-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathdocker_cli_port_test.go
316 lines (253 loc) · 10.3 KB
/
docker_cli_port_test.go
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
package main
import (
"fmt"
"net"
"regexp"
"sort"
"strings"
"github.com/docker/docker/pkg/integration/checker"
"github.com/go-check/check"
)
func (s *DockerSuite) TestPortList(c *check.C) {
testRequires(c, DaemonIsLinux)
// one port
out, _ := dockerCmd(c, "run", "-d", "-p", "9876:80", "busybox", "top")
firstID := strings.TrimSpace(out)
out, _ = dockerCmd(c, "port", firstID, "80")
err := assertPortList(c, out, []string{"0.0.0.0:9876"})
// Port list is not correct
c.Assert(err, checker.IsNil)
out, _ = dockerCmd(c, "port", firstID)
err = assertPortList(c, out, []string{"80/tcp -> 0.0.0.0:9876"})
// Port list is not correct
c.Assert(err, checker.IsNil)
dockerCmd(c, "rm", "-f", firstID)
// three port
out, _ = dockerCmd(c, "run", "-d",
"-p", "9876:80",
"-p", "9877:81",
"-p", "9878:82",
"busybox", "top")
ID := strings.TrimSpace(out)
out, _ = dockerCmd(c, "port", ID, "80")
err = assertPortList(c, out, []string{"0.0.0.0:9876"})
// Port list is not correct
c.Assert(err, checker.IsNil)
out, _ = dockerCmd(c, "port", ID)
err = assertPortList(c, out, []string{
"80/tcp -> 0.0.0.0:9876",
"81/tcp -> 0.0.0.0:9877",
"82/tcp -> 0.0.0.0:9878"})
// Port list is not correct
c.Assert(err, checker.IsNil)
dockerCmd(c, "rm", "-f", ID)
// more and one port mapped to the same container port
out, _ = dockerCmd(c, "run", "-d",
"-p", "9876:80",
"-p", "9999:80",
"-p", "9877:81",
"-p", "9878:82",
"busybox", "top")
ID = strings.TrimSpace(out)
out, _ = dockerCmd(c, "port", ID, "80")
err = assertPortList(c, out, []string{"0.0.0.0:9876", "0.0.0.0:9999"})
// Port list is not correct
c.Assert(err, checker.IsNil)
out, _ = dockerCmd(c, "port", ID)
err = assertPortList(c, out, []string{
"80/tcp -> 0.0.0.0:9876",
"80/tcp -> 0.0.0.0:9999",
"81/tcp -> 0.0.0.0:9877",
"82/tcp -> 0.0.0.0:9878"})
// Port list is not correct
c.Assert(err, checker.IsNil)
dockerCmd(c, "rm", "-f", ID)
testRange := func() {
// host port ranges used
IDs := make([]string, 3)
for i := 0; i < 3; i++ {
out, _ = dockerCmd(c, "run", "-d",
"-p", "9090-9092:80",
"busybox", "top")
IDs[i] = strings.TrimSpace(out)
out, _ = dockerCmd(c, "port", IDs[i])
err = assertPortList(c, out, []string{fmt.Sprintf("80/tcp -> 0.0.0.0:%d", 9090+i)})
// Port list is not correct
c.Assert(err, checker.IsNil)
}
// test port range exhaustion
out, _, err = dockerCmdWithError("run", "-d",
"-p", "9090-9092:80",
"busybox", "top")
// Exhausted port range did not return an error
c.Assert(err, checker.NotNil, check.Commentf("out: %s", out))
for i := 0; i < 3; i++ {
dockerCmd(c, "rm", "-f", IDs[i])
}
}
testRange()
// Verify we ran re-use port ranges after they are no longer in use.
testRange()
// test invalid port ranges
for _, invalidRange := range []string{"9090-9089:80", "9090-:80", "-9090:80"} {
out, _, err = dockerCmdWithError("run", "-d",
"-p", invalidRange,
"busybox", "top")
// Port range should have returned an error
c.Assert(err, checker.NotNil, check.Commentf("out: %s", out))
}
// test host range:container range spec.
