func (ep *endpoint) UnmarshalJSON(b []byte) error {
var (
err error
epMap map[string]interface{}
)
if err = json.Unmarshal(b, &epMap); err != nil {
return fmt.Errorf("Failed to unmarshal to macvlan endpoint: %v", err)
}
if v, ok := epMap["MacAddress"]; ok {
if ep.mac, err = net.ParseMAC(v.(string)); err != nil {
return types.InternalErrorf("failed to decode macvlan endpoint MAC address (%s) after json unmarshal: %v", v.(string), err)
}
}
if v, ok := epMap["Addr"]; ok {
if ep.addr, err = types.ParseCIDR(v.(string)); err != nil {
return types.InternalErrorf("failed to decode macvlan endpoint IPv4 address (%s) after json unmarshal: %v", v.(string), err)
}
}
if v, ok := epMap["Addrv6"]; ok {
if ep.addrv6, err = types.ParseCIDR(v.(string)); err != nil {
return types.InternalErrorf("failed to decode macvlan endpoint IPv6 address (%s) after json unmarshal: %v", v.(string), err)
}
}
ep.id = epMap["id"].(string)
ep.nid = epMap["nid"].(string)
ep.srcName = epMap["SrcName"].(string)
return nil
}
func (ncfg *networkConfiguration) UnmarshalJSON(b []byte) error {
var (
err error
nMap map[string]interface{}
)
if err = json.Unmarshal(b, &nMap); err != nil {
return err
}
if v, ok := nMap["AddressIPv4"]; ok {
if ncfg.AddressIPv4, err = types.ParseCIDR(v.(string)); err != nil {
return types.InternalErrorf("failed to decode bridge network address IPv4 after json unmarshal: %s", v.(string))
}
}
if v, ok := nMap["AddressIPv6"]; ok {
if ncfg.AddressIPv6, err = types.ParseCIDR(v.(string)); err != nil {
return types.InternalErrorf("failed to decode bridge network address IPv6 after json unmarshal: %s", v.(string))
}
}
ncfg.DefaultBindingIP = net.ParseIP(nMap["DefaultBindingIP"].(string))
ncfg.DefaultGatewayIPv4 = net.ParseIP(nMap["DefaultGatewayIPv4"].(string))
ncfg.DefaultGatewayIPv6 = net.ParseIP(nMap["DefaultGatewayIPv6"].(string))
ncfg.ID = nMap["ID"].(string)
ncfg.BridgeName = nMap["BridgeName"].(string)
ncfg.EnableIPv6 = nMap["EnableIPv6"].(bool)
ncfg.EnableIPMasquerade = nMap["EnableIPMasquerade"].(bool)
ncfg.EnableICC = nMap["EnableICC"].(bool)
ncfg.Mtu = int(nMap["Mtu"].(float64))
return nil
}
// parseInterfaces validates all the parameters of an Interface and returns them.
func parseInterface(r api.CreateEndpointResponse) (*api.Interface, error) {
var outIf *api.Interface
inIf := r.Interface
if inIf != nil {
var err error
outIf = &api.Interface{}
if inIf.Address != "" {
if outIf.Address, err = types.ParseCIDR(inIf.Address); err != nil {
return nil, err
}
}
if inIf.AddressIPv6 != "" {
if outIf.AddressIPv6, err = types.ParseCIDR(inIf.AddressIPv6); err != nil {
return nil, err
}
}
if inIf.MacAddress != "" {
if outIf.MacAddress, err = net.ParseMAC(inIf.MacAddress); err != nil {
return nil, err
}
}
}
return outIf, nil
}
func (n *network) SetValue(value []byte) error {
var (
overlayNetmap map[string]interface{}
err error
)
err = json.Unmarshal(value, &overlayNetmap)
if err != nil {
return err
}
subnetIPstr := overlayNetmap["subnetIP"].(string)
gwIPstr := overlayNetmap["gwIP"].(string)
vni := uint32(overlayNetmap["vni"].(float64))
subnetIP, _ := types.ParseCIDR(subnetIPstr)
gwIP, _ := types.ParseCIDR(gwIPstr)
s := &subnet{
subnetIP: subnetIP,
gwIP: gwIP,
vni: vni,
once: &sync.Once{},
}
n.subnets = append(n.subnets, s)
sNet := n.getMatchingSubnet(subnetIP)
if sNet != nil {
sNet.vni = vni
}
return nil
}
// UnmarshalJSON decodes a json message into IPAMData
func (i *IPAMData) UnmarshalJSON(data []byte) error {
var (
m map[string]interface{}
err error
)
if err := json.Unmarshal(data, &m); err != nil {
return err
}
i.AddressSpace = m["AddressSpace"].(string)
if v, ok := m["Pool"]; ok {
if i.Pool, err = types.ParseCIDR(v.(string)); err != nil {
return err
}
}
if v, ok := m["Gateway"]; ok {
if i.Gateway, err = types.ParseCIDR(v.(string)); err != nil {
return err
}
}
if v, ok := m["AuxAddresses"]; ok {
b, _ := json.Marshal(v)
var am map[string]string
if err = json.Unmarshal(b, &am); err != nil {
return err
}
i.AuxAddresses = make(map[string]*net.IPNet, len(am))
for k, v := range am {
if i.AuxAddresses[k], err = types.ParseCIDR(v); err != nil {
return err
}
}
}
return nil
}
func (n *network) SetValue(value []byte) error {
var (
m map[string]interface{}
newNet bool
isMap = true
netJSON = []*subnetJSON{}
)
if err := json.Unmarshal(value, &m); err != nil {
err := json.Unmarshal(value, &netJSON)
if err != nil {
return err
}
isMap = false
}
if len(n.subnets) == 0 {
newNet = true
}
if isMap {
if val, ok := m["secure"]; ok {
n.secure = val.(bool)
}
bytes, err := json.Marshal(m["subnets"])
if err != nil {
return err
}
if err := json.Unmarshal(bytes, &netJSON); err != nil {
return err
}
}
for _, sj := range netJSON {
subnetIPstr := sj.SubnetIP
gwIPstr := sj.GwIP
vni := sj.Vni
subnetIP, _ := types.ParseCIDR(subnetIPstr)
gwIP, _ := types.ParseCIDR(gwIPstr)
if newNet {
s := &subnet{
subnetIP: subnetIP,
gwIP: gwIP,
vni: vni,
once: &sync.Once{},
}
n.subnets = append(n.subnets, s)
} else {
sNet := n.getMatchingSubnet(subnetIP)
if sNet != nil {
sNet.vni = vni
}
}
}
return nil
}
func (epi *endpointInterface) UnmarshalJSON(b []byte) error {
var (
err error
epMap map[string]interface{}
)
if err = json.Unmarshal(b, &epMap); err != nil {
return err
}
if v, ok := epMap["mac"]; ok {
if epi.mac, err = net.ParseMAC(v.(string)); err != nil {
return types.InternalErrorf("failed to decode endpoint interface mac address after json unmarshal: %s", v.(string))
}
}
if v, ok := epMap["addr"]; ok {
if epi.addr, err = types.ParseCIDR(v.(string)); err != nil {
return types.InternalErrorf("failed to decode endpoint interface ipv4 address after json unmarshal: %v", err)
}
}
if v, ok := epMap["addrv6"]; ok {
if epi.addrv6, err = types.ParseCIDR(v.(string)); err != nil {
return types.InternalErrorf("failed to decode endpoint interface ipv6 address after json unmarshal: %v", err)
}
}
epi.srcName = epMap["srcName"].(string)
epi.dstPrefix = epMap["dstPrefix"].(string)
rb, _ := json.Marshal(epMap["routes"])
var routes []string
json.Unmarshal(rb, &routes)
epi.routes = make([]*net.IPNet, 0)
for _, route := range routes {
ip, ipr, err := net.ParseCIDR(route)
if err == nil {
ipr.IP = ip
epi.routes = append(epi.routes, ipr)
}
}
epi.v4PoolID = epMap["v4PoolID"].(string)
epi.v6PoolID = epMap["v6PoolID"].(string)
al, _ := json.Marshal(epMap["ipAliases"]) // TODO check
var aliases []string
json.Unmarshal(al, &aliases)
epi.ipAliases = make([]*net.IPNet, 0)
for _, alias := range aliases {
ip, err := types.ParseCIDR(alias)
if err == nil {
epi.ipAliases = append(epi.ipAliases, ip)
} else {
// TODO log error
}
}
return nil
}
func TestCreateFullOptions(t *testing.T) {
defer testutils.SetupTestOSContext(t)()
d := newDriver()
config := &configuration{
EnableIPForwarding: true,
EnableIPTables: true,
}
// Test this scenario: Default gw address does not belong to
// container network and it's greater than bridge address
cnw, _ := types.ParseCIDR("172.16.122.0/24")
bnw, _ := types.ParseCIDR("172.16.0.0/24")
br, _ := types.ParseCIDR("172.16.0.1/16")
defgw, _ := types.ParseCIDR("172.16.0.100/16")
netConfig := &networkConfiguration{
BridgeName: DefaultBridgeName,
EnableIPv6: true,
}
genericOption := make(map[string]interface{})
genericOption[netlabel.GenericData] = config
if err := d.configure(genericOption); err != nil {
t.Fatalf("Failed to setup driver config: %v", err)
}
netOption := make(map[string]interface{})
netOption[netlabel.GenericData] = netConfig
ipdList := []driverapi.IPAMData{
driverapi.IPAMData{
Pool: bnw,
Gateway: br,
AuxAddresses: map[string]*net.IPNet{DefaultGatewayV4AuxKey: defgw},
},
}
err := d.CreateNetwork("dummy", netOption, ipdList, nil)
if err != nil {
t.Fatalf("Failed to create bridge: %v", err)
}
// Verify the IP address allocated for the endpoint belongs to the container network
epOptions := make(map[string]interface{})
te := newTestEndpoint(cnw, 10)
err = d.CreateEndpoint("dummy", "ep1", te.Interface(), epOptions)
if err != nil {
t.Fatalf("Failed to create an endpoint : %s", err.Error())
}
if !cnw.Contains(te.Interface().Address().IP) {
t.Fatalf("endpoint got assigned address outside of container network(%s): %s", cnw.String(), te.Interface().Address())
}
}
func (epi *endpointInterface) UnmarshalJSON(b []byte) error {
var (
err error
epMap map[string]interface{}
)
if err = json.Unmarshal(b, &epMap); err != nil {
return err
}
if v, ok := epMap["mac"]; ok {
if epi.mac, err = net.ParseMAC(v.(string)); err != nil {
return types.InternalErrorf("failed to decode endpoint interface mac address after json unmarshal: %s", v.(string))
}
}
if v, ok := epMap["addr"]; ok {
if epi.addr, err = types.ParseCIDR(v.(string)); err != nil {
return types.InternalErrorf("failed to decode endpoint interface ipv4 address after json unmarshal: %v", err)
}
}
if v, ok := epMap["addrv6"]; ok {
if epi.addrv6, err = types.ParseCIDR(v.(string)); err != nil {
return types.InternalErrorf("failed to decode endpoint interface ipv6 address after json unmarshal: %v", err)
}
}
if v, ok := epMap["llAddrs"]; ok {
list := v.([]interface{})
epi.llAddrs = make([]*net.IPNet, 0, len(list))
for _, llS := range list {
ll, err := types.ParseCIDR(llS.(string))
if err != nil {
return types.InternalErrorf("failed to decode endpoint interface link-local address (%v) after json unmarshal: %v", llS, err)
}
epi.llAddrs = append(epi.llAddrs, ll)
}
}
epi.srcName = epMap["srcName"].(string)
epi.dstPrefix = epMap["dstPrefix"].(string)
rb, _ := json.Marshal(epMap["routes"])
var routes []string
json.Unmarshal(rb, &routes)
epi.routes = make([]*net.IPNet, 0)
for _, route := range routes {
ip, ipr, err := net.ParseCIDR(route)
if err == nil {
ipr.IP = ip
epi.routes = append(epi.routes, ipr)
}
}
epi.v4PoolID = epMap["v4PoolID"].(string)
epi.v6PoolID = epMap["v6PoolID"].(string)
return nil
}
// UnmarshalJSON decodes data into the PoolData object
func (p *PoolData) UnmarshalJSON(data []byte) error {
var (
err error
t struct {
ParentKey SubnetKey
Pool string
Range *AddressRange `json:",omitempty"`
RefCount int
}
)
if err = json.Unmarshal(data, &t); err != nil {
return err
}
p.ParentKey = t.ParentKey
p.Range = t.Range
p.RefCount = t.RefCount
if t.Pool != "" {
if p.Pool, err = types.ParseCIDR(t.Pool); err != nil {
return err
}
}
return nil
}
func (test *testEndpoint) AddressIPv6() *net.IPNet {
if test.addressIPv6 == "" {
return nil
}
nw, _ := types.ParseCIDR(test.addressIPv6)
return nw
}
func (ep *endpoint) UnmarshalJSON(value []byte) error {
var (
err error
epMap map[string]interface{}
)
json.Unmarshal(value, &epMap)
ep.id = epMap["id"].(string)
ep.nid = epMap["nid"].(string)
if v, ok := epMap["mac"]; ok {
