| // +build !windows |
| |
| package main |
| |
| import ( |
| "strings" |
| "time" |
| |
| "github.com/docker/docker/integration-cli/checker" |
| "github.com/docker/docker/integration-cli/cli" |
| "github.com/docker/docker/pkg/parsers/kernel" |
| "github.com/go-check/check" |
| "github.com/gotestyourself/gotestyourself/icmd" |
| ) |
| |
| // ensure Kernel version is >= v3.9 for macvlan support |
| func macvlanKernelSupport() bool { |
| return checkKernelMajorVersionGreaterOrEqualThen(3, 9) |
| } |
| |
| // ensure Kernel version is >= v4.2 for ipvlan support |
| func ipvlanKernelSupport() bool { |
| return checkKernelMajorVersionGreaterOrEqualThen(4, 2) |
| } |
| |
| func checkKernelMajorVersionGreaterOrEqualThen(kernelVersion int, majorVersion int) bool { |
| kv, err := kernel.GetKernelVersion() |
| if err != nil { |
| return false |
| } |
| if kv.Kernel < kernelVersion || (kv.Kernel == kernelVersion && kv.Major < majorVersion) { |
| return false |
| } |
| return true |
| } |
| |
| func (s *DockerNetworkSuite) TestDockerNetworkMacvlanPersistance(c *check.C) { |
| // verify the driver automatically provisions the 802.1q link (dm-dummy0.60) |
| testRequires(c, DaemonIsLinux, macvlanKernelSupport, NotUserNamespace, NotArm, ExperimentalDaemon) |
| |
| // master dummy interface 'dm' abbreviation represents 'docker macvlan' |
| master := "dm-dummy0" |
| // simulate the master link the vlan tagged subinterface parent link will use |
| createMasterDummy(c, master) |
| // create a network specifying the desired sub-interface name |
| dockerCmd(c, "network", "create", "--driver=macvlan", "-o", "parent=dm-dummy0.60", "dm-persist") |
| assertNwIsAvailable(c, "dm-persist") |
| // Restart docker daemon to test the config has persisted to disk |
| s.d.Restart(c) |
| // verify network is recreated from persistence |
| assertNwIsAvailable(c, "dm-persist") |
| // cleanup the master interface that also collects the slave dev |
| deleteInterface(c, "dm-dummy0") |
| } |
| |
| func (s *DockerNetworkSuite) TestDockerNetworkIpvlanPersistance(c *check.C) { |
| // verify the driver automatically provisions the 802.1q link (di-dummy0.70) |
| testRequires(c, DaemonIsLinux, ipvlanKernelSupport, NotUserNamespace, NotArm, ExperimentalDaemon) |
| // master dummy interface 'di' notation represent 'docker ipvlan' |
| master := "di-dummy0" |
| // simulate the master link the vlan tagged subinterface parent link will use |
| createMasterDummy(c, master) |
| // create a network specifying the desired sub-interface name |
| dockerCmd(c, "network", "create", "--driver=ipvlan", "-o", "parent=di-dummy0.70", "di-persist") |
| assertNwIsAvailable(c, "di-persist") |
| // Restart docker daemon to test the config has persisted to disk |
| s.d.Restart(c) |
| // verify network is recreated from persistence |
| assertNwIsAvailable(c, "di-persist") |
| // cleanup the master interface that also collects the slave dev |
| deleteInterface(c, "di-dummy0") |
| } |
| |
| func (s *DockerNetworkSuite) TestDockerNetworkMacvlanSubIntCreate(c *check.C) { |
| // verify the driver automatically provisions the 802.1q link (dm-dummy0.50) |
| testRequires(c, DaemonIsLinux, macvlanKernelSupport, NotUserNamespace, NotArm, ExperimentalDaemon) |
| // master dummy interface 'dm' abbreviation represents 'docker macvlan' |
| master := "dm-dummy0" |
| // simulate the master link the vlan tagged subinterface parent link will use |
| createMasterDummy(c, master) |
| // create a network specifying the desired sub-interface name |
| dockerCmd(c, "network", "create", "--driver=macvlan", "-o", "parent=dm-dummy0.50", "dm-subinterface") |
| assertNwIsAvailable(c, "dm-subinterface") |
| // cleanup the master interface which also collects the slave dev |
| deleteInterface(c, "dm-dummy0") |
| } |
| |
| func (s *DockerNetworkSuite) TestDockerNetworkIpvlanSubIntCreate(c *check.C) { |
| // verify the driver automatically provisions the 802.1q link (di-dummy0.50) |
| testRequires(c, DaemonIsLinux, ipvlanKernelSupport, NotUserNamespace, NotArm, ExperimentalDaemon) |
| // master dummy interface 'dm' abbreviation represents 'docker ipvlan' |
| master := "di-dummy0" |
| // simulate the master link the vlan tagged subinterface parent link will use |
| createMasterDummy(c, master) |
| // create a network specifying the desired sub-interface name |
| dockerCmd(c, "network", "create", "--driver=ipvlan", "-o", "parent=di-dummy0.60", "di-subinterface") |
| assertNwIsAvailable(c, "di-subinterface") |
| // cleanup the master interface which also collects the slave dev |
| deleteInterface(c, "di-dummy0") |
| } |
| |
| func (s *DockerNetworkSuite) TestDockerNetworkMacvlanOverlapParent(c *check.C) { |
| // verify the same parent interface cannot be used if already in use by an existing network |
| testRequires(c, DaemonIsLinux, macvlanKernelSupport, NotUserNamespace, NotArm, ExperimentalDaemon) |
| // master dummy interface 'dm' abbreviation represents 'docker macvlan' |
| master := "dm-dummy0" |
| createMasterDummy(c, master) |
| createVlanInterface(c, master, "dm-dummy0.40", "40") |
| // create a network using an existing parent interface |
| dockerCmd(c, "network", "create", "--driver=macvlan", "-o", "parent=dm-dummy0.40", "dm-subinterface") |
| assertNwIsAvailable(c, "dm-subinterface") |
| // attempt to create another network using the same parent iface that should fail |
| out, _, err := dockerCmdWithError("network", "create", "--driver=macvlan", "-o", "parent=dm-dummy0.40", "dm-parent-net-overlap") |
| // verify that the overlap returns an error |
| c.Assert(err, check.NotNil, check.Commentf(out)) |
| // cleanup the master interface which also collects the slave dev |
| deleteInterface(c, "dm-dummy0") |
| } |
| |
| func (s *DockerNetworkSuite) TestDockerNetworkIpvlanOverlapParent(c *check.C) { |
| // verify the same parent interface cannot be used if already in use by an existing network |
| testRequires(c, DaemonIsLinux, ipvlanKernelSupport, NotUserNamespace, NotArm, ExperimentalDaemon) |
| // master dummy interface 'dm' abbreviation represents 'docker ipvlan' |
| master := "di-dummy0" |
| createMasterDummy(c, master) |
| createVlanInterface(c, master, "di-dummy0.30", "30") |
| // create a network using an existing parent interface |
| dockerCmd(c, "network", "create", "--driver=ipvlan", "-o", "parent=di-dummy0.30", "di-subinterface") |
| assertNwIsAvailable(c, "di-subinterface") |
| // attempt to create another network using the same parent iface that should fail |
| out, _, err := dockerCmdWithError("network", "create", "--driver=ipvlan", "-o", "parent=di-dummy0.30", "di-parent-net-overlap") |
| // verify that the overlap returns an error |
| c.Assert(err, check.NotNil, check.Commentf(out)) |
| // cleanup the master interface which also collects the slave dev |
| deleteInterface(c, "di-dummy0") |
| } |
| |
| func (s *DockerNetworkSuite) TestDockerNetworkMacvlanMultiSubnet(c *check.C) { |
| // create a dual stack multi-subnet Macvlan bridge mode network and validate connectivity between four containers, two on each subnet |
| testRequires(c, DaemonIsLinux, IPv6, macvlanKernelSupport, NotUserNamespace, NotArm, ExperimentalDaemon) |
| dockerCmd(c, "network", "create", "--driver=macvlan", "--ipv6", "--subnet=172.28.100.0/24", "--subnet=172.28.102.0/24", "--gateway=172.28.102.254", |
| "--subnet=2001:db8:abc2::/64", "--subnet=2001:db8:abc4::/64", "--gateway=2001:db8:abc4::254", "dualstackbridge") |
| // Ensure the network was created |
| assertNwIsAvailable(c, "dualstackbridge") |
| // start dual stack containers and verify the user specified --ip and --ip6 addresses on subnets 172.28.100.0/24 and 2001:db8:abc2::/64 |
| dockerCmd(c, "run", "-d", "--net=dualstackbridge", "--name=first", "--ip", "172.28.100.20", "--ip6", "2001:db8:abc2::20", "busybox", "top") |
| dockerCmd(c, "run", "-d", "--net=dualstackbridge", "--name=second", "--ip", "172.28.100.21", "--ip6", "2001:db8:abc2::21", "busybox", "top") |
| |
| // Inspect and store the v4 address from specified container on the network dualstackbridge |
| ip := inspectField(c, "first", "NetworkSettings.Networks.dualstackbridge.IPAddress") |
