use Gitlab get commit statuses API to get previous pipeline

Signed-off-by: Ricky Hariady <[email protected]>

Author: rhariady

server/events/vcs/gitlab_client.go

@@ -416,41 +416,34 @@ func (g *GitlabClient) UpdateStatus(logger logging.SimpleLogging, repo models.Re
 
 	retries := 1
 	delay := 2 * time.Second
-	var commit *gitlab.Commit
-	var statuses []*gitlab.CommitStatus
+	var commitStatuses []*gitlab.CommitStatus
 	var resp *gitlab.Response
 	var err error
 
+	// get the last commit status with the same ref
+	getCommitStatusesOptions := &gitlab.GetCommitStatusesOptions{
+		ListOptions: gitlab.ListOptions{
+			Sort:    "desc",
+			PerPage: 1,
+		},
+		Ref:     gitlab.Ptr(pull.HeadBranch),
+	}
+
 	// Try a couple of times to get the pipeline ID for the commit
 	for i := 0; i <= retries; i++ {
-		commit, resp, err = g.Client.Commits.GetCommit(repo.FullName, pull.HeadCommit, nil)
+		commitStatuses, resp, err = g.Client.Commits.GetCommitStatuses(repo.FullName, pull.HeadCommit, getCommitStatusesOptions)
+
 		if resp != nil {
 			logger.Debug("GET /projects/%s/repository/commits/%d: %d", pull.BaseRepo.ID(), pull.HeadCommit, resp.StatusCode)
 		}
 		if err != nil {
 			return err
 		}
-		if commit.LastPipeline != nil {
-			if commit.LastPipeline.Ref == pull.HeadBranch {
-				logger.Info("Pipeline found for commit %s, setting pipeline ID to %d", pull.HeadCommit, commit.LastPipeline.ID)
-				// Set the pipeline ID to the last pipeline that ran for the commit
-				setCommitStatusOptions.PipelineID = gitlab.Ptr(commit.LastPipeline.ID)
-				break
-			} else {
-				getCommitStatusesOptions := &gitlab.GetCommitStatusesOptions{
-					Ref: gitlab.Ptr(pull.HeadBranch),
-					Sort: gitlab.Ptr("desc"),
-					PerPage: gitlab.Ptr(1)
-				}
-
-				statuses, resp, err = g.Client.Commits.GetCommitStatus(repo.FullName, pull.HeadCommit, getCommitStatusesOptions)
-				if len(statuses) > 0 {
-					logger.Info("Pipeline found for commit %s, setting pipeline ID to %d", pull.HeadCommit, statuses[0].PipelineId)
-					// Set the pipeline ID to the last pipeline that ran for the commit
-					setCommitStatusOptions.PipelineID = gitlab.Ptr(statuses[0].PipelineId)
-					break
-				}
-			}
+		if len(commitStatuses) > 0 {
+			logger.Info("Pipeline found for commit %s, setting pipeline ID to %d", pull.HeadCommit, commitStatuses[0].PipelineId)
+			// Set the pipeline ID to the last pipeline that ran for the commit
+			setCommitStatusOptions.PipelineID = gitlab.Ptr(commitStatuses[0].PipelineId)
+			break
 		}
 		if i != retries {
 			logger.Info("No pipeline found for commit %s, retrying in %s", pull.HeadCommit, delay)
@@ -475,7 +468,7 @@ func (g *GitlabClient) UpdateStatus(logger logging.SimpleLogging, repo models.Re
 			"attempt", i+1,
 			"max_attempts", maxAttempts,
 			"repo", repo.FullName,
-			"commit", commit.ShortID,
+			"commit", pull.HeadCommit,
 			"state", state.String(),
 		)
 

server/events/vcs/gitlab_client_test.go

@@ -40,16 +40,13 @@ type UpdateStatusJsonBody struct {
 	Ref         string `json:"ref"`
 }
 
-/* GetCommit response last_pipeline JSON object */
-type GetCommitResponseLastPipeline struct {
-	ID  int    `json:"id"`
+type CommitStatus struct {
 	Ref string `json:"ref"`
+	PipelineID int `json:"pipeline_id"`
 }
 
-/* GetCommit response JSON object */
-type GetCommitResponse struct {
-	LastPipeline GetCommitResponseLastPipeline `json:"last_pipeline"`
-}
+/* GetCommitStatuses response JSON object */
+type GetCommitStatusesResponse []CommitStatus
 
 /* Empty struct for JSON marshalling */
 type EmptyStruct struct{}
@@ -348,19 +345,19 @@ func TestGitlabClient_UpdateStatus(t *testing.T) {
 						_, err = w.Write(setStatusJsonResponse)
 						Ok(t, err)
 
-					case "/api/v4/projects/runatlantis%2Fatlantis/repository/commits/sha":
+					case "/api/v4/projects/runatlantis%2Fatlantis/repository/commits/sha/statuses?per_page=1&ref=test&sort=desc":
 						w.WriteHeader(http.StatusOK)
 
