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
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
|
package integration
import (
"encoding/json"
"net"
"os"
"github.com/containers/common/libnetwork/types"
. "github.com/containers/podman/v4/test/utils"
"github.com/containers/storage/pkg/stringid"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
. "github.com/onsi/gomega/gexec"
)
func removeNetworkDevice(name string) {
session := SystemExec("ip", []string{"link", "delete", name})
session.WaitWithDefaultTimeout()
}
var _ = Describe("Podman network create", func() {
var (
tempdir string
err error
podmanTest *PodmanTestIntegration
)
BeforeEach(func() {
tempdir, err = CreateTempDirInTempDir()
if err != nil {
os.Exit(1)
}
podmanTest = PodmanTestCreate(tempdir)
podmanTest.Setup()
podmanTest.SeedImages()
})
AfterEach(func() {
podmanTest.Cleanup()
f := CurrentGinkgoTestDescription()
processTestResult(f)
})
It("podman network create with name and subnet", func() {
netName := "subnet-" + stringid.GenerateNonCryptoID()
nc := podmanTest.Podman([]string{"network", "create", "--subnet", "10.11.12.0/24", "--ip-range", "10.11.12.0/26", netName})
nc.WaitWithDefaultTimeout()
defer podmanTest.removeCNINetwork(netName)
Expect(nc).Should(Exit(0))
// Inspect the network configuration
inspect := podmanTest.Podman([]string{"network", "inspect", netName})
inspect.WaitWithDefaultTimeout()
Expect(inspect).Should(Exit(0))
// JSON the network configuration into something usable
var results []types.Network
err := json.Unmarshal([]byte(inspect.OutputToString()), &results)
Expect(err).To(BeNil())
Expect(results).To(HaveLen(1))
result := results[0]
Expect(result.Name).To(Equal(netName))
Expect(result.Subnets).To(HaveLen(1))
Expect(result.Subnets[0].Subnet.String()).To(Equal("10.11.12.0/24"))
Expect(result.Subnets[0].Gateway.String()).To(Equal("10.11.12.1"))
Expect(result.Subnets[0].LeaseRange).ToNot(BeNil())
Expect(result.Subnets[0].LeaseRange.StartIP.String()).To(Equal("10.11.12.1"))
Expect(result.Subnets[0].LeaseRange.EndIP.String()).To(Equal("10.11.12.63"))
// Once a container executes a new network, the nic will be created. We should clean those up
// best we can
defer removeNetworkDevice(result.NetworkInterface)
try := podmanTest.Podman([]string{"run", "-it", "--rm", "--network", netName, ALPINE, "sh", "-c", "ip addr show eth0 | awk ' /inet / {print $2}'"})
try.WaitWithDefaultTimeout()
Expect(try).To(Exit(0))
_, subnet, err := net.ParseCIDR("10.11.12.0/24")
Expect(err).To(BeNil())
// Note this is an IPv4 test only!
containerIP, _, err := net.ParseCIDR(try.OutputToString())
Expect(err).To(BeNil())
// Ensure that the IP the container got is within the subnet the user asked for
Expect(subnet.Contains(containerIP)).To(BeTrue())
})
It("podman network create with name and IPv6 subnet", func() {
netName := "ipv6-" + stringid.GenerateNonCryptoID()
nc := podmanTest.Podman([]string{"network", "create", "--subnet", "fd00:1:2:3:4::/64", netName})
nc.WaitWithDefaultTimeout()
defer podmanTest.removeCNINetwork(netName)
Expect(nc).Should(Exit(0))
// Inspect the network configuration
inspect := podmanTest.Podman([]string{"network", "inspect", netName})
inspect.WaitWithDefaultTimeout()
Expect(inspect).Should(Exit(0))