if ep.mac, err = net.ParseMAC(v.(string)); err != nil {
return types.InternalErrorf("failed to decode endpoint interface mac address after json unmarshal: %s", v.(string))
}
}
if v, ok := epMap["addr"]; ok {
if ep.addr, err = types.ParseCIDR(v.(string)); err != nil {
return types.InternalErrorf("failed to decode endpoint interface ipv4 address after json unmarshal: %v", err)
}
}
if v, ok := epMap["ifName"]; ok {
ep.ifName = v.(string)
}
return nil
}
func createInterface(t *testing.T, name string, nws ...string) {
// Add interface
link := &netlink.Bridge{
LinkAttrs: netlink.LinkAttrs{
Name: "test",
},
}
bips := []*net.IPNet{}
for _, nw := range nws {
bip, err := types.ParseCIDR(nw)
if err != nil {
t.Fatal(err)
}
bips = append(bips, bip)
}
if err := netlink.LinkAdd(link); err != nil {
t.Fatalf("Failed to create interface via netlink: %v", err)
}
for _, bip := range bips {
if err := netlink.AddrAdd(link, &netlink.Addr{IPNet: bip}); err != nil {
t.Fatal(err)
}
}
if err := netlink.LinkSetUp(link); err != nil {
t.Fatal(err)
}
}
func TestIpamReleaseOnNetDriverFailures(t *testing.T) {
if !testutils.IsRunningInContainer() {
defer testutils.SetupTestOSContext(t)()
}
cfgOptions, err := OptionBoltdbWithRandomDBFile()
c, err := New(cfgOptions...)
if err != nil {
t.Fatal(err)
}
defer c.Stop()
cc := c.(*controller)
bd := badDriver{failNetworkCreation: true}
cc.drivers[badDriverName] = &driverData{driver: &bd, capability: driverapi.Capability{DataScope: datastore.LocalScope}}
// Test whether ipam state release is invoked on network create failure from net driver
// by checking whether subsequent network creation requesting same gateway IP succeeds
ipamOpt := NetworkOptionIpam(ipamapi.DefaultIPAM, "", []*IpamConf{&IpamConf{PreferredPool: "10.34.0.0/16", Gateway: "10.34.255.254"}}, nil)
if _, err := c.NewNetwork(badDriverName, "badnet1", ipamOpt); err == nil {
t.Fatalf("bad network driver should have failed network creation")
}
gnw, err := c.NewNetwork("bridge", "goodnet1", ipamOpt)
if err != nil {
t.Fatal(err)
}
gnw.Delete()
// Now check whether ipam release works on endpoint creation failure
bd.failNetworkCreation = false
bnw, err := c.NewNetwork(badDriverName, "badnet2", ipamOpt)
if err != nil {
t.Fatal(err)
}
defer bnw.Delete()
if _, err := bnw.CreateEndpoint("ep0"); err == nil {
t.Fatalf("bad network driver should have failed endpoint creation")
}
// Now create good bridge network with different gateway
ipamOpt2 := NetworkOptionIpam(ipamapi.DefaultIPAM, "", []*IpamConf{&IpamConf{PreferredPool: "10.34.0.0/16", Gateway: "10.34.255.253"}}, nil)
gnw, err = c.NewNetwork("bridge", "goodnet2", ipamOpt2)
if err != nil {
t.Fatal(err)
}
defer gnw.Delete()
ep, err := gnw.CreateEndpoint("ep1")
if err != nil {
t.Fatal(err)
}
defer ep.Delete()
expectedIP, _ := types.ParseCIDR("10.34.0.1/16")
if !types.CompareIPNet(ep.Info().Iface().Address(), expectedIP) {
t.Fatalf("Ipam release must have failed, endpoint has unexpected address: %v", ep.Info().Iface().Address())
}
}
func (ep *bridgeEndpoint) UnmarshalJSON(b []byte) error {
var (
err error
epMap map[string]interface{}
)
if err = json.Unmarshal(b, &epMap); err != nil {
return fmt.Errorf("Failed to unmarshal to bridge endpoint: %v", err)
}
if v, ok := epMap["MacAddress"]; ok {
if ep.macAddress, err = net.ParseMAC(v.(string)); err != nil {
return types.InternalErrorf("failed to decode bridge endpoint MAC address (%s) after json unmarshal: %v", v.(string), err)
}
}
if v, ok := epMap["Addr"]; ok {
if ep.addr, err = types.ParseCIDR(v.(string)); err != nil {
