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| 1 // Copyright 2015 The LUCI Authors. All rights reserved. | |
| 2 // Use of this source code is governed under the Apache License, Version 2.0 | |
| 3 // that can be found in the LICENSE file. | |
| 4 | |
| 5 package swarming | |
| 6 | |
| 7 import ( | |
| 8 "bytes" | |
| 9 "fmt" | |
| 10 "net/http" | |
| 11 "net/url" | |
| 12 "strings" | |
| 13 "time" | |
| 14 | |
| 15 "golang.org/x/net/context" | |
| 16 | |
| 17 swarming "github.com/luci/luci-go/common/api/swarming/swarming/v1" | |
| 18 "github.com/luci/luci-go/common/errors" | |
| 19 "github.com/luci/luci-go/common/logging" | |
| 20 "github.com/luci/luci-go/common/proto/google" | |
| 21 miloProto "github.com/luci/luci-go/common/proto/milo" | |
| 22 "github.com/luci/luci-go/common/sync/parallel" | |
| 23 "github.com/luci/luci-go/logdog/client/annotee" | |
| 24 "github.com/luci/luci-go/logdog/client/coordinator" | |
| 25 "github.com/luci/luci-go/logdog/common/types" | |
| 26 "github.com/luci/luci-go/milo/api/resp" | |
| 27 "github.com/luci/luci-go/milo/appengine/common" | |
| 28 "github.com/luci/luci-go/milo/appengine/common/model" | |
| 29 "github.com/luci/luci-go/milo/appengine/logdog" | |
| 30 "github.com/luci/luci-go/server/auth" | |
| 31 ) | |
| 32 | |
| 33 // errNotMiloJob is returned if a Swarming task is fetched that does not self- | |
| 34 // identify as a Milo job. | |
| 35 var errNotMiloJob = errors.New("Not a Milo Job or access denied") | |
| 36 | |
| 37 // SwarmingTimeLayout is time layout used by swarming. | |
| 38 const SwarmingTimeLayout = "2006-01-02T15:04:05.999999999" | |
| 39 | |
| 40 // logDogFetchTimeout is the amount of time to wait while fetching a LogDog | |
| 41 // stream before we time out the fetch. | |
| 42 const logDogFetchTimeout = 30 * time.Second | |
| 43 | |
| 44 // Swarming task states.. | |
| 45 const ( | |
| 46 // TaskRunning means task is running. | |
| 47 TaskRunning = "RUNNING" | |
| 48 // TaskPending means task didn't start yet. | |
| 49 TaskPending = "PENDING" | |
| 50 // TaskExpired means task expired and did not start. | |
| 51 TaskExpired = "EXPIRED" | |
| 52 // TaskTimedOut means task started, but took too long. | |
| 53 TaskTimedOut = "TIMED_OUT" | |
| 54 // TaskBotDied means task started but bot died. | |
| 55 TaskBotDied = "BOT_DIED" | |
| 56 // TaskCanceled means the task was canceled. See CompletedTs to determin
e whether it was started. | |
| 57 TaskCanceled = "CANCELED" | |
| 58 // TaskCompleted means task is complete. | |
| 59 TaskCompleted = "COMPLETED" | |
| 60 ) | |
| 61 | |
| 62 func getSwarmingClient(c context.Context, host string) (*swarming.Service, error
) { | |
| 63 c, _ = context.WithTimeout(c, 60*time.Second) | |
| 64 t, err := auth.GetRPCTransport(c, auth.AsSelf) | |
| 65 if err != nil { | |
| 66 return nil, err | |
| 67 } | |
| 68 sc, err := swarming.New(&http.Client{Transport: t}) | |
| 69 if err != nil { | |
| 70 return nil, err | |
| 71 } | |
| 72 sc.BasePath = fmt.Sprintf("https://%s/_ah/api/swarming/v1/", host) | |
| 73 return sc, nil | |
| 74 } | |
| 75 | |
| 76 // swarmingService is an interface that fetches data from Swarming. | |
| 77 // | |
| 78 // In production, this is fetched from a Swarming server. For testing, this can | |
| 79 // be replaced with a mock. | |
| 80 type swarmingService interface { | |
| 81 getHost() string | |
| 82 getSwarmingResult(c context.Context, taskID string) (*swarming.SwarmingR
pcsTaskResult, error) | |
| 83 getSwarmingRequest(c context.Context, taskID string) (*swarming.Swarming
RpcsTaskRequest, error) | |
| 84 getTaskOutput(c context.Context, taskID string) (string, error) | |
| 85 } | |
| 86 | |
| 87 type prodSwarmingService struct { | |
| 88 host string | |
| 89 client *swarming.Service | |
| 90 } | |
| 91 | |
| 92 func newProdService(c context.Context, host string) (*prodSwarmingService, error
) { | |
| 93 client, err := getSwarmingClient(c, host) | |
| 94 if err != nil { | |
| 95 return nil, err | |
| 96 } | |
| 97 return &prodSwarmingService{ | |
| 98 host: host, | |
| 99 client: client, | |
| 100 }, nil | |
| 101 } | |
| 102 | |
| 103 func (svc *prodSwarmingService) getHost() string { return svc.host } | |
| 104 | |
| 105 func (svc *prodSwarmingService) getSwarmingResult(c context.Context, taskID stri
ng) (*swarming.SwarmingRpcsTaskResult, error) { | |
| 106 return svc.client.Task.Result(taskID).Context(c).Do() | |
| 107 } | |
| 108 | |
| 109 func (svc *prodSwarmingService) getTaskOutput(c context.Context, taskID string)
(string, error) { | |
| 110 stdout, err := svc.client.Task.Stdout(taskID).Context(c).Do() | |
| 111 if err != nil { | |
| 112 return "", err | |
| 113 } | |
| 114 return stdout.Output, nil | |
| 115 } | |
| 116 | |
| 117 func (svc *prodSwarmingService) getSwarmingRequest(c context.Context, taskID str
ing) (*swarming.SwarmingRpcsTaskRequest, error) { | |
| 118 return svc.client.Task.Request(taskID).Context(c).Do() | |
| 119 } | |
| 120 | |
| 121 type swarmingFetchParams struct { | |
| 122 fetchReq bool | |
| 123 fetchRes bool | |
| 124 fetchLog bool | |
| 125 | |
| 126 // taskResCallback, if not nil, is a callback that will be invoked after | |
| 127 // fetching the result, if fetchRes is true. It will be passed a key/val
ue map | |
| 128 // of the Swarming result's tags. | |
| 129 // | |
| 130 // If taskResCallback returns true, any pending log fetch will be cancel
led | |
| 131 // without error. | |
| 132 taskResCallback func(*swarming.SwarmingRpcsTaskResult) bool | |
| 133 } | |
| 134 | |
| 135 type swarmingFetchResult struct { | |
| 136 req *swarming.SwarmingRpcsTaskRequest | |
| 137 res *swarming.SwarmingRpcsTaskResult | |
| 138 | |
| 139 // log is the log data content. If no log data was fetched, this will em
pty. | |
| 140 // If the log fetch was cancelled, this is undefined. | |
| 141 log string | |
| 142 } | |
| 143 | |
| 144 // swarmingFetch fetches (in parallel) the components that it is configured to | |
| 145 // fetch. | |
| 146 // | |
| 147 // After fetching, an ACL check is performed to confirm that the user is | |
| 148 // permitted to view the resulting data. If this check fails, get returns | |
| 149 // errNotMiloJob. | |
| 150 func swarmingFetch(c context.Context, svc swarmingService, taskID string, req sw
armingFetchParams) ( | |
| 151 *swarmingFetchResult, error) { | |
| 152 | |
| 153 // logErr is managed separately from other fetch errors, since in some | |
| 154 // situations it's acceptable to not have a log stream. | |
| 155 var logErr error | |
| 156 var fr swarmingFetchResult | |
| 157 | |
| 158 // Special Context to enable the cancellation of log fetching. | |
| 159 logsCancelled := false | |
| 160 logCtx, cancelLogs := context.WithCancel(c) | |
| 161 defer cancelLogs() | |
| 162 | |
| 163 err := parallel.FanOutIn(func(workC chan<- func() error) { | |
| 164 if req.fetchReq { | |
| 165 workC <- func() (err error) { | |
| 166 fr.req, err = svc.getSwarmingRequest(c, taskID) | |
| 167 return | |
| 168 } | |
| 169 } | |
| 170 | |
| 171 if req.fetchRes { | |
| 172 workC <- func() (err error) { | |
| 173 if fr.res, err = svc.getSwarmingResult(c, taskID
); err == nil { | |
| 174 if req.taskResCallback != nil && req.tas
kResCallback(fr.res) { | |
| 175 logsCancelled = true | |
| 176 cancelLogs() | |
| 177 } | |
| 178 } | |
| 179 return | |
| 180 } | |
| 181 } | |
| 182 | |
| 183 if req.fetchLog { | |
| 184 workC <- func() error { | |
| 185 // Note: we're using the log Context here so we
can cancel log fetch | |
| 186 // explicitly. | |
| 187 fr.log, logErr = svc.getTaskOutput(logCtx, taskI
D) | |
| 188 return nil | |
| 189 } | |
| 190 } | |
| 191 }) | |
| 192 if err != nil { | |
| 193 return nil, err | |
| 194 } | |
| 195 | |
| 196 // Current ACL implementation: | |
| 197 // If allow_milo:1 is present, it is a public job. Don't bother with AC
L check. | |
| 198 // If it is not present, check the luci_project tag, and see if user is
allowed | |
| 199 // to access said project. | |
| 200 switch { | |
| 201 case req.fetchReq: | |
| 202 if !isAllowed(c, fr.req.Tags) { | |
| 203 return nil, errNotMiloJob | |
| 204 } | |
| 205 | |
| 206 case req.fetchRes: | |
| 207 if !isAllowed(c, fr.res.Tags) { | |
| 208 return nil, errNotMiloJob | |
| 209 } | |
| 210 | |
| 211 default: | |
| 212 // No metadata to decide if this is a Milo job, so assume that i
t is not. | |
| 213 return nil, errNotMiloJob | |
| 214 } | |
| 215 | |
| 216 if req.fetchRes && logErr != nil { | |
| 217 switch fr.res.State { | |
| 218 case TaskCompleted, TaskRunning, TaskCanceled: | |
| 219 default: | |
| 220 // Ignore log errors if the task might be pending, time
d out, expired, etc. | |
| 221 if err != nil { | |
| 222 fr.log = "" | |
| 223 logErr = nil | |
| 224 } | |
| 225 } | |
| 226 } | |
| 227 | |
| 228 // If we explicitly cancelled logs, everything is OK. | |
| 229 if logErr == context.Canceled && logsCancelled { | |
| 230 logErr = nil | |
| 231 } | |
| 232 return &fr, logErr | |
| 233 } | |
| 234 | |
| 235 func taskProperties(sr *swarming.SwarmingRpcsTaskResult) *resp.PropertyGroup { | |
| 236 props := &resp.PropertyGroup{GroupName: "Swarming"} | |
| 237 if len(sr.CostsUsd) == 1 { | |
| 238 props.Property = append(props.Property, &resp.Property{ | |
| 239 Key: "Cost of job (USD)", | |
| 240 Value: fmt.Sprintf("$%.2f", sr.CostsUsd[0]), | |
| 241 }) | |
| 242 } | |
| 243 if sr.State == TaskCompleted || sr.State == TaskTimedOut { | |
| 244 props.Property = append(props.Property, &resp.Property{ | |
| 245 Key: "Exit Code", | |
| 246 Value: fmt.Sprintf("%d", sr.ExitCode), | |
| 247 }) | |
| 248 } | |
| 249 return props | |
| 250 } | |
| 251 | |
| 252 func tagsToMap(tags []string) map[string]string { | |
| 253 result := make(map[string]string, len(tags)) | |
| 254 for _, t := range tags { | |
| 255 parts := strings.SplitN(t, ":", 2) | |
| 256 if len(parts) == 2 { | |
| 257 result[parts[0]] = parts[1] | |
| 258 } | |
| 259 } | |
| 260 return result | |
| 261 } | |
| 262 | |
| 263 // addBuilderLink adds a link to the buildbucket builder view. | |
| 264 func addBuilderLink(c context.Context, build *resp.MiloBuild, tags map[string]st
ring) { | |
| 265 bucket := tags["buildbucket_bucket"] | |
| 266 builder := tags["builder"] | |
| 267 if bucket != "" && builder != "" { | |
| 268 build.Summary.ParentLabel = resp.NewLink( | |
| 269 builder, fmt.Sprintf("/buildbucket/%s/%s", bucket, build
er)) | |
| 270 } | |
| 271 } | |
| 272 | |
| 273 // addBanner adds an OS banner derived from "os" swarming tag, if present. | |
| 274 func addBanner(build *resp.MiloBuild, tags map[string]string) { | |
| 275 os := tags["os"] | |
| 276 var ver string | |
| 277 parts := strings.SplitN(os, "-", 2) | |
| 278 if len(parts) == 2 { | |
| 279 os = parts[0] | |
| 280 ver = parts[1] | |
| 281 } | |
| 282 | |
| 283 var base resp.LogoBase | |
| 284 switch os { | |
| 285 case "Ubuntu": | |
| 286 base = resp.Ubuntu | |
| 287 case "Windows": | |
| 288 base = resp.Windows | |
| 289 case "Mac": | |
| 290 base = resp.OSX | |
| 291 case "Android": | |
