1package main
2
3import (
4	"os"
5	"strconv"
6	"strings"
7	"time"
8
9	"github.com/docker/docker/integration-cli/checker"
10	"github.com/go-check/check"
11)
12
13func (s *DockerSuite) TestRestartStoppedContainer(c *check.C) {
14	dockerCmd(c, "run", "--name=test", "busybox", "echo", "foobar")
15	cleanedContainerID := getIDByName(c, "test")
16
17	out, _ := dockerCmd(c, "logs", cleanedContainerID)
18	c.Assert(out, checker.Equals, "foobar\n")
19
20	dockerCmd(c, "restart", cleanedContainerID)
21
22	// Wait until the container has stopped
23	err := waitInspect(cleanedContainerID, "{{.State.Running}}", "false", 20*time.Second)
24	c.Assert(err, checker.IsNil)
25
26	out, _ = dockerCmd(c, "logs", cleanedContainerID)
27	c.Assert(out, checker.Equals, "foobar\nfoobar\n")
28}
29
30func (s *DockerSuite) TestRestartRunningContainer(c *check.C) {
31	out, _ := dockerCmd(c, "run", "-d", "busybox", "sh", "-c", "echo foobar && sleep 30 && echo 'should not print this'")
32
33	cleanedContainerID := strings.TrimSpace(out)
34
35	c.Assert(waitRun(cleanedContainerID), checker.IsNil)
36
37	getLogs := func(c *check.C) (interface{}, check.CommentInterface) {
38		out, _ := dockerCmd(c, "logs", cleanedContainerID)
39		return out, nil
40	}
41
42	// Wait 10 seconds for the 'echo' to appear in the logs
43	waitAndAssert(c, 10*time.Second, getLogs, checker.Equals, "foobar\n")
44
45	dockerCmd(c, "restart", "-t", "1", cleanedContainerID)
46	c.Assert(waitRun(cleanedContainerID), checker.IsNil)
47
48	// Wait 10 seconds for first 'echo' appear (again) in the logs
49	waitAndAssert(c, 10*time.Second, getLogs, checker.Equals, "foobar\nfoobar\n")
50}
51
52// Test that restarting a container with a volume does not create a new volume on restart. Regression test for #819.
53func (s *DockerSuite) TestRestartWithVolumes(c *check.C) {
54	prefix, slash := getPrefixAndSlashFromDaemonPlatform()
55	out := runSleepingContainer(c, "-d", "-v", prefix+slash+"test")
56
57	cleanedContainerID := strings.TrimSpace(out)
58	out, err := inspectFilter(cleanedContainerID, "len .Mounts")
59	c.Assert(err, check.IsNil, check.Commentf("failed to inspect %s: %s", cleanedContainerID, out))
60	out = strings.Trim(out, " \n\r")
61	c.Assert(out, checker.Equals, "1")
62
63	source, err := inspectMountSourceField(cleanedContainerID, prefix+slash+"test")
64	c.Assert(err, checker.IsNil)
65
66	dockerCmd(c, "restart", cleanedContainerID)
67
68	out, err = inspectFilter(cleanedContainerID, "len .Mounts")
69	c.Assert(err, check.IsNil, check.Commentf("failed to inspect %s: %s", cleanedContainerID, out))
70	out = strings.Trim(out, " \n\r")
71	c.Assert(out, checker.Equals, "1")
72
73	sourceAfterRestart, err := inspectMountSourceField(cleanedContainerID, prefix+slash+"test")
74	c.Assert(err, checker.IsNil)
75	c.Assert(source, checker.Equals, sourceAfterRestart)
76}
77
78func (s *DockerSuite) TestRestartDisconnectedContainer(c *check.C) {
79	testRequires(c, DaemonIsLinux, SameHostDaemon, NotUserNamespace, NotArm)
80
81	// Run a container on the default bridge network
82	out, _ := dockerCmd(c, "run", "-d", "--name", "c0", "busybox", "top")
83	cleanedContainerID := strings.TrimSpace(out)
84	c.Assert(waitRun(cleanedContainerID), checker.IsNil)
85
86	// Disconnect the container from the network
87	out, err := dockerCmd(c, "network", "disconnect", "bridge", "c0")
88	c.Assert(err, check.NotNil, check.Commentf(out))
89
90	// Restart the container
91	dockerCmd(c, "restart", "c0")
92	c.Assert(err, check.NotNil, check.Commentf(out))
93}
94
95func (s *DockerSuite) TestRestartPolicyNO(c *check.C) {
96	out, _ := dockerCmd(c, "create", "--restart=no", "busybox")
97
