// FindCommitsForBuild determines which commits were first included in the
// given build. Assumes that all previous builds for the given builder/master
// are already in the database.
func FindCommitsForBuild(bf BuildFinder, b *Build, repos *gitinfo.RepoMap) ([]string, int, []string, error) {
defer metrics.NewTimer("buildbot.FindCommitsForBuild").Stop()
// Shortcut: Don't bother computing commit blamelists for trybots.
if IsTrybot(b.Builder) {
return []string{}, -1, []string{}, nil
}
if b.Repository == "" {
return []string{}, -1, []string{}, nil
}
repo, err := repos.Repo(b.Repository)
if err != nil {
return nil, -1, nil, fmt.Errorf("Could not find commits for build: %v", err)
}
// Shortcut for the first build for a given builder: this build must be
// the first inclusion for all revisions prior to b.GotRevision.
if b.Number == 0 && b.GotRevision != "" {
revlist, err := repo.RevList(b.GotRevision)
return revlist, -1, []string{}, err
}
// Start tracing commits back in time until we hit a previous build.
commitMap, stealFrom, stolen, err := findCommitsRecursive(bf, map[string]bool{}, b, b.GotRevision, repo, -1, []string{})
if err != nil {
return nil, -1, nil, err
}
commits := make([]string, 0, len(commitMap))
for c, _ := range commitMap {
commits = append(commits, c)
}
return commits, stealFrom, stolen, nil
}
// ingestNewBuilds finds the set of uningested builds and ingests them.
func ingestNewBuilds(m string, repos *gitinfo.RepoMap) error {
defer metrics.NewTimer("buildbot.ingestNewBuilds").Stop()
glog.Infof("Ingesting builds for %s", m)
// TODO(borenet): Investigate the use of channels here. We should be
// able to start ingesting builds as the data becomes available rather
// than waiting until the end.
buildsToProcess, err := getUningestedBuilds(m)
if err != nil {
return fmt.Errorf("Failed to obtain the set of uningested builds: %v", err)
}
unfinished, err := getUnfinishedBuilds(m)
if err != nil {
return fmt.Errorf("Failed to obtain the set of unfinished builds: %v", err)
}
for _, b := range unfinished {
if _, ok := buildsToProcess[b.Builder]; !ok {
buildsToProcess[b.Builder] = []int{}
}
buildsToProcess[b.Builder] = append(buildsToProcess[b.Builder], b.Number)
}
if err := repos.Update(); err != nil {
return err
}
// TODO(borenet): Can we ingest builders in parallel?
errs := map[string]error{}
for b, w := range buildsToProcess {
for _, n := range w {
if BUILD_BLACKLIST[b][n] {
glog.Warningf("Skipping blacklisted build: %s # %d", b, n)
continue
}
if IsTrybot(b) {
continue
}
glog.Infof("Ingesting build: %s, %s, %d", m, b, n)
build, err := retryGetBuildFromMaster(m, b, n, repos)
if err != nil {
errs[b] = fmt.Errorf("Failed to ingest build: %v", err)
break
}
if err := IngestBuild(build, repos); err != nil {
errs[b] = fmt.Errorf("Failed to ingest build: %v", err)
break
}
}
}
if len(errs) > 0 {
msg := fmt.Sprintf("Encountered errors ingesting builds for %s:", m)
for b, err := range errs {
msg += fmt.Sprintf("\n%s: %v", b, err)
}
return fmt.Errorf(msg)
}
glog.Infof("Done ingesting builds for %s", m)
return nil
}
// getBuildFromMaster retrieves the given build from the build master's JSON
// interface as specified by the master, builder, and build number.
