forked from adamlaska/moby
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathdocker_cli_daemon_test.go
More file actions
2953 lines (2401 loc) · 97 KB
/
docker_cli_daemon_test.go
File metadata and controls
2953 lines (2401 loc) · 97 KB
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
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
//go:build linux
// +build linux
package main
import (
"bufio"
"bytes"
"context"
"crypto/tls"
"crypto/x509"
"encoding/json"
"fmt"
"io"
"net"
"os"
"os/exec"
"path"
"path/filepath"
"regexp"
"strconv"
"strings"
"sync"
"testing"
"time"
"github.com/cloudflare/cfssl/helpers"
"github.com/creack/pty"
"github.com/docker/docker/api/types"
"github.com/docker/docker/integration-cli/checker"
"github.com/docker/docker/integration-cli/cli"
"github.com/docker/docker/integration-cli/cli/build"
"github.com/docker/docker/integration-cli/daemon"
"github.com/docker/docker/libnetwork/iptables"
"github.com/docker/docker/opts"
testdaemon "github.com/docker/docker/testutil/daemon"
units "github.com/docker/go-units"
"github.com/docker/libtrust"
"github.com/moby/sys/mount"
"golang.org/x/sys/unix"
"gotest.tools/v3/assert"
"gotest.tools/v3/icmd"
"gotest.tools/v3/poll"
)
const containerdSocket = "/var/run/docker/containerd/containerd.sock"
// TestLegacyDaemonCommand test starting docker daemon using "deprecated" docker daemon
// command. Remove this test when we remove this.
func (s *DockerDaemonSuite) TestLegacyDaemonCommand(c *testing.T) {
cmd := exec.Command(dockerBinary, "daemon", "--storage-driver=vfs", "--debug")
err := cmd.Start()
go cmd.Wait()
assert.NilError(c, err, "could not start daemon using 'docker daemon'")
assert.NilError(c, cmd.Process.Kill())
}
func (s *DockerDaemonSuite) TestDaemonRestartWithRunningContainersPorts(c *testing.T) {
s.d.StartWithBusybox(c)
cli.Docker(
cli.Args("run", "-d", "--name", "top1", "-p", "1234:80", "--restart", "always", "busybox:latest", "top"),
cli.Daemon(s.d),
).Assert(c, icmd.Success)
cli.Docker(
cli.Args("run", "-d", "--name", "top2", "-p", "80", "busybox:latest", "top"),
cli.Daemon(s.d),
).Assert(c, icmd.Success)
testRun := func(m map[string]bool, prefix string) {
var format string
for cont, shouldRun := range m {
out := cli.Docker(cli.Args("ps"), cli.Daemon(s.d)).Assert(c, icmd.Success).Combined()
if shouldRun {
format = "%scontainer %q is not running"
} else {
format = "%scontainer %q is running"
}
if shouldRun != strings.Contains(out, cont) {
c.Fatalf(format, prefix, cont)
}
}
}
testRun(map[string]bool{"top1": true, "top2": true}, "")
s.d.Restart(c)
testRun(map[string]bool{"top1": true, "top2": false}, "After daemon restart: ")
}
func (s *DockerDaemonSuite) TestDaemonRestartWithVolumesRefs(c *testing.T) {
s.d.StartWithBusybox(c)
if out, err := s.d.Cmd("run", "--name", "volrestarttest1", "-v", "/foo", "busybox"); err != nil {
c.Fatal(err, out)
}
s.d.Restart(c)
if out, err := s.d.Cmd("run", "-d", "--volumes-from", "volrestarttest1", "--name", "volrestarttest2", "busybox", "top"); err != nil {
c.Fatal(err, out)
}
if out, err := s.d.Cmd("rm", "-fv", "volrestarttest2"); err != nil {
c.Fatal(err, out)
}
out, err := s.d.Cmd("inspect", "-f", "{{json .Mounts}}", "volrestarttest1")
assert.NilError(c, err, out)
if _, err := inspectMountPointJSON(out, "/foo"); err != nil {
c.Fatalf("Expected volume to exist: /foo, error: %v\n", err)
}
}
// #11008
func (s *DockerDaemonSuite) TestDaemonRestartUnlessStopped(c *testing.T) {
s.d.StartWithBusybox(c)
out, err := s.d.Cmd("run", "-d", "--name", "top1", "--restart", "always", "busybox:latest", "top")
assert.NilError(c, err, "run top1: %v", out)
out, err = s.d.Cmd("run", "-d", "--name", "top2", "--restart", "unless-stopped", "busybox:latest", "top")
assert.NilError(c, err, "run top2: %v", out)
out, err = s.d.Cmd("run", "-d", "--name", "exit", "--restart", "unless-stopped", "busybox:latest", "false")
assert.NilError(c, err, "run exit: %v", out)
testRun := func(m map[string]bool, prefix string) {
var format string
for name, shouldRun := range m {
out, err := s.d.Cmd("ps")
assert.Assert(c, err == nil, "run ps: %v", out)
if shouldRun {
format = "%scontainer %q is not running"
} else {
format = "%scontainer %q is running"
}
assert.Equal(c, strings.Contains(out, name), shouldRun, fmt.Sprintf(format, prefix, name))
}
}
// both running
testRun(map[string]bool{"top1": true, "top2": true, "exit": true}, "")
out, err = s.d.Cmd("stop", "exit")
assert.NilError(c, err, out)
out, err = s.d.Cmd("stop", "top1")
assert.NilError(c, err, out)
out, err = s.d.Cmd("stop", "top2")
assert.NilError(c, err, out)
// both stopped
testRun(map[string]bool{"top1": false, "top2": false, "exit": false}, "")
s.d.Restart(c)
// restart=always running
testRun(map[string]bool{"top1": true, "top2": false, "exit": false}, "After daemon restart: ")
out, err = s.d.Cmd("start", "top2")
assert.NilError(c, err, "start top2: %v", out)
out, err = s.d.Cmd("start", "exit")
assert.NilError(c, err, "start exit: %v", out)
s.d.Restart(c)
// both running
testRun(map[string]bool{"top1": true, "top2": true, "exit": true}, "After second daemon restart: ")
}
func (s *DockerDaemonSuite) TestDaemonRestartOnFailure(c *testing.T) {
s.d.StartWithBusybox(c)
out, err := s.d.Cmd("run", "-d", "--name", "test1", "--restart", "on-failure:3", "busybox:latest", "false")
assert.NilError(c, err, "run top1: %v", out)
// wait test1 to stop
hostArgs := []string{"--host", s.d.Sock()}
err = waitInspectWithArgs("test1", "{{.State.Running}} {{.State.Restarting}}", "false false", 10*time.Second, hostArgs...)
