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dae3650dcc
Add WithAPIVersion and WithAPIVersionFromEnv to be more clear on the intent, and to align with other related options and fields. Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
912 lines
31 KiB
Go
912 lines
31 KiB
Go
//go:build !windows
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package ipvlan
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import (
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"context"
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"fmt"
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"net/netip"
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"strings"
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"testing"
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"time"
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"github.com/google/go-cmp/cmp/cmpopts"
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"github.com/moby/moby/api/types/network"
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"github.com/moby/moby/client"
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"github.com/moby/moby/v2/daemon/libnetwork/netlabel"
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"github.com/moby/moby/v2/integration/internal/container"
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net "github.com/moby/moby/v2/integration/internal/network"
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n "github.com/moby/moby/v2/integration/network"
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"github.com/moby/moby/v2/internal/testutil"
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"github.com/moby/moby/v2/internal/testutil/daemon"
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"gotest.tools/v3/assert"
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is "gotest.tools/v3/assert/cmp"
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"gotest.tools/v3/skip"
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)
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func TestDockerNetworkIpvlanPersistence(t *testing.T) {
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// verify the driver automatically provisions the 802.1q link (di-dummy0.70)
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skip.If(t, testEnv.IsRemoteDaemon)
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skip.If(t, testEnv.IsRootless, "rootless mode has different view of network")
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ctx := testutil.StartSpan(baseContext, t)
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d := daemon.New(t)
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d.StartWithBusybox(ctx, t)
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defer d.Stop(t)
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// master dummy interface 'di' notation represent 'docker ipvlan'
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master := "di-dummy0"
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n.CreateMasterDummy(ctx, t, master)
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defer n.DeleteInterface(ctx, t, master)
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c := d.NewClientT(t)
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// create a network specifying the desired sub-interface name
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netName := "di-persist"
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net.CreateNoError(ctx, t, c, netName,
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net.WithIPvlan("di-dummy0.70", ""),
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)
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assert.Check(t, n.IsNetworkAvailable(ctx, c, netName))
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// Restart docker daemon to test the config has persisted to disk
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d.Restart(t)
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assert.Check(t, n.IsNetworkAvailable(ctx, c, netName))
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}
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func TestDockerNetworkIpvlan(t *testing.T) {
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skip.If(t, testEnv.IsRemoteDaemon)
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skip.If(t, testEnv.IsRootless, "rootless mode has different view of network")
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ctx := testutil.StartSpan(baseContext, t)
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for _, tc := range []struct {
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name string
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test func(*testing.T, context.Context, client.APIClient)
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}{
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{
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name: "Subinterface",
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test: testIpvlanSubinterface,
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}, {
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name: "OverlapParent",
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test: testIpvlanOverlapParent,
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}, {
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name: "L2NilParent",
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test: testIpvlanL2NilParent,
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}, {
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name: "L2InternalMode",
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test: testIpvlanL2InternalMode,
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}, {
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name: "L3NilParent",
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test: testIpvlanL3NilParent,
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}, {
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name: "L3InternalMode",
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test: testIpvlanL3InternalMode,
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}, {
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name: "L2MultiSubnetWithParent",
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test: testIpvlanL2MultiSubnetWithParent,
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}, {
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name: "L2MultiSubnetNoParent",
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test: testIpvlanL2MultiSubnetNoParent,
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}, {
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name: "L3MultiSubnet",
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test: testIpvlanL3MultiSubnet,
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}, {
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name: "L2Gateway",
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test: testIpvlanL2Addressing,
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}, {
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name: "L3Addressing",
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test: testIpvlanL3Addressing,
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},
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} {
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t.Run(tc.name, func(t *testing.T) {
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testutil.StartSpan(ctx, t)
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d := daemon.New(t)
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t.Cleanup(func() { d.Stop(t) })
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d.StartWithBusybox(ctx, t)
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c := d.NewClientT(t)
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tc.test(t, ctx, c)
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})
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// FIXME(vdemeester) clean network
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}
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}
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func testIpvlanSubinterface(t *testing.T, ctx context.Context, apiClient client.APIClient) {
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master := "di-dummy0"
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n.CreateMasterDummy(ctx, t, master)
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defer n.DeleteInterface(ctx, t, master)
