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moby--moby/integration/network/macvlan/macvlan_test.go
Sebastiaan van Stijn a3948d17d3
Improve consistency in "skip"
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2019-01-07 13:56:46 +01:00

278 lines
9.9 KiB
Go

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