out, _ = dockerCmd(c, "run", "-d",
"-p", "9800-9803:80-83",
"busybox", "top")
ID = strings.TrimSpace(out)
out, _ = dockerCmd(c, "port", ID)
err = assertPortList(c, out, []string{
"80/tcp -> 0.0.0.0:9800",
"81/tcp -> 0.0.0.0:9801",
"82/tcp -> 0.0.0.0:9802",
"83/tcp -> 0.0.0.0:9803"})
// Port list is not correct
c.Assert(err, checker.IsNil)
dockerCmd(c, "rm", "-f", ID)
// test mixing protocols in same port range
out, _ = dockerCmd(c, "run", "-d",
"-p", "8000-8080:80",
"-p", "8000-8080:80/udp",
"busybox", "top")
ID = strings.TrimSpace(out)
out, _ = dockerCmd(c, "port", ID)
err = assertPortList(c, out, []string{
"80/tcp -> 0.0.0.0:8000",
"80/udp -> 0.0.0.0:8000"})
// Port list is not correct
c.Assert(err, checker.IsNil)
dockerCmd(c, "rm", "-f", ID)
}
func assertPortList(c *check.C, out string, expected []string) error {
lines := strings.Split(strings.Trim(out, "\n "), "\n")
if len(lines) != len(expected) {
return fmt.Errorf("different size lists %s, %d, %d", out, len(lines), len(expected))
}
sort.Strings(lines)
sort.Strings(expected)
for i := 0; i < len(expected); i++ {
if lines[i] != expected[i] {
return fmt.Errorf("|" + lines[i] + "!=" + expected[i] + "|")
}
}
return nil
}
func stopRemoveContainer(id string, c *check.C) {
dockerCmd(c, "rm", "-f", id)
}
func (s *DockerSuite) TestUnpublishedPortsInPsOutput(c *check.C) {
testRequires(c, DaemonIsLinux)
// Run busybox with command line expose (equivalent to EXPOSE in image's Dockerfile) for the following ports
port1 := 80
port2 := 443
expose1 := fmt.Sprintf("--expose=%d", port1)
expose2 := fmt.Sprintf("--expose=%d", port2)
dockerCmd(c, "run", "-d", expose1, expose2, "busybox", "sleep", "5")
// Check docker ps o/p for last created container reports the unpublished ports
unpPort1 := fmt.Sprintf("%d/tcp", port1)
unpPort2 := fmt.Sprintf("%d/tcp", port2)
out, _ := dockerCmd(c, "ps", "-n=1")
// Missing unpublished ports in docker ps output
c.Assert(out, checker.Contains, unpPort1)
// Missing unpublished ports in docker ps output
c.Assert(out, checker.Contains, unpPort2)
// Run the container forcing to publish the exposed ports
dockerCmd(c, "run", "-d", "-P", expose1, expose2, "busybox", "sleep", "5")
// Check docker ps o/p for last created container reports the exposed ports in the port bindings
expBndRegx1 := regexp.MustCompile(`0.0.0.0:\d\d\d\d\d->` + unpPort1)
expBndRegx2 := regexp.MustCompile(`0.0.0.0:\d\d\d\d\d->` + unpPort2)
out, _ = dockerCmd(c, "ps", "-n=1")
// Cannot find expected port binding port (0.0.0.0:xxxxx->unpPort1) in docker ps output
c.Assert(expBndRegx1.MatchString(out), checker.Equals, true, check.Commentf("out: %s; unpPort1: %s", out, unpPort1))
// Cannot find expected port binding port (0.0.0.0:xxxxx->unpPort2) in docker ps output
c.Assert(expBndRegx2.MatchString(out), checker.Equals, true, check.Commentf("out: %s; unpPort2: %s", out, unpPort2))
// Run the container specifying explicit port bindings for the exposed ports
offset := 10000
pFlag1 := fmt.Sprintf("%d:%d", offset+port1, port1)
pFlag2 := fmt.Sprintf("%d:%d", offset+port2, port2)
out, _ = dockerCmd(c, "run", "-d", "-p", pFlag1, "-p", pFlag2, expose1, expose2, "busybox", "sleep", "5")
id := strings.TrimSpace(out)
// Check docker ps o/p for last created container reports the specified port mappings
expBnd1 := fmt.Sprintf("0.0.0.0:%d->%s", offset+port1, unpPort1)
expBnd2 := fmt.Sprintf("0.0.0.0:%d->%s", offset+port2, unpPort2)
out, _ = dockerCmd(c, "ps", "-n=1")
// Cannot find expected port binding (expBnd1) in docker ps output
c.Assert(out, checker.Contains, expBnd1)
// Cannot find expected port binding (expBnd2) in docker ps output