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netName := "di-subinterface"
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net.CreateNoError(ctx, t, apiClient, netName,
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net.WithIPvlan("di-dummy0.60", ""),
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)
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assert.Check(t, n.IsNetworkAvailable(ctx, apiClient, netName))
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// delete the network while preserving the parent link
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_, err := apiClient.NetworkRemove(ctx, netName, client.NetworkRemoveOptions{})
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assert.NilError(t, err)
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assert.Check(t, n.IsNetworkNotAvailable(ctx, apiClient, netName))
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// verify the network delete did not delete the predefined link
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n.LinkExists(ctx, t, "di-dummy0")
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}
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func testIpvlanOverlapParent(t *testing.T, ctx context.Context, client client.APIClient) {
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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 := "di-dummy0"
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parent := master + ".30"
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n.CreateMasterDummy(ctx, t, master)
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defer n.DeleteInterface(ctx, t, master)
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n.CreateVlanInterface(ctx, t, master, parent, "30")
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netName := "di-subinterface"
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net.CreateNoError(ctx, t, client, netName,
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net.WithIPvlan(parent, ""),
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)
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assert.Check(t, n.IsNetworkAvailable(ctx, client, netName))
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_, err := net.Create(ctx, client, netName,
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net.WithIPvlan(parent, ""),
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)
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// verify that the overlap returns an error
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assert.Check(t, err != nil)
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}
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func testIpvlanL2NilParent(t *testing.T, ctx context.Context, apiClient client.APIClient) {
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// ipvlan l2 mode - dummy parent interface is provisioned dynamically
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netName := "di-nil-parent"
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net.CreateNoError(ctx, t, apiClient, netName,
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net.WithIPvlan("", ""),
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)
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assert.Check(t, n.IsNetworkAvailable(ctx, apiClient, netName))
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id1 := container.Run(ctx, t, apiClient, container.WithNetworkMode(netName))
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id2 := container.Run(ctx, t, apiClient, container.WithNetworkMode(netName))
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_, err := container.Exec(ctx, apiClient, id2, []string{"ping", "-c", "1", id1})
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assert.NilError(t, err)
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}
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func testIpvlanL2InternalMode(t *testing.T, ctx context.Context, apiClient client.APIClient) {
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netName := "di-internal"
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net.CreateNoError(ctx, t, apiClient, netName,
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net.WithIPvlan("", ""),
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net.WithInternal(),
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)
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assert.Check(t, n.IsNetworkAvailable(ctx, apiClient, netName))
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id1 := container.Run(ctx, t, apiClient, container.WithNetworkMode(netName))
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id2 := container.Run(ctx, t, apiClient, container.WithNetworkMode(netName))
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result, _ := container.Exec(ctx, apiClient, id1, []string{"ping", "-c", "1", "8.8.8.8"})
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assert.Check(t, is.Contains(result.Combined(), "Network is unreachable"))
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_, err := container.Exec(ctx, apiClient, id2, []string{"ping", "-c", "1", id1})
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assert.NilError(t, err)
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}
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func testIpvlanL3NilParent(t *testing.T, ctx context.Context, apiClient client.APIClient) {
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netName := "di-nil-parent-l3"
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net.CreateNoError(ctx, t, apiClient, netName,
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net.WithIPvlan("", "l3"),
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net.WithIPAM("172.28.230.0/24", ""),
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net.WithIPAM("172.28.220.0/24", ""),
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)
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assert.Check(t, n.IsNetworkAvailable(ctx, apiClient, netName))
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id1 := container.Run(ctx, t, apiClient,
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container.WithNetworkMode(netName),
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container.WithIPv4(netName, "172.28.220.10"),
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)
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id2 := container.Run(ctx, t, apiClient,
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container.WithNetworkMode(netName),
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container.WithIPv4(netName, "172.28.230.10"),
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)
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_, err := container.Exec(ctx, apiClient, id2, []string{"ping", "-c", "1", id1})
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assert.NilError(t, err)
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}
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func testIpvlanL3InternalMode(t *testing.T, ctx context.Context, apiClient client.APIClient) {
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netName := "di-internal-l3"
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net.CreateNoError(ctx, t, apiClient, netName,
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net.WithIPvlan("", "l3"),
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net.WithInternal(),
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net.WithIPAM("172.28.230.0/24", ""),
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net.WithIPAM("172.28.220.0/24", ""),
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)
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assert.Check(t, n.IsNetworkAvailable(ctx, apiClient, netName))
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id1 := container.Run(ctx, t, apiClient,
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container.WithNetworkMode(netName),
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container.WithIPv4(netName, "172.28.220.10"),
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)
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id2 := container.Run(ctx, t, apiClient,
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container.WithNetworkMode(netName),
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container.WithIPv4(netName, "172.28.230.10"),
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)
