mirror of
https://github.com/moby/moby.git
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278 lines
9.9 KiB
Go
278 lines
9.9 KiB
Go
// +build !windows
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package macvlan
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import (
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"context"
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"strings"
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"testing"
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"time"
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"github.com/docker/docker/client"
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"github.com/docker/docker/integration/internal/container"
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net "github.com/docker/docker/integration/internal/network"
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n "github.com/docker/docker/integration/network"
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"github.com/docker/docker/internal/test/daemon"
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"gotest.tools/assert"
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"gotest.tools/skip"
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)
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func TestDockerNetworkMacvlanPersistance(t *testing.T) {
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// verify the driver automatically provisions the 802.1q link (dm-dummy0.60)
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skip.If(t, testEnv.IsRemoteDaemon)
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skip.If(t, !macvlanKernelSupport(), "Kernel doesn't support macvlan")
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d := daemon.New(t)
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d.StartWithBusybox(t)
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defer d.Stop(t)
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master := "dm-dummy0"
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n.CreateMasterDummy(t, master)
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defer n.DeleteInterface(t, master)
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c := d.NewClientT(t)
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netName := "dm-persist"
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net.CreateNoError(t, context.Background(), c, netName,
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net.WithMacvlan("dm-dummy0.60"),
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)
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assert.Check(t, n.IsNetworkAvailable(c, netName))
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d.Restart(t)
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assert.Check(t, n.IsNetworkAvailable(c, netName))
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}
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func TestDockerNetworkMacvlan(t *testing.T) {
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skip.If(t, testEnv.IsRemoteDaemon)
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skip.If(t, !macvlanKernelSupport(), "Kernel doesn't support macvlan")
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for _, tc := range []struct {
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name string
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test func(client.APIClient) func(*testing.T)
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}{
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{
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name: "Subinterface",
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test: testMacvlanSubinterface,
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}, {
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name: "OverlapParent",
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test: testMacvlanOverlapParent,
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}, {
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name: "NilParent",
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test: testMacvlanNilParent,
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}, {
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name: "InternalMode",
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test: testMacvlanInternalMode,
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}, {
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name: "Addressing",
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test: testMacvlanAddressing,
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},
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} {
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d := daemon.New(t)
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d.StartWithBusybox(t)
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c := d.NewClientT(t)
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t.Run(tc.name, tc.test(c))
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d.Stop(t)
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// FIXME(vdemeester) clean network
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}
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}
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func testMacvlanOverlapParent(client client.APIClient) func(*testing.T) {
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return func(t *testing.T) {
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// verify the same parent interface cannot be used if already in use by an existing network
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master := "dm-dummy0"
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n.CreateMasterDummy(t, master)
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defer n.DeleteInterface(t, master)
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netName := "dm-subinterface"
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parentName := "dm-dummy0.40"
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net.CreateNoError(t, context.Background(), client, netName,
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net.WithMacvlan(parentName),
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)
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assert.Check(t, n.IsNetworkAvailable(client, netName))
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_, err := net.Create(context.Background(), client, "dm-parent-net-overlap",
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net.WithMacvlan(parentName),
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)
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assert.Check(t, err != nil)
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// delete the network while preserving the parent link
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err = client.NetworkRemove(context.Background(), netName)
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assert.NilError(t, err)
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assert.Check(t, n.IsNetworkNotAvailable(client, netName))
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// verify the network delete did not delete the predefined link
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n.LinkExists(t, master)
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}
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}
