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| author | Brent Salisbury <brent@docker.com> | 2016-03-11 00:59:49 -0500 |
|---|---|---|
| committer | Madhu Venugopal <madhu@docker.com> | 2016-03-11 16:00:27 -0800 |
| commit | afeea8c9ca71780cd02abc86ad61e587f26be620 (patch) | |
| tree | d3d447f8b2a182652be5c792a3c32d709ad8d9ab /integration-cli/docker_experimental_network_test.go | |
| parent | 9047cd40c2b2eb0609132800b9b8752d1cad0fcc (diff) | |
| download | docker-afeea8c9ca71780cd02abc86ad61e587f26be620.tar.gz | |
Experimental it for net vlan drivers
Signed-off-by: Brent Salisbury <brent@docker.com>
Signed-off-by: Madhu Venugopal <madhu@docker.com>
Diffstat (limited to 'integration-cli/docker_experimental_network_test.go')
| -rw-r--r-- | integration-cli/docker_experimental_network_test.go | 590 |
1 files changed, 590 insertions, 0 deletions
diff --git a/integration-cli/docker_experimental_network_test.go b/integration-cli/docker_experimental_network_test.go new file mode 100644 index 0000000000..6d61b0b349 --- /dev/null +++ b/integration-cli/docker_experimental_network_test.go @@ -0,0 +1,590 @@ +// +build experimental + +package main + +import ( + "os/exec" + "strings" + "time" + + "github.com/docker/docker/pkg/integration/checker" + "github.com/docker/docker/pkg/parsers/kernel" + "github.com/go-check/check" +) + +var ( + MacvlanKernelSupport = testRequirement{ + func() bool { + const macvlanKernelVer = 3 // minimum macvlan kernel support + const macvlanMajorVer = 9 // minimum macvlan major kernel support + kv, err := kernel.GetKernelVersion() + if err != nil { + return false + } + // ensure Kernel version is >= v3.9 for macvlan support + if kv.Kernel < macvlanKernelVer || (kv.Kernel == macvlanKernelVer && kv.Major < macvlanMajorVer) { + return false + } + return true + }, + "kernel version failed to meet the minimum macvlan kernel requirement of 3.9", + } + IpvlanKernelSupport = testRequirement{ + func() bool { + const ipvlanKernelVer = 4 // minimum ipvlan kernel support + const ipvlanMajorVer = 2 // minimum ipvlan major kernel support + kv, err := kernel.GetKernelVersion() + if err != nil { + return false + } + // ensure Kernel version is >= v4.2 for ipvlan support + if kv.Kernel < ipvlanKernelVer || (kv.Kernel == ipvlanKernelVer && kv.Major < ipvlanMajorVer) { + return false + } + return true + }, + "kernel version failed to meet the minimum ipvlan kernel requirement of 4.0.0", + } +) + +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) + // master dummy interface 'dm' abbreviation represents 'docker macvlan' + master := "dm-dummy0" + // simulate the master link the vlan tagged subinterface parent link will use + out, err := createMasterDummy(c, master) + c.Assert(err, check.IsNil, check.Commentf(out)) + // 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() + // 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) + // master dummy interface 'di' notation represent 'docker ipvlan' + master := "di-dummy0" + // simulate the master link the vlan tagged subinterface parent link will use + out, err := createMasterDummy(c, master) + c.Assert(err, check.IsNil, check.Commentf(out)) + // 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() + // 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) + // master dummy interface 'dm' abbreviation represents 'docker macvlan' + master := "dm-dummy0" + // simulate the master link the vlan tagged subinterface parent link will use + out, err := createMasterDummy(c, master) + c.Assert(err, check.IsNil, check.Commentf(out)) + // 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) + // master dummy interface 'dm' abbreviation represents 'docker ipvlan' + master := "di-dummy0" + // simulate the master link the vlan tagged subinterface parent link will use + out, err := createMasterDummy(c, master) + c.Assert(err, check.IsNil, check.Commentf(out)) + // 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) + // master dummy interface 'dm' abbreviation represents 'docker macvlan' + master := "dm-dummy0" + out, err := createMasterDummy(c, master) + c.Assert(err, check.IsNil, check.Commentf(out)) + out, err = createVlanInterface(c, master, "dm-dummy0.40", "40") + c.Assert(err, check.IsNil, check.Commentf(out)) + // 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) + // 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) + // master dummy interface 'dm' abbreviation represents 'docker ipvlan' + master := "di-dummy0" + out, err := createMasterDummy(c, master) + c.Assert(err, check.IsNil, check.Commentf(out)) + out, err = createVlanInterface(c, master, "di-dummy0.30", "30") + c.Assert(err, check.IsNil, check.Commentf(out)) + // 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) + // 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, MacvlanKernelSupport, NotUserNamespace, NotArm) + dockerCmd(c, "network", "create", "--driver=macvlan", "--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 + _, _, 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, IpvlanKernelSupport, NotUserNamespace, NotArm) + dockerCmd(c, "network", "create", "--driver=ipvlan", "--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, IpvlanKernelSupport, NotUserNamespace, NotArm) + dockerCmd(c, "network", "create", "--driver=ipvlan", "--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, IpvlanKernelSupport, NotUserNamespace, NotArm) + dockerCmd(c, "network", "create", "--driver=macvlan", "--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", "--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", "--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) + 