func newInterruptedObject(obj *github.MungeObject) *submitQueueInterruptedObject {
if headSHA, baseRef, gotHeadSHA := obj.GetHeadAndBase(); !gotHeadSHA {
return nil
} else if baseSHA, gotBaseSHA := obj.GetSHAFromRef(baseRef); !gotBaseSHA {
return nil
} else {
return &submitQueueInterruptedObject{obj, headSHA, baseSHA}
}
}
// Returns true if we can discard the PR from the queue, false if we must keep it for later.
func (sq *SubmitQueue) doGithubE2EAndMerge(obj *github.MungeObject) bool {
interruptedObj := sq.interruptedObj
sq.interruptedObj = nil
err := obj.Refresh()
if err != nil {
glog.Errorf("%d: unknown err: %v", *obj.Issue.Number, err)
sq.SetMergeStatus(obj, unknown)
return true
}
if !sq.validForMerge(obj) {
return true
}
if obj.HasLabel(retestNotRequiredLabel) || obj.HasLabel(retestNotRequiredDocsOnlyLabel) {
atomic.AddInt32(&sq.instantMerges, 1)
sq.mergePullRequest(obj)
return true
}
sha, _, ok := obj.GetHeadAndBase()
if !ok {
glog.Errorf("%d: Unable to get SHA", *obj.Issue.Number)
sq.SetMergeStatus(obj, unknown)
return true
}
if interruptedObj != nil {
if interruptedObj.hasSHAChanged() {
// This PR will have to be rested.
// Make sure we don't have higher priority first.
return false
}
glog.Infof("Skipping retest since head and base sha match previous attempt!")
atomic.AddInt32(&sq.retestsAvoided, 1)
} else {
if sq.retestPR(obj) {
return true
}
err := obj.Refresh()
if err != nil {
glog.Errorf("%d: unknown err: %v", *obj.Issue.Number, err)
sq.SetMergeStatus(obj, unknown)
return true
}
}
// We shouldn't merge if it's not valid anymore
if !sq.validForMerge(obj) {
glog.Errorf("%d: Not mergeable anymore. Do not merge.", *obj.Issue.Number)
return true
}
if newSha, _, ok := obj.GetHeadAndBase(); !ok {
glog.Errorf("%d: Unable to get SHA", *obj.Issue.Number)
sq.SetMergeStatus(obj, unknown)
return true
} else if newSha != sha {
glog.Errorf("%d: Changed while running the test. Do not merge.", *obj.Issue.Number)
sq.SetMergeStatus(obj, headCommitChanged)
return false
}
if !sq.e2eStable(true) {
if sq.validForMerge(obj) {
sq.interruptedObj = newInterruptedObject(obj)
}
sq.SetMergeStatus(obj, e2eFailure)
return true
}
sq.mergePullRequest(obj)
return true
}
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
}
// See if we can skip the retest.
headSHA, baseRef, gotHeadSHA := obj.GetHeadAndBase()
baseSHA := ""
gotBaseSHA := false
if gotHeadSHA {
baseSHA, gotBaseSHA = obj.GetSHAFromRef(baseRef)
}
maySkipTest := gotHeadSHA && gotBaseSHA &&
sq.interruptedMergeBaseSHA == baseSHA &&
sq.interruptedMergeHeadSHA == headSHA
if maySkipTest {
glog.Infof("Skipping retest since head and base sha match previous attempt!")
atomic.AddInt32(&sq.retestsAvoided, 1)
} else {
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
}
// re-get the base SHA in case something merged between us checking and
// starting the tests.
if gotHeadSHA {
baseSHA, gotBaseSHA = obj.GetSHAFromRef(baseRef)
}
// 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(true) {
if gotHeadSHA && gotBaseSHA {
sq.interruptedMergeBaseSHA = baseSHA
sq.interruptedMergeHeadSHA = headSHA
}
sq.SetMergeStatus(obj, e2eFailure)
return
}
obj.MergePR("submit-queue")
sq.updateMergeRate()
sq.SetMergeStatus(obj, merged)
return
}