Add cleanup tasks to remove stale objects

Uploads and PulpTemporaryFiles are cleaned up. Set the *_PROTECTION_TIME
settings to None in order to disable this behaviour.

fixes pulp#3949

CHANGES/3949.feature

@@ -0,0 +1,2 @@
+Added periodically executed cleanup tasks for uploads and temporary files. Configure a time
+interval in ``UPLOAD_PROTECTION_TIME`` or ``TMPFILE_PROTECTION_TIME`` to activate.

docs/configuration/settings.rst

@@ -442,6 +442,17 @@ ORPHAN_PROTECTION_TIME
     up before the task finishes. Default is 1440 minutes (24 hours).
 
 
+.. _upload_protection_time:
+.. _tmpfile_protection_time:
+
+UPLOAD_PROTECTION_TIME and TMPFILE_PROTECTION_TIME
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+    Pulp uses ``uploads`` and ``pulp temporary files`` to pass data from the api to worker tasks.
+    These options allow to specify a timeinterval in minutes used for cleaning up stale entries. If
+    set to 0, automatic cleanup is disabled, which is the default.
+
+
 .. _task_diagnostics:
 
 TASK_DIAGNOSTICS

pulpcore/app/settings.py

@@ -240,8 +240,10 @@
 
 WORKER_TTL = 30
 
-# how long to protect orphan content in minutes
+# how long to protect ephemeral items in minutes
 ORPHAN_PROTECTION_TIME = 24 * 60
+UPLOAD_PROTECTION_TIME = 0
+TMPFILE_PROTECTION_TIME = 0
 
 REMOTE_USER_ENVIRON_NAME = "REMOTE_USER"
 

pulpcore/app/tasks/orphan.py

@@ -1,12 +1,15 @@
 import gc
 
 from django.conf import settings
+from django.utils import timezone
 
 from pulpcore.app.models import (
     Artifact,
     Content,
     ProgressReport,
     PublishedMetadata,
+    PulpTemporaryFile,
+    Upload,
 )
 
 
@@ -41,56 +44,58 @@ def orphan_cleanup(content_pks=None, orphan_protection_time=settings.ORPHAN_PROT
         content_pks (list): A list of content pks. If specified, only remove these orphans.
 
     """
-    progress_bar = ProgressReport(
+    with ProgressReport(
         message="Clean up orphan Content",
-        total=0,
+        total=None,
         code="clean-up.content",
-        done=0,
-        state="running",
-    )
-
-    while True:
-        content = Content.objects.orphaned(orphan_protection_time, content_pks).exclude(
-            pulp_type=PublishedMetadata.get_pulp_type()
-        )
-        content_count = content.count()
-        if not content_count:
-            break
-
-        progress_bar.total += content_count
-        progress_bar.save()
-
-        # delete the content
-        for c in queryset_iterator(content):
-            progress_bar.increase_by(c.count())
-            c.delete()
-
-    progress_bar.state = "completed"
-    progress_bar.save()
+    ) as progress_bar:
+        while True:
+            content = Content.objects.orphaned(orphan_protection_time, content_pks).exclude(
+                pulp_type=PublishedMetadata.get_pulp_type()
+            )
+            content_count = content.count()
+            if not content_count:
+                break
+
+            # delete the content
+            for c in queryset_iterator(content):
+                progress_bar.increase_by(c.count())
+                c.delete()
 
     # delete the artifacts that don't belong to any content
     artifacts = Artifact.objects.orphaned(orphan_protection_time)
 
-    progress_bar = ProgressReport(
+    with ProgressReport(
         message="Clean up orphan Artifacts",
         total=artifacts.count(),
-        code="clean-up.content",
-        done=0,
-        state="running",
-    )
-    progress_bar.save()
-
-    counter = 0
-    interval = 100
-    for artifact in artifacts.iterator():
-        # we need to manually call delete() because it cleans up the file on the filesystem
-        artifact.delete()
-        progress_bar.done += 1
-        counter += 1
-
-        if counter >= interval:
-            progress_bar.save()
-            counter = 0
-
-    progress_bar.state = "completed"
-    progress_bar.save()
+        code="clean-up.artifacts",
+    ) as progress_bar:
+        for artifact in progress_bar.iter(artifacts.iterator()):
+            # we need to manually call delete() because it cleans up the file on the filesystem
+            artifact.delete()
+
+
+def upload_cleanup():
+    assert settings.UPLOAD_PROTECTION_TIME > 0
+    expiration = timezone.now() - timezone.timedelta(minutes=settings.UPLOAD_PROTECTION_TIME)
+    qs = Upload.objects.filter(pulp_created__lt=expiration)
+    with ProgressReport(
+        message="Clean up uploads",
+        total=qs.count(),
+        code="clean-up.uploads",
+    ) as pr:
+        for upload in pr.iter(qs):
+            upload.delete()
+
+
+def tmpfile_cleanup():
+    assert settings.TMPFILE_PROTECTION_TIME > 0
+    expiration = timezone.now() - timezone.timedelta(minutes=settings.TMPFILE_PROTECTION_TIME)
+    qs = PulpTemporaryFile.objects.filter(pulp_created__lt=expiration)
+    with ProgressReport(
+        message="Clean up shared temporary files",
+        total=qs.count(),
+        code="clean-up.tmpfiles",
+    ) as pr:
+        for tmpfile in pr.iter(qs):
+            tmpfile.delete()

pulpcore/app/util.py

@@ -311,6 +311,25 @@ def configure_analytics():
         models.TaskSchedule.objects.filter(task_name=task_name).delete()
 
 
+def configure_cleanup():
+    for name, task_name, protection_time in [
+        ("uploads", "pulpcore.app.tasks.orphan.upload_cleanup", settings.UPLOAD_PROTECTION_TIME),
+        (
+            "shared temporary files",
+            "pulpcore.app.tasks.orphan.tmpfile_cleanup",
+            settings.TMPFILE_PROTECTION_TIME,
+        ),
+    ]:
+        if protection_time > 0:
+            dispatch_interval = timedelta(minutes=protection_time)
+            name = f"Clean up stale {name} periodically"
+            models.TaskSchedule.objects.update_or_create(
+                name=name, defaults={"task_name": task_name, "dispatch_interval": dispatch_interval}
+            )
+        else:
+            models.TaskSchedule.objects.filter(task_name=task_name).delete()
+
+
 @lru_cache(maxsize=1)
 def _artifact_serving_distribution():
     return models.ArtifactDistribution.objects.get()

pulpcore/tasking/pulpcore_worker.py

@@ -24,6 +24,7 @@
 
 from pulpcore.app.util import (
     configure_analytics,
+    configure_cleanup,
     set_domain,
     set_current_user,
 )
@@ -57,6 +58,7 @@
 
 def startup_hook():
     configure_analytics()
+    configure_cleanup()
 
 
 class PGAdvisoryLock: