github.com/tsuna/docker@v1.7.0-rc3/integration-cli/docker_cli_restart_test.go (about) 1 package main 2 3 import ( 4 "os/exec" 5 "strings" 6 "time" 7 8 "github.com/go-check/check" 9 ) 10 11 func (s *DockerSuite) TestRestartStoppedContainer(c *check.C) { 12 13 runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "echo", "foobar") 14 out, _, err := runCommandWithOutput(runCmd) 15 if err != nil { 16 c.Fatal(out, err) 17 } 18 19 cleanedContainerID := strings.TrimSpace(out) 20 21 runCmd = exec.Command(dockerBinary, "wait", cleanedContainerID) 22 if out, _, err = runCommandWithOutput(runCmd); err != nil { 23 c.Fatal(out, err) 24 } 25 26 runCmd = exec.Command(dockerBinary, "logs", cleanedContainerID) 27 out, _, err = runCommandWithOutput(runCmd) 28 if err != nil { 29 c.Fatal(out, err) 30 } 31 32 if out != "foobar\n" { 33 c.Errorf("container should've printed 'foobar'") 34 } 35 36 runCmd = exec.Command(dockerBinary, "restart", cleanedContainerID) 37 if out, _, err = runCommandWithOutput(runCmd); err != nil { 38 c.Fatal(out, err) 39 } 40 41 runCmd = exec.Command(dockerBinary, "logs", cleanedContainerID) 42 out, _, err = runCommandWithOutput(runCmd) 43 if err != nil { 44 c.Fatal(out, err) 45 } 46 47 if out != "foobar\nfoobar\n" { 48 c.Errorf("container should've printed 'foobar' twice") 49 } 50 51 } 52 53 func (s *DockerSuite) TestRestartRunningContainer(c *check.C) { 54 55 runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "sh", "-c", "echo foobar && sleep 30 && echo 'should not print this'") 56 out, _, err := runCommandWithOutput(runCmd) 57 if err != nil { 58 c.Fatal(out, err) 59 } 60 61 cleanedContainerID := strings.TrimSpace(out) 62 63 time.Sleep(1 * time.Second) 64 65 runCmd = exec.Command(dockerBinary, "logs", cleanedContainerID) 66 out, _, err = runCommandWithOutput(runCmd) 67 if err != nil { 68 c.Fatal(out, err) 69 } 70 71 if out != "foobar\n" { 72 c.Errorf("container should've printed 'foobar'") 73 } 74 75 runCmd = exec.Command(dockerBinary, "restart", "-t", "1", cleanedContainerID) 76 if out, _, err = runCommandWithOutput(runCmd); err != nil { 77 c.Fatal(out, err) 78 } 79 80 runCmd = exec.Command(dockerBinary, "logs", cleanedContainerID) 81 out, _, err = runCommandWithOutput(runCmd) 82 if err != nil { 83 c.Fatal(out, err) 84 } 85 86 time.Sleep(1 * time.Second) 87 88 if out != "foobar\nfoobar\n" { 89 c.Errorf("container should've printed 'foobar' twice") 90 } 91 92 } 93 94 // Test that restarting a container with a volume does not create a new volume on restart. Regression test for #819. 95 func (s *DockerSuite) TestRestartWithVolumes(c *check.C) { 96 97 runCmd := exec.Command(dockerBinary, "run", "-d", "-v", "/test", "busybox", "top") 98 out, _, err := runCommandWithOutput(runCmd) 99 if err != nil { 100 c.Fatal(out, err) 101 } 102 103 cleanedContainerID := strings.TrimSpace(out) 104 105 runCmd = exec.Command(dockerBinary, "inspect", "--format", "{{ len .Volumes }}", cleanedContainerID) 106 out, _, err = runCommandWithOutput(runCmd) 107 if err != nil { 108 c.Fatal(out, err) 109 } 110 111 if out = strings.Trim(out, " \n\r"); out != "1" { 112 c.Errorf("expect 1 volume received %s", out) 113 } 114 115 volumes, err := inspectField(cleanedContainerID, ".Volumes") 116 c.Assert(err, check.IsNil) 117 118 runCmd = exec.Command(dockerBinary, "restart", cleanedContainerID) 119 if out, _, err = runCommandWithOutput(runCmd); err != nil { 120 c.Fatal(out, err) 121 } 122 123 runCmd = exec.Command(dockerBinary, "inspect", "--format", "{{ len .Volumes }}", cleanedContainerID) 124 out, _, err = runCommandWithOutput(runCmd) 125 if err != nil { 126 c.Fatal(out, err) 127 } 128 129 if out = strings.Trim(out, " \n\r"); out != "1" { 130 c.Errorf("expect 1 volume after restart received %s", out) 131 } 132 133 volumesAfterRestart, err := inspectField(cleanedContainerID, ".Volumes") 134 c.Assert(err, check.IsNil) 135 136 if volumes != volumesAfterRestart { 137 c.Errorf("expected volume path: %s Actual path: %s", volumes, volumesAfterRestart) 138 } 139 140 } 141 142 func (s *DockerSuite) TestRestartPolicyNO(c *check.C) { 143 144 cmd := exec.Command(dockerBinary, "run", "-d", "--restart=no", "busybox", "false") 145 out, _, err := runCommandWithOutput(cmd) 146 if err != nil { 147 c.Fatal(err, out) 148 } 149 150 id := strings.TrimSpace(string(out)) 151 name, err := inspectField(id, "HostConfig.RestartPolicy.Name") 152 c.Assert(err, check.IsNil) 153 if name != "no" { 154 c.Fatalf("Container restart policy name is %s, expected %s", name, "no") 155 } 156 157 } 158 159 func (s *DockerSuite) TestRestartPolicyAlways(c *check.C) { 160 161 cmd := exec.Command(dockerBinary, "run", "-d", "--restart=always", "busybox", "false") 162 out, _, err := runCommandWithOutput(cmd) 163 if err != nil { 164 c.Fatal(err, out) 165 } 166 167 id := strings.TrimSpace(string(out)) 168 name, err := inspectField(id, "HostConfig.RestartPolicy.Name") 169 c.Assert(err, check.IsNil) 170 if name != "always" { 171 c.Fatalf("Container restart policy name is %s, expected %s", name, "always") 172 } 173 174 MaximumRetryCount, err := inspectField(id, "HostConfig.RestartPolicy.MaximumRetryCount") 175 c.Assert(err, check.IsNil) 176 177 // MaximumRetryCount=0 if the restart policy is always 178 if MaximumRetryCount != "0" { 179 c.Fatalf("Container Maximum Retry Count is %s, expected %s", MaximumRetryCount, "0") 180 } 181 182 } 183 184 func (s *DockerSuite) TestRestartPolicyOnFailure(c *check.C) { 185 186 cmd := exec.Command(dockerBinary, "run", "-d", "--restart=on-failure:1", "busybox", "false") 187 out, _, err := runCommandWithOutput(cmd) 188 if err != nil { 189 c.Fatal(err, out) 190 } 191 192 id := strings.TrimSpace(string(out)) 193 name, err := inspectField(id, "HostConfig.RestartPolicy.Name") 194 c.Assert(err, check.IsNil) 195 if name != "on-failure" { 196 c.Fatalf("Container restart policy name is %s, expected %s", name, "on-failure") 197 } 198 199 } 200 201 // a good container with --restart=on-failure:3 202 // MaximumRetryCount!=0; RestartCount=0 203 func (s *DockerSuite) TestContainerRestartwithGoodContainer(c *check.C) { 204 out, err := exec.Command(dockerBinary, "run", "-d", "--restart=on-failure:3", "busybox", "true").CombinedOutput() 205 if err != nil { 206 c.Fatal(string(out), err) 207 } 208 id := strings.TrimSpace(string(out)) 209 if err := waitInspect(id, "{{ .State.Restarting }} {{ .State.Running }}", "false false", 5); err != nil { 210 c.Fatal(err) 211 } 212 count, err := inspectField(id, "RestartCount") 213 c.Assert(err, check.IsNil) 214 if count != "0" { 215 c.Fatalf("Container was restarted %s times, expected %d", count, 0) 216 } 217 MaximumRetryCount, err := inspectField(id, "HostConfig.RestartPolicy.MaximumRetryCount") 218 c.Assert(err, check.IsNil) 219 if MaximumRetryCount != "3" { 220 c.Fatalf("Container Maximum Retry Count is %s, expected %s", MaximumRetryCount, "3") 221 } 222 223 }