func getBuildFromMaster(master, builder string, buildNumber int, repos *gitinfo.RepoMap) (*Build, error) {
var build Build
url := fmt.Sprintf("%s%s/json/builders/%s/builds/%d", BUILDBOT_URL, master, builder, buildNumber)
err := get(url, &build)
if err != nil {
return nil, fmt.Errorf("Failed to retrieve build #%d for %s: %s", buildNumber, builder, err)
}
build.Branch = build.branch()
build.GotRevision = build.gotRevision()
build.Master = master
build.Builder = builder
slaveProp := build.GetProperty("slavename").([]interface{})
if slaveProp != nil && len(slaveProp) == 3 {
build.BuildSlave = slaveProp[1].(string)
}
build.Started = build.Times[0]
build.Finished = build.Times[1]
propBytes, err := json.Marshal(&build.Properties)
if err != nil {
return nil, fmt.Errorf("Unable to convert build properties to JSON: %s", err)
}
build.PropertiesStr = string(propBytes)
build.Repository = build.repository()
if build.Repository == "" {
// Attempt to determine the repository.
glog.Infof("No repository set for %s #%d; attempting to find it.", build.Builder, build.Number)
r, err := repos.RepoForCommit(build.GotRevision)
if err == nil {
glog.Infof("Found %s for %s", r, build.GotRevision)
build.Repository = r
} else {
glog.Warningf("Encountered error determining repo for %s: %s", build.GotRevision, err)
}
}
// Fixup each step.
for _, s := range build.Steps {
if len(s.ResultsRaw) > 0 {
if s.ResultsRaw[0] == nil {
s.ResultsRaw[0] = 0.0
}
s.Results = int(s.ResultsRaw[0].(float64))
} else {
s.Results = 0
}
s.Started = s.Times[0]
s.Finished = s.Times[1]
}
return &build, nil
}
// getBuildFromMaster retrieves the given build from the build master's JSON
// interface as specified by the master, builder, and build number.
func getBuildFromMaster(master, builder string, buildNumber int, repos *gitinfo.RepoMap) (*Build, error) {
var build Build
url := fmt.Sprintf("%s%s/json/builders/%s/builds/%d", BUILDBOT_URL, master, builder, buildNumber)
err := get(url, &build)
if err != nil {
return nil, fmt.Errorf("Failed to retrieve build #%d for %s: %s", buildNumber, builder, err)
}
build.fixup()
if build.Repository == "" {
// Attempt to determine the repository.
glog.Infof("No repository set for %s #%d; attempting to find it.", build.Builder, build.Number)
r, err := repos.RepoForCommit(build.GotRevision)
if err == nil {
glog.Infof("Found %s for %s", r, build.GotRevision)
build.Repository = r
} else {
glog.Warningf("Encountered error determining repo for %s: %s", build.GotRevision, err)
}
}
return &build, nil
}
// step does a single step in ingesting builds from tradefed and pushing the results into the buildbot database.
func step(targets []string, buildService *androidbuildinternal.Service, repos *gitinfo.RepoMap) {
glog.Errorf("step: Begin")
if err := repos.Update(); err != nil {
glog.Errorf("Failed to update repos: %s", err)
return
}
// Loop over every target and look for skia commits in the builds.
for _, target := range targets {
r, err := buildService.Build.List().Branch(SKIA_BRANCH).BuildType("submitted").Target(target).ExtraFields("changeInfo").MaxResults(40).Do()
if err != nil {
glog.Errorf("Failed to load internal builds: %v", err)
continue
}
// Iterate over the builds in reverse order so we ingest the earlier Git
// hashes first and the more recent Git hashes later.
for i := len(r.Builds) - 1; i >= 0; i-- {
b := r.Builds[i]
commits := androidbuild.CommitsFromChanges(b.Changes)
glog.Infof("Commits: %#v", commits)
if len(commits) > 0 {
var cachedBuild *buildbot.Build = nil
// Only look at the first commit in the list. The commits always appear in reverse chronological order, so
// the 0th entry is the most recent commit.
c := commits[0]
// Create a buildbot.Build from the build info.
key, build := buildFromCommit(b, c)
glog.Infof("Key: %s Hash: %s", key, c.Hash)
// Store build.Builder (the codename) with its pair build.Target.Name in a local leveldb to serve redirects.
