1 files changed, 128 insertions, 0 deletions
diff --git a/services/actions/cleanup.go b/services/actions/cleanup.go
new file mode 100644
index 0000000..34fa268
--- /dev/null
+++ b/services/actions/cleanup.go
@@ -0,0 +1,128 @@
+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package actions
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"os"
+	"time"
+
+	actions_model "code.gitea.io/gitea/models/actions"
+	actions_module "code.gitea.io/gitea/modules/actions"
+	"code.gitea.io/gitea/modules/log"
+	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/modules/storage"
+	"code.gitea.io/gitea/modules/timeutil"
+)
+
+// Cleanup removes expired actions logs, data and artifacts
+func Cleanup(ctx context.Context) error {
+	// clean up expired artifacts
+	if err := CleanupArtifacts(ctx); err != nil {
+		return fmt.Errorf("cleanup artifacts: %w", err)
+	}
+
+	// clean up old logs
+	if err := CleanupLogs(ctx); err != nil {
+		return fmt.Errorf("cleanup logs: %w", err)
+	}
+
+	return nil
+}
+
+// CleanupArtifacts removes expired add need-deleted artifacts and set records expired status
+func CleanupArtifacts(taskCtx context.Context) error {
+	if err := cleanExpiredArtifacts(taskCtx); err != nil {
+		return err
+	}
+	return cleanNeedDeleteArtifacts(taskCtx)
+}
+
+func cleanExpiredArtifacts(taskCtx context.Context) error {
+	artifacts, err := actions_model.ListNeedExpiredArtifacts(taskCtx)
+	if err != nil {
+		return err
+	}
+	log.Info("Found %d expired artifacts", len(artifacts))
+	for _, artifact := range artifacts {
+		if err := actions_model.SetArtifactExpired(taskCtx, artifact.ID); err != nil {
+			log.Error("Cannot set artifact %d expired: %v", artifact.ID, err)
+			continue
+		}
+		if err := storage.ActionsArtifacts.Delete(artifact.StoragePath); err != nil {
+			log.Error("Cannot delete artifact %d: %v", artifact.ID, err)
+			continue
+		}
+		log.Info("Artifact %d set expired", artifact.ID)
+	}
+	return nil
+}
+
+// deleteArtifactBatchSize is the batch size of deleting artifacts
+const deleteArtifactBatchSize = 100
+
+func cleanNeedDeleteArtifacts(taskCtx context.Context) error {
+	for {
+		artifacts, err := actions_model.ListPendingDeleteArtifacts(taskCtx, deleteArtifactBatchSize)
+		if err != nil {
+			return err
+		}
+		log.Info("Found %d artifacts pending deletion", len(artifacts))
+		for _, artifact := range artifacts {
+			if err := actions_model.SetArtifactDeleted(taskCtx, artifact.ID); err != nil {
+				log.Error("Cannot set artifact %d deleted: %v", artifact.ID, err)
+				continue
+			}
+			if err := storage.ActionsArtifacts.Delete(artifact.StoragePath); err != nil {
+				log.Error("Cannot delete artifact %d: %v", artifact.ID, err)
+				continue
+			}
+			log.Info("Artifact %d set deleted", artifact.ID)
+		}
+		if len(artifacts) < deleteArtifactBatchSize {
+			log.Debug("No more artifacts pending deletion")
+			break
+		}
+	}
+	return nil
+}
+
+const deleteLogBatchSize = 100
+
+// CleanupLogs removes logs which are older than the configured retention time
+func CleanupLogs(ctx context.Context) error {
+	olderThan := timeutil.TimeStampNow().AddDuration(-time.Duration(setting.Actions.LogRetentionDays) * 24 * time.Hour)
+
+	count := 0
+	for {
+		tasks, err := actions_model.FindOldTasksToExpire(ctx, olderThan, deleteLogBatchSize)
+		if err != nil {
+			return fmt.Errorf("find old tasks: %w", err)
+		}
+		for _, task := range tasks {
+			if err := actions_module.RemoveLogs(ctx, task.LogInStorage, task.LogFilename); err != nil && !errors.Is(err, os.ErrNotExist) {
+				log.Error("Failed to remove log %s (in storage %v) of task %v: %v", task.LogFilename, task.LogInStorage, task.ID, err)
+				// do not return error here, continue to next task
+				continue
+			}
+			task.LogIndexes = nil // clear log indexes since it's a heavy field
+			task.LogExpired = true
+			if err := actions_model.UpdateTask(ctx, task, "log_indexes", "log_expired"); err != nil {
+				log.Error("Failed to update task %v: %v", task.ID, err)
+				// do not return error here, continue to next task
+				continue
+			}
+			count++
+			log.Trace("Removed log %s of task %v", task.LogFilename, task.ID)
+		}
+		if len(tasks) < deleteLogBatchSize {
+			break
+		}
+	}
+
+	log.Info("Removed %d logs", count)
+	return nil
+}