github.com/wulonghui/docker@v1.8.0-rc2/integration-cli/docker_cli_restart_test.go (about) 1 package main 2 3 import ( 4 "strings" 5 "time" 6 7 "github.com/go-check/check" 8 ) 9 10 func (s *DockerSuite) TestRestartStoppedContainer(c *check.C) { 11 out, _ := dockerCmd(c, "run", "-d", "busybox", "echo", "foobar") 12 13 cleanedContainerID := strings.TrimSpace(out) 14 dockerCmd(c, "wait", cleanedContainerID) 15 16 out, _ = dockerCmd(c, "logs", cleanedContainerID) 17 if out != "foobar\n" { 18 c.Errorf("container should've printed 'foobar'") 19 } 20 21 dockerCmd(c, "restart", cleanedContainerID) 22 23 out, _ = dockerCmd(c, "logs", cleanedContainerID) 24 if out != "foobar\nfoobar\n" { 25 c.Errorf("container should've printed 'foobar' twice, got %v", out) 26 } 27 } 28 29 func (s *DockerSuite) TestRestartRunningContainer(c *check.C) { 30 out, _ := dockerCmd(c, "run", "-d", "busybox", "sh", "-c", "echo foobar && sleep 30 && echo 'should not print this'") 31 32 cleanedContainerID := strings.TrimSpace(out) 33 34 time.Sleep(1 * time.Second) 35 36 out, _ = dockerCmd(c, "logs", cleanedContainerID) 37 if out != "foobar\n" { 38 c.Errorf("container should've printed 'foobar'") 39 } 40 41 dockerCmd(c, "restart", "-t", "1", cleanedContainerID) 42 43 out, _ = dockerCmd(c, "logs", cleanedContainerID) 44 45 time.Sleep(1 * time.Second) 46 47 if out != "foobar\nfoobar\n" { 48 c.Errorf("container should've printed 'foobar' twice") 49 } 50 } 51 52 // Test that restarting a container with a volume does not create a new volume on restart. Regression test for #819. 53 func (s *DockerSuite) TestRestartWithVolumes(c *check.C) { 54 out, _ := dockerCmd(c, "run", "-d", "-v", "/test", "busybox", "top") 55 56 cleanedContainerID := strings.TrimSpace(out) 57 out, _ = dockerCmd(c, "inspect", "--format", "{{ len .Mounts }}", cleanedContainerID) 58 59 if out = strings.Trim(out, " \n\r"); out != "1" { 60 c.Errorf("expect 1 volume received %s", out) 61 } 62 63 source, err := inspectMountSourceField(cleanedContainerID, "/test") 64 c.Assert(err, check.IsNil) 65 66 dockerCmd(c, "restart", cleanedContainerID) 67 68 out, _ = dockerCmd(c, "inspect", "--format", "{{ len .Mounts }}", cleanedContainerID) 69 if out = strings.Trim(out, " \n\r"); out != "1" { 70 c.Errorf("expect 1 volume after restart received %s", out) 71 } 72 73 sourceAfterRestart, err := inspectMountSourceField(cleanedContainerID, "/test") 74 c.Assert(err, check.IsNil) 75 76 if source != sourceAfterRestart { 77 c.Errorf("expected volume path: %s Actual path: %s", source, sourceAfterRestart) 78 } 79 } 80 81 func (s *DockerSuite) TestRestartPolicyNO(c *check.C) { 82 out, _ := dockerCmd(c, "run", "-d", "--restart=no", "busybox", "false") 83 84 id := strings.TrimSpace(string(out)) 85 name, err := inspectField(id, "HostConfig.RestartPolicy.Name") 86 c.Assert(err, check.IsNil) 87 if name != "no" { 88 c.Fatalf("Container restart policy name is %s, expected %s", name, "no") 89 } 90 } 91 92 func (s *DockerSuite) TestRestartPolicyAlways(c *check.C) { 93 out, _ := dockerCmd(c, "run", "-d", "--restart=always", "busybox", "false") 94 95 id := strings.TrimSpace(string(out)) 96 name, err := inspectField(id, "HostConfig.RestartPolicy.Name") 97 c.Assert(err, check.IsNil) 98 if name != "always" { 99 c.Fatalf("Container restart policy name is %s, expected %s", name, "always") 100 } 101 102 MaximumRetryCount, err := inspectField(id, "HostConfig.RestartPolicy.MaximumRetryCount") 103 c.Assert(err, check.IsNil) 104 105 // MaximumRetryCount=0 if the restart policy is always 106 if MaximumRetryCount != "0" { 107 c.Fatalf("Container Maximum Retry Count is %s, expected %s", MaximumRetryCount, "0") 108 } 109 } 110 111 func (s *DockerSuite) TestRestartPolicyOnFailure(c *check.C) { 112 out, _ := dockerCmd(c, "run", "-d", "--restart=on-failure:1", "busybox", "false") 113 114 id := strings.TrimSpace(string(out)) 115 name, err := inspectField(id, "HostConfig.RestartPolicy.Name") 116 c.Assert(err, check.IsNil) 117 if name != "on-failure" { 118 c.Fatalf("Container restart policy name is %s, expected %s", name, "on-failure") 119 } 120 121 } 122 123 // a good container with --restart=on-failure:3 124 // MaximumRetryCount!=0; RestartCount=0 125 func (s *DockerSuite) TestContainerRestartwithGoodContainer(c *check.C) { 126 out, _ := dockerCmd(c, "run", "-d", "--restart=on-failure:3", "busybox", "true") 127 128 id := strings.TrimSpace(string(out)) 129 if err := waitInspect(id, "{{ .State.Restarting }} {{ .State.Running }}", "false false", 5); err != nil { 130 c.Fatal(err) 131 } 132 count, err := inspectField(id, "RestartCount") 133 c.Assert(err, check.IsNil) 134 if count != "0" { 135 c.Fatalf("Container was restarted %s times, expected %d", count, 0) 136 } 137 MaximumRetryCount, err := inspectField(id, "HostConfig.RestartPolicy.MaximumRetryCount") 138 c.Assert(err, check.IsNil) 139 if MaximumRetryCount != "3" { 140 c.Fatalf("Container Maximum Retry Count is %s, expected %s", MaximumRetryCount, "3") 141 } 142 143 }