github.com/projectatomic/docker@v1.8.2/integration-cli/docker_cli_inspect_test.go (about) 1 package main 2 3 import ( 4 "fmt" 5 "os/exec" 6 "strconv" 7 "strings" 8 "time" 9 10 "github.com/docker/docker/api/types" 11 "github.com/go-check/check" 12 ) 13 14 func (s *DockerSuite) TestInspectImage(c *check.C) { 15 imageTest := "emptyfs" 16 imageTestID := "511136ea3c5a64f264b78b5433614aec563103b4d4702f3ba7d4d2698e22c158" 17 id, err := inspectField(imageTest, "Id") 18 c.Assert(err, check.IsNil) 19 20 if id != imageTestID { 21 c.Fatalf("Expected id: %s for image: %s but received id: %s", imageTestID, imageTest, id) 22 } 23 } 24 25 func (s *DockerSuite) TestInspectInt64(c *check.C) { 26 runCmd := exec.Command(dockerBinary, "run", "-d", "-m=300M", "busybox", "true") 27 out, _, _, err := runCommandWithStdoutStderr(runCmd) 28 if err != nil { 29 c.Fatalf("failed to run container: %v, output: %q", err, out) 30 } 31 out = strings.TrimSpace(out) 32 33 inspectOut, err := inspectField(out, "HostConfig.Memory") 34 c.Assert(err, check.IsNil) 35 36 if inspectOut != "314572800" { 37 c.Fatalf("inspect got wrong value, got: %q, expected: 314572800", inspectOut) 38 } 39 } 40 41 func (s *DockerSuite) TestInspectDefault(c *check.C) { 42 43 //Both the container and image are named busybox. docker inspect will fetch the container JSON. 44 //If the container JSON is not available, it will go for the image JSON. 45 46 dockerCmd(c, "run", "--name=busybox", "-d", "busybox", "true") 47 dockerCmd(c, "inspect", "busybox") 48 } 49 50 func (s *DockerSuite) TestInspectTypeFlagContainer(c *check.C) { 51 52 //Both the container and image are named busybox. docker inspect will fetch container 53 //JSON State.Running field. If the field is true, it's a container. 54 55 dockerCmd(c, "run", "--name=busybox", "-d", "busybox", "top") 56 57 formatStr := fmt.Sprintf("--format='{{.State.Running}}'") 58 out, exitCode, err := dockerCmdWithError(c, "inspect", "--type=container", formatStr, "busybox") 59 if exitCode != 0 || err != nil { 60 c.Fatalf("failed to inspect container: %s, %v", out, err) 61 } 62 63 if out != "true\n" { 64 c.Fatal("not a container JSON") 65 } 66 } 67 68 func (s *DockerSuite) TestInspectTypeFlagWithNoContainer(c *check.C) { 69 70 //Run this test on an image named busybox. docker inspect will try to fetch container 71 //JSON. Since there is no container named busybox and --type=container, docker inspect will 72 //not try to get the image JSON. It will throw an error. 73 74 dockerCmd(c, "run", "-d", "busybox", "true") 75 76 _, exitCode, err := dockerCmdWithError(c, "inspect", "--type=container", "busybox") 77 if exitCode == 0 || err == nil { 78 c.Fatalf("docker inspect should have failed, as there is no container named busybox") 79 } 80 } 81 82 func (s *DockerSuite) TestInspectTypeFlagWithImage(c *check.C) { 83 84 //Both the container and image are named busybox. docker inspect will fetch image 85 //JSON as --type=image. if there is no image with name busybox, docker inspect 86 //will throw an error. 