assert.NilError(c, err, "test1 should exit but not")
// record last start time
out, err = s.d.Cmd("inspect", "-f={{.State.StartedAt}}", "test1")
assert.NilError(c, err, "out: %v", out)
lastStartTime := out
s.d.Restart(c)
// test1 shouldn't restart at all
err = waitInspectWithArgs("test1", "{{.State.Running}} {{.State.Restarting}}", "false false", 0, hostArgs...)
assert.NilError(c, err, "test1 should exit but not")
// make sure test1 isn't restarted when daemon restart
// if "StartAt" time updates, means test1 was once restarted.
out, err = s.d.Cmd("inspect", "-f={{.State.StartedAt}}", "test1")
assert.NilError(c, err, "out: %v", out)
assert.Equal(c, out, lastStartTime, "test1 shouldn't start after daemon restarts")
}
func (s *DockerDaemonSuite) TestDaemonStartIptablesFalse(c *testing.T) {
s.d.Start(c, "--iptables=false")
}
// Make sure we cannot shrink base device at daemon restart.
func (s *DockerDaemonSuite) TestDaemonRestartWithInvalidBasesize(c *testing.T) {
testRequires(c, Devicemapper)
s.d.Start(c)
oldBasesizeBytes := getBaseDeviceSize(c, s.d)
var newBasesizeBytes int64 = 1073741824 // 1GB in bytes
if newBasesizeBytes < oldBasesizeBytes {
err := s.d.RestartWithError("--storage-opt", fmt.Sprintf("dm.basesize=%d", newBasesizeBytes))
assert.Assert(c, err != nil, "daemon should not have started as new base device size is less than existing base device size: %v", err)
// 'err != nil' is expected behaviour, no new daemon started,
// so no need to stop daemon.
if err != nil {
return
}
}
s.d.Stop(c)
}
// Make sure we can grow base device at daemon restart.
func (s *DockerDaemonSuite) TestDaemonRestartWithIncreasedBasesize(c *testing.T) {
testRequires(c, Devicemapper)
s.d.Start(c)
oldBasesizeBytes := getBaseDeviceSize(c, s.d)
var newBasesizeBytes int64 = 53687091200 // 50GB in bytes
if newBasesizeBytes < oldBasesizeBytes {
c.Skip(fmt.Sprintf("New base device size (%v) must be greater than (%s)", units.HumanSize(float64(newBasesizeBytes)), units.HumanSize(float64(oldBasesizeBytes))))
}
err := s.d.RestartWithError("--storage-opt", fmt.Sprintf("dm.basesize=%d", newBasesizeBytes))
assert.Assert(c, err == nil, "we should have been able to start the daemon with increased base device size: %v", err)
basesizeAfterRestart := getBaseDeviceSize(c, s.d)
newBasesize, err := convertBasesize(newBasesizeBytes)
assert.Assert(c, err == nil, "Error in converting base device size: %v", err)
assert.Equal(c, newBasesize, basesizeAfterRestart, "Basesize passed is not equal to Basesize set")
s.d.Stop(c)
}
func getBaseDeviceSize(c *testing.T, d *daemon.Daemon) int64 {
info := d.Info(c)
for _, statusLine := range info.DriverStatus {
key, value := statusLine[0], statusLine[1]
if key == "Base Device Size" {
return parseDeviceSize(c, value)
}
}
c.Fatal("failed to parse Base Device Size from info")
return int64(0)
}
func parseDeviceSize(c *testing.T, raw string) int64 {
size, err := units.RAMInBytes(strings.TrimSpace(raw))
assert.NilError(c, err)
return size
}
func convertBasesize(basesizeBytes int64) (int64, error) {
basesize := units.HumanSize(float64(basesizeBytes))
basesize = strings.Trim(basesize, " ")[:len(basesize)-3]
basesizeFloat, err := strconv.ParseFloat(strings.Trim(basesize, " "), 64)
if err != nil {
return 0, err
}
return int64(basesizeFloat) * 1024 * 1024 * 1024, nil
}
// Issue #8444: If docker0 bridge is modified (intentionally or unintentionally) and
// no longer has an IP associated, we should gracefully handle that case and associate
// an IP with it rather than fail daemon start
func (s *DockerDaemonSuite) TestDaemonStartBridgeWithoutIPAssociation(c *testing.T) {
// rather than depending on brctl commands to verify docker0 is created and up
// let's start the daemon and stop it, and then make a modification to run the
// actual test
s.d.Start(c)
s.d.Stop(c)
// now we will remove the ip from docker0 and then try starting the daemon
icmd.RunCommand("ip", "addr", "flush", "dev", "docker0").Assert(c, icmd.Success)
if err := s.d.StartWithError(); err != nil {
warning := "**WARNING: Docker bridge network in bad state--delete docker0 bridge interface to fix"
c.Fatalf("Could not start daemon when docker0 has no IP address: %v\n%s", err, warning)
}
}
func (s *DockerDaemonSuite) TestDaemonIptablesClean(c *testing.T) {
s.d.StartWithBusybox(c)
if out, err := s.d.Cmd("run", "-d", "--name", "top", "-p", "80", "busybox:latest", "top"); err != nil {
c.Fatalf("Could not run top: %s, %v", out, err)
}
ipTablesSearchString := "tcp dpt:80"
// get output from iptables with container running
verifyIPTablesContains(c, ipTablesSearchString)
s.d.Stop(c)
// get output from iptables after restart
verifyIPTablesDoesNotContains(c, ipTablesSearchString)
}
func (s *DockerDaemonSuite) TestDaemonIptablesCreate(c *testing.T) {
s.d.StartWithBusybox(c)
if out, err := s.d.Cmd("run", "-d", "--name", "top", "--restart=always", "-p", "80", "busybox:latest", "top"); err != nil {
c.Fatalf("Could not run top: %s, %v", out, err)
}
// get output from iptables with container running
ipTablesSearchString := "tcp dpt:80"
verifyIPTablesContains(c, ipTablesSearchString)
s.d.Restart(c)
// make sure the container is not running
runningOut, err := s.d.Cmd("inspect", "--format={{.State.Running}}", "top")
if err != nil {
c.Fatalf("Could not inspect on container: %s, %v", runningOut, err)
}
if strings.TrimSpace(runningOut) != "true" {
c.Fatalf("Container should have been restarted after daemon restart. Status running should have been true but was: %q", strings.TrimSpace(runningOut))
}
// get output from iptables after restart
verifyIPTablesContains(c, ipTablesSearchString)
}
func verifyIPTablesContains(c *testing.T, ipTablesSearchString string) {
result := icmd.RunCommand("iptables", "-nvL")
result.Assert(c, icmd.Success)
if !strings.Contains(result.Combined(), ipTablesSearchString) {
c.Fatalf("iptables output should have contained %q, but was %q", ipTablesSearchString, result.Combined())
}
}
func verifyIPTablesDoesNotContains(c *testing.T, ipTablesSearchString string) {
result := icmd.RunCommand("iptables", "-nvL")
result.Assert(c, icmd.Success)
if strings.Contains(result.Combined(), ipTablesSearchString) {
c.Fatalf("iptables output should not have contained %q, but was %q", ipTablesSearchString, result.Combined())
}
}
// TestDaemonIPv6Enabled checks that when the daemon is started with --ipv6=true that the docker0 bridge
// has the fe80::1 address and that a container is assigned a link-local address
func (s *DockerDaemonSuite) TestDaemonIPv6Enabled(c *testing.T) {
testRequires(c, IPv6)
setupV6(c)
defer teardownV6(c)
s.d.StartWithBusybox(c, "--ipv6")
iface, err := net.InterfaceByName("docker0")
if err != nil {
c.Fatalf("Error getting docker0 interface: %v", err)
}
addrs, err := iface.Addrs()
if err != nil {
c.Fatalf("Error getting addresses for docker0 interface: %v", err)
}
var found bool
expected := "fe80::1/64"
for i := range addrs {
if addrs[i].String() == expected {
found = true
break
}
}
if !found {
c.Fatalf("Bridge does not have an IPv6 Address")
}
if out, err := s.d.Cmd("run", "-itd", "--name=ipv6test", "busybox:latest"); err != nil {
c.Fatalf("Could not run container: %s, %v", out, err)
}
out, err := s.d.Cmd("inspect", "--format", "'{{.NetworkSettings.Networks.bridge.LinkLocalIPv6Address}}'", "ipv6test")
if err != nil {
c.Fatalf("Error inspecting container: %s, %v", out, err)
}
out = strings.Trim(out, " \r\n'")
if ip := net.ParseIP(out); ip == nil {
c.Fatalf("Container should have a link-local IPv6 address")
}
out, err = s.d.Cmd("inspect", "--format", "'{{.NetworkSettings.Networks.bridge.GlobalIPv6Address}}'", "ipv6test")
if err != nil {
c.Fatalf("Error inspecting container: %s, %v", out, err)
}
out = strings.Trim(out, " \r\n'")
if ip := net.ParseIP(out); ip != nil {
c.Fatalf("Container should not have a global IPv6 address: %v", out)
}
}
// TestDaemonIPv6FixedCIDR checks that when the daemon is started with --ipv6=true and a fixed CIDR
// that running containers are given a link-local and global IPv6 address
func (s *DockerDaemonSuite) TestDaemonIPv6FixedCIDR(c *testing.T) {
// IPv6 setup is messing with local bridge address.