| 292 base = resp.Android | |
| 293 default: | |
| 294 return | |
| 295 } | |
| 296 | |
| 297 build.Summary.Banner = &resp.LogoBanner{ | |
| 298 OS: []resp.Logo{{ | |
| 299 LogoBase: base, | |
| 300 Subtitle: ver, | |
| 301 Count: 1, | |
| 302 }}, | |
| 303 } | |
| 304 } | |
| 305 | |
| 306 // addTaskToMiloStep augments a Milo Annotation Protobuf with state from the | |
| 307 // Swarming task. | |
| 308 func addTaskToMiloStep(c context.Context, server string, sr *swarming.SwarmingRp
csTaskResult, step *miloProto.Step) error { | |
| 309 step.Link = &miloProto.Link{ | |
| 310 Label: "Task " + sr.TaskId, | |
| 311 Value: &miloProto.Link_Url{ | |
| 312 Url: taskPageURL(server, sr.TaskId), | |
| 313 }, | |
| 314 } | |
| 315 | |
| 316 switch sr.State { | |
| 317 case TaskRunning: | |
| 318 step.Status = miloProto.Status_RUNNING | |
| 319 | |
| 320 case TaskPending: | |
| 321 step.Status = miloProto.Status_PENDING | |
| 322 | |
| 323 case TaskExpired, TaskTimedOut, TaskBotDied: | |
| 324 step.Status = miloProto.Status_FAILURE | |
| 325 | |
| 326 switch sr.State { | |
| 327 case TaskExpired: | |
| 328 step.FailureDetails = &miloProto.FailureDetails{ | |
| 329 Type: miloProto.FailureDetails_EXPIRED, | |
| 330 Text: "Task expired", | |
| 331 } | |
| 332 case TaskTimedOut: | |
| 333 step.FailureDetails = &miloProto.FailureDetails{ | |
| 334 Type: miloProto.FailureDetails_INFRA, | |
| 335 Text: "Task timed out", | |
| 336 } | |
| 337 case TaskBotDied: | |
| 338 step.FailureDetails = &miloProto.FailureDetails{ | |
| 339 Type: miloProto.FailureDetails_INFRA, | |
| 340 Text: "Bot died", | |
| 341 } | |
| 342 } | |
| 343 | |
| 344 case TaskCanceled: | |
| 345 // Cancelled build is user action, so it is not an infra failure
. | |
| 346 step.Status = miloProto.Status_FAILURE | |
| 347 step.FailureDetails = &miloProto.FailureDetails{ | |
| 348 Type: miloProto.FailureDetails_CANCELLED, | |
| 349 Text: "Task cancelled by user", | |
| 350 } | |
| 351 | |
| 352 case TaskCompleted: | |
| 353 | |
| 354 switch { | |
| 355 case sr.InternalFailure: | |
| 356 step.Status = miloProto.Status_FAILURE | |
| 357 step.FailureDetails = &miloProto.FailureDetails{ | |
| 358 Type: miloProto.FailureDetails_INFRA, | |
| 359 } | |
| 360 | |
| 361 case sr.Failure: | |
| 362 step.Status = miloProto.Status_FAILURE | |
| 363 | |
| 364 default: | |
| 365 step.Status = miloProto.Status_SUCCESS | |
| 366 } | |
| 367 | |
| 368 default: | |
| 369 return fmt.Errorf("unknown swarming task state %q", sr.State) | |
| 370 } | |
| 371 | |
| 372 // Compute start and finished times. | |
| 373 if sr.StartedTs != "" { | |
| 374 ts, err := time.Parse(SwarmingTimeLayout, sr.StartedTs) | |
| 375 if err != nil { | |
| 376 return fmt.Errorf("invalid task StartedTs: %s", err) | |
| 377 } | |
| 378 step.Started = google.NewTimestamp(ts) | |
| 379 } | |
| 380 if sr.CompletedTs != "" { | |
| 381 ts, err := time.Parse(SwarmingTimeLayout, sr.CompletedTs) | |
| 382 if err != nil { | |
| 383 return fmt.Errorf("invalid task CompletedTs: %s", err) | |
| 384 } | |
| 385 step.Ended = google.NewTimestamp(ts) | |
| 386 } | |
| 387 | |
| 388 return nil | |
| 389 } | |
| 390 | |
| 391 func addBuildsetInfo(build *resp.MiloBuild, tags map[string]string) { | |
| 392 buildset := tags["buildset"] | |
| 393 if !strings.HasPrefix(buildset, "patch/") { | |
| 394 // Buildset isn't a patch, ignore. | |
| 395 return | |
| 396 } | |
| 397 | |
| 398 patchset := strings.TrimLeft(buildset, "patch/") | |
| 399 // TODO(hinoka): Also support Rietveld patches. | |
| 400 if strings.HasPrefix(patchset, "gerrit/") { | |
| 401 gerritPatchset := strings.TrimLeft(patchset, "gerrit/") | |