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func testMacvlanSubinterface(client client.APIClient) func(*testing.T) {
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return func(t *testing.T) {
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// verify the same parent interface cannot be used if already in use by an existing network
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master := "dm-dummy0"
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parentName := "dm-dummy0.20"
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n.CreateMasterDummy(t, master)
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defer n.DeleteInterface(t, master)
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n.CreateVlanInterface(t, master, parentName, "20")
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netName := "dm-subinterface"
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net.CreateNoError(t, context.Background(), client, netName,
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net.WithMacvlan(parentName),
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)
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assert.Check(t, n.IsNetworkAvailable(client, netName))
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// delete the network while preserving the parent link
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err := client.NetworkRemove(context.Background(), netName)
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assert.NilError(t, err)
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assert.Check(t, n.IsNetworkNotAvailable(client, netName))
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// verify the network delete did not delete the predefined link
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n.LinkExists(t, parentName)
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}
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}
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func testMacvlanNilParent(client client.APIClient) func(*testing.T) {
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return func(t *testing.T) {
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// macvlan bridge mode - dummy parent interface is provisioned dynamically
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netName := "dm-nil-parent"
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net.CreateNoError(t, context.Background(), client, netName,
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net.WithMacvlan(""),
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)
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assert.Check(t, n.IsNetworkAvailable(client, netName))
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ctx := context.Background()
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id1 := container.Run(t, ctx, client, container.WithNetworkMode(netName))
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id2 := container.Run(t, ctx, client, container.WithNetworkMode(netName))
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_, err := container.Exec(ctx, client, id2, []string{"ping", "-c", "1", id1})
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assert.Check(t, err == nil)
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}
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}
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func testMacvlanInternalMode(client client.APIClient) func(*testing.T) {
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return func(t *testing.T) {
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// macvlan bridge mode - dummy parent interface is provisioned dynamically
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netName := "dm-internal"
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net.CreateNoError(t, context.Background(), client, netName,
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net.WithMacvlan(""),
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net.WithInternal(),
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)
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assert.Check(t, n.IsNetworkAvailable(client, netName))
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ctx := context.Background()
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id1 := container.Run(t, ctx, client, container.WithNetworkMode(netName))
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id2 := container.Run(t, ctx, client, container.WithNetworkMode(netName))
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timeoutCtx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
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defer cancel()
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_, err := container.Exec(timeoutCtx, client, id1, []string{"ping", "-c", "1", "-w", "1", "8.8.8.8"})
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// FIXME(vdemeester) check the time of error ?
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assert.Check(t, err != nil)
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assert.Check(t, timeoutCtx.Err() == context.DeadlineExceeded)
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_, err = container.Exec(ctx, client, id2, []string{"ping", "-c", "1", id1})
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assert.Check(t, err == nil)
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}
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}
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func testMacvlanMultiSubnet(client client.APIClient) func(*testing.T) {
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return func(t *testing.T) {
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netName := "dualstackbridge"
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net.CreateNoError(t, context.Background(), client, netName,
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net.WithMacvlan(""),
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net.WithIPv6(),
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net.WithIPAM("172.28.100.0/24", ""),
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net.WithIPAM("172.28.102.0/24", "172.28.102.254"),
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net.WithIPAM("2001:db8:abc2::/64", ""),
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net.WithIPAM("2001:db8:abc4::/64", "2001:db8:abc4::254"),
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)
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assert.Check(t, n.IsNetworkAvailable(client, netName))
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// 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
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ctx := context.Background()
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id1 := container.Run(t, ctx, client,
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container.WithNetworkMode("dualstackbridge"),
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container.WithIPv4("dualstackbridge", "172.28.100.20"),
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container.WithIPv6("dualstackbridge", "2001:db8:abc2::20"),
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)
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id2 := container.Run(t, ctx, client,
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container.WithNetworkMode("dualstackbridge"),