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result, _ := container.Exec(ctx, apiClient, id1, []string{"ping", "-c", "1", "8.8.8.8"})
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assert.Check(t, is.Contains(result.Combined(), "Network is unreachable"))
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_, err := container.Exec(ctx, apiClient, id2, []string{"ping", "-c", "1", id1})
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assert.NilError(t, err)
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}
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func testIpvlanL2MultiSubnetWithParent(t *testing.T, ctx context.Context, apiClient client.APIClient) {
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const parentIfName = "di-dummy0"
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n.CreateMasterDummy(ctx, t, parentIfName)
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defer n.DeleteInterface(ctx, t, parentIfName)
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testIpvlanL2MultiSubnet(t, ctx, apiClient, parentIfName)
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}
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func testIpvlanL2MultiSubnetNoParent(t *testing.T, ctx context.Context, apiClient client.APIClient) {
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testIpvlanL2MultiSubnet(t, ctx, apiClient, "")
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}
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func testIpvlanL2MultiSubnet(t *testing.T, ctx context.Context, apiClient client.APIClient, parent string) {
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netName := "dualstackl2"
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net.CreateNoError(ctx, t, apiClient, netName,
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net.WithIPvlan(parent, ""),
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net.WithIPv6(),
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net.WithIPAM("172.28.200.0/24", ""),
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net.WithIPAM("172.28.202.0/24", "172.28.202.254"),
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net.WithIPAM("2001:db8:abc8::/64", ""),
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net.WithIPAM("2001:db8:abc6::/64", "2001:db8:abc6::254"),
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)
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assert.Check(t, n.IsNetworkAvailable(ctx, apiClient, 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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id1 := container.Run(ctx, t, apiClient,
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container.WithNetworkMode(netName),
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container.WithIPv4(netName, "172.28.200.20"),
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container.WithIPv6(netName, "2001:db8:abc8::20"),
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)
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id2 := container.Run(ctx, t, apiClient,
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container.WithNetworkMode(netName),
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container.WithIPv4(netName, "172.28.200.21"),
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container.WithIPv6(netName, "2001:db8:abc8::21"),
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)
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c1, err := apiClient.ContainerInspect(ctx, id1, client.ContainerInspectOptions{})
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assert.NilError(t, err)
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// Inspect the v4 gateway to ensure no default GW was assigned
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assert.Check(t, !c1.Container.NetworkSettings.Networks[netName].Gateway.IsValid())
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// Inspect the v6 gateway to ensure no default GW was assigned
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assert.Check(t, !c1.Container.NetworkSettings.Networks[netName].IPv6Gateway.IsValid())
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// verify ipv4 connectivity to the explicit --ip address second to first
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_, err = container.Exec(ctx, apiClient, id2, []string{"ping", "-c", "1", c1.Container.NetworkSettings.Networks[netName].IPAddress.String()})
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assert.NilError(t, err)
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// verify ipv6 connectivity to the explicit --ip6 address second to first
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_, err = container.Exec(ctx, apiClient, id2, []string{"ping6", "-c", "1", c1.Container.NetworkSettings.Networks[netName].GlobalIPv6Address.String()})
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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(ctx, t, apiClient,
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container.WithNetworkMode(netName),
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container.WithIPv4(netName, "172.28.202.20"),
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container.WithIPv6(netName, "2001:db8:abc6::20"),
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)
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id4 := container.Run(ctx, t, apiClient,
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container.WithNetworkMode(netName),
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container.WithIPv4(netName, "172.28.202.21"),
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container.WithIPv6(netName, "2001:db8:abc6::21"),
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)
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c3, err := apiClient.ContainerInspect(ctx, id3, client.ContainerInspectOptions{})
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assert.NilError(t, err)
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if parent == "" {
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// Inspect the v4 gateway to ensure no default GW was assigned
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assert.Check(t, !c3.Container.NetworkSettings.Networks[netName].Gateway.IsValid())
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// Inspect the v6 gateway to ensure no default GW was assigned
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assert.Check(t, !c3.Container.NetworkSettings.Networks[netName].IPv6Gateway.IsValid())
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} else {
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// Inspect the v4 gateway to ensure the proper explicitly assigned default GW was assigned
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assert.Check(t, is.Equal(c3.Container.NetworkSettings.Networks[netName].Gateway, netip.MustParseAddr("172.28.202.254")))
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// Inspect the v6 gateway to ensure the proper explicitly assigned default GW was assigned
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assert.Check(t, is.Equal(c3.Container.NetworkSettings.Networks[netName].IPv6Gateway, netip.MustParseAddr("2001:db8:abc6::254")))
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}
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// verify ipv4 connectivity to the explicit --ip address from third to fourth
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_, err = container.Exec(ctx, apiClient, id4, []string{"ping", "-c", "1", c3.Container.NetworkSettings.Networks[netName].IPAddress.String()})
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assert.NilError(t, err)
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// verify ipv6 connectivity to the explicit --ip6 address from third to fourth
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_, err = container.Exec(ctx, apiClient, id4, []string{"ping6", "-c", "1", c3.Container.NetworkSettings.Networks[netName].GlobalIPv6Address.String()})
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assert.NilError(t, err)
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}
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func testIpvlanL3MultiSubnet(t *testing.T, ctx context.Context, apiClient client.APIClient) {
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netName := "dualstackl3"
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net.CreateNoError(ctx, t, apiClient, netName,
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net.WithIPvlan("", "l3"),
