class Transition(Expiration):
"""Change object storage policy after a specified delay or date."""
def __init__(self, policy=None, days=None, date=None, api=None):
super(Transition, self).__init__(days=days, date=date, api=api)
if policy is None:
raise ValueError("'policy' must be specified")
self.policy = policy
if self.api:
from oio.content.factory import ContentFactory
self.factory = ContentFactory(api.container.conf, api.container)
else:
self.factory = None
@classmethod
def from_element(cls, transition_elt, **kwargs):
stgcls_elt = transition_elt.find('StorageClass')
if stgcls_elt is None:
raise ValueError("Missing 'StorageClass' element in 'Transition'")
sup_from_elt = getattr(super(Transition, cls), 'from_element')
return sup_from_elt.__func__(cls,
transition_elt,
policy=stgcls_elt.text,
**kwargs)
def apply(self, account, container, obj_meta, **kwargs):
if self.match(obj_meta, **kwargs):
cid = cid_from_name(account, container)
if not self.factory:
return "Kept"
# TODO: avoid loading content description a second time
self.factory.change_policy(cid, obj_meta['id'], self.policy)
return "Policy changed to %s" % self.policy
return "Kept"
class Transition(LifecycleAction):
"""
Change object storage policy.
"""
XML_POLICY = 'StorageClass'
def __init__(self, filter, policy_elt, **kwargs):
super(Transition, self).__init__(filter, **kwargs)
self.policy = policy_elt.text
if self.lifecycle and self.lifecycle.api:
from oio.content.factory import ContentFactory
self.factory = ContentFactory(self.lifecycle.api.container.conf,
self.lifecycle.api.container)
else:
self.factory = None
def apply(self, obj_meta, **kwargs):
if self.match(obj_meta, **kwargs):
cid = cid_from_name(self.lifecycle.account,
self.lifecycle.container)
if not self.factory:
return "Kept"
# TODO: avoid loading content description a second time
self.factory.change_policy(cid, obj_meta['id'], self.policy)
return "Policy changed to %s" % self.policy
return "Kept"
@classmethod
def from_element(cls, transition_elt, **kwargs):
policy_elt = transition_elt.find(cls.XML_POLICY)
if policy_elt is None:
raise ValueError("Missing '%s' element in '%s'" %
(cls.XML_POLICY, transition_elt.tag))
days_elt = transition_elt.find(DaysTransition.XML_TAG)
date_elt = transition_elt.find(DateTransition.XML_TAG)
if not ((days_elt is None) ^ (date_elt is None)):
raise ValueError("Missing '%s' or '%s' element in '%s'" %
(DaysTransition.XML_TAG, DateTransition.XML_TAG,
transition_elt.tag))
if days_elt is not None:
return DaysTransition(days_elt, policy_elt, **kwargs)
if date_elt is not None:
return DateTransition(date_elt, policy_elt, **kwargs)
class TestContentFactory(BaseTestCase):
def setUp(self):
super(TestContentFactory, self).setUp()
self.namespace = self.conf['namespace']
self.chunk_size = self.conf['chunk_size']
self.gridconf = {"namespace": self.namespace}
self.content_factory = ContentFactory(self.gridconf)
self.container_name = "TestContentFactory%f" % time.time()
self.container_client = ContainerClient(self.gridconf)
self.container_client.container_create(acct=self.account,
ref=self.container_name)
self.container_id = cid_from_name(self.account,
self.container_name).upper()
def tearDown(self):
super(TestContentFactory, self).tearDown()
def test_extract_datasec(self):
self.content_factory.ns_info = {
"data_security": {
"DUPONETWO": "DUP:distance=1|nb_copy=2",
"RAIN": "RAIN:k=6|m=2|algo=liber8tion"
},
"storage_policy": {
"RAIN": "NONE:RAIN:NONE",
"SINGLE": "NONE:NONE:NONE",
"TWOCOPIES": "NONE:DUPONETWO:NONE"
}
}
ds_type, ds_args = self.content_factory._extract_datasec("RAIN")
self.assertEqual(ds_type, "RAIN")
self.assertEqual(ds_args, {"k": "6", "m": "2", "algo": "liber8tion"})
ds_type, ds_args = self.content_factory._extract_datasec("SINGLE")
self.assertEqual(ds_type, "DUP")
self.assertEqual(ds_args, {"nb_copy": "1", "distance": "0"})
ds_type, ds_args = self.content_factory._extract_datasec("TWOCOPIES")
self.assertEqual(ds_type, "DUP")
self.assertEqual(ds_args, {"nb_copy": "2", "distance": "1"})
self.assertRaises(InconsistentContent,
self.content_factory._extract_datasec, "UnKnOwN")
def test_get_rain(self):
meta = {
"chunk-method": "plain/rain?algo=liber8tion&k=6&m=2",
"ctime": "1450176946",
"deleted": "False",
"hash": "E952A419957A6E405BFC53EC65483F73",
"hash-method": "md5",
"id": "3FA2C4A1ED2605005335A276890EC458",
"length": "658",
"mime-type": "application/octet-stream",
"name": "tox.ini",
"policy": "RAIN",
"version": "1450176946676289"
}
chunks = [{
"url": "http://127.0.0.1:6012/A0A0",
"pos": "0.p0",
"size": 512,
"hash": "E7D4E4AD460971CA2E3141F2102308D4"
}, {
"url": "http://127.0.0.1:6010/A01",
"pos": "0.1",
"size": 146,
"hash": "760AB5DA7C51A3654F1CA622687CD6C3"
}, {
"url": "http://127.0.0.1:6011/A00",
"pos": "0.0",
"size": 512,
"hash": "B1D08B86B8CAA90A2092CCA0DF9201DB"
}, {
"url": "http://127.0.0.1:6013/A0A1",
"pos": "0.p1",
"size": 512,
"hash": "DA9D7F72AEEA5791565724424CE45C16"
}]
self.content_factory.container_client.content_show = Mock(
return_value=(meta, chunks))
c = self.content_factory.get("xxx_container_id", "xxx_content_id")
self.assertEqual(type(c), RainContent)
self.assertEqual(c.content_id, "3FA2C4A1ED2605005335A276890EC458")
self.assertEqual(c.length, 658)
self.assertEqual(c.path, "tox.ini")
self.assertEqual(c.version, "1450176946676289")
self.assertEqual(c.algo, "liber8tion")
self.assertEqual(c.k, 6)
self.assertEqual(c.m, 2)
self.assertEqual(len(c.chunks), 4)
self.assertEqual(c.chunks[0].raw(), chunks[2])
self.assertEqual(c.chunks[1].raw(), chunks[1])
self.assertEqual(c.chunks[2].raw(), chunks[0])
self.assertEqual(c.chunks[3].raw(), chunks[3])
def test_get_dup(self):
meta = {
"chunk-method": "plain/bytes",
"ctime": "1450176946",
"deleted": "False",
"hash": "E952A419957A6E405BFC53EC65483F73",
"hash-method": "md5",
"id": "3FA2C4A1ED2605005335A276890EC458",
"length": "658",
"mime-type": "application/octet-stream",
"name": "tox.ini",
"policy": "TWOCOPIES",
"version": "1450176946676289"
}
chunks = [{
"url": "http://127.0.0.1:6010/A0",
"pos": "0",
"size": 658,
"hash": "E952A419957A6E405BFC53EC65483F73"
}, {
"url": "http://127.0.0.1:6011/A1",
"pos": "0",
"size": 658,
"hash": "E952A419957A6E405BFC53EC65483F73"
}]
self.content_factory.container_client.content_show = Mock(
return_value=(meta, chunks))
c = self.content_factory.get("xxx_container_id", "xxx_content_id")
self.assertEqual(type(c), DupContent)
self.assertEqual(c.content_id, "3FA2C4A1ED2605005335A276890EC458")
self.assertEqual(c.length, 658)
self.assertEqual(c.path, "tox.ini")
self.assertEqual(c.version, "1450176946676289")
self.assertEqual(c.nb_copy, 2)
self.assertEqual(c.distance, 1)
self.assertEqual(len(c.chunks), 2)
self.assertEqual(c.chunks[0].raw(), chunks[0])
self.assertEqual(c.chunks[1].raw(), chunks[1])
def test_new_rain(self):
meta = {
"chunk-method": "plain/rain?algo=liber8tion&k=6&m=2",
"ctime": "1450341162",
"deleted": "False",
"hash": "",
"hash-method": "md5",
"id": "F4B1C8DD132705007DE8B43D0709DAA2",
"length": "1000",
"mime-type": "application/octet-stream",
"name": "titi",
"policy": "RAIN",
"version": "1450341162332663"
}
chunks = [{
"url": "http://127.0.0.1:6010/0_p1",
"pos": "0.p1",
"size": 1048576,
"hash": "00000000000000000000000000000000"
}, {
"url": "http://127.0.0.1:6011/0_p0",
"pos": "0.p0",
"size": 1048576,
"hash": "00000000000000000000000000000000"
}, {
"url": "http://127.0.0.1:6016/0_1",
"pos": "0.1",
"size": 1048576,
"hash": "00000000000000000000000000000000"
}, {
