d96e94897e
When an update is done to the container resolv.conf file and it was inheriting host entries, then we should not re-read the host entries when the container leaves and re-joins the endpoint. Signed-off-by: Jana Radhakrishnan <mrjana@docker.com>
1311 lines
28 KiB
Go
1311 lines
28 KiB
Go
package libnetwork_test
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import (
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"bytes"
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"flag"
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"fmt"
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"io/ioutil"
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"net"
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"os"
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"runtime"
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"strconv"
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"sync"
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"testing"
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log "github.com/Sirupsen/logrus"
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"github.com/docker/docker/pkg/reexec"
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"github.com/docker/libnetwork"
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"github.com/docker/libnetwork/netutils"
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"github.com/docker/libnetwork/pkg/netlabel"
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"github.com/docker/libnetwork/pkg/options"
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"github.com/vishvananda/netns"
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)
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const (
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bridgeNetType = "bridge"
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bridgeName = "docker0"
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)
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func TestMain(m *testing.M) {
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if reexec.Init() {
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return
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}
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os.Exit(m.Run())
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}
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func createTestNetwork(networkType, networkName string, option options.Generic, netOption options.Generic) (libnetwork.Network, error) {
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controller, err := libnetwork.New()
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if err != nil {
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return nil, err
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}
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genericOption := make(map[string]interface{})
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genericOption[netlabel.GenericData] = option
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err = controller.ConfigureNetworkDriver(networkType, genericOption)
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if err != nil {
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return nil, err
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}
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network, err := controller.NewNetwork(networkType, networkName,
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libnetwork.NetworkOptionGeneric(netOption))
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if err != nil {
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return nil, err
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}
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return network, nil
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}
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func getEmptyGenericOption() map[string]interface{} {
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genericOption := make(map[string]interface{})
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genericOption[netlabel.GenericData] = options.Generic{}
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return genericOption
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}
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func getPortMapping() []netutils.PortBinding {
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return []netutils.PortBinding{
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netutils.PortBinding{Proto: netutils.TCP, Port: uint16(230), HostPort: uint16(23000)},
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netutils.PortBinding{Proto: netutils.UDP, Port: uint16(200), HostPort: uint16(22000)},
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netutils.PortBinding{Proto: netutils.TCP, Port: uint16(120), HostPort: uint16(12000)},
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}
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}
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func TestNull(t *testing.T) {
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network, err := createTestNetwork("null", "testnetwork", options.Generic{},
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options.Generic{})
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if err != nil {
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t.Fatal(err)
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}
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ep, err := network.CreateEndpoint("testep")
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if err != nil {
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t.Fatal(err)
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}
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_, err = ep.Join("null_container",
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libnetwork.JoinOptionHostname("test"),
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libnetwork.JoinOptionDomainname("docker.io"),
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libnetwork.JoinOptionExtraHost("web", "192.168.0.1"))
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if err != nil {
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t.Fatal(err)
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}
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err = ep.Leave("null_container")
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if err != nil {
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t.Fatal(err)
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}
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if err := ep.Delete(); err != nil {
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t.Fatal(err)
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}
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if err := network.Delete(); err != nil {
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t.Fatal(err)
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}
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}
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func TestHost(t *testing.T) {
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network, err := createTestNetwork("host", "testnetwork", options.Generic{}, options.Generic{})
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if err != nil {
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t.Fatal(err)
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}
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ep, err := network.CreateEndpoint("testep")
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if err != nil {
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t.Fatal(err)
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}
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_, err = ep.Join("host_container",
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libnetwork.JoinOptionHostname("test"),
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libnetwork.JoinOptionDomainname("docker.io"),
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libnetwork.JoinOptionExtraHost("web", "192.168.0.1"),
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libnetwork.JoinOptionUseDefaultSandbox())
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if err != nil {
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t.Fatal(err)
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}
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err = ep.Leave("host_container")
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if err != nil {
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t.Fatal(err)
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}
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if err := ep.Delete(); err != nil {
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t.Fatal(err)
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}
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if err := network.Delete(); err != nil {
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t.Fatal(err)
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}
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}
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func TestBridge(t *testing.T) {
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if !netutils.IsRunningInContainer() {
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defer netutils.SetupTestNetNS(t)()
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}
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ip, subnet, err := net.ParseCIDR("192.168.100.1/24")
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if err != nil {
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t.Fatal(err)
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}
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subnet.IP = ip
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ip, cidr, err := net.ParseCIDR("192.168.100.2/28")
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if err != nil {
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t.Fatal(err)
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}
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cidr.IP = ip
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ip, cidrv6, err := net.ParseCIDR("fe90::1/96")
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if err != nil {
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t.Fatal(err)
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}
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cidrv6.IP = ip
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log.Debug("Adding a bridge")
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option := options.Generic{
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"EnableIPForwarding": true,
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}
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netOption := options.Generic{
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"BridgeName": bridgeName,
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"AddressIPv4": subnet,
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"FixedCIDR": cidr,
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"FixedCIDRv6": cidrv6,
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"EnableIPv6": true,
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"EnableIPTables": true,
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"EnableIPMasquerade": true,
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"EnableICC": true,
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"AllowNonDefaultBridge": true}
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network, err := createTestNetwork(bridgeNetType, "testnetwork", option, netOption)
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if err != nil {
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t.Fatal(err)
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}
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ep, err := network.CreateEndpoint("testep", libnetwork.CreateOptionPortMapping(getPortMapping()))
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if err != nil {
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t.Fatal(err)
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}
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epInfo, err := ep.Info()
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if err != nil {
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t.Fatal(err)
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}
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pmd, ok := epInfo[netlabel.PortMap]
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if !ok {
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t.Fatalf("Could not find expected info in endpoint data")
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}
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pm, ok := pmd.([]netutils.PortBinding)
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if !ok {
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t.Fatalf("Unexpected format for port mapping in endpoint operational data")
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}
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if len(pm) != 3 {
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t.Fatalf("Incomplete data for port mapping in endpoint operational data: %d", len(pm))
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}
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if err := ep.Delete(); err != nil {
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t.Fatal(err)