| // Inspect and store the v6 address from specified container on the network dualstackbridge |
| ip6 := inspectField(c, "first", "NetworkSettings.Networks.dualstackbridge.GlobalIPv6Address") |
| |
| // verify ipv4 connectivity to the explicit --ipv address second to first |
| _, _, err := dockerCmdWithError("exec", "second", "ping", "-c", "1", strings.TrimSpace(ip)) |
| c.Assert(err, check.IsNil) |
| // verify ipv6 connectivity to the explicit --ipv6 address second to first |
| c.Skip("Temporarily skipping while investigating sporadic v6 CI issues") |
| _, _, err = dockerCmdWithError("exec", "second", "ping6", "-c", "1", strings.TrimSpace(ip6)) |
| c.Assert(err, check.IsNil) |
| |
| // start dual stack containers and verify the user specified --ip and --ip6 addresses on subnets 172.28.102.0/24 and 2001:db8:abc4::/64 |
| dockerCmd(c, "run", "-d", "--net=dualstackbridge", "--name=third", "--ip", "172.28.102.20", "--ip6", "2001:db8:abc4::20", "busybox", "top") |
| dockerCmd(c, "run", "-d", "--net=dualstackbridge", "--name=fourth", "--ip", "172.28.102.21", "--ip6", "2001:db8:abc4::21", "busybox", "top") |
| |
| // Inspect and store the v4 address from specified container on the network dualstackbridge |
| ip = inspectField(c, "third", "NetworkSettings.Networks.dualstackbridge.IPAddress") |
| // Inspect and store the v6 address from specified container on the network dualstackbridge |
| ip6 = inspectField(c, "third", "NetworkSettings.Networks.dualstackbridge.GlobalIPv6Address") |
| |
| // verify ipv4 connectivity to the explicit --ipv address from third to fourth |
| _, _, err = dockerCmdWithError("exec", "fourth", "ping", "-c", "1", strings.TrimSpace(ip)) |
| c.Assert(err, check.IsNil) |
| // verify ipv6 connectivity to the explicit --ipv6 address from third to fourth |
| _, _, err = dockerCmdWithError("exec", "fourth", "ping6", "-c", "1", strings.TrimSpace(ip6)) |
| c.Assert(err, check.IsNil) |
| |
| // Inspect the v4 gateway to ensure the proper default GW was assigned |
| ip4gw := inspectField(c, "first", "NetworkSettings.Networks.dualstackbridge.Gateway") |
| c.Assert(strings.TrimSpace(ip4gw), check.Equals, "172.28.100.1") |
| // Inspect the v6 gateway to ensure the proper default GW was assigned |
| ip6gw := inspectField(c, "first", "NetworkSettings.Networks.dualstackbridge.IPv6Gateway") |
| c.Assert(strings.TrimSpace(ip6gw), check.Equals, "2001:db8:abc2::1") |
| |
| // Inspect the v4 gateway to ensure the proper explicitly assigned default GW was assigned |
| ip4gw = inspectField(c, "third", "NetworkSettings.Networks.dualstackbridge.Gateway") |
| c.Assert(strings.TrimSpace(ip4gw), check.Equals, "172.28.102.254") |
| // Inspect the v6 gateway to ensure the proper explicitly assigned default GW was assigned |
| ip6gw = inspectField(c, "third", "NetworkSettings.Networks.dualstackbridge.IPv6Gateway") |
| c.Assert(strings.TrimSpace(ip6gw), check.Equals, "2001:db8:abc4::254") |
| } |
| |
| func (s *DockerNetworkSuite) TestDockerNetworkIpvlanL2MultiSubnet(c *check.C) { |
| // create a dual stack multi-subnet Ipvlan L2 network and validate connectivity within the subnets, two on each subnet |
| testRequires(c, DaemonIsLinux, IPv6, ipvlanKernelSupport, NotUserNamespace, NotArm, ExperimentalDaemon) |
| dockerCmd(c, "network", "create", "--driver=ipvlan", "--ipv6", "--subnet=172.28.200.0/24", "--subnet=172.28.202.0/24", "--gateway=172.28.202.254", |
| "--subnet=2001:db8:abc8::/64", "--subnet=2001:db8:abc6::/64", "--gateway=2001:db8:abc6::254", "dualstackl2") |
| // Ensure the network was created |
| assertNwIsAvailable(c, "dualstackl2") |
| // start dual stack containers and verify the user specified --ip and --ip6 addresses on subnets 172.28.200.0/24 and 2001:db8:abc8::/64 |
| dockerCmd(c, "run", "-d", "--net=dualstackl2", "--name=first", "--ip", "172.28.200.20", "--ip6", "2001:db8:abc8::20", "busybox", "top") |
| dockerCmd(c, "run", "-d", "--net=dualstackl2", "--name=second", "--ip", "172.28.200.21", "--ip6", "2001:db8:abc8::21", "busybox", "top") |
| |
