func (ej *endpointJoin) parseOptions() []libnetwork.EndpointOption { var setFctList []libnetwork.EndpointOption if ej.HostName != "" { setFctList = append(setFctList, libnetwork.JoinOptionHostname(ej.HostName)) } if ej.DomainName != "" { setFctList = append(setFctList, libnetwork.JoinOptionDomainname(ej.DomainName)) } if ej.HostsPath != "" { setFctList = append(setFctList, libnetwork.JoinOptionHostsPath(ej.HostsPath)) } if ej.ResolvConfPath != "" { setFctList = append(setFctList, libnetwork.JoinOptionResolvConfPath(ej.ResolvConfPath)) } if ej.UseDefaultSandbox { setFctList = append(setFctList, libnetwork.JoinOptionUseDefaultSandbox()) } if ej.DNS != nil { for _, d := range ej.DNS { setFctList = append(setFctList, libnetwork.JoinOptionDNS(d)) } } if ej.ExtraHosts != nil { for _, e := range ej.ExtraHosts { setFctList = append(setFctList, libnetwork.JoinOptionExtraHost(e.Name, e.Address)) } } if ej.ParentUpdates != nil { for _, p := range ej.ParentUpdates { setFctList = append(setFctList, libnetwork.JoinOptionParentUpdate(p.EndpointID, p.Name, p.Address)) } } return setFctList }
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 TestNull(t *testing.T) { network, err := createTestNetwork("null", "testnetwork", options.Generic{}, options.Generic{}) if err != nil { t.Fatal(err) } ep, err := network.CreateEndpoint("testep") if err != nil { t.Fatal(err) } _, err = ep.Join("null_container", libnetwork.JoinOptionHostname("test"), libnetwork.JoinOptionDomainname("docker.io"), libnetwork.JoinOptionExtraHost("web", "192.168.0.1")) if err != nil { t.Fatal(err) } err = ep.Leave("null_container") if err != nil { t.Fatal(err) } if err := ep.Delete(); err != nil { t.Fatal(err) } if err := network.Delete(); err != nil { t.Fatal(err) } }
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) } // Validate if ep.Info() only gives me IP address info and not names and gateway during CreateEndpoint() info := ep.Info() for _, iface := range info.InterfaceList() { if iface.Address().IP.To4() == nil { t.Fatalf("Invalid IP address returned: %v", iface.Address()) } } if info.Gateway().To4() != nil { t.Fatalf("Expected empty gateway for an empty endpoint. Instead found a gateway: %v", info.Gateway()) } if info.SandboxKey() != "" { t.Fatalf("Expected an empty sandbox key for an empty endpoint. Instead found a non-empty sandbox key: %s", info.SandboxKey()) } _, 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) } }() // Validate if ep.Info() only gives valid gateway and sandbox key after has container has joined. info = ep.Info() if info.Gateway().To4() == nil { t.Fatalf("Expected a valid gateway for a joined endpoint. Instead found an invalid gateway: %v", info.Gateway()) } if info.SandboxKey() == "" { t.Fatalf("Expected an non-empty sandbox key for a joined endpoint. Instead found a empty sandbox key") } checkSandbox(t, info) }
func TestEndpointDeleteWithActiveContainer(t *testing.T) { if !netutils.IsRunningInContainer() { defer netutils.SetupTestNetNS(t)() } n, err := createTestNetwork(bridgeNetType, "testnetwork", options.Generic{ netlabel.GenericData: options.Generic{ "BridgeName": "testnetwork", "AllowNonDefaultBridge": true, }, }) if err != nil { t.Fatal(err) } defer func() { if err := n.Delete(); err != nil { t.Fatal(err) } }() ep, err := n.CreateEndpoint("ep1") if err != nil { t.Fatal(err) } defer func() { err = ep.Delete() if err != nil { t.Fatal(err) } }() defer controller.LeaveAll(containerID) err = ep.Join(containerID, libnetwork.JoinOptionHostname("test"), libnetwork.JoinOptionDomainname("docker.io"), libnetwork.JoinOptionExtraHost("web", "192.168.0.1")) runtime.LockOSThread() if err != nil { t.Fatal(err) } defer func() { err = ep.Leave(containerID) runtime.LockOSThread() 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{ netlabel.GenericData: options.Generic{ "BridgeName": "testnetwork", "AllowNonDefaultBridge": true, }, }) if err != nil { t.Fatal(err) } defer func() { if err := n.Delete(); err != nil { t.Fatal(err) } }() ep, err := n.CreateEndpoint("ep1") if err != nil { t.Fatal(err) } defer func() { if err := ep.Delete(); err != nil { t.Fatal(err) } }() defer controller.LeaveAll(containerID) err = ep.Join(containerID, libnetwork.JoinOptionHostname("test"), libnetwork.JoinOptionDomainname("docker.io"), libnetwork.JoinOptionExtraHost("web", "192.168.0.1")) runtime.LockOSThread() if err != nil { t.Fatal(err) } defer func() { err = ep.Leave(containerID) runtime.LockOSThread() 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 _, ok := err.(libnetwork.ErrInvalidJoin); !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 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 TestNull(t *testing.T) { network, err := createTestNetwork("null", "testnull", options.Generic{}) if err != nil { t.Fatal(err) } ep, err := network.CreateEndpoint("testep") if err != nil { t.Fatal(err) } err = ep.Join("null_container", libnetwork.JoinOptionHostname("test"), libnetwork.JoinOptionDomainname("docker.io"), libnetwork.JoinOptionExtraHost("web", "192.168.0.1")) if err != nil { t.Fatal(err) } err = ep.Leave("null_container") if err != nil { t.Fatal(err) } if err := ep.Delete(); err != nil { t.Fatal(err) } // host type is special network. Cannot be removed. err = network.Delete() if err == nil { t.Fatal(err) } if _, ok := err.(types.ForbiddenError); !ok { t.Fatalf("Unexpected error type") } }
func (container *Container) buildJoinOptions() ([]libnetwork.EndpointOption, error) { var ( joinOptions []libnetwork.EndpointOption err error dns []string dnsSearch []string ) joinOptions = append(joinOptions, libnetwork.JoinOptionHostname(container.Config.Hostname), libnetwork.JoinOptionDomainname(container.Config.Domainname)) if container.hostConfig.NetworkMode.IsHost() { joinOptions = append(joinOptions, libnetwork.JoinOptionUseDefaultSandbox()) } container.HostsPath, err = container.GetRootResourcePath("hosts") if err != nil { return nil, err } joinOptions = append(joinOptions, libnetwork.JoinOptionHostsPath(container.HostsPath)) container.ResolvConfPath, err = container.GetRootResourcePath("resolv.conf") if err != nil { return nil, err } joinOptions = append(joinOptions, libnetwork.JoinOptionResolvConfPath(container.ResolvConfPath)) if len(container.hostConfig.DNS) > 0 { dns = container.hostConfig.DNS } else if len(container.daemon.config.Dns) > 0 { dns = container.daemon.config.Dns } for _, d := range dns { joinOptions = append(joinOptions, libnetwork.JoinOptionDNS(d)) } if len(container.hostConfig.DNSSearch) > 0 { dnsSearch = container.hostConfig.DNSSearch } else if len(container.daemon.config.DnsSearch) > 0 { dnsSearch = container.daemon.config.DnsSearch } for _, ds := range dnsSearch { joinOptions = append(joinOptions, libnetwork.JoinOptionDNSSearch(ds)) } if container.NetworkSettings.SecondaryIPAddresses != nil { name := container.Config.Hostname if container.Config.Domainname != "" { name = name + "." + container.Config.Domainname } for _, a := range container.NetworkSettings.SecondaryIPAddresses { joinOptions = append(joinOptions, libnetwork.JoinOptionExtraHost(name, a.Addr)) } } var childEndpoints, parentEndpoints []string children, err := container.daemon.Children(container.Name) if err != nil { return nil, err } for linkAlias, child := range children { _, alias := path.Split(linkAlias) // allow access to the linked container via the alias, real name, and container hostname aliasList := alias + " " + child.Config.Hostname // only add the name if alias isn't equal to the name if alias != child.Name[1:] { aliasList = aliasList + " " + child.Name[1:] } joinOptions = append(joinOptions, libnetwork.JoinOptionExtraHost(aliasList, child.NetworkSettings.IPAddress)) if child.NetworkSettings.EndpointID != "" { childEndpoints = append(childEndpoints, child.NetworkSettings.EndpointID) } } for _, extraHost := range container.hostConfig.ExtraHosts { // allow IPv6 addresses in extra hosts; only split on first ":" parts := strings.SplitN(extraHost, ":", 2) joinOptions = append(joinOptions, libnetwork.JoinOptionExtraHost(parts[0], parts[1])) } refs := container.daemon.ContainerGraph().RefPaths(container.ID) for _, ref := range refs { if ref.ParentID == "0" { continue } c, err := container.daemon.Get(ref.ParentID) if err != nil { logrus.Error(err) } if c != nil && !container.daemon.config.DisableBridge && container.hostConfig.NetworkMode.IsPrivate() { logrus.Debugf("Update /etc/hosts of %s for alias %s with ip %s", c.ID, ref.Name, container.NetworkSettings.IPAddress) joinOptions = append(joinOptions, libnetwork.JoinOptionParentUpdate(c.NetworkSettings.EndpointID, ref.Name, container.NetworkSettings.IPAddress)) if c.NetworkSettings.EndpointID != "" { parentEndpoints = append(parentEndpoints, c.NetworkSettings.EndpointID) } } } linkOptions := options.Generic{ netlabel.GenericData: options.Generic{ "ParentEndpoints": parentEndpoints, "ChildEndpoints": childEndpoints, }, } joinOptions = append(joinOptions, libnetwork.JoinOptionGeneric(linkOptions)) return joinOptions, nil }
func TestHost(t *testing.T) { network, err := createTestNetwork("host", "testnetwork", options.Generic{}, options.Generic{}) if err != nil { t.Fatal(err) } ep1, err := network.CreateEndpoint("testep1") if err != nil { t.Fatal(err) } _, err = ep1.Join("host_container1", libnetwork.JoinOptionHostname("test1"), libnetwork.JoinOptionDomainname("docker.io"), libnetwork.JoinOptionExtraHost("web", "192.168.0.1"), libnetwork.JoinOptionUseDefaultSandbox()) if err != nil { t.Fatal(err) } ep2, err := network.CreateEndpoint("testep2") if err != nil { t.Fatal(err) } _, err = ep2.Join("host_container2", libnetwork.JoinOptionHostname("test2"), libnetwork.JoinOptionDomainname("docker.io"), libnetwork.JoinOptionExtraHost("web", "192.168.0.1"), libnetwork.JoinOptionUseDefaultSandbox()) if err != nil { t.Fatal(err) } err = ep1.Leave("host_container1") if err != nil { t.Fatal(err) } err = ep2.Leave("host_container2") if err != nil { t.Fatal(err) } if err := ep1.Delete(); err != nil { t.Fatal(err) } if err := ep2.Delete(); err != nil { t.Fatal(err) } // Try to create another host endpoint and join/leave that. ep3, err := network.CreateEndpoint("testep3") if err != nil { t.Fatal(err) } _, err = ep3.Join("host_container3", libnetwork.JoinOptionHostname("test3"), libnetwork.JoinOptionDomainname("docker.io"), libnetwork.JoinOptionExtraHost("web", "192.168.0.1"), libnetwork.JoinOptionUseDefaultSandbox()) if err != nil { t.Fatal(err) } err = ep3.Leave("host_container3") if err != nil { t.Fatal(err) } if err := ep3.Delete(); err != nil { t.Fatal(err) } if err := network.Delete(); err != nil { t.Fatal(err) } }
func TestEndpointJoin(t *testing.T) { if !netutils.IsRunningInContainer() { defer netutils.SetupTestNetNS(t)() } // Create network 1 and add 2 endpoint: ep11, ep12 n1, err := createTestNetwork(bridgeNetType, "testnetwork1", options.Generic{ netlabel.GenericData: options.Generic{ "BridgeName": "testnetwork1", "AllowNonDefaultBridge": true, }, }) if err != nil { t.Fatal(err) } defer func() { if err := n1.Delete(); err != nil { t.Fatal(err) } }() ep1, err := n1.CreateEndpoint("ep1") if err != nil { t.Fatal(err) } defer func() { if err := ep1.Delete(); err != nil { t.Fatal(err) } }() // Validate if ep.Info() only gives me IP address info and not names and gateway during CreateEndpoint() info := ep1.Info() for _, iface := range info.InterfaceList() { if iface.Address().IP.To4() == nil { t.Fatalf("Invalid IP address returned: %v", iface.Address()) } } if info.Gateway().To4() != nil { t.Fatalf("Expected empty gateway for an empty endpoint. Instead found a gateway: %v", info.Gateway()) } if info.SandboxKey() != "" { t.Fatalf("Expected an empty sandbox key for an empty endpoint. Instead found a non-empty sandbox key: %s", info.SandboxKey()) } defer controller.LeaveAll(containerID) err = ep1.Join(containerID, libnetwork.JoinOptionHostname("test"), libnetwork.JoinOptionDomainname("docker.io"), libnetwork.JoinOptionExtraHost("web", "192.168.0.1")) runtime.LockOSThread() if err != nil { t.Fatal(err) } defer func() { err = ep1.Leave(containerID) runtime.LockOSThread() if err != nil { t.Fatal(err) } }() // Validate if ep.Info() only gives valid gateway and sandbox key after has container has joined. info = ep1.Info() if info.Gateway().To4() == nil { t.Fatalf("Expected a valid gateway for a joined endpoint. Instead found an invalid gateway: %v", info.Gateway()) } if info.SandboxKey() == "" { t.Fatalf("Expected an non-empty sandbox key for a joined endpoint. Instead found a empty