"url": "http://127.0.0.1:6017/0_0",
"pos": "0.0",
"size": 1048576,
"hash": "00000000000000000000000000000000"
}]
self.content_factory.container_client.content_prepare = Mock(
return_value=(meta, chunks))
c = self.content_factory.new("xxx_container_id", "titi", 1000, "RAIN")
self.assertEqual(type(c), RainContent)
self.assertEqual(c.content_id, "F4B1C8DD132705007DE8B43D0709DAA2")
self.assertEqual(c.length, 1000)
self.assertEqual(c.path, "titi")
self.assertEqual(c.version, "1450341162332663")
self.assertEqual(c.algo, "liber8tion")
self.assertEqual(c.k, 6)
self.assertEqual(c.m, 2)
self.assertEqual(len(c.chunks), 4)
self.assertEqual(c.chunks[0].raw(), chunks[3])
self.assertEqual(c.chunks[1].raw(), chunks[2])
self.assertEqual(c.chunks[2].raw(), chunks[1])
self.assertEqual(c.chunks[3].raw(), chunks[0])
def _new_content(self, stgpol, data):
old_content = self.content_factory.new(self.container_id, "titi",
len(data), stgpol)
old_content.upload(StringIO.StringIO(data))
return self.content_factory.get(self.container_id,
old_content.content_id)
def _test_change_policy(self, data_size, old_policy, new_policy):
if (old_policy == "RAIN" or new_policy == "RAIN") \
and len(self.conf['rawx']) < 8:
self.skipTest("RAIN: Need more than 8 rawx to run")
data = random_data(data_size)
obj_type = {
"SINGLE": DupContent,
"TWOCOPIES": DupContent,
"THREECOPIES": DupContent,
"RAIN": RainContent
}
old_content = self._new_content(old_policy, data)
self.assertEqual(type(old_content), obj_type[old_policy])
changed_content = self.content_factory.change_policy(
old_content.container_id, old_content.content_id, new_policy)
self.assertRaises(NotFound,
self.container_client.content_show,
self.account,
cid=old_content.container_id,
content=old_content.content_id)
new_content = self.content_factory.get(self.container_id,
changed_content.content_id)
self.assertEqual(type(new_content), obj_type[new_policy])
downloaded_data = "".join(new_content.download())
self.assertEqual(downloaded_data, data)
# TODO add tests with RAIN empty contents when supported
def test_change_content_1_byte_policy_single_to_rain(self):
self._test_change_policy(1, "SINGLE", "RAIN")
def test_change_content_chunksize_bytes_policy_twocopies_to_rain(self):
self._test_change_policy(self.chunk_size, "TWOCOPIES", "RAIN")
def test_change_content_2xchunksize_bytes_policy_threecopies_to_rain(self):
self._test_change_policy(self.chunk_size * 2, "THREECOPIES", "RAIN")
def test_change_content_1_byte_policy_rain_to_threecopies(self):
self._test_change_policy(1, "RAIN", "THREECOPIES")
def test_change_content_chunksize_bytes_policy_rain_to_twocopies(self):
self._test_change_policy(self.chunk_size, "RAIN", "TWOCOPIES")
def test_change_content_2xchunksize_bytes_policy_rain_to_single(self):
self._test_change_policy(self.chunk_size * 2, "RAIN", "SINGLE")
def test_change_content_0_byte_policy_twocopies_to_threecopies(self):
self._test_change_policy(0, "TWOCOPIES", "THREECOPIES")
def test_change_content_chunksize_bytes_policy_single_to_twocopies(self):
self._test_change_policy(self.chunk_size, "SINGLE", "TWOCOPIES")
def test_change_content_2xchunksize_bytes_policy_3copies_to_single(self):
self._test_change_policy(self.chunk_size * 2, "THREECOPIES", "SINGLE")
def test_change_content_with_same_policy(self):
data = random_data(10)
old_content = self._new_content("TWOCOPIES", data)
changed_content = self.content_factory.change_policy(
old_content.container_id, old_content.content_id, "TWOCOPIES")
self.assertEqual(old_content.content_id, changed_content.content_id)
def test_change_policy_unknown_content(self):
self.assertRaises(ContentNotFound, self.content_factory.change_policy,
self.container_id, "1234", "SINGLE")
def test_change_policy_unknown_storage_policy(self):
data = random_data(10)
old_content = self._new_content("TWOCOPIES", data)
self.assertRaises(ClientException, self.content_factory.change_policy,
self.container_id, old_content.content_id, "UnKnOwN")
class TestContentFactory(BaseTestCase):
def setUp(self):
super(TestContentFactory, self).setUp()
self.namespace = self.conf['namespace']
self.chunk_size = self.conf['chunk_size']
self.gridconf = {"namespace": self.namespace}
self.content_factory = ContentFactory(self.gridconf)
self.container_name = "TestContentFactory%f" % time.time()
self.blob_client = BlobClient()
self.container_client = ContainerClient(self.gridconf)
self.container_client.container_create(acct=self.account,
ref=self.container_name)
self.container_id = cid_from_name(self.account,
self.container_name).upper()
def tearDown(self):
super(TestContentFactory, self).tearDown()
def test_extract_datasec(self):
self.content_factory.ns_info = {
"data_security": {
"DUPONETWO": "DUP:distance=1|nb_copy=2",
"RAIN": "RAIN:k=6|m=2|algo=liber8tion"
},
"storage_policy": {
"RAIN": "NONE:RAIN:NONE",
"SINGLE": "NONE:NONE:NONE",
"TWOCOPIES": "NONE:DUPONETWO:NONE"
}
}
ds_type, ds_args = self.content_factory._extract_datasec("RAIN")
self.assertEqual(ds_type, "RAIN")
self.assertEqual(ds_args, {
"k": "6",
"m": "2",
"algo": "liber8tion"
})
ds_type, ds_args = self.content_factory._extract_datasec("SINGLE")
self.assertEqual(ds_type, "DUP")
self.assertEqual(ds_args, {
"nb_copy": "1",
"distance": "0"
})
ds_type, ds_args = self.content_factory._extract_datasec("TWOCOPIES")
self.assertEqual(ds_type, "DUP")
self.assertEqual(ds_args, {
"nb_copy": "2",
"distance": "1"
})
self.assertRaises(InconsistentContent,
self.content_factory._extract_datasec,
"UnKnOwN")
def test_get_rain(self):
meta = {
"chunk-method": "plain/rain?algo=liber8tion&k=6&m=2",
"ctime": "1450176946",
"deleted": "False",
"hash": "E952A419957A6E405BFC53EC65483F73",
"hash-method": "md5",
"id": "3FA2C4A1ED2605005335A276890EC458",
"length": "658",
"mime-type": "application/octet-stream",
"name": "tox.ini",
"policy": "RAIN",
"version": "1450176946676289"
}
chunks = [
{
"url": "http://127.0.0.1:6012/A0A0",
"pos": "0.p0", "size": 512,
"hash": "E7D4E4AD460971CA2E3141F2102308D4"},
{
"url": "http://127.0.0.1:6010/A01",
"pos": "0.1", "size": 146,
"hash": "760AB5DA7C51A3654F1CA622687CD6C3"},
{
"url": "http://127.0.0.1:6011/A00",
"pos": "0.0", "size": 512,
"hash": "B1D08B86B8CAA90A2092CCA0DF9201DB"},
{
"url": "http://127.0.0.1:6013/A0A1",
"pos": "0.p1", "size": 512,
"hash": "DA9D7F72AEEA5791565724424CE45C16"}
]
self.content_factory.container_client.content_show = Mock(
return_value=(meta, chunks))
c = self.content_factory.get("xxx_container_id", "xxx_content_id")
self.assertEqual(type(c), RainContent)
self.assertEqual(c.content_id, "3FA2C4A1ED2605005335A276890EC458")
self.assertEqual(c.length, 658)
self.assertEqual(c.path, "tox.ini")
self.assertEqual(c.version, "1450176946676289")
self.assertEqual(c.algo, "liber8tion")
self.assertEqual(c.k, 6)
self.assertEqual(c.m, 2)
self.assertEqual(len(c.chunks), 4)
self.assertEqual(c.chunks[0].raw(), chunks[2])
self.assertEqual(c.chunks[1].raw(), chunks[1])
self.assertEqual(c.chunks[2].raw(), chunks[0])
self.assertEqual(c.chunks[3].raw(), chunks[3])
def test_get_dup(self):
meta = {
"chunk-method": "plain/bytes",
"ctime": "1450176946",
"deleted": "False",
"hash": "E952A419957A6E405BFC53EC65483F73",
"hash-method": "md5",
"id": "3FA2C4A1ED2605005335A276890EC458",
"length": "658",
"mime-type": "application/octet-stream",
"name": "tox.ini",
"policy": "TWOCOPIES",
"version": "1450176946676289"
}
chunks = [
{
"url": "http://127.0.0.1:6010/A0",
"pos": "0", "size": 658,
"hash": "E952A419957A6E405BFC53EC65483F73"},
{
"url": "http://127.0.0.1:6011/A1",
"pos": "0", "size": 658,
"hash": "E952A419957A6E405BFC53EC65483F73"}
]
self.content_factory.container_client.content_show = Mock(
return_value=(meta, chunks))
c = self.content_factory.get("xxx_container_id", "xxx_content_id")
self.assertEqual(type(c), DupContent)
self.assertEqual(c.content_id, "3FA2C4A1ED2605005335A276890EC458")
self.assertEqual(c.length, 658)
self.assertEqual(c.path, "tox.ini")
self.assertEqual(c.version, "1450176946676289")
self.assertEqual(c.nb_copy, 2)
self.assertEqual(c.distance, 1)
self.assertEqual(len(c.chunks), 2)
self.assertEqual(c.chunks[0].raw(), chunks[0])
self.assertEqual(c.chunks[1].raw(), chunks[1])
def test_get_unknown_content(self):
self.assertRaises(ContentNotFound, self.content_factory.get,
self.container_id, "1234")
def test_new_rain(self):
meta = {
"chunk-method": "plain/rain?algo=liber8tion&k=6&m=2",
"ctime": "1450341162",
"deleted": "False",
"hash": "",
"hash-method": "md5",
"id": "F4B1C8DD132705007DE8B43D0709DAA2",
"length": "1000",
"mime-type": "application/octet-stream",
"name": "titi",
"policy": "RAIN",
"version": "1450341162332663"
}
chunks = [
{
"url": "http://127.0.0.1:6010/0_p1",
"pos": "0.p1", "size": 1048576,
"hash": "00000000000000000000000000000000"},
{
"url": "http://127.0.0.1:6011/0_p0",
"pos": "0.p0", "size": 1048576,
"hash": "00000000000000000000000000000000"},
{
"url": "http://127.0.0.1:6016/0_1",
"pos": "0.1", "size": 1048576,
"hash": "00000000000000000000000000000000"},
{
"url": "http://127.0.0.1:6017/0_0",
"pos": "0.0", "size": 1048576,
"hash": "00000000000000000000000000000000"}
]
self.content_factory.container_client.content_prepare = Mock(
return_value=(meta, chunks))
c = self.content_factory.new("xxx_container_id", "titi",
1000, "RAIN")
self.assertEqual(type(c), RainContent)
self.assertEqual(c.content_id, "F4B1C8DD132705007DE8B43D0709DAA2")
self.assertEqual(c.length, 1000)
self.assertEqual(c.path, "titi")
self.assertEqual(c.version, "1450341162332663")
self.assertEqual(c.algo, "liber8tion")
self.assertEqual(c.k, 6)
self.assertEqual(c.m, 2)
self.assertEqual(len(c.chunks), 4)
self.assertEqual(c.chunks[0].raw(), chunks[3])
self.assertEqual(c.chunks[1].raw(), chunks[2])
self.assertEqual(c.chunks[2].raw(), chunks[1])
self.assertEqual(c.chunks[3].raw(), chunks[0])
def _new_content(self, stgpol, data, path="titi"):
old_content = self.content_factory.new(self.container_id, path,
len(data), stgpol)
old_content.upload(StringIO.StringIO(data))
return self.content_factory.get(self.container_id,
old_content.content_id)
def _test_change_policy(self, data_size, old_policy, new_policy):
if (old_policy == "RAIN" or new_policy == "RAIN") \
and len(self.conf['rawx']) < 8:
self.skipTest("RAIN: Need more than 8 rawx to run")
data = random_data(data_size)
obj_type = {
"SINGLE": DupContent,
"TWOCOPIES": DupContent,
"THREECOPIES": DupContent,
"RAIN": RainContent
}
old_content = self._new_content(old_policy, data)
self.assertEqual(type(old_content), obj_type[old_policy])
changed_content = self.content_factory.change_policy(
old_content.container_id, old_content.content_id, new_policy)
self.assertRaises(NotFound, self.container_client.content_show,
self.account,
cid=old_content.container_id,
content=old_content.content_id)
new_content = self.content_factory.get(self.container_id,
changed_content.content_id)
self.assertEqual(type(new_content), obj_type[new_policy])
downloaded_data = "".join(new_content.download())
self.assertEqual(downloaded_data, data)
def test_change_content_0_byte_policy_single_to_rain(self):
self._test_change_policy(0, "SINGLE", "RAIN")
def test_change_content_0_byte_policy_rain_to_twocopies(self):
self._test_change_policy(0, "RAIN", "TWOCOPIES")
def test_change_content_1_byte_policy_single_to_rain(self):
self._test_change_policy(1, "SINGLE", "RAIN")
def test_change_content_chunksize_bytes_policy_twocopies_to_rain(self):
self._test_change_policy(self.chunk_size, "TWOCOPIES", "RAIN")
def test_change_content_2xchunksize_bytes_policy_threecopies_to_rain(self):
self._test_change_policy(self.chunk_size * 2, "THREECOPIES", "RAIN")
def test_change_content_1_byte_policy_rain_to_threecopies(self):
self._test_change_policy(1, "RAIN", "THREECOPIES")
def test_change_content_chunksize_bytes_policy_rain_to_twocopies(self):
self._test_change_policy(self.chunk_size, "RAIN", "TWOCOPIES")
def test_change_content_2xchunksize_bytes_policy_rain_to_single(self):
self._test_change_policy(self.chunk_size * 2, "RAIN", "SINGLE")
def test_change_content_0_byte_policy_twocopies_to_threecopies(self):
self._test_change_policy(0, "TWOCOPIES", "THREECOPIES")
def test_change_content_chunksize_bytes_policy_single_to_twocopies(self):
self._test_change_policy(self.chunk_size, "SINGLE", "TWOCOPIES")
def test_change_content_2xchunksize_bytes_policy_3copies_to_single(self):
self._test_change_policy(self.chunk_size * 2, "THREECOPIES", "SINGLE")
def test_change_content_with_same_policy(self):
data = random_data(10)
old_content = self._new_content("TWOCOPIES", data)
changed_content = self.content_factory.change_policy(
old_content.container_id, old_content.content_id, "TWOCOPIES")
self.assertEqual(old_content.content_id, changed_content.content_id)
def test_change_policy_unknown_content(self):
self.assertRaises(ContentNotFound, self.content_factory.change_policy,
self.container_id, "1234", "SINGLE")
def test_change_policy_unknown_storage_policy(self):
data = random_data(10)
old_content = self._new_content("TWOCOPIES", data)
self.assertRaises(ClientException, self.content_factory.change_policy,
self.container_id, old_content.content_id, "UnKnOwN")
def _test_move_chunk(self, policy):
data = random_data(self.chunk_size)
content = self._new_content(policy, data)
chunk_id = content.chunks.filter(metapos=0)[0].id
chunk_url = content.chunks.filter(metapos=0)[0].url
chunk_meta, chunk_stream = self.blob_client.chunk_get(chunk_url)
chunk_hash = md5_stream(chunk_stream)
new_chunk = content.move_chunk(chunk_id)
content_updated = self.content_factory.get(self.container_id,
content.content_id)
hosts = []
for c in content_updated.chunks.filter(metapos=0):
self.assertThat(hosts, Not(Contains(c.host)))
self.assertNotEquals(c.id, chunk_id)
hosts.append(c.host)
new_chunk_meta, new_chunk_stream = self.blob_client.chunk_get(
new_chunk["url"])
new_chunk_hash = md5_stream(new_chunk_stream)
self.assertEqual(new_chunk_hash, chunk_hash)
del chunk_meta["chunk_id"]
del new_chunk_meta["chunk_id"]
self.assertEqual(new_chunk_meta, chunk_meta)
def test_single_move_chunk(self):
self._test_move_chunk("SINGLE")
def test_twocopies_move_chunk(self):
self._test_move_chunk("TWOCOPIES")
def test_rain_move_chunk(self):
if len(self.conf['rawx']) < 9:
self.skipTest("Need more than 8 rawx")
self._test_move_chunk("RAIN")
def test_move_chunk_not_in_content(self):
data = random_data(self.chunk_size)
content = self._new_content("TWOCOPIES", data)
with ExpectedException(OrphanChunk):
content.move_chunk("1234")
def test_strange_paths(self):
strange_paths = [
"Annual report.txt",
"foo+bar=foobar.txt",
"100%_bug_free.c",
"forward/slash/allowed",
"I\\put\\backslashes\\and$dollar$signs$in$file$names",
"Je suis tombé sur la tête, mais ça va bien.",
"%s%f%u%d%%",
"carriage\rreturn",
"line\nfeed",
"ta\tbu\tla\ttion",
"controlchars",
]
answers = dict()
for cname in strange_paths:
content = self._new_content("SINGLE", "nobody cares", cname)
answers[cname] = content
listing = self.container_client.container_list(self.account,