| // Inspect and store the v4 address from specified container on the network dualstackl2 |
| ip := inspectField(c, "first", "NetworkSettings.Networks.dualstackl2.IPAddress") |
| // Inspect and store the v6 address from specified container on the network dualstackl2 |
| ip6 := inspectField(c, "first", "NetworkSettings.Networks.dualstackl2.GlobalIPv6Address") |
| |
| // verify ipv4 connectivity to the explicit --ipv address second to first |
| _, _, err := dockerCmdWithError("exec", "second", "ping", "-c", "1", strings.TrimSpace(ip)) |
| c.Assert(err, check.IsNil) |
| // verify ipv6 connectivity to the explicit --ipv6 address second to first |
| _, _, err = dockerCmdWithError("exec", "second", "ping6", "-c", "1", strings.TrimSpace(ip6)) |
| c.Assert(err, check.IsNil) |
| |
| // start dual stack containers and verify the user specified --ip and --ip6 addresses on subnets 172.28.202.0/24 and 2001:db8:abc6::/64 |
| dockerCmd(c, "run", "-d", "--net=dualstackl2", "--name=third", "--ip", "172.28.202.20", "--ip6", "2001:db8:abc6::20", "busybox", "top") |
| dockerCmd(c, "run", "-d", "--net=dualstackl2", "--name=fourth", "--ip", "172.28.202.21", "--ip6", "2001:db8:abc6::21", "busybox", "top") |
| |
| // Inspect and store the v4 address from specified container on the network dualstackl2 |
| ip = inspectField(c, "third", "NetworkSettings.Networks.dualstackl2.IPAddress") |
| // Inspect and store the v6 address from specified container on the network dualstackl2 |
| ip6 = inspectField(c, "third", "NetworkSettings.Networks.dualstackl2.GlobalIPv6Address") |
| |
| // verify ipv4 connectivity to the explicit --ipv address from third to fourth |
| _, _, err = dockerCmdWithError("exec", "fourth", "ping", "-c", "1", strings.TrimSpace(ip)) |
| c.Assert(err, check.IsNil) |
| // verify ipv6 connectivity to the explicit --ipv6 address from third to fourth |
| _, _, err = dockerCmdWithError("exec", "fourth", "ping6", "-c", "1", strings.TrimSpace(ip6)) |
| c.Assert(err, check.IsNil) |
| |
| // Inspect the v4 gateway to ensure the proper default GW was assigned |
| ip4gw := inspectField(c, "first", "NetworkSettings.Networks.dualstackl2.Gateway") |
| c.Assert(strings.TrimSpace(ip4gw), check.Equals, "172.28.200.1") |
| // Inspect the v6 gateway to ensure the proper default GW was assigned |
| ip6gw := inspectField(c, "first", "NetworkSettings.Networks.dualstackl2.IPv6Gateway") |
| c.Assert(strings.TrimSpace(ip6gw), check.Equals, "2001:db8:abc8::1") |
| |
| // Inspect the v4 gateway to ensure the proper explicitly assigned default GW was assigned |
| ip4gw = inspectField(c, "third", "NetworkSettings.Networks.dualstackl2.Gateway") |
| c.Assert(strings.TrimSpace(ip4gw), check.Equals, "172.28.202.254") |
| // Inspect the v6 gateway to ensure the proper explicitly assigned default GW was assigned |
| ip6gw = inspectField(c, "third", "NetworkSettings.Networks.dualstackl2.IPv6Gateway") |
| c.Assert(strings.TrimSpace(ip6gw), check.Equals, "2001:db8:abc6::254") |
| } |
| |
| func (s *DockerNetworkSuite) TestDockerNetworkIpvlanL3MultiSubnet(c *check.C) { |
| // create a dual stack multi-subnet Ipvlan L3 network and validate connectivity between all four containers per L3 mode |
| testRequires(c, DaemonIsLinux, IPv6, ipvlanKernelSupport, NotUserNamespace, NotArm, IPv6, ExperimentalDaemon) |
| dockerCmd(c, "network", "create", "--driver=ipvlan", "--ipv6", "--subnet=172.28.10.0/24", "--subnet=172.28.12.0/24", "--gateway=172.28.12.254", |
| "--subnet=2001:db8:abc9::/64", "--subnet=2001:db8:abc7::/64", "--gateway=2001:db8:abc7::254", "-o", "ipvlan_mode=l3", "dualstackl3") |
| // Ensure the network was created |
| assertNwIsAvailable(c, "dualstackl3") |
| |
| // start dual stack containers and verify the user specified --ip and --ip6 addresses on subnets 172.28.10.0/24 and 2001:db8:abc9::/64 |
| dockerCmd(c, "run", "-d", "--net=dualstackl3", "--name=first", "--ip", "172.28.10.20", "--ip6", "2001:db8:abc9::20", "busybox", "top") |
| dockerCmd(c, "run", "-d", "--net=dualstackl3", "--name=second", "--ip", "172.28.10.21", "--ip6", "2001:db8:abc9::21", "busybox", "top") |
| |
| // Inspect and store the v4 address from specified container on the network dualstackl3 |
| ip := inspectField(c, "first", "NetworkSettings.Networks.dualstackl3.IPAddress") |
| // Inspect and store the v6 address from specified container on the network dualstackl3 |
| ip6 := inspectField(c, "first", "NetworkSettings.Networks.dualstackl3.GlobalIPv6Address") |
| |
| // verify ipv4 connectivity to the explicit --ipv address second to first |
| _, _, err := dockerCmdWithError("exec", "second", "ping", "-c", "1", strings.TrimSpace(ip)) |
| c.Assert(err, check.IsNil) |
| // verify ipv6 connectivity to the explicit --ipv6 address second to first |
| _, _, err = dockerCmdWithError("exec", "second", "ping6", "-c", "1", strings.TrimSpace(ip6)) |
| c.Assert(err, check.IsNil) |
| |
| // start dual stack containers and verify the user specified --ip and --ip6 addresses on subnets 172.28.12.0/24 and 2001:db8:abc7::/64 |
| dockerCmd(c, "run", "-d", "--net=dualstackl3", "--name=third", "--ip", "172.28.12.20", "--ip6", "2001:db8:abc7::20", "busybox", "top") |
| dockerCmd(c, "run", "-d", "--net=dualstackl3", "--name=fourth", "--ip", "172.28.12.21", "--ip6", "2001:db8:abc7::21", "busybox", "top") |
| |
| // Inspect and store the v4 address from specified container on the network dualstackl3 |
| ip = inspectField(c, "third", "NetworkSettings.Networks.dualstackl3.IPAddress") |
| // Inspect and store the v6 address from specified container on the network dualstackl3 |
| ip6 = inspectField(c, "third", "NetworkSettings.Networks.dualstackl3.GlobalIPv6Address") |
| |
| // verify ipv4 connectivity to the explicit --ipv address from third to fourth |
| _, _, err = dockerCmdWithError("exec", "fourth", "ping", "-c", "1", strings.TrimSpace(ip)) |
| c.Assert(err, check.IsNil) |
| // verify ipv6 connectivity to the explicit --ipv6 address from third to fourth |
| _, _, err = dockerCmdWithError("exec", "fourth", "ping6", "-c", "1", strings.TrimSpace(ip6)) |
| c.Assert(err, check.IsNil) |
| |
| // Inspect and store the v4 address from specified container on the network dualstackl3 |
| ip = inspectField(c, "second", "NetworkSettings.Networks.dualstackl3.IPAddress") |
| // Inspect and store the v6 address from specified container on the network dualstackl3 |
| ip6 = inspectField(c, "second", "NetworkSettings.Networks.dualstackl3.GlobalIPv6Address") |
| |
| // Verify connectivity across disparate subnets which is unique to L3 mode only |
| _, _, err = dockerCmdWithError("exec", "third", "ping", "-c", "1", strings.TrimSpace(ip)) |
| c.Assert(err, check.IsNil) |
| _, _, err = dockerCmdWithError("exec", "third", "ping6", "-c", "1", strings.TrimSpace(ip6)) |
| c.Assert(err, check.IsNil) |
| |
| // Inspect the v4 gateway to ensure no next hop is assigned in L3 mode |
| ip4gw := inspectField(c, "first", "NetworkSettings.Networks.dualstackl3.Gateway") |
| c.Assert(strings.TrimSpace(ip4gw), check.Equals, "") |
| // Inspect the v6 gateway to ensure the explicitly specified default GW is ignored per L3 mode enabled |
| ip6gw := inspectField(c, "third", "NetworkSettings.Networks.dualstackl3.IPv6Gateway") |
| c.Assert(strings.TrimSpace(ip6gw), check.Equals, "") |
| } |
| |
| func (s *DockerNetworkSuite) TestDockerNetworkIpvlanAddressing(c *check.C) { |
| // Ensure the default gateways, next-hops and default dev devices are properly set |
| testRequires(c, DaemonIsLinux, IPv6, ipvlanKernelSupport, NotUserNamespace, NotArm, ExperimentalDaemon) |
| dockerCmd(c, "network", "create", "--driver=macvlan", "--ipv6", "--subnet=172.28.130.0/24", |
| "--subnet=2001:db8:abca::/64", "--gateway=2001:db8:abca::254", "-o", "macvlan_mode=bridge", "dualstackbridge") |
| assertNwIsAvailable(c, "dualstackbridge") |
| dockerCmd(c, "run", "-d", "--net=dualstackbridge", "--name=first", "busybox", "top") |
| // Validate macvlan bridge mode defaults gateway sets the default IPAM next-hop inferred from the subnet |
| out, _, err := dockerCmdWithError("exec", "first", "ip", "route") |
| c.Assert(err, check.IsNil) |