sandbox key") } // Check endpoint provided container information if ep1.ContainerInfo().ID() != containerID { t.Fatalf("Endpoint ContainerInfo returned unexpected id: %s", ep1.ContainerInfo().ID()) } // Attempt retrieval of endpoint interfaces statistics stats, err := ep1.Statistics() if err != nil { t.Fatal(err) } if _, ok := stats["eth0"]; !ok { t.Fatalf("Did not find eth0 statistics") } // Now test the container joining another network n2, err := createTestNetwork(bridgeNetType, "testnetwork2", options.Generic{ netlabel.GenericData: options.Generic{ "BridgeName": "testnetwork2", "AllowNonDefaultBridge": true, }, }) if err != nil { t.Fatal(err) } defer func() { if err := n2.Delete(); err != nil { t.Fatal(err) } }() ep2, err := n2.CreateEndpoint("ep2") if err != nil { t.Fatal(err) } defer func() { if err := ep2.Delete(); err != nil { t.Fatal(err) } }() err = ep2.Join(containerID) if err != nil { t.Fatal(err) } runtime.LockOSThread() defer func() { err = ep2.Leave(containerID) runtime.LockOSThread() if err != nil { t.Fatal(err) } }() if ep1.ContainerInfo().ID() != ep2.ContainerInfo().ID() { t.Fatalf("ep1 and ep2 returned different container info") } checkSandbox(t, info) }
func TestEndpointUpdateParent(t *testing.T) { if !netutils.IsRunningInContainer() { defer netutils.SetupTestNetNS(t)() } n, err := createTestNetwork("bridge", "testnetwork", options.Generic{ netlabel.GenericData: options.Generic{ "BridgeName": "testnetwork", "AllowNonDefaultBridge": true, }, }) if err != nil { t.Fatal(err) } defer func() { if err := n.Delete(); err != nil { t.Fatal(err) } }() ep1, err := n.CreateEndpoint("ep1") if err != nil { t.Fatal(err) } defer func() { if err := ep1.Delete(); err != nil { t.Fatal(err) } }() defer controller.LeaveAll(containerID) err = ep1.Join(containerID, libnetwork.JoinOptionHostname("test1"), libnetwork.JoinOptionDomainname("docker.io"), libnetwork.JoinOptionExtraHost("web", "192.168.0.1")) runtime.LockOSThread() if err != nil { t.Fatal(err) } defer func() { err = ep1.Leave(containerID) runtime.LockOSThread() if err != nil { t.Fatal(err) } }() ep2, err := n.CreateEndpoint("ep2") if err != nil { t.Fatal(err) } defer func() { if err := ep2.Delete(); err != nil { t.Fatal(err) } }() defer controller.LeaveAll("container2") 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")) runtime.LockOSThread() if err != nil { t.Fatal(err) } err = ep2.Leave("container2") runtime.LockOSThread() if err != nil { t.Fatal(err) } }
func TestHost(t *testing.T) { network, err := createTestNetwork("host", "testhost", options.Generic{}) if err != nil { t.Fatal(err) } ep1, err := network.CreateEndpoint("testep1") if err != nil { t.Fatal(err) } err = ep1.Join("host_container1", libnetwork.JoinOptionHostname("test1"), libnetwork.JoinOptionDomainname("docker.io"), libnetwork.JoinOptionExtraHost("web", "192.168.0.1"), libnetwork.JoinOptionUseDefaultSandbox()) if err != nil { t.Fatal(err) } ep2, err := network.CreateEndpoint("testep2") if err != nil { t.Fatal(err) } err = ep2.Join("host_container2", libnetwork.JoinOptionHostname("test2"), libnetwork.JoinOptionDomainname("docker.io"), libnetwork.JoinOptionExtraHost("web", "192.168.0.1"), libnetwork.JoinOptionUseDefaultSandbox()) if err != nil { t.Fatal(err) } err = ep1.Leave("host_container1") if err != nil { t.Fatal(err) } err = ep2.Leave("host_container2") if err != nil { t.Fatal(err) } if err := ep1.Delete(); err != nil { t.Fatal(err) } if err := ep2.Delete(); err != nil { t.Fatal(err) } // Try to create another host endpoint and join/leave that. ep3, err := network.CreateEndpoint("testep3") if err != nil { t.Fatal(err) } err = ep3.Join("host_container3", libnetwork.JoinOptionHostname("test3"), libnetwork.JoinOptionDomainname("docker.io"), libnetwork.JoinOptionExtraHost("web", "192.168.0.1"), libnetwork.JoinOptionUseDefaultSandbox()) if err != nil { t.Fatal(err) } err = ep3.Leave("host_container3") if err != nil { t.Fatal(err) } if err := ep3.Delete(); err != nil { t.Fatal(err) } // host type is special network. Cannot be removed. err = network.Delete() if err == nil { t.Fatal(err) } if _, ok := err.(types.ForbiddenError); !ok { t.Fatalf("Unexpected error type") } }