1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
|
// +build !windows
package macvlan // import "github.com/docker/docker/integration/network/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/testutil/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)
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(context.Background(), t, 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)
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: "MultiSubnet",
test: testMacvlanMultiSubnet,
}, {
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(context.Background(), t, 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(context.Background(), t, 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(context.Background(), t, client, netName,
net.WithMacvlan(""),
)
assert.Check(t, n.IsNetworkAvailable(client, netName))
ctx := context.Background()
id1 := container.Run(ctx, t, client, container.WithNetworkMode(netName))
id2 := container.Run(ctx, t, 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(context.Background(), t, client, netName,
net.WithMacvlan(""),
net.WithInternal(),
)
assert.Check(t, n.IsNetworkAvailable(client, netName))
ctx := context.Background()
id1 := container.Run(ctx, t, client, container.WithNetworkMode(netName))
id2 := container.Run(ctx, t, 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(context.Background(), t, 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(ctx, t, client,
container.WithNetworkMode("dualstackbridge"),
container.WithIPv4("dualstackbridge", "172.28.100.20"),
container.WithIPv6("dualstackbridge", "2001:db8:abc2::20"),
)
id2 := container.Run(ctx, t, 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(ctx, t, client,
container.WithNetworkMode("dualstackbridge"),
container.WithIPv4("dualstackbridge", "172.28.102.20"),
container.WithIPv6("dualstackbridge", "2001:db8:abc4::20"),
)
id4 := container.Run(ctx, t, 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(context.Background(), t, 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(ctx, t, 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"))
}
}
|
