def image_get_all(context, filters=None, marker=None, limit=None,
sort_key='created_at', sort_dir='desc'):
"""
Get all images that match zero or more filters.
:param filters: dict of filter keys and values. If a 'properties'
key is present, it is treated as a dict of key/value
filters on the image properties attribute
:param marker: image id after which to start page
:param limit: maximum number of images to return
:param sort_key: image attribute by which results should be sorted
:param sort_dir: direction in which results should be sorted (asc, desc)
"""
filters = filters or {}
session = get_session()
query = session.query(models.Image).\
options(joinedload(models.Image.properties)).\
options(joinedload(models.Image.members))
if 'size_min' in filters:
query = query.filter(models.Image.size >= filters['size_min'])
del filters['size_min']
if 'size_max' in filters:
query = query.filter(models.Image.size <= filters['size_max'])
del filters['size_max']
if 'is_public' in filters and filters['is_public'] is not None:
the_filter = [models.Image.is_public == filters['is_public']]
if filters['is_public'] and context.owner is not None:
the_filter.extend([(models.Image.owner == context.owner),
models.Image.members.any(member=context.owner,
deleted=False)])
if len(the_filter) > 1:
query = query.filter(or_(*the_filter))
else:
query = query.filter(the_filter[0])
del filters['is_public']
showing_deleted = False
if 'changes-since' in filters:
# normalize timestamp to UTC, as sqlalchemy doesn't appear to
# respect timezone offsets
changes_since = utils.normalize_time(filters.pop('changes-since'))
query = query.filter(models.Image.updated_at > changes_since)
showing_deleted = True
if 'deleted' in filters:
deleted_filter = filters.pop('deleted')
query = query.filter_by(deleted=deleted_filter)
showing_deleted = deleted_filter
# TODO(bcwaldon): handle this logic in registry server
if not deleted_filter:
query = query.filter(models.Image.status != 'killed')
for (k, v) in filters.pop('properties', {}).items():
query = query.filter(models.Image.properties.any(name=k, value=v))
for (k, v) in filters.items():
if v is not None:
query = query.filter(getattr(models.Image, k) == v)
marker_image = None
if marker is not None:
marker_image = image_get(context, marker,
force_show_deleted=showing_deleted)
query = paginate_query(query, models.Image, limit,
[sort_key, 'created_at', 'id'],
marker=marker_image,
sort_dir=sort_dir)
return query.all()
def test_west_normalize(self):
str = '2012-02-14T20:53:07+21:00'
west = utils.parse_isotime(str)
normed = utils.normalize_time(west)
self._instaneous(normed, 2012, 2, 13, 23, 53, 07, 0)
def image_get_all(context, filters=None, marker=None, limit=None,
sort_key='created_at', sort_dir='desc'):
"""
Get all images that match zero or more filters.
:param filters: dict of filter keys and values. If a 'properties'
key is present, it is treated as a dict of key/value
filters on the image properties attribute
:param marker: image id after which to start page
:param limit: maximum number of images to return
:param sort_key: image attribute by which results should be sorted
:param sort_dir: direction in which results should be sorted (asc, desc)
"""
filters = filters or {}
session = get_session()
query = session.query(models.Image).\
options(joinedload(models.Image.properties)).\
options(joinedload(models.Image.members))
if 'size_min' in filters:
query = query.filter(models.Image.size >= filters['size_min'])
del filters['size_min']
if 'size_max' in filters:
query = query.filter(models.Image.size <= filters['size_max'])
del filters['size_max']
if 'is_public' in filters and filters['is_public'] is not None:
the_filter = [models.Image.is_public == filters['is_public']]
if filters['is_public'] and context.owner is not None:
the_filter.extend([(models.Image.owner == context.owner),
models.Image.members.any(member=context.owner,
deleted=False)])
if len(the_filter) > 1:
query = query.filter(or_(*the_filter))
else:
query = query.filter(the_filter[0])
del filters['is_public']
showing_deleted = False
if 'changes-since' in filters:
# normalize timestamp to UTC, as sqlalchemy doesn't appear to
# respect timezone offsets
changes_since = utils.normalize_time(filters.pop('changes-since'))
query = query.filter(models.Image.updated_at > changes_since)
showing_deleted = True
if 'deleted' in filters:
deleted_filter = filters.pop('deleted')
query = query.filter_by(deleted=deleted_filter)
showing_deleted = deleted_filter
# TODO(bcwaldon): handle this logic in registry server
if not deleted_filter:
query = query.filter(models.Image.status != 'killed')
for (k, v) in filters.pop('properties', {}).items():
query = query.filter(models.Image.properties.any(name=k, value=v))
for (k, v) in filters.items():
if v is not None:
query = query.filter(getattr(models.Image, k) == v)
marker_image = None
if marker is not None:
marker_image = image_get(context, marker,
force_show_deleted=showing_deleted)
query = paginate_query(query, models.Image, limit,
[sort_key, 'created_at', 'id'],
marker=marker_image,
sort_dir=sort_dir)
return query.all()
def test_east_normalize(self):
str = '2012-02-14T20:53:07-07:00'
east = utils.parse_isotime(str)
normed = utils.normalize_time(east)
self._instaneous(normed, 2012, 2, 15, 03, 53, 07, 0)
def test_zulu_normalize(self):
str = '2012-02-14T20:53:07Z'
zulu = utils.parse_isotime(str)
normed = utils.normalize_time(zulu)
self._instaneous(normed, 2012, 2, 14, 20, 53, 07, 0)
def test_west_normalize(self):
str = '2012-02-14T20:53:07+21:00'
west = utils.parse_isotime(str)
normed = utils.normalize_time(west)
self._instaneous(normed, 2012, 2, 13, 23, 53, 07, 0)
def test_east_normalize(self):
str = '2012-02-14T20:53:07-07:00'
east = utils.parse_isotime(str)
normed = utils.normalize_time(east)
self._instaneous(normed, 2012, 2, 15, 03, 53, 07, 0)
def test_zulu_normalize(self):
str = '2012-02-14T20:53:07Z'
zulu = utils.parse_isotime(str)
normed = utils.normalize_time(zulu)
self._instaneous(normed, 2012, 2, 14, 20, 53, 07, 0)