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net.WithIPv6(),
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net.WithIPAM("172.28.10.0/24", ""),
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net.WithIPAM("172.28.12.0/24", "172.28.12.254"),
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net.WithIPAM("2001:db8:abc9::/64", ""),
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net.WithIPAM("2001:db8:abc7::/64", "2001:db8:abc7::254"),
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)
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assert.Check(t, n.IsNetworkAvailable(ctx, apiClient, 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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id1 := container.Run(ctx, t, apiClient,
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container.WithNetworkMode(netName),
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container.WithIPv4(netName, "172.28.10.20"),
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container.WithIPv6(netName, "2001:db8:abc9::20"),
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)
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id2 := container.Run(ctx, t, apiClient,
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container.WithNetworkMode(netName),
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container.WithIPv4(netName, "172.28.10.21"),
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container.WithIPv6(netName, "2001:db8:abc9::21"),
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)
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c1, err := apiClient.ContainerInspect(ctx, id1, client.ContainerInspectOptions{})
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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, apiClient, id2, []string{"ping", "-c", "1", c1.Container.NetworkSettings.Networks[netName].IPAddress.String()})
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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, apiClient, id2, []string{"ping6", "-c", "1", c1.Container.NetworkSettings.Networks[netName].GlobalIPv6Address.String()})
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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(ctx, t, apiClient,
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container.WithNetworkMode(netName),
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container.WithIPv4(netName, "172.28.12.20"),
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container.WithIPv6(netName, "2001:db8:abc7::20"),
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)
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id4 := container.Run(ctx, t, apiClient,
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container.WithNetworkMode(netName),
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container.WithIPv4(netName, "172.28.12.21"),
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container.WithIPv6(netName, "2001:db8:abc7::21"),
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)
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c3, err := apiClient.ContainerInspect(ctx, id3, client.ContainerInspectOptions{})
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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, apiClient, id4, []string{"ping", "-c", "1", c3.Container.NetworkSettings.Networks[netName].IPAddress.String()})
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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, apiClient, id4, []string{"ping6", "-c", "1", c3.Container.NetworkSettings.Networks[netName].GlobalIPv6Address.String()})
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assert.NilError(t, err)
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// Inspect the v4 gateway to ensure no next hop is assigned in L3 mode
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assert.Check(t, !c1.Container.NetworkSettings.Networks[netName].Gateway.IsValid())
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// Inspect the v6 gateway to ensure the explicitly specified default GW is ignored per L3 mode enabled
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assert.Check(t, !c1.Container.NetworkSettings.Networks[netName].IPv6Gateway.IsValid())
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// Inspect the v4 gateway to ensure no next hop is assigned in L3 mode
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assert.Check(t, !c3.Container.NetworkSettings.Networks[netName].Gateway.IsValid())
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// Inspect the v6 gateway to ensure the explicitly specified default GW is ignored per L3 mode enabled
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assert.Check(t, !c3.Container.NetworkSettings.Networks[netName].IPv6Gateway.IsValid())
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}
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// Verify ipvlan l2 mode sets the proper default gateway routes via netlink
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// for either an explicitly set route by the user or inferred via default IPAM
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func testIpvlanL2Addressing(t *testing.T, ctx context.Context, apiClient client.APIClient) {
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const parentIfName = "di-dummy0"
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n.CreateMasterDummy(ctx, t, parentIfName)
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defer n.DeleteInterface(ctx, t, parentIfName)
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netNameL2 := "dualstackl2"
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net.CreateNoError(ctx, t, apiClient, netNameL2,
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net.WithIPvlan(parentIfName, "l2"),
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net.WithIPv6(),
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net.WithIPAM("172.28.140.0/24", "172.28.140.254"),
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net.WithIPAM("2001:db8:abcb::/64", ""),
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)
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|
assert.Check(t, n.IsNetworkAvailable(ctx, apiClient, netNameL2))
|
|
|
|
id := container.Run(ctx, t, apiClient,
|
|
container.WithNetworkMode(netNameL2),
|
|
)
|
|
// Check the supplied IPv4 gateway address is used in a default route.
|
|
result, err := container.Exec(ctx, apiClient, id, []string{"ip", "route"})
|
|
assert.NilError(t, err)
|
|
assert.Check(t, is.Contains(result.Combined(), "default via 172.28.140.254 dev eth0"))
|
|
// No gateway address was supplied for IPv6, check that no default gateway was set up.
|
|
result, err = container.Exec(ctx, apiClient, id, []string{"ip", "-6", "route"})
|
|
assert.NilError(t, err)
|
|
assert.Check(t, !strings.Contains(result.Combined(), "default via"),
|
|
"result: %s", result.Combined())
|
|
}
|
|
|
|
// Validate ipvlan l3 mode sets the v4 gateway to dev eth0 and disregards any explicit or inferred next-hops
|
|
func testIpvlanL3Addressing(t *testing.T, ctx context.Context, apiClient client.APIClient) {
|
|
const parentIfName = "di-dummy0"
|
|
n.CreateMasterDummy(ctx, t, parentIfName)
|
|
defer n.DeleteInterface(ctx, t, parentIfName)
|
|
|
|
netNameL3 := "dualstackl3"
|
|
net.CreateNoError(ctx, t, apiClient, netNameL3,
|
|
net.WithIPvlan(parentIfName, "l3"),
|
|
net.WithIPv6(),
|
|
net.WithIPAM("172.28.160.0/24", "172.28.160.254"),
|
|
net.WithIPAM("2001:db8:abcd::/64", "2001:db8:abcd::254"),
|
|
)
|
|
assert.Check(t, n.IsNetworkAvailable(ctx, apiClient, netNameL3))
|
|
|
|
id := container.Run(ctx, t, apiClient,
|
|
container.WithNetworkMode(netNameL3),
|
|
)
|
|
// Validate ipvlan l3 mode sets the v4 gateway to dev eth0 and disregards any explicit or inferred next-hops
|
|
result, err := container.Exec(ctx, apiClient, id, []string{"ip", "route"})
|
|
assert.NilError(t, err)
|
|
assert.Check(t, is.Contains(result.Combined(), "default dev eth0"))
|
|
// Validate ipvlan l3 mode sets the v6 gateway to dev eth0 and disregards any explicit or inferred next-hops
|
|
result, err = container.Exec(ctx, apiClient, id, []string{"ip", "-6", "route"})
|
|
assert.NilError(t, err)
|
|
assert.Check(t, is.Contains(result.Combined(), "default dev eth0"))
|
|
}
|
|
|
|
// Check that an ipvlan interface with '--ipv6=false' doesn't get kernel-assigned
|
|
// IPv6 addresses, but the loopback interface does still have an IPv6 address ('::1').
|
|
// Also check that with '--ipv4=false', there's no IPAM-assigned IPv4 address.