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}
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if err := network.Delete(); err != nil {
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t.Fatal(err)
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}
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}
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func TestUnknownDriver(t *testing.T) {
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if !netutils.IsRunningInContainer() {
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defer netutils.SetupTestNetNS(t)()
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}
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_, err := createTestNetwork("unknowndriver", "testnetwork", options.Generic{}, options.Generic{})
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if err == nil {
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t.Fatal("Expected to fail. But instead succeeded")
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}
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if _, ok := err.(libnetwork.NetworkTypeError); !ok {
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t.Fatalf("Did not fail with expected error. Actual error: %v", err)
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}
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}
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func TestNilDriver(t *testing.T) {
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controller, err := libnetwork.New()
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if err != nil {
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t.Fatal(err)
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}
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_, err = controller.NewNetwork("framerelay", "dummy",
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libnetwork.NetworkOptionGeneric(getEmptyGenericOption()))
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if err == nil {
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t.Fatal("Expected to fail. But instead succeeded")
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}
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if err != libnetwork.ErrInvalidNetworkDriver {
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t.Fatalf("Did not fail with expected error. Actual error: %v", err)
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}
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}
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func TestNoInitDriver(t *testing.T) {
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controller, err := libnetwork.New()
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if err != nil {
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t.Fatal(err)
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}
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_, err = controller.NewNetwork("ppp", "dummy",
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libnetwork.NetworkOptionGeneric(getEmptyGenericOption()))
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if err == nil {
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t.Fatal("Expected to fail. But instead succeeded")
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}
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if err != libnetwork.ErrInvalidNetworkDriver {
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t.Fatalf("Did not fail with expected error. Actual error: %v", err)
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}
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}
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func TestDuplicateNetwork(t *testing.T) {
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if !netutils.IsRunningInContainer() {
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defer netutils.SetupTestNetNS(t)()
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}
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controller, err := libnetwork.New()
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if err != nil {
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t.Fatal(err)
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}
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genericOption := make(map[string]interface{})
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genericOption[netlabel.GenericData] = options.Generic{}
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err = controller.ConfigureNetworkDriver(bridgeNetType, genericOption)
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if err != nil {
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t.Fatal(err)
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}
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_, err = controller.NewNetwork(bridgeNetType, "testnetwork",
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libnetwork.NetworkOptionGeneric(genericOption))
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if err != nil {
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t.Fatal(err)
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}
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_, err = controller.NewNetwork(bridgeNetType, "testnetwork")
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if err == nil {
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t.Fatal("Expected to fail. But instead succeeded")
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}
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if _, ok := err.(libnetwork.NetworkNameError); !ok {
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t.Fatalf("Did not fail with expected error. Actual error: %v", err)
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}
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}
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func TestNetworkName(t *testing.T) {
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if !netutils.IsRunningInContainer() {
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defer netutils.SetupTestNetNS(t)()
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}
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_, err := createTestNetwork(bridgeNetType, "", options.Generic{}, options.Generic{})
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if err == nil {
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t.Fatal("Expected to fail. But instead succeeded")
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}
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if err != libnetwork.ErrInvalidName {
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t.Fatal("Expected to fail with ErrInvalidName error")
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}
