-
Notifications
You must be signed in to change notification settings - Fork 0
/
run_linux_test.go
358 lines (283 loc) · 11.3 KB
/
run_linux_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
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
package container // import "github.com/docker/docker/integration/container"
import (
"bytes"
"io"
"os"
"os/exec"
"path/filepath"
"strings"
"testing"
"time"
containertypes "github.com/docker/docker/api/types/container"
"github.com/docker/docker/api/types/versions"
"github.com/docker/docker/client"
"github.com/docker/docker/integration/internal/container"
net "github.com/docker/docker/integration/internal/network"
"github.com/docker/docker/pkg/stdcopy"
"github.com/docker/docker/testutil"
"github.com/docker/docker/testutil/daemon"
"golang.org/x/sys/unix"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
"gotest.tools/v3/poll"
"gotest.tools/v3/skip"
)
func TestNISDomainname(t *testing.T) {
skip.If(t, testEnv.DaemonInfo.OSType != "linux")
// Rootless supports custom Hostname but doesn't support custom Domainname
// OCI runtime create failed: container_linux.go:349: starting container process caused "process_linux.go:449: container init caused \
// "write sysctl key kernel.domainname: open /proc/sys/kernel/domainname: permission denied\"": unknown.
skip.If(t, testEnv.IsRootless, "rootless mode doesn't support setting Domainname (TODO: https://github.com/moby/moby/issues/40632)")
ctx := setupTest(t)
apiClient := testEnv.APIClient()
const (
hostname = "foobar"
domainname = "baz.cyphar.com"
)
cID := container.Run(ctx, t, apiClient, func(c *container.TestContainerConfig) {
c.Config.Hostname = hostname
c.Config.Domainname = domainname
})
inspect, err := apiClient.ContainerInspect(ctx, cID)
assert.NilError(t, err)
assert.Check(t, is.Equal(hostname, inspect.Config.Hostname))
assert.Check(t, is.Equal(domainname, inspect.Config.Domainname))
// Check hostname.
res, err := container.Exec(ctx, apiClient, cID,
[]string{"cat", "/proc/sys/kernel/hostname"})
assert.NilError(t, err)
assert.Assert(t, is.Len(res.Stderr(), 0))
assert.Equal(t, 0, res.ExitCode)
assert.Check(t, is.Equal(hostname, strings.TrimSpace(res.Stdout())))
// Check domainname.
res, err = container.Exec(ctx, apiClient, cID,
[]string{"cat", "/proc/sys/kernel/domainname"})
assert.NilError(t, err)
assert.Assert(t, is.Len(res.Stderr(), 0))
assert.Equal(t, 0, res.ExitCode)
assert.Check(t, is.Equal(domainname, strings.TrimSpace(res.Stdout())))
}
func TestHostnameDnsResolution(t *testing.T) {
skip.If(t, testEnv.DaemonInfo.OSType != "linux")
ctx := setupTest(t)
apiClient := testEnv.APIClient()
const (
hostname = "foobar"
)
// using user defined network as we want to use internal DNS
netName := "foobar-net"
net.CreateNoError(ctx, t, apiClient, netName, net.WithDriver("bridge"))
cID := container.Run(ctx, t, apiClient, func(c *container.TestContainerConfig) {
c.Config.Hostname = hostname
c.HostConfig.NetworkMode = containertypes.NetworkMode(netName)
})
inspect, err := apiClient.ContainerInspect(ctx, cID)
assert.NilError(t, err)
assert.Check(t, is.Equal(hostname, inspect.Config.Hostname))
// Clear hosts file so ping will use DNS for hostname resolution
res, err := container.Exec(ctx, apiClient, cID,
[]string{"sh", "-c", "echo 127.0.0.1 localhost | tee /etc/hosts && ping -c 1 foobar"})
assert.NilError(t, err)
assert.Check(t, is.Equal("", res.Stderr()))
assert.Equal(t, 0, res.ExitCode)
}
func TestUnprivilegedPortsAndPing(t *testing.T) {
skip.If(t, testEnv.DaemonInfo.OSType != "linux")
skip.If(t, testEnv.IsRootless, "rootless mode doesn't support setting net.ipv4.ping_group_range and net.ipv4.ip_unprivileged_port_start")
ctx := setupTest(t)
apiClient := testEnv.APIClient()
cID := container.Run(ctx, t, apiClient, func(c *container.TestContainerConfig) {
c.Config.User = "1000:1000"
})
// Check net.ipv4.ping_group_range.
res, err := container.Exec(ctx, apiClient, cID, []string{"cat", "/proc/sys/net/ipv4/ping_group_range"})
assert.NilError(t, err)
assert.Assert(t, is.Len(res.Stderr(), 0))
assert.Equal(t, 0, res.ExitCode)
assert.Equal(t, `0 2147483647`, strings.TrimSpace(res.Stdout()))
// Check net.ipv4.ip_unprivileged_port_start.
res, err = container.Exec(ctx, apiClient, cID, []string{"cat", "/proc/sys/net/ipv4/ip_unprivileged_port_start"})
assert.NilError(t, err)
assert.Assert(t, is.Len(res.Stderr(), 0))
assert.Equal(t, 0, res.ExitCode)
assert.Equal(t, "0", strings.TrimSpace(res.Stdout()))
}
func TestPrivilegedHostDevices(t *testing.T) {
// Host devices are linux only. Also it creates host devices,
// so needs to be same host.
skip.If(t, testEnv.IsRemoteDaemon)
skip.If(t, testEnv.DaemonInfo.OSType != "linux")
ctx := setupTest(t)
apiClient := testEnv.APIClient()
const (
devTest = "/dev/test"
devRootOnlyTest = "/dev/root-only/test"
)
// Create Null devices.
if err := unix.Mknod(devTest, unix.S_IFCHR|0o600, int(unix.Mkdev(1, 3))); err != nil {
t.Fatal(err)
}
defer os.Remove(devTest)
if err := os.Mkdir(filepath.Dir(devRootOnlyTest), 0o700); err != nil {
t.Fatal(err)
}
defer os.RemoveAll(filepath.Dir(devRootOnlyTest))
if err := unix.Mknod(devRootOnlyTest, unix.S_IFCHR|0o600, int(unix.Mkdev(1, 3))); err != nil {
t.Fatal(err)
}
defer os.Remove(devRootOnlyTest)
cID := container.Run(ctx, t, apiClient, container.WithPrivileged(true))
// Check test device.
res, err := container.Exec(ctx, apiClient, cID, []string{"ls", devTest})
assert.NilError(t, err)
assert.Equal(t, 0, res.ExitCode)
assert.Check(t, is.Equal(strings.TrimSpace(res.Stdout()), devTest))
// Check root-only test device.
res, err = container.Exec(ctx, apiClient, cID, []string{"ls", devRootOnlyTest})
assert.NilError(t, err)
if testEnv.IsRootless() {
assert.Equal(t, 1, res.ExitCode)
assert.Check(t, is.Contains(res.Stderr(), "No such file or directory"))
} else {
assert.Equal(t, 0, res.ExitCode)
assert.Check(t, is.Equal(strings.TrimSpace(res.Stdout()), devRootOnlyTest))
}
}
func TestRunConsoleSize(t *testing.T) {
skip.If(t, testEnv.DaemonInfo.OSType != "linux")
skip.If(t, versions.LessThan(testEnv.DaemonAPIVersion(), "1.42"), "skip test from new feature")
ctx := setupTest(t)
apiClient := testEnv.APIClient()
cID := container.Run(ctx, t, apiClient,
container.WithTty(true),
container.WithImage("busybox"),
container.WithCmd("stty", "size"),
container.WithConsoleSize(57, 123),
)
poll.WaitOn(t, container.IsStopped(ctx, apiClient, cID), poll.WithDelay(100*time.Millisecond))
out, err := apiClient.ContainerLogs(ctx, cID, containertypes.LogsOptions{ShowStdout: true})
assert.NilError(t, err)
defer out.Close()
var b bytes.Buffer
_, err = io.Copy(&b, out)
assert.NilError(t, err)
assert.Equal(t, strings.TrimSpace(b.String()), "123 57")
}
func TestRunWithAlternativeContainerdShim(t *testing.T) {
skip.If(t, testEnv.IsRemoteDaemon)
skip.If(t, testEnv.DaemonInfo.OSType != "linux")
ctx := testutil.StartSpan(baseContext, t)
realShimPath, err := exec.LookPath("containerd-shim-runc-v2")
assert.Assert(t, err)
realShimPath, err = filepath.Abs(realShimPath)
assert.Assert(t, err)
shimDir := testutil.TempDir(t)
assert.Assert(t, err)
shimDir, err = filepath.Abs(shimDir)
assert.Assert(t, err)
assert.Assert(t, os.Symlink(realShimPath, filepath.Join(shimDir, "containerd-shim-realfake-v42")))
d := daemon.New(t,
daemon.WithEnvVars("PATH="+shimDir+":"+os.Getenv("PATH")),
daemon.WithContainerdSocket(""), // A new containerd instance needs to be started which inherits the PATH env var defined above.
