// Munge is the workhorse the will actually make updates to the PR
func (LGTMAfterCommitMunger) Munge(obj *github.MungeObject) {
if !obj.IsPR() {
return
}
if !obj.HasLabel(lgtmLabel) {
return
}
lastModified := obj.LastModifiedTime()
lgtmTime := obj.LabelTime(lgtmLabel)
if lastModified == nil || lgtmTime == nil {
glog.Errorf("PR %d unable to determine lastModified or lgtmTime", *obj.Issue.Number)
return
}
if lastModified.After(*lgtmTime) {
glog.Infof("PR: %d lgtm:%s lastModified:%s", *obj.Issue.Number, lgtmTime.String(), lastModified.String())
body := fmt.Sprintf(lgtmRemovedBody, mungerutil.GetIssueUsers(obj.Issue).AllUsers().Mention().Join())
if err := obj.WriteComment(body); err != nil {
return
}
obj.RemoveLabel(lgtmLabel)
}
}
// Munge is the workhorse the will actually make updates to the PR
func (r *RebuildMunger) Munge(obj *github.MungeObject) {
if !obj.IsPR() {
return
}
comments, err := obj.ListComments()
if err != nil {
glog.Errorf("unexpected error getting comments: %v", err)
}
for ix := range comments {
comment := comments[ix]
// Skip all robot comments
if r.robots.Has(*comment.User.Login) {
glog.V(4).Infof("Skipping comment by robot %s: %s", *comment.User.Login, *comment.Body)
continue
}
if isRebuildComment(comment) && rebuildCommentMissingIssueNumber(comment) {
if err := obj.DeleteComment(comment); err != nil {
glog.Errorf("Error deleting comment: %v", err)
continue
}
body := fmt.Sprintf(rebuildFormat, *comment.User.Login)
err := obj.WriteComment(body)
if err != nil {
glog.Errorf("unexpected error adding comment: %v", err)
continue
}
}
}
}
// Munge is the workhorse the will actually make updates to the PR
func (r *ReleaseNoteLabel) Munge(obj *github.MungeObject) {
if !obj.IsPR() {
return
}
if completedReleaseNoteProcess(obj) {
r.ensureNoRelNoteNeededLabel(obj)
return
}
if !r.prMustFollowRelNoteProcess(obj) {
r.ensureNoRelNoteNeededLabel(obj)
return
}
if !obj.HasLabel(releaseNoteLabelNeeded) {
obj.AddLabel(releaseNoteLabelNeeded)
}
if !obj.HasLabel(lgtmLabel) {
return
}
obj.WriteComment(releaseNoteBody)
obj.RemoveLabel(lgtmLabel)
}
// Munge is the workhorse the will actually make updates to the PR
func (b *BlockPath) Munge(obj *github.MungeObject) {
if !obj.IsPR() {
return
}
if obj.HasLabel(doNotMergeLabel) {
return
}
files, err := obj.ListFiles()
if err != nil {
return
}
for _, f := range files {
if matchesAny(*f.Filename, b.blockRegexp) {
if matchesAny(*f.Filename, b.doNotBlockRegexp) {
continue
}
obj.WriteComment(blockPathBody)
obj.AddLabels([]string{doNotMergeLabel})
return
}
}
}
func (r *ReleaseNoteLabel) prMustFollowRelNoteProcess(obj *github.MungeObject) bool {
if obj.IsForBranch("master") {
return true
}
parents := getCherrypickParentPRs(obj, r.config)
// if it has no parents it needs to follow the release note process
if len(parents) == 0 {
return true
}
for _, parent := range parents {
// If the parent didn't set a release note, the CP must
if !parent.HasLabel(releaseNote) &&
!parent.HasLabel(releaseNoteActionRequired) {
if !obj.HasLabel(releaseNoteLabelNeeded) {
obj.WriteComment(parentReleaseNoteBody)
}
return true
}
}
// All of the parents set the releaseNote or releaseNoteActionRequired label,
// so this cherrypick PR needs to do nothing.