87 88 dockerCmd(c, "run", "--name=busybox", "-d", "busybox", "true") 89 90 out, exitCode, err := dockerCmdWithError(c, "inspect", "--type=image", "busybox") 91 if exitCode != 0 || err != nil { 92 c.Fatalf("failed to inspect image: %s, %v", out, err) 93 } 94 95 if strings.Contains(out, "State") { 96 c.Fatal("not an image JSON") 97 } 98 } 99 100 func (s *DockerSuite) TestInspectTypeFlagWithInvalidValue(c *check.C) { 101 102 //Both the container and image are named busybox. docker inspect will fail 103 //as --type=foobar is not a valid value for the flag. 104 105 dockerCmd(c, "run", "--name=busybox", "-d", "busybox", "true") 106 107 out, exitCode, err := dockerCmdWithError(c, "inspect", "--type=foobar", "busybox") 108 if exitCode != 0 || err != nil { 109 if !strings.Contains(out, "not a valid value for --type") { 110 c.Fatalf("failed to inspect image: %s, %v", out, err) 111 } 112 } 113 } 114 115 func (s *DockerSuite) TestInspectImageFilterInt(c *check.C) { 116 imageTest := "emptyfs" 117 out, err := inspectField(imageTest, "Size") 118 c.Assert(err, check.IsNil) 119 120 size, err := strconv.Atoi(out) 121 if err != nil { 122 c.Fatalf("failed to inspect size of the image: %s, %v", out, err) 123 } 124 125 //now see if the size turns out to be the same 126 formatStr := fmt.Sprintf("--format='{{eq .Size %d}}'", size) 127 out, exitCode, err := dockerCmdWithError(c, "inspect", formatStr, imageTest) 128 if exitCode != 0 || err != nil { 129 c.Fatalf("failed to inspect image: %s, %v", out, err) 130 } 131 if result, err := strconv.ParseBool(strings.TrimSuffix(out, "\n")); err != nil || !result { 132 c.Fatalf("Expected size: %d for image: %s but received size: %s", size, imageTest, strings.TrimSuffix(out, "\n")) 133 } 134 } 135 136 func (s *DockerSuite) TestInspectContainerFilterInt(c *check.C) { 137 runCmd := exec.Command(dockerBinary, "run", "-i", "-a", "stdin", "busybox", "cat") 138 runCmd.Stdin = strings.NewReader("blahblah") 139 out, _, _, err := runCommandWithStdoutStderr(runCmd) 140 if err != nil { 141 c.Fatalf("failed to run container: %v, output: %q", err, out) 142 } 143 144 id := strings.TrimSpace(out) 145 146 out, err = inspectField(id, "State.ExitCode") 147 c.Assert(err, check.IsNil) 148 149 exitCode, err := strconv.Atoi(out) 150 if err != nil { 151 c.Fatalf("failed to inspect exitcode of the container: %s, %v", out, err) 152 } 153 154 //now get the exit code to verify 155 formatStr := fmt.Sprintf("--format='{{eq .State.ExitCode %d}}'", exitCode) 156 out, _ = dockerCmd(c, "inspect", formatStr, id) 157 if result, err := strconv.ParseBool(strings.TrimSuffix(out, "\n")); err != nil || !result { 158 c.Fatalf("Expected exitcode: %d for container: %s", exitCode, id) 159 } 160 } 161 162 func (s *DockerSuite) TestInspectImageGraphDriver(c *check.C) { 163 imageTest := "emptyfs" 164 name, err := inspectField(imageTest, "GraphDriver.Name") 165 c.Assert(err, check.IsNil) 166 167 if name != "devicemapper" && name != "overlay" && name != "vfs" && name != "zfs" && name != "btrfs" && name != "aufs" { 168 c.Fatalf("%v is not a valid graph driver name", name) 169 } 170 171 if name != "devicemapper" { 172 return 173 } 174 175 deviceID, err := inspectField(imageTest, "GraphDriver.Data.DeviceId") 176 c.Assert(err, check.IsNil) 177 178 _, err = strconv.Atoi(deviceID) 179 if err != nil { 180 c.Fatalf("failed to inspect DeviceId of the image: %s, %v", deviceID, err) 181 } 182 183 deviceSize, err := inspectField(imageTest, "GraphDriver.Data.DeviceSize") 184 c.Assert(err, check.IsNil) 185 186 _, err = strconv.ParseUint(deviceSize, 10, 64) 187 if err != nil { 188 c.Fatalf("failed to inspect DeviceSize of the image: %s, %v", deviceSize, err) 189 } 190 } 191 192 func (s *DockerSuite) TestInspectContainerGraphDriver(c *check.C) { 193 out, _ := dockerCmd(c, "run", "-d", "busybox", "true") 194 out = strings.TrimSpace(out) 195 196 name, err := inspectField(out, "GraphDriver.Name") 197 c.Assert(err, check.IsNil) 198 199 if name != "devicemapper" && name != "overlay" && name != "vfs" && name != "zfs" && name != "btrfs" && name != "aufs" { 200 c.Fatalf("%v is not a valid graph driver name", name) 201 } 202 203 if name != "devicemapper" { 204 return 205 } 206 207 deviceID, err := inspectField(out, "GraphDriver.Data.DeviceId") 208 c.Assert(err, check.IsNil) 209 210 _, err = strconv.Atoi(deviceID) 211 if err != nil { 212 c.Fatalf("failed to inspect DeviceId of the image: %s, %v", deviceID, err) 213 } 214 215 deviceSize, err := inspectField(out, "GraphDriver.Data.DeviceSize") 216 c.Assert(err, check.IsNil) 217 218 _, err = strconv.ParseUint(deviceSize, 10, 64) 219 if err != nil { 220 c.Fatalf("failed to inspect DeviceSize of the image: %s, %v", deviceSize, err) 221 } 222 } 223 224 func (s *DockerSuite) TestInspectBindMountPoint(c *check.C) { 225 dockerCmd(c, "run", "-d", "--name", "test", "-v", "/data:/data:ro,z", "busybox", "cat") 226 227 vol, err := inspectFieldJSON("test", "Mounts") 228 c.Assert(err, check.IsNil) 229 230 var mp []types.MountPoint 231 err = unmarshalJSON([]byte(vol), &mp) 232 c.Assert(err, check.IsNil) 233 234 if len(mp) != 1 { 235 c.Fatalf("Expected 1 mount point, was %v\n", len(mp)) 236 } 237 238 m := mp[0] 239 240 if m.Name != "" { 241 c.Fatal("Expected name to be empty") 242 } 243 244 if m.Driver != "" { 245 c.Fatal("Expected driver to be empty") 246 } 247 248 if m.Source != "/data" { 249 c.Fatalf("Expected source /data, was %s\n", m.Source) 250 } 251 252 if m.Destination != "/data" { 253 c.Fatalf("Expected destination /data, was %s\n", m.Destination) 254 } 255 256 if m.Mode != "ro,z" { 257 c.Fatalf("Expected mode `ro,z`, was %s\n", m.Mode) 258 } 259 260 if m.RW != false { 261 c.Fatalf("Expected rw to be false") 262 } 263 } 264 265 // #14947 266 func (s *DockerSuite) TestInspectTimesAsRFC3339Nano(c *check.C) { 267 out, _ := dockerCmd(c, "run", "-d", "busybox", "true") 268 id := strings.TrimSpace(out) 269 startedAt, err := inspectField(id, "State.StartedAt") 270 c.Assert(err, check.IsNil) 271 finishedAt, err := inspectField(id, "State.FinishedAt") 272 c.Assert(err, check.IsNil) 273 created, err := inspectField(id, "Created") 274 c.Assert(err, check.IsNil) 275 276 _, err = time.Parse(time.RFC3339Nano, startedAt) 277 c.Assert(err, check.IsNil) 278 _, err = time.Parse(time.RFC3339Nano, finishedAt) 279 c.Assert(err, check.IsNil) 280 _, err = time.Parse(time.RFC3339Nano, created) 281 c.Assert(err, check.IsNil) 282 283 created, err = inspectField("busybox", "Created") 284 c.Assert(err, check.IsNil) 285 286 _, err = time.Parse(time.RFC3339Nano, created) 287 c.Assert(err, check.IsNil) 288 }