self.container_name)
obj_set = {k["name"].encode("utf8", "ignore")
for k in listing["objects"]}
try:
# Ensure the saved path is the one we gave the object
for cname in answers:
self.assertEqual(cname, answers[cname].path)
# Ensure all objects appear in listing
for cname in strange_paths:
self.assertIn(cname, obj_set)
finally:
# Cleanup
for cname in answers:
try:
content.delete()
except:
pass
class StorageTiererWorker(object):
def __init__(self, conf, logger):
self.conf = conf
self.logger = logger
self.account = conf[CONF_ACCOUNT]
self.container_client = ContainerClient(self.conf, logger=self.logger)
self.account_client = AccountClient(self.conf, logger=self.logger)
self.content_factory = ContentFactory(self.conf)
self.passes = 0
self.errors = 0
self.last_reported = 0
self.contents_run_time = 0
self.total_contents_processed = 0
self.report_interval = int_value(
conf.get('report_interval'), 3600)
self.max_contents_per_second = int_value(
conf.get('contents_per_second'), 30)
self.container_fetch_limit = int_value(
conf.get('container_fetch_limit'), 100)
self.content_fetch_limit = int_value(
conf.get('content_fetch_limit'), 100)
self.outdated_threshold = int_value(
conf.get(CONF_OUTDATED_THRESHOLD), 9999999999)
self.new_policy = conf.get(CONF_NEW_POLICY)
def _list_containers(self):
container = None
while True:
resp = self.account_client.container_list(
self.account, marker=container,
limit=self.container_fetch_limit)
if len(resp["listing"]) == 0:
break
for res in resp["listing"]:
container = res[0]
yield container
def _list_contents(self):
for container in self._list_containers():
marker = None
while True:
try:
_, listing = self.container_client.content_list(
account=self.account, reference=container,
limit=self.content_fetch_limit, marker=marker)
except NotFound:
self.logger.warn(
"Container %s appears in account but doesn't exist",
container)
break
if len(listing["objects"]) == 0:
break
for obj in listing["objects"]:
marker = obj["name"]
if obj["mtime"] > time.time() - self.outdated_threshold:
continue
if obj["policy"] == self.new_policy:
continue
container_id = cid_from_name(self.account, container)
yield (container_id, obj["content"])
def run(self):
start_time = report_time = time.time()
total_errors = 0
for (container_id, content_id) in self._list_contents():
self.safe_change_policy(container_id, content_id)
self.contents_run_time = ratelimit(
self.contents_run_time,
self.max_contents_per_second
)
self.total_contents_processed += 1
now = time.time()
if now - self.last_reported >= self.report_interval:
self.logger.info(
'%(start_time)s '
'%(passes)d '
'%(errors)d '
'%(c_rate).2f '
'%(total).2f ' % {
'start_time': time.ctime(report_time),
'passes': self.passes,
'errors': self.errors,
'c_rate': self.passes / (now - report_time),
'total': (now - start_time)
}
)
report_time = now
total_errors += self.errors
self.passes = 0
self.errors = 0
self.last_reported = now
elapsed = (time.time() - start_time) or 0.000001
self.logger.info(
'%(elapsed).02f '
'%(errors)d '
'%(content_rate).2f ' % {
'elapsed': elapsed,
'errors': total_errors + self.errors,
'content_rate': self.total_contents_processed / elapsed
}
)
def safe_change_policy(self, container_id, content_id):
try:
self.change_policy(container_id, content_id)
except Exception:
self.errors += 1
self.logger.exception("ERROR while changing policy for content "
"%s/%s", container_id, content_id)
self.passes += 1
def change_policy(self, container_id, content_id):
self.logger.info("Changing policy for content %s/%s",
container_id, content_id)
self.content_factory.change_policy(
container_id, content_id, self.new_policy)
class TestContentFactory(BaseTestCase):
def setUp(self):
super(TestContentFactory, self).setUp()
self.namespace = self.conf['namespace']
self.chunk_size = self.conf['chunk_size']
self.gridconf = {"namespace": self.namespace}
self.content_factory = ContentFactory(self.gridconf)
self.container_name = "TestContentFactory%f" % time.time()
self.blob_client = BlobClient()
self.container_client = ContainerClient(self.gridconf)
self.container_client.container_create(account=self.account,
reference=self.container_name)
self.container_id = cid_from_name(self.account,
self.container_name).upper()
self.stgpol = "SINGLE"
self.stgpol_twocopies = "TWOCOPIES"
self.stgpol_threecopies = "THREECOPIES"
self.stgpol_ec = "EC"
def tearDown(self):
super(TestContentFactory, self).tearDown()
def test_get_ec(self):
meta = {
"chunk_method": "ec/algo=liberasurecode_rs_vand,k=6,m=2",
"ctime": "1450176946",
"deleted": "False",
"hash": "E952A419957A6E405BFC53EC65483F73",
"hash_method": "md5",
"id": "3FA2C4A1ED2605005335A276890EC458",
"length": "658",
"mime_type": "application/octet-stream",
"name": "tox.ini",
"policy": self.stgpol_ec,
"version": "1450176946676289"
}
chunks = [{
"url": "http://127.0.0.1:6012/A0A0",
"pos": "0.0",
"size": 512,
"hash": "E7D4E4AD460971CA2E3141F2102308D4"
}, {
"url": "http://127.0.0.1:6010/A01",
"pos": "0.1",
"size": 146,
"hash": "760AB5DA7C51A3654F1CA622687CD6C3"
}, {
"url": "http://127.0.0.1:6011/A00",
"pos": "0.2",
"size": 512,
"hash": "B1D08B86B8CAA90A2092CCA0DF9201DB"
}, {
"url": "http://127.0.0.1:6013/A0A1",
"pos": "0.3",
"size": 512,
"hash": "DA9D7F72AEEA5791565724424CE45C16"
}]
self.content_factory.container_client.content_locate = Mock(
return_value=(meta, chunks))
c = self.content_factory.get("xxx_container_id", "xxx_content_id")
self.assertEqual(type(c), ECContent)
self.assertEqual(c.content_id, "3FA2C4A1ED2605005335A276890EC458")
self.assertEqual(c.length, 658)
self.assertEqual(c.path, "tox.ini")
self.assertEqual(c.version, "1450176946676289")
# TODO test storage method
self.assertEqual(len(c.chunks), 4)
self.assertEqual(c.chunks[0].raw(), chunks[0])
self.assertEqual(c.chunks[1].raw(), chunks[1])
self.assertEqual(c.chunks[2].raw(), chunks[2])
self.assertEqual(c.chunks[3].raw(), chunks[3])
def test_get_plain(self):
meta = {
"chunk_method": "plain/nb_copy=2",
"ctime": "1450176946",
"deleted": "False",
"hash": "E952A419957A6E405BFC53EC65483F73",
"hash_method": "md5",
"id": "3FA2C4A1ED2605005335A276890EC458",
"length": "658",
"mime_type": "application/octet-stream",
"name": "tox.ini",
"policy": self.stgpol_twocopies,
"version": "1450176946676289"
}
chunks = [{
"url": "http://127.0.0.1:6010/A0",
"pos": "0",
"size": 658,
"hash": "E952A419957A6E405BFC53EC65483F73"
}, {
"url": "http://127.0.0.1:6011/A1",
"pos": "0",
"size": 658,
"hash": "E952A419957A6E405BFC53EC65483F73"
}]
self.content_factory.container_client.content_locate = Mock(
return_value=(meta, chunks))
c = self.content_factory.get("xxx_container_id", "xxx_content_id")
self.assertEqual(type(c), PlainContent)
self.assertEqual(c.content_id, "3FA2C4A1ED2605005335A276890EC458")
self.assertEqual(c.length, 658)
self.assertEqual(c.path, "tox.ini")
self.assertEqual(c.version, "1450176946676289")
# TODO test storage_method
self.assertEqual(len(c.chunks), 2)
self.assertEqual(c.chunks[0].raw(), chunks[0])
self.assertEqual(c.chunks[1].raw(), chunks[1])
def test_get_unknown_content(self):
self.assertRaises(ContentNotFound, self.content_factory.get,
self.container_id, "1234")
def test_new_ec(self):
meta = {
"chunk_method": "ec/algo=liberasurecode_rs_vand,k=6,m=2",
"ctime": "1450341162",
"deleted": "False",
"hash": "",
"hash_method": "md5",
"id": "F4B1C8DD132705007DE8B43D0709DAA2",
"length": "1000",
"mime_type": "application/octet-stream",
"name": "titi",
"policy": self.stgpol_ec,