// JSON the network configuration into something usable
var results []types.Network
err := json.Unmarshal([]byte(inspect.OutputToString()), &results)
Expect(err).To(BeNil())
Expect(results).To(HaveLen(1))
result := results[0]
Expect(result.Name).To(Equal(netName))
Expect(result.Subnets).To(HaveLen(1))
Expect(result.Subnets[0].Gateway.String()).To(Equal("fd00:1:2:3::1"))
Expect(result.Subnets[0].Subnet.String()).To(Equal("fd00:1:2:3::/64"))
// Once a container executes a new network, the nic will be created. We should clean those up
// best we can
defer removeNetworkDevice(result.NetworkInterface)
try := podmanTest.Podman([]string{"run", "-it", "--rm", "--network", netName, ALPINE, "sh", "-c", "ip addr show eth0 | grep global | awk ' /inet6 / {print $2}'"})
try.WaitWithDefaultTimeout()
Expect(try).To(Exit(0))
_, subnet, err := net.ParseCIDR("fd00:1:2:3:4::/64")
Expect(err).To(BeNil())
containerIP, _, err := net.ParseCIDR(try.OutputToString())
Expect(err).To(BeNil())
// Ensure that the IP the container got is within the subnet the user asked for
Expect(subnet.Contains(containerIP)).To(BeTrue())
})
It("podman network create with name and IPv6 flag (dual-stack)", func() {
netName := "dual-" + stringid.GenerateNonCryptoID()
nc := podmanTest.Podman([]string{"network", "create", "--subnet", "fd00:4:3:2::/64", "--ipv6", netName})
nc.WaitWithDefaultTimeout()
defer podmanTest.removeCNINetwork(netName)
Expect(nc).Should(Exit(0))
// Inspect the network configuration
inspect := podmanTest.Podman([]string{"network", "inspect", netName})
inspect.WaitWithDefaultTimeout()
Expect(inspect).Should(Exit(0))
// JSON the network configuration into something usable
var results []types.Network
err := json.Unmarshal([]byte(inspect.OutputToString()), &results)
Expect(err).To(BeNil())
Expect(results).To(HaveLen(1))
result := results[0]
Expect(result.Name).To(Equal(netName))
Expect(result.Subnets).To(HaveLen(2))
Expect(result.Subnets[0].Subnet.IP).ToNot(BeNil())
Expect(result.Subnets[1].Subnet.IP).ToNot(BeNil())
_, subnet11, err := net.ParseCIDR(result.Subnets[0].Subnet.String())
Expect(err).To(BeNil())
_, subnet12, err := net.ParseCIDR(result.Subnets[1].Subnet.String())
Expect(err).To(BeNil())
// Once a container executes a new network, the nic will be created. We should clean those up
// best we can
defer removeNetworkDevice(result.NetworkInterface)
// create a second network to check the auto assigned ipv4 subnet does not overlap
// https://github.com/containers/podman/issues/11032
netName2 := "dual-" + stringid.GenerateNonCryptoID()
nc = podmanTest.Podman([]string{"network", "create", "--subnet", "fd00:10:3:2::/64", "--ipv6", netName2})
nc.WaitWithDefaultTimeout()
defer podmanTest.removeCNINetwork(netName2)
Expect(nc).Should(Exit(0))
// Inspect the network configuration
inspect = podmanTest.Podman([]string{"network", "inspect", netName2})
inspect.WaitWithDefaultTimeout()
Expect(inspect).Should(Exit(0))
// JSON the network configuration into something usable
err = json.Unmarshal([]byte(inspect.OutputToString()), &results)
Expect(err).To(BeNil())
Expect(results).To(HaveLen(1))
result = results[0]
Expect(result.Name).To(Equal(netName2))
Expect(result.Subnets).To(HaveLen(2))
Expect(result.Subnets[0].Subnet.IP).ToNot(BeNil())