| 402 parts := strings.Split(gerritPatchset, "/") | |
| 403 if len(parts) != 3 { | |
| 404 // Not a well-formed gerrit patchset. | |
| 405 return | |
| 406 } | |
| 407 if build.SourceStamp == nil { | |
| 408 build.SourceStamp = &resp.SourceStamp{} | |
| 409 } | |
| 410 build.SourceStamp.Changelist = resp.NewLink( | |
| 411 "Gerrit CL", fmt.Sprintf("https://%s/c/%s/%s", parts[0],
parts[1], parts[2])) | |
| 412 | |
| 413 } | |
| 414 } | |
| 415 | |
| 416 func addRecipeLink(build *resp.MiloBuild, tags map[string]string) { | |
| 417 name := tags["recipe_name"] | |
| 418 repoURL := tags["recipe_repository"] | |
| 419 revision := tags["recipe_revision"] | |
| 420 if name != "" && repoURL != "" { | |
| 421 if revision == "" { | |
| 422 revision = "master" | |
| 423 } | |
| 424 // Link directly to the revision if it is a gerrit URL, otherwis
e just | |
| 425 // display it in the name. | |
| 426 if repoParse, err := url.Parse(repoURL); err == nil && strings.H
asSuffix( | |
| 427 repoParse.Host, ".googlesource.com") { | |
| 428 repoURL += "/+/" + revision + "/" | |
| 429 } else { | |
| 430 if len(revision) > 8 { | |
| 431 revision = revision[:8] | |
| 432 } | |
| 433 name += " @ " + revision | |
| 434 } | |
| 435 build.Summary.Recipe = resp.NewLink(name, repoURL) | |
| 436 } | |
| 437 } | |
| 438 | |
| 439 func addTaskToBuild(c context.Context, server string, sr *swarming.SwarmingRpcsT
askResult, build *resp.MiloBuild) error { | |
| 440 build.Summary.Label = sr.TaskId | |
| 441 build.Summary.Type = resp.Recipe | |
| 442 build.Summary.Source = resp.NewLink("Task "+sr.TaskId, taskPageURL(serve
r, sr.TaskId)) | |
| 443 | |
| 444 // Extract more swarming specific information into the properties. | |
| 445 if props := taskProperties(sr); len(props.Property) > 0 { | |
| 446 build.PropertyGroup = append(build.PropertyGroup, props) | |
| 447 } | |
| 448 tags := tagsToMap(sr.Tags) | |
| 449 | |
| 450 addBuildsetInfo(build, tags) | |
| 451 addBanner(build, tags) | |
| 452 addBuilderLink(c, build, tags) | |
| 453 addRecipeLink(build, tags) | |
| 454 | |
| 455 // Add a link to the bot. | |
| 456 if sr.BotId != "" { | |
| 457 build.Summary.Bot = resp.NewLink(sr.BotId, botPageURL(server, sr
.BotId)) | |
| 458 } | |
| 459 | |
| 460 return nil | |
| 461 } | |
| 462 | |
| 463 // streamsFromAnnotatedLog takes in an annotated log and returns a fully | |
| 464 // populated set of logdog streams | |
| 465 func streamsFromAnnotatedLog(ctx context.Context, log string) (*logdog.Streams,
error) { | |
| 466 c := &memoryClient{} | |
| 467 p := annotee.New(ctx, annotee.Options{ | |
| 468 Client: c, | |
| 469 MetadataUpdateInterval: -1, // Neverrrrrr send incr updates. | |
| 470 Offline: true, | |
| 471 }) | |
| 472 | |
| 473 is := annotee.Stream{ | |
| 474 Reader: bytes.NewBufferString(log), | |
| 475 Name: types.StreamName("stdout"), | |
| 476 Annotate: true, | |
| 477 StripAnnotations: true, | |
| 478 } | |
| 479 // If this ever has more than one stream then memoryClient needs to beco
me | |
| 480 // goroutine safe | |
| 481 if err := p.RunStreams([]*annotee.Stream{&is}); err != nil { | |
| 482 return nil, err | |
| 483 } | |
| 484 p.Finish() | |
| 485 return c.ToLogDogStreams() | |
| 486 } | |
| 487 | |
| 488 // buildLoader represents the ability to load a Milo build from a Swarming task. | |
| 489 // | |
| 490 // It exists so that the internal build loading functionality can be stubbed out | |
| 491 // for testing. | |
| 492 type buildLoader struct { | |
| 493 // logdogClientFunc returns a coordinator Client instance for the suppli
ed | |
| 494 // parameters. | |
| 495 // | |
| 496 // If nil, a production client will be generated. | |
