30/60 day ownership tasks (#32)

- Fill out README description (TODO ARCHBOM-1248: publish docs)
- Add PII annotation and mark OEP-30 compliant
- Update openedx.yaml with correct owner (obsoleted soon, but while I'm in here...)

Author: timmc-edx

README.rst

@@ -25,24 +25,22 @@ edx-celeryutils
     :target: https://github.com/edx/edx-celeryutils/blob/master/LICENSE.txt
     :alt: License
 
-The ``README.rst`` file should start with a brief description of the repository,
-which sets it in the context of other repositories under the ``edx``
-organization. It should make clear where this fits in to the overall edX
-codebase.
-
-Code to support working with celery
+Code to support working with Celery, a distributed task queue.
 
 Overview (please modify)
 ------------------------
 
-The ``README.rst`` file should then provide an overview of the code in this
-repository, including the main components and useful entry points for starting
-to understand the code in more detail.
+This package contains utilities to wrap tasks with logging and to
+persist them if they fail.
+
+It also supports Django administration for searching and deleting
+failed tasks, and management commands for rerunning failed tasks and
+deleting old ones.
 
 Documentation
 -------------
 
-The full documentation is at https://edx-celeryutils.readthedocs.org.
+(TODO: `Set up documentation <https://openedx.atlassian.net/wiki/spaces/DOC/pages/21627535/Publish+Documentation+on+Read+the+Docs>`_)
 
 Publishing a Release
 --------------------

celery_utils/models.py

@@ -24,6 +24,13 @@
 class FailedTask(TimeStampedModel):
     """
     Representation of tasks that have failed.
+
+    .. pii::
+       Stores arbitrary task parameters, which theoretically could include
+       email addresses, although as of May 2020 does not seem to.
+       Old tasks can be manually deleted in the Django administration UI.
+    .. pii_retirement: local_api
+    .. pii_types: other
     """
 
     task_name = models.CharField(max_length=255)

openedx.yaml

@@ -1,7 +1,9 @@
 # openedx.yaml
 
 ---
-owner: edx/teaching-and-learning
+owner:
+    type: team
+    team: edx/arch-bom
 nick: edx-celeryutils
 tags:
     - tools
@@ -14,3 +16,4 @@ oeps:
         state: False
         reason: Not relevant to this app
     oep-7: True
+    oep-30: True