Expect(result.Subnets[1].Subnet.IP).ToNot(BeNil())
_, subnet21, err := net.ParseCIDR(result.Subnets[0].Subnet.String())
Expect(err).To(BeNil())
_, subnet22, err := net.ParseCIDR(result.Subnets[1].Subnet.String())
Expect(err).To(BeNil())
// check that the subnets do not overlap
Expect(subnet11.Contains(subnet21.IP)).To(BeFalse())
Expect(subnet12.Contains(subnet22.IP)).To(BeFalse())
try := podmanTest.Podman([]string{"run", "-it", "--rm", "--network", netName, ALPINE, "sh", "-c", "ip addr show eth0 | grep global | awk ' /inet6 / {print $2}'"})
try.WaitWithDefaultTimeout()
_, subnet, err := net.ParseCIDR("fd00:4:3:2:1::/64")
Expect(err).To(BeNil())
containerIP, _, err := net.ParseCIDR(try.OutputToString())
Expect(err).To(BeNil())
// Ensure that the IP the container got is within the subnet the user asked for
Expect(subnet.Contains(containerIP)).To(BeTrue())
// verify the container has an IPv4 address too (the IPv4 subnet is autogenerated)
try = podmanTest.Podman([]string{"run", "-it", "--rm", "--network", netName, ALPINE, "sh", "-c", "ip addr show eth0 | awk ' /inet / {print $2}'"})
try.WaitWithDefaultTimeout()
containerIP, _, err = net.ParseCIDR(try.OutputToString())
Expect(err).To(BeNil())
Expect(containerIP.To4()).To(Not(BeNil()))
})
It("podman network create with invalid subnet", func() {
nc := podmanTest.Podman([]string{"network", "create", "--subnet", "10.11.12.0/17000", stringid.GenerateNonCryptoID()})
nc.WaitWithDefaultTimeout()
Expect(nc).To(ExitWithError())
})
It("podman network create with ipv4 subnet and ipv6 flag", func() {
name := stringid.GenerateNonCryptoID()
nc := podmanTest.Podman([]string{"network", "create", "--subnet", "10.11.12.0/24", "--ipv6", name})
nc.WaitWithDefaultTimeout()
Expect(nc).To(Exit(0))
defer podmanTest.removeCNINetwork(name)
nc = podmanTest.Podman([]string{"network", "inspect", name})
nc.WaitWithDefaultTimeout()
Expect(nc).To(Exit(0))
Expect(nc.OutputToString()).To(ContainSubstring(`::/64`))
Expect(nc.OutputToString()).To(ContainSubstring(`10.11.12.0/24`))
})
It("podman network create with empty subnet and ipv6 flag", func() {
name := stringid.GenerateNonCryptoID()
nc := podmanTest.Podman([]string{"network", "create", "--ipv6", name})
nc.WaitWithDefaultTimeout()
Expect(nc).To(Exit(0))
defer podmanTest.removeCNINetwork(name)
nc = podmanTest.Podman([]string{"network", "inspect", name})
nc.WaitWithDefaultTimeout()
Expect(nc).To(Exit(0))
Expect(nc.OutputToString()).To(ContainSubstring(`::/64`))
Expect(nc.OutputToString()).To(ContainSubstring(`.0/24`))
})
It("podman network create with invalid IP", func() {
nc := podmanTest.Podman([]string{"network", "create", "--subnet", "10.11.0/17000", stringid.GenerateNonCryptoID()})
nc.WaitWithDefaultTimeout()
Expect(nc).To(ExitWithError())
})
It("podman network create with invalid gateway for subnet", func() {
nc := podmanTest.Podman([]string{"network", "create", "--subnet", "10.11.12.0/24", "--gateway", "192.168.1.1", stringid.GenerateNonCryptoID()})
nc.WaitWithDefaultTimeout()
Expect(nc).To(ExitWithError())
})
It("podman network create two networks with same name should fail", func() {
netName := "same-" + stringid.GenerateNonCryptoID()
nc := podmanTest.Podman([]string{"network", "create", netName})
nc.WaitWithDefaultTimeout()
