class TestBlobMover(BaseTestCase):
def setUp(self):
super(TestBlobMover, self).setUp()
self.container = random_str(16)
self.cid = cid_from_name(self.account, self.container)
self.path = random_str(16)
self.api = ObjectStorageApi(self.ns)
self.blob_client = BlobClient(self.conf)
self.api.container_create(self.account, self.container)
_, chunks = self.api.container.content_prepare(self.account,
self.container,
self.path,
size=1)
services = self.conscience.all_services('rawx')
if len(chunks) >= len([s for s in services if s['score'] > 0]):
self.skipTest("need at least %d rawx to run" % (len(chunks) + 1))
self.rawx_volumes = dict()
for rawx in services:
tags = rawx['tags']
service_id = tags.get('tag.service_id', None)
if service_id is None:
service_id = rawx['addr']
volume = tags.get('tag.vol', None)
self.rawx_volumes[service_id] = volume
self.api.object_create(self.account,
self.container,
obj_name=self.path,
data="chunk")
meta, self.chunks = self.api.object_locate(self.account,
self.container, self.path)
self.version = meta['version']
self.content_id = meta['id']
self.chunk_method = meta['chunk_method']
def _chunk_path(self, chunk):
url = chunk['url']
volume_id = url.split('/', 3)[2]
chunk_id = url.split('/', 3)[3]
volume = self.rawx_volumes[volume_id]
return volume + '/' + chunk_id[:3] + '/' + chunk_id
def test_move_old_chunk(self):
for chunk in self.chunks:
convert_to_old_chunk(self._chunk_path(chunk), self.account,
self.container, self.path, self.version,
self.content_id)
orig_chunk = random.choice(self.chunks)
chunk_volume = orig_chunk['url'].split('/')[2]
chunk_id = orig_chunk['url'].split('/')[3]
chunk_headers, chunk_stream = self.blob_client.chunk_get(
orig_chunk['url'], check_headers=False)
chunks_kept = list(self.chunks)
chunks_kept.remove(orig_chunk)
mover = BlobMoverWorker(self.conf, None,
self.rawx_volumes[chunk_volume])
mover.chunk_move(self._chunk_path(orig_chunk), chunk_id)
_, new_chunks = self.api.object_locate(self.account, self.container,
self.path)
new_chunk = list(new_chunks)
self.assertEqual(len(new_chunks), len(chunks_kept) + 1)
url_kept = [c['url'] for c in chunks_kept]
new_chunk = None
for chunk in new_chunks:
if chunk['url'] not in url_kept:
self.assertIsNone(new_chunk)
new_chunk = chunk
self.assertNotEqual(orig_chunk['real_url'], new_chunk['real_url'])
self.assertNotEqual(orig_chunk['url'], new_chunk['url'])
self.assertEqual(orig_chunk['pos'], new_chunk['pos'])
self.assertEqual(orig_chunk['size'], new_chunk['size'])
self.assertEqual(orig_chunk['hash'], new_chunk['hash'])
new_chunk_headers, new_chunk_stream = self.blob_client.chunk_get(
new_chunk['url'])
chunk_data = b''.join(chunk_stream)
new_chunk_data = b''.join(new_chunk_stream)
self.assertEqual(chunk_data, new_chunk_data)
fullpath = encode_fullpath(self.account, self.container, self.path,
self.version, self.content_id)
self.assertEqual(fullpath, new_chunk_headers['full_path'])
del new_chunk_headers['full_path']
self.assertNotEqual(chunk_headers['chunk_id'],
new_chunk_headers['chunk_id'])
new_chunk_id = new_chunk['url'].split('/')[3]
self.assertEqual(new_chunk_id, new_chunk_headers['chunk_id'])
del chunk_headers['chunk_id']
del new_chunk_headers['chunk_id']
self.assertEqual(OIO_VERSION, new_chunk_headers['oio_version'])
del chunk_headers['oio_version']
del new_chunk_headers['oio_version']
self.assertEqual(chunk_headers, new_chunk_headers)
def test_move_with_wrong_size(self):
if not self.chunk_method.startswith('ec'):
self.skipTest('Only works with EC')
orig_chunk = random.choice(self.chunks)
chunk_volume = orig_chunk['url'].split('/')[2]
chunk_id = orig_chunk['url'].split('/')[3]
mover = BlobMoverWorker(self.conf, None,
self.rawx_volumes[chunk_volume])
meta, stream = mover.blob_client.chunk_get(orig_chunk['url'])
data = stream.read()
stream.close()
data = data[:-1]
del meta['chunk_hash']
wrong_stream = GeneratorIO(data)
mover.blob_client.chunk_get = Mock(return_value=(meta, wrong_stream))
self.assertRaises(ChunkException, mover.chunk_move,
self._chunk_path(orig_chunk), chunk_id)
class TestDupContent(BaseTestCase):
def setUp(self):
super(TestDupContent, self).setUp()
if len(self.conf['rawx']) < 3:
self.skipTest("Not enough rawx. "
"Dup tests needs more than 2 rawx to run")
self.namespace = self.conf['namespace']
self.account = self.conf['account']
self.chunk_size = self.conf['chunk_size']
self.gridconf = {"namespace": self.namespace}
self.content_factory = ContentFactory(self.gridconf)
self.container_client = ContainerClient(self.gridconf)
self.blob_client = BlobClient()
self.container_name = "TestDupContent%f" % time.time()
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(TestDupContent, self).tearDown()
def _test_upload(self, stgpol, data_size):
data = random_data(data_size)
content = self.content_factory.new(self.container_id, "titi",
len(data), stgpol)
self.assertEqual(type(content), DupContent)
content.upload(StringIO.StringIO(data))
meta, chunks = self.container_client.content_show(
cid=self.container_id, content=content.content_id)
chunks = ChunksHelper(chunks)
self.assertEqual(meta['hash'], md5_data(data))
self.assertEqual(meta['length'], str(len(data)))
self.assertEqual(meta['policy'], stgpol)
self.assertEqual(meta['name'], "titi")
metachunk_nb = int(math.ceil(float(len(data)) / self.chunk_size))
if metachunk_nb == 0:
metachunk_nb = 1 # special case for empty content
if stgpol == "THREECOPIES":
nb_copy = 3
elif stgpol == "TWOCOPIES":
nb_copy = 2
elif stgpol == "SINGLE":
nb_copy = 1
self.assertEqual(len(chunks), metachunk_nb * nb_copy)
for pos in range(metachunk_nb):
chunks_at_pos = chunks.filter(pos=pos)
self.assertEqual(len(chunks_at_pos), nb_copy)
data_begin = pos * self.chunk_size
data_end = pos * self.chunk_size + self.chunk_size
chunk_hash = md5_data(data[data_begin:data_end])
for chunk in chunks_at_pos:
meta, stream = self.blob_client.chunk_get(chunk.url)
self.assertEqual(md5_stream(stream), chunk_hash)
self.assertEqual(meta['content_size'], str(len(data)))
self.assertEqual(meta['content_path'], "titi")
self.assertEqual(meta['content_cid'], self.container_id)
self.assertEqual(meta['content_id'], meta['content_id'])
self.assertEqual(meta['chunk_id'], chunk.id)
self.assertEqual(meta['chunk_pos'], str(pos))
self.assertEqual(meta['chunk_hash'], chunk_hash)
def test_twocopies_upload_0_byte(self):
self._test_upload("TWOCOPIES", 0)
def test_twocopies_upload_1_byte(self):
self._test_upload("TWOCOPIES", 1)
def test_twocopies_upload_chunksize_bytes(self):
self._test_upload("TWOCOPIES", self.chunk_size)
def test_twocopies_upload_chunksize_plus_1_bytes(self):
self._test_upload("TWOCOPIES", self.chunk_size + 1)
def test_single_upload_0_byte(self):
self._test_upload("SINGLE", 0)
def test_single_upload_chunksize_plus_1_bytes(self):
self._test_upload("SINGLE", self.chunk_size + 1)
def test_chunks_cleanup_when_upload_failed(self):
data = random_data(2 * self.chunk_size)
content = self.content_factory.new(self.container_id, "titi",
len(data), "TWOCOPIES")
self.assertEqual(type(content), DupContent)
# set bad url for position 1
for chunk in content.chunks.filter(pos=1):
chunk.url = "http://127.0.0.1:9/DEADBEEF"
self.assertRaises(Exception, content.upload, StringIO.StringIO(data))
for chunk in content.chunks.exclude(pos=1):
self.assertRaises(NotFound,
self.blob_client.chunk_head, chunk.url)
def _new_content(self, stgpol, data, broken_pos_list):
old_content = self.content_factory.new(self.container_id, "titi",
len(data), stgpol)
self.assertEqual(type(old_content), DupContent)
old_content.upload(StringIO.StringIO(data))
for pos, idx in broken_pos_list:
c = old_content.chunks.filter(pos=pos)[idx]
self.blob_client.chunk_delete(c.url)
# get the new structure of the uploaded content
return self.content_factory.get(self.container_id,
old_content.content_id)
def _test_download(self, stgpol, data_size, broken_pos_list):
data = random_data(data_size)
content = self._new_content(stgpol, data, broken_pos_list)
downloaded_data = "".join(content.download())
self.assertEqual(downloaded_data, data)
for pos, idx in broken_pos_list:
# check nothing has been rebuilt
c = content.chunks.filter(pos=pos)[0]
self.assertRaises(NotFound, self.blob_client.chunk_delete, c.url)
def test_twocopies_download_content_0_byte_without_broken_chunks(self):
self._test_download("TWOCOPIES", 0, [])
def test_twocopies_download_content_0_byte_with_broken_0_0(self):
self._test_download("TWOCOPIES", 0, [(0, 0)])
def test_twocopies_download_content_1_byte_without_broken_chunks(self):
self._test_download("TWOCOPIES", 1, [])
def test_twocopies_download_content_1_byte_with_broken_0_0(self):
self._test_download("TWOCOPIES", 1, [(0, 0)])
def test_twocopies_download_chunksize_bytes_without_broken_chunks(self):
self._test_download("TWOCOPIES", self.chunk_size, [])
def test_twocopies_download_2xchuksize_bytes_with_broken_0_0_and_1_0(self):
self._test_download("TWOCOPIES", self.chunk_size * 2, [(0, 0), (1, 0)])
def test_twocopies_download_content_chunksize_bytes_2_broken_chunks(self):
data = random_data(self.chunk_size)
content = self._new_content("TWOCOPIES", data, [(0, 0), (0, 1)])
gen = content.download()
self.assertRaises(UnrecoverableContent, gen.next)
def test_single_download_content_1_byte_without_broken_chunks(self):
self._test_download("SINGLE", 1, [])
def test_single_download_chunksize_bytes_plus_1_without_broken_chunk(self):
self._test_download("SINGLE", self.chunk_size * 2, [])
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 TestContentFactory(BaseTestCase):
def setUp(self):
super(TestContentFactory, self).setUp()
self.wait_for_score(('meta2', ))
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(conf=self.conf)
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",
"oio_version": "4.2",
}
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",
account=self.account,
container_name=self.container_name)
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.full_path,
encode_fullpath(self.account, self.container_name, "tox.ini",