"version": "1450341162332663"
}
chunks = [{
"url": "http://127.0.0.1:6010/0_p1",
"pos": "0.3",
"size": 1048576,
"hash": "00000000000000000000000000000000"
}, {
"url": "http://127.0.0.1:6011/0_p0",
"pos": "0.2",
"size": 1048576,
"hash": "00000000000000000000000000000000"
}, {
"url": "http://127.0.0.1:6016/0_1",
"pos": "0.1",
"size": 1048576,
"hash": "00000000000000000000000000000000"
}, {
"url": "http://127.0.0.1:6017/0_0",
"pos": "0.0",
"size": 1048576,
"hash": "00000000000000000000000000000000"
}]
self.content_factory.container_client.content_prepare = Mock(
return_value=(meta, chunks))
c = self.content_factory.new("xxx_container_id", "titi", 1000,
self.stgpol_ec)
self.assertEqual(type(c), ECContent)
self.assertEqual(c.content_id, "F4B1C8DD132705007DE8B43D0709DAA2")
self.assertEqual(c.length, 1000)
self.assertEqual(c.path, "titi")
self.assertEqual(c.version, "1450341162332663")
# TODO test storage_method
self.assertEqual(len(c.chunks), 4)
self.assertEqual(c.chunks[0].raw(), chunks[3])
self.assertEqual(c.chunks[1].raw(), chunks[2])
self.assertEqual(c.chunks[2].raw(), chunks[1])
self.assertEqual(c.chunks[3].raw(), chunks[0])
def _new_content(self, stgpol, data, path="titi"):
old_content = self.content_factory.new(self.container_id, path,
len(data), stgpol)
old_content.create(BytesIO(data))
return self.content_factory.get(self.container_id,
old_content.content_id)
def _test_change_policy(self, data_size, old_policy, new_policy):
data = random_data(data_size)
obj_type = {
self.stgpol: PlainContent,
self.stgpol_twocopies: PlainContent,
self.stgpol_threecopies: PlainContent,
self.stgpol_ec: ECContent
}
old_content = self._new_content(old_policy, data)
self.assertEqual(type(old_content), obj_type[old_policy])
changed_content = self.content_factory.change_policy(
old_content.container_id, old_content.content_id, new_policy)
self.assertRaises(NotFound,
self.container_client.content_show,
self.account,
cid=old_content.container_id,
content=old_content.content_id)
new_content = self.content_factory.get(self.container_id,
changed_content.content_id)
self.assertEqual(type(new_content), obj_type[new_policy])
downloaded_data = "".join(new_content.fetch())
self.assertEqual(downloaded_data, data)
@ec
def test_change_content_0_byte_policy_single_to_ec(self):
self._test_change_policy(0, self.stgpol, self.stgpol_ec)
@ec
def test_change_content_0_byte_policy_ec_to_twocopies(self):
self._test_change_policy(0, self.stgpol_ec, self.stgpol_twocopies)
@ec
def test_change_content_1_byte_policy_single_to_ec(self):
self._test_change_policy(1, self.stgpol, self.stgpol_ec)
@ec
def test_change_content_chunksize_bytes_policy_twocopies_to_ec(self):
self._test_change_policy(self.chunk_size, self.stgpol_twocopies,
self.stgpol_ec)
@ec
def test_change_content_2xchunksize_bytes_policy_threecopies_to_ec(self):
self._test_change_policy(self.chunk_size * 2, self.stgpol_threecopies,
self.stgpol_ec)
@ec
def test_change_content_1_byte_policy_ec_to_threecopies(self):
self._test_change_policy(1, self.stgpol_ec, self.stgpol_threecopies)
@ec
def test_change_content_chunksize_bytes_policy_ec_to_twocopies(self):
self._test_change_policy(self.chunk_size, self.stgpol_ec,
self.stgpol_twocopies)
@ec
def test_change_content_2xchunksize_bytes_policy_ec_to_single(self):
self._test_change_policy(self.chunk_size * 2, self.stgpol_ec,
self.stgpol)
def test_change_content_0_byte_policy_twocopies_to_threecopies(self):
self._test_change_policy(0, self.stgpol_twocopies,
self.stgpol_threecopies)
def test_change_content_chunksize_bytes_policy_single_to_twocopies(self):
self._test_change_policy(self.chunk_size, self.stgpol,
self.stgpol_twocopies)
def test_change_content_2xchunksize_bytes_policy_3copies_to_single(self):
self._test_change_policy(self.chunk_size * 2, self.stgpol_threecopies,
self.stgpol)
def test_change_content_with_same_policy(self):
data = random_data(10)
old_content = self._new_content(self.stgpol_twocopies, data)
changed_content = self.content_factory.change_policy(
old_content.container_id, old_content.content_id,
self.stgpol_twocopies)
self.assertEqual(old_content.content_id, changed_content.content_id)
def test_change_policy_unknown_content(self):
self.assertRaises(ContentNotFound, self.content_factory.change_policy,
self.container_id, "1234", self.stgpol)
def test_change_policy_unknown_storage_policy(self):
data = random_data(10)
old_content = self._new_content(self.stgpol_twocopies, data)
self.assertRaises(ClientException, self.content_factory.change_policy,
self.container_id, old_content.content_id, "UnKnOwN")
def _test_move_chunk(self, policy):
data = random_data(self.chunk_size)
content = self._new_content(policy, data)
chunk_id = content.chunks.filter(metapos=0)[0].id
chunk_url = content.chunks.filter(metapos=0)[0].url
chunk_meta, chunk_stream = self.blob_client.chunk_get(chunk_url)
chunk_hash = md5_stream(chunk_stream)
new_chunk = content.move_chunk(chunk_id)
content_updated = self.content_factory.get(self.container_id,
content.content_id)
hosts = []
for c in content_updated.chunks.filter(metapos=0):
self.assertThat(hosts, Not(Contains(c.host)))
self.assertNotEquals(c.id, chunk_id)
hosts.append(c.host)
new_chunk_meta, new_chunk_stream = self.blob_client.chunk_get(
new_chunk["url"])
new_chunk_hash = md5_stream(new_chunk_stream)
self.assertEqual(new_chunk_hash, chunk_hash)
del chunk_meta["chunk_id"]
del new_chunk_meta["chunk_id"]
self.assertEqual(new_chunk_meta, chunk_meta)
def test_single_move_chunk(self):
self._test_move_chunk(self.stgpol)
def test_twocopies_move_chunk(self):
self._test_move_chunk(self.stgpol_twocopies)
@ec
def test_ec_move_chunk(self):
self._test_move_chunk(self.stgpol_ec)
def test_move_chunk_not_in_content(self):
data = random_data(self.chunk_size)
content = self._new_content(self.stgpol_twocopies, data)
with ExpectedException(OrphanChunk):
content.move_chunk("1234")
def test_strange_paths(self):
strange_paths = [
"Annual report.txt",
"foo+bar=foobar.txt",
"100%_bug_free.c",
"forward/slash/allowed",
"I\\put\\backslashes\\and$dollar$signs$in$file$names",
"Je suis tombé sur la tête, mais ça va bien.",
"%s%f%u%d%%",
"carriage\rreturn",
"line\nfeed",
"ta\tbu\tla\ttion",
"controlchars",
]
answers = dict()
for cname in strange_paths:
content = self._new_content(self.stgpol, "nobody cares", cname)
answers[cname] = content
_, listing = self.container_client.content_list(
self.account, self.container_name)
obj_set = {
k["name"].encode("utf8", "ignore")
for k in listing["objects"]
}
try:
# Ensure the saved path is the one we gave the object
for cname in answers:
self.assertEqual(cname, answers[cname].path)
# Ensure all objects appear in listing
for cname in strange_paths:
self.assertIn(cname, obj_set)
finally:
# Cleanup
for cname in answers:
try:
content.delete()
except:
pass
class TestContentFactory(BaseTestCase):
def setUp(self):
super(TestContentFactory, self).setUp()
self.namespace = self.conf['namespace']
self.chunk_size = self.conf['chunk_size']
self.gridconf = {"namespace": self.namespace}
self.content_factory = ContentFactory(self.gridconf)
self.container_name = "TestContentFactory%f" % time.time()
self.blob_client = BlobClient()
self.container_client = ContainerClient(self.gridconf)
self.container_client.container_create(acct=self.account,
ref=self.container_name)
self.container_id = cid_from_name(self.account,
self.container_name).upper()
def tearDown(self):
super(TestContentFactory, self).tearDown()
def test_extract_datasec(self):