testRequires(c, testEnv.IsLocalDaemon)
// Delete the docker0 bridge if its left around from previous daemon. It has to be recreated with
// ipv6 enabled
deleteInterface(c, "docker0")
s.d.StartWithBusybox(c, "--ipv6", "--fixed-cidr-v6=2001:db8:2::/64", "--default-gateway-v6=2001:db8:2::100")
out, err := s.d.Cmd("run", "-d", "--name=ipv6test", "busybox:latest", "top")
assert.NilError(c, err, "Could not run container: %s, %v", out, err)
out, err = s.d.Cmd("inspect", "--format", "{{.NetworkSettings.Networks.bridge.GlobalIPv6Address}}", "ipv6test")
assert.NilError(c, err, out)
out = strings.Trim(out, " \r\n'")
ip := net.ParseIP(out)
assert.Assert(c, ip != nil, "Container should have a global IPv6 address")
out, err = s.d.Cmd("inspect", "--format", "{{.NetworkSettings.Networks.bridge.IPv6Gateway}}", "ipv6test")
assert.NilError(c, err, out)
assert.Equal(c, strings.Trim(out, " \r\n'"), "2001:db8:2::100", "Container should have a global IPv6 gateway")
}
// TestDaemonIPv6FixedCIDRAndMac checks that when the daemon is started with ipv6 fixed CIDR
// the running containers are given an IPv6 address derived from the MAC address and the ipv6 fixed CIDR
func (s *DockerDaemonSuite) TestDaemonIPv6FixedCIDRAndMac(c *testing.T) {
// IPv6 setup is messing with local bridge address.
testRequires(c, testEnv.IsLocalDaemon)
// Delete the docker0 bridge if its left around from previous daemon. It has to be recreated with
// ipv6 enabled
deleteInterface(c, "docker0")
s.d.StartWithBusybox(c, "--ipv6", "--fixed-cidr-v6=2001:db8:1::/64")
out, err := s.d.Cmd("run", "-d", "--name=ipv6test", "--mac-address", "AA:BB:CC:DD:EE:FF", "busybox", "top")
assert.NilError(c, err, out)
out, err = s.d.Cmd("inspect", "--format", "{{.NetworkSettings.Networks.bridge.GlobalIPv6Address}}", "ipv6test")
assert.NilError(c, err, out)
assert.Equal(c, strings.Trim(out, " \r\n'"), "2001:db8:1::aabb:ccdd:eeff")
}
// TestDaemonIPv6HostMode checks that when the running a container with
// network=host the host ipv6 addresses are not removed
func (s *DockerDaemonSuite) TestDaemonIPv6HostMode(c *testing.T) {
testRequires(c, testEnv.IsLocalDaemon)
deleteInterface(c, "docker0")
s.d.StartWithBusybox(c, "--ipv6", "--fixed-cidr-v6=2001:db8:2::/64")
out, err := s.d.Cmd("run", "-d", "--name=hostcnt", "--network=host", "busybox:latest", "top")
assert.NilError(c, err, "Could not run container: %s, %v", out, err)
out, err = s.d.Cmd("exec", "hostcnt", "ip", "-6", "addr", "show", "docker0")
assert.NilError(c, err, out)
assert.Assert(c, strings.Contains(strings.Trim(out, " \r\n'"), "2001:db8:2::1"))
}
func (s *DockerDaemonSuite) TestDaemonLogLevelWrong(c *testing.T) {
assert.Assert(c, s.d.StartWithError("--log-level=bogus") != nil, "Daemon shouldn't start with wrong log level")
}
func (s *DockerDaemonSuite) TestDaemonLogLevelDebug(c *testing.T) {
s.d.Start(c, "--log-level=debug")
content, err := s.d.ReadLogFile()
assert.NilError(c, err)
if !strings.Contains(string(content), `level=debug`) {
c.Fatalf(`Missing level="debug" in log file:\n%s`, string(content))
}
}
func (s *DockerDaemonSuite) TestDaemonLogLevelFatal(c *testing.T) {
// we creating new daemons to create new logFile
s.d.Start(c, "--log-level=fatal")
content, err := s.d.ReadLogFile()
assert.NilError(c, err)
if strings.Contains(string(content), `level=debug`) {
c.Fatalf(`Should not have level="debug" in log file:\n%s`, string(content))
}
}
func (s *DockerDaemonSuite) TestDaemonFlagD(c *testing.T) {
s.d.Start(c, "-D")
content, err := s.d.ReadLogFile()
assert.NilError(c, err)
if !strings.Contains(string(content), `level=debug`) {
c.Fatalf(`Should have level="debug" in log file using -D:\n%s`, string(content))
}
}
func (s *DockerDaemonSuite) TestDaemonFlagDebug(c *testing.T) {
s.d.Start(c, "--debug")
content, err := s.d.ReadLogFile()
assert.NilError(c, err)
if !strings.Contains(string(content), `level=debug`) {
c.Fatalf(`Should have level="debug" in log file using --debug:\n%s`, string(content))
}
}
func (s *DockerDaemonSuite) TestDaemonFlagDebugLogLevelFatal(c *testing.T) {
s.d.Start(c, "--debug", "--log-level=fatal")
content, err := s.d.ReadLogFile()
assert.NilError(c, err)
if !strings.Contains(string(content), `level=debug`) {
c.Fatalf(`Should have level="debug" in log file when using both --debug and --log-level=fatal:\n%s`, string(content))
}
}
func (s *DockerDaemonSuite) TestDaemonAllocatesListeningPort(c *testing.T) {
type listener struct {
daemon string
client string
port string
}
listeningPorts := []listener{
{"0.0.0.0", "0.0.0.0", "5678"},
{"127.0.0.1", "127.0.0.1", "1234"},
{"localhost", "127.0.0.1", "1235"},
}
cmdArgs := make([]string, 0, len(listeningPorts)*2)
for _, l := range listeningPorts {
cmdArgs = append(cmdArgs, "--tls=false", "--host", fmt.Sprintf("tcp://%s:%s", l.daemon, l.port))
}
s.d.StartWithBusybox(c, cmdArgs...)