return false
}
// Munge is the workhorse the will actually make updates to the PR
func (b *BlockPath) Munge(obj *github.MungeObject) {
if !obj.IsPR() {
return
}
if obj.HasLabel(doNotMergeLabel) {
return
}
commits, err := obj.GetCommits()
if err != nil {
return
}
for _, c := range commits {
for _, f := range c.Files {
if matchesAny(*f.Filename, b.blockRegexp) {
if matchesAny(*f.Filename, b.doNotBlockRegexp) {
continue
}
body := fmt.Sprintf(`Adding label:%s because PR changes docs prohibited to auto merge
See http://kubernetes.io/editdocs/ for information about editing docs`, doNotMergeLabel)
obj.WriteComment(body)
obj.AddLabels([]string{doNotMergeLabel})
return
}
}
}
}
// Munge is the workhorse the will actually make updates to the PR
func (StaleGreenCI) Munge(obj *github.MungeObject) {
if !obj.IsPR() {
return
}
if !obj.HasLabel(lgtmLabel) {
return
}
if mergeable, err := obj.IsMergeable(); !mergeable || err != nil {
return
}
if !obj.IsStatusSuccess(requiredContexts) {
return
}
for _, context := range requiredContexts {
statusTime := obj.GetStatusTime(context)
if statusTime == nil {
glog.Errorf("%d: unable to determine time %q context was set", *obj.Issue.Number, context)
return
}
if time.Since(*statusTime) > staleGreenCIHours*time.Hour {
obj.WriteComment(greenMsgBody)
err := obj.WaitForPending(requiredContexts)
if err != nil {
glog.Errorf("Failed waiting for PR to start testing: %v", err)
}
return
}
}
}
// Munge is the workhorse the will actually make updates to the PR
func (NagFlakeIssues) Munge(obj *mgh.MungeObject) {
if obj.IsPR() || !obj.HasLabel("kind/flake") {
return
}
comments, err := obj.ListComments()
if err != nil {
glog.Error(err)
return
}
// Use the pinger to notify assignees:
// - Set time period based on configuration (at the top of this file)
// - Mention list of assignees as an argument
// - Start the ping timer after the last HumanActor comment
// How often should we ping
period := findTimePeriod(obj.Issue.Labels)
// Who are we pinging
who := mungerutil.GetIssueUsers(obj.Issue).Assignees.Mention().Join()
// When does the pinger start
startDate := c.LastComment(comments, c.HumanActor(), obj.Issue.CreatedAt)
// Get a notification if it's time to ping.
notif := pinger.SetTimePeriod(period).PingNotification(
comments,
who,
startDate,
)
if notif != nil {
obj.WriteComment(notif.String())
}
}
// Munge is the workhorse the will actually make updates to the PR
func (LGTMAfterCommitMunger) Munge(obj *github.MungeObject) {
if !obj.IsPR() {
return
}
if !obj.HasLabel("lgtm") {
return
}
lastModified := obj.LastModifiedTime()
lgtmTime := obj.LabelTime("lgtm")
if lastModified == nil || lgtmTime == nil {
glog.Errorf("PR %d unable to determine lastModified or lgtmTime", *obj.Issue.Number)
return
}
if lastModified.After(*lgtmTime) {
glog.Infof("PR: %d lgtm:%s lastModified:%s", *obj.Issue.Number, lgtmTime.String(), lastModified.String())
lgtmRemovedBody := "PR changed after LGTM, removing LGTM."
if err := obj.WriteComment(lgtmRemovedBody); err != nil {
return
}
obj.RemoveLabel("lgtm")
}
}
// Munge is the workhorse the will actually make updates to the PR
func (PingCIMunger) Munge(obj *github.MungeObject) {
if !obj.IsPR() {
return
}
if !obj.HasLabel("lgtm") {
return
}
mergeable, err := obj.IsMergeable()
if err != nil {
glog.V(2).Infof("Skipping %d - problem determining mergeability", *obj.Issue.Number)
return
}
if !mergeable {
glog.V(2).Infof("Skipping %d - not mergeable", *obj.Issue.Number)
return
}
if state := obj.GetStatusState([]string{jenkinsCIContext, travisContext}); state != "incomplete" {
glog.V(2).Info("Have %s status - skipping ping CI", jenkinsCIContext)
return
}
state := obj.GetStatusState([]string{shippableContext, travisContext})
if state == "incomplete" {
msg := "Continuous integration appears to have missed, closing and re-opening to trigger it"
obj.WriteComment(msg)
obj.ClosePR()
time.Sleep(5 * time.Second)
obj.OpenPR(10)
}
}
// Munge is the workhorse the will actually make updates to the PR
func (StalePendingCI) Munge(obj *github.MungeObject) {
requiredContexts := []string{jenkinsUnitContext, jenkinsE2EContext}
if !obj.IsPR() {
return
}
if !obj.HasLabel(lgtmLabel) {
return
}
if mergeable, err := obj.IsMergeable(); !mergeable || err != nil {
return
}
status := obj.GetStatusState(requiredContexts)
if status != "pending" {
return
}
for _, context := range requiredContexts {
statusTime := obj.GetStatusTime(context)
if statusTime == nil {
glog.Errorf("%d: unable to determine time %q context was set", *obj.Issue.Number, context)
return
}
if time.Since(*statusTime) > stalePendingCIHours*time.Hour {
obj.WriteComment(pendingMsgBody)
return
}
}
}
// Munge is the workhorse the will actually make updates to the PR
func (s *SizeMunger) Munge(obj *github.MungeObject) {
if !obj.IsPR() {
return
}
issue := obj.Issue
s.getGeneratedFiles(obj)
genFiles := *s.genFiles
genPrefixes := *s.genPrefixes
files, err := obj.ListFiles()
if err != nil {
return
}
adds := 0
dels := 0
for _, f := range files {
skip := false
for _, p := range genPrefixes {
if strings.HasPrefix(*f.Filename, p) {
skip = true
break
}
}
if skip {
continue
}
if genFiles.Has(*f.Filename) {
continue
}
if f.Additions != nil {
adds += *f.Additions
}
if f.Deletions != nil {
dels += *f.Deletions
}
}
newSize := calculateSize(adds, dels)
newLabel := labelSizePrefix + newSize
existing := github.GetLabelsWithPrefix(issue.Labels, labelSizePrefix)
needsUpdate := true
for _, l := range existing {
if l == newLabel {
needsUpdate = false
continue
}
obj.RemoveLabel(l)
}
if needsUpdate {
obj.AddLabels([]string{newLabel})
body := fmt.Sprintf("Labelling this PR as %s", newLabel)
obj.WriteComment(body)
}
}
func (sq *SubmitQueue) doGithubE2EAndMerge(obj *github.MungeObject) {
err := obj.Refresh()
if err != nil {
glog.Errorf("%d: unknown err: %v", *obj.Issue.Number, err)
sq.SetMergeStatus(obj, unknown)
return
}
if !sq.validForMerge(obj) {
return
}
if obj.HasLabel(e2eNotRequiredLabel) {
obj.MergePR("submit-queue")
sq.SetMergeStatus(obj, merged)
return
}
if err := obj.WriteComment(verifySafeToMergeBody); err != nil {
glog.Errorf("%d: unknown err: %v", *obj.Issue.Number, err)
sq.SetMergeStatus(obj, unknown)
return
}
// Wait for the build to start
sq.SetMergeStatus(obj, ghE2EWaitingStart)
err = obj.WaitForPending([]string{sq.E2EStatusContext, sq.UnitStatusContext})
if err != nil {
s := fmt.Sprintf("Failed waiting for PR to start testing: %v", err)
sq.SetMergeStatus(obj, s)
return
}
// Wait for the status to go back to something other than pending
sq.SetMergeStatus(obj, ghE2ERunning)
err = obj.WaitForNotPending([]string{sq.E2EStatusContext, sq.UnitStatusContext})
if err != nil {
s := fmt.Sprintf("Failed waiting for PR to finish testing: %v", err)
sq.SetMergeStatus(obj, s)
return
}
// Check if the thing we care about is success
if ok := obj.IsStatusSuccess([]string{sq.E2EStatusContext, sq.UnitStatusContext}); !ok {
sq.SetMergeStatus(obj, ghE2EFailed)
return
}
if !sq.e2eStable() {
sq.SetMergeStatus(obj, e2eFailure)
return
}
obj.MergePR("submit-queue")
sq.updateMergeRate()
sq.SetMergeStatus(obj, merged)
return
}
// Munge is unused by this munger.