self.content_factory.ns_info = {
"data_security": {
"DUPONETWO": "DUP:distance=1|nb_copy=2",
"RAIN": "RAIN:k=6|m=2|algo=liber8tion"
},
"storage_policy": {
"RAIN": "NONE:RAIN:NONE",
"SINGLE": "NONE:NONE:NONE",
"TWOCOPIES": "NONE:DUPONETWO:NONE"
}
}
ds_type, ds_args = self.content_factory._extract_datasec("RAIN")
self.assertEqual(ds_type, "RAIN")
self.assertEqual(ds_args, {"k": "6", "m": "2", "algo": "liber8tion"})
ds_type, ds_args = self.content_factory._extract_datasec("SINGLE")
self.assertEqual(ds_type, "DUP")
self.assertEqual(ds_args, {"nb_copy": "1", "distance": "0"})
ds_type, ds_args = self.content_factory._extract_datasec("TWOCOPIES")
self.assertEqual(ds_type, "DUP")
self.assertEqual(ds_args, {"nb_copy": "2", "distance": "1"})
self.assertRaises(InconsistentContent,
self.content_factory._extract_datasec, "UnKnOwN")
def test_get_rain(self):
meta = {
"chunk-method": "plain/rain?algo=liber8tion&k=6&m=2",
"ctime": "1450176946",
"deleted": "False",
"hash": "E952A419957A6E405BFC53EC65483F73",
"hash-method": "md5",
"id": "3FA2C4A1ED2605005335A276890EC458",
"length": "658",
"mime-type": "application/octet-stream",
"name": "tox.ini",
"policy": "RAIN",
"version": "1450176946676289"
}
chunks = [{
"url": "http://127.0.0.1:6012/A0A0",
"pos": "0.p0",
"size": 512,
"hash": "E7D4E4AD460971CA2E3141F2102308D4"
}, {
"url": "http://127.0.0.1:6010/A01",
"pos": "0.1",
"size": 146,
"hash": "760AB5DA7C51A3654F1CA622687CD6C3"
}, {
"url": "http://127.0.0.1:6011/A00",
"pos": "0.0",
"size": 512,
"hash": "B1D08B86B8CAA90A2092CCA0DF9201DB"
}, {
"url": "http://127.0.0.1:6013/A0A1",
"pos": "0.p1",
"size": 512,
"hash": "DA9D7F72AEEA5791565724424CE45C16"
}]
self.content_factory.container_client.content_show = Mock(
return_value=(meta, chunks))
c = self.content_factory.get("xxx_container_id", "xxx_content_id")
self.assertEqual(type(c), RainContent)
self.assertEqual(c.content_id, "3FA2C4A1ED2605005335A276890EC458")
self.assertEqual(c.length, 658)
self.assertEqual(c.path, "tox.ini")
self.assertEqual(c.version, "1450176946676289")
self.assertEqual(c.algo, "liber8tion")
self.assertEqual(c.k, 6)
self.assertEqual(c.m, 2)
self.assertEqual(len(c.chunks), 4)
self.assertEqual(c.chunks[0].raw(), chunks[2])
self.assertEqual(c.chunks[1].raw(), chunks[1])
self.assertEqual(c.chunks[2].raw(), chunks[0])
self.assertEqual(c.chunks[3].raw(), chunks[3])
def test_get_dup(self):
meta = {
"chunk-method": "plain/bytes",
"ctime": "1450176946",
"deleted": "False",
"hash": "E952A419957A6E405BFC53EC65483F73",
"hash-method": "md5",
"id": "3FA2C4A1ED2605005335A276890EC458",
"length": "658",
"mime-type": "application/octet-stream",
"name": "tox.ini",
"policy": "TWOCOPIES",
"version": "1450176946676289"
}
chunks = [{
"url": "http://127.0.0.1:6010/A0",
"pos": "0",
"size": 658,
"hash": "E952A419957A6E405BFC53EC65483F73"
}, {
"url": "http://127.0.0.1:6011/A1",
"pos": "0",
"size": 658,
"hash": "E952A419957A6E405BFC53EC65483F73"
}]
self.content_factory.container_client.content_show = Mock(
return_value=(meta, chunks))
c = self.content_factory.get("xxx_container_id", "xxx_content_id")
self.assertEqual(type(c), DupContent)
self.assertEqual(c.content_id, "3FA2C4A1ED2605005335A276890EC458")
self.assertEqual(c.length, 658)
self.assertEqual(c.path, "tox.ini")
self.assertEqual(c.version, "1450176946676289")
self.assertEqual(c.nb_copy, 2)
self.assertEqual(c.distance, 1)
self.assertEqual(len(c.chunks), 2)
self.assertEqual(c.chunks[0].raw(), chunks[0])
self.assertEqual(c.chunks[1].raw(), chunks[1])
def test_get_unknown_content(self):
self.assertRaises(ContentNotFound, self.content_factory.get,
self.container_id, "1234")
def test_new_rain(self):
meta = {
"chunk-method": "plain/rain?algo=liber8tion&k=6&m=2",
"ctime": "1450341162",
"deleted": "False",
"hash": "",
"hash-method": "md5",
"id": "F4B1C8DD132705007DE8B43D0709DAA2",
"length": "1000",
"mime-type": "application/octet-stream",
"name": "titi",
"policy": "RAIN",
"version": "1450341162332663"
}
chunks = [{
"url": "http://127.0.0.1:6010/0_p1",
"pos": "0.p1",
"size": 1048576,
"hash": "00000000000000000000000000000000"
}, {
"url": "http://127.0.0.1:6011/0_p0",
"pos": "0.p0",
"size": 1048576,
"hash": "00000000000000000000000000000000"
}, {
"url": "http://127.0.0.1:6016/0_1",
"pos": "0.1",
"size": 1048576,
"hash": "00000000000000000000000000000000"
}, {
"url": "http://127.0.0.1:6017/0_0",
"pos": "0.0",
"size": 1048576,
"hash": "00000000000000000000000000000000"
}]
self.content_factory.container_client.content_prepare = Mock(
return_value=(meta, chunks))
c = self.content_factory.new("xxx_container_id", "titi", 1000, "RAIN")
self.assertEqual(type(c), RainContent)
self.assertEqual(c.content_id, "F4B1C8DD132705007DE8B43D0709DAA2")
self.assertEqual(c.length, 1000)
self.assertEqual(c.path, "titi")
self.assertEqual(c.version, "1450341162332663")
self.assertEqual(c.algo, "liber8tion")
self.assertEqual(c.k, 6)
self.assertEqual(c.m, 2)
self.assertEqual(len(c.chunks), 4)
self.assertEqual(c.chunks[0].raw(), chunks[3])
self.assertEqual(c.chunks[1].raw(), chunks[2])
self.assertEqual(c.chunks[2].raw(), chunks[1])
self.assertEqual(c.chunks[3].raw(), chunks[0])
def _new_content(self, stgpol, data, path="titi"):
old_content = self.content_factory.new(self.container_id, path,
len(data), stgpol)
old_content.upload(StringIO.StringIO(data))
return self.content_factory.get(self.container_id,
old_content.content_id)
def _test_change_policy(self, data_size, old_policy, new_policy):
if (old_policy == "RAIN" or new_policy == "RAIN") \
and len(self.conf['rawx']) < 8:
self.skipTest("RAIN: Need more than 8 rawx to run")
data = random_data(data_size)
obj_type = {
"SINGLE": DupContent,
"TWOCOPIES": DupContent,
"THREECOPIES": DupContent,
"RAIN": RainContent
}
old_content = self._new_content(old_policy, data)
self.assertEqual(type(old_content), obj_type[old_policy])
changed_content = self.content_factory.change_policy(
old_content.container_id, old_content.content_id, new_policy)
self.assertRaises(NotFound,
self.container_client.content_show,
self.account,
cid=old_content.container_id,
content=old_content.content_id)
new_content = self.content_factory.get(self.container_id,
changed_content.content_id)
self.assertEqual(type(new_content), obj_type[new_policy])
downloaded_data = "".join(new_content.download())
self.assertEqual(downloaded_data, data)
def test_change_content_0_byte_policy_single_to_rain(self):
self._test_change_policy(0, "SINGLE", "RAIN")
def test_change_content_0_byte_policy_rain_to_twocopies(self):
self._test_change_policy(0, "RAIN", "TWOCOPIES")
def test_change_content_1_byte_policy_single_to_rain(self):
self._test_change_policy(1, "SINGLE", "RAIN")
def test_change_content_chunksize_bytes_policy_twocopies_to_rain(self):
self._test_change_policy(self.chunk_size, "TWOCOPIES", "RAIN")
def test_change_content_2xchunksize_bytes_policy_threecopies_to_rain(self):
self._test_change_policy(self.chunk_size * 2, "THREECOPIES", "RAIN")
def test_change_content_1_byte_policy_rain_to_threecopies(self):
self._test_change_policy(1, "RAIN", "THREECOPIES")
def test_change_content_chunksize_bytes_policy_rain_to_twocopies(self):
self._test_change_policy(self.chunk_size, "RAIN", "TWOCOPIES")
def test_change_content_2xchunksize_bytes_policy_rain_to_single(self):
self._test_change_policy(self.chunk_size * 2, "RAIN", "SINGLE")
def test_change_content_0_byte_policy_twocopies_to_threecopies(self):
self._test_change_policy(0, "TWOCOPIES", "THREECOPIES")