| c.Assert(out, checker.Contains, "default via 172.28.130.1 dev eth0") |
| // Validate macvlan bridge mode sets the v6 gateway to the user specified default gateway/next-hop |
| out, _, err = dockerCmdWithError("exec", "first", "ip", "-6", "route") |
| c.Assert(err, check.IsNil) |
| c.Assert(out, checker.Contains, "default via 2001:db8:abca::254 dev eth0") |
| |
| // Verify ipvlan l2 mode sets the proper default gateway routes via netlink |
| // for either an explicitly set route by the user or inferred via default IPAM |
| dockerCmd(c, "network", "create", "--driver=ipvlan", "--ipv6", "--subnet=172.28.140.0/24", "--gateway=172.28.140.254", |
| "--subnet=2001:db8:abcb::/64", "-o", "ipvlan_mode=l2", "dualstackl2") |
| assertNwIsAvailable(c, "dualstackl2") |
| dockerCmd(c, "run", "-d", "--net=dualstackl2", "--name=second", "busybox", "top") |
| // Validate ipvlan l2 mode defaults gateway sets the default IPAM next-hop inferred from the subnet |
| out, _, err = dockerCmdWithError("exec", "second", "ip", "route") |
| c.Assert(err, check.IsNil) |
| c.Assert(out, checker.Contains, "default via 172.28.140.254 dev eth0") |
| // Validate ipvlan l2 mode sets the v6 gateway to the user specified default gateway/next-hop |
| out, _, err = dockerCmdWithError("exec", "second", "ip", "-6", "route") |
| c.Assert(err, check.IsNil) |
| c.Assert(out, checker.Contains, "default via 2001:db8:abcb::1 dev eth0") |
| |
| // Validate ipvlan l3 mode sets the v4 gateway to dev eth0 and disregards any explicit or inferred next-hops |
| dockerCmd(c, "network", "create", "--driver=ipvlan", "--ipv6", "--subnet=172.28.160.0/24", "--gateway=172.28.160.254", |
| "--subnet=2001:db8:abcd::/64", "--gateway=2001:db8:abcd::254", "-o", "ipvlan_mode=l3", "dualstackl3") |
| assertNwIsAvailable(c, "dualstackl3") |
| dockerCmd(c, "run", "-d", "--net=dualstackl3", "--name=third", "busybox", "top") |
| // Validate ipvlan l3 mode sets the v4 gateway to dev eth0 and disregards any explicit or inferred next-hops |
| out, _, err = dockerCmdWithError("exec", "third", "ip", "route") |
| c.Assert(err, check.IsNil) |
| c.Assert(out, checker.Contains, "default dev eth0") |
| // Validate ipvlan l3 mode sets the v6 gateway to dev eth0 and disregards any explicit or inferred next-hops |
| out, _, err = dockerCmdWithError("exec", "third", "ip", "-6", "route") |
| c.Assert(err, check.IsNil) |
| c.Assert(out, checker.Contains, "default dev eth0") |
| } |
| |
| func (s *DockerSuite) TestDockerNetworkMacVlanBridgeNilParent(c *check.C) { |
| // macvlan bridge mode - dummy parent interface is provisioned dynamically |
| testRequires(c, DaemonIsLinux, macvlanKernelSupport, NotUserNamespace, NotArm, ExperimentalDaemon) |
| dockerCmd(c, "network", "create", "--driver=macvlan", "dm-nil-parent") |
| assertNwIsAvailable(c, "dm-nil-parent") |
| |
| // start two containers on the same subnet |
| dockerCmd(c, "run", "-d", "--net=dm-nil-parent", "--name=first", "busybox", "top") |
| c.Assert(waitRun("first"), check.IsNil) |
| dockerCmd(c, "run", "-d", "--net=dm-nil-parent", "--name=second", "busybox", "top") |
| c.Assert(waitRun("second"), check.IsNil) |
| |
| // intra-network communications should succeed |
| _, _, err := dockerCmdWithError("exec", "second", "ping", "-c", "1", "first") |
| c.Assert(err, check.IsNil) |
| } |
| |
| func (s *DockerSuite) TestDockerNetworkMacVlanBridgeInternalMode(c *check.C) { |
| // macvlan bridge mode --internal containers can communicate inside the network but not externally |
| testRequires(c, DaemonIsLinux, macvlanKernelSupport, NotUserNamespace, NotArm, ExperimentalDaemon) |
| cli.DockerCmd(c, "network", "create", "--driver=macvlan", "--internal", "dm-internal") |
| assertNwIsAvailable(c, "dm-internal") |
| nr := getNetworkResource(c, "dm-internal") |
| c.Assert(nr.Internal, checker.True) |
| |
| // start two containers on the same subnet |
| cli.DockerCmd(c, "run", "-d", "--net=dm-internal", "--name=first", "busybox", "top") |
| c.Assert(waitRun("first"), check.IsNil) |
| cli.DockerCmd(c, "run", "-d", "--net=dm-internal", "--name=second", "busybox", "top") |