return types.InternalErrorf("failed to decode bridge endpoint IPv4 address (%s) after json unmarshal: %v", v.(string), err)
}
}
if v, ok := epMap["Addrv6"]; ok {
if ep.addrv6, err = types.ParseCIDR(v.(string)); err != nil {
return types.InternalErrorf("failed to decode bridge endpoint IPv6 address (%s) after json unmarshal: %v", v.(string), err)
}
}
ep.id = epMap["id"].(string)
ep.nid = epMap["nid"].(string)
ep.srcName = epMap["SrcName"].(string)
d, _ := json.Marshal(epMap["Config"])
if err := json.Unmarshal(d, &ep.config); err != nil {
logrus.Warnf("Failed to decode endpoint config %v", err)
}
d, _ = json.Marshal(epMap["ContainerConfig"])
if err := json.Unmarshal(d, &ep.containerConfig); err != nil {
logrus.Warnf("Failed to decode endpoint container config %v", err)
}
d, _ = json.Marshal(epMap["ExternalConnConfig"])
if err := json.Unmarshal(d, &ep.extConnConfig); err != nil {
logrus.Warnf("Failed to decode endpoint external connectivity configuration %v", err)
}
d, _ = json.Marshal(epMap["PortMapping"])
if err := json.Unmarshal(d, &ep.portMapping); err != nil {
logrus.Warnf("Failed to decode endpoint port mapping %v", err)
}
return nil
}
func init() {
// We allow ourselves to panic in this special case because we indicate a
// failure to parse a compile-time define constant.
var err error
if bridgeIPv6, err = types.ParseCIDR(bridgeIPv6Str); err != nil {
panic(fmt.Sprintf("Cannot parse default bridge IPv6 address %q: %v", bridgeIPv6Str, err))
}
}
// RequestPool requests an address pool in the specified address space
func (a *allocator) RequestPool(addressSpace, pool, subPool string, options map[string]string, v6 bool) (string, *net.IPNet, map[string]string, error) {
req := &api.RequestPoolRequest{AddressSpace: addressSpace, Pool: pool, SubPool: subPool, Options: options, V6: v6}
res := &api.RequestPoolResponse{}
if err := a.call("RequestPool", req, res); err != nil {
return "", nil, nil, err
}
retPool, err := types.ParseCIDR(res.Pool)
return res.PoolID, retPool, res.Data, err
}
func testNetwork(networkType string, t *testing.T) {
d := newDriver(networkType)
bnw, _ := types.ParseCIDR("172.16.0.0/24")
br, _ := types.ParseCIDR("172.16.0.1/16")
netOption := make(map[string]interface{})
networkOptions := map[string]string{
NetworkName: "TestNetwork",
}
netOption[netlabel.GenericData] = networkOptions
ipdList := []driverapi.IPAMData{
{
Pool: bnw,
Gateway: br,
},
}
err := d.CreateNetwork("dummy", netOption, ipdList, nil)
if err != nil {
t.Fatalf("Failed to create bridge: %v", err)
}
defer func() {
err = d.DeleteNetwork("dummy")
if err != nil {
t.Fatalf("Failed to create bridge: %v", err)
}
}()
epOptions := make(map[string]interface{})
te := &testEndpoint{}
err = d.CreateEndpoint("dummy", "ep1", te.Interface(), epOptions)
if err != nil {
t.Fatalf("Failed to create an endpoint : %s", err.Error())
}
err = d.DeleteEndpoint("dummy", "ep1")
if err != nil {
t.Fatalf("Failed to delete an endpoint : %s", err.Error())
}
}
// RequestAddress requests an address from the address pool
func (a *allocator) RequestAddress(poolID string, address net.IP, options map[string]string) (*net.IPNet, map[string]string, error) {
var prefAddress string
if address != nil {
prefAddress = address.String()
}
req := &api.RequestAddressRequest{PoolID: poolID, Address: prefAddress, Options: options}
res := &api.RequestAddressResponse{}
if err := a.call("RequestAddress", req, res); err != nil {
return nil, nil, err
}
retAddress, err := types.ParseCIDR(res.Address)
return retAddress, res.Data, err
}
// UnmarshalJSON decodes data into the Range object
func (r *AddressRange) UnmarshalJSON(data []byte) error {
m := map[string]interface{}{}
err := json.Unmarshal(data, &m)
if err != nil {
return err
}
if r.Sub, err = types.ParseCIDR(m["Sub"].(string)); err != nil {
return err
}
r.Start = uint64(m["Start"].(float64))
r.End = uint64(m["End"].(float64))
return nil
}
func (n *network) SetValue(value []byte) error {
var newNet bool
netJSON := []*subnetJSON{}
err := json.Unmarshal(value, &netJSON)
if err != nil {
return err
}
if len(n.subnets) == 0 {
newNet = true
}
for _, sj := range netJSON {
subnetIPstr := sj.SubnetIP
gwIPstr := sj.GwIP
vni := sj.Vni
subnetIP, _ := types.ParseCIDR(subnetIPstr)
gwIP, _ := types.ParseCIDR(gwIPstr)
if newNet {
s := &subnet{
subnetIP: subnetIP,
gwIP: gwIP,
vni: vni,
once: &sync.Once{},
}
n.subnets = append(n.subnets, s)
} else {
sNet := n.getMatchingSubnet(subnetIP)
if sNet != nil {
sNet.vni = vni
}
}
}
return nil
}
func (d *driver) EventNotify(etype driverapi.EventType, nid, tableName, key string, value []byte) {
if tableName != ovPeerTable {
logrus.Errorf("Unexpected table notification for table %s received", tableName)
return
}
eid := key
var peer PeerRecord
if err := proto.Unmarshal(value, &peer); err != nil {
logrus.Errorf("Failed to unmarshal peer record: %v", err)
return
}
n := d.network(nid)
if n == nil {
return
}
// Ignore local peers. We already know about them and they
// should not be added to vxlan fdb.
if peer.TunnelEndpointIP == n.providerAddress {
return
}
addr, err := types.ParseCIDR(peer.EndpointIP)
if err != nil {
logrus.Errorf("Invalid peer IP %s received in event notify", peer.EndpointIP)
return
}
mac, err := net.ParseMAC(peer.EndpointMAC)
if err != nil {
logrus.Errorf("Invalid mac %s received in event notify", peer.EndpointMAC)
return
}
vtep := net.ParseIP(peer.TunnelEndpointIP)
if vtep == nil {
logrus.Errorf("Invalid VTEP %s received in event notify", peer.TunnelEndpointIP)
return
}
if etype == driverapi.Delete {
d.peerDelete(nid, eid, addr.IP, addr.Mask, mac, vtep, true)
return
}
d.peerAdd(nid, eid, addr.IP, addr.Mask, mac, vtep, true)
}
func TestEndpointMarshalling(t *testing.T) {
ip, nw6, err := net.ParseCIDR("2001:db8:4003::122/64")
if err != nil {
t.Fatal(err)
}
nw6.IP = ip
var lla []*net.IPNet
for _, nw := range []string{"169.254.0.1/16", "169.254.1.1/16", "169.254.2.2/16"} {
ll, _ := types.ParseCIDR(nw)
lla = append(lla, ll)
}
e := &endpoint{
name: "Bau",
id: "efghijklmno",
sandboxID: "ambarabaciccicocco",
anonymous: true,
iface: &endpointInterface{
mac: []byte{11, 12, 13, 14, 15, 16},
addr: &net.IPNet{
IP: net.IP{10, 0, 1, 23},
Mask: net.IPMask{255, 255, 255, 0},
},
addrv6: nw6,
srcName: "veth12ab1314",
dstPrefix: "eth",
v4PoolID: "poolpool",
v6PoolID: "poolv6",
llAddrs: lla,
},
}
b, err := json.Marshal(e)
if err != nil {
t.Fatal(err)
}
ee := &endpoint{}
err = json.Unmarshal(b, ee)
if err != nil {
t.Fatal(err)
}
if e.name != ee.name || e.id != ee.id || e.sandboxID != ee.sandboxID || !compareEndpointInterface(e.iface, ee.iface) || e.anonymous != ee.anonymous {
t.Fatalf("JSON marsh/unmarsh failed.\nOriginal:\n%#v\nDecoded:\n%#v\nOriginal iface: %#v\nDecodediface:\n%#v", e, ee, e.iface, ee.iface)
}
}
func TestUnknownEndpoint(t *testing.T) {
if !testutils.IsRunningInContainer() {
defer testutils.SetupTestOSContext(t)()
}
subnet, err := types.ParseCIDR("192.168.100.1/24")
if err != nil {
t.Fatal(err)
}
netOption := options.Generic{
"BridgeName": "testnetwork",
"AddressIPv4": subnet,
}
option := options.Generic{