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networkName := "testnetwork"
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n, err := createTestNetwork(bridgeNetType, networkName, options.Generic{}, options.Generic{})
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if err != nil {
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t.Fatal(err)
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}
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if n.Name() != networkName {
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t.Fatalf("Expected network name %s, got %s", networkName, n.Name())
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}
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}
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func TestNetworkType(t *testing.T) {
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if !netutils.IsRunningInContainer() {
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defer netutils.SetupTestNetNS(t)()
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}
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n, err := createTestNetwork(bridgeNetType, "testnetwork", options.Generic{}, options.Generic{})
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if err != nil {
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t.Fatal(err)
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}
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if n.Type() != bridgeNetType {
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t.Fatalf("Expected network type %s, got %s", bridgeNetType, n.Type())
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}
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}
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func TestNetworkID(t *testing.T) {
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if !netutils.IsRunningInContainer() {
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defer netutils.SetupTestNetNS(t)()
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}
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n, err := createTestNetwork(bridgeNetType, "testnetwork", options.Generic{}, options.Generic{})
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if err != nil {
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t.Fatal(err)
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}
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if n.ID() == "" {
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t.Fatal("Expected non-empty network id")
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}
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}
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func TestDeleteNetworkWithActiveEndpoints(t *testing.T) {
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if !netutils.IsRunningInContainer() {
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defer netutils.SetupTestNetNS(t)()
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}
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option := options.Generic{
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"BridgeName": bridgeName,
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"AllowNonDefaultBridge": true}
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network, err := createTestNetwork(bridgeNetType, "testnetwork", options.Generic{}, option)
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if err != nil {
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t.Fatal(err)
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}
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ep, err := network.CreateEndpoint("testep")
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if err != nil {
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t.Fatal(err)
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}
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err = network.Delete()
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if err == nil {
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t.Fatal("Expected to fail. But instead succeeded")
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}
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if _, ok := err.(*libnetwork.ActiveEndpointsError); !ok {
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t.Fatalf("Did not fail with expected error. Actual error: %v", err)
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}
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// Done testing. Now cleanup.
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if err := ep.Delete(); err != nil {
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t.Fatal(err)
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}
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if err := network.Delete(); err != nil {
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t.Fatal(err)
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}
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}
|
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|
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func TestUnknownNetwork(t *testing.T) {
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if !netutils.IsRunningInContainer() {
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defer netutils.SetupTestNetNS(t)()
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}
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option := options.Generic{
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"BridgeName": bridgeName,
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"AllowNonDefaultBridge": true}
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network, err := createTestNetwork(bridgeNetType, "testnetwork", options.Generic{}, option)
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if err != nil {
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t.Fatal(err)
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}
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err = network.Delete()
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if err != nil {
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t.Fatal(err)
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}
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err = network.Delete()
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if err == nil {
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t.Fatal("Expected to fail. But instead succeeded")
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}
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|
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if _, ok := err.(*libnetwork.UnknownNetworkError); !ok {
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t.Fatalf("Did not fail with expected error. Actual error: %v", err)
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}