c.Assert(out, checker.Contains, expBnd2)
// Remove container now otherwise it will interfere with next test
stopRemoveContainer(id, c)
// Run the container with explicit port bindings and no exposed ports
out, _ = dockerCmd(c, "run", "-d", "-p", pFlag1, "-p", pFlag2, "busybox", "sleep", "5")
id = strings.TrimSpace(out)
// Check docker ps o/p for last created container reports the specified port mappings
out, _ = dockerCmd(c, "ps", "-n=1")
// Cannot find expected port binding (expBnd1) in docker ps output
c.Assert(out, checker.Contains, expBnd1)
// Cannot find expected port binding (expBnd2) in docker ps output
c.Assert(out, checker.Contains, expBnd2)
// Remove container now otherwise it will interfere with next test
stopRemoveContainer(id, c)
// Run the container with one unpublished exposed port and one explicit port binding
dockerCmd(c, "run", "-d", expose1, "-p", pFlag2, "busybox", "sleep", "5")
// Check docker ps o/p for last created container reports the specified unpublished port and port mapping
out, _ = dockerCmd(c, "ps", "-n=1")
// Missing unpublished exposed ports (unpPort1) in docker ps output
c.Assert(out, checker.Contains, unpPort1)
// Missing port binding (expBnd2) in docker ps output
c.Assert(out, checker.Contains, expBnd2)
}
func (s *DockerSuite) TestPortHostBinding(c *check.C) {
testRequires(c, DaemonIsLinux, NotUserNamespace)
out, _ := dockerCmd(c, "run", "-d", "-p", "9876:80", "busybox",
"nc", "-l", "-p", "80")
firstID := strings.TrimSpace(out)
out, _ = dockerCmd(c, "port", firstID, "80")
err := assertPortList(c, out, []string{"0.0.0.0:9876"})
// Port list is not correct
c.Assert(err, checker.IsNil)
dockerCmd(c, "run", "--net=host", "busybox",
"nc", "localhost", "9876")
dockerCmd(c, "rm", "-f", firstID)
out, _, err = dockerCmdWithError("run", "--net=host", "busybox", "nc", "localhost", "9876")
// Port is still bound after the Container is removed
c.Assert(err, checker.NotNil, check.Commentf("out: %s", out))
}
func (s *DockerSuite) TestPortExposeHostBinding(c *check.C) {
testRequires(c, DaemonIsLinux, NotUserNamespace)
out, _ := dockerCmd(c, "run", "-d", "-P", "--expose", "80", "busybox",
"nc", "-l", "-p", "80")
firstID := strings.TrimSpace(out)
out, _ = dockerCmd(c, "port", firstID, "80")
_, exposedPort, err := net.SplitHostPort(out)
c.Assert(err, checker.IsNil, check.Commentf("out: %s", out))
dockerCmd(c, "run", "--net=host", "busybox",
"nc", "localhost", strings.TrimSpace(exposedPort))
dockerCmd(c, "rm", "-f", firstID)
out, _, err = dockerCmdWithError("run", "--net=host", "busybox",
"nc", "localhost", strings.TrimSpace(exposedPort))
// Port is still bound after the Container is removed
c.Assert(err, checker.NotNil, check.Commentf("out: %s", out))
}
func (s *DockerSuite) TestPortBindingOnSandbox(c *check.C) {
testRequires(c, DaemonIsLinux, NotUserNamespace)
dockerCmd(c, "network", "create", "--internal", "-d", "bridge", "internal-net")
dockerCmd(c, "run", "--net", "internal-net", "-d", "--name", "c1",
"-p", "8080:8080", "busybox", "nc", "-l", "-p", "8080")
c.Assert(waitRun("c1"), check.IsNil)
_, _, err := dockerCmdWithError("run", "--net=host", "busybox", "nc", "localhost", "8080")
c.Assert(err, check.NotNil,
check.Commentf("Port mapping on internal network is expected to fail"))
// Connect container to another normal bridge network
dockerCmd(c, "network", "create", "-d", "bridge", "foo-net")
dockerCmd(c, "network", "connect", "foo-net", "c1")
_, _, err = dockerCmdWithError("run", "--net=host", "busybox", "nc", "localhost", "8080")
c.Assert(err, check.IsNil,
check.Commentf("Port mapping on the new network is expected to succeed"))
}