|
|
func TestIpvlanIPAM(t *testing.T) {
|
|
skip.If(t, testEnv.IsRemoteDaemon)
|
|
skip.If(t, testEnv.IsRootless, "rootless mode has different view of network")
|
|
|
|
ctx := testutil.StartSpan(baseContext, t)
|
|
d := daemon.New(t)
|
|
d.StartWithBusybox(ctx, t)
|
|
defer d.Stop(t)
|
|
|
|
tests := []struct {
|
|
name string
|
|
apiVersion string
|
|
enableIPv4 bool
|
|
enableIPv6 bool
|
|
expIPv4 bool
|
|
}{
|
|
{
|
|
name: "dual stack",
|
|
enableIPv4: true,
|
|
enableIPv6: true,
|
|
},
|
|
{
|
|
name: "v4 only",
|
|
enableIPv4: true,
|
|
},
|
|
{
|
|
name: "v6 only",
|
|
enableIPv6: true,
|
|
},
|
|
{
|
|
name: "no ipam",
|
|
},
|
|
{
|
|
name: "enableIPv4 ignored",
|
|
apiVersion: "1.46",
|
|
enableIPv4: false,
|
|
expIPv4: true,
|
|
},
|
|
}
|
|
|
|
var (
|
|
subnetv4 = netip.MustParsePrefix("10.42.42.0/24")
|
|
subnetv6 = netip.MustParsePrefix("2001:db8:abcd::/64")
|
|
)
|
|
|
|
for _, tc := range tests {
|
|
t.Run(tc.name, func(t *testing.T) {
|
|
ctx := testutil.StartSpan(ctx, t)
|
|
c := d.NewClientT(t, client.WithAPIVersion(tc.apiVersion))
|
|
|
|
netOpts := []func(*client.NetworkCreateOptions){
|
|
net.WithIPvlan("", "l3"),
|
|
net.WithIPv4(tc.enableIPv4),
|
|
net.WithIPAMConfig(
|
|
network.IPAMConfig{
|
|
Subnet: subnetv4,
|
|
},
|
|
network.IPAMConfig{
|
|
Subnet: subnetv6,
|
|
IPRange: netip.MustParsePrefix("2001:db8:abcd::100/120"),
|
|
},
|
|
),
|
|
}
|
|
if tc.enableIPv6 {
|
|
netOpts = append(netOpts, net.WithIPv6())
|
|
}
|
|
|
|
const netName = "ipvlannet"
|
|
net.CreateNoError(ctx, t, c, netName, netOpts...)
|
|
defer c.NetworkRemove(ctx, netName, client.NetworkRemoveOptions{})
|
|
assert.Check(t, n.IsNetworkAvailable(ctx, c, netName))
|
|
|
|
id := container.Run(ctx, t, c, container.WithNetworkMode(netName))
|
|
defer c.ContainerRemove(ctx, id, client.ContainerRemoveOptions{Force: true})
|
|
|
|
loRes := container.ExecT(ctx, t, c, id, []string{"ip", "a", "show", "dev", "lo"})
|
|
assert.Check(t, is.Contains(loRes.Combined(), " inet "))
|
|
assert.Check(t, is.Contains(loRes.Combined(), " inet6 "))
|
|
|
|
wantSubnetStatus := make(map[netip.Prefix]network.SubnetStatus)
|
|
eth0Res := container.ExecT(ctx, t, c, id, []string{"ip", "a", "show", "dev", "eth0"})
|
|
if tc.enableIPv4 || tc.expIPv4 {
|
|
assert.Check(t, is.Contains(eth0Res.Combined(), " inet "),
|
|
"Expected IPv4 in: %s", eth0Res.Combined())
|
|
wantSubnetStatus[subnetv4] = network.SubnetStatus{
|
|
IPsInUse: 3, // network, broadcast, container
|
|
DynamicIPsAvailable: 253,
|
|
}
|
|
} else {
|
|
assert.Check(t, !strings.Contains(eth0Res.Combined(), " inet "),
|
|
"Expected no IPv4 in: %s", eth0Res.Combined())
|
|
}
|
|
if tc.enableIPv6 {
|
|
assert.Check(t, is.Contains(eth0Res.Combined(), " inet6 "),
|
|
"Expected IPv6 in: %s", eth0Res.Combined())
|
|
wantSubnetStatus[subnetv6] = network.SubnetStatus{
|
|
IPsInUse: 2, // subnet-router anycast, container
|
|
DynamicIPsAvailable: 255,
|
|
}
|
|
} else {
|
|
assert.Check(t, !strings.Contains(eth0Res.Combined(), " inet6 "),
|
|
"Expected no IPv6 in: %s", eth0Res.Combined())
|
|
}
|
|
|
|
sysctlRes := container.ExecT(ctx, t, c, id, []string{"sysctl", "-n", "net.ipv6.conf.eth0.disable_ipv6"})
|
|
expDisableIPv6 := "1"
|
|
if tc.enableIPv6 {
|
|
expDisableIPv6 = "0"
|
|
}
|
|
assert.Check(t, is.Equal(strings.TrimSpace(sysctlRes.Combined()), expDisableIPv6))
|
|
|
|
cc := d.NewClientT(t, client.WithAPIVersion("1.52"))
|
|
res, err := cc.NetworkInspect(ctx, netName, client.NetworkInspectOptions{})
|
|
if assert.Check(t, err) && assert.Check(t, res.Network.Status != nil) {
|
|
assert.Check(t, is.DeepEqual(wantSubnetStatus, res.Network.Status.IPAM.Subnets, cmpopts.EquateEmpty()))
|
|
}
|
|
cc.Close()
|
|
cc = d.NewClientT(t, client.WithAPIVersion("1.51"))
|
|
res, err = cc.NetworkInspect(ctx, netName, client.NetworkInspectOptions{})
|
|
assert.Check(t, err)
|
|
assert.Check(t, res.Network.Status == nil)
|
|
cc.Close()
|
|
})
|
|
}
|
|
}
|
|
|
|
// IPVLAN networks are allowed to be assigned IPAM subnets that overlap with
|
|
// other IPVLAN networks' IPAM subnets. But no two IPVLAN endpoints may be
|
|
// assigned the same address, even when the endpoints are attached to different
|
|
// networks. The assignment of an address to an endpoint on one network may
|
|
// therefore reduce the number of available addresses to assign to other
|
|
// networks' endpoints.