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container.WithIPv4("dualstackbridge", "172.28.100.21"),
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container.WithIPv6("dualstackbridge", "2001:db8:abc2::21"),
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)
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c1, err := client.ContainerInspect(ctx, id1)
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assert.NilError(t, err)
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// verify ipv4 connectivity to the explicit --ipv address second to first
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_, err = container.Exec(ctx, client, id2, []string{"ping", "-c", "1", c1.NetworkSettings.Networks["dualstackbridge"].IPAddress})
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assert.NilError(t, err)
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// verify ipv6 connectivity to the explicit --ipv6 address second to first
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_, err = container.Exec(ctx, client, id2, []string{"ping6", "-c", "1", c1.NetworkSettings.Networks["dualstackbridge"].GlobalIPv6Address})
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assert.NilError(t, err)
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// 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
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id3 := container.Run(t, ctx, client,
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container.WithNetworkMode("dualstackbridge"),
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container.WithIPv4("dualstackbridge", "172.28.102.20"),
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container.WithIPv6("dualstackbridge", "2001:db8:abc4::20"),
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)
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id4 := container.Run(t, ctx, client,
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container.WithNetworkMode("dualstackbridge"),
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container.WithIPv4("dualstackbridge", "172.28.102.21"),
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container.WithIPv6("dualstackbridge", "2001:db8:abc4::21"),
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)
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c3, err := client.ContainerInspect(ctx, id3)
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assert.NilError(t, err)
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// verify ipv4 connectivity to the explicit --ipv address from third to fourth
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_, err = container.Exec(ctx, client, id4, []string{"ping", "-c", "1", c3.NetworkSettings.Networks["dualstackbridge"].IPAddress})
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assert.NilError(t, err)
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// verify ipv6 connectivity to the explicit --ipv6 address from third to fourth
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_, err = container.Exec(ctx, client, id4, []string{"ping6", "-c", "1", c3.NetworkSettings.Networks["dualstackbridge"].GlobalIPv6Address})
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assert.NilError(t, err)
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// Inspect the v4 gateway to ensure the proper default GW was assigned
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assert.Equal(t, c1.NetworkSettings.Networks["dualstackbridge"].Gateway, "172.28.100.1")
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// Inspect the v6 gateway to ensure the proper default GW was assigned
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assert.Equal(t, c1.NetworkSettings.Networks["dualstackbridge"].IPv6Gateway, "2001:db8:abc2::1")
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// Inspect the v4 gateway to ensure the proper explicitly assigned default GW was assigned
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assert.Equal(t, c3.NetworkSettings.Networks["dualstackbridge"].Gateway, "172.28.102.254")
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// Inspect the v6 gateway to ensure the proper explicitly assigned default GW was assigned
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assert.Equal(t, c3.NetworkSettings.Networks["dualstackbridge"].IPv6Gateway, "2001:db8.abc4::254")
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}
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}
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func testMacvlanAddressing(client client.APIClient) func(*testing.T) {
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return func(t *testing.T) {
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// Ensure the default gateways, next-hops and default dev devices are properly set
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netName := "dualstackbridge"
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net.CreateNoError(t, context.Background(), client, netName,
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net.WithMacvlan(""),
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net.WithIPv6(),
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net.WithOption("macvlan_mode", "bridge"),
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net.WithIPAM("172.28.130.0/24", ""),
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net.WithIPAM("2001:db8:abca::/64", "2001:db8:abca::254"),
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)
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assert.Check(t, n.IsNetworkAvailable(client, netName))
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ctx := context.Background()
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id1 := container.Run(t, ctx, client,
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container.WithNetworkMode("dualstackbridge"),
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)
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// Validate macvlan bridge mode defaults gateway sets the default IPAM next-hop inferred from the subnet
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result, err := container.Exec(ctx, client, id1, []string{"ip", "route"})
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assert.NilError(t, err)
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assert.Check(t, strings.Contains(result.Combined(), "default via 172.28.130.1 dev eth0"))
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// Validate macvlan bridge mode sets the v6 gateway to the user specified default gateway/next-hop
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result, err = container.Exec(ctx, client, id1, []string{"ip", "-6", "route"})
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assert.NilError(t, err)
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assert.Check(t, strings.Contains(result.Combined(), "default via 2001:db8:abca::254 dev eth0"))
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}
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}
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// ensure Kernel version is >= v3.9 for macvlan support
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func macvlanKernelSupport() bool {
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return n.CheckKernelMajorVersionGreaterOrEqualThen(3, 9)
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}
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