for _, l := range listeningPorts {
output, err := s.d.Cmd("run", "-p", fmt.Sprintf("%s:%s:80", l.client, l.port), "busybox", "true")
if err == nil {
c.Fatalf("Container should not start, expected port already allocated error: %q", output)
} else if !strings.Contains(output, "port is already allocated") {
c.Fatalf("Expected port is already allocated error: %q", output)
}
}
}
func (s *DockerDaemonSuite) TestDaemonKeyGeneration(c *testing.T) {
// TODO: skip or update for Windows daemon
os.Remove("/etc/docker/key.json")
s.d.Start(c)
s.d.Stop(c)
k, err := libtrust.LoadKeyFile("/etc/docker/key.json")
if err != nil {
c.Fatalf("Error opening key file")
}
kid := k.KeyID()
// Test Key ID is a valid fingerprint (e.g. QQXN:JY5W:TBXI:MK3X:GX6P:PD5D:F56N:NHCS:LVRZ:JA46:R24J:XEFF)
if len(kid) != 59 {
c.Fatalf("Bad key ID: %s", kid)
}
}
// GH#11320 - verify that the daemon exits on failure properly
// Note that this explicitly tests the conflict of {-b,--bridge} and {--bip} options as the means
// to get a daemon init failure; no other tests for -b/--bip conflict are therefore required
func (s *DockerDaemonSuite) TestDaemonExitOnFailure(c *testing.T) {
// attempt to start daemon with incorrect flags (we know -b and --bip conflict)
if err := s.d.StartWithError("--bridge", "nosuchbridge", "--bip", "1.1.1.1"); err != nil {
// verify we got the right error
if !strings.Contains(err.Error(), "daemon exited") {
c.Fatalf("Expected daemon not to start, got %v", err)
}
// look in the log and make sure we got the message that daemon is shutting down
icmd.RunCommand("grep", "failed to start daemon", s.d.LogFileName()).Assert(c, icmd.Success)
} else {
// if we didn't get an error and the daemon is running, this is a failure
c.Fatal("Conflicting options should cause the daemon to error out with a failure")
}
}
func (s *DockerDaemonSuite) TestDaemonBridgeExternal(c *testing.T) {
d := s.d
err := d.StartWithError("--bridge", "nosuchbridge")
assert.ErrorContains(c, err, "", `--bridge option with an invalid bridge should cause the daemon to fail`)
defer d.Restart(c)
// make sure the default docker0 bridge doesn't interfere with the test,
// which may happen if it was created with the same IP range.
deleteInterface(c, "docker0")
bridgeName := "ext-bridge1"
bridgeIP := "192.169.1.1/24"
_, bridgeIPNet, _ := net.ParseCIDR(bridgeIP)
createInterface(c, "bridge", bridgeName, bridgeIP)
defer deleteInterface(c, bridgeName)
d.StartWithBusybox(c, "--bridge", bridgeName)
ipTablesSearchString := bridgeIPNet.String()
icmd.RunCommand("iptables", "-t", "nat", "-nvL").Assert(c, icmd.Expected{
Out: ipTablesSearchString,
})
out, err := d.Cmd("run", "-d", "--name", "ExtContainer", "busybox", "top")
assert.NilError(c, err, out)
containerIP := d.FindContainerIP(c, "ExtContainer")
ip := net.ParseIP(containerIP)
assert.Assert(c, bridgeIPNet.Contains(ip), "Container IP-Address must be in the same subnet range : %s", containerIP)
}
func (s *DockerDaemonSuite) TestDaemonBridgeNone(c *testing.T) {
// start with bridge none
d := s.d
d.StartWithBusybox(c, "--bridge", "none")
defer d.Restart(c)
// verify docker0 iface is not there
icmd.RunCommand("ifconfig", "docker0").Assert(c, icmd.Expected{
ExitCode: 1,
Error: "exit status 1",
Err: "Device not found",
})
// verify default "bridge" network is not there
out, err := d.Cmd("network", "inspect", "bridge")
assert.ErrorContains(c, err, "", `"bridge" network should not be present if daemon started with --bridge=none`)
assert.Assert(c, strings.Contains(out, "No such network"))
}
func createInterface(c *testing.T, ifType string, ifName string, ipNet string) {
icmd.RunCommand("ip", "link", "add", "name", ifName, "type", ifType).Assert(c, icmd.Success)
icmd.RunCommand("ifconfig", ifName, ipNet, "up").Assert(c, icmd.Success)
}
func deleteInterface(c *testing.T, ifName string) {
icmd.RunCommand("ip", "link", "delete", ifName).Assert(c, icmd.Success)
icmd.RunCommand("iptables", "-t", "nat", "--flush").Assert(c, icmd.Success)