defer podmanTest.removeCNINetwork(netName)
Expect(nc).Should(Exit(0))
ncFail := podmanTest.Podman([]string{"network", "create", netName})
ncFail.WaitWithDefaultTimeout()
Expect(ncFail).To(ExitWithError())
})
It("podman network create two networks with same subnet should fail", func() {
netName1 := "sub1-" + stringid.GenerateNonCryptoID()
nc := podmanTest.Podman([]string{"network", "create", "--subnet", "10.11.13.0/24", netName1})
nc.WaitWithDefaultTimeout()
defer podmanTest.removeCNINetwork(netName1)
Expect(nc).Should(Exit(0))
netName2 := "sub2-" + stringid.GenerateNonCryptoID()
ncFail := podmanTest.Podman([]string{"network", "create", "--subnet", "10.11.13.0/24", netName2})
ncFail.WaitWithDefaultTimeout()
defer podmanTest.removeCNINetwork(netName2)
Expect(ncFail).To(ExitWithError())
})
It("podman network create two IPv6 networks with same subnet should fail", func() {
netName1 := "subipv61-" + stringid.GenerateNonCryptoID()
nc := podmanTest.Podman([]string{"network", "create", "--subnet", "fd00:4:4:4:4::/64", "--ipv6", netName1})
nc.WaitWithDefaultTimeout()
defer podmanTest.removeCNINetwork(netName1)
Expect(nc).Should(Exit(0))
netName2 := "subipv62-" + stringid.GenerateNonCryptoID()
ncFail := podmanTest.Podman([]string{"network", "create", "--subnet", "fd00:4:4:4:4::/64", "--ipv6", netName2})
ncFail.WaitWithDefaultTimeout()
defer podmanTest.removeCNINetwork(netName2)
Expect(ncFail).To(ExitWithError())
})
It("podman network create with invalid network name", func() {
nc := podmanTest.Podman([]string{"network", "create", "foo "})
nc.WaitWithDefaultTimeout()
Expect(nc).To(ExitWithError())
})
It("podman network create with mtu option", func() {
net := "mtu-test" + stringid.GenerateNonCryptoID()
nc := podmanTest.Podman([]string{"network", "create", "--opt", "mtu=9000", net})
nc.WaitWithDefaultTimeout()
defer podmanTest.removeCNINetwork(net)
Expect(nc).Should(Exit(0))
nc = podmanTest.Podman([]string{"network", "inspect", net})
nc.WaitWithDefaultTimeout()
Expect(nc).Should(Exit(0))
Expect(nc.OutputToString()).To(ContainSubstring(`"mtu": "9000"`))
})
It("podman network create with vlan option", func() {
net := "vlan-test" + stringid.GenerateNonCryptoID()
nc := podmanTest.Podman([]string{"network", "create", "--opt", "vlan=9", net})
nc.WaitWithDefaultTimeout()
defer podmanTest.removeCNINetwork(net)
Expect(nc).Should(Exit(0))
nc = podmanTest.Podman([]string{"network", "inspect", net})
nc.WaitWithDefaultTimeout()
Expect(nc).Should(Exit(0))
Expect(nc.OutputToString()).To(ContainSubstring(`"vlan": "9"`))
})
It("podman network create with invalid option", func() {
net := "invalid-test" + stringid.GenerateNonCryptoID()
nc := podmanTest.Podman([]string{"network", "create", "--opt", "foo=bar", net})
nc.WaitWithDefaultTimeout()
defer podmanTest.removeCNINetwork(net)
Expect(nc).To(ExitWithError())
})
It("podman network create with internal should not have dnsname", func() {
net := "internal-test" + stringid.GenerateNonCryptoID()
nc := podmanTest.Podman([]string{"network", "create", "--internal", net})
nc.WaitWithDefaultTimeout()
defer podmanTest.removeCNINetwork(net)
Expect(nc).Should(Exit(0))
// Not performing this check on remote tests because it is a logrus error which does
// not come back via stderr on the remote client.
