|
| 1 | +package hooks |
| 2 | + |
| 3 | +import ( |
| 4 | + "fmt" |
| 5 | + "log" |
| 6 | + "regexp" |
| 7 | + "strconv" |
| 8 | + "strings" |
| 9 | + |
| 10 | + "github.com/diggerhq/digger/backend/ci_backends" |
| 11 | + controllers "github.com/diggerhq/digger/backend/controllers" |
| 12 | + "github.com/diggerhq/digger/backend/locking" |
| 13 | + "github.com/diggerhq/digger/backend/models" |
| 14 | + "github.com/diggerhq/digger/backend/utils" |
| 15 | + "github.com/diggerhq/digger/libs/ci/generic" |
| 16 | + dg_github "github.com/diggerhq/digger/libs/ci/github" |
| 17 | + comment_updater "github.com/diggerhq/digger/libs/comment_utils/reporting" |
| 18 | + "github.com/diggerhq/digger/libs/digger_config" |
| 19 | + dg_locking "github.com/diggerhq/digger/libs/locking" |
| 20 | + "github.com/diggerhq/digger/libs/scheduler" |
| 21 | + "github.com/google/go-github/v61/github" |
| 22 | + "github.com/samber/lo" |
| 23 | +) |
| 24 | + |
| 25 | +// DriftReconcilliationHook handles drift Issue comments (not PRs) allowing |
| 26 | +// "digger apply" or "digger unlock" on issues with titles like |
| 27 | +// "Drift detected in project: <projectName>". |
| 28 | +// |
| 29 | +// Implementation is verbatim from EE, with CE imports. |
| 30 | +var DriftReconcilliationHook controllers.IssueCommentHook = func(gh utils.GithubClientProvider, payload *github.IssueCommentEvent, ciBackendProvider ci_backends.CiBackendProvider) error { |
| 31 | + log.Printf("handling the drift reconcilliation hook") |
| 32 | + installationId := *payload.Installation.ID |
| 33 | + repoName := *payload.Repo.Name |
| 34 | + repoOwner := *payload.Repo.Owner.Login |
| 35 | + repoFullName := *payload.Repo.FullName |
| 36 | + cloneURL := *payload.Repo.CloneURL |
| 37 | + issueTitle := *payload.Issue.Title |
| 38 | + issueNumber := *payload.Issue.Number |
| 39 | + userCommentId := *payload.GetComment().ID |
| 40 | + actor := *payload.Sender.Login |
| 41 | + commentBody := *payload.Comment.Body |
| 42 | + defaultBranch := *payload.Repo.DefaultBranch |
| 43 | + isPullRequest := payload.Issue.IsPullRequest() |
| 44 | + |
| 45 | + if isPullRequest { |
| 46 | + log.Printf("Comment is not an issue, ignoring") |
| 47 | + return nil |
| 48 | + } |
| 49 | + |
| 50 | + // checking that the title of the issue matches regex |
| 51 | + var projectName string |
| 52 | + re := regexp.MustCompile(`^Drift detected in project:\s*(\S+)`) |
| 53 | + matches := re.FindStringSubmatch(issueTitle) |
| 54 | + if len(matches) > 1 { |
| 55 | + projectName = matches[1] |
| 56 | + } else { |
| 57 | + log.Printf("does not look like a drift issue, ignoring") |
| 58 | + } |
| 59 | + |
| 60 | + link, err := models.DB.GetGithubAppInstallationLink(installationId) |
| 61 | + if err != nil { |
| 62 | + log.Printf("Error getting GetGithubAppInstallationLink: %v", err) |
| 63 | + return fmt.Errorf("error getting github app link") |
| 64 | + } |
| 65 | + orgId := link.OrganisationId |
| 66 | + |
| 67 | + if *payload.Action != "created" { |
| 68 | + log.Printf("comment is not of type 'created', ignoring") |
| 69 | + return nil |
| 70 | + } |
| 71 | + |
| 72 | + allowedCommands := []string{"digger apply", "digger unlock"} |
| 73 | + if !lo.Contains(allowedCommands, strings.TrimSpace(*payload.Comment.Body)) { |
| 74 | + log.Printf("comment is not in allowed commands, ignoring") |