icmd.RunCommand("iptables", "--flush").Assert(c, icmd.Success)
}
func (s *DockerDaemonSuite) TestDaemonBridgeIP(c *testing.T) {
// TestDaemonBridgeIP Steps
// 1. Delete the existing docker0 Bridge
// 2. Set --bip daemon configuration and start the new Docker Daemon
// 3. Check if the bip config has taken effect using ifconfig and iptables commands
// 4. Launch a Container and make sure the IP-Address is in the expected subnet
// 5. Delete the docker0 Bridge
// 6. Restart the Docker Daemon (via deferred action)
// This Restart takes care of bringing docker0 interface back to auto-assigned IP
defaultNetworkBridge := "docker0"
deleteInterface(c, defaultNetworkBridge)
d := s.d
bridgeIP := "192.169.1.1/24"
ip, bridgeIPNet, _ := net.ParseCIDR(bridgeIP)
d.StartWithBusybox(c, "--bip", bridgeIP)
defer d.Restart(c)
ifconfigSearchString := ip.String()
icmd.RunCommand("ifconfig", defaultNetworkBridge).Assert(c, icmd.Expected{
Out: ifconfigSearchString,
})
ipTablesSearchString := bridgeIPNet.String()
icmd.RunCommand("iptables", "-t", "nat", "-nvL").Assert(c, icmd.Expected{
Out: ipTablesSearchString,
})
out, err := d.Cmd("run", "-d", "--name", "test", "busybox", "top")
assert.NilError(c, err, out)
containerIP := d.FindContainerIP(c, "test")
ip = net.ParseIP(containerIP)
assert.Equal(c, bridgeIPNet.Contains(ip), true, fmt.Sprintf("Container IP-Address must be in the same subnet range : %s", containerIP))
deleteInterface(c, defaultNetworkBridge)
}
func (s *DockerDaemonSuite) TestDaemonRestartWithBridgeIPChange(c *testing.T) {
s.d.Start(c)
defer s.d.Restart(c)
s.d.Stop(c)
// now we will change the docker0's IP and then try starting the daemon
bridgeIP := "192.169.100.1/24"
_, bridgeIPNet, _ := net.ParseCIDR(bridgeIP)
icmd.RunCommand("ifconfig", "docker0", bridgeIP).Assert(c, icmd.Success)
s.d.Start(c, "--bip", bridgeIP)
// check if the iptables contains new bridgeIP MASQUERADE rule
ipTablesSearchString := bridgeIPNet.String()
icmd.RunCommand("iptables", "-t", "nat", "-nvL").Assert(c, icmd.Expected{
Out: ipTablesSearchString,
})
}
func (s *DockerDaemonSuite) TestDaemonBridgeFixedCidr(c *testing.T) {
d := s.d
// make sure the default docker0 bridge doesn't interfere with the test,
// which may happen if it was created with the same IP range.
deleteInterface(c, "docker0")
bridgeName := "ext-bridge2"
bridgeIP := "192.169.1.1/24"
createInterface(c, "bridge", bridgeName, bridgeIP)
defer deleteInterface(c, bridgeName)
args := []string{"--bridge", bridgeName, "--fixed-cidr", "192.169.1.0/30"}
d.StartWithBusybox(c, args...)
defer d.Restart(c)
for i := 0; i < 4; i++ {
cName := "Container" + strconv.Itoa(i)
out, err := d.Cmd("run", "-d", "--name", cName, "busybox", "top")
if err != nil {
assert.Assert(c, strings.Contains(out, "no available IPv4 addresses"), "Could not run a Container : %s %s", err.Error(), out)
}
}
}
func (s *DockerDaemonSuite) TestDaemonBridgeFixedCidr2(c *testing.T) {
d := s.d
// make sure the default docker0 bridge doesn't interfere with the test,
// which may happen if it was created with the same IP range.
deleteInterface(c, "docker0")
bridgeName := "ext-bridge3"
bridgeIP := "10.2.2.1/16"
createInterface(c, "bridge", bridgeName, bridgeIP)
defer deleteInterface(c, bridgeName)
d.StartWithBusybox(c, "--bip", bridgeIP, "--fixed-cidr", "10.2.2.0/24")
defer s.d.Restart(c)
out, err := d.Cmd("run", "-d", "--name", "bb", "busybox", "top")
assert.NilError(c, err, out)
defer d.Cmd("stop", "bb")
out, err = d.Cmd("exec", "bb", "/bin/sh", "-c", "ifconfig eth0 | awk '/inet addr/{print substr($2,6)}'")
assert.NilError(c, err)
assert.Equal(c, out, "10.2.2.0\n")
out, err = d.Cmd("run", "--rm", "busybox", "/bin/sh", "-c", "ifconfig eth0 | awk '/inet addr/{print substr($2,6)}'")
assert.NilError(c, err, out)
assert.Equal(c, out, "10.2.2.2\n")
}
func (s *DockerDaemonSuite) TestDaemonBridgeFixedCIDREqualBridgeNetwork(c *testing.T) {
d := s.d
// make sure the default docker0 bridge doesn't interfere with the test,
// which may happen if it was created with the same IP range.