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) + 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 + dockerCmd(c, "run", "-d", "--net=dm-internal", "--name=first", "busybox", "top") + c.Assert(waitRun("first"), check.IsNil) + dockerCmd(c, "run", "-d", "--net=dm-internal", "--name=second", "busybox", "top") + c.Assert(waitRun("second"), check.IsNil) + + // access outside of the network should fail + _, _, err := dockerCmdWithTimeout(time.Second, "exec", "first", "ping", "-c", "1", "-w", "1", "8.8.8.8") + c.Assert(err, check.NotNil) + // intra-network communications should succeed + _, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "first") + c.Assert(err, check.IsNil) +} + +func (s *DockerSuite) TestDockerNetworkIpvlanL2NilParent(c *check.C) { + // ipvlan l2 mode - dummy parent interface is provisioned dynamically + testRequires(c, DaemonIsLinux, IpvlanKernelSupport, NotUserNamespace, NotArm) + 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) + 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 + dockerCmd(c, "run", "-d", "--net=di-internal", "--name=first", "busybox", "top") + c.Assert(waitRun("first"), check.IsNil) + dockerCmd(c, "run", "-d", "--net=di-internal", "--name=second", "busybox", "top") + c.Assert(waitRun("second"), check.IsNil) + + // access outside of the network should fail + _, _, err := dockerCmdWithTimeout(time.Second, "exec", "first", "ping", "-c", "1", "-w", "1", "8.8.8.8") + c.Assert(err, check.NotNil) + // intra-network communications should succeed + _, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "first") + c.Assert(err, check.IsNil) +} + +func (s *DockerSuite) TestDockerNetworkIpvlanL3NilParent(c *check.C) { + // ipvlan l3 mode - dummy parent interface is provisioned dynamically + testRequires(c, DaemonIsLinux, IpvlanKernelSupport, NotUserNamespace, NotArm) + 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) + 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 + dockerCmd(c, "run", "-d", "--ip=172.28.220.10", "--net=di-internal-l3", "--name=first", "busybox", "top") + c.Assert(waitRun("first"), check.IsNil) + 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 + _, _, err := dockerCmdWithTimeout(time.Second, "exec", "first", "ping", "-c", "1", "-w", "1", "8.8.8.8") + c.Assert(err, check.NotNil) + // intra-network communications should succeed + _, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "first") + c.Assert(err, check.IsNil) +} + +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) + netName := "dm-parent-exists" + out, err := createMasterDummy(c, "dm-dummy0") + //out, err := createVlanInterface(c, "dm-parent", "dm-slave", "macvlan", "bridge") + c.Assert(err, check.IsNil, check.Commentf(out)) + // 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 + out, err = linkExists(c, "dm-dummy0") + c.Assert(err, check.IsNil, check.Commentf(out)) + deleteInterface(c, "dm-dummy0") + c.Assert(err, check.IsNil, check.Commentf(out)) +} + +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) + netName := "dm-subinterface" + out, err := createMasterDummy(c, "dm-dummy0") + c.Assert(err, check.IsNil, check.Commentf(out)) + out, err = createVlanInterface(c, "dm-dummy0", "dm-dummy0.20", "20") + c.Assert(err, check.IsNil, check.Commentf(out)) + // 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 + out, err = linkExists(c, "dm-dummy0.20") + c.Assert(err, check.IsNil, check.Commentf(out)) + // delete the parent interface which also collects the slave + deleteInterface(c, "dm-dummy0") + c.Assert(err, check.IsNil, check.Commentf(out)) +} + +func createMasterDummy(c *check.C, master string) (string, error) { + // ip link add <dummy_name> type dummy + args := []string{"link", "add", master, "type", "dummy"} + ipLinkCmd := exec.Command("ip", args...) + out, _, err := runCommandWithOutput(ipLinkCmd) + if err != nil { + return out, err + } + // ip link set dummy_name up + args = []string{"link", "set", master, "up"} + ipLinkCmd = exec.Command("ip", args...) + out, _, err = runCommandWithOutput(ipLinkCmd) + if err != nil { + return out, err + } + return out, err +} + +func createVlanInterface(c *check.C, master, slave, id string) (string, error) { + // ip link add link <master> name <master>.<VID> type vlan id <VID> + args := []string{"link", "add", "link", master, "name", slave, "type", "vlan", "id", id} + ipLinkCmd := exec.Command("ip", args...) + out, _, err := runCommandWithOutput(ipLinkCmd) + if err != nil { + return out, err + } + // ip link set <sub_interface_name> up + args = []string{"link", "set", slave, "up"} + ipLinkCmd = exec.Command("ip", args...) + out, _, err = runCommandWithOutput(ipLinkCmd) + if err != nil { + return out, err + } + return out, err +} + +func linkExists(c *check.C, master string) (string, error) { + // verify the specified link exists, ip link show <link_name> + args := []string{"link", "show", master} + ipLinkCmd := exec.Command("ip", args...) + out, _, err := runCommandWithOutput(ipLinkCmd) + if err != nil { + return out, err + } + return out, err +} |