def test_change_content_chunksize_bytes_policy_single_to_twocopies(self):
self._test_change_policy(self.chunk_size, "SINGLE", "TWOCOPIES")
def test_change_content_2xchunksize_bytes_policy_3copies_to_single(self):
self._test_change_policy(self.chunk_size * 2, "THREECOPIES", "SINGLE")
def test_change_content_with_same_policy(self):
data = random_data(10)
old_content = self._new_content("TWOCOPIES", data)
changed_content = self.content_factory.change_policy(
old_content.container_id, old_content.content_id, "TWOCOPIES")
self.assertEqual(old_content.content_id, changed_content.content_id)
def test_change_policy_unknown_content(self):
self.assertRaises(ContentNotFound, self.content_factory.change_policy,
self.container_id, "1234", "SINGLE")
def test_change_policy_unknown_storage_policy(self):
data = random_data(10)
old_content = self._new_content("TWOCOPIES", data)
self.assertRaises(ClientException, self.content_factory.change_policy,
self.container_id, old_content.content_id, "UnKnOwN")
def _test_move_chunk(self, policy):
data = random_data(self.chunk_size)
content = self._new_content(policy, data)
chunk_id = content.chunks.filter(metapos=0)[0].id
chunk_url = content.chunks.filter(metapos=0)[0].url
chunk_meta, chunk_stream = self.blob_client.chunk_get(chunk_url)
chunk_hash = md5_stream(chunk_stream)
new_chunk = content.move_chunk(chunk_id)
content_updated = self.content_factory.get(self.container_id,
content.content_id)
hosts = []
for c in content_updated.chunks.filter(metapos=0):
self.assertThat(hosts, Not(Contains(c.host)))
self.assertNotEquals(c.id, chunk_id)
hosts.append(c.host)
new_chunk_meta, new_chunk_stream = self.blob_client.chunk_get(
new_chunk["url"])
new_chunk_hash = md5_stream(new_chunk_stream)
self.assertEqual(new_chunk_hash, chunk_hash)
del chunk_meta["chunk_id"]
del new_chunk_meta["chunk_id"]
self.assertEqual(new_chunk_meta, chunk_meta)
def test_single_move_chunk(self):
self._test_move_chunk("SINGLE")
def test_twocopies_move_chunk(self):
self._test_move_chunk("TWOCOPIES")
def test_rain_move_chunk(self):
if len(self.conf['rawx']) < 9:
self.skipTest("Need more than 8 rawx")
self._test_move_chunk("RAIN")
def test_move_chunk_not_in_content(self):
data = random_data(self.chunk_size)
content = self._new_content("TWOCOPIES", data)
with ExpectedException(OrphanChunk):
content.move_chunk("1234")
def test_strange_paths(self):
for cname in (
"Annual report.txt",
"foo+bar=foobar.txt",
"100%_bug_free.c",
"forward/slash/allowed",
"I\\put\\backslashes\\and$dollar$signs$in$file$names",
"Je suis tombé sur la tête, mais ça va bien.",
"%s%f%u%d%%",
"carriage\rreturn",
"line\nfeed",
"ta\tbu\tla\ttion",
"controlchars",
):
content = self._new_content("SINGLE", "nobody cares", cname)
try:
self.assertEqual(cname, content.path)
finally:
pass # TODO: delete the content
class TestContentFactory(BaseTestCase):
def setUp(self):
super(TestContentFactory, self).setUp()
self.namespace = self.conf['namespace']
self.chunk_size = self.conf['chunk_size']
self.gridconf = {"namespace": self.namespace}
self.content_factory = ContentFactory(self.gridconf)
self.container_name = "TestContentFactory%f" % time.time()
self.container_client = ContainerClient(self.gridconf)
self.container_client.container_create(acct=self.account,
ref=self.container_name)
self.container_id = cid_from_name(self.account,
self.container_name).upper()
def tearDown(self):
super(TestContentFactory, self).tearDown()
def test_extract_datasec(self):
self.content_factory.ns_info = {
"data_security": {
"DUPONETWO": "DUP:distance=1|nb_copy=2",
"RAIN": "RAIN:k=6|m=2|algo=liber8tion"
},
"storage_policy": {
"RAIN": "NONE:RAIN:NONE",
"SINGLE": "NONE:NONE:NONE",
"TWOCOPIES": "NONE:DUPONETWO:NONE"
}
}
ds_type, ds_args = self.content_factory._extract_datasec("RAIN")
self.assertEqual(ds_type, "RAIN")
self.assertEqual(ds_args, {
"k": "6",
"m": "2",
"algo": "liber8tion"
})
ds_type, ds_args = self.content_factory._extract_datasec("SINGLE")
self.assertEqual(ds_type, "DUP")
self.assertEqual(ds_args, {
"nb_copy": "1",
"distance": "0"
})
ds_type, ds_args = self.content_factory._extract_datasec("TWOCOPIES")
self.assertEqual(ds_type, "DUP")
self.assertEqual(ds_args, {
"nb_copy": "2",
"distance": "1"
})
self.assertRaises(InconsistentContent,
self.content_factory._extract_datasec,
"UnKnOwN")
def test_get_rain(self):
meta = {
"chunk-method": "plain/rain?algo=liber8tion&k=6&m=2",
"ctime": "1450176946",
"deleted": "False",
"hash": "E952A419957A6E405BFC53EC65483F73",
"hash-method": "md5",
"id": "3FA2C4A1ED2605005335A276890EC458",
"length": "658",
"mime-type": "application/octet-stream",
"name": "tox.ini",
"policy": "RAIN",
"version": "1450176946676289"
}
chunks = [
{
"url": "http://127.0.0.1:6012/A0A0",
"pos": "0.p0", "size": 512,
"hash": "E7D4E4AD460971CA2E3141F2102308D4"},
{
"url": "http://127.0.0.1:6010/A01",
"pos": "0.1", "size": 146,
"hash": "760AB5DA7C51A3654F1CA622687CD6C3"},
{
"url": "http://127.0.0.1:6011/A00",
"pos": "0.0", "size": 512,
"hash": "B1D08B86B8CAA90A2092CCA0DF9201DB"},
{
"url": "http://127.0.0.1:6013/A0A1",
"pos": "0.p1", "size": 512,
"hash": "DA9D7F72AEEA5791565724424CE45C16"}
]
self.content_factory.container_client.content_show = Mock(
return_value=(meta, chunks))
c = self.content_factory.get("xxx_container_id", "xxx_content_id")
self.assertEqual(type(c), RainContent)
self.assertEqual(c.content_id, "3FA2C4A1ED2605005335A276890EC458")
self.assertEqual(c.length, 658)
self.assertEqual(c.path, "tox.ini")
self.assertEqual(c.version, "1450176946676289")
self.assertEqual(c.algo, "liber8tion")
self.assertEqual(c.k, 6)
self.assertEqual(c.m, 2)
self.assertEqual(len(c.chunks), 4)
self.assertEqual(c.chunks[0].raw(), chunks[2])
self.assertEqual(c.chunks[1].raw(), chunks[1])
self.assertEqual(c.chunks[2].raw(), chunks[0])
self.assertEqual(c.chunks[3].raw(), chunks[3])
def test_get_dup(self):
meta = {
"chunk-method": "plain/bytes",
"ctime": "1450176946",
"deleted": "False",
"hash": "E952A419957A6E405BFC53EC65483F73",
"hash-method": "md5",
"id": "3FA2C4A1ED2605005335A276890EC458",
"length": "658",
"mime-type": "application/octet-stream",
"name": "tox.ini",
"policy": "TWOCOPIES",
"version": "1450176946676289"
}
chunks = [
{
"url": "http://127.0.0.1:6010/A0",
"pos": "0", "size": 658,
"hash": "E952A419957A6E405BFC53EC65483F73"},
{
"url": "http://127.0.0.1:6011/A1",
"pos": "0", "size": 658,
"hash": "E952A419957A6E405BFC53EC65483F73"}
]
self.content_factory.container_client.content_show = Mock(
return_value=(meta, chunks))
c = self.content_factory.get("xxx_container_id", "xxx_content_id")
self.assertEqual(type(c), DupContent)
self.assertEqual(c.content_id, "3FA2C4A1ED2605005335A276890EC458")
self.assertEqual(c.length, 658)
self.assertEqual(c.path, "tox.ini")
self.assertEqual(c.version, "1450176946676289")
self.assertEqual(c.nb_copy, 2)
self.assertEqual(c.distance, 1)
self.assertEqual(len(c.chunks), 2)
self.assertEqual(c.chunks[0].raw(), chunks[0])
self.assertEqual(c.chunks[1].raw(), chunks[1])
def test_new_rain(self):
meta = {
"chunk-method": "plain/rain?algo=liber8tion&k=6&m=2",
"ctime": "1450341162",
"deleted": "False",
"hash": "",
"hash-method": "md5",
"id": "F4B1C8DD132705007DE8B43D0709DAA2",
"length": "1000",
"mime-type": "application/octet-stream",
"name": "titi",
"policy": "RAIN",
"version": "1450341162332663"
}
chunks = [
{
"url": "http://127.0.0.1:6010/0_p1",
"pos": "0.p1", "size": 1048576,
"hash": "00000000000000000000000000000000"},
{
"url": "http://127.0.0.1:6011/0_p0",
"pos": "0.p0", "size": 1048576,