deleteInterface(c, "docker0")
bridgeName := "ext-bridge4"
bridgeIP := "172.27.42.1/16"
createInterface(c, "bridge", bridgeName, bridgeIP)
defer deleteInterface(c, bridgeName)
d.StartWithBusybox(c, "--bridge", bridgeName, "--fixed-cidr", bridgeIP)
defer s.d.Restart(c)
out, err := d.Cmd("run", "-d", "busybox", "top")
assert.NilError(c, err, out)
cid1 := strings.TrimSpace(out)
defer d.Cmd("stop", cid1)
}
func (s *DockerDaemonSuite) TestDaemonDefaultGatewayIPv4Implicit(c *testing.T) {
defaultNetworkBridge := "docker0"
deleteInterface(c, defaultNetworkBridge)
d := s.d
bridgeIP := "192.169.1.1"
bridgeIPNet := fmt.Sprintf("%s/24", bridgeIP)
d.StartWithBusybox(c, "--bip", bridgeIPNet)
defer d.Restart(c)
expectedMessage := fmt.Sprintf("default via %s dev", bridgeIP)
out, err := d.Cmd("run", "busybox", "ip", "-4", "route", "list", "0/0")
assert.NilError(c, err, out)
assert.Equal(c, strings.Contains(out, expectedMessage), true, fmt.Sprintf("Implicit default gateway should be bridge IP %s, but default route was '%s'", bridgeIP, strings.TrimSpace(out)))
deleteInterface(c, defaultNetworkBridge)
}
func (s *DockerDaemonSuite) TestDaemonDefaultGatewayIPv4Explicit(c *testing.T) {
defaultNetworkBridge := "docker0"
deleteInterface(c, defaultNetworkBridge)
d := s.d
bridgeIP := "192.169.1.1"
bridgeIPNet := fmt.Sprintf("%s/24", bridgeIP)
gatewayIP := "192.169.1.254"
d.StartWithBusybox(c, "--bip", bridgeIPNet, "--default-gateway", gatewayIP)
defer d.Restart(c)
expectedMessage := fmt.Sprintf("default via %s dev", gatewayIP)
out, err := d.Cmd("run", "busybox", "ip", "-4", "route", "list", "0/0")
assert.NilError(c, err, out)
assert.Equal(c, strings.Contains(out, expectedMessage), true, fmt.Sprintf("Explicit default gateway should be %s, but default route was '%s'", gatewayIP, strings.TrimSpace(out)))
deleteInterface(c, defaultNetworkBridge)
}
func (s *DockerDaemonSuite) TestDaemonDefaultGatewayIPv4ExplicitOutsideContainerSubnet(c *testing.T) {
defaultNetworkBridge := "docker0"
deleteInterface(c, defaultNetworkBridge)
// Program a custom default gateway outside of the container subnet, daemon should accept it and start
s.d.StartWithBusybox(c, "--bip", "172.16.0.10/16", "--fixed-cidr", "172.16.1.0/24", "--default-gateway", "172.16.0.254")
deleteInterface(c, defaultNetworkBridge)
s.d.Restart(c)
}
func (s *DockerDaemonSuite) TestDaemonIP(c *testing.T) {
d := s.d
// make sure the default docker0 bridge doesn't interfere with the test,
// which may happen if it was created with the same IP range.
deleteInterface(c, "docker0")
ipStr := "192.170.1.1/24"
ip, _, _ := net.ParseCIDR(ipStr)
args := []string{"--ip", ip.String()}
d.StartWithBusybox(c, args...)
defer d.Restart(c)
out, err := d.Cmd("run", "-d", "-p", "8000:8000", "busybox", "top")
assert.Assert(c, err != nil, "Running a container must fail with an invalid --ip option")
assert.Equal(c, strings.Contains(out, "Error starting userland proxy"), true)
ifName := "dummy"
createInterface(c, "dummy", ifName, ipStr)
defer deleteInterface(c, ifName)
_, err = d.Cmd("run", "-d", "-p", "8000:8000", "busybox", "top")
assert.NilError(c, err, out)
result := icmd.RunCommand("iptables", "-t", "nat", "-nvL")
result.Assert(c, icmd.Success)
regex := fmt.Sprintf("DNAT.*%s.*dpt:8000", ip.String())
matched, _ := regexp.MatchString(regex, result.Combined())
assert.Equal(c, matched, true, fmt.Sprintf("iptables output should have contained %q, but was %q", regex, result.Combined()))
}
func (s *DockerDaemonSuite) TestDaemonICCPing(c *testing.T) {
testRequires(c, bridgeNfIptables)
d := s.d
// make sure the default docker0 bridge doesn't interfere with the test,
// which may happen if it was created with the same IP range.