98	id := strings.TrimSpace(string(out))
99	name := inspectField(c, id, "HostConfig.RestartPolicy.Name")
100	c.Assert(name, checker.Equals, "no")
101}
102
103func (s *DockerSuite) TestRestartPolicyAlways(c *check.C) {
104	out, _ := dockerCmd(c, "create", "--restart=always", "busybox")
105
106	id := strings.TrimSpace(string(out))
107	name := inspectField(c, id, "HostConfig.RestartPolicy.Name")
108	c.Assert(name, checker.Equals, "always")
109
110	MaximumRetryCount := inspectField(c, id, "HostConfig.RestartPolicy.MaximumRetryCount")
111
112	// MaximumRetryCount=0 if the restart policy is always
113	c.Assert(MaximumRetryCount, checker.Equals, "0")
114}
115
116func (s *DockerSuite) TestRestartPolicyOnFailure(c *check.C) {
117	out, _, err := dockerCmdWithError("create", "--restart=on-failure:-1", "busybox")
118	c.Assert(err, check.NotNil, check.Commentf(out))
119	c.Assert(out, checker.Contains, "maximum retry count cannot be negative")
120
121	out, _ = dockerCmd(c, "create", "--restart=on-failure:1", "busybox")
122
123	id := strings.TrimSpace(string(out))
124	name := inspectField(c, id, "HostConfig.RestartPolicy.Name")
125	maxRetry := inspectField(c, id, "HostConfig.RestartPolicy.MaximumRetryCount")
126
127	c.Assert(name, checker.Equals, "on-failure")
128	c.Assert(maxRetry, checker.Equals, "1")
129
130	out, _ = dockerCmd(c, "create", "--restart=on-failure:0", "busybox")
131
132	id = strings.TrimSpace(string(out))
133	name = inspectField(c, id, "HostConfig.RestartPolicy.Name")
134	maxRetry = inspectField(c, id, "HostConfig.RestartPolicy.MaximumRetryCount")
135
136	c.Assert(name, checker.Equals, "on-failure")
137	c.Assert(maxRetry, checker.Equals, "0")
138
139	out, _ = dockerCmd(c, "create", "--restart=on-failure", "busybox")
140
141	id = strings.TrimSpace(string(out))
142	name = inspectField(c, id, "HostConfig.RestartPolicy.Name")
143	maxRetry = inspectField(c, id, "HostConfig.RestartPolicy.MaximumRetryCount")
144
145	c.Assert(name, checker.Equals, "on-failure")
146	c.Assert(maxRetry, checker.Equals, "0")
147}
148
149// a good container with --restart=on-failure:3
150// MaximumRetryCount!=0; RestartCount=0
151func (s *DockerSuite) TestRestartContainerwithGoodContainer(c *check.C) {
152	out, _ := dockerCmd(c, "run", "-d", "--restart=on-failure:3", "busybox", "true")
153
154	id := strings.TrimSpace(string(out))
155	err := waitInspect(id, "{{ .State.Restarting }} {{ .State.Running }}", "false false", 30*time.Second)
156	c.Assert(err, checker.IsNil)
157
158	count := inspectField(c, id, "RestartCount")
159	c.Assert(count, checker.Equals, "0")
160
161	MaximumRetryCount := inspectField(c, id, "HostConfig.RestartPolicy.MaximumRetryCount")
162	c.Assert(MaximumRetryCount, checker.Equals, "3")
163
164}
165
166func (s *DockerSuite) TestRestartContainerSuccess(c *check.C) {
167	testRequires(c, SameHostDaemon)
168
169	out := runSleepingContainer(c, "-d", "--restart=always")
170	id := strings.TrimSpace(out)
171	c.Assert(waitRun(id), check.IsNil)
172
173	pidStr := inspectField(c, id, "State.Pid")
174
175	pid, err := strconv.Atoi(pidStr)
176	c.Assert(err, check.IsNil)
177
178	p, err := os.FindProcess(pid)
179	c.Assert(err, check.IsNil)
180	c.Assert(p, check.NotNil)
181
182	err = p.Kill()
183	c.Assert(err, check.IsNil)
184
185	err = waitInspect(id, "{{.RestartCount}}", "1", 30*time.Second)
186	c.Assert(err, check.IsNil)
187
188	err = waitInspect(id, "{{.State.Status}}", "running", 30*time.Second)
189	c.Assert(err, check.IsNil)
190}
191
192func (s *DockerSuite) TestRestartWithPolicyUserDefinedNetwork(c *check.C) {
193	// TODO Windows. This may be portable following HNS integration post TP5.