| 497 logDogClientFunc func(c context.Context, host string) (*coordinator.Clie
nt, error) | |
| 498 } | |
| 499 | |
| 500 func (bl *buildLoader) newEmptyAnnotationStream(c context.Context, addr *types.S
treamAddr) ( | |
| 501 *logdog.AnnotationStream, error) { | |
| 502 | |
| 503 fn := bl.logDogClientFunc | |
| 504 if fn == nil { | |
| 505 fn = logdog.NewClient | |
| 506 } | |
| 507 client, err := fn(c, addr.Host) | |
| 508 if err != nil { | |
| 509 return nil, errors.Annotate(err).Reason("failed to create LogDog
client").Err() | |
| 510 } | |
| 511 | |
| 512 as := logdog.AnnotationStream{ | |
| 513 Client: client, | |
| 514 Project: addr.Project, | |
| 515 Path: addr.Path, | |
| 516 } | |
| 517 if err := as.Normalize(); err != nil { | |
| 518 return nil, errors.Annotate(err).Reason("failed to normalize ann
otation stream parameters").Err() | |
| 519 } | |
| 520 | |
| 521 return &as, nil | |
| 522 } | |
| 523 | |
| 524 // failedToStart is called in the case where logdog-only mode is on but the | |
| 525 // stream doesn't exist and the swarming job is complete. It modifies the build | |
| 526 // to add information that would've otherwise been in the annotation stream. | |
| 527 func failedToStart(c context.Context, build *resp.MiloBuild, res *swarming.Swarm
ingRpcsTaskResult, host string) error { | |
| 528 var err error | |
| 529 build.Summary.Status = model.InfraFailure | |
| 530 build.Summary.Started, err = time.Parse(SwarmingTimeLayout, res.StartedT
s) | |
| 531 if err != nil { | |
| 532 return err | |
| 533 } | |
| 534 build.Summary.Finished, err = time.Parse(SwarmingTimeLayout, res.Complet
edTs) | |
| 535 if err != nil { | |
| 536 return err | |
| 537 } | |
| 538 build.Summary.Duration = build.Summary.Finished.Sub(build.Summary.Starte
d) | |
| 539 infoComp := infoComponent(model.InfraFailure, | |
| 540 "LogDog stream not found", "Job likely failed to start.") | |
| 541 infoComp.Started = build.Summary.Started | |
| 542 infoComp.Finished = build.Summary.Finished | |
| 543 infoComp.Duration = build.Summary.Duration | |
| 544 infoComp.Verbosity = resp.Interesting | |
| 545 build.Components = append(build.Components, infoComp) | |
| 546 return addTaskToBuild(c, host, res, build) | |
| 547 } | |
| 548 | |
| 549 func (bl *buildLoader) swarmingBuildImpl(c context.Context, svc swarmingService,
linkBase, taskID string) (*resp.MiloBuild, error) { | |
| 550 // Fetch the data from Swarming | |
| 551 var logDogStreamAddr *types.StreamAddr | |
| 552 | |
| 553 fetchParams := swarmingFetchParams{ | |
| 554 fetchRes: true, | |
| 555 fetchLog: true, | |
| 556 | |
| 557 // Cancel if LogDog annotation stream parameters are present in
the tag set. | |
| 558 taskResCallback: func(res *swarming.SwarmingRpcsTaskResult) (can
celLogs bool) { | |
| 559 // If the build hasn't started yet, then there is no Log
Dog log stream to | |
| 560 // render. | |
| 561 switch res.State { | |
| 562 case TaskPending, TaskExpired: | |
| 563 return false | |
| 564 | |
| 565 case TaskCanceled: | |
| 566 // If the task wasn't created, then it wasn't st
arted. | |
| 567 if res.CreatedTs == "" { | |
| 568 return false | |
| 569 } | |
| 570 } | |
| 571 | |
| 572 // The task started ... is it using LogDog for logging? | |
| 573 tags := swarmingTags(res.Tags) | |
| 574 | |
| 575 var err error | |
| 576 if logDogStreamAddr, err = resolveLogDogStreamAddrFromTa
gs(tags, res.TaskId, res.TryNumber); err != nil { | |
| 577 logging.WithError(err).Debugf(c, "Not using LogD
og annotation stream.") | |
| 578 return false | |
| 579 } | |
| 580 return true | |
| 581 }, | |
| 582 } | |
| 583 fr, err := swarmingFetch(c, svc, taskID, fetchParams) | |
| 584 if err != nil { | |