|
|
func TestIpvlanIPAMOverlap(t *testing.T) {
|
|
skip.If(t, testEnv.IsRemoteDaemon)
|
|
skip.If(t, testEnv.IsRootless, "rootless mode has different view of network")
|
|
|
|
ctx := testutil.StartSpan(baseContext, t)
|
|
d := daemon.New(t)
|
|
d.StartWithBusybox(ctx, t)
|
|
defer d.Stop(t)
|
|
|
|
c := d.NewClientT(t)
|
|
|
|
checkNetworkIPAMState := func(networkID string, want map[netip.Prefix]network.SubnetStatus) bool {
|
|
t.Helper()
|
|
res, err := c.NetworkInspect(ctx, networkID, client.NetworkInspectOptions{})
|
|
if assert.Check(t, err) && assert.Check(t, res.Network.Status != nil) {
|
|
return assert.Check(t, is.DeepEqual(want, res.Network.Status.IPAM.Subnets, cmpopts.EquateEmpty()))
|
|
}
|
|
return false
|
|
}
|
|
|
|
// Create three networks with joined and overlapped IPAM ranges
|
|
// and verify that the IPAM state is correct
|
|
|
|
const (
|
|
netName1 = "ipvlannet1"
|
|
netName2 = "ipvlannet2"
|
|
netName3 = "ipvlannet3"
|
|
)
|
|
cidrv4 := netip.MustParsePrefix("192.168.0.0/24")
|
|
cidrv6 := netip.MustParsePrefix("2001:db8:abcd::/64")
|
|
|
|
net.CreateNoError(ctx, t, c, netName1,
|
|
net.WithIPvlan("", "l3"),
|
|
net.WithIPv6(),
|
|
net.WithIPAMConfig(
|
|
network.IPAMConfig{
|
|
Subnet: cidrv4,
|
|
IPRange: netip.MustParsePrefix("192.168.0.0/25"),
|
|
Gateway: netip.MustParseAddr("192.168.0.1"),
|
|
AuxAddress: map[string]netip.Addr{
|
|
"reserved": netip.MustParseAddr("192.168.0.100"),
|
|
},
|
|
},
|
|
network.IPAMConfig{
|
|
Subnet: cidrv6,
|
|
IPRange: netip.MustParsePrefix("2001:db8:abcd::/124"),
|
|
},
|
|
),
|
|
)
|
|
defer c.NetworkRemove(ctx, netName1, client.NetworkRemoveOptions{})
|
|
assert.Check(t, n.IsNetworkAvailable(ctx, c, netName1))
|
|
|
|
checkNetworkIPAMState(netName1, map[netip.Prefix]network.SubnetStatus{
|
|
cidrv4: {
|
|
IPsInUse: 4,
|
|
DynamicIPsAvailable: 125,
|
|
},
|
|
cidrv6: {
|
|
IPsInUse: 1,
|
|
DynamicIPsAvailable: 15,
|
|
},
|
|
})
|
|
|
|
net.CreateNoError(ctx, t, c, netName2,
|
|
net.WithIPvlan("", "l3"),
|
|
net.WithIPv6(),
|
|
net.WithIPAMConfig(
|
|
network.IPAMConfig{
|
|
Subnet: cidrv4,
|
|
IPRange: netip.MustParsePrefix("192.168.0.0/24"),
|
|
},
|
|
network.IPAMConfig{
|
|
Subnet: cidrv6,
|
|
IPRange: netip.MustParsePrefix("2001:db8:abcd::/120"),
|
|
},
|
|
),
|
|
)
|
|
|
|
defer c.NetworkRemove(ctx, netName2, client.NetworkRemoveOptions{})
|
|
assert.Check(t, n.IsNetworkAvailable(ctx, c, netName2))
|
|
|
|
checkNetworkIPAMState(netName2, map[netip.Prefix]network.SubnetStatus{
|
|
cidrv4: {
|
|
IPsInUse: 4,
|
|
DynamicIPsAvailable: 252,
|
|
},
|
|
cidrv6: {
|
|
IPsInUse: 1,
|
|
DynamicIPsAvailable: 255,
|
|
},
|
|
})
|
|
|
|
net.CreateNoError(ctx, t, c, netName3,
|
|
net.WithIPvlan("", "l3"),
|
|
net.WithIPv6(),
|
|
net.WithIPAMConfig(
|
|
network.IPAMConfig{
|
|
Subnet: cidrv4,
|
|
IPRange: netip.MustParsePrefix("192.168.0.128/25"),
|
|
},
|
|
network.IPAMConfig{
|
|
Subnet: cidrv6,
|
|
IPRange: netip.MustParsePrefix("2001:db8:abcd::80/124"),
|
|
},
|
|
),
|
|
)
|
|
|
|
defer c.NetworkRemove(ctx, netName3, client.NetworkRemoveOptions{})
|
|
assert.Check(t, n.IsNetworkAvailable(ctx, c, netName3))
|
|
|
|
checkNetworkIPAMState(netName3, map[netip.Prefix]network.SubnetStatus{
|
|
cidrv4: {
|
|
IPsInUse: 4,
|
|
DynamicIPsAvailable: 127,
|
|
},
|
|
cidrv6: {
|
|
IPsInUse: 1,
|
|
DynamicIPsAvailable: 16,
|
|
},
|
|
})
|
|
|
|
// Create a container on one of the networks
|
|
id := container.Run(ctx, t, c, container.WithNetworkMode(netName1))
|
|
defer c.ContainerRemove(ctx, id, client.ContainerRemoveOptions{Force: true})
|
|
|
|
// Verify that the IPAM status of all three networks are affected.