"hash": "00000000000000000000000000000000"},
{
"url": "http://127.0.0.1:6016/0_1",
"pos": "0.1", "size": 1048576,
"hash": "00000000000000000000000000000000"},
{
"url": "http://127.0.0.1:6017/0_0",
"pos": "0.0", "size": 1048576,
"hash": "00000000000000000000000000000000"}
]
self.content_factory.container_client.content_prepare = Mock(
return_value=(meta, chunks))
c = self.content_factory.new("xxx_container_id", "titi",
1000, "RAIN")
self.assertEqual(type(c), RainContent)
self.assertEqual(c.content_id, "F4B1C8DD132705007DE8B43D0709DAA2")
self.assertEqual(c.length, 1000)
self.assertEqual(c.path, "titi")
self.assertEqual(c.version, "1450341162332663")
self.assertEqual(c.algo, "liber8tion")
self.assertEqual(c.k, 6)
self.assertEqual(c.m, 2)
self.assertEqual(len(c.chunks), 4)
self.assertEqual(c.chunks[0].raw(), chunks[3])
self.assertEqual(c.chunks[1].raw(), chunks[2])
self.assertEqual(c.chunks[2].raw(), chunks[1])
self.assertEqual(c.chunks[3].raw(), chunks[0])
def _new_content(self, stgpol, data):
old_content = self.content_factory.new(self.container_id, "titi",
len(data), stgpol)
old_content.upload(StringIO.StringIO(data))
return self.content_factory.get(self.container_id,
old_content.content_id)
def _test_change_policy(self, data_size, old_policy, new_policy):
if (old_policy == "RAIN" or new_policy == "RAIN") \
and len(self.conf['rawx']) < 8:
self.skipTest("RAIN: Need more than 8 rawx to run")
data = random_data(data_size)
obj_type = {
"SINGLE": DupContent,
"TWOCOPIES": DupContent,
"THREECOPIES": DupContent,
"RAIN": RainContent
}
old_content = self._new_content(old_policy, data)
self.assertEqual(type(old_content), obj_type[old_policy])
changed_content = self.content_factory.change_policy(
old_content.container_id, old_content.content_id, new_policy)
self.assertRaises(NotFound, self.container_client.content_show,
self.account,
cid=old_content.container_id,
content=old_content.content_id)
new_content = self.content_factory.get(self.container_id,
changed_content.content_id)
self.assertEqual(type(new_content), obj_type[new_policy])
downloaded_data = "".join(new_content.download())
self.assertEqual(downloaded_data, data)
def test_change_content_0_byte_policy_single_to_rain(self):
self._test_change_policy(0, "SINGLE", "RAIN")
def test_change_content_0_byte_policy_rain_to_twocopies(self):
self._test_change_policy(0, "RAIN", "TWOCOPIES")
def test_change_content_1_byte_policy_single_to_rain(self):
self._test_change_policy(1, "SINGLE", "RAIN")
def test_change_content_chunksize_bytes_policy_twocopies_to_rain(self):
self._test_change_policy(self.chunk_size, "TWOCOPIES", "RAIN")
def test_change_content_2xchunksize_bytes_policy_threecopies_to_rain(self):
self._test_change_policy(self.chunk_size * 2, "THREECOPIES", "RAIN")
def test_change_content_1_byte_policy_rain_to_threecopies(self):
self._test_change_policy(1, "RAIN", "THREECOPIES")
def test_change_content_chunksize_bytes_policy_rain_to_twocopies(self):
self._test_change_policy(self.chunk_size, "RAIN", "TWOCOPIES")
def test_change_content_2xchunksize_bytes_policy_rain_to_single(self):
self._test_change_policy(self.chunk_size * 2, "RAIN", "SINGLE")
def test_change_content_0_byte_policy_twocopies_to_threecopies(self):
self._test_change_policy(0, "TWOCOPIES", "THREECOPIES")
def test_change_content_chunksize_bytes_policy_single_to_twocopies(self):
self._test_change_policy(self.chunk_size, "SINGLE", "TWOCOPIES")
def test_change_content_2xchunksize_bytes_policy_3copies_to_single(self):
self._test_change_policy(self.chunk_size * 2, "THREECOPIES", "SINGLE")
def test_change_content_with_same_policy(self):
data = random_data(10)
old_content = self._new_content("TWOCOPIES", data)
changed_content = self.content_factory.change_policy(
old_content.container_id, old_content.content_id, "TWOCOPIES")
self.assertEqual(old_content.content_id, changed_content.content_id)
def test_change_policy_unknown_content(self):
self.assertRaises(ContentNotFound, self.content_factory.change_policy,
self.container_id, "1234", "SINGLE")
def test_change_policy_unknown_storage_policy(self):
data = random_data(10)
old_content = self._new_content("TWOCOPIES", data)
self.assertRaises(ClientException, self.content_factory.change_policy,
self.container_id, old_content.content_id, "UnKnOwN")
class StorageTiererWorker(object):
def __init__(self, conf, logger):
self.conf = conf
self.logger = logger
self.account = conf[CONF_ACCOUNT]
self.container_client = ContainerClient(self.conf)
self.account_client = AccountClient(self.conf)
self.content_factory = ContentFactory(self.conf)
self.passes = 0
self.errors = 0
self.last_reported = 0
self.contents_run_time = 0
self.total_contents_processed = 0
self.report_interval = int_value(
conf.get('report_interval'), 3600)
self.max_contents_per_second = int_value(
conf.get('contents_per_second'), 30)
self.container_fetch_limit = int_value(
conf.get('container_fetch_limit'), 100)
self.content_fetch_limit = int_value(
conf.get('content_fetch_limit'), 100)
self.outdated_threshold = int_value(
conf.get(CONF_OUTDATED_THRESHOLD), 9999999999)
self.new_policy = conf.get(CONF_NEW_POLICY)
def _list_containers(self):
container = None
while True:
resp = self.account_client.containers_list(
self.account, marker=container,
limit=self.container_fetch_limit)
if len(resp["listing"]) == 0:
break
for container, _, _, _ in resp["listing"]:
yield container
def _list_contents(self):
for container in self._list_containers():
marker = None
while True:
try:
resp = self.container_client.container_list(
acct=self.account, ref=container,
limit=self.content_fetch_limit, marker=marker)
except NotFound:
self.logger.warn("Container %s in account "
"but not found" % container)
break
if len(resp["objects"]) == 0:
break
for obj in resp["objects"]:
marker = obj["name"]
if obj["mtime"] > time.time() - self.outdated_threshold:
continue
if obj["policy"] == self.new_policy:
continue
container_id = cid_from_name(self.account, container)
yield (container_id, obj["content"])
def run(self):
start_time = report_time = time.time()
total_errors = 0
for (container_id, content_id) in self._list_contents():
self.safe_change_policy(container_id, content_id)
self.contents_run_time = ratelimit(
self.contents_run_time,
self.max_contents_per_second
)
self.total_contents_processed += 1
now = time.time()
if now - self.last_reported >= self.report_interval:
self.logger.info(
'%(start_time)s '
'%(passes)d '
'%(errors)d '
'%(c_rate).2f '
'%(total).2f ' % {
'start_time': time.ctime(report_time),
'passes': self.passes,
'errors': self.errors,
'c_rate': self.passes / (now - report_time),
'total': (now - start_time)
}
)
report_time = now
total_errors += self.errors
self.passes = 0
self.errors = 0
self.last_reported = now
elapsed = (time.time() - start_time) or 0.000001
self.logger.info(
'%(elapsed).02f '
'%(errors)d '
'%(content_rate).2f ' % {
'elapsed': elapsed,
'errors': total_errors + self.errors,
'content_rate': self.total_contents_processed / elapsed
}
)
def safe_change_policy(self, container_id, content_id):
try:
self.change_policy(container_id, content_id)
except Exception:
self.errors += 1
self.logger.exception("ERROR while changing policy for content "
"%s/%s", (container_id, content_id))
self.passes += 1
def change_policy(self, container_id, content_id):
self.logger.info("Changing policy for content %s/%s"
% (container_id, content_id))
self.content_factory.change_policy(
container_id, content_id, self.new_policy)