func (cla *ClaMunger) Munge(obj *githubhelper.MungeObject) {
if !obj.IsPR() {
return
}
if obj.HasLabel(claHumanLabel) {
return
}
status := obj.GetStatusState([]string{cla.CLAStatusContext})
// Check for pending status and exit.
if status == contextPending {
// do nothing and wait for state to be updated.
return
}
if status == contextSuccess {
if obj.HasLabel(cncfClaYesLabel) {
// status is success and we've already applied 'cncf-cla: yes'.
return
}
if obj.HasLabel(cncfClaNoLabel) {
obj.RemoveLabel(cncfClaNoLabel)
}
obj.AddLabel(cncfClaYesLabel)
return
}
// If we are here, that means that the context is failure/error.
comments, err := obj.ListComments()
if err != nil {
glog.Error(err)
return
}
who := mungerutil.GetIssueUsers(obj.Issue).Author.Mention().Join()
// Get a notification if it's time to ping.
notif := cla.pinger.PingNotification(
comments,
who,
nil,
)
if notif != nil {
obj.WriteComment(notif.String())
}
if obj.HasLabel(cncfClaNoLabel) {
// status reported error/failure and we've already applied 'cncf-cla: no' label.
return
}
if obj.HasLabel(cncfClaYesLabel) {
obj.RemoveLabel(cncfClaYesLabel)
}
obj.AddLabel(cncfClaNoLabel)
}
func closePullRequest(obj *github.MungeObject, inactiveFor time.Duration) {
comment := findLatestWarningComment(obj)
if comment != nil {
obj.DeleteComment(comment)
}
obj.WriteComment(fmt.Sprintf(closingComment, durationToDays(inactiveFor)))
obj.ClosePR()
}
func handleFound(obj *github.MungeObject, gitMsg []byte, branch string) error {
msg := string(gitMsg)
o := strings.SplitN(msg, "\n", 2)
sha := o[0]
msg = fmt.Sprintf("Commit %s found in the %q branch appears to be this PR. Removing the %q label. If this s an error find help to get your PR picked.", sha, branch, cpCandidateLabel)
obj.WriteComment(msg)
obj.RemoveLabel(cpCandidateLabel)
return nil
}
// Munge is the workhorse the will actually make updates to the PR
func (OkToTestMunger) Munge(obj *github.MungeObject) {
if !obj.IsPR() {
return
}
if !obj.HasLabel(lgtmLabel) {
return
}
state := obj.GetStatusState(requiredContexts)
if state == "incomplete" {
glog.V(2).Infof("status is incomplete, adding ok to test")
obj.WriteComment(okToTestBody)
}
}
func closePullRequest(obj *github.MungeObject, inactiveFor time.Duration) {
mention := mungerutil.GetIssueUsers(obj.Issue).AllUsers().Mention().Join()
if mention != "" {
mention = "cc " + mention + "\n"
}
comment := findLatestWarningComment(obj)
if comment != nil {
obj.DeleteComment(comment)
}
obj.WriteComment(fmt.Sprintf(closingComment, durationToDays(inactiveFor), mention))
obj.ClosePR()
}
func postWarningComment(obj *github.MungeObject, inactiveFor time.Duration, closeIn time.Duration) {
mention := mungerutil.GetIssueUsers(obj.Issue).AllUsers().Mention().Join()
if mention != "" {
mention = "cc " + mention + "\n"
}
closeDate := time.Now().Add(closeIn).Format("Jan 2, 2006")
obj.WriteComment(fmt.Sprintf(
warningComment,
durationToDays(inactiveFor),
durationToDays(closeIn),
closeDate,
mention,
))
}
// Munge is the workhorse the will actually make updates to the PR
func (PickMustHaveMilestone) Munge(obj *github.MungeObject) {
if !obj.IsPR() {
return
}
if !obj.HasLabel(cpCandidateLabel) {
return
}
releaseMilestone := obj.ReleaseMilestone()
hasLabel := obj.HasLabel(cpCandidateLabel)
if hasLabel && releaseMilestone == "" {
obj.WriteComment(pickMustHaveMilestoneBody)
obj.RemoveLabel(cpCandidateLabel)
}
}
// Munge is the workhorse the will actually make updates to the PR
func (OkToTestMunger) Munge(obj *github.MungeObject) {
if !obj.IsPR() {
return
}
if !obj.HasLabel("lgtm") {
return
}
state := obj.GetStatusState([]string{"Jenkins GCE e2e"})
if state == "incomplete" {
glog.V(2).Infof("status is incomplete, adding ok to test")
msg := `@k8s-bot ok to test
pr builder appears to be missing, activating due to 'lgtm' label.`
obj.WriteComment(msg)
}
}
// Munge is the workhorse the will actually make updates to the PR
func (PickMustHaveMilestone) Munge(obj *github.MungeObject) {
if !obj.IsPR() {
return
}
if !obj.HasLabel(cpCandidateLabel) {
return
}
releaseMilestone := obj.ReleaseMilestone()
hasLabel := obj.HasLabel(cpCandidateLabel)
if hasLabel && releaseMilestone == "" {
msg := fmt.Sprintf("Removing label `%s` because no release milestone was set. This is an invalid state and thus this PR is not being considered for cherry-pick to any release branch. Please add an appropriate release milestone and then re-add the label.", cpCandidateLabel)
obj.WriteComment(msg)
obj.RemoveLabel(cpCandidateLabel)
}
}
// Munge is unused by this munger.