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}
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|
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func TestUnknownEndpoint(t *testing.T) {
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if !netutils.IsRunningInContainer() {
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defer netutils.SetupTestNetNS(t)()
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|
}
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|
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ip, subnet, err := net.ParseCIDR("192.168.100.1/24")
|
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if err != nil {
|
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t.Fatal(err)
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}
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subnet.IP = ip
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|
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option := options.Generic{
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"BridgeName": bridgeName,
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"AddressIPv4": subnet,
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"AllowNonDefaultBridge": true}
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|
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network, err := createTestNetwork(bridgeNetType, "testnetwork", options.Generic{}, option)
|
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if err != nil {
|
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t.Fatal(err)
|
|
}
|
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|
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_, err = network.CreateEndpoint("")
|
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if err == nil {
|
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t.Fatal("Expected to fail. But instead succeeded")
|
|
}
|
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if err != libnetwork.ErrInvalidName {
|
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t.Fatal("Expected to fail with ErrInvalidName error")
|
|
}
|
|
|
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ep, err := network.CreateEndpoint("testep")
|
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if err != nil {
|
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t.Fatal(err)
|
|
}
|
|
|
|
err = ep.Delete()
|
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if err != nil {
|
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t.Fatal(err)
|
|
}
|
|
|
|
err = ep.Delete()
|
|
if err == nil {
|
|
t.Fatal("Expected to fail. But instead succeeded")
|
|
}
|
|
|
|
if _, ok := err.(*libnetwork.UnknownEndpointError); !ok {
|
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t.Fatalf("Did not fail with expected error. Actual error: %v", err)
|
|
}
|
|
|
|
// Done testing. Now cleanup
|
|
if err := network.Delete(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func TestNetworkEndpointsWalkers(t *testing.T) {
|
|
if !netutils.IsRunningInContainer() {
|
|
defer netutils.SetupTestNetNS(t)()
|
|
}
|
|
|
|
controller, err := libnetwork.New()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = controller.ConfigureNetworkDriver(bridgeNetType, getEmptyGenericOption())
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Create network 1 and add 2 endpoint: ep11, ep12
|
|
net1, err := controller.NewNetwork(bridgeNetType, "network1")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
ep11, err := net1.CreateEndpoint("ep11")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
ep12, err := net1.CreateEndpoint("ep12")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Test list methods on net1
|
|
epList1 := net1.Endpoints()
|
|
if len(epList1) != 2 {
|
|
t.Fatalf("Endpoints() returned wrong number of elements: %d instead of 2", len(epList1))
|
|
}
|
|
// endpoint order is not guaranteed
|
|
for _, e := range epList1 {
|
|
if e != ep11 && e != ep12 {
|
|
t.Fatal("Endpoints() did not return all the expected elements")
|
|
}
|
|
}
|
|
|
|
// Test Endpoint Walk method
|
|
var epName string
|
|
var epWanted libnetwork.Endpoint
|
|
wlk := func(ep libnetwork.Endpoint) bool {
|
|
if ep.Name() == epName {
|
|
epWanted = ep
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
|
|
// Look for ep1 on network1
|
|
epName = "ep11"
|
|
net1.WalkEndpoints(wlk)
|
|
if epWanted == nil {
|
|
t.Fatal(err)
|
|
}
|
|
if ep11 != epWanted {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Test Network Walk method
|
|
var netName string
|
|
var netWanted libnetwork.Network
|
|
nwWlk := func(nw libnetwork.Network) bool {
|
|
if nw.Name() == netName {
|
|
netWanted = nw
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
|
|
// Look for network named "network1"
|
|
netName = "network1"
|
|
controller.WalkNetworks(nwWlk)
|
|
if netWanted == nil {
|
|
t.Fatal(err)
|
|
}
|
|
if net1 != netWanted {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func TestControllerQuery(t *testing.T) {
|
|
if !netutils.IsRunningInContainer() {
|
|
defer netutils.SetupTestNetNS(t)()
|
|
}
|
|
|
|
controller, err := libnetwork.New()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = controller.ConfigureNetworkDriver(bridgeNetType, getEmptyGenericOption())
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Create network 1
|
|
net1, err := controller.NewNetwork(bridgeNetType, "network1")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
_, err = controller.NetworkByName("")
|
|
if err == nil {
|
|
t.Fatalf("NetworkByName() succeeded with invalid target name")
|
|
}
|
|
if err != libnetwork.ErrInvalidName {
|
|
t.Fatalf("NetworkByName() failed with unexpected error: %v", err)
|
|
}
|
|
|
|
_, err = controller.NetworkByID("")
|
|
if err == nil {
|
|
t.Fatalf("NetworkByID() succeeded with invalid target id")
|
|
}
|
|
if err != libnetwork.ErrInvalidID {
|
|
t.Fatalf("NetworkByID() failed with unexpected error: %v", err)
|
|
}
|
|
|
|
g, err := controller.NetworkByID("network1")
|
|
if err != nil {
|
|
t.Fatalf("Unexpected failure for NetworkByID(): %v", err)
|
|
}
|
|
if g != nil {
|
|
t.Fatalf("NetworkByID() succeeded with unknown target id")
|
|
}
|
|
|
|
g, err = controller.NetworkByName("network1")
|
|
if err != nil {
|
|
t.Fatalf("Unexpected failure for NetworkByName(): %v", err)
|
|
}
|
|
if g == nil {
|
|
t.Fatalf("NetworkByName() did not find the network")
|
|
}
|
|
|
|
if g != net1 {
|
|
t.Fatalf("NetworkByName() returned the wrong network")
|
|
}
|
|
|
|
g, err = controller.NetworkByID(net1.ID())
|
|
if err != nil {
|
|
t.Fatalf("Unexpected failure for NetworkByID(): %v", err)
|
|
}
|
|
if net1 != g {
|
|
t.Fatalf("NetworkByID() returned unexpected element: %v", g)
|
|
}
|
|
}
|
|
|
|
func TestNetworkQuery(t *testing.T) {
|
|
if !netutils.IsRunningInContainer() {
|
|
defer netutils.SetupTestNetNS(t)()
|
|
}
|
|
|
|
