github.com/powellquiring/docker@v1.6.0-rc1/integration-cli/docker_cli_restart_test.go (about) 1 package main 2 3 import ( 4 "os/exec" 5 "strings" 6 "testing" 7 "time" 8 ) 9 10 func TestRestartStoppedContainer(t *testing.T) { 11 defer deleteAllContainers() 12 13 runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "echo", "foobar") 14 out, _, err := runCommandWithOutput(runCmd) 15 if err != nil { 16 t.Fatal(out, err) 17 } 18 19 cleanedContainerID := stripTrailingCharacters(out) 20 21 runCmd = exec.Command(dockerBinary, "wait", cleanedContainerID) 22 if out, _, err = runCommandWithOutput(runCmd); err != nil { 23 t.Fatal(out, err) 24 } 25 26 runCmd = exec.Command(dockerBinary, "logs", cleanedContainerID) 27 out, _, err = runCommandWithOutput(runCmd) 28 if err != nil { 29 t.Fatal(out, err) 30 } 31 32 if out != "foobar\n" { 33 t.Errorf("container should've printed 'foobar'") 34 } 35 36 runCmd = exec.Command(dockerBinary, "restart", cleanedContainerID) 37 if out, _, err = runCommandWithOutput(runCmd); err != nil { 38 t.Fatal(out, err) 39 } 40 41 runCmd = exec.Command(dockerBinary, "logs", cleanedContainerID) 42 out, _, err = runCommandWithOutput(runCmd) 43 if err != nil { 44 t.Fatal(out, err) 45 } 46 47 if out != "foobar\nfoobar\n" { 48 t.Errorf("container should've printed 'foobar' twice") 49 } 50 51 logDone("restart - echo foobar for stopped container") 52 } 53 54 func TestRestartRunningContainer(t *testing.T) { 55 defer deleteAllContainers() 56 57 runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "sh", "-c", "echo foobar && sleep 30 && echo 'should not print this'") 58 out, _, err := runCommandWithOutput(runCmd) 59 if err != nil { 60 t.Fatal(out, err) 61 } 62 63 cleanedContainerID := stripTrailingCharacters(out) 64 65 time.Sleep(1 * time.Second) 66 67 runCmd = exec.Command(dockerBinary, "logs", cleanedContainerID) 68 out, _, err = runCommandWithOutput(runCmd) 69 if err != nil { 70 t.Fatal(out, err) 71 } 72 73 if out != "foobar\n" { 74 t.Errorf("container should've printed 'foobar'") 75 } 76 77 runCmd = exec.Command(dockerBinary, "restart", "-t", "1", cleanedContainerID) 78 if out, _, err = runCommandWithOutput(runCmd); err != nil { 79 t.Fatal(out, err) 80 } 81 82 runCmd = exec.Command(dockerBinary, "logs", cleanedContainerID) 83 out, _, err = runCommandWithOutput(runCmd) 84 if err != nil { 85 t.Fatal(out, err) 86 } 87 88 time.Sleep(1 * time.Second) 89 90 if out != "foobar\nfoobar\n" { 91 t.Errorf("container should've printed 'foobar' twice") 92 } 93 94 logDone("restart - echo foobar for running container") 95 } 96 97 // Test that restarting a container with a volume does not create a new volume on restart. Regression test for #819. 98 func TestRestartWithVolumes(t *testing.T) { 99 defer deleteAllContainers() 100 101 runCmd := exec.Command(dockerBinary, "run", "-d", "-v", "/test", "busybox", "top") 102 out, _, err := runCommandWithOutput(runCmd) 103 if err != nil { 104 t.Fatal(out, err) 105 } 106 107 cleanedContainerID := stripTrailingCharacters(out) 108 109 runCmd = exec.Command(dockerBinary, "inspect", "--format", "{{ len .Volumes }}", cleanedContainerID) 110 out, _, err = runCommandWithOutput(runCmd) 111 if err != nil { 112 t.Fatal(out, err) 113 } 114 115 if out = strings.Trim(out, " \n\r"); out != "1" { 116 t.Errorf("expect 1 volume received %s", out) 117 } 118 119 runCmd = exec.Command(dockerBinary, "inspect", "--format", "{{ .Volumes }}", cleanedContainerID) 120 volumes, _, err := runCommandWithOutput(runCmd) 121 if err != nil { 122 t.Fatal(volumes, err) 123 } 124 125 runCmd = exec.Command(dockerBinary, "restart", cleanedContainerID) 126 if out, _, err = runCommandWithOutput(runCmd); err != nil { 127 t.Fatal(out, err) 128 } 129 130 runCmd = exec.Command(dockerBinary, "inspect", "--format", "{{ len .Volumes }}", cleanedContainerID) 