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
|
//go:build linux || freebsd
package integration
import (
"os"
"path/filepath"
. "github.com/containers/podman/v5/test/utils"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
)
func createNetworkDevice(name string) {
session := SystemExec("ip", []string{"link", "add", name, "type", "bridge"})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
}
func deleteNetworkDevice(name string) {
session := SystemExec("ip", []string{"link", "delete", name})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
}
func createContainersConfFileWithDeviceIfaceName(pTest *PodmanTestIntegration) {
configPath := filepath.Join(pTest.TempDir, "containers.conf")
containersConf := []byte("[containers]\ninterface_name = \"device\"\n")
err := os.WriteFile(configPath, containersConf, os.ModePerm)
Expect(err).ToNot(HaveOccurred())
// Set custom containers.conf file
os.Setenv("CONTAINERS_CONF_OVERRIDE", configPath)
if IsRemote() {
pTest.RestartRemoteService()
}
}
var _ = Describe("Podman container interface name", func() {
It("podman container interface name for bridge network", func() {
// Assert that the network interface name inside container for
// bridge network is ethX regardless of interface_name setting
// in the containers.conf file.
netName1 := createNetworkName("bridge")
netName2 := createNetworkName("bridge")
defer podmanTest.removeNetwork(netName1)
nc1 := podmanTest.Podman([]string{"network", "create", netName1})
nc1.WaitWithDefaultTimeout()
Expect(nc1).Should(ExitCleanly())
defer podmanTest.removeNetwork(netName2)
nc2 := podmanTest.Podman([]string{"network", "create", netName2})
nc2.WaitWithDefaultTimeout()
Expect(nc2).Should(ExitCleanly())
for _, override := range []bool{false, true} {
if override {
createContainersConfFileWithDeviceIfaceName(podmanTest)
}
ctr := podmanTest.Podman([]string{"run", "-d", "--network", netName1, "--name", "test", ALPINE, "top"})
ctr.WaitWithDefaultTimeout()
Expect(ctr).Should(ExitCleanly())
exec1 := podmanTest.Podman([]string{"exec", "test", "ip", "addr", "show", "eth0"})
exec1.WaitWithDefaultTimeout()
Expect(exec1).Should(ExitCleanly())
Expect(exec1.OutputToString()).Should(ContainSubstring("eth0"))
conn := podmanTest.Podman([]string{"network", "connect", netName2, "test"})
conn.WaitWithDefaultTimeout()
Expect(conn).Should(ExitCleanly())
exec2 := podmanTest.Podman([]string{"exec", "test", "ip", "addr", "show", "eth1"})
exec2.WaitWithDefaultTimeout()
Expect(exec2).Should(ExitCleanly())
Expect(exec2.OutputToString()).Should(ContainSubstring("eth1"))
rm := podmanTest.Podman([]string{"rm", "--time=0", "-f", "test"})
rm.WaitWithDefaultTimeout()
Expect(rm).Should(ExitCleanly())
}
})
It("podman container interface name for macvlan/ipvlan network with no parent", func() {
// Assert that the network interface name inside container for
// macvlan/ipvlan network with no parent interface is ethX
// regardless of interface_name setting in the containers.conf
// file.
for _, override := range []bool{false, true} {
if override {
createContainersConfFileWithDeviceIfaceName(podmanTest)
}
for _, driverType := range []string{"macvlan", "ipvlan"} {
netName1 := createNetworkName(driverType)
netName2 := createNetworkName(driverType)
// There is no nic created by the macvlan/ipvlan driver.
defer podmanTest.removeNetwork(netName1)
nc1 := podmanTest.Podman([]string{"network", "create", "-d", driverType, "--subnet", "10.10.0.0/24", netName1})
nc1.WaitWithDefaultTimeout()
Expect(nc1).Should(ExitCleanly())
ctr := podmanTest.Podman([]string{"run", "-d", "--network", netName1, "--name", "test", ALPINE, "top"})
ctr.WaitWithDefaultTimeout()
Expect(ctr).Should(ExitCleanly())
exec1 := podmanTest.Podman([]string{"exec", "test", "ip", "addr", "show", "eth0"})
exec1.WaitWithDefaultTimeout()
Expect(exec1).Should(ExitCleanly())
Expect(exec1.OutputToString()).Should(ContainSubstring("eth0"))
defer podmanTest.removeNetwork(netName2)
nc2 := podmanTest.Podman([]string{"network", "create", "-d", driverType, "--subnet", "10.25.40.0/24", netName2})
nc2.WaitWithDefaultTimeout()
Expect(nc2).Should(ExitCleanly())
conn := podmanTest.Podman([]string{"network", "connect", netName2, "test"})
conn.WaitWithDefaultTimeout()
Expect(conn).Should(ExitCleanly())
exec2 := podmanTest.Podman([]string{"exec", "test", "ip", "addr", "show", "eth1"})
exec2.WaitWithDefaultTimeout()
Expect(exec2).Should(ExitCleanly())
Expect(exec2.OutputToString()).Should(ContainSubstring("eth1"))
rm := podmanTest.Podman([]string{"rm", "--time=0", "-f", "test"})
rm.WaitWithDefaultTimeout()
Expect(rm).Should(ExitCleanly())
}
}
})
It("podman container interface name with default scheme for macvlan/ipvlan network with parent", func() {
// Assert that the network interface name inside container for
// macvlan/ipvlan network, created with a specific parent
// interface, continues to be ethX when interface_name in the
// containers.conf file is set to default value, i.e., "".