controller, err := libnetwork.New()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = controller.ConfigureNetworkDriver(bridgeNetType, getEmptyGenericOption())
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Create network 1 and add 2 endpoint: ep11, ep12
|
|
net1, err := controller.NewNetwork(bridgeNetType, "network1")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
ep11, err := net1.CreateEndpoint("ep11")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
ep12, err := net1.CreateEndpoint("ep12")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
e, err := net1.EndpointByName("ep11")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if ep11 != e {
|
|
t.Fatalf("EndpointByName() returned %v instead of %v", e, ep11)
|
|
}
|
|
|
|
e, err = net1.EndpointByName("")
|
|
if err == nil {
|
|
t.Fatalf("EndpointByName() succeeded with invalid target name")
|
|
}
|
|
if err != libnetwork.ErrInvalidName {
|
|
t.Fatalf("EndpointByName() failed with unexpected error: %v", err)
|
|
}
|
|
|
|
e, err = net1.EndpointByName("IamNotAnEndpoint")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if e != nil {
|
|
t.Fatalf("EndpointByName(): expected nil, got %v", e)
|
|
}
|
|
|
|
e, err = net1.EndpointByID(ep12.ID())
|
|
if ep12 != e {
|
|
t.Fatalf("EndpointByID() returned %v instead of %v", e, ep12)
|
|
}
|
|
|
|
e, err = net1.EndpointByID("")
|
|
if err == nil {
|
|
t.Fatalf("EndpointByID() succeeded with invalid target id")
|
|
}
|
|
if err != libnetwork.ErrInvalidID {
|
|
t.Fatalf("EndpointByID() failed with unexpected error: %v", err)
|
|
}
|
|
}
|
|
|
|
const containerID = "valid_container"
|
|
|
|
func TestEndpointJoin(t *testing.T) {
|
|
if !netutils.IsRunningInContainer() {
|
|
defer netutils.SetupTestNetNS(t)()
|
|
}
|
|
|
|
n, err := createTestNetwork(bridgeNetType, "testnetwork", options.Generic{}, options.Generic{})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
ep, err := n.CreateEndpoint("ep1")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
_, err = ep.Join(containerID,
|
|
libnetwork.JoinOptionHostname("test"),
|
|
libnetwork.JoinOptionDomainname("docker.io"),
|
|
libnetwork.JoinOptionExtraHost("web", "192.168.0.1"))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
defer func() {
|
|
err = ep.Leave(containerID)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
}
|
|
|
|
func TestEndpointJoinInvalidContainerId(t *testing.T) {
|
|
if !netutils.IsRunningInContainer() {
|
|
defer netutils.SetupTestNetNS(t)()
|
|
}
|
|
|
|
n, err := createTestNetwork(bridgeNetType, "testnetwork", options.Generic{}, options.Generic{})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
ep, err := n.CreateEndpoint("ep1")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
_, err = ep.Join("")
|
|
if err == nil {
|
|
t.Fatal("Expected to fail join with empty container id string")
|
|
}
|
|
|
|
if _, ok := err.(libnetwork.InvalidContainerIDError); !ok {
|
|
t.Fatalf("Failed for unexpected reason: %v", err)
|
|
}
|
|
}
|
|
|
|
func TestEndpointDeleteWithActiveContainer(t *testing.T) {
|
|
if !netutils.IsRunningInContainer() {
|
|
defer netutils.SetupTestNetNS(t)()
|
|
}
|
|
|
|
n, err := createTestNetwork(bridgeNetType, "testnetwork", options.Generic{}, options.Generic{})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
ep, err := n.CreateEndpoint("ep1")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
_, err = ep.Join(containerID,
|
|
libnetwork.JoinOptionHostname("test"),
|
|
libnetwork.JoinOptionDomainname("docker.io"),
|
|
libnetwork.JoinOptionExtraHost("web", "192.168.0.1"))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
err = ep.Leave(containerID)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = ep.Delete()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
err = ep.Delete()
|
|
if err == nil {
|
|
t.Fatal("Expected to fail. But instead succeeded")
|
|
}
|
|
|
|
if _, ok := err.(*libnetwork.ActiveContainerError); !ok {
|
|
t.Fatalf("Did not fail with expected error. Actual error: %v", err)
|
|
}
|
|
}
|
|
|
|
func TestEndpointMultipleJoins(t *testing.T) {
|
|
if !netutils.IsRunningInContainer() {
|
|
defer netutils.SetupTestNetNS(t)()
|
|
}
|
|
|
|
n, err := createTestNetwork(bridgeNetType, "testnetwork", options.Generic{}, options.Generic{})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
ep, err := n.CreateEndpoint("ep1")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
_, err = ep.Join(containerID,
|
|
libnetwork.JoinOptionHostname("test"),
|
|
libnetwork.JoinOptionDomainname("docker.io"),
|
|
libnetwork.JoinOptionExtraHost("web", "192.168.0.1"))
|
|
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
err = ep.Leave(containerID)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
_, err = ep.Join("container2")
|
|
if err == nil {
|
|
t.Fatal("Expected to fail multiple joins for the same endpoint")
|
|
}
|
|
|
|
if err != libnetwork.ErrInvalidJoin {
|
|
t.Fatalf("Failed for unexpected reason: %v", err)
|
|
}
|
|
}
|
|
|
|
func TestEndpointInvalidLeave(t *testing.T) {
|
|
if !netutils.IsRunningInContainer() {
|
|
defer netutils.SetupTestNetNS(t)()
|
|
}
|
|
|
|
n, err := createTestNetwork(bridgeNetType, "testnetwork", options.Generic{}, options.Generic{})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
ep, err := n.CreateEndpoint("ep1")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = ep.Leave(containerID)
|
|
if err == nil {
|
|
t.Fatal("Expected to fail leave from an endpoint which has no active join")
|
|
}
|
|
|
|
if _, ok := err.(libnetwork.InvalidContainerIDError); !ok {
|
|
if err != libnetwork.ErrNoContainer {
|
|
t.Fatalf("Failed for unexpected reason: %v", err)
|
|
}
|
|
}
|
|
|
|
_, err = ep.Join(containerID,
|
|
libnetwork.JoinOptionHostname("test"),
|
|
libnetwork.JoinOptionDomainname("docker.io"),
|
|
libnetwork.JoinOptionExtraHost("web", "192.168.0.1"))
|
|
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
err = ep.Leave(containerID)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
err = ep.Leave("")
|
|
if err == nil {
|
|
t.Fatal("Expected to fail leave with empty container id")
|
|
}
|
|
|
|
if _, ok := err.(libnetwork.InvalidContainerIDError); !ok {
|
|
t.Fatalf("Failed for unexpected reason: %v", err)
|
|
}
|
|
|
|
err = ep.Leave("container2")
|
|
if err == nil {
|
|
t.Fatal("Expected to fail leave with wrong container id")
|
|
}
|
|
|
|
if _, ok := err.(libnetwork.InvalidContainerIDError); !ok {
|
|
t.Fatalf("Failed for unexpected reason: %v", err)
|
|
}
|
|
|
|
}
|
|
|
|
func TestEndpointUpdateParent(t *testing.T) {
|
|
if !netutils.IsRunningInContainer() {
|
|
defer netutils.SetupTestNetNS(t)()
|
|
}
|
|
|
|
n, err := createTestNetwork("bridge", "testnetwork", options.Generic{}, options.Generic{})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
ep1, err := n.CreateEndpoint("ep1", nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