func (c *ClaMunger) Munge(obj *githubhelper.MungeObject) {
if !obj.IsPR() {
return
}
if obj.HasLabel(claHumanLabel) {
return
}
status := obj.GetStatusState([]string{c.CLAStatusContext})
// Check for pending status and exit.
if status == contextPending {
// do nothing and wait for state to be updated.
return
}
if status == contextSuccess {
if obj.HasLabel(cncfClaYesLabel) {
// status is success and we've already applied 'cncf-cla: yes'.
return
}
if obj.HasLabel(cncfClaNoLabel) {
obj.RemoveLabel(cncfClaNoLabel)
}
obj.AddLabel(cncfClaYesLabel)
return
}
if obj.HasLabel(cncfClaNoLabel) {
// status reported error/failure and we've already applied 'cncf-cla: no' label.
return
}
// Write comment and then modify the labels.
err := obj.WriteComment(fmt.Sprint(cncfclaNotFoundMessage, mungerutil.GetIssueUsers(obj.Issue).Author.Mention().Join()))
if err != nil {
return
}
if obj.HasLabel(cncfClaYesLabel) {
obj.RemoveLabel(cncfClaYesLabel)
}
obj.AddLabel(cncfClaNoLabel)
}
// Munge is the workhorse the will actually make updates to the PR
func (LabelUnapprovedPicks) Munge(obj *github.MungeObject) {
if !obj.IsPR() {
return
}
if obj.IsForBranch("master") {
return
}
if obj.HasLabel(cpApprovedLabel) {
return
}
obj.AddLabel(doNotMergeLabel)
msg := fmt.Sprintf("This PR is not for the master branch but does not have the `%s` label. Adding the `%s` label.", cpApprovedLabel, doNotMergeLabel)
obj.WriteComment(msg)
}
// updateIssue adds a comment about the item to the github object.