netlabel.GenericData: netOption,
}
network, err := createTestNetwork(bridgeNetType, "testnetwork", option)
if err != nil {
t.Fatal(err)
}
_, err = network.CreateEndpoint("")
if err == nil {
t.Fatal("Expected to fail. But instead succeeded")
}
if _, ok := err.(libnetwork.ErrInvalidName); !ok {
t.Fatalf("Expected to fail with ErrInvalidName error. Actual error: %v", err)
}
ep, err := network.CreateEndpoint("testep")
if err != nil {
t.Fatal(err)
}
err = ep.Delete()
if err != nil {
t.Fatal(err)
}
// Done testing. Now cleanup
if err := network.Delete(); err != nil {
t.Fatal(err)
}
}
func TestDisableIPv6DAD(t *testing.T) {
if testutils.RunningOnCircleCI() {
t.Skipf("Skipping as not supported on CIRCLE CI kernel")
}
defer testutils.SetupTestOSContext(t)()
ipv6, _ := types.ParseCIDR("2001:db8::44/64")
iface := &nwIface{addressIPv6: ipv6}
veth := &netlink.Veth{
LinkAttrs: netlink.LinkAttrs{Name: "sideA"},
PeerName: "sideB",
}
nlh, err := netlink.NewHandle(syscall.NETLINK_ROUTE)
if err != nil {
t.Fatal(err)
}
err = nlh.LinkAdd(veth)
if err != nil {
t.Fatal(err)
}
link, err := nlh.LinkByName("sideA")
if err != nil {
t.Fatal(err)
}
err = setInterfaceIPv6(nlh, link, iface)
if err != nil {
t.Fatal(err)
}
addrList, err := nlh.AddrList(link, nl.FAMILY_V6)
if err != nil {
t.Fatal(err)
}
if addrList[0].Flags&syscall.IFA_F_NODAD == 0 {
t.Fatalf("Unexpected interface flags: 0x%x. Expected to contain 0x%x", addrList[0].Flags, syscall.IFA_F_NODAD)
}
}
func createInterface(t *testing.T, name, nw string) {
// Add interface
link := &netlink.Bridge{
LinkAttrs: netlink.LinkAttrs{
Name: "test",
},
}
bip, err := types.ParseCIDR(nw)
if err != nil {
t.Fatal(err)
}
if err = netlink.LinkAdd(link); err != nil {
t.Fatalf("Failed to create interface via netlink: %v", err)
}
if err := netlink.AddrAdd(link, &netlink.Addr{IPNet: bip}); err != nil {
t.Fatal(err)
}
if err = netlink.LinkSetUp(link); err != nil {
t.Fatal(err)
}
}
func (d *driver) EventNotify(etype driverapi.EventType, nid, tableName, key string, value []byte) {
if tableName != ovPeerTable {
log.Errorf("Unexpected table notification for table %s received", tableName)
return
}
eid := key
values := strings.Split(string(value), ",")
if len(values) < 3 {
log.Errorf("Invalid value %s received through event notify", string(value))
return
}
addr, err := types.ParseCIDR(values[0])
if err != nil {
log.Errorf("Invalid peer IP %s received in event notify", values[0])
return
}
mac, err := net.ParseMAC(values[1])
if err != nil {
log.Errorf("Invalid mac %s received in event notify", values[1])
return
}
vtep := net.ParseIP(values[2])
if vtep == nil {
log.Errorf("Invalid VTEP %s received in event notify", values[2])
return
}
if etype == driverapi.Delete {
d.peerDelete(nid, eid, addr.IP, addr.Mask, mac, vtep, true)
return
}
d.peerAdd(nid, eid, addr.IP, addr.Mask, mac, vtep, true)
}
func parseStaticRoutes(r api.JoinResponse) ([]*types.StaticRoute, error) {
var routes = make([]*types.StaticRoute, len(r.StaticRoutes))
for i, inRoute := range r.StaticRoutes {
var err error
outRoute := &types.StaticRoute{RouteType: inRoute.RouteType}
if inRoute.Destination != "" {
if outRoute.Destination, err = types.ParseCIDR(inRoute.Destination); err != nil {
return nil, err
}
}
if inRoute.NextHop != "" {
outRoute.NextHop = net.ParseIP(inRoute.NextHop)
if outRoute.NextHop == nil {
return nil, fmt.Errorf("failed to parse nexthop IP %s", inRoute.NextHop)
}
}
routes[i] = outRoute
}
return routes, nil
}
"github.com/docker/libnetwork/discoverapi"