131 out, _, err = runCommandWithOutput(runCmd) 132 if err != nil { 133 t.Fatal(out, err) 134 } 135 136 if out = strings.Trim(out, " \n\r"); out != "1" { 137 t.Errorf("expect 1 volume after restart received %s", out) 138 } 139 140 runCmd = exec.Command(dockerBinary, "inspect", "--format", "{{ .Volumes }}", cleanedContainerID) 141 volumesAfterRestart, _, err := runCommandWithOutput(runCmd) 142 if err != nil { 143 t.Fatal(volumesAfterRestart, err) 144 } 145 146 if volumes != volumesAfterRestart { 147 volumes = strings.Trim(volumes, " \n\r") 148 volumesAfterRestart = strings.Trim(volumesAfterRestart, " \n\r") 149 t.Errorf("expected volume path: %s Actual path: %s", volumes, volumesAfterRestart) 150 } 151 152 logDone("restart - does not create a new volume on restart") 153 } 154 155 func TestRestartPolicyNO(t *testing.T) { 156 defer deleteAllContainers() 157 158 cmd := exec.Command(dockerBinary, "run", "-d", "--restart=no", "busybox", "false") 159 out, _, err := runCommandWithOutput(cmd) 160 if err != nil { 161 t.Fatal(err, out) 162 } 163 164 id := strings.TrimSpace(string(out)) 165 name, err := inspectField(id, "HostConfig.RestartPolicy.Name") 166 if err != nil { 167 t.Fatal(err, out) 168 } 169 if name != "no" { 170 t.Fatalf("Container restart policy name is %s, expected %s", name, "no") 171 } 172 173 logDone("restart - recording restart policy name for --restart=no") 174 } 175 176 func TestRestartPolicyAlways(t *testing.T) { 177 defer deleteAllContainers() 178 179 cmd := exec.Command(dockerBinary, "run", "-d", "--restart=always", "busybox", "false") 180 out, _, err := runCommandWithOutput(cmd) 181 if err != nil { 182 t.Fatal(err, out) 183 } 184 185 id := strings.TrimSpace(string(out)) 186 name, err := inspectField(id, "HostConfig.RestartPolicy.Name") 187 if err != nil { 188 t.Fatal(err, out) 189 } 190 if name != "always" { 191 t.Fatalf("Container restart policy name is %s, expected %s", name, "always") 192 } 193 194 logDone("restart - recording restart policy name for --restart=always") 195 } 196 197 func TestRestartPolicyOnFailure(t *testing.T) { 198 defer deleteAllContainers() 199 200 cmd := exec.Command(dockerBinary, "run", "-d", "--restart=on-failure:1", "busybox", "false") 201 out, _, err := runCommandWithOutput(cmd) 202 if err != nil { 203 t.Fatal(err, out) 204 } 205 206 id := strings.TrimSpace(string(out)) 207 name, err := inspectField(id, "HostConfig.RestartPolicy.Name") 208 if err != nil { 209 t.Fatal(err, out) 210 } 211 if name != "on-failure" { 212 t.Fatalf("Container restart policy name is %s, expected %s", name, "on-failure") 213 } 214 215 logDone("restart - recording restart policy name for --restart=on-failure") 216 } 217 218 // a good container with --restart=on-failure:3 219 // MaximumRetryCount!=0; RestartCount=0 220 func TestContainerRestartwithGoodContainer(t *testing.T) { 221 defer deleteAllContainers() 222 out, err := exec.Command(dockerBinary, "run", "-d", "--restart=on-failure:3", "busybox", "true").CombinedOutput() 223 if err != nil { 224 t.Fatal(string(out), err) 225 } 226 id := strings.TrimSpace(string(out)) 227 if err := waitInspect(id, "{{ .State.Restarting }} {{ .State.Running }}", "false false", 5); err != nil { 228 t.Fatal(err) 229 } 230 count, err := inspectField(id, "RestartCount") 231 if err != nil { 232 t.Fatal(err) 233 } 234 if count != "0" { 235 t.Fatalf("Container was restarted %s times, expected %d", count, 0) 236 } 237 MaximumRetryCount, err := inspectField(id, "HostConfig.RestartPolicy.MaximumRetryCount") 238 if err != nil { 239 t.Fatal(err) 240 } 241 if MaximumRetryCount != "3" { 242 t.Fatalf("Container Maximum Retry Count is %s, expected %s", MaximumRetryCount, "3") 243 } 244 245 logDone("restart - for a good container with restart policy, MaximumRetryCount is not 0 and RestartCount is 0") 246 }