func (s *IssueSyncer) updateIssue(obj *github.MungeObject, source IssueSource) error {
body := source.Body(false)
id := source.ID()
if !strings.Contains(body, source.ID()) {
// prevent making tons of duplicate comments
panic(fmt.Errorf("Programmer error: %v does not contain %v!", body, id))
}
glog.Infof("Updating issue %v with item %v", *obj.Issue.Number, source.ID())
if err := obj.WriteComment(body); err != nil {
return err
}
p, err := source.Priority(obj)
if err != nil {
return err
}
return s.syncPriority(obj, p)
}
// Munge is the workhorse the will actually make updates to the PR
func (LabelUnapprovedPicks) Munge(obj *github.MungeObject) {
if !obj.IsPR() {
return
}
if obj.IsForBranch("master") {
return
}
if obj.HasLabel(cpApprovedLabel) {
return
}
if obj.HasLabel(doNotMergeLabel) {
return
}
obj.AddLabel(doNotMergeLabel)
obj.WriteComment(labelUnapprovedBody)
}
// Munge is the workhorse the will actually make updates to the PR
func (r *ReleaseNoteLabel) Munge(obj *github.MungeObject) {
if !obj.IsPR() {
return
}
if releaseNoteAlreadyAdded(obj) {
r.ensureNoRelNoteNeededLabel(obj)
return
}
if !r.prMustFollowRelNoteProcess(obj) {
r.ensureNoRelNoteNeededLabel(obj)
return
}
labelToAdd := determineReleaseNoteLabel(obj)
if labelToAdd != releaseNoteLabelNeeded {
//going to apply some other release-note-label
if obj.HasLabel(releaseNoteLabelNeeded) {
obj.RemoveLabel(releaseNoteLabelNeeded)
}
obj.AddLabel(labelToAdd)
return
}
if !obj.HasLabel(releaseNoteLabelNeeded) {
obj.AddLabel(releaseNoteLabelNeeded)
}
if !obj.HasLabel(lgtmLabel) {
return
}
if obj.HasLabel(doNotMergeLabel) {
return
}
obj.WriteComment(releaseNoteBody)
obj.AddLabel(doNotMergeLabel)
}
// Munge is the workhorse the will actually make updates to the PR
func (NeedsRebaseMunger) Munge(obj *github.MungeObject) {
if !obj.IsPR() {
return
}
mergeable, err := obj.IsMergeable()
if err != nil {
glog.V(2).Infof("Skipping %d - problem determining mergeable", *obj.Issue.Number)
return
}
if mergeable && obj.HasLabel(needsRebase) {
obj.RemoveLabel(needsRebase)
}
if !mergeable && !obj.HasLabel(needsRebase) {
obj.AddLabels([]string{needsRebase})
body := "PR needs rebase"
if err := obj.WriteComment(body); err != nil {
return
}
}
}
// Munge is the workhorse the will actually make updates to the PR
func (PingCIMunger) Munge(obj *github.MungeObject) {
if !obj.IsPR() {
return
}
// This munger only runs on certain branches, since travis/CI only listens
// on certain branches
validBranch := false
for _, b := range validBranches {
if obj.IsForBranch(b) {
validBranch = true
break
}
}
if !validBranch {
return
}
if !obj.HasLabel(lgtmLabel) {
return
}
mergeable, err := obj.IsMergeable()
if err != nil {
glog.V(2).Infof("ping CI skipping %d - problem determining mergeability", *obj.Issue.Number)
return
}
if !mergeable {
glog.V(2).Infof("ping CI skipping %d - not mergeable", *obj.Issue.Number)
return
}
if state := obj.GetStatusState([]string{travisContext}); state == "incomplete" {
msg := "Travis continuous integration appears to have missed, closing and re-opening to trigger it"
obj.WriteComment(msg)
obj.ClosePR()
time.Sleep(5 * time.Second)
obj.OpenPR(10)
}
}
// Munge is the workhorse the will actually make updates to the PR
func (RebuildMunger) Munge(obj *github.MungeObject) {
if !obj.IsPR() {
return
}
comments, err := obj.ListComments(*obj.Issue.Number)
if err != nil {
glog.Errorf("unexpected error getting comments: %v", err)
}
for ix := range comments {
comment := &comments[ix]
// Skip all robot comments
for _, robot := range []string{"k8s-bot", "k8s-merge-robot", "googlebot"} {
if *comment.User.Login == robot {
glog.V(4).Infof("Skipping comment by robot %s: %s", robot, *comment.Body)
continue
}
}
if isRebuildComment(comment) && rebuildCommentMissingIssueNumber(comment) {
if err := obj.DeleteComment(comment); err != nil {
glog.Errorf("Error deleting comment: %v", err)
continue
}
body := fmt.Sprintf(`@%s an issue is required for any manual rebuild. Expecting comment of the form 'github issue: #<number>'
[Open test flakes](https://github.com/kubernetes/kubernetes/issues?q=is%3Aissue%20label%3Akind%2Fflake)`, *comment.User.Login)
err := obj.WriteComment(body)
if err != nil {
glog.Errorf("unexpected error adding comment: %v", err)
continue
}
if obj.HasLabel("lgtm") {
if err := obj.RemoveLabel("lgtm"); err != nil {
glog.Errorf("unexpected error removing lgtm label: %v", err)
}
}
}
}
}