meta['version'], meta['id']))
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",
"oio_version": "4.2",
}
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",
account=self.account,
container_name=self.container_name)
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")
self.assertEqual(
c.full_path,
encode_fullpath(self.account, self.container_name, "tox.ini",
meta['version'], meta['id']))
# 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",
"oio_version": "4.2",
}
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,
account=self.account,
container_name=self.container_name)
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",
account=None,
container_name=None,
mime_type=None,
properties=None):
old_content = self.content_factory.new(self.container_id,
path,
len(data),
stgpol,
account=account,
container_name=container_name)
if properties:
old_content.properties = properties
if mime_type:
old_content.mime_type = mime_type
old_content.create(BytesIO(data))
return self.content_factory.get(self.container_id,
old_content.content_id)
def _test_move_chunk(self, policy):
data = random_data(self.chunk_size)
content = self._new_content(policy, data)
mc = content.chunks.filter(metapos=0)
chunk_id = mc[0].id
chunk_url = mc[0].url
chunk_host = mc[0].host
chunk_meta, chunk_stream = self.blob_client.chunk_get(chunk_url)
chunk_hash = md5_stream(chunk_stream)
new_chunk = content.move_chunk(chunk_id, service_id=chunk_host)
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.assertNotEqual(c.url, chunk_url)
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)
self.assertGreaterEqual(new_chunk_meta['chunk_mtime'],
chunk_meta['chunk_mtime'])
del chunk_meta["chunk_id"]
del new_chunk_meta["chunk_id"]
del chunk_meta["chunk_mtime"]
del new_chunk_meta["chunk_mtime"]
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):
answers = dict()
for cname in strange_paths:
content = self._new_content(self.stgpol, b"nobody cares", cname)
answers[cname] = content
_, listing = self.container_client.content_list(
self.account, self.container_name)
if PY2:
obj_set = {k["name"].encode('utf-8') for k in listing["objects"]}
else:
obj_set = {k["name"] 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)
fullpath = encode_fullpath(self.account, self.container_name,
cname, answers[cname].version,
answers[cname].content_id)
self.assertEqual(answers[cname].full_path, fullpath)
# 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 Exception:
pass
class TestBlobRebuilder(BaseTestCase):
def setUp(self):
super(TestBlobRebuilder, self).setUp()
self.container = random_str(16)
self.cid = cid_from_name(self.account, self.container)
self.path = random_str(16)
self.api = ObjectStorageApi(self.ns)
self.blob_client = BlobClient(self.conf)
self.api.container_create(self.account, self.container)
_, chunks = self.api.container.content_prepare(self.account,
self.container,
self.path,
size=1)
if len(chunks) < 2:
self.skipTest("need at least 2 chunks to run")
services = self.conscience.all_services('rawx')
self.rawx_volumes = dict()
for rawx in services:
tags = rawx['tags']
service_id = tags.get('tag.service_id', None)
if service_id is None:
service_id = rawx['addr']
volume = tags.get('tag.vol', None)
self.rawx_volumes[service_id] = volume
self.api.object_create(self.account,
self.container,
obj_name=self.path,
data="chunk")
meta, self.chunks = self.api.object_locate(self.account,
self.container, self.path)
self.version = meta['version']
self.content_id = meta['id']
def _chunk_path(self, chunk):
url = chunk['url']
volume_id = url.split('/', 3)[2]
chunk_id = url.split('/', 3)[3]
volume = self.rawx_volumes[volume_id]
return volume + '/' + chunk_id[:3] + '/' + chunk_id
def test_rebuild_old_chunk(self):
for c in self.chunks:
convert_to_old_chunk(self._chunk_path(c), self.account,
self.container, self.path, self.version,
self.content_id)
chunk = random.choice(self.chunks)
chunk_volume = chunk['url'].split('/')[2]
chunk_id = chunk['url'].split('/')[3]
chunk_headers, chunk_stream = self.blob_client.chunk_get(
chunk['url'], check_headers=False)
os.remove(self._chunk_path(chunk))
chunks_kept = list(self.chunks)
chunks_kept.remove(chunk)
conf = self.conf.copy()
conf['allow_same_rawx'] = True
rebuilder = BlobRebuilder(conf, service_id=chunk_volume)
rebuilder_worker = rebuilder.create_worker(None, None)
rebuilder_worker._process_item(
(self.ns, self.cid, self.content_id, chunk_id))
_, new_chunks = self.api.object_locate(self.account, self.container,
self.path)
new_chunk = list(new_chunks)
self.assertEqual(len(new_chunks), len(chunks_kept) + 1)
url_kept = [c['url'] for c in chunks_kept]
new_chunk = None
for c in new_chunks:
if c['url'] not in url_kept:
self.assertIsNone(new_chunk)
new_chunk = c
# Cannot check if the URL is different: it may be the same since we
# generate predictible chunk IDs.
# self.assertNotEqual(chunk['real_url'], new_chunk['real_url'])
# self.assertNotEqual(chunk['url'], new_chunk['url'])
self.assertEqual(chunk['pos'], new_chunk['pos'])
self.assertEqual(chunk['size'], new_chunk['size'])
self.assertEqual(chunk['hash'], new_chunk['hash'])
new_chunk_headers, new_chunk_stream = self.blob_client.chunk_get(
new_chunk['url'])
chunk_data = b''.join(chunk_stream)
new_chunk_data = b''.join(new_chunk_stream)
self.assertEqual(chunk_data, new_chunk_data)
fullpath = encode_fullpath(self.account, self.container, self.path,
self.version, self.content_id)
self.assertEqual(fullpath, new_chunk_headers['full_path'])
del new_chunk_headers['full_path']
# Since we generate predictible chunk IDs, they can be equal
# self.assertNotEqual(chunk_headers['chunk_id'],
# new_chunk_headers['chunk_id'])
# We could compare the modification time of the chunks,
# but unfortunately they have a 1s resolution...
# self.assertNotEqual(chunk_headers['chunk_mtime'],
# new_chunk_headers['chunk_mtime'])
new_chunk_id = new_chunk['url'].split('/')[3]
self.assertEqual(new_chunk_id, new_chunk_headers['chunk_id'])
del chunk_headers['chunk_id']
del new_chunk_headers['chunk_id']
self.assertEqual(OIO_VERSION, new_chunk_headers['oio_version'])
del chunk_headers['oio_version']
del new_chunk_headers['oio_version']
del chunk_headers['chunk_mtime']
del new_chunk_headers['chunk_mtime']
self.assertEqual(chunk_headers, new_chunk_headers)
class TestDupContent(BaseTestCase):
def setUp(self):
super(TestDupContent, self).setUp()
if len(self.conf['rawx']) < 3:
self.skipTest("Not enough rawx. "
"Dup tests needs more than 2 rawx to run")
self.namespace = self.conf['namespace']
self.account = self.conf['account']
self.chunk_size = self.conf['chunk_size']
self.gridconf = {"namespace": self.namespace}
self.content_factory = ContentFactory(self.gridconf)
self.container_client = ContainerClient(self.gridconf)
self.blob_client = BlobClient()
self.container_name = "TestDupContent%f" % time.time()
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(TestDupContent, self).tearDown()
def _test_upload(self, stgpol, data_size):
data = random_data(data_size)
content = self.content_factory.new(self.container_id, "titi",
len(data), stgpol)
self.assertEqual(type(content), DupContent)
content.upload(StringIO.StringIO(data))
meta, chunks = self.container_client.content_show(
cid=self.container_id, content=content.content_id)
chunks = ChunksHelper(chunks)
self.assertEqual(meta['hash'], md5_data(data))
self.assertEqual(meta['length'], str(len(data)))
self.assertEqual(meta['policy'], stgpol)
self.assertEqual(meta['name'], "titi")
metachunk_nb = int(math.ceil(float(len(data)) / self.chunk_size))
if metachunk_nb == 0:
metachunk_nb = 1 # special case for empty content
if stgpol == "THREECOPIES":
nb_copy = 3
elif stgpol == "TWOCOPIES":
nb_copy = 2
elif stgpol == "SINGLE":
nb_copy = 1
self.assertEqual(len(chunks), metachunk_nb * nb_copy)
for pos in range(metachunk_nb):
chunks_at_pos = chunks.filter(pos=pos)
self.assertEqual(len(chunks_at_pos), nb_copy)
data_begin = pos * self.chunk_size
data_end = pos * self.chunk_size + self.chunk_size
chunk_hash = md5_data(data[data_begin:data_end])
for chunk in chunks_at_pos:
meta, stream = self.blob_client.chunk_get(chunk.url)
self.assertEqual(md5_stream(stream), chunk_hash)
self.assertEqual(meta['content_size'], str(len(data)))
self.assertEqual(meta['content_path'], "titi")
self.assertEqual(meta['content_cid'], self.container_id)
self.assertEqual(meta['content_id'], meta['content_id'])
self.assertEqual(meta['chunk_id'], chunk.id)
self.assertEqual(meta['chunk_pos'], str(pos))
self.assertEqual(meta['chunk_hash'], chunk_hash)
def test_twocopies_upload_0_byte(self):
self._test_upload("TWOCOPIES", 0)
def test_twocopies_upload_1_byte(self):
self._test_upload("TWOCOPIES", 1)
def test_twocopies_upload_chunksize_bytes(self):
self._test_upload("TWOCOPIES", self.chunk_size)
def test_twocopies_upload_chunksize_plus_1_bytes(self):
self._test_upload("TWOCOPIES", self.chunk_size + 1)
def test_single_upload_0_byte(self):
self._test_upload("SINGLE", 0)
def test_single_upload_chunksize_plus_1_bytes(self):
self._test_upload("SINGLE", self.chunk_size + 1)
def test_chunks_cleanup_when_upload_failed(self):
data = random_data(2 * self.chunk_size)
content = self.content_factory.new(self.container_id, "titi",
len(data), "TWOCOPIES")
self.assertEqual(type(content), DupContent)
# set bad url for position 1
for chunk in content.chunks.filter(pos=1):
chunk.url = "http://127.0.0.1:9/DEADBEEF"
self.assertRaises(Exception, content.upload, StringIO.StringIO(data))
for chunk in content.chunks.exclude(pos=1):
self.assertRaises(NotFound,
self.blob_client.chunk_head, chunk.url)
def _new_content(self, stgpol, data, broken_pos_list=[]):
old_content = self.content_factory.new(self.container_id, "titi",
len(data), stgpol)
self.assertEqual(type(old_content), DupContent)
old_content.upload(StringIO.StringIO(data))
broken_chunks_info = {}
for pos, idx in broken_pos_list:
c = old_content.chunks.filter(pos=pos)[idx]
meta, stream = self.blob_client.chunk_get(c.url)
if pos not in broken_chunks_info:
broken_chunks_info[pos] = {}
broken_chunks_info[pos][idx] = {
"url": c.url,
"id": c.id,
"hash": c.hash,
"dl_meta": meta,
"dl_hash": md5_stream(stream)
}
self.blob_client.chunk_delete(c.url)
# get the new structure of the uploaded content
return (self.content_factory.get(
self.container_id, old_content.content_id), broken_chunks_info)
def _test_rebuild(self, stgpol, data_size, broken_pos_list,
full_rebuild_pos):
data = random_data(data_size)
content, broken_chunks_info = self._new_content(stgpol,
data, broken_pos_list)
rebuild_pos, rebuild_idx = full_rebuild_pos
rebuild_chunk_info = broken_chunks_info[rebuild_pos][rebuild_idx]
content.rebuild_chunk(rebuild_chunk_info["id"])
# get the new structure of the content
rebuilt_content = self.content_factory.get(self.container_id,
content.content_id)
self.assertEqual(type(rebuilt_content), DupContent)
# find the rebuilt chunk
for c in rebuilt_content.chunks.filter(pos=rebuild_pos):
if len(content.chunks.filter(id=c.id)) > 0:
# not the rebuilt chunk
# if this chunk is broken, it must not have been rebuilt
for b_c_i in broken_chunks_info[rebuild_pos].values():
if c.id == b_c_i["id"]:
with ExpectedException(NotFound):
_, _ = self.blob_client.chunk_get(c.url)
continue
meta, stream = self.blob_client.chunk_get(c.url)
self.assertEqual(meta["chunk_id"], c.id)
self.assertEqual(md5_stream(stream),
rebuild_chunk_info["dl_hash"])
self.assertEqual(c.hash, rebuild_chunk_info["hash"])
self.assertThat(c.url, NotEquals(rebuild_chunk_info["url"]))
del meta["chunk_id"]
del rebuild_chunk_info["dl_meta"]["chunk_id"]
self.assertEqual(meta, rebuild_chunk_info["dl_meta"])
def test_2copies_content_0_byte_1broken_rebuild_pos_0_idx_0(self):
self._test_rebuild("TWOCOPIES", 0, [(0, 0)], (0, 0))
def test_2copies_content_1_byte_1broken_rebuild_pos_0_idx_1(self):
self._test_rebuild("TWOCOPIES", 1, [(0, 1)], (0, 1))
def test_3copies_content_chunksize_bytes_2broken_rebuild_pos_0_idx_1(self):
if len(self.conf['rawx']) <= 3:
self.skipTest("Need more than 3 rawx")
self._test_rebuild("THREECOPIES", self.chunk_size,
[(0, 0), (0, 1)], (0, 1))
def test_3copies_content_2xchksize_bytes_2broken_rebuild_pos_1_idx_2(self):
if len(self.conf['rawx']) <= 3:
self.skipTest("Need more than 3 rawx")
self._test_rebuild("THREECOPIES", 2 * self.chunk_size,
[(1, 0), (1, 2)], (1, 2))
def test_2copies_content_0_byte_2broken_rebuild_pos_0_idx_0(self):
with ExpectedException(UnrecoverableContent):
self._test_rebuild("TWOCOPIES", 0, [(0, 0), (0, 1)], (0, 0))
def _test_download(self, stgpol, data_size, broken_pos_list):
data = random_data(data_size)
content, _ = self._new_content(stgpol, data, broken_pos_list)
downloaded_data = "".join(content.download())
self.assertEqual(downloaded_data, data)
for pos, idx in broken_pos_list:
# check nothing has been rebuilt
c = content.chunks.filter(pos=pos)[0]
self.assertRaises(NotFound, self.blob_client.chunk_delete, c.url)
def test_twocopies_download_content_0_byte_without_broken_chunks(self):
self._test_download("TWOCOPIES", 0, [])
def test_twocopies_download_content_0_byte_with_broken_0_0(self):
self._test_download("TWOCOPIES", 0, [(0, 0)])
def test_twocopies_download_content_1_byte_without_broken_chunks(self):
self._test_download("TWOCOPIES", 1, [])
def test_twocopies_download_content_1_byte_with_broken_0_0(self):
self._test_download("TWOCOPIES", 1, [(0, 0)])
def test_twocopies_download_chunksize_bytes_without_broken_chunks(self):
self._test_download("TWOCOPIES", self.chunk_size, [])
def test_twocopies_download_2xchuksize_bytes_with_broken_0_0_and_1_0(self):
self._test_download("TWOCOPIES", self.chunk_size * 2, [(0, 0), (1, 0)])
def test_twocopies_download_content_chunksize_bytes_2_broken_chunks(self):
data = random_data(self.chunk_size)
content, _ = self._new_content("TWOCOPIES", data, [(0, 0), (0, 1)])
gen = content.download()
self.assertRaises(UnrecoverableContent, gen.next)
def test_single_download_content_1_byte_without_broken_chunks(self):
self._test_download("SINGLE", 1, [])
def test_single_download_chunksize_bytes_plus_1_without_broken_chunk(self):
self._test_download("SINGLE", self.chunk_size * 2, [])
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 TestRainContent(BaseTestCase):
def setUp(self):
super(TestRainContent, self).setUp()
if len(self.conf['rawx']) < 12:
self.skipTest("Not enough rawx. "
"Rain tests needs more than 12 rawx to run")
self.namespace = self.conf['namespace']
self.account = self.conf['account']
self.chunk_size = self.conf['chunk_size']
self.gridconf = {"namespace": self.namespace}
self.content_factory = ContentFactory(self.gridconf)
self.container_client = ContainerClient(self.gridconf)
self.blob_client = BlobClient()
self.container_name = "TestRainContent%f" % time.time()
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(TestRainContent, self).tearDown()
def _test_upload(self, data_size):
data = random_data(data_size)
content = self.content_factory.new(self.container_id, "titi",
len(data), "RAIN")
k = 6
m = 2
self.assertEqual(type(content), RainContent)
content.upload(StringIO.StringIO(data))
meta, chunks = self.container_client.content_show(
cid=self.container_id, content=content.content_id)
chunks = ChunksHelper(chunks)
self.assertEqual(meta['hash'], md5_data(data))
self.assertEqual(meta['length'], str(len(data)))
self.assertEqual(meta['policy'], "RAIN")
self.assertEqual(meta['name'], "titi")
metachunk_nb = int(math.ceil(float(len(data)) / self.chunk_size))
if metachunk_nb == 0:
metachunk_nb = 1 # special case for empty content
nb_chunks_min = metachunk_nb * (1 + m)
nb_chunks_max = metachunk_nb * (k + m)
self.assertGreaterEqual(len(chunks), nb_chunks_min)
self.assertLessEqual(len(chunks), nb_chunks_max)
for metapos in range(metachunk_nb):
chunks_at_pos = content.chunks.filter(metapos=metapos)
data_chunks_at_pos = chunks_at_pos.filter(is_parity=False)
parity_chunks_at_pos = chunks_at_pos.filter(is_parity=True)
self.assertEquals(len(data_chunks_at_pos) >= 1, True)
self.assertEquals(len(data_chunks_at_pos) <= k, True)
self.assertEqual(len(parity_chunks_at_pos), m)
for chunk in chunks_at_pos:
meta, stream = self.blob_client.chunk_get(chunk.url)
self.assertEqual(md5_stream(stream), chunk.hash)
self.assertEqual(meta['content_size'], str(len(data)))
self.assertEqual(meta['content_path'], "titi")
self.assertEqual(meta['content_cid'], self.container_id)
self.assertEqual(meta['content_id'], meta['content_id'])
self.assertEqual(meta['chunk_id'], chunk.id)
self.assertEqual(meta['chunk_pos'], chunk.pos)
self.assertEqual(meta['chunk_hash'], chunk.hash)
data_begin = metapos * self.chunk_size
data_end = metapos * self.chunk_size + self.chunk_size
target_metachunk_hash = md5_data(data[data_begin:data_end])
metachunk_hash = hashlib.md5()
for chunk in data_chunks_at_pos:
meta, stream = self.blob_client.chunk_get(chunk.url)
for d in stream:
metachunk_hash.update(d)
self.assertEqual(metachunk_hash.hexdigest().upper(),
target_metachunk_hash)
def test_upload_0_byte(self):
self._test_upload(0)
def test_upload_1_byte(self):
self._test_upload(1)
def test_upload_chunksize_bytes(self):
self._test_upload(self.chunk_size)
def test_upload_chunksize_plus_1_bytes(self):
self._test_upload(self.chunk_size + 1)
def test_chunks_cleanup_when_upload_failed(self):
data = random_data(2 * self.chunk_size)
content = self.content_factory.new(self.container_id, "titi",
len(data), "RAIN")
self.assertEqual(type(content), RainContent)
# set bad url for position 1
for chunk in content.chunks.filter(pos="1.p0"):
chunk.url = "http://127.0.0.1:9/DEADBEEF"
self.assertRaises(Exception, content.upload, StringIO.StringIO(data))
for chunk in content.chunks.exclude(pos="1.p0"):
self.assertRaises(NotFound,
self.blob_client.chunk_head, chunk.url)
def _test_rebuild(self, data_size, broken_pos_list):
data = os.urandom(data_size)
old_content = self.content_factory.new(self.container_id, "titi",
len(data), "RAIN")
self.assertEqual(type(old_content), RainContent)
old_content.upload(StringIO.StringIO(data))
# get the new structure of the uploaded content
uploaded_content = self.content_factory.get(self.container_id,
old_content.content_id)
old_info = {}
for pos in broken_pos_list:
old_info[pos] = {}
c = uploaded_content.chunks.filter(pos=pos)[0]
old_info[pos]["url"] = c.url
old_info[pos]["id"] = c.id
old_info[pos]["hash"] = c.hash
chunk_id_to_rebuild = c.id
meta, stream = self.blob_client.chunk_get(c.url)
old_info[pos]["dl_meta"] = meta
old_info[pos]["dl_hash"] = md5_stream(stream)
# delete the chunk
self.blob_client.chunk_delete(c.url)
# rebuild the broken chunks
uploaded_content.rebuild_chunk(chunk_id_to_rebuild)
# get the new structure of the content
rebuilt_content = self.content_factory.get(self.container_id,
uploaded_content.content_id)
self.assertEqual(type(rebuilt_content), RainContent)
for pos in broken_pos_list:
c = rebuilt_content.chunks.filter(pos=pos)[0]
rebuilt_meta, rebuilt_stream = self.blob_client.chunk_get(c.url)
self.assertEqual(rebuilt_meta["chunk_id"], c.id)
self.assertEqual(md5_stream(rebuilt_stream),
old_info[pos]["dl_hash"])
self.assertEqual(c.hash, old_info[pos]["hash"])
self.assertThat(c.url, NotEquals(old_info[pos]["url"]))
del old_info[pos]["dl_meta"]["chunk_id"]
del rebuilt_meta["chunk_id"]
self.assertEqual(rebuilt_meta, old_info[pos]["dl_meta"])
def test_content_0_byte_rebuild_pos_0_0(self):
self._test_rebuild(0, ["0.0"])
def test_content_0_byte_rebuild_pos_0_0_and_0_p0(self):
self._test_rebuild(0, ["0.0", "0.p0"])
def test_content_1_byte_rebuild_pos_0_0(self):
self._test_rebuild(1, ["0.0"])
def test_content_1_byte_rebuild_pos_0_p0(self):
self._test_rebuild(1, ["0.p0"])
def test_content_1_byte_rebuild_pos_0_0_and_0_p0(self):
self._test_rebuild(1, ["0.0", "0.p0"])
def test_content_chunksize_bytes_rebuild_pos_0_0(self):
self._test_rebuild(self.conf["chunk_size"], ["0.0"])
def test_content_chunksize_bytes_rebuild_pos_0_0_and_0_1(self):
self._test_rebuild(self.conf["chunk_size"], ["0.0", "0.1"])
def test_content_chunksize_bytes_rebuild_pos_0_0_and_0_p0(self):