| 585 return nil, err | |
| 586 } | |
| 587 | |
| 588 var build resp.MiloBuild | |
| 589 var s *miloProto.Step | |
| 590 var lds *logdog.Streams | |
| 591 var ub logdog.URLBuilder | |
| 592 | |
| 593 // Load the build from the available data. | |
| 594 // | |
| 595 // If the Swarming task explicitly specifies its log location, we prefer
that. | |
| 596 // As a fallback, we will try and parse the Swarming task's output for | |
| 597 // annotations. | |
| 598 switch { | |
| 599 case logDogStreamAddr != nil: | |
| 600 logging.Infof(c, "Loading build from LogDog stream at: %s", logD
ogStreamAddr) | |
| 601 | |
| 602 // If the LogDog stream is available, load the step from that. | |
| 603 as, err := bl.newEmptyAnnotationStream(c, logDogStreamAddr) | |
| 604 if err != nil { | |
| 605 return nil, errors.Annotate(err).Reason("failed to creat
e LogDog annotation stream").Err() | |
| 606 } | |
| 607 | |
| 608 prefix, _ := logDogStreamAddr.Path.Split() | |
| 609 ub = &logdog.ViewerURLBuilder{ | |
| 610 Host: logDogStreamAddr.Host, | |
| 611 Prefix: prefix, | |
| 612 Project: logDogStreamAddr.Project, | |
| 613 } | |
| 614 | |
| 615 if s, err = as.Fetch(c); err != nil { | |
| 616 switch errors.Unwrap(err) { | |
| 617 case coordinator.ErrNoSuchStream: | |
| 618 // The stream was not found. This could be due
to one of two things: | |
| 619 // 1. The step just started and we're just waiti
ng for the logs | |
| 620 // to propogage to logdog. | |
| 621 // 2. The bootsrap on the client failed, and nev
er sent data to logdog. | |
| 622 // This would be evident because the swarming re
sult would be a failure. | |
| 623 if fr.res.State == TaskCompleted { | |
| 624 err = failedToStart(c, &build, fr.res, s
vc.getHost()) | |
| 625 return &build, err | |
| 626 } | |
| 627 logging.WithError(err).Errorf(c, "User cannot ac
cess stream.") | |
| 628 build.Components = append(build.Components, info
Component(model.Running, | |
| 629 "Waiting...", "waiting for annotation st
ream")) | |
| 630 | |
| 631 case coordinator.ErrNoAccess: | |
| 632 logging.WithError(err).Errorf(c, "User cannot ac
cess stream.") | |
| 633 build.Components = append(build.Components, info
Component(model.Failure, | |
| 634 "No Access", "no access to annotation st
ream")) | |
| 635 | |
| 636 default: | |
| 637 logging.WithError(err).Errorf(c, "Failed to load
LogDog annotation stream.") | |
| 638 build.Components = append(build.Components, info
Component(model.InfraFailure, | |
| 639 "Error", "failed to load annotation stre
am")) | |
| 640 } | |
| 641 } | |
| 642 | |
| 643 case fr.log != "": | |
| 644 // Decode the data using annotee. The logdog stream returned her
e is assumed | |
| 645 // to be consistent, which is why the following block of code ar
e not | |
| 646 // expected to ever err out. | |
| 647 var err error | |
| 648 lds, err = streamsFromAnnotatedLog(c, fr.log) | |
| 649 if err != nil { | |
| 650 comp := infoComponent(model.InfraFailure, "Milo annotati
on parser", err.Error()) | |
| 651 comp.SubLink = append(comp.SubLink, resp.LinkSet{ | |
| 652 resp.NewLink("swarming task", taskPageURL(svc.ge
tHost(), taskID)), | |
| 653 }) | |
| 654 build.Components = append(build.Components, comp) | |
| 655 } | |
| 656 | |
| 657 if lds != nil && lds.MainStream != nil && lds.MainStream.Data !=
nil { | |
| 658 s = lds.MainStream.Data | |
| 659 } | |
| 660 ub = swarmingURLBuilder(linkBase) | |
| 661 | |
| 662 default: | |
| 663 s = &miloProto.Step{} | |
| 664 ub = swarmingURLBuilder(linkBase) | |
| 665 } | |
| 666 | |
| 667 if s != nil { | |
| 668 if err := addTaskToMiloStep(c, svc.getHost(), fr.res, s); err !=
nil { | |
| 669 return nil, err | |
| 670 } | |