194	testRequires(c, DaemonIsLinux, SameHostDaemon, NotUserNamespace, NotArm)
195	dockerCmd(c, "network", "create", "-d", "bridge", "udNet")
196
197	dockerCmd(c, "run", "-d", "--net=udNet", "--name=first", "busybox", "top")
198	c.Assert(waitRun("first"), check.IsNil)
199
200	dockerCmd(c, "run", "-d", "--restart=always", "--net=udNet", "--name=second",
201		"--link=first:foo", "busybox", "top")
202	c.Assert(waitRun("second"), check.IsNil)
203
204	// ping to first and its alias foo must succeed
205	_, _, err := dockerCmdWithError("exec", "second", "ping", "-c", "1", "first")
206	c.Assert(err, check.IsNil)
207	_, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "foo")
208	c.Assert(err, check.IsNil)
209
210	// Now kill the second container and let the restart policy kick in
211	pidStr := inspectField(c, "second", "State.Pid")
212
213	pid, err := strconv.Atoi(pidStr)
214	c.Assert(err, check.IsNil)
215
216	p, err := os.FindProcess(pid)
217	c.Assert(err, check.IsNil)
218	c.Assert(p, check.NotNil)
219
220	err = p.Kill()
221	c.Assert(err, check.IsNil)
222
223	err = waitInspect("second", "{{.RestartCount}}", "1", 5*time.Second)
224	c.Assert(err, check.IsNil)
225
226	err = waitInspect("second", "{{.State.Status}}", "running", 5*time.Second)
227
228	// ping to first and its alias foo must still succeed
229	_, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "first")
230	c.Assert(err, check.IsNil)
231	_, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "foo")
232	c.Assert(err, check.IsNil)
233}
234
235func (s *DockerSuite) TestRestartPolicyAfterRestart(c *check.C) {
236	testRequires(c, SameHostDaemon)
237
238	out := runSleepingContainer(c, "-d", "--restart=always")
239	id := strings.TrimSpace(out)
240	c.Assert(waitRun(id), check.IsNil)
241
242	dockerCmd(c, "restart", id)
243
244	c.Assert(waitRun(id), check.IsNil)
245
246	pidStr := inspectField(c, id, "State.Pid")
247
248	pid, err := strconv.Atoi(pidStr)
249	c.Assert(err, check.IsNil)
250
251	p, err := os.FindProcess(pid)
252	c.Assert(err, check.IsNil)
253	c.Assert(p, check.NotNil)
254
255	err = p.Kill()
256	c.Assert(err, check.IsNil)
257
258	err = waitInspect(id, "{{.RestartCount}}", "1", 30*time.Second)
259	c.Assert(err, check.IsNil)
260
261	err = waitInspect(id, "{{.State.Status}}", "running", 30*time.Second)
262	c.Assert(err, check.IsNil)
263}
264
265func (s *DockerSuite) TestRestartContainerwithRestartPolicy(c *check.C) {
266	out1, _ := dockerCmd(c, "run", "-d", "--restart=on-failure:3", "busybox", "false")
267	out2, _ := dockerCmd(c, "run", "-d", "--restart=always", "busybox", "false")
268
269	id1 := strings.TrimSpace(string(out1))
270	id2 := strings.TrimSpace(string(out2))
271	waitTimeout := 15 * time.Second
272	if testEnv.DaemonPlatform() == "windows" {
273		waitTimeout = 150 * time.Second
274	}
275	err := waitInspect(id1, "{{ .State.Restarting }} {{ .State.Running }}", "false false", waitTimeout)
276	c.Assert(err, checker.IsNil)
277
278	dockerCmd(c, "restart", id1)
279	dockerCmd(c, "restart", id2)
280
281	// Make sure we can stop/start (regression test from a705e166cf3bcca62543150c2b3f9bfeae45ecfa)
282	dockerCmd(c, "stop", id1)
283	dockerCmd(c, "stop", id2)
284	dockerCmd(c, "start", id1)
285	dockerCmd(c, "start", id2)
286
287	// Kill the containers, making sure the are stopped at the end of the test
288	dockerCmd(c, "kill", id1)
289	dockerCmd(c, "kill", id2)
290	err = waitInspect(id1, "{{ .State.Restarting }} {{ .State.Running }}", "false false", waitTimeout)
291	c.Assert(err, checker.IsNil)
292	err = waitInspect(id2, "{{ .State.Restarting }} {{ .State.Running }}", "false false", waitTimeout)
293	c.Assert(err, checker.IsNil)
294}
295
296func (s *DockerSuite) TestRestartAutoRemoveContainer(c *check.C) {
297	out := runSleepingContainer(c, "--rm")
298
299	id := strings.TrimSpace(string(out))
300	dockerCmd(c, "restart", id)
301	err := waitInspect(id, "{{ .State.Restarting }} {{ .State.Running }}", "false true", 15*time.Second)
302	c.Assert(err, checker.IsNil)
303
304	out, _ = dockerCmd(c, "ps")
305	c.Assert(out, checker.Contains, id[:12], check.Commentf("container should be restarted instead of removed: %v", out))
306
307	// Kill the container to make sure it will be removed
308	dockerCmd(c, "kill", id)
309}
310