self._test_rebuild(self.conf["chunk_size"], ["0.0", "0.p0"])
def test_content_chunksize_bytes_rebuild_pos_0_p0_and_0_p1(self):
self._test_rebuild(self.conf["chunk_size"], ["0.p0", "0.p1"])
def test_content_chunksize_bytes_rebuild_more_than_k_chunk(self):
self.assertRaises(UnrecoverableContent, self._test_rebuild,
self.conf["chunk_size"], ["0.0", "0.1", "0.2"])
def _new_content(self, data, broken_pos_list=[]):
old_content = self.content_factory.new(self.container_id, "titi",
len(data), "RAIN")
self.assertEqual(type(old_content), RainContent)
old_content.upload(StringIO.StringIO(data))
for pos in broken_pos_list:
c = old_content.chunks.filter(pos=pos)[0]
self.blob_client.chunk_delete(c.url)
# get the new structure of the uploaded content
return self.content_factory.get(self.container_id,
old_content.content_id)
def test_orphan_chunk(self):
content = self._new_content(random_data(10))
self.assertRaises(OrphanChunk, content.rebuild_chunk, "uNkNoWnId")
def test_rebuild_on_the_fly(self):
data = random_data(self.conf["chunk_size"])
content = self._new_content(data, ["0.0", "0.p0"])
stream = content.rebuild_metachunk("0", on_the_fly=True)
dl_data = "".join(stream)
self.assertEqual(dl_data, data)
del_chunk_0_0 = content.chunks.filter(pos="0.0")[0]
del_chunk_0_p0 = content.chunks.filter(pos="0.p0")[0]
self.assertRaises(NotFound,
self.blob_client.chunk_get, del_chunk_0_0.url)
self.assertRaises(NotFound,
self.blob_client.chunk_get, del_chunk_0_p0.url)
def _test_download(self, data_size, broken_pos_list):
data = random_data(data_size)
content = self._new_content(data, broken_pos_list)
downloaded_data = "".join(content.download())
self.assertEqual(downloaded_data, data)
for pos in broken_pos_list:
c = content.chunks.filter(pos=pos)[0]
self.assertRaises(NotFound, self.blob_client.chunk_delete, c.url)
def test_download_content_0_byte_without_broken_chunks(self):
self._test_download(0, [])
def test_download_content_1_byte_without_broken_chunks(self):
self._test_download(1, [])
def test_download_content_chunksize_bytes_without_broken_chunks(self):
self._test_download(self.conf["chunk_size"], [])
def test_download_content_chunksize_plus_1_without_broken_chunks(self):
self._test_download(self.conf["chunk_size"] + 1, [])
def test_download_content_0_byte_with_broken_0_0_and_0_p0(self):
self._test_download(0, ["0.0", "0.p0"])
def test_download_content_1_byte_with_broken_0_0_and_0_p0(self):
self._test_download(1, ["0.0", "0.p0"])
def test_download_content_2xchunksize_with_broken_0_2_and_1_0(self):
self._test_download(2 * self.conf["chunk_size"], ["0.2", "1.0"])
def test_download_content_chunksize_bytes_with_3_broken_chunks(self):
data = random_data(self.conf["chunk_size"])
content = self._new_content(data, ["0.0", "0.1", "0.2"])
gen = content.download()
self.assertRaises(UnrecoverableContent, gen.next)
def test_download_interrupt_close(self):
data = random_data(self.conf["chunk_size"])
content = self._new_content(data, ["0.p0"])
download_iter = content.download()
dl_data = ""
for buf in download_iter:
dl_data += buf
self.assertEqual(len(dl_data), len(data))
self.assertEqual(dl_data, data)
download_iter.close()
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 TestRebuilderCrawler(BaseTestCase):
def setUp(self):
super(TestRebuilderCrawler, self).setUp()
self.namespace = self.conf['namespace']
self.account = self.conf['account']
self.gridconf = {"namespace": self.namespace}
self.container_client = ContainerClient(self.gridconf)
self.blob_client = BlobClient()
self.container_name = "TestRebuilderCrawler%d" % int(time.time())
self.container_client.container_create(acct=self.account,
ref=self.container_name)
def _push_content(self, content):
for c in content.chunks:
self.blob_client.chunk_put(c.url, c.get_create_xattr(), c.data)
self.container_client.content_create(acct=content.account,
ref=content.container_name,
path=content.content_name,
size=content.size,
checksum=content.hash,
content_id=content.content_id,
stgpol=content.stgpol,
data=content.get_create_meta2())
def tearDown(self):
super(TestRebuilderCrawler, self).tearDown()
def test_rebuild_chunk(self):
# push a new content
content = TestContent(self.conf, self.account, self.container_name,
"mycontent", "TWOCOPIES")
data = "azerty"
content.add_chunk(data, pos='0', rawx=0)
content.add_chunk(data, pos='0', rawx=1)
self._push_content(content)
# rebuild the first rawx
rebuilder = BlobRebuilderWorker(self.gridconf, None,
self.conf['rawx'][0]['addr'])
rebuilder.chunk_rebuild(content.container_id, content.content_id,
content.chunks[0].id)
# check meta2 information
_, res = self.container_client.content_show(acct=content.account,
ref=content.container_name,
content=content.content_id)
new_chunk_info = None
for c in res:
if (c['url'] != content.chunks[0].url
and c['url'] != content.chunks[1].url):
new_chunk_info = c
new_chunk_id = new_chunk_info['url'].split('/')[-1]
self.assertEqual(new_chunk_info['hash'], content.chunks[0].hash)
self.assertEqual(new_chunk_info['pos'], content.chunks[0].pos)
self.assertEqual(new_chunk_info['size'], content.chunks[0].size)
# check chunk information
meta, stream = self.blob_client.chunk_get(new_chunk_info['url'])
self.assertEqual(meta['content_size'], str(content.chunks[0].size))
self.assertEqual(meta['content_path'], content.content_name)
self.assertEqual(meta['content_cid'], content.container_id)
self.assertEqual(meta['content_id'], content.content_id)
self.assertEqual(meta['chunk_id'], new_chunk_id)
self.assertEqual(meta['chunk_pos'], content.chunks[0].pos)
self.assertEqual(meta['content_version'], content.version)
self.assertEqual(meta['chunk_hash'], content.chunks[0].hash)
self.assertEqual(stream.next(), content.chunks[0].data)
# check rtime flag in rdir
rdir_client = RdirClient(self.gridconf)
res = rdir_client.chunk_fetch(self.conf['rawx'][0]['addr'])
key = (content.container_id, content.content_id, content.chunks[0].id)
for i_container, i_content, i_chunk, i_value in res:
if (i_container, i_content, i_chunk) == key:
check_value = i_value
self.assertIsNotNone(check_value.get('rtime'))
@unittest.skipIf(
len(get_config()['rawx']) != 3, "The number of rawx must be 3")
def test_rebuild_no_spare(self):
# push a new content
content = TestContent(self.conf, self.account, self.container_name,
"mycontent", "THREECOPIES")
data = "azerty"
content.add_chunk(data, pos='0', rawx=0)
content.add_chunk(data, pos='0', rawx=1)
content.add_chunk(data, pos='0', rawx=2)
self._push_content(content)
# rebuild the first rawx
rebuilder = BlobRebuilderWorker(self.gridconf, None,
self.conf['rawx'][0]['addr'])
self.assertRaises(SpareChunkException, rebuilder.chunk_rebuild,
content.container_id, content.content_id,
content.chunks[0].id)
def test_rebuild_upload_failed(self):
# push a new content
content = TestContent(self.conf, self.account, self.container_name,
"mycontent", "TWOCOPIES")
data = "azerty"
content.add_chunk(data, pos='0', rawx=0)
content.add_chunk(data, pos='0', rawx=1)
self._push_content(content)
# rebuild the first rawx
rebuilder = BlobRebuilderWorker(self.gridconf, None,
self.conf['rawx'][0]['addr'])
# Force upload to raise an exception
with patch('oio.content.content.BlobClient') as MockClass:
instance = MockClass.return_value
instance.chunk_copy.side_effect = Exception("xx")
self.assertRaises(UnrecoverableContent, rebuilder.chunk_rebuild,
content.container_id, content.content_id,
content.chunks[0].id)
def test_rebuild_nonexistent_chunk(self):
rebuilder = BlobRebuilderWorker(self.gridconf, None,
self.conf['rawx'][0]['addr'])
# try to rebuild an nonexistant chunk
self.assertRaises(OrphanChunk, rebuilder.chunk_rebuild, 64 * '0',
32 * '0', 64 * '0')
def test_rebuild_orphan_chunk(self):
# push a new content
content = TestContent(self.conf, self.account, self.container_name,
"mycontent", "TWOCOPIES")
data = "azerty"
content.add_chunk(data, pos='0', rawx=0)
content.add_chunk(data, pos='0', rawx=1)
self._push_content(content)
# rebuild the first rawx
rebuilder = BlobRebuilderWorker(self.gridconf, None,
self.conf['rawx'][0]['addr'])
# try to rebuild an nonexistant chunk
self.assertRaises(OrphanChunk, rebuilder.chunk_rebuild,
content.container_id, content.content_id, 64 * '0')
def test_rebuild_with_no_copy(self):
# push a new content
content = TestContent(self.conf, self.account, self.container_name,
"mycontent", "SINGLE")
data = "azerty"
content.add_chunk(data, pos='0', rawx=0)
self._push_content(content)
# rebuild the first rawx
rebuilder = BlobRebuilderWorker(self.gridconf, None,
self.conf['rawx'][0]['addr'])
# try to rebuild chunk without copy
self.assertRaises(UnrecoverableContent, rebuilder.chunk_rebuild,
content.container_id, content.content_id,
content.chunks[0].id)
class TestBlobRebuilder(BaseTestCase):
def setUp(self):
super(TestBlobRebuilder, self).setUp()
self.container = random_str(16)
self.cid = cid_from_name(self.account, self.container)
self.path = random_str(16)
self.api = ObjectStorageApi(self.ns)
self.blob_client = BlobClient(self.conf)
self.api.container_create(self.account, self.container)
_, chunks = self.api.container.content_prepare(self.account,
self.container,
self.path, 1)
if len(chunks) < 2:
self.skipTest("need at least 2 chunks to run")
services = self.conscience.all_services('rawx')
self.rawx_volumes = dict()
for rawx in services:
tags = rawx['tags']
service_id = tags.get('tag.service_id', None)
if service_id is None:
service_id = rawx['addr']
volume = tags.get('tag.vol', None)
self.rawx_volumes[service_id] = volume
self.api.object_create(self.account,
self.container,
obj_name=self.path,
data="chunk")
meta, self.chunks = self.api.object_locate(self.account,
self.container, self.path)
self.version = meta['version']
self.content_id = meta['id']
def _chunk_path(self, chunk):
url = chunk['url']
volume_id = url.split('/', 3)[2]
chunk_id = url.split('/', 3)[3]
volume = self.rawx_volumes[volume_id]
return volume + '/' + chunk_id[:3] + '/' + chunk_id
def test_rebuild_old_chunk(self):
if self._cls_conf['go_rawx']:
self.skipTest('Rawx V2 read only new fullpath')
for c in self.chunks:
convert_to_old_chunk(self._chunk_path(c), self.account,
self.container, self.path, self.version,
self.content_id)
chunk = random.choice(self.chunks)
chunk_volume = chunk['url'].split('/')[2]
chunk_id = chunk['url'].split('/')[3]
chunk_headers, chunk_stream = self.blob_client.chunk_get(chunk['url'])
os.remove(self._chunk_path(chunk))
chunks_kept = list(self.chunks)
chunks_kept.remove(chunk)
conf = self.conf.copy()
conf['allow_same_rawx'] = True
rebuilder = BlobRebuilder(conf, None, chunk_volume)
rebuilder_worker = rebuilder._create_worker()
rebuilder_worker.chunk_rebuild(self.cid, self.content_id, chunk_id)
_, new_chunks = self.api.object_locate(self.account, self.container,
self.path)
new_chunk = list(new_chunks)
self.assertEqual(len(new_chunks), len(chunks_kept) + 1)
url_kept = [c['url'] for c in chunks_kept]
new_chunk = None
for c in new_chunks:
if c['url'] not in url_kept:
self.assertIsNone(new_chunk)
new_chunk = c
self.assertNotEqual(chunk['real_url'], new_chunk['real_url'])
self.assertNotEqual(chunk['url'], new_chunk['url'])
self.assertEqual(chunk['pos'], new_chunk['pos'])
self.assertEqual(chunk['size'], new_chunk['size'])
self.assertEqual(chunk['hash'], new_chunk['hash'])
new_chunk_headers, new_chunk_stream = self.blob_client.chunk_get(
new_chunk['url'])
self.assertEqual(chunk_stream.read(), new_chunk_stream.read())
fullpath = encode_fullpath(self.account, self.container, self.path,
self.version, self.content_id)
self.assertEqual(fullpath, new_chunk_headers['full_path'])
del new_chunk_headers['full_path']
self.assertNotEqual(chunk_headers['chunk_id'],
new_chunk_headers['chunk_id'])
new_chunk_id = new_chunk['url'].split('/')[3]
self.assertEqual(new_chunk_id, new_chunk_headers['chunk_id'])
del chunk_headers['chunk_id']
del new_chunk_headers['chunk_id']
self.assertEqual(OIO_VERSION, new_chunk_headers['oio_version'])
del chunk_headers['oio_version']
del new_chunk_headers['oio_version']
self.assertEqual(chunk_headers, new_chunk_headers)
class TestDupContent(BaseTestCase):
def setUp(self):
super(TestDupContent, self).setUp()
if len(self.conf['rawx']) < 3:
self.skipTest("Not enough rawx. "
"Dup tests needs more than 2 rawx to run")
self.namespace = self.conf['namespace']
self.account = self.conf['account']
self.chunk_size = self.conf['chunk_size']
self.gridconf = {"namespace": self.namespace}
self.content_factory = ContentFactory(self.gridconf)
self.container_client = ContainerClient(self.gridconf)
self.blob_client = BlobClient()
self.container_name = "TestDupContent%f" % time.time()
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(TestDupContent, self).tearDown()
def _test_upload(self, stgpol, data_size):
data = random_data(data_size)
content = self.content_factory.new(self.container_id, "titi",
len(data), stgpol)
self.assertEqual(type(content), DupContent)
content.upload(StringIO.StringIO(data))
meta, chunks = self.container_client.content_show(
cid=self.container_id, content=content.content_id)
chunks = ChunksHelper(chunks)
self.assertEqual(meta['hash'], md5_data(data))
self.assertEqual(meta['length'], str(len(data)))
self.assertEqual(meta['policy'], stgpol)
self.assertEqual(meta['name'], "titi")
metachunk_nb = int(math.ceil(float(len(data)) / self.chunk_size))
if metachunk_nb == 0:
metachunk_nb = 1 # special case for empty content
if stgpol == "THREECOPIES":
nb_copy = 3
elif stgpol == "TWOCOPIES":
nb_copy = 2
elif stgpol == "SINGLE":
nb_copy = 1
self.assertEqual(len(chunks), metachunk_nb * nb_copy)
for pos in range(metachunk_nb):
chunks_at_pos = chunks.filter(pos=pos)
self.assertEqual(len(chunks_at_pos), nb_copy)
data_begin = pos * self.chunk_size
data_end = pos * self.chunk_size + self.chunk_size
chunk_hash = md5_data(data[data_begin:data_end])
for chunk in chunks_at_pos:
meta, stream = self.blob_client.chunk_get(chunk.url)
self.assertEqual(md5_stream(stream), chunk_hash)
self.assertEqual(meta['content_size'], str(len(data)))
self.assertEqual(meta['content_path'], "titi")
self.assertEqual(meta['content_cid'], self.container_id)
self.assertEqual(meta['content_id'], meta['content_id'])
self.assertEqual(meta['chunk_id'], chunk.id)
self.assertEqual(meta['chunk_pos'], str(pos))
self.assertEqual(meta['chunk_hash'], chunk_hash)
def test_twocopies_upload_0_byte(self):
self._test_upload("TWOCOPIES", 0)
def test_twocopies_upload_1_byte(self):
self._test_upload("TWOCOPIES", 1)
def test_twocopies_upload_chunksize_bytes(self):
self._test_upload("TWOCOPIES", self.chunk_size)
def test_twocopies_upload_chunksize_plus_1_bytes(self):
self._test_upload("TWOCOPIES", self.chunk_size + 1)
def test_single_upload_0_byte(self):
self._test_upload("SINGLE", 0)
def test_single_upload_chunksize_plus_1_bytes(self):
self._test_upload("SINGLE", self.chunk_size + 1)
def test_chunks_cleanup_when_upload_failed(self):
data = random_data(2 * self.chunk_size)
content = self.content_factory.new(self.container_id, "titi",
len(data), "TWOCOPIES")
self.assertEqual(type(content), DupContent)
# set bad url for position 1
for chunk in content.chunks.filter(pos=1):
chunk.url = "http://127.0.0.1:9/DEADBEEF"
self.assertRaises(Exception, content.upload, StringIO.StringIO(data))
for chunk in content.chunks.exclude(pos=1):
self.assertRaises(NotFound, self.blob_client.chunk_head, chunk.url)
def _new_content(self, stgpol, data, broken_pos_list=[]):
old_content = self.content_factory.new(self.container_id, "titi",
len(data), stgpol)
self.assertEqual(type(old_content), DupContent)
old_content.upload(StringIO.StringIO(data))
broken_chunks_info = {}
for pos, idx in broken_pos_list:
c = old_content.chunks.filter(pos=pos)[idx]
meta, stream = self.blob_client.chunk_get(c.url)
if pos not in broken_chunks_info:
broken_chunks_info[pos] = {}
broken_chunks_info[pos][idx] = {
"url": c.url,
"id": c.id,
"hash": c.hash,
"dl_meta": meta,
"dl_hash": md5_stream(stream)
}
self.blob_client.chunk_delete(c.url)
# get the new structure of the uploaded content
return (self.content_factory.get(self.container_id,
old_content.content_id),
broken_chunks_info)
def _test_rebuild(self, stgpol, data_size, broken_pos_list,
full_rebuild_pos):
data = random_data(data_size)
content, broken_chunks_info = self._new_content(
stgpol, data, broken_pos_list)
rebuild_pos, rebuild_idx = full_rebuild_pos
rebuild_chunk_info = broken_chunks_info[rebuild_pos][rebuild_idx]
content.rebuild_chunk(rebuild_chunk_info["id"])
# get the new structure of the content
rebuilt_content = self.content_factory.get(self.container_id,
content.content_id)
self.assertEqual(type(rebuilt_content), DupContent)
# find the rebuilt chunk
for c in rebuilt_content.chunks.filter(pos=rebuild_pos):
if len(content.chunks.filter(id=c.id)) > 0:
# not the rebuilt chunk
# if this chunk is broken, it must not have been rebuilt
for b_c_i in broken_chunks_info[rebuild_pos].values():
if c.id == b_c_i["id"]:
with ExpectedException(NotFound):
_, _ = self.blob_client.chunk_get(c.url)
continue
meta, stream = self.blob_client.chunk_get(c.url)
self.assertEqual(meta["chunk_id"], c.id)
self.assertEqual(md5_stream(stream), rebuild_chunk_info["dl_hash"])
self.assertEqual(c.hash, rebuild_chunk_info["hash"])
self.assertThat(c.url, NotEquals(rebuild_chunk_info["url"]))
del meta["chunk_id"]
del rebuild_chunk_info["dl_meta"]["chunk_id"]
self.assertEqual(meta, rebuild_chunk_info["dl_meta"])
def test_2copies_content_0_byte_1broken_rebuild_pos_0_idx_0(self):
self._test_rebuild("TWOCOPIES", 0, [(0, 0)], (0, 0))
def test_2copies_content_1_byte_1broken_rebuild_pos_0_idx_1(self):
self._test_rebuild("TWOCOPIES", 1, [(0, 1)], (0, 1))
def test_3copies_content_chunksize_bytes_2broken_rebuild_pos_0_idx_1(self):
if len(self.conf['rawx']) <= 3:
self.skipTest("Need more than 3 rawx")
self._test_rebuild("THREECOPIES", self.chunk_size, [(0, 0), (0, 1)],
(0, 1))
def test_3copies_content_2xchksize_bytes_2broken_rebuild_pos_1_idx_2(self):
if len(self.conf['rawx']) <= 3:
self.skipTest("Need more than 3 rawx")
self._test_rebuild("THREECOPIES", 2 * self.chunk_size,
[(1, 0), (1, 2)], (1, 2))
def test_2copies_content_0_byte_2broken_rebuild_pos_0_idx_0(self):
with ExpectedException(UnrecoverableContent):
self._test_rebuild("TWOCOPIES", 0, [(0, 0), (0, 1)], (0, 0))
def _test_download(self, stgpol, data_size, broken_pos_list):
data = random_data(data_size)
content, _ = self._new_content(stgpol, data, broken_pos_list)
downloaded_data = "".join(content.download())
self.assertEqual(downloaded_data, data)
for pos, idx in broken_pos_list:
# check nothing has been rebuilt
c = content.chunks.filter(pos=pos)[0]
self.assertRaises(NotFound, self.blob_client.chunk_delete, c.url)
def test_twocopies_download_content_0_byte_without_broken_chunks(self):
self._test_download("TWOCOPIES", 0, [])
def test_twocopies_download_content_0_byte_with_broken_0_0(self):
self._test_download("TWOCOPIES", 0, [(0, 0)])
def test_twocopies_download_content_1_byte_without_broken_chunks(self):
self._test_download("TWOCOPIES", 1, [])
def test_twocopies_download_content_1_byte_with_broken_0_0(self):
self._test_download("TWOCOPIES", 1, [(0, 0)])
def test_twocopies_download_chunksize_bytes_without_broken_chunks(self):
self._test_download("TWOCOPIES", self.chunk_size, [])
def test_twocopies_download_2xchuksize_bytes_with_broken_0_0_and_1_0(self):
self._test_download("TWOCOPIES", self.chunk_size * 2, [(0, 0), (1, 0)])
def test_twocopies_download_content_chunksize_bytes_2_broken_chunks(self):
data = random_data(self.chunk_size)
content, _ = self._new_content("TWOCOPIES", data, [(0, 0), (0, 1)])
gen = content.download()
self.assertRaises(UnrecoverableContent, gen.next)
def test_single_download_content_1_byte_without_broken_chunks(self):
self._test_download("SINGLE", 1, [])
def test_single_download_chunksize_bytes_plus_1_without_broken_chunk(self):
self._test_download("SINGLE", self.chunk_size * 2, [])
class TestRainContent(BaseTestCase):
def setUp(self):
super(TestRainContent, self).setUp()
if len(self.conf['rawx']) < 12:
self.skipTest("Not enough rawx. "
"Rain tests needs more than 12 rawx to run")
self.namespace = self.conf['namespace']
self.account = self.conf['account']
self.chunk_size = self.conf['chunk_size']
self.gridconf = {"namespace": self.namespace}
self.content_factory = ContentFactory(self.gridconf)
self.container_client = ContainerClient(self.gridconf)
self.blob_client = BlobClient()
self.container_name = "TestRainContent%f" % time.time()
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(TestRainContent, self).tearDown()
def _test_upload(self, data_size):
data = random_data(data_size)
content = self.content_factory.new(self.container_id, "titi",
len(data), "RAIN")
k = 6
m = 2
self.assertEqual(type(content), RainContent)
content.upload(StringIO.StringIO(data))
meta, chunks = self.container_client.content_show(
cid=self.container_id, content=content.content_id)
chunks = ChunksHelper(chunks)
self.assertEqual(meta['hash'], md5_data(data))
self.assertEqual(meta['length'], str(len(data)))
self.assertEqual(meta['policy'], "RAIN")
self.assertEqual(meta['name'], "titi")
metachunk_nb = int(math.ceil(float(len(data)) / self.chunk_size))
if metachunk_nb == 0:
metachunk_nb = 1 # special case for empty content
nb_chunks_min = metachunk_nb * (k + m) - (k - 1)
nb_chunks_max = metachunk_nb * (k + m)
self.assertEquals(len(chunks) >= nb_chunks_min, True)
self.assertEquals(len(chunks) <= nb_chunks_max, True)
for metapos in range(metachunk_nb):
chunks_at_pos = content.chunks.filter(metapos=metapos)
data_chunks_at_pos = chunks_at_pos.filter(is_parity=False)
parity_chunks_at_pos = chunks_at_pos.filter(is_parity=True)
if metapos < metachunk_nb - 1:
self.assertEqual(len(data_chunks_at_pos), k)
else:
self.assertEquals(len(data_chunks_at_pos) >= 1, True)
self.assertEquals(len(data_chunks_at_pos) <= k, True)
self.assertEqual(len(parity_chunks_at_pos), m)
for chunk in chunks_at_pos:
meta, stream = self.blob_client.chunk_get(chunk.url)
self.assertEqual(md5_stream(stream), chunk.hash)
self.assertEqual(meta['content_size'], str(len(data)))
self.assertEqual(meta['content_path'], "titi")
self.assertEqual(meta['content_cid'], self.container_id)
self.assertEqual(meta['content_id'], meta['content_id'])
self.assertEqual(meta['chunk_id'], chunk.id)
self.assertEqual(meta['chunk_pos'], chunk.pos)
self.assertEqual(meta['chunk_hash'], chunk.hash)
data_begin = metapos * self.chunk_size
data_end = metapos * self.chunk_size + self.chunk_size
target_metachunk_hash = md5_data(data[data_begin:data_end])
metachunk_hash = hashlib.md5()
for chunk in data_chunks_at_pos:
meta, stream = self.blob_client.chunk_get(chunk.url)
for d in stream:
metachunk_hash.update(d)
self.assertEqual(metachunk_hash.hexdigest().upper(),
target_metachunk_hash)
def test_upload_0_byte(self):
self._test_upload(0)
def test_upload_1_byte(self):
self._test_upload(1)
def test_upload_chunksize_bytes(self):
self._test_upload(self.chunk_size)
def test_upload_chunksize_plus_1_bytes(self):
self._test_upload(self.chunk_size + 1)
def test_chunks_cleanup_when_upload_failed(self):
data = random_data(2 * self.chunk_size)
content = self.content_factory.new(self.container_id, "titi",
len(data), "RAIN")
self.assertEqual(type(content), RainContent)
# set bad url for position 1
for chunk in content.chunks.filter(pos="1.p0"):
chunk.url = "http://127.0.0.1:9/DEADBEEF"
self.assertRaises(Exception, content.upload, StringIO.StringIO(data))
for chunk in content.chunks.exclude(pos="1.p0"):
self.assertRaises(NotFound, self.blob_client.chunk_head, chunk.url)
def _test_rebuild(self, data_size, broken_pos_list):
data = os.urandom(data_size)
old_content = self.content_factory.new(self.container_id, "titi",
len(data), "RAIN")
self.assertEqual(type(old_content), RainContent)
old_content.upload(StringIO.StringIO(data))
# get the new structure of the uploaded content
uploaded_content = self.content_factory.get(self.container_id,
old_content.content_id)
old_info = {}
for pos in broken_pos_list:
old_info[pos] = {}
c = uploaded_content.chunks.filter(pos=pos)[0]
old_info[pos]["url"] = c.url
old_info[pos]["id"] = c.id
old_info[pos]["hash"] = c.hash
chunk_id_to_rebuild = c.id
meta, stream = self.blob_client.chunk_get(c.url)
old_info[pos]["dl_meta"] = meta
old_info[pos]["dl_hash"] = md5_stream(stream)
# delete the chunk
self.blob_client.chunk_delete(c.url)
# rebuild the broken chunks
uploaded_content.rebuild_chunk(chunk_id_to_rebuild)
# get the new structure of the content
rebuilt_content = self.content_factory.get(self.container_id,
uploaded_content.content_id)
self.assertEqual(type(rebuilt_content), RainContent)
for pos in broken_pos_list:
c = rebuilt_content.chunks.filter(pos=pos)[0]
rebuilt_meta, rebuilt_stream = self.blob_client.chunk_get(c.url)
self.assertEqual(rebuilt_meta["chunk_id"], c.id)
self.assertEqual(md5_stream(rebuilt_stream),
old_info[pos]["dl_hash"])
self.assertEqual(c.hash, old_info[pos]["hash"])
self.assertThat(c.url, NotEquals(old_info[pos]["url"]))
del old_info[pos]["dl_meta"]["chunk_id"]
del rebuilt_meta["chunk_id"]
self.assertEqual(rebuilt_meta, old_info[pos]["dl_meta"])
def test_content_0_byte_rebuild_pos_0_0(self):
self._test_rebuild(0, ["0.0"])
def test_content_0_byte_rebuild_pos_0_0_and_0_p0(self):
self._test_rebuild(0, ["0.0", "0.p0"])
def test_content_1_byte_rebuild_pos_0_0(self):
self._test_rebuild(1, ["0.0"])
def test_content_1_byte_rebuild_pos_0_p0(self):
self._test_rebuild(1, ["0.p0"])
def test_content_1_byte_rebuild_pos_0_0_and_0_p0(self):
self._test_rebuild(1, ["0.0", "0.p0"])
def test_content_chunksize_bytes_rebuild_pos_0_0(self):
self._test_rebuild(self.conf["chunk_size"], ["0.0"])
def test_content_chunksize_bytes_rebuild_pos_0_0_and_0_1(self):
self._test_rebuild(self.conf["chunk_size"], ["0.0", "0.1"])
def test_content_chunksize_bytes_rebuild_pos_0_0_and_0_p0(self):
self._test_rebuild(self.conf["chunk_size"], ["0.0", "0.p0"])
def test_content_chunksize_bytes_rebuild_pos_0_p0_and_0_p1(self):
self._test_rebuild(self.conf["chunk_size"], ["0.p0", "0.p1"])
def test_content_chunksize_bytes_rebuild_more_than_k_chunk(self):
self.assertRaises(UnrecoverableContent, self._test_rebuild,
self.conf["chunk_size"], ["0.0", "0.1", "0.2"])
def _new_content(self, data, broken_pos_list=[]):
old_content = self.content_factory.new(self.container_id, "titi",
len(data), "RAIN")
self.assertEqual(type(old_content), RainContent)
old_content.upload(StringIO.StringIO(data))
for pos in broken_pos_list:
c = old_content.chunks.filter(pos=pos)[0]
self.blob_client.chunk_delete(c.url)
# get the new structure of the uploaded content
return self.content_factory.get(self.container_id,
old_content.content_id)
def test_orphan_chunk(self):
content = self._new_content(random_data(10))
self.assertRaises(OrphanChunk, content.rebuild_chunk, "uNkNoWnId")
def test_rebuild_on_the_fly(self):
data = random_data(self.conf["chunk_size"])
content = self._new_content(data, ["0.0", "0.p0"])
stream = content.rebuild_metachunk("0", on_the_fly=True)
dl_data = "".join(stream)
self.assertEqual(dl_data, data)
del_chunk_0_0 = content.chunks.filter(pos="0.0")[0]
del_chunk_0_p0 = content.chunks.filter(pos="0.p0")[0]
self.assertRaises(NotFound, self.blob_client.chunk_get,
del_chunk_0_0.url)
self.assertRaises(NotFound, self.blob_client.chunk_get,
del_chunk_0_p0.url)
def _test_download(self, data_size, broken_pos_list):
data = random_data(data_size)
content = self._new_content(data, broken_pos_list)
downloaded_data = "".join(content.download())
self.assertEqual(downloaded_data, data)
for pos in broken_pos_list:
c = content.chunks.filter(pos=pos)[0]
self.assertRaises(NotFound, self.blob_client.chunk_delete, c.url)
def test_download_content_0_byte_without_broken_chunks(self):
self._test_download(0, [])
def test_download_content_1_byte_without_broken_chunks(self):
self._test_download(1, [])
def test_download_content_chunksize_bytes_without_broken_chunks(self):
self._test_download(self.conf["chunk_size"], [])
def test_download_content_chunksize_plus_1_without_broken_chunks(self):
self._test_download(self.conf["chunk_size"] + 1, [])
def test_download_content_0_byte_with_broken_0_0_and_0_p0(self):
self._test_download(0, ["0.0", "0.p0"])
def test_download_content_1_byte_with_broken_0_0_and_0_p0(self):
self._test_download(1, ["0.0", "0.p0"])
def test_download_content_2xchunksize_with_broken_0_2_and_1_0(self):
self._test_download(2 * self.conf["chunk_size"], ["0.2", "1.0"])
def test_download_content_chunksize_bytes_with_3_broken_chunks(self):
data = random_data(self.conf["chunk_size"])
content = self._new_content(data, ["0.0", "0.1", "0.2"])
gen = content.download()
self.assertRaises(UnrecoverableContent, gen.next)
def test_download_interrupt_close(self):
data = random_data(self.conf["chunk_size"])
content = self._new_content(data, ["0.p0"])
download_iter = content.download()
self.assertEqual(download_iter.next(), data[0:READ_CHUNK_SIZE - 1])
download_iter.close()
class TestECContent(BaseTestCase):
def setUp(self):
super(TestECContent, self).setUp()
if len(self.conf['services']['rawx']) < 12:
self.skipTest("Not enough rawx. "
"EC tests needs at least 12 rawx to run")
self.namespace = self.conf['namespace']
self.account = self.conf['account']
self.chunk_size = self.conf['chunk_size']
self.gridconf = {"namespace": self.namespace}
self.content_factory = ContentFactory(self.gridconf)
self.container_client = ContainerClient(self.gridconf)
self.blob_client = BlobClient(self.conf)
self.container_name = "TestECContent%f" % time.time()
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.content = "%s-%s" % (self.__class__.__name__, random_str(4))
self.stgpol = "EC"
self.size = 1024 * 1024 + 320
self.k = 6
self.m = 3
def tearDown(self):
super(TestECContent, self).tearDown()
def random_chunks(self, nb):
pos = random.sample(xrange(self.k + self.m), nb)
return ["0.%s" % i for i in pos]
def _test_create(self, data_size):
# generate random test data
data = random_data(data_size)
# using factory create new EC content
content = self.content_factory.new(self.container_id, self.content,
len(data), self.stgpol)
# verify the factory gave us an ECContent
self.assertEqual(type(content), ECContent)
# perform the content creation
content.create(BytesIO(data))
meta, chunks = self.container_client.content_locate(
cid=self.container_id, content=content.content_id)
# verify metadata
chunks = ChunksHelper(chunks)
self.assertEqual(meta['hash'], md5_data(data))
self.assertEqual(meta['length'], str(len(data)))
self.assertEqual(meta['policy'], self.stgpol)
self.assertEqual(meta['name'], self.content)
metachunk_nb = int(math.ceil(float(len(data)) / self.chunk_size)) \
if len(data) != 0 else 1
offset = 0
# verify each metachunk
for metapos in range(metachunk_nb):
chunks_at_pos = content.chunks.filter(metapos=metapos)
if len(chunks_at_pos) < 1:
break
metachunk_size = chunks_at_pos[0].size
metachunk_hash = md5_data(data[offset:offset + metachunk_size])
for chunk in chunks_at_pos:
meta, stream = self.blob_client.chunk_get(chunk.url)
self.assertEqual(meta['metachunk_size'], str(chunk.size))
self.assertEqual(meta['metachunk_hash'], chunk.checksum)
self.assertEqual(meta['content_path'], self.content)
self.assertEqual(meta['container_id'], self.container_id)
self.assertEqual(meta['content_id'], meta['content_id'])
self.assertEqual(meta['chunk_id'], chunk.id)
self.assertEqual(meta['chunk_pos'], chunk.pos)
self.assertEqual(meta['chunk_hash'], md5_stream(stream))
full_path = encode_fullpath(self.account, self.container_name,
self.content,
meta['content_version'],
meta['content_id'])
self.assertEqual(meta['full_path'], full_path)
self.assertEqual(meta['oio_version'], '4.2')
self.assertEqual(metachunk_hash, chunk.checksum)
offset += metachunk_size
def test_create_0_byte(self):
self._test_create(0)
def test_create_1_byte(self):
self._test_create(1)
def test_create(self):
self._test_create(DAT_LEGIT_SIZE)
def test_create_6294503_bytes(self):
self._test_create(6294503)
def _test_rebuild(self, data_size, broken_pos_list):
# generate test data
data = os.urandom(data_size)
# create initial content
old_content = self.content_factory.new(self.container_id, self.content,
len(data), self.stgpol)
# verify factory work as intended
self.assertEqual(type(old_content), ECContent)
# perform initial content creation
old_content.create(BytesIO(data))
uploaded_content = self.content_factory.get(self.container_id,
old_content.content_id)
# break the content
old_info = {}
for pos in broken_pos_list:
old_info[pos] = {}
c = uploaded_content.chunks.filter(pos=pos)[0]
old_info[pos]["url"] = c.url
old_info[pos]["id"] = c.id
old_info[pos]["hash"] = c.checksum
chunk_id_to_rebuild = c.id
meta, stream = self.blob_client.chunk_get(c.url)
old_info[pos]["dl_meta"] = meta
old_info[pos]["dl_hash"] = md5_stream(stream)
# delete the chunk
self.blob_client.chunk_delete(c.url)
# rebuild the broken chunks
uploaded_content.rebuild_chunk(chunk_id_to_rebuild)
rebuilt_content = self.content_factory.get(self.container_id,
uploaded_content.content_id)
# sanity check
self.assertEqual(type(rebuilt_content), ECContent)
# verify rebuild result
for pos in broken_pos_list:
c = rebuilt_content.chunks.filter(pos=pos)[0]
rebuilt_meta, rebuilt_stream = self.blob_client.chunk_get(c.url)
self.assertEqual(rebuilt_meta["chunk_id"], c.id)
self.assertEqual(md5_stream(rebuilt_stream),
old_info[pos]["dl_hash"])
self.assertEqual(c.checksum, old_info[pos]["hash"])
self.assertNotEqual(c.url, old_info[pos]["url"])
self.assertGreaterEqual(rebuilt_meta['chunk_mtime'],
old_info[pos]['dl_meta']['chunk_mtime'])
del old_info[pos]["dl_meta"]["chunk_mtime"]
del rebuilt_meta["chunk_mtime"]
del old_info[pos]["dl_meta"]["chunk_id"]
del rebuilt_meta["chunk_id"]
self.assertEqual(rebuilt_meta, old_info[pos]["dl_meta"])
def test_content_0_byte_rebuild(self):
self._test_rebuild(0, self.random_chunks(1))
def test_content_0_byte_rebuild_advanced(self):
self._test_rebuild(0, self.random_chunks(3))
def test_content_1_byte_rebuild(self):
self._test_rebuild(1, self.random_chunks(1))
def test_content_1_byte_rebuild_advanced(self):
self._test_rebuild(1, self.random_chunks(3))
def test_content_rebuild(self):
self._test_rebuild(DAT_LEGIT_SIZE, self.random_chunks(1))
def test_content_rebuild_advanced(self):
self._test_rebuild(DAT_LEGIT_SIZE, self.random_chunks(3))
def test_content_rebuild_unrecoverable(self):
self.assertRaises(UnrecoverableContent, self._test_rebuild,
DAT_LEGIT_SIZE, self.random_chunks(4))
def _new_content(self, data, broken_pos_list=[]):
old_content = self.content_factory.new(self.container_id, self.content,
len(data), self.stgpol)
self.assertEqual(type(old_content), ECContent)
old_content.create(BytesIO(data))
# break content
for pos in broken_pos_list:
c = old_content.chunks.filter(pos=pos)[0]
self.blob_client.chunk_delete(c.url)
# get the new structure of the uploaded content
return self.content_factory.get(self.container_id,
old_content.content_id)
def test_orphan_chunk(self):
content = self._new_content(random_data(10))
self.assertRaises(OrphanChunk, content.rebuild_chunk, "invalid")
def _test_fetch(self, data_size, broken_pos_list=None):
broken_pos_list = broken_pos_list or []
test_data = random_data(data_size)
content = self._new_content(test_data, broken_pos_list)
data = b''.join(content.fetch())
self.assertEqual(len(data), len(test_data))
self.assertEqual(md5_data(data), md5_data(test_data))
# verify that chunks are broken
for pos in broken_pos_list:
chunk = content.chunks.filter(pos=pos)[0]
self.assertRaises(NotFound, self.blob_client.chunk_delete,
chunk.url)
def test_fetch_content_0_byte(self):
self._test_fetch(0)
def test_fetch_content_1_byte(self):
self._test_fetch(1)
def test_fetch_content(self):
self._test_fetch(DAT_LEGIT_SIZE)
def test_fetch_content_0_byte_broken(self):
self._test_fetch(0, self.random_chunks(3))
def test_fetch_content_1_byte_broken(self):
self._test_fetch(1, self.random_chunks(3))
def test_fetch_content_broken(self):
self._test_fetch(DAT_LEGIT_SIZE, self.random_chunks(3))
def test_fetch_content_unrecoverable(self):
broken_chunks = self.random_chunks(4)
self.assertRaises(OioException, self._test_fetch, DAT_LEGIT_SIZE,
broken_chunks)
class TestRebuilderCrawler(BaseTestCase):
def setUp(self):
super(TestRebuilderCrawler, self).setUp()
self.namespace = self.conf['namespace']
self.account = self.conf['account']
self.gridconf = {"namespace": self.namespace}
self.container_client = ContainerClient(self.gridconf)
self.blob_client = BlobClient()
self.container_name = "TestRebuilderCrawler%d" % int(time.time())
self.container_client.container_create(acct=self.account,
ref=self.container_name)
def _push_content(self, content):
for c in content.chunks:
self.blob_client.chunk_put(c.url, c.get_create_xattr(), c.data)
self.container_client.content_create(acct=content.account,
ref=content.container_name,
path=content.content_name,
size=content.size,
checksum=content.hash,
content_id=content.content_id,
stgpol=content.stgpol,
data=content.get_create_meta2())
def tearDown(self):
super(TestRebuilderCrawler, self).tearDown()
def test_rebuild_chunk(self):
# push a new content
content = TestContent(self.conf, self.account,
self.container_name, "mycontent", "TWOCOPIES")
data = "azerty"
content.add_chunk(data, pos='0', rawx=0)
content.add_chunk(data, pos='0', rawx=1)
self._push_content(content)
# rebuild the first rawx
rebuilder = BlobRebuilderWorker(self.gridconf, None,
self.conf['rawx'][0]['addr'])
rebuilder.chunk_rebuild(content.container_id, content.content_id,
content.chunks[0].id)
# check meta2 information
_, res = self.container_client.content_show(acct=content.account,
ref=content.container_name,
content=content.content_id)
new_chunk_info = None
for c in res:
if (c['url'] != content.chunks[0].url and
c['url'] != content.chunks[1].url):
new_chunk_info = c
new_chunk_id = new_chunk_info['url'].split('/')[-1]
self.assertEqual(new_chunk_info['hash'], content.chunks[0].hash)
self.assertEqual(new_chunk_info['pos'], content.chunks[0].pos)
self.assertEqual(new_chunk_info['size'], content.chunks[0].size)
# check chunk information
meta, stream = self.blob_client.chunk_get(new_chunk_info['url'])
self.assertEqual(meta['content_size'], str(content.chunks[0].size))
self.assertEqual(meta['content_path'], content.content_name)
self.assertEqual(meta['content_cid'], content.container_id)
self.assertEqual(meta['content_id'], content.content_id)
self.assertEqual(meta['chunk_id'], new_chunk_id)
self.assertEqual(meta['chunk_pos'], content.chunks[0].pos)
self.assertEqual(meta['content_version'], content.version)
self.assertEqual(meta['chunk_hash'], content.chunks[0].hash)
self.assertEqual(stream.next(), content.chunks[0].data)
# check rtime flag in rdir
rdir_client = RdirClient(self.gridconf)
res = rdir_client.chunk_fetch(self.conf['rawx'][0]['addr'])
key = (content.container_id, content.content_id, content.chunks[0].id)
for i_container, i_content, i_chunk, i_value in res:
if (i_container, i_content, i_chunk) == key:
check_value = i_value
self.assertIsNotNone(check_value.get('rtime'))
@unittest.skipIf(len(get_config()['rawx']) != 3,
"The number of rawx must be 3")
def test_rebuild_no_spare(self):
# push a new content
content = TestContent(self.conf, self.account,
self.container_name, "mycontent", "THREECOPIES")
data = "azerty"
content.add_chunk(data, pos='0', rawx=0)
content.add_chunk(data, pos='0', rawx=1)
content.add_chunk(data, pos='0', rawx=2)
self._push_content(content)
# rebuild the first rawx
rebuilder = BlobRebuilderWorker(self.gridconf, None,
self.conf['rawx'][0]['addr'])
self.assertRaises(SpareChunkException, rebuilder.chunk_rebuild,
content.container_id, content.content_id,
content.chunks[0].id)
def test_rebuild_upload_failed(self):
# push a new content
content = TestContent(self.conf, self.account,
self.container_name, "mycontent", "TWOCOPIES")
data = "azerty"
content.add_chunk(data, pos='0', rawx=0)
content.add_chunk(data, pos='0', rawx=1)
self._push_content(content)