_, err = ep1.Join(containerID,
|
|
libnetwork.JoinOptionHostname("test1"),
|
|
libnetwork.JoinOptionDomainname("docker.io"),
|
|
libnetwork.JoinOptionExtraHost("web", "192.168.0.1"))
|
|
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
err = ep1.Leave(containerID)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
ep2, err := n.CreateEndpoint("ep2", nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
_, err = ep2.Join("container2",
|
|
libnetwork.JoinOptionHostname("test2"),
|
|
libnetwork.JoinOptionDomainname("docker.io"),
|
|
libnetwork.JoinOptionHostsPath("/var/lib/docker/test_network/container2/hosts"),
|
|
libnetwork.JoinOptionParentUpdate(ep1.ID(), "web", "192.168.0.2"))
|
|
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
defer func() {
|
|
err = ep2.Leave("container2")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
}
|
|
|
|
func TestEnableIPv6(t *testing.T) {
|
|
if !netutils.IsRunningInContainer() {
|
|
defer netutils.SetupTestNetNS(t)()
|
|
}
|
|
|
|
tmpResolvConf := []byte("search pommesfrites.fr\nnameserver 12.34.56.78\nnameserver 2001:4860:4860::8888")
|
|
//take a copy of resolv.conf for restoring after test completes
|
|
resolvConfSystem, err := ioutil.ReadFile("/etc/resolv.conf")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
//cleanup
|
|
defer func() {
|
|
if err := ioutil.WriteFile("/etc/resolv.conf", resolvConfSystem, 0644); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
ip, cidrv6, err := net.ParseCIDR("fe80::1/64")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
cidrv6.IP = ip
|
|
|
|
netOption := options.Generic{
|
|
netlabel.EnableIPv6: true,
|
|
netlabel.GenericData: options.Generic{
|
|
"FixedCIDRv6": cidrv6,
|
|
},
|
|
}
|
|
|
|
n, err := createTestNetwork("bridge", "testnetwork", options.Generic{}, netOption)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
ep1, err := n.CreateEndpoint("ep1", nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if err := ioutil.WriteFile("/etc/resolv.conf", tmpResolvConf, 0644); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
resolvConfPath := "/tmp/libnetwork_test/resolv.conf"
|
|
|
|
_, err = ep1.Join(containerID,
|
|
libnetwork.JoinOptionResolvConfPath(resolvConfPath))
|
|
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
err = ep1.Leave(containerID)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
content, err := ioutil.ReadFile(resolvConfPath)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if !bytes.Equal(content, tmpResolvConf) {
|
|
t.Fatalf("Expected %s, Got %s", string(tmpResolvConf), string(content))
|
|
}
|
|
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func TestResolvConf(t *testing.T) {
|
|
if !netutils.IsRunningInContainer() {
|
|
defer netutils.SetupTestNetNS(t)()
|
|
}
|
|
|
|
tmpResolvConf1 := []byte("search pommesfrites.fr\nnameserver 12.34.56.78\nnameserver 2001:4860:4860::8888")
|
|
expectedResolvConf1 := []byte("search pommesfrites.fr\nnameserver 12.34.56.78\n")
|
|
tmpResolvConf2 := []byte("search pommesfrites.fr\nnameserver 112.34.56.78\nnameserver 2001:4860:4860::8888")
|
|
expectedResolvConf2 := []byte("search pommesfrites.fr\nnameserver 112.34.56.78\n")
|
|
tmpResolvConf3 := []byte("search pommesfrites.fr\nnameserver 113.34.56.78\n")
|
|
|
|
//take a copy of resolv.conf for restoring after test completes
|
|
resolvConfSystem, err := ioutil.ReadFile("/etc/resolv.conf")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
//cleanup
|
|
defer func() {
|
|
if err := ioutil.WriteFile("/etc/resolv.conf", resolvConfSystem, 0644); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
n, err := createTestNetwork("bridge", "testnetwork", options.Generic{}, options.Generic{})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
ep1, err := n.CreateEndpoint("ep1", nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if err := ioutil.WriteFile("/etc/resolv.conf", tmpResolvConf1, 0644); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
resolvConfPath := "/tmp/libnetwork_test/resolv.conf"
|
|
|
|
_, err = ep1.Join(containerID,
|
|
libnetwork.JoinOptionResolvConfPath(resolvConfPath))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer func() {
|
|
err = ep1.Leave(containerID)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
content, err := ioutil.ReadFile(resolvConfPath)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if !bytes.Equal(content, expectedResolvConf1) {
|
|
t.Fatalf("Expected %s, Got %s", string(expectedResolvConf1), string(content))
|
|
}
|
|
|
|
err = ep1.Leave(containerID)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if err := ioutil.WriteFile("/etc/resolv.conf", tmpResolvConf2, 0644); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
_, err = ep1.Join(containerID,
|
|
libnetwork.JoinOptionResolvConfPath(resolvConfPath))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
content, err = ioutil.ReadFile(resolvConfPath)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if !bytes.Equal(content, expectedResolvConf2) {
|
|
t.Fatalf("Expected %s, Got %s", string(expectedResolvConf2), string(content))
|
|
}
|
|
|
|
if err := ioutil.WriteFile(resolvConfPath, tmpResolvConf3, 0644); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = ep1.Leave(containerID)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
_, err = ep1.Join(containerID,
|
|
libnetwork.JoinOptionResolvConfPath(resolvConfPath))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
content, err = ioutil.ReadFile(resolvConfPath)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if !bytes.Equal(content, tmpResolvConf3) {
|
|
t.Fatalf("Expected %s, Got %s", string(tmpResolvConf3), string(content))
|
|
}
|
|
}
|
|
|
|
var (
|
|
once sync.Once
|
|
ctrlr libnetwork.NetworkController
|
|
start = make(chan struct{})
|
|
done = make(chan chan struct{}, numThreads-1)
|
|
origns = netns.None()
|
|
testns = netns.None()
|
|
)
|
|
|
|
const (
|
|
iterCnt = 25
|
|
numThreads = 3
|
|
first = 1
|
|
last = numThreads
|
|
debug = false
|
|
)
|
|
|
|
func createGlobalInstance(t *testing.T) {
|
|
var err error
|
|
defer close(start)
|
|
|
|
origns, err = netns.Get()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if netutils.IsRunningInContainer() {
|
|
testns = origns
|
|
} else {
|
|
testns, err = netns.New()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
ctrlr, err = libnetwork.New()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = ctrlr.ConfigureNetworkDriver(bridgeNetType, getEmptyGenericOption())
|
|
if err != nil {
|
|
t.Fatal("configure driver")
|
|
}
|
|
|
|
net, err := ctrlr.NewNetwork(bridgeNetType, "network1")
|
|
if err != nil {
|
|
t.Fatal("new network")
|
|
}
|
|
|
|
_, err = net.CreateEndpoint("ep1")
|
|
if err != nil {
|
|
t.Fatal("createendpoint")
|
|
}
|
|
}
|
|
|
|
func debugf(format string, a ...interface{}) (int, error) {
|
|
if debug {
|
|
return fmt.Printf(format, a...)
