def main(self):
librariangc.log = self.logger
if self.options.loglevel <= logging.DEBUG:
librariangc.debug = True
# XXX wgrant 2011-09-18 bug=853066: Using Storm's raw connection
# here is wrong. We should either create our own or use
# Store.execute or cursor() and the transaction module.
conn = IStore(LibraryFileAlias)._connection._raw_connection
# Refuse to run if we have significant clock skew between the
# librarian and the database.
librariangc.confirm_no_clock_skew(conn)
# Note that each of these next steps will issue commit commands
# as appropriate to make this script transaction friendly
if not self.options.skip_expiry:
librariangc.expire_aliases(conn)
if not self.options.skip_content:
# First sweep.
librariangc.delete_unreferenced_content(conn)
if not self.options.skip_blobs:
librariangc.delete_expired_blobs(conn)
if not self.options.skip_duplicates:
librariangc.merge_duplicates(conn)
if not self.options.skip_aliases:
librariangc.delete_unreferenced_aliases(conn)
if not self.options.skip_content:
# Second sweep.
librariangc.delete_unreferenced_content(conn)
if not self.options.skip_files:
librariangc.delete_unwanted_files(conn)
def main(self):
librariangc.log = self.logger
if self.options.loglevel <= logging.DEBUG:
librariangc.debug = True
# XXX wgrant 2011-09-18 bug=853066: Using Storm's raw connection
# here is wrong. We should either create our own or use
# Store.execute or cursor() and the transaction module.
conn = IStore(LibraryFileAlias)._connection._raw_connection
# Refuse to run if we have significant clock skew between the
# librarian and the database.
librariangc.confirm_no_clock_skew(conn)
# Note that each of these next steps will issue commit commands
# as appropriate to make this script transaction friendly
if not self.options.skip_expiry:
librariangc.expire_aliases(conn)
if not self.options.skip_content:
# First sweep.
librariangc.delete_unreferenced_content(conn)
if not self.options.skip_blobs:
librariangc.delete_expired_blobs(conn)
if not self.options.skip_duplicates:
librariangc.merge_duplicates(conn)
if not self.options.skip_aliases:
librariangc.delete_unreferenced_aliases(conn)
if not self.options.skip_content:
# Second sweep.
librariangc.delete_unreferenced_content(conn)
if not self.options.skip_files:
librariangc.delete_unwanted_files(conn)
def test_deleteWellExpiredAliases(self):
# LibraryFileAlias records that are expired are unlinked from their
# content.
# Flag one of our LibraryFileAliases with an expiry date in the past
self.ztm.begin()
f1 = LibraryFileAlias.get(self.f1_id)
f1.expires = self.ancient_past
del f1
self.ztm.commit()
# Unlink expired LibraryFileAliases.
librariangc.expire_aliases(self.con)
self.ztm.begin()
# Make sure the well expired f1 is still there, but has no content.
f1 = LibraryFileAlias.get(self.f1_id)
self.assert_(f1.content is None)
# f2 should still have content, as it isn't flagged for expiry.
f2 = LibraryFileAlias.get(self.f2_id)
self.assert_(f2.content is not None)
def test_ignoreRecentlyExpiredAliases(self):
# LibraryFileAlias records that have expired recently are not
# garbage collected.
# Flag one of our LibraryFileAliases with an expiry date in the
# recent past.
self.ztm.begin()
f1 = LibraryFileAlias.get(self.f1_id)
f1.expires = self.recent_past # Within stay of execution.
del f1
self.ztm.commit()
# Unlink expired LibraryFileAliases.
librariangc.expire_aliases(self.con)
self.ztm.begin()
# Make sure f1 is still there and has content. This ensures that
# our stay of execution is still working.
f1 = LibraryFileAlias.get(self.f1_id)
self.assert_(f1.content is not None)
# f2 should still have content, as it isn't flagged for expiry.
f2 = LibraryFileAlias.get(self.f2_id)
self.assert_(f2.content is not None)