| c.Assert(waitRun("second"), check.IsNil) |
| |
| // access outside of the network should fail |
| result := cli.Docker(cli.Args("exec", "first", "ping", "-c", "1", "-w", "1", "8.8.8.8"), cli.WithTimeout(time.Second)) |
| result.Assert(c, icmd.Expected{Timeout: true}) |
| |
| // intra-network communications should succeed |
| cli.DockerCmd(c, "exec", "second", "ping", "-c", "1", "first") |
| } |
| |
| func (s *DockerSuite) TestDockerNetworkIpvlanL2NilParent(c *check.C) { |
| // ipvlan l2 mode - dummy parent interface is provisioned dynamically |
| testRequires(c, DaemonIsLinux, ipvlanKernelSupport, NotUserNamespace, NotArm, ExperimentalDaemon) |
| dockerCmd(c, "network", "create", "--driver=ipvlan", "di-nil-parent") |
| assertNwIsAvailable(c, "di-nil-parent") |
| |
| // start two containers on the same subnet |
| dockerCmd(c, "run", "-d", "--net=di-nil-parent", "--name=first", "busybox", "top") |
| c.Assert(waitRun("first"), check.IsNil) |
| dockerCmd(c, "run", "-d", "--net=di-nil-parent", "--name=second", "busybox", "top") |
| c.Assert(waitRun("second"), check.IsNil) |
| |
| // intra-network communications should succeed |
| _, _, err := dockerCmdWithError("exec", "second", "ping", "-c", "1", "first") |
| c.Assert(err, check.IsNil) |
| } |
| |
| func (s *DockerSuite) TestDockerNetworkIpvlanL2InternalMode(c *check.C) { |
| // ipvlan l2 mode --internal containers can communicate inside the network but not externally |
| testRequires(c, DaemonIsLinux, ipvlanKernelSupport, NotUserNamespace, NotArm, ExperimentalDaemon) |
| cli.DockerCmd(c, "network", "create", "--driver=ipvlan", "--internal", "di-internal") |
| assertNwIsAvailable(c, "di-internal") |
| nr := getNetworkResource(c, "di-internal") |
| c.Assert(nr.Internal, checker.True) |
| |
| // start two containers on the same subnet |
| cli.DockerCmd(c, "run", "-d", "--net=di-internal", "--name=first", "busybox", "top") |
| c.Assert(waitRun("first"), check.IsNil) |
| cli.DockerCmd(c, "run", "-d", "--net=di-internal", "--name=second", "busybox", "top") |
| c.Assert(waitRun("second"), check.IsNil) |
| |
| // access outside of the network should fail |
| result := cli.Docker(cli.Args("exec", "first", "ping", "-c", "1", "-w", "1", "8.8.8.8"), cli.WithTimeout(time.Second)) |
| result.Assert(c, icmd.Expected{Timeout: true}) |
| // intra-network communications should succeed |
| cli.DockerCmd(c, "exec", "second", "ping", "-c", "1", "first") |
| } |
| |
| func (s *DockerSuite) TestDockerNetworkIpvlanL3NilParent(c *check.C) { |
| // ipvlan l3 mode - dummy parent interface is provisioned dynamically |
| testRequires(c, DaemonIsLinux, ipvlanKernelSupport, NotUserNamespace, NotArm, ExperimentalDaemon) |
| dockerCmd(c, "network", "create", "--driver=ipvlan", "--subnet=172.28.230.0/24", |
| "--subnet=172.28.220.0/24", "-o", "ipvlan_mode=l3", "di-nil-parent-l3") |
| assertNwIsAvailable(c, "di-nil-parent-l3") |
| |
| // start two containers on separate subnets |
| dockerCmd(c, "run", "-d", "--ip=172.28.220.10", "--net=di-nil-parent-l3", "--name=first", "busybox", "top") |
| c.Assert(waitRun("first"), check.IsNil) |
| dockerCmd(c, "run", "-d", "--ip=172.28.230.10", "--net=di-nil-parent-l3", "--name=second", "busybox", "top") |
| c.Assert(waitRun("second"), check.IsNil) |
| |
| // intra-network communications should succeed |
| _, _, err := dockerCmdWithError("exec", "second", "ping", "-c", "1", "first") |
| c.Assert(err, check.IsNil) |
| } |
| |
| func (s *DockerSuite) TestDockerNetworkIpvlanL3InternalMode(c *check.C) { |
| // ipvlan l3 mode --internal containers can communicate inside the network but not externally |
| testRequires(c, DaemonIsLinux, ipvlanKernelSupport, NotUserNamespace, NotArm, ExperimentalDaemon) |
| cli.DockerCmd(c, "network", "create", "--driver=ipvlan", "--subnet=172.28.230.0/24", |
| "--subnet=172.28.220.0/24", "-o", "ipvlan_mode=l3", "--internal", "di-internal-l3") |
| assertNwIsAvailable(c, "di-internal-l3") |
| nr := getNetworkResource(c, "di-internal-l3") |
| c.Assert(nr.Internal, checker.True) |
| |
| // start two containers on separate subnets |