if err := codenameDB.Put([]byte(build.Builder), []byte(b.Target.Name), nil); err != nil {
glog.Errorf("Failed to write codename to data store: %s", err)
}
buildNumber, err := buildbot.GetBuildForCommit(build.Builder, build.Master, c.Hash)
if err != nil {
glog.Errorf("Failed to find the build in the database: %s", err)
continue
}
glog.Infof("GetBuildForCommit at hash: %s returned %d", c.Hash, buildNumber)
if buildNumber != -1 {
cachedBuild, err = buildbot.GetBuildFromDB(build.Builder, build.Master, buildNumber)
if err != nil {
glog.Errorf("Failed to retrieve build from database: %s", err)
continue
}
}
if cachedBuild == nil {
// This is a new build we've never seen before, so add it to the buildbot database.
// First calculate a new unique build.Number.
number, err := buildbot.GetMaxBuildNumber(build.Builder)
if err != nil {
glog.Infof("Failed to find next build number: %s", err)
continue
}
build.Number = number + 1
if err := buildbot.IngestBuild(build, repos); err != nil {
glog.Errorf("Failed to ingest build: %s", err)
continue
}
cachedBuild = build
}
// If the state of the build has changed then write it to the buildbot database.
if buildsDiffer(build, cachedBuild) {
// If this was a failure then we need to check that there is a mirror
// failure on the main branch, at which point we will say that this
// is a warning.
if build.Results == buildbot.BUILDBOT_FAILURE && brokenOnMaster(buildService, target, b.BuildId) {
build.Results = buildbot.BUILDBOT_WARNING
}
cachedBuild.Results = build.Results
cachedBuild.Finished = build.Finished
glog.Infof("Writing updated build to the database: %s %d", cachedBuild.Builder, cachedBuild.Number)
if err := buildbot.IngestBuild(cachedBuild, repos); err != nil {
glog.Errorf("Failed to ingest build: %s", err)
}
}
}
liveness.Update()
}
}
}
// ingestNewBuilds finds the set of uningested builds and ingests them.
func ingestNewBuilds(repos *gitinfo.RepoMap) error {
// TODO(borenet): Investigate the use of channels here. We should be
// able to start ingesting builds as the data becomes available rather
// than waiting until the end.
buildsToProcess, err := getUningestedBuilds()
if err != nil {
return fmt.Errorf("Failed to obtain the set of uningested builds: %v", err)
}
unfinished, err := getUnfinishedBuilds()
if err != nil {
return fmt.Errorf("Failed to obtain the set of unfinished builds: %v", err)
}
for _, b := range unfinished {
if _, ok := buildsToProcess[b.Master]; !ok {
buildsToProcess[b.Master] = map[string][]int{}
}
if _, ok := buildsToProcess[b.Builder]; !ok {
buildsToProcess[b.Master][b.Builder] = []int{}
}
buildsToProcess[b.Master][b.Builder] = append(buildsToProcess[b.Master][b.Builder], b.Number)
}
if err := repos.Update(); err != nil {
return err
}
// TODO(borenet): Figure out how much of this is safe to parallelize.
// We can definitely do different masters in parallel, and maybe we can
// ingest different builders in parallel as well.
var wg sync.WaitGroup
errors := map[string]error{}
for m, v := range buildsToProcess {
wg.Add(1)
go func(master string, buildsToProcessForMaster map[string][]int) {
defer wg.Done()
for b, w := range buildsToProcessForMaster {
for _, n := range w {
if BUILD_BLACKLIST[b][n] {
glog.Warningf("Skipping blacklisted build: %s # %d", b, n)
continue
}
glog.Infof("Ingesting build: %s, %s, %d", master, b, n)
build, err := retryGetBuildFromMaster(master, b, n, repos)
if err != nil {
err := fmt.Errorf("Failed to ingest build: %v", err)
glog.Error(err)
errors[master] = err
return
}
if err := IngestBuild(build, repos); err != nil {
err := fmt.Errorf("Failed to ingest build: %v", err)
glog.Error(err)
errors[master] = err
return
}
}
}
}(m, v)
}
wg.Wait()
if len(errors) > 0 {
return fmt.Errorf("Errors: %v", errors)
}
return nil
}