)
d.StartWithBusybox(ctx, t)
defer d.Stop(t)
apiClient := d.NewClientT(t)
cID := container.Run(ctx, t, apiClient,
container.WithImage("busybox"),
container.WithCmd("sh", "-c", `echo 'Hello, world!'`),
container.WithRuntime("io.containerd.realfake.v42"),
)
poll.WaitOn(t, container.IsStopped(ctx, apiClient, cID), poll.WithDelay(100*time.Millisecond))
out, err := apiClient.ContainerLogs(ctx, cID, containertypes.LogsOptions{ShowStdout: true})
assert.NilError(t, err)
defer out.Close()
var b bytes.Buffer
_, err = stdcopy.StdCopy(&b, io.Discard, out)
assert.NilError(t, err)
assert.Equal(t, strings.TrimSpace(b.String()), "Hello, world!")
d.Stop(t)
d.Start(t, "--default-runtime="+"io.containerd.realfake.v42")
cID = container.Run(ctx, t, apiClient,
container.WithImage("busybox"),
container.WithCmd("sh", "-c", `echo 'Hello, world!'`),
)
poll.WaitOn(t, container.IsStopped(ctx, apiClient, cID), poll.WithDelay(100*time.Millisecond))
out, err = apiClient.ContainerLogs(ctx, cID, containertypes.LogsOptions{ShowStdout: true})
assert.NilError(t, err)
defer out.Close()
b.Reset()
_, err = stdcopy.StdCopy(&b, io.Discard, out)
assert.NilError(t, err)
assert.Equal(t, strings.TrimSpace(b.String()), "Hello, world!")
}
func TestMacAddressIsAppliedToMainNetworkWithShortID(t *testing.T) {
skip.If(t, testEnv.IsRemoteDaemon)
skip.If(t, testEnv.DaemonInfo.OSType != "linux")
ctx := testutil.StartSpan(baseContext, t)
d := daemon.New(t)
d.StartWithBusybox(ctx, t)
defer d.Stop(t)
apiClient, err := client.NewClientWithOpts(client.FromEnv, client.WithVersion("1.43"))
assert.NilError(t, err)
n := net.CreateNoError(ctx, t, apiClient, "testnet", net.WithIPAM("192.168.101.0/24", "192.168.101.1"))
cid := container.Run(ctx, t, apiClient,
container.WithImage("busybox:latest"),
container.WithCmd("/bin/sleep", "infinity"),
container.WithStopSignal("SIGKILL"),
container.WithNetworkMode(n[:10]),
container.WithContainerWideMacAddress("02:42:08:26:a9:55"))
defer container.Remove(ctx, t, apiClient, cid, containertypes.RemoveOptions{Force: true})
c := container.Inspect(ctx, t, apiClient, cid)
assert.Equal(t, c.NetworkSettings.Networks["testnet"].MacAddress, "02:42:08:26:a9:55")
}
func TestStaticIPOutsideSubpool(t *testing.T) {
skip.If(t, testEnv.IsRemoteDaemon)
skip.If(t, testEnv.DaemonInfo.OSType != "linux")
ctx := testutil.StartSpan(baseContext, t)
d := daemon.New(t)
d.StartWithBusybox(ctx, t)
defer d.Stop(t)
apiClient, err := client.NewClientWithOpts(client.FromEnv, client.WithVersion("1.43"))
assert.NilError(t, err)
const netname = "subnet-range"
n := net.CreateNoError(ctx, t, apiClient, netname, net.WithIPAMRange("10.42.0.0/16", "10.42.128.0/24", "10.42.0.1"))
defer net.RemoveNoError(ctx, t, apiClient, n)
cID := container.Run(ctx, t, apiClient,
container.WithImage("busybox:latest"),
container.WithCmd("sh", "-c", `ip -4 -oneline addr show eth0`),
container.WithNetworkMode(netname),
container.WithIPv4(netname, "10.42.1.3"),
)
poll.WaitOn(t, container.IsStopped(ctx, apiClient, cID), poll.WithDelay(100*time.Millisecond))
out, err := apiClient.ContainerLogs(ctx, cID, containertypes.LogsOptions{ShowStdout: true})
assert.NilError(t, err)
defer out.Close()
var b bytes.Buffer
_, err = io.Copy(&b, out)
assert.NilError(t, err)
assert.Check(t, is.Contains(b.String(), "inet 10.42.1.3/16"))
}
func TestWorkingDirNormalization(t *testing.T) {
ctx := setupTest(t)
apiClient := testEnv.APIClient()
for _, tc := range []struct {
name string
workdir string
}{
{name: "trailing slash", workdir: "/tmp/"},
{name: "no trailing slash", workdir: "/tmp"},
} {
tc := tc
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
cID := container.Run(ctx, t, apiClient,
container.WithImage("busybox"),
container.WithWorkingDir(tc.workdir),
)
defer container.Remove(ctx, t, apiClient, cID, containertypes.RemoveOptions{Force: true})
inspect := container.Inspect(ctx, t, apiClient, cID)
assert.Check(t, is.Equal(inspect.Config.WorkingDir, "/tmp"))
})
}
}