-						getCommitResponse := GetCommitResponse{
-							LastPipeline: GetCommitResponseLastPipeline{
-								ID:  gitlabPipelineSuccessMrID,
+						getCommitStatusesResponse := GetCommitStatusesResponse{
+							CommitStatus{
 								Ref: updateStatusHeadBranch,
+								PipelineID: gitlabPipelineSuccessMrID,
 							},
 						}
-						getCommitJsonResponse, err := json.Marshal(getCommitResponse)
+						getCommitStatusesJsonResponse, err := json.Marshal(getCommitStatusesResponse)
 						Ok(t, err)
 
-						_, err = w.Write(getCommitJsonResponse)
+						_, err = w.Write(getCommitStatusesJsonResponse)
 						Ok(t, err)
 
 					case "/api/v4/":
@@ -471,25 +468,25 @@ func TestGitlabClient_UpdateStatusGetCommitRetryable(t *testing.T) {
 						_, err = w.Write(getCommitJsonResponse)
 						Ok(t, err)
 
-					case "/api/v4/projects/runatlantis%2Fatlantis/repository/commits/sha":
+					case "/api/v4/projects/runatlantis%2Fatlantis/repository/commits/sha/statuses?per_page=1&ref=test&sort=desc":
 						handledNumberOfRequests++
 						noCommitLastPipeline := handledNumberOfRequests <= c.commitsWithNoLastPipeline
 
 						w.WriteHeader(http.StatusOK)
 						if noCommitLastPipeline {
-							getCommitJsonResponse, err := json.Marshal(EmptyStruct{})
+							getCommitStatusesJsonResponse, err := json.Marshal([]EmptyStruct{})
 							Ok(t, err)
 
-							_, err = w.Write(getCommitJsonResponse)
+							_, err = w.Write(getCommitStatusesJsonResponse)
 							Ok(t, err)
 						} else {
-							getCommitResponse := GetCommitResponse{
-								LastPipeline: GetCommitResponseLastPipeline{
-									ID:  gitlabPipelineSuccessMrID,
+							getCommitStatusesResponse := GetCommitStatusesResponse{
+								CommitStatus{
 									Ref: updateStatusHeadBranch,
+									PipelineID: gitlabPipelineSuccessMrID,
 								},
 							}
-							getCommitJsonResponse, err := json.Marshal(getCommitResponse)
+							getCommitJsonResponse, err := json.Marshal(getCommitStatusesResponse)
 							Ok(t, err)
 
 							_, err = w.Write(getCommitJsonResponse)
@@ -608,19 +605,19 @@ func TestGitlabClient_UpdateStatusSetCommitStatusConflictRetryable(t *testing.T)
 						_, err = w.Write(getCommitJsonResponse)
 						Ok(t, err)
 
-					case "/api/v4/projects/runatlantis%2Fatlantis/repository/commits/sha":
+					case "/api/v4/projects/runatlantis%2Fatlantis/repository/commits/sha/statuses?per_page=1&ref=test&sort=desc":
 						w.WriteHeader(http.StatusOK)
 
-						getCommitResponse := GetCommitResponse{
-							LastPipeline: GetCommitResponseLastPipeline{
-								ID:  gitlabPipelineSuccessMrID,
+						getCommitStatusesResponse := GetCommitStatusesResponse{
+							CommitStatus{
 								Ref: updateStatusHeadBranch,
+								PipelineID: gitlabPipelineSuccessMrID,
 							},
 						}
-						getCommitJsonResponse, err := json.Marshal(getCommitResponse)
+						getCommitStatusesJsonResponse, err := json.Marshal(getCommitStatusesResponse)
 						Ok(t, err)
 
-						_, err = w.Write(getCommitJsonResponse)
+						_, err = w.Write(getCommitStatusesJsonResponse)
 						Ok(t, err)
 
 					case "/api/v4/":
@@ -721,19 +718,13 @@ func TestGitlabClient_UpdateStatusDifferentRef(t *testing.T) {
 						_, err = w.Write(setStatusJsonResponse)
 						Ok(t, err)
 
-					case "/api/v4/projects/runatlantis%2Fatlantis/repository/commits/sha":
+					case "/api/v4/projects/runatlantis%2Fatlantis/repository/commits/sha/statuses?per_page=1&ref=test&sort=desc":
 						w.WriteHeader(http.StatusOK)
 
-						getCommitResponse := GetCommitResponse{
-							LastPipeline: GetCommitResponseLastPipeline{
-								ID:  gitlabPipelineSuccessMrID,
-								Ref: updateStatusHeadBranchDuplicate,
-							},
-						}
-						getCommitJsonResponse, err := json.Marshal(getCommitResponse)
+						getCommitStatusesJsonResponse, err := json.Marshal([]EmptyStruct{})
 						Ok(t, err)
 
-						_, err = w.Write(getCommitJsonResponse)
+						_, err = w.Write(getCommitStatusesJsonResponse)
 						Ok(t, err)
 
 					case "/api/v4/":