| cli.DockerCmd(c, "run", "-d", "--ip=172.28.220.10", "--net=di-internal-l3", "--name=first", "busybox", "top") |
| c.Assert(waitRun("first"), check.IsNil) |
| cli.DockerCmd(c, "run", "-d", "--ip=172.28.230.10", "--net=di-internal-l3", "--name=second", "busybox", "top") |
| c.Assert(waitRun("second"), check.IsNil) |
| |
| // access outside of the network should fail |
| result := cli.Docker(cli.Args("exec", "first", "ping", "-c", "1", "-w", "1", "8.8.8.8"), cli.WithTimeout(time.Second)) |
| result.Assert(c, icmd.Expected{Timeout: true}) |
| // intra-network communications should succeed |
| cli.DockerCmd(c, "exec", "second", "ping", "-c", "1", "first") |
| } |
| |
| func (s *DockerSuite) TestDockerNetworkMacVlanExistingParent(c *check.C) { |
| // macvlan bridge mode - empty parent interface containers can reach each other internally but not externally |
| testRequires(c, DaemonIsLinux, macvlanKernelSupport, NotUserNamespace, NotArm, ExperimentalDaemon) |
| netName := "dm-parent-exists" |
| createMasterDummy(c, "dm-dummy0") |
| //out, err := createVlanInterface(c, "dm-parent", "dm-slave", "macvlan", "bridge") |
| // create a network using an existing parent interface |
| dockerCmd(c, "network", "create", "--driver=macvlan", "-o", "parent=dm-dummy0", netName) |
| assertNwIsAvailable(c, netName) |
| // delete the network while preserving the parent link |
| dockerCmd(c, "network", "rm", netName) |
| assertNwNotAvailable(c, netName) |
| // verify the network delete did not delete the predefined link |
| linkExists(c, "dm-dummy0") |
| deleteInterface(c, "dm-dummy0") |
| } |
| |
| func (s *DockerSuite) TestDockerNetworkMacVlanSubinterface(c *check.C) { |
| // macvlan bridge mode - empty parent interface containers can reach each other internally but not externally |
| testRequires(c, DaemonIsLinux, macvlanKernelSupport, NotUserNamespace, NotArm, ExperimentalDaemon) |
| netName := "dm-subinterface" |
| createMasterDummy(c, "dm-dummy0") |
| createVlanInterface(c, "dm-dummy0", "dm-dummy0.20", "20") |
| // create a network using an existing parent interface |
| dockerCmd(c, "network", "create", "--driver=macvlan", "-o", "parent=dm-dummy0.20", netName) |
| assertNwIsAvailable(c, netName) |
| |
| // start containers on 802.1q tagged '-o parent' sub-interface |
| dockerCmd(c, "run", "-d", "--net=dm-subinterface", "--name=first", "busybox", "top") |
| c.Assert(waitRun("first"), check.IsNil) |
| dockerCmd(c, "run", "-d", "--net=dm-subinterface", "--name=second", "busybox", "top") |
| c.Assert(waitRun("second"), check.IsNil) |
| // verify containers can communicate |
| _, _, err := dockerCmdWithError("exec", "second", "ping", "-c", "1", "first") |
| c.Assert(err, check.IsNil) |
| |
| // remove the containers |
| dockerCmd(c, "rm", "-f", "first") |
| dockerCmd(c, "rm", "-f", "second") |
| // delete the network while preserving the parent link |
| dockerCmd(c, "network", "rm", netName) |
| assertNwNotAvailable(c, netName) |
| // verify the network delete did not delete the predefined sub-interface |
| linkExists(c, "dm-dummy0.20") |
| // delete the parent interface which also collects the slave |
| deleteInterface(c, "dm-dummy0") |
| } |
| |
| func createMasterDummy(c *check.C, master string) { |
| // ip link add <dummy_name> type dummy |
| icmd.RunCommand("ip", "link", "add", master, "type", "dummy").Assert(c, icmd.Success) |
| icmd.RunCommand("ip", "link", "set", master, "up").Assert(c, icmd.Success) |
| } |
| |
| func createVlanInterface(c *check.C, master, slave, id string) { |
| // ip link add link <master> name <master>.<VID> type vlan id <VID> |
| icmd.RunCommand("ip", "link", "add", "link", master, "name", slave, "type", "vlan", "id", id).Assert(c, icmd.Success) |
| // ip link set <sub_interface_name> up |
| icmd.RunCommand("ip", "link", "set", slave, "up").Assert(c, icmd.Success) |
| } |
| |
| func linkExists(c *check.C, master string) { |
| // verify the specified link exists, ip link show <link_name> |
| icmd.RunCommand("ip", "link", "show", master).Assert(c, icmd.Success) |
| } |