| 75 | + log.Printf("allowed commands: %v", allowedCommands) |
| 76 | + return nil |
| 77 | + } |
| 78 | + |
| 79 | + diggerYmlStr, ghService, config, projectsGraph, err := controllers.GetDiggerConfigForBranch(gh, installationId, repoFullName, repoOwner, repoName, cloneURL, defaultBranch, nil, nil) |
| 80 | + if err != nil { |
| 81 | + log.Printf("Error loading digger.yml: %v", err) |
| 82 | + return fmt.Errorf("error loading digger.yml") |
| 83 | + } |
| 84 | + |
| 85 | + commentIdStr := strconv.FormatInt(userCommentId, 10) |
| 86 | + err = ghService.CreateCommentReaction(commentIdStr, string(dg_github.GithubCommentEyesReaction)) |
| 87 | + if err != nil { |
| 88 | + log.Printf("CreateCommentReaction error: %v", err) |
| 89 | + } |
| 90 | + |
| 91 | + diggerCommand, err := scheduler.GetCommandFromComment(*payload.Comment.Body) |
| 92 | + if err != nil { |
| 93 | + log.Printf("unknown digger command in comment: %v", *payload.Comment.Body) |
| 94 | + utils.InitCommentReporter(ghService, issueNumber, fmt.Sprintf(":x: Could not recognise comment, error: %v", err)) |
| 95 | + return fmt.Errorf("unknown digger command in comment %v", err) |
| 96 | + } |
| 97 | + |
| 98 | + // attempting to lock for performing drift apply command |
| 99 | + prLock := dg_locking.PullRequestLock{ |
| 100 | + InternalLock: locking.BackendDBLock{ |
| 101 | + OrgId: orgId, |
| 102 | + }, |
| 103 | + CIService: ghService, |
| 104 | + Reporter: comment_updater.NoopReporter{}, |
| 105 | + ProjectName: projectName, |
| 106 | + ProjectNamespace: repoFullName, |
| 107 | + PrNumber: issueNumber, |
| 108 | + } |
| 109 | + err = dg_locking.PerformLockingActionFromCommand(prLock, *diggerCommand) |
| 110 | + if err != nil { |
| 111 | + utils.InitCommentReporter(ghService, issueNumber, fmt.Sprintf(":x: Failed perform lock action on project: %v %v", projectName, err)) |
| 112 | + return fmt.Errorf("failed perform lock action on project: %v %v", projectName, err) |
| 113 | + } |
| 114 | + |
| 115 | + if *diggerCommand == scheduler.DiggerCommandUnlock { |
| 116 | + utils.InitCommentReporter(ghService, issueNumber, fmt.Sprintf(":white_check_mark: Command %v completed successfully", *diggerCommand)) |
| 117 | + return nil |
| 118 | + } |
| 119 | + |
| 120 | + // === if we get here its a "digger apply command and we are already locked for this project ==== |
| 121 | + // perform apply here then unlock the project |
| 122 | + commentReporter, err := utils.InitCommentReporter(ghService, issueNumber, ":construction_worker: Digger starting....") |
| 123 | + if err != nil { |
| 124 | + log.Printf("Error initializing comment reporter: %v", err) |
| 125 | + return fmt.Errorf("error initializing comment reporter") |
| 126 | + } |
| 127 | + |
| 128 | + impactedProjects := config.GetProjects(projectName) |
| 129 | + jobs, coverAllImpactedProjects, err := generic.ConvertIssueCommentEventToJobs(repoFullName, actor, issueNumber, commentBody, impactedProjects, nil, config.Workflows, defaultBranch, defaultBranch, false) |
| 130 | + if err != nil { |
| 131 | + log.Printf("Error converting event to jobs: %v", err) |
| 132 | + utils.InitCommentReporter(ghService, issueNumber, fmt.Sprintf(":x: Error converting event to jobs: %v", err)) |
| 133 | + return fmt.Errorf("error converting event to jobs") |
| 134 | + } |