if !IsRemote() {
Expect(nc.ErrorToString()).To(ContainSubstring("dnsname and internal networks are incompatible"))
}
nc = podmanTest.Podman([]string{"network", "inspect", net})
nc.WaitWithDefaultTimeout()
Expect(nc).Should(Exit(0))
Expect(nc.OutputToString()).ToNot(ContainSubstring("dnsname"))
})
It("podman network create with invalid name", func() {
for _, name := range []string{"none", "host", "bridge", "private", "slirp4netns", "container", "ns"} {
nc := podmanTest.Podman([]string{"network", "create", name})
nc.WaitWithDefaultTimeout()
Expect(nc).To(Exit(125))
Expect(nc.ErrorToString()).To(ContainSubstring("cannot create network with name %q because it conflicts with a valid network mode", name))
}
})
It("podman network create with multiple subnets", func() {
name := "subnets-" + stringid.GenerateNonCryptoID()
subnet1 := "10.10.0.0/24"
subnet2 := "10.10.1.0/24"
nc := podmanTest.Podman([]string{"network", "create", "--subnet", subnet1, "--subnet", subnet2, name})
nc.WaitWithDefaultTimeout()
defer podmanTest.removeCNINetwork(name)
Expect(nc).To(Exit(0))
Expect(nc.OutputToString()).To(Equal(name))
inspect := podmanTest.Podman([]string{"network", "inspect", name})
inspect.WaitWithDefaultTimeout()
Expect(inspect).To(Exit(0))
Expect(inspect.OutputToString()).To(ContainSubstring(`"subnet": "` + subnet1))
Expect(inspect.OutputToString()).To(ContainSubstring(`"subnet": "` + subnet2))
Expect(inspect.OutputToString()).To(ContainSubstring(`"ipv6_enabled": false`))
})
It("podman network create with multiple subnets dual stack", func() {
name := "subnets-" + stringid.GenerateNonCryptoID()
subnet1 := "10.10.2.0/24"
subnet2 := "fd52:2a5a:747e:3acd::/64"
nc := podmanTest.Podman([]string{"network", "create", "--subnet", subnet1, "--subnet", subnet2, name})
nc.WaitWithDefaultTimeout()
defer podmanTest.removeCNINetwork(name)
Expect(nc).To(Exit(0))
Expect(nc.OutputToString()).To(Equal(name))
inspect := podmanTest.Podman([]string{"network", "inspect", name})
inspect.WaitWithDefaultTimeout()
Expect(inspect).To(Exit(0))
Expect(inspect.OutputToString()).To(ContainSubstring(`"subnet": "` + subnet1))
Expect(inspect.OutputToString()).To(ContainSubstring(`"subnet": "` + subnet2))
Expect(inspect.OutputToString()).To(ContainSubstring(`"ipv6_enabled": true`))
})
It("podman network create with multiple subnets dual stack with gateway and range", func() {
name := "subnets-" + stringid.GenerateNonCryptoID()
subnet1 := "10.10.3.0/24"
gw1 := "10.10.3.10"
range1 := "10.10.3.0/26"
subnet2 := "fd52:2a5a:747e:3acd::/64"
gw2 := "fd52:2a5a:747e:3acd::10"
nc := podmanTest.Podman([]string{"network", "create", "--subnet", subnet1, "--gateway", gw1, "--ip-range", range1, "--subnet", subnet2, "--gateway", gw2, name})
nc.WaitWithDefaultTimeout()
defer podmanTest.removeCNINetwork(name)
Expect(nc).To(Exit(0))
Expect(nc.OutputToString()).To(Equal(name))
inspect := podmanTest.Podman([]string{"network", "inspect", name})
inspect.WaitWithDefaultTimeout()
Expect(inspect).To(Exit(0))
Expect(inspect.OutputToString()).To(ContainSubstring(`"subnet": "` + subnet1))
Expect(inspect.OutputToString()).To(ContainSubstring(`"gateway": "` + gw1))
Expect(inspect.OutputToString()).To(ContainSubstring(`"start_ip": "10.10.3.1",`))
Expect(inspect.OutputToString()).To(ContainSubstring(`"end_ip": "10.10.3.63"`))
Expect(inspect.OutputToString()).To(ContainSubstring(`"subnet": "` + subnet2))
Expect(inspect.OutputToString()).To(ContainSubstring(`"gateway": "` + gw2))
Expect(inspect.OutputToString()).To(ContainSubstring(`"ipv6_enabled": true`))
})
It("podman network create invalid options with multiple subnets", func() {
name := "subnets-" + stringid.GenerateNonCryptoID()
subnet1 := "10.10.3.0/24"
gw1 := "10.10.3.10"
gw2 := "fd52:2a5a:747e:3acd::10"
nc := podmanTest.Podman([]string{"network", "create", "--subnet", subnet1, "--gateway", gw1, "--gateway", gw2, name})
nc.WaitWithDefaultTimeout()
Expect(nc).To(Exit(125))
Expect(nc.ErrorToString()).To(Equal("Error: cannot set more gateways than subnets"))
range1 := "10.10.3.0/26"
range2 := "10.10.3.0/28"
nc = podmanTest.Podman([]string{"network", "create", "--subnet", subnet1, "--ip-range", range1, "--ip-range", range2, name})
nc.WaitWithDefaultTimeout()
Expect(nc).To(Exit(125))
Expect(nc.ErrorToString()).To(Equal("Error: cannot set more ranges than subnets"))
})
})
|