|
|
checkNetworkIPAMState(netName1, map[netip.Prefix]network.SubnetStatus{
|
|
cidrv4: {
|
|
IPsInUse: 5,
|
|
DynamicIPsAvailable: 124,
|
|
},
|
|
cidrv6: {
|
|
IPsInUse: 2,
|
|
DynamicIPsAvailable: 14,
|
|
},
|
|
})
|
|
|
|
checkNetworkIPAMState(netName2, map[netip.Prefix]network.SubnetStatus{
|
|
cidrv4: {
|
|
IPsInUse: 5,
|
|
DynamicIPsAvailable: 251,
|
|
},
|
|
cidrv6: {
|
|
IPsInUse: 2,
|
|
DynamicIPsAvailable: 254,
|
|
},
|
|
})
|
|
|
|
checkNetworkIPAMState(netName3, map[netip.Prefix]network.SubnetStatus{
|
|
cidrv4: {
|
|
IPsInUse: 5,
|
|
DynamicIPsAvailable: 127,
|
|
},
|
|
cidrv6: {
|
|
IPsInUse: 2,
|
|
DynamicIPsAvailable: 16,
|
|
},
|
|
})
|
|
}
|
|
|
|
// TestIPVlanDNS checks whether DNS is forwarded, for combinations of l2/l3 mode,
|
|
// with/without a parent interface, and with '--internal'. Note that, there's no
|
|
// attempt here to give the ipvlan network external connectivity - when this test
|
|
// supplies a parent interface, it's a dummy. External DNS lookups only work
|
|
// because the daemon is configured to see a host resolver on a loopback
|
|
// interface, so the external DNS lookup happens in the host's namespace. The
|
|
// test is checking that an automatically configured dummy interface causes the
|
|
// network to behave as if it was '--internal'. Regression test for
|
|
// https://github.com/moby/moby/issues/47662
|
|
func TestIPVlanDNS(t *testing.T) {
|
|
skip.If(t, testEnv.IsRootless, "rootless mode has different view of network")
|
|
ctx := testutil.StartSpan(baseContext, t)
|
|
|
|
net.StartDaftDNS(t, "127.0.0.1")
|
|
|
|
d := daemon.New(t, daemon.WithResolvConf(net.GenResolvConf("127.0.0.1")))
|
|
d.StartWithBusybox(ctx, t)
|
|
t.Cleanup(func() { d.Stop(t) })
|
|
c := d.NewClientT(t)
|
|
|
|
const parentIfName = "di-dummy0"
|
|
n.CreateMasterDummy(ctx, t, parentIfName)
|
|
defer n.DeleteInterface(ctx, t, parentIfName)
|
|
|
|
const netName = "ipvlan-dns-net"
|
|
|
|
tests := []struct {
|
|
name string
|
|
parent string
|
|
internal bool
|
|
expDNS bool
|
|
}{
|
|
{
|
|
name: "with parent",
|
|
parent: parentIfName,
|
|
// External DNS should be used (even though the network has no external connectivity).
|
|
expDNS: true,
|
|
},
|
|
{
|
|
name: "no parent",
|
|
// External DNS should not be used, equivalent to '--internal'.
|
|
},
|
|
{
|
|
name: "with parent, internal",
|
|
parent: parentIfName,
|
|
internal: true,
|
|
// External DNS should not be used.
|
|
},
|
|
}
|
|
|
|
for _, mode := range []string{"l2", "l3"} {
|
|
for _, tc := range tests {
|
|
name := fmt.Sprintf("Mode=%v/HasParent=%v/Internal=%v", mode, tc.parent != "", tc.internal)
|
|
t.Run(name, func(t *testing.T) {
|
|
ctx := testutil.StartSpan(ctx, t)
|
|
createOpts := []func(*client.NetworkCreateOptions){
|
|
net.WithIPvlan(tc.parent, mode),
|
|
}
|
|
if tc.internal {
|
|
createOpts = append(createOpts, net.WithInternal())
|
|
}
|
|
net.CreateNoError(ctx, t, c, netName, createOpts...)