|
|
}
|
|
|
|
return 0, nil
|
|
}
|
|
|
|
func parallelJoin(t *testing.T, ep libnetwork.Endpoint, thrNumber int) {
|
|
debugf("J%d.", thrNumber)
|
|
_, err := ep.Join("racing_container")
|
|
runtime.LockOSThread()
|
|
if err != nil {
|
|
if err != libnetwork.ErrNoContainer && err != libnetwork.ErrInvalidJoin {
|
|
t.Fatal(err)
|
|
}
|
|
debugf("JE%d(%v).", thrNumber, err)
|
|
}
|
|
debugf("JD%d.", thrNumber)
|
|
}
|
|
|
|
func parallelLeave(t *testing.T, ep libnetwork.Endpoint, thrNumber int) {
|
|
debugf("L%d.", thrNumber)
|
|
err := ep.Leave("racing_container")
|
|
runtime.LockOSThread()
|
|
if err != nil {
|
|
if err != libnetwork.ErrNoContainer && err != libnetwork.ErrInvalidJoin {
|
|
t.Fatal(err)
|
|
}
|
|
debugf("LE%d(%v).", thrNumber, err)
|
|
}
|
|
debugf("LD%d.", thrNumber)
|
|
}
|
|
|
|
func runParallelTests(t *testing.T, thrNumber int) {
|
|
var err error
|
|
|
|
t.Parallel()
|
|
|
|
pTest := flag.Lookup("test.parallel")
|
|
if pTest == nil {
|
|
t.Skip("Skipped because test.parallel flag not set;")
|
|
}
|
|
numParallel, err := strconv.Atoi(pTest.Value.String())
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if numParallel < numThreads {
|
|
t.Skip("Skipped because t.parallel was less than ", numThreads)
|
|
}
|
|
|
|
runtime.LockOSThread()
|
|
defer runtime.UnlockOSThread()
|
|
|
|
if thrNumber == first {
|
|
createGlobalInstance(t)
|
|
}
|
|
|
|
if thrNumber != first {
|
|
select {
|
|
case <-start:
|
|
}
|
|
|
|
thrdone := make(chan struct{})
|
|
done <- thrdone
|
|
defer close(thrdone)
|
|
|
|
if thrNumber == last {
|
|
defer close(done)
|
|
}
|
|
|
|
err = netns.Set(testns)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
defer netns.Set(origns)
|
|
|
|
net, err := ctrlr.NetworkByName("network1")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if net == nil {
|
|
t.Fatal("Could not find network1")
|
|
}
|
|
|
|
ep, err := net.EndpointByName("ep1")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if ep == nil {
|
|
t.Fatal("Could not find ep1")
|
|
}
|
|
|
|
for i := 0; i < iterCnt; i++ {
|
|
parallelJoin(t, ep, thrNumber)
|
|
parallelLeave(t, ep, thrNumber)
|
|
}
|
|
|
|
debugf("\n")
|
|
|
|
if thrNumber == first {
|
|
for thrdone := range done {
|
|
select {
|
|
case <-thrdone:
|
|
}
|
|
}
|
|
|
|
testns.Close()
|
|
err = ep.Delete()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestParallel1(t *testing.T) {
|
|
runParallelTests(t, 1)
|
|
}
|
|
|
|
func TestParallel2(t *testing.T) {
|
|
runParallelTests(t, 2)
|
|
}
|
|
|
|
func TestParallel3(t *testing.T) {
|
|
runParallelTests(t, 3)
|
|
}
|