SkipIfRootless("cannot create network device in rootless mode.")
for _, driverType := range []string{"macvlan", "ipvlan"} {
// Create a nic to be used as a parent for macvlan/ipvlan network.
nicName1 := createNetworkName("nic")[:8]
nicName2 := createNetworkName("nic")[:8]
netName1 := createNetworkName(driverType)
netName2 := createNetworkName(driverType)
parent1 := "parent=" + nicName1
parent2 := "parent=" + nicName2
defer deleteNetworkDevice(nicName1)
createNetworkDevice(nicName1)
defer podmanTest.removeNetwork(netName1)
nc1 := podmanTest.Podman([]string{"network", "create", "-d", driverType, "-o", parent1, "--subnet", "10.10.0.0/24", netName1})
nc1.WaitWithDefaultTimeout()
Expect(nc1).Should(ExitCleanly())
ctr := podmanTest.Podman([]string{"run", "-d", "--network", netName1, "--name", "test", ALPINE, "top"})
ctr.WaitWithDefaultTimeout()
Expect(ctr).Should(ExitCleanly())
exec1 := podmanTest.Podman([]string{"exec", "test", "ip", "addr", "show", "eth0"})
exec1.WaitWithDefaultTimeout()
Expect(exec1).Should(ExitCleanly())
Expect(exec1.OutputToString()).Should(ContainSubstring("eth0"))
defer deleteNetworkDevice(nicName2)
createNetworkDevice(nicName2)
defer podmanTest.removeNetwork(netName2)
nc2 := podmanTest.Podman([]string{"network", "create", "-d", driverType, "-o", parent2, "--subnet", "10.25.40.0/24", netName2})
nc2.WaitWithDefaultTimeout()
Expect(nc2).Should(ExitCleanly())
conn := podmanTest.Podman([]string{"network", "connect", netName2, "test"})
conn.WaitWithDefaultTimeout()
Expect(conn).Should(ExitCleanly())
exec2 := podmanTest.Podman([]string{"exec", "test", "ip", "addr", "show", "eth1"})
exec2.WaitWithDefaultTimeout()
Expect(exec2).Should(ExitCleanly())
Expect(exec2.OutputToString()).Should(ContainSubstring("eth1"))
rm := podmanTest.Podman([]string{"rm", "--time=0", "-f", "test"})
rm.WaitWithDefaultTimeout()
Expect(rm).Should(ExitCleanly())
}
})
It("podman container interface name with device scheme for macvlan/ipvlan network with parent", func() {
// Assert that the network interface name inside container for
// macvlan/ipvlan network, created with a specific parent
// interface, is the parent interface name ethX when
// interface_name in the containers.conf file is set to "device"
SkipIfRootless("cannot create network device in rootless mode.")
createContainersConfFileWithDeviceIfaceName(podmanTest)
for _, driverType := range []string{"macvlan", "ipvlan"} {
// Create a nic to be used as a parent for the network.
nicName1 := createNetworkName("nic")[:8]
nicName2 := createNetworkName("nic")[:8]
netName1 := createNetworkName(driverType)
netName2 := createNetworkName(driverType)
parent1 := "parent=" + nicName1
parent2 := "parent=" + nicName2
defer deleteNetworkDevice(nicName1)
createNetworkDevice(nicName1)
defer podmanTest.removeNetwork(netName1)
nc1 := podmanTest.Podman([]string{"network", "create", "-d", driverType, "-o", parent1, "--subnet", "10.10.0.0/24", netName1})
nc1.WaitWithDefaultTimeout()
Expect(nc1).Should(ExitCleanly())
ctr := podmanTest.Podman([]string{"run", "-d", "--network", netName1, "--name", "test", ALPINE, "top"})
ctr.WaitWithDefaultTimeout()
Expect(ctr).Should(ExitCleanly())
exec1 := podmanTest.Podman([]string{"exec", "test", "ip", "addr", "show", nicName1})
exec1.WaitWithDefaultTimeout()
Expect(exec1).Should(ExitCleanly())
Expect(exec1.OutputToString()).Should(ContainSubstring(nicName1))
defer deleteNetworkDevice(nicName2)
createNetworkDevice(nicName2)
defer podmanTest.removeNetwork(netName2)
nc2 := podmanTest.Podman([]string{"network", "create", "-d", driverType, "-o", parent2, "--subnet", "10.25.40.0/24", netName2})
nc2.WaitWithDefaultTimeout()
Expect(nc2).Should(ExitCleanly())
conn := podmanTest.Podman([]string{"network", "connect", netName2, "test"})
conn.WaitWithDefaultTimeout()
Expect(conn).Should(ExitCleanly())
exec2 := podmanTest.Podman([]string{"exec", "test", "ip", "addr", "show", nicName2})
exec2.WaitWithDefaultTimeout()
Expect(exec2).Should(ExitCleanly())
Expect(exec2.OutputToString()).Should(ContainSubstring(nicName2))
rm := podmanTest.Podman([]string{"rm", "--time=0", "-f", "test"})
rm.WaitWithDefaultTimeout()
Expect(rm).Should(ExitCleanly())
}
})
})
|
