github.com/rajnmithun/docker@v1.6.0-rc2/integration-cli/docker_cli_events_test.go (about) 1 package main 2 3 import ( 4 "fmt" 5 "os/exec" 6 "regexp" 7 "strconv" 8 "strings" 9 "testing" 10 "time" 11 ) 12 13 func TestEventsUntag(t *testing.T) { 14 image := "busybox" 15 dockerCmd(t, "tag", image, "utest:tag1") 16 dockerCmd(t, "tag", image, "utest:tag2") 17 dockerCmd(t, "rmi", "utest:tag1") 18 dockerCmd(t, "rmi", "utest:tag2") 19 eventsCmd := exec.Command(dockerBinary, "events", "--since=1") 20 out, exitCode, _, err := runCommandWithOutputForDuration(eventsCmd, time.Duration(time.Millisecond*200)) 21 if exitCode != 0 || err != nil { 22 t.Fatalf("Failed to get events - exit code %d: %s", exitCode, err) 23 } 24 events := strings.Split(out, "\n") 25 nEvents := len(events) 26 // The last element after the split above will be an empty string, so we 27 // get the two elements before the last, which are the untags we're 28 // looking for. 29 for _, v := range events[nEvents-3 : nEvents-1] { 30 if !strings.Contains(v, "untag") { 31 t.Fatalf("event should be untag, not %#v", v) 32 } 33 } 34 logDone("events - untags are logged") 35 } 36 37 func TestEventsContainerFailStartDie(t *testing.T) { 38 defer deleteAllContainers() 39 40 out, _, _ := dockerCmd(t, "images", "-q") 41 image := strings.Split(out, "\n")[0] 42 eventsCmd := exec.Command(dockerBinary, "run", "--name", "testeventdie", image, "blerg") 43 _, _, err := runCommandWithOutput(eventsCmd) 44 if err == nil { 45 t.Fatalf("Container run with command blerg should have failed, but it did not") 46 } 47 48 eventsCmd = exec.Command(dockerBinary, "events", "--since=0", fmt.Sprintf("--until=%d", daemonTime(t).Unix())) 49 out, _, _ = runCommandWithOutput(eventsCmd) 50 events := strings.Split(out, "\n") 51 if len(events) <= 1 { 52 t.Fatalf("Missing expected event") 53 } 54 55 startEvent := strings.Fields(events[len(events)-3]) 56 dieEvent := strings.Fields(events[len(events)-2]) 57 58 if startEvent[len(startEvent)-1] != "start" { 59 t.Fatalf("event should be start, not %#v", startEvent) 60 } 61 if dieEvent[len(dieEvent)-1] != "die" { 62 t.Fatalf("event should be die, not %#v", dieEvent) 63 } 64 65 logDone("events - container unwilling to start logs die") 66 } 67 68 func TestEventsLimit(t *testing.T) { 69 defer deleteAllContainers() 70 for i := 0; i < 30; i++ { 71 dockerCmd(t, "run", "busybox", "echo", strconv.Itoa(i)) 72 } 73 eventsCmd := exec.Command(dockerBinary, "events", "--since=0", fmt.Sprintf("--until=%d", daemonTime(t).Unix())) 74 out, _, _ := runCommandWithOutput(eventsCmd) 75 events := strings.Split(out, "\n") 76 nEvents := len(events) - 1 77 if nEvents != 64 { 78 t.Fatalf("events should be limited to 64, but received %d", nEvents) 79 } 80 logDone("events - limited to 64 entries") 81 } 82 83 func TestEventsContainerEvents(t *testing.T) { 84 dockerCmd(t, "run", "--rm", "busybox", "true") 85 eventsCmd := exec.Command(dockerBinary, "events", "--since=0", fmt.Sprintf("--until=%d", daemonTime(t).Unix())) 86 out, exitCode, err := runCommandWithOutput(eventsCmd) 87 if exitCode != 0 || err != nil { 88 t.Fatalf("Failed to get events with exit code %d: %s", exitCode, err) 89 } 90 events := strings.Split(out, "\n") 91 events = events[:len(events)-1] 92 if len(events) < 4 { 93 t.Fatalf("Missing expected event") 94 } 95 createEvent := strings.Fields(events[len(events)-4]) 96 startEvent := strings.Fields(events[len(events)-3]) 97 dieEvent := strings.Fields(events[len(events)-2]) 98 destroyEvent := strings.Fields(events[len(events)-1]) 99 if createEvent[len(createEvent)-1] != "create" { 100 t.Fatalf("event should be create, not %#v", createEvent) 101 } 102 if startEvent[len(startEvent)-1] != "start" { 103 t.Fatalf("event should be start, not %#v", startEvent) 104 } 105 if dieEvent[len(dieEvent)-1] != "die" { 106 t.Fatalf("event should be die, not %#v", dieEvent) 107 } 108 if destroyEvent[len(destroyEvent)-1] != "destroy" { 109 t.Fatalf("event should be destroy, not %#v", destroyEvent) 110 } 111 112 logDone("events - container create, start, die, destroy is logged") 113 } 114 115 func TestEventsImageUntagDelete(t *testing.T) { 116 name := "testimageevents" 117 defer deleteImages(name) 118 _, err := buildImage(name, 119 `FROM scratch 120 MAINTAINER "docker"`, 121 true) 122 if err != nil { 123 t.Fatal(err) 124 } 125 if err := deleteImages(name); err != nil { 126 t.Fatal(err) 127 } 128 eventsCmd := exec.Command(dockerBinary, "events", "--since=0", fmt.Sprintf("--until=%d", daemonTime(t).Unix())) 129 out, exitCode, err := runCommandWithOutput(eventsCmd) 130 if exitCode != 0 || err != nil { 131 t.Fatalf("Failed to get events with exit code %d: %s", exitCode, err) 132 } 133 events := strings.Split(out, "\n") 134 135 events = events[:len(events)-1] 136 if len(events) < 2 { 137 t.Fatalf("Missing expected event") 138 } 139 untagEvent := strings.Fields(events[len(events)-2]) 140 deleteEvent := strings.Fields(events[len(events)-1]) 141 if untagEvent[len(untagEvent)-1] != "untag" { 142 t.Fatalf("untag should be untag, not %#v", untagEvent) 143 } 144 if deleteEvent[len(deleteEvent)-1] != "delete" { 145 t.Fatalf("delete should be delete, not %#v", deleteEvent) 146 } 147 logDone("events - image untag, delete is logged") 148 } 149 150 func TestEventsImagePull(t *testing.T) { 151 since := daemonTime(t).Unix() 152 153 defer deleteImages("hello-world") 154 155 pullCmd := exec.Command(dockerBinary, "pull", "hello-world") 156 if out, _, err := runCommandWithOutput(pullCmd); err != nil { 157 t.Fatalf("pulling the hello-world image from has failed: %s, %v", out, err) 158 } 159 160 eventsCmd := exec.Command(dockerBinary, "events", 161 fmt.Sprintf("--since=%d", since), 162 fmt.Sprintf("--until=%d", daemonTime(t).Unix())) 163 out, _, _ := runCommandWithOutput(eventsCmd) 164 165 events := strings.Split(strings.TrimSpace(out), "\n") 166 event := strings.TrimSpace(events[len(events)-1]) 167 168 if !strings.HasSuffix(event, "hello-world:latest: pull") { 169 t.Fatalf("Missing pull event - got:%q", event) 170 } 171 172 logDone("events - image pull is logged") 173 } 174 175 func TestEventsImageImport(t *testing.T) { 176 defer deleteAllContainers() 177 since := daemonTime(t).Unix() 178 179 runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "true") 180 out, _, err := runCommandWithOutput(runCmd) 181 if err != nil { 182 t.Fatal("failed to create a container", out, err) 183 } 184 cleanedContainerID := stripTrailingCharacters(out) 185 186 out, _, err = runCommandPipelineWithOutput( 187 exec.Command(dockerBinary, "export", cleanedContainerID), 188 exec.Command(dockerBinary, "import", "-"), 189 ) 190 if err != nil { 191 t.Errorf("import failed with errors: %v, output: %q", err, out) 192 } 193 194 eventsCmd := exec.Command(dockerBinary, "events", 195 fmt.Sprintf("--since=%d", since), 196 fmt.Sprintf("--until=%d", daemonTime(t).Unix())) 197 out, _, _ = runCommandWithOutput(eventsCmd) 198 199 events := strings.Split(strings.TrimSpace(out), "\n") 200 event := strings.TrimSpace(events[len(events)-1]) 201 202 if !strings.HasSuffix(event, ": import") { 203 t.Fatalf("Missing pull event - got:%q", event) 204 } 205 206 logDone("events - image import is logged") 207 } 208 209 func TestEventsFilters(t *testing.T) { 210 parseEvents := func(out, match string) { 211 events := strings.Split(out, "\n") 212 events = events[:len(events)-1] 213 for _, event := range events { 214 eventFields := strings.Fields(event) 215 eventName := eventFields[len(eventFields)-1] 216 if ok, err := regexp.MatchString(match, eventName); err != nil || !ok { 217 t.Fatalf("event should match %s, got %#v, err: %v", match, eventFields, err) 218 } 219 } 220 } 221 222 since := daemonTime(t).Unix() 223 out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "--rm", "busybox", "true")) 224 if err != nil { 225 t.Fatal(out, err) 226 } 227 out, _, err = runCommandWithOutput(exec.Command(dockerBinary, "run", "--rm", "busybox", "true")) 228 if err != nil { 229 t.Fatal(out, err) 230 } 231 out, _, err = runCommandWithOutput(exec.Command(dockerBinary, "events", fmt.Sprintf("--since=%d", since), fmt.Sprintf("--until=%d", daemonTime(t).Unix()), "--filter", "event=die")) 232 if err != nil { 233 t.Fatalf("Failed to get events: %s", err) 234 } 235 parseEvents(out, "die") 236 237 out, _, err = runCommandWithOutput(exec.Command(dockerBinary, "events", fmt.Sprintf("--since=%d", since), fmt.Sprintf("--until=%d", daemonTime(t).Unix()), "--filter", "event=die", "--filter", "event=start")) 238 if err != nil { 239 t.Fatalf("Failed to get events: %s", err) 240 } 241 parseEvents(out, "((die)|(start))") 242 243 // make sure we at least got 2 start events 244 count := strings.Count(out, "start") 245 if count < 2 { 246 t.Fatalf("should have had 2 start events but had %d, out: %s", count, out) 247 } 248 249 logDone("events - filters") 250 } 251 252 func TestEventsFilterImageName(t *testing.T) { 253 since := daemonTime(t).Unix() 254 defer deleteAllContainers() 255 256 out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "--name", "container_1", "-d", "busybox", "true")) 257 if err != nil { 258 t.Fatal(out, err) 259 } 260 container1 := stripTrailingCharacters(out) 261 262 out, _, err = runCommandWithOutput(exec.Command(dockerBinary, "run", "--name", "container_2", "-d", "busybox", "true")) 263 if err != nil { 264 t.Fatal(out, err) 265 } 266 container2 := stripTrailingCharacters(out) 267 268 for _, s := range []string{"busybox", "busybox:latest"} { 269 eventsCmd := exec.Command(dockerBinary, "events", fmt.Sprintf("--since=%d", since), fmt.Sprintf("--until=%d", daemonTime(t).Unix()), "--filter", fmt.Sprintf("image=%s", s)) 270 out, _, err := runCommandWithOutput(eventsCmd) 271 if err != nil { 272 t.Fatalf("Failed to get events, error: %s(%s)", err, out) 273 } 274 events := strings.Split(out, "\n") 275 events = events[:len(events)-1] 276 if len(events) == 0 { 277 t.Fatalf("Expected events but found none for the image busybox:latest") 278 } 279 count1 := 0 280 count2 := 0 281 for _, e := range events { 282 if strings.Contains(e, container1) { 283 count1++ 284 } else if strings.Contains(e, container2) { 285 count2++ 286 } 287 } 288 if count1 == 0 || count2 == 0 { 289 t.Fatalf("Expected events from each container but got %d from %s and %d from %s", count1, container1, count2, container2) 290 } 291 } 292 