"github.com/docker/libnetwork/ipamapi"
"github.com/docker/libnetwork/netlabel"
"github.com/docker/libnetwork/types"
)
const (
localAddressSpace = "LocalDefault"
globalAddressSpace = "GlobalDefault"
)
// DefaultIPAM defines the default ipam-driver for local-scoped windows networks
const DefaultIPAM = "windows"
var (
defaultPool, _ = types.ParseCIDR("0.0.0.0/0")
)
type allocator struct {
}
// GetInit registers the built-in ipam service with libnetwork
func GetInit(ipamName string) func(ic ipamapi.Callback, l, g interface{}) error {
return func(ic ipamapi.Callback, l, g interface{}) error {
return ic.RegisterIpamDriver(ipamName, &allocator{})
}
}
func (a *allocator) GetDefaultAddressSpaces() (string, string, error) {
return localAddressSpace, globalAddressSpace, nil
}
func (n *network) ipamAllocateVersion(ipVer int, ipam ipamapi.Ipam) error {
var (
cfgList *[]*IpamConf
infoList *[]*IpamInfo
err error
)
switch ipVer {
case 4:
cfgList = &n.ipamV4Config
infoList = &n.ipamV4Info
case 6:
cfgList = &n.ipamV6Config
infoList = &n.ipamV6Info
default:
return types.InternalErrorf("incorrect ip version passed to ipam allocate: %d", ipVer)
}
if len(*cfgList) == 0 {
if ipVer == 6 {
return nil
}
*cfgList = []*IpamConf{{}}
}
*infoList = make([]*IpamInfo, len(*cfgList))
log.Debugf("Allocating IPv%d pools for network %s (%s)", ipVer, n.Name(), n.ID())
for i, cfg := range *cfgList {
if err = cfg.Validate(); err != nil {
return err
}
d := &IpamInfo{}
(*infoList)[i] = d
d.AddressSpace = n.addrSpace
d.PoolID, d.Pool, d.Meta, err = n.requestPoolHelper(ipam, n.addrSpace, cfg.PreferredPool, cfg.SubPool, n.ipamOptions, ipVer == 6)
if err != nil {
return err
}
defer func() {
if err != nil {
if err := ipam.ReleasePool(d.PoolID); err != nil {
log.Warnf("Failed to release address pool %s after failure to create network %s (%s)", d.PoolID, n.Name(), n.ID())
}
}
}()
if gws, ok := d.Meta[netlabel.Gateway]; ok {
if d.Gateway, err = types.ParseCIDR(gws); err != nil {
return types.BadRequestErrorf("failed to parse gateway address (%v) returned by ipam driver: %v", gws, err)
}
}
// If user requested a specific gateway, libnetwork will allocate it
// irrespective of whether ipam driver returned a gateway already.
// If none of the above is true, libnetwork will allocate one.
if cfg.Gateway != "" || d.Gateway == nil {
var gatewayOpts = map[string]string{
ipamapi.RequestAddressType: netlabel.Gateway,
}
if d.Gateway, _, err = ipam.RequestAddress(d.PoolID, net.ParseIP(cfg.Gateway), gatewayOpts); err != nil {
return types.InternalErrorf("failed to allocate gateway (%v): %v", cfg.Gateway, err)
}
}
// Auxiliary addresses must be part of the master address pool
// If they fall into the container addressable pool, libnetwork will reserve them
if cfg.AuxAddresses != nil {
var ip net.IP
d.IPAMData.AuxAddresses = make(map[string]*net.IPNet, len(cfg.AuxAddresses))
for k, v := range cfg.AuxAddresses {
if ip = net.ParseIP(v); ip == nil {
return types.BadRequestErrorf("non parsable secondary ip address (%s:%s) passed for network %s", k, v, n.Name())
}
if !d.Pool.Contains(ip) {
return types.ForbiddenErrorf("auxilairy address: (%s:%s) must belong to the master pool: %s", k, v, d.Pool)
}
// Attempt reservation in the container addressable pool, silent the error if address does not belong to that pool
if d.IPAMData.AuxAddresses[k], _, err = ipam.RequestAddress(d.PoolID, ip, nil); err != nil && err != ipamapi.ErrIPOutOfRange {
return types.InternalErrorf("failed to allocate secondary ip address (%s:%s): %v", k, v, err)
}
}
}
}
return nil
}