| 671 logdog.AddLogDogToBuild(c, ub, s, &build) | |
| 672 } | |
| 673 | |
| 674 if err := addTaskToBuild(c, svc.getHost(), fr.res, &build); err != nil { | |
| 675 return nil, err | |
| 676 } | |
| 677 | |
| 678 return &build, nil | |
| 679 } | |
| 680 | |
| 681 func infoComponent(st model.Status, label, text string) *resp.BuildComponent { | |
| 682 return &resp.BuildComponent{ | |
| 683 Type: resp.Summary, | |
| 684 Label: label, | |
| 685 Text: []string{text}, | |
| 686 Status: st, | |
| 687 } | |
| 688 } | |
| 689 | |
| 690 // isAllowed checks if: | |
| 691 // 1. allow_milo:1 is present. If so, it's a public job. | |
| 692 // 2. luci_project is present, and if the logged in user has access to that proj
ect. | |
| 693 func isAllowed(c context.Context, tags []string) bool { | |
| 694 for _, t := range tags { | |
| 695 if t == "allow_milo:1" { | |
| 696 return true | |
| 697 } | |
| 698 } | |
| 699 for _, t := range tags { | |
| 700 if strings.HasPrefix(t, "luci_project:") { | |
| 701 sp := strings.SplitN(t, ":", 2) | |
| 702 if len(sp) != 2 { | |
| 703 return false | |
| 704 } | |
| 705 logging.Debugf(c, "Checking if user has access to %s", s
p[1]) | |
| 706 // sp[1] is the project ID. | |
| 707 allowed, err := common.IsAllowed(c, sp[1]) | |
| 708 if err != nil { | |
| 709 logging.WithError(err).Errorf(c, "could not perf
orm acl check") | |
| 710 return false | |
| 711 } | |
| 712 return allowed | |
| 713 } | |
| 714 } | |
| 715 return false | |
| 716 } | |
| 717 | |
| 718 // taskPageURL returns a URL to a human-consumable page of a swarming task. | |
| 719 // Supports server aliases. | |
| 720 func taskPageURL(swarmingHostname, taskID string) string { | |
| 721 return fmt.Sprintf("https://%s/task?id=%s&show_raw=1&wide_logs=true", sw
armingHostname, taskID) | |
| 722 } | |
| 723 | |
| 724 // botPageURL returns a URL to a human-consumable page of a swarming bot. | |
| 725 // Supports server aliases. | |
| 726 func botPageURL(swarmingHostname, botID string) string { | |
| 727 return fmt.Sprintf("https://%s/restricted/bot/%s", swarmingHostname, bot
ID) | |
| 728 } | |
| 729 | |
| 730 // swarmingURLBuilder is a logdog.URLBuilder that builds Milo swarming log | |
| 731 // links. | |
| 732 // | |
| 733 // The string value for this should be the "linkBase" parameter value supplied | |
| 734 // to swarmingBuildImpl. | |
| 735 type swarmingURLBuilder string | |
| 736 | |
| 737 func (b swarmingURLBuilder) BuildLink(l *miloProto.Link) *resp.Link { | |
| 738 u, err := url.Parse(string(b)) | |
| 739 if err != nil { | |
| 740 return nil | |
| 741 } | |
| 742 | |
| 743 switch t := l.Value.(type) { | |
| 744 case *miloProto.Link_LogdogStream: | |
| 745 ls := t.LogdogStream | |
| 746 | |
| 747 if u.Path == "" { | |
| 748 u.Path = ls.Name | |
| 749 } else { | |
| 750 u.Path = strings.TrimSuffix(u.Path, "/") + "/" + ls.Name | |
| 751 } | |
| 752 link := resp.NewLink(l.Label, u.String()) | |
| 753 if link.Label == "" { | |
| 754 link.Label = ls.Name | |
| 755 } | |
| 756 return link | |
| 757 | |
| 758 case *miloProto.Link_Url: | |
| 759 return resp.NewLink(l.Label, t.Url) | |
| 760 | |
| 761 default: | |
| 762 return nil | |
| 763 } | |
| 764 } | |
| 765 | |
| 766 func swarmingTags(v []string) map[string]string { | |
| 767 res := make(map[string]string, len(v)) | |
| 768 for _, tag := range v { | |
| 769 var value string | |
| 770 parts := strings.SplitN(tag, ":", 2) | |
| 771 if len(parts) == 2 { | |
| 772 value = parts[1] | |
| 773 } | |
| 774 res[parts[0]] = value | |
| 775 } | |
| 776 return res | |
| 777 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2944983003:
[milo] {buildbucket,buildbot,swarming,logdog} -> backends/*. (Closed)