293 logDone("events - filters using image") 294 } 295 296 func TestEventsFilterContainerID(t *testing.T) { 297 since := daemonTime(t).Unix() 298 defer deleteAllContainers() 299 300 out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "-d", "busybox", "true")) 301 if err != nil { 302 t.Fatal(out, err) 303 } 304 container1 := stripTrailingCharacters(out) 305 306 out, _, err = runCommandWithOutput(exec.Command(dockerBinary, "run", "-d", "busybox", "true")) 307 if err != nil { 308 t.Fatal(out, err) 309 } 310 container2 := stripTrailingCharacters(out) 311 312 for _, s := range []string{container1, container2, container1[:12], container2[:12]} { 313 eventsCmd := exec.Command(dockerBinary, "events", fmt.Sprintf("--since=%d", since), fmt.Sprintf("--until=%d", daemonTime(t).Unix()), "--filter", fmt.Sprintf("container=%s", s)) 314 out, _, err := runCommandWithOutput(eventsCmd) 315 if err != nil { 316 t.Fatalf("Failed to get events, error: %s(%s)", err, out) 317 } 318 events := strings.Split(out, "\n") 319 events = events[:len(events)-1] 320 if len(events) == 0 || len(events) > 3 { 321 t.Fatalf("Expected 3 events, got %d: %v", len(events), events) 322 } 323 createEvent := strings.Fields(events[0]) 324 if createEvent[len(createEvent)-1] != "create" { 325 t.Fatalf("first event should be create, not %#v", createEvent) 326 } 327 if len(events) > 1 { 328 startEvent := strings.Fields(events[1]) 329 if startEvent[len(startEvent)-1] != "start" { 330 t.Fatalf("second event should be start, not %#v", startEvent) 331 } 332 } 333 if len(events) == 3 { 334 dieEvent := strings.Fields(events[len(events)-1]) 335 if dieEvent[len(dieEvent)-1] != "die" { 336 t.Fatalf("event should be die, not %#v", dieEvent) 337 } 338 } 339 } 340 341 logDone("events - filters using container id") 342 } 343 344 func TestEventsFilterContainerName(t *testing.T) { 345 since := daemonTime(t).Unix() 346 defer deleteAllContainers() 347 348 _, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "--name", "container_1", "busybox", "true")) 349 if err != nil { 350 t.Fatal(err) 351 } 352 353 _, _, err = runCommandWithOutput(exec.Command(dockerBinary, "run", "--name", "container_2", "busybox", "true")) 354 if err != nil { 355 t.Fatal(err) 356 } 357 358 for _, s := range []string{"container_1", "container_2"} { 359 eventsCmd := exec.Command(dockerBinary, "events", fmt.Sprintf("--since=%d", since), fmt.Sprintf("--until=%d", daemonTime(t).Unix()), "--filter", fmt.Sprintf("container=%s", s)) 360 out, _, err := runCommandWithOutput(eventsCmd) 361 if err != nil { 362 t.Fatalf("Failed to get events, error : %s(%s)", err, out) 363 } 364 events := strings.Split(out, "\n") 365 events = events[:len(events)-1] 366 if len(events) == 0 || len(events) > 3 { 367 t.Fatalf("Expected 3 events, got %d: %v", len(events), events) 368 } 369 createEvent := strings.Fields(events[0]) 370 if createEvent[len(createEvent)-1] != "create" { 371 t.Fatalf("first event should be create, not %#v", createEvent) 372 } 373 if len(events) > 1 { 374 startEvent := strings.Fields(events[1]) 375 if startEvent[len(startEvent)-1] != "start" { 376 t.Fatalf("second event should be start, not %#v", startEvent) 377 } 378 } 379 if len(events) == 3 { 380 dieEvent := strings.Fields(events[len(events)-1]) 381 if dieEvent[len(dieEvent)-1] != "die" { 382 t.Fatalf("event should be die, not %#v", dieEvent) 383 } 384 } 385 } 386 387 logDone("events - filters using container name") 388 }