4::/64", "--ipv6", netName1})
nc.WaitWithDefaultTimeout()
defer podmanTest.removeCNINetwork(netName1)
Expect(nc.ExitCode()).To(BeZero())
netName2 := "subipv62-" + stringid.GenerateNonCryptoID()
ncFail := podmanTest.Podman([]string{"network", "create", "--subnet", "fd00:4:4:4:4::/64", "--ipv6", netName2})
ncFail.WaitWithDefaultTimeout()
defer podmanTest.removeCNINetwork(netName2)
Expect(ncFail).To(ExitWithError())
})
It("podman network create with invalid network name", func() {
nc := podmanTest.Podman([]string{"network", "create", "foo "})
nc.WaitWithDefaultTimeout()
Expect(nc).To(ExitWithError())
})
It("podman network create with mtu option", func() {
net := "mtu-test" + stringid.GenerateNonCryptoID()
nc := podmanTest.Podman([]string{"network", "create", "--opt", "mtu=9000", net})
nc.WaitWithDefaultTimeout()
defer podmanTest.removeCNINetwork(net)
Expect(nc.ExitCode()).To(BeZero())
nc = podmanTest.Podman([]string{"network", "inspect", net})
nc.WaitWithDefaultTimeout()
Expect(nc.ExitCode()).To(BeZero())
Expect(nc.OutputToString()).To(ContainSubstring(`"mtu": 9000,`))
})
It("podman network create with vlan option", func() {
net := "vlan-test" + stringid.GenerateNonCryptoID()
nc := podmanTest.Podman([]string{"network", "create", "--opt", "vlan=9", net})
nc.WaitWithDefaultTimeout()
defer podmanTest.removeCNINetwork(net)
Expect(nc.ExitCode()).To(BeZero())
nc = podmanTest.Podman([]string{"network", "inspect", net})
nc.WaitWithDefaultTimeout()
Expect(nc.ExitCode()).To(BeZero())
Expect(nc.OutputToString()).To(ContainSubstring(`"vlan": 9`))
})
It("podman network create with invalid option", func() {
net := "invalid-test" + stringid.GenerateNonCryptoID()
nc := podmanTest.Podman([]string{"network", "create", "--opt", "foo=bar", net})
nc.WaitWithDefaultTimeout()
defer podmanTest.removeCNINetwork(net)
Expect(nc).To(ExitWithError())
})
It("podman network create with internal should not have dnsname", func() {
net := "internal-test" + stringid.GenerateNonCryptoID()
nc := podmanTest.Podman([]string{"network", "create", "--internal", net})
nc.WaitWithDefaultTimeout()
defer podmanTest.removeCNINetwork(net)
Expect(nc.ExitCode()).To(BeZero())
// Not performing this check on remote tests because it is a logrus error which does
// not come back via stderr on the remote client.
if !IsRemote() {
Expect(nc.ErrorToString()).To(ContainSubstring("dnsname and --internal networks are incompatible"))
}
nc = podmanTest.Podman([]string{"network", "inspect", net})
nc.WaitWithDefaultTimeout()
Expect(nc.ExitCode()).To(BeZero())
Expect(nc.OutputToString()).ToNot(ContainSubstring("dnsname"))
})
})
|