|
|
defer c.NetworkRemove(ctx, netName, client.NetworkRemoveOptions{})
|
|
|
|
ctrId := container.Run(ctx, t, c, container.WithNetworkMode(netName))
|
|
defer c.ContainerRemove(ctx, ctrId, client.ContainerRemoveOptions{Force: true})
|
|
res, err := container.Exec(ctx, c, ctrId, []string{"nslookup", "test.example"})
|
|
assert.NilError(t, err)
|
|
if tc.expDNS {
|
|
assert.Check(t, is.Equal(res.ExitCode, 0))
|
|
assert.Check(t, is.Contains(res.Stdout(), net.DNSRespAddr))
|
|
} else {
|
|
assert.Check(t, is.Equal(res.ExitCode, 1))
|
|
assert.Check(t, is.Contains(res.Stdout(), "SERVFAIL"))
|
|
}
|
|
})
|
|
}
|
|
}
|
|
}
|
|
|
|
// TestPointToPoint checks that no gateway is reserved for an ipvlan network unless needed.
|
|
func TestPointToPoint(t *testing.T) {
|
|
skip.If(t, testEnv.IsRootless, "can't see dummy parent interface from rootless netns")
|
|
|
|
ctx := testutil.StartSpan(baseContext, t)
|
|
apiClient := testEnv.APIClient()
|
|
|
|
const parentIfname = "di-dummy0"
|
|
n.CreateMasterDummy(ctx, t, parentIfname)
|
|
defer n.DeleteInterface(ctx, t, parentIfname)
|
|
|
|
tests := []struct {
|
|
name string
|
|
parent string
|
|
mode string
|
|
}{
|
|
{
|
|
// An ipvlan network with no parent interface is "internal".
|
|
name: "internal",
|
|
mode: "l2",
|
|
},
|
|
{
|
|
// An L3 ipvlan does not need a gateway, because it's L3 (so, can't
|
|
// resolve a next-hop address). A "/31" ipvlan with two containers
|
|
// may not be particularly useful, but the check is that no address is
|
|
// reserved for a gateway in an L3 network.
|
|
name: "l3",
|
|
parent: parentIfname,
|
|
mode: "l3",
|
|
},
|
|
{
|
|
name: "l3s",
|
|
parent: parentIfname,
|
|
mode: "l3s",
|
|
},
|
|
}
|
|
|
|
for _, tc := range tests {
|
|
t.Run(tc.name, func(t *testing.T) {
|
|
ctx := testutil.StartSpan(ctx, t)
|
|
const netName = "p2pipvlan"
|
|
net.CreateNoError(ctx, t, apiClient, netName,
|
|
net.WithIPvlan(tc.parent, tc.mode),
|
|
net.WithIPAM("192.168.135.0/31", ""),
|
|
)
|
|
defer net.RemoveNoError(ctx, t, apiClient, netName)
|
|
|
|
const ctrName = "ctr1"
|
|
id := container.Run(ctx, t, apiClient,
|
|
container.WithNetworkMode(netName),
|
|
container.WithName(ctrName),
|
|
)
|
|
defer apiClient.ContainerRemove(ctx, id, client.ContainerRemoveOptions{Force: true})
|
|
|
|
attachCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
|
|
defer cancel()
|
|
res := container.RunAttach(attachCtx, t, apiClient,
|
|
container.WithCmd([]string{"ping", "-c1", "-W3", ctrName}...),
|
|
container.WithNetworkMode(netName),
|
|
)
|
|
defer apiClient.ContainerRemove(ctx, res.ContainerID, client.ContainerRemoveOptions{Force: true})
|
|
assert.Check(t, is.Equal(res.ExitCode, 0))
|
|
assert.Check(t, is.Equal(res.Stderr.Len(), 0))
|
|
assert.Check(t, is.Contains(res.Stdout.String(), "1 packets transmitted, 1 packets received"))
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestEndpointWithCustomIfname(t *testing.T) {
|
|
skip.If(t, testEnv.IsRemoteDaemon)
|
|
skip.If(t, testEnv.IsRootless, "rootless mode has different view of network")
|
|
|
|
ctx := setupTest(t)
|
|
apiClient := testEnv.APIClient()
|
|
|
|
// master dummy interface 'di' notation represent 'docker ipvlan'
|
|
const master = "di-dummy0"
|
|
n.CreateMasterDummy(ctx, t, master)
|
|
defer n.DeleteInterface(ctx, t, master)
|
|
|
|
// create a network specifying the desired sub-interface name
|
|
const netName = "ipvlan-custom-ifname"
|
|
net.CreateNoError(ctx, t, apiClient, netName, net.WithIPvlan("di-dummy0.70", ""))
|
|
|
|
ctrID := container.Run(ctx, t, apiClient,
|
|
container.WithCmd("ip", "-o", "link", "show", "foobar"),
|
|
container.WithEndpointSettings(netName, &network.EndpointSettings{
|
|
DriverOpts: map[string]string{
|
|
netlabel.Ifname: "foobar",
|
|
},
|
|
}))
|
|
defer container.Remove(ctx, t, apiClient, ctrID, client.ContainerRemoveOptions{Force: true})
|
|
|
|
out, err := container.Output(ctx, apiClient, ctrID)
|
|
assert.NilError(t, err)
|
|
assert.Assert(t, strings.Contains(out.Stdout, ": foobar@if"), "expected ': foobar@if' in 'ip link show':\n%s", out.Stdout)
|
|
}
|