deleteInterface(c, "docker0")
bridgeName := "ext-bridge5"
bridgeIP := "192.169.1.1/24"
createInterface(c, "bridge", bridgeName, bridgeIP)
defer deleteInterface(c, bridgeName)
d.StartWithBusybox(c, "--bridge", bridgeName, "--icc=false")
defer d.Restart(c)
result := icmd.RunCommand("iptables", "-nvL", "FORWARD")
result.Assert(c, icmd.Success)
regex := fmt.Sprintf("DROP.*all.*%s.*%s", bridgeName, bridgeName)
matched, _ := regexp.MatchString(regex, result.Combined())
assert.Equal(c, matched, true, fmt.Sprintf("iptables output should have contained %q, but was %q", regex, result.Combined()))
// Pinging another container must fail with --icc=false
pingContainers(c, d, true)
ipStr := "192.171.1.1/24"
ip, _, _ := net.ParseCIDR(ipStr)
ifName := "icc-dummy"
createInterface(c, "dummy", ifName, ipStr)
defer deleteInterface(c, ifName)
// But, Pinging external or a Host interface must succeed
pingCmd := fmt.Sprintf("ping -c 1 %s -W 1", ip.String())
runArgs := []string{"run", "--rm", "busybox", "sh", "-c", pingCmd}
out, err := d.Cmd(runArgs...)
assert.NilError(c, err, out)
}
func (s *DockerDaemonSuite) TestDaemonICCLinkExpose(c *testing.T) {
d := s.d
// make sure the default docker0 bridge doesn't interfere with the test,
// which may happen if it was created with the same IP range.
deleteInterface(c, "docker0")
bridgeName := "ext-bridge6"
bridgeIP := "192.169.1.1/24"
createInterface(c, "bridge", bridgeName, bridgeIP)
defer deleteInterface(c, bridgeName)
d.StartWithBusybox(c, "--bridge", bridgeName, "--icc=false")
defer d.Restart(c)
result := icmd.RunCommand("iptables", "-nvL", "FORWARD")
result.Assert(c, icmd.Success)
regex := fmt.Sprintf("DROP.*all.*%s.*%s", bridgeName, bridgeName)
matched, _ := regexp.MatchString(regex, result.Combined())
assert.Equal(c, matched, true, fmt.Sprintf("iptables output should have contained %q, but was %q", regex, result.Combined()))
out, err := d.Cmd("run", "-d", "--expose", "4567", "--name", "icc1", "busybox", "nc", "-l", "-p", "4567")
assert.NilError(c, err, out)
out, err = d.Cmd("run", "--link", "icc1:icc1", "busybox", "nc", "icc1", "4567")
assert.NilError(c, err, out)
}
func (s *DockerDaemonSuite) TestDaemonLinksIpTablesRulesWhenLinkAndUnlink(c *testing.T) {
// make sure the default docker0 bridge doesn't interfere with the test,
// which may happen if it was created with the same IP range.
deleteInterface(c, "docker0")
bridgeName := "ext-bridge7"
bridgeIP := "192.169.1.1/24"
createInterface(c, "bridge", bridgeName, bridgeIP)
defer deleteInterface(c, bridgeName)
s.d.StartWithBusybox(c, "--bridge", bridgeName, "--icc=false")
defer s.d.Restart(c)
out, err := s.d.Cmd("run", "-d", "--name", "child", "--publish", "8080:80", "busybox", "top")
assert.NilError(c, err, out)
out, err = s.d.Cmd("run", "-d", "--name", "parent", "--link", "child:http", "busybox", "top")
assert.NilError(c, err, out)
childIP := s.d.FindContainerIP(c, "child")
parentIP := s.d.FindContainerIP(c, "parent")
sourceRule := []string{"-i", bridgeName, "-o", bridgeName, "-p", "tcp", "-s", childIP, "--sport", "80", "-d", parentIP, "-j", "ACCEPT"}
destinationRule := []string{"-i", bridgeName, "-o", bridgeName, "-p", "tcp", "-s", parentIP, "--dport", "80", "-d", childIP, "-j", "ACCEPT"}
iptable := iptables.GetIptable(iptables.IPv4)
if !iptable.Exists("filter", "DOCKER", sourceRule...) || !iptable.Exists("filter", "DOCKER", destinationRule...) {
c.Fatal("Iptables rules not found")
}
s.d.Cmd("rm", "--link", "parent/http")
if iptable.Exists("filter", "DOCKER", sourceRule...) || iptable.Exists("filter", "DOCKER", destinationRule...) {
c.Fatal("Iptables rules should be removed when unlink")
}
s.d.Cmd("kill", "child")
s.d.Cmd("kill", "parent")
}
func (s *DockerDaemonSuite) TestDaemonUlimitDefaults(c *testing.T) {
s.d.StartWithBusybox(c, "--default-ulimit", "nofile=42:42", "--default-ulimit", "nproc=1024:1024")
out, err := s.d.Cmd("run", "--ulimit", "nproc=2048", "--name=test", "busybox", "/bin/sh", "-c", "echo $(ulimit -n); echo $(ulimit -u)")
if err != nil {
c.Fatal(err, out)
}
outArr := strings.Split(out, "\n")
if len(outArr) < 2 {
c.Fatalf("got unexpected output: %s", out)
}
nofile := strings.TrimSpace(outArr[0])
nproc := strings.TrimSpace(outArr[1])
if nofile != "42" {
c.Fatalf("expected `ulimit -n` to be `42`, got: %s", nofile)
}
if nproc != "2048" {
c.Fatalf("expected `ulimit -u` to be 2048, got: %s", nproc)
}