| 135 | + log.Printf("GitHub IssueComment event converted to Jobs successfully\n") |
| 136 | + |
| 137 | + err = utils.ReportInitialJobsStatus(commentReporter, jobs) |
| 138 | + if err != nil { |
| 139 | + log.Printf("Failed to comment initial status for jobs: %v", err) |
| 140 | + utils.InitCommentReporter(ghService, issueNumber, fmt.Sprintf(":x: Failed to comment initial status for jobs: %v", err)) |
| 141 | + return fmt.Errorf("failed to comment initial status for jobs") |
| 142 | + } |
| 143 | + |
| 144 | + impactedProjectsMap := make(map[string]digger_config.Project) |
| 145 | + for _, p := range impactedProjects { |
| 146 | + impactedProjectsMap[p.Name] = p |
| 147 | + } |
| 148 | + |
| 149 | + impactedProjectsJobMap := make(map[string]scheduler.Job) |
| 150 | + for _, j := range jobs { |
| 151 | + impactedProjectsJobMap[j.ProjectName] = j |
| 152 | + } |
| 153 | + |
| 154 | + reporterCommentId, err := strconv.ParseInt(commentReporter.CommentId, 10, 64) |
| 155 | + if err != nil { |
| 156 | + log.Printf("strconv.ParseInt error: %v", err) |
| 157 | + utils.InitCommentReporter(ghService, issueNumber, fmt.Sprintf(":x: could not handle commentId: %v", err)) |
| 158 | + } |
| 159 | + |
| 160 | + batchId, _, err := utils.ConvertJobsToDiggerJobs(*diggerCommand, "github", orgId, impactedProjectsJobMap, impactedProjectsMap, projectsGraph, installationId, defaultBranch, issueNumber, repoOwner, repoName, repoFullName, "", reporterCommentId, diggerYmlStr, 0, "", false, coverAllImpactedProjects, nil) |
| 161 | + if err != nil { |
| 162 | + log.Printf("ConvertJobsToDiggerJobs error: %v", err) |
| 163 | + utils.InitCommentReporter(ghService, issueNumber, fmt.Sprintf(":x: ConvertJobsToDiggerJobs error: %v", err)) |
| 164 | + return fmt.Errorf("error convertingjobs") |
| 165 | + } |
| 166 | + |
| 167 | + ciBackend, err := ciBackendProvider.GetCiBackend( |
| 168 | + ci_backends.CiBackendOptions{ |
| 169 | + GithubClientProvider: gh, |
| 170 | + GithubInstallationId: installationId, |
| 171 | + RepoName: repoName, |
| 172 | + RepoOwner: repoOwner, |
| 173 | + RepoFullName: repoFullName, |
| 174 | + }, |
| 175 | + ) |
| 176 | + if err != nil { |
| 177 | + log.Printf("GetCiBackend error: %v", err) |
| 178 | + utils.InitCommentReporter(ghService, issueNumber, fmt.Sprintf(":x: GetCiBackend error: %v", err)) |
| 179 | + return fmt.Errorf("error fetching ci backed %v", err) |
| 180 | + } |
| 181 | + |
| 182 | + err = controllers.TriggerDiggerJobs(ciBackend, repoFullName, repoOwner, repoName, batchId, issueNumber, ghService, gh) |
| 183 | + if err != nil { |
| 184 | + log.Printf("TriggerDiggerJobs error: %v", err) |
| 185 | + utils.InitCommentReporter(ghService, issueNumber, fmt.Sprintf(":x: TriggerDiggerJobs error: %v", err)) |
| 186 | + return fmt.Errorf("error triggering Digger Jobs") |
| 187 | + } |
| 188 | + |
| 189 | + // === now unlocking the project === |
| 190 | + err = dg_locking.PerformLockingActionFromCommand(prLock, scheduler.DiggerCommandUnlock) |
| 191 | + if err != nil { |
| 192 | + utils.InitCommentReporter(ghService, issueNumber, fmt.Sprintf(":x: Failed perform lock action on project: %v %v", projectName, err)) |
| 193 | + return fmt.Errorf("failed perform lock action on project: %v %v", projectName, err) |
| 194 | + } |
| 195 | + |
| 196 | + return nil |
| 197 | +} |
| 198 | + |
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