# rebuild the first rawx
rebuilder = BlobRebuilderWorker(self.gridconf, None,
self.conf['rawx'][0]['addr'])
# Force upload to raise an exception
with patch('oio.content.content.BlobClient') as MockClass:
instance = MockClass.return_value
instance.chunk_copy.side_effect = Exception("xx")
self.assertRaises(UnrecoverableContent, rebuilder.chunk_rebuild,
content.container_id, content.content_id,
content.chunks[0].id)
def test_rebuild_nonexistent_chunk(self):
rebuilder = BlobRebuilderWorker(self.gridconf, None,
self.conf['rawx'][0]['addr'])
# try to rebuild an nonexistant chunk
self.assertRaises(OrphanChunk, rebuilder.chunk_rebuild,
64 * '0', 32 * '0', 64 * '0')
def test_rebuild_orphan_chunk(self):
# push a new content
content = TestContent(self.conf, self.account,
self.container_name, "mycontent", "TWOCOPIES")
data = "azerty"
content.add_chunk(data, pos='0', rawx=0)
content.add_chunk(data, pos='0', rawx=1)
self._push_content(content)
# rebuild the first rawx
rebuilder = BlobRebuilderWorker(self.gridconf, None,
self.conf['rawx'][0]['addr'])
# try to rebuild an nonexistant chunk
self.assertRaises(OrphanChunk, rebuilder.chunk_rebuild,
content.container_id, content.content_id, 64 * '0')
def test_rebuild_with_no_copy(self):
# push a new content
content = TestContent(self.conf, self.account,
self.container_name, "mycontent", "SINGLE")
data = "azerty"
content.add_chunk(data, pos='0', rawx=0)
self._push_content(content)
# rebuild the first rawx
rebuilder = BlobRebuilderWorker(self.gridconf, None,
self.conf['rawx'][0]['addr'])
# try to rebuild chunk without copy
self.assertRaises(UnrecoverableContent, rebuilder.chunk_rebuild,
content.container_id, content.content_id,
content.chunks[0].id)
class TestPlainContent(BaseTestCase):
def setUp(self):
super(TestPlainContent, self).setUp()
if len(self.conf['services']['rawx']) < 4:
self.skipTest(
"Plain tests needs more than 3 rawx to run")
self.namespace = self.conf['namespace']
self.account = self.conf['account']
self.chunk_size = self.conf['chunk_size']
self.gridconf = {"namespace": self.namespace}
self.content_factory = ContentFactory(self.gridconf)
self.container_client = ContainerClient(self.gridconf)
self.blob_client = BlobClient(self.conf)
self.container_name = "TestPlainContent-%f" % time.time()
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.content = random_str(64)
self.stgpol = "SINGLE"
self.stgpol_twocopies = "TWOCOPIES"
self.stgpol_threecopies = "THREECOPIES"
def _test_create(self, stgpol, data_size):
data = random_data(data_size)
content = self.content_factory.new(self.container_id, self.content,
len(data), stgpol)
content.create(BytesIO(data))
meta, chunks = self.container_client.content_locate(
cid=self.container_id, content=content.content_id)
self.assertEqual(meta['hash'], md5_data(data))
self.assertEqual(meta['length'], str(len(data)))
self.assertEqual(meta['policy'], stgpol)
self.assertEqual(meta['name'], self.content)
metachunk_nb = int(math.ceil(float(len(data)) / self.chunk_size))
if metachunk_nb == 0:
metachunk_nb = 1 # special case for empty content
chunks = ChunksHelper(chunks)
# TODO NO NO NO
if stgpol == self.stgpol_threecopies:
nb_copy = 3
elif stgpol == self.stgpol_twocopies:
nb_copy = 2
elif stgpol == self.stgpol:
nb_copy = 1
self.assertEqual(len(chunks), metachunk_nb * nb_copy)
for pos in range(metachunk_nb):
chunks_at_pos = chunks.filter(pos=pos)
self.assertEqual(len(chunks_at_pos), nb_copy)
data_begin = pos * self.chunk_size
data_end = pos * self.chunk_size + self.chunk_size
chunk_hash = md5_data(data[data_begin:data_end])
for chunk in chunks_at_pos:
meta, stream = self.blob_client.chunk_get(chunk.url)
self.assertEqual(md5_stream(stream), chunk_hash)
self.assertEqual(meta['content_path'], self.content)
self.assertEqual(meta['container_id'], self.container_id)
self.assertEqual(meta['content_id'], meta['content_id'])
self.assertEqual(meta['chunk_id'], chunk.id)
self.assertEqual(meta['chunk_pos'], str(pos))
# Check that chunk data matches chunk hash from xattr
self.assertEqual(meta['chunk_hash'], chunk_hash)
# Check that chunk data matches chunk hash from database
self.assertEqual(chunk.checksum, chunk_hash)
full_path = encode_fullpath(
self.account, self.container_name, self.content,
meta['content_version'], meta['content_id'])
self.assertEqual(meta['full_path'], full_path)
self.assertEqual(meta['oio_version'], '4.2')
def test_twocopies_create_0_byte(self):
self._test_create(self.stgpol_twocopies, 0)
def test_twocopies_create_1_byte(self):
self._test_create(self.stgpol_twocopies, 1)
def test_twocopies_create_chunksize_bytes(self):
self._test_create(self.stgpol_twocopies, self.chunk_size)
def test_twocopies_create_chunksize_plus_1_bytes(self):
self._test_create(self.stgpol_twocopies, self.chunk_size + 1)
def test_twocopies_create_6294503_bytes(self):
self._test_create(self.stgpol_twocopies, 6294503)
def test_single_create_0_byte(self):
self._test_create(self.stgpol, 0)
def test_single_create_chunksize_plus_1_bytes(self):
self._test_create(self.stgpol, self.chunk_size + 1)
def _new_content(self, stgpol, data, broken_pos_list=[]):
old_content = self.content_factory.new(
self.container_id, self.content, len(data), stgpol)
old_content.create(BytesIO(data))
broken_chunks_info = {}
for pos, idx in broken_pos_list:
c = old_content.chunks.filter(pos=pos)[idx]
meta, stream = self.blob_client.chunk_get(c.url)
if pos not in broken_chunks_info:
broken_chunks_info[pos] = {}
broken_chunks_info[pos][idx] = {
"url": c.url,
"id": c.id,
"hash": c.checksum,
"dl_meta": meta,
"dl_hash": md5_stream(stream)
}
self.blob_client.chunk_delete(c.url)
# get the new structure of the uploaded content
return (self.content_factory.get(
self.container_id, old_content.content_id), broken_chunks_info)
def _rebuild_and_check(self, content, broken_chunks_info, full_rebuild_pos,
allow_frozen_container=False):
rebuild_pos, rebuild_idx = full_rebuild_pos
rebuild_chunk_info = broken_chunks_info[rebuild_pos][rebuild_idx]
content.rebuild_chunk(rebuild_chunk_info["id"],
allow_frozen_container=allow_frozen_container)
# get the new structure of the content
rebuilt_content = self.content_factory.get(self.container_id,
content.content_id)
# find the rebuilt chunk
for c in rebuilt_content.chunks.filter(pos=rebuild_pos):
if len(content.chunks.filter(id=c.id)) > 0:
# not the rebuilt chunk
# if this chunk is broken, it must not have been rebuilt
for b_c_i in broken_chunks_info[rebuild_pos].values():
if c.id == b_c_i["id"]:
with ExpectedException(NotFound):
_, _ = self.blob_client.chunk_get(c.url)
continue
meta, stream = self.blob_client.chunk_get(c.url)
self.assertEqual(meta["chunk_id"], c.id)
self.assertEqual(md5_stream(stream),
rebuild_chunk_info["dl_hash"])
self.assertEqual(c.checksum, rebuild_chunk_info["hash"])
self.assertThat(c.url, NotEquals(rebuild_chunk_info["url"]))
del meta["chunk_id"]
del rebuild_chunk_info["dl_meta"]["chunk_id"]
self.assertEqual(meta, rebuild_chunk_info["dl_meta"])
def _test_rebuild(self, stgpol, data_size, broken_pos_list,
full_rebuild_pos):
data = random_data(data_size)
content, broken_chunks_info = self._new_content(
stgpol, data, broken_pos_list)
self._rebuild_and_check(content, broken_chunks_info, full_rebuild_pos)
def test_2copies_content_0_byte_1broken_rebuild_pos_0_idx_0(self):
self._test_rebuild(self.stgpol_twocopies, 0, [(0, 0)], (0, 0))
def test_2copies_content_1_byte_1broken_rebuild_pos_0_idx_1(self):
self._test_rebuild(self.stgpol_twocopies, 1, [(0, 1)], (0, 1))
def test_3copies_content_chunksize_bytes_2broken_rebuild_pos_0_idx_1(self):
if len(self.conf['services']['rawx']) <= 3:
self.skipTest("Need more than 3 rawx")
self._test_rebuild(self.stgpol_threecopies, self.chunk_size,
[(0, 0), (0, 1)], (0, 1))
def test_3copies_content_2xchksize_bytes_2broken_rebuild_pos_1_idx_2(self):
self._test_rebuild(self.stgpol_threecopies, 2 * self.chunk_size,
[(1, 0), (1, 2)], (1, 2))
def test_2copies_content_0_byte_2broken_rebuild_pos_0_idx_0(self):
with ExpectedException(UnrecoverableContent):
self._test_rebuild(
self.stgpol_twocopies, 0, [(0, 0), (0, 1)], (0, 0))
def test_rebuild_chunk_in_frozen_container(self):
data = random_data(self.chunk_size)
content, broken_chunks_info = self._new_content(
self.stgpol_twocopies, data, [(0, 0)])
system = dict()
system['sys.status'] = str(OIO_DB_FROZEN)
self.container_client.container_set_properties(
self.account, self.container_name, None, system=system)
try:
full_rebuild_pos = (0, 0)
rebuild_pos, rebuild_idx = full_rebuild_pos
rebuild_chunk_info = broken_chunks_info[rebuild_pos][rebuild_idx]
self.assertRaises(ServiceBusy,
content.rebuild_chunk, rebuild_chunk_info["id"])
finally:
system['sys.status'] = str(OIO_DB_ENABLED)
self.container_client.container_set_properties(
self.account, self.container_name, None, system=system)
self._rebuild_and_check(content, broken_chunks_info, full_rebuild_pos,
allow_frozen_container=True)
def _test_fetch(self, stgpol, data_size, broken_pos_list):
data = random_data(data_size)
content, _ = self._new_content(stgpol, data, broken_pos_list)
fetched_data = "".join(content.fetch())
self.assertEqual(fetched_data, data)
for pos, idx in broken_pos_list:
# check nothing has been rebuilt
c = content.chunks.filter(pos=pos)[0]
self.assertRaises(NotFound, self.blob_client.chunk_delete, c.url)
def test_twocopies_fetch_content_0_byte_without_broken_chunks(self):
self._test_fetch(self.stgpol_twocopies, 0, [])
def test_twocopies_fetch_content_0_byte_with_broken_0_0(self):
self._test_fetch(self.stgpol_twocopies, 0, [(0, 0)])
def test_twocopies_fetch_content_1_byte_without_broken_chunks(self):
self._test_fetch(self.stgpol_twocopies, 1, [])
def test_twocopies_fetch_content_1_byte_with_broken_0_0(self):
self._test_fetch(self.stgpol_twocopies, 1, [(0, 0)])
def test_twocopies_fetch_chunksize_bytes_without_broken_chunks(self):
self._test_fetch(self.stgpol_twocopies, self.chunk_size, [])
def test_twocopies_fetch_2xchuksize_bytes_with_broken_0_0_and_1_0(self):
self._test_fetch(
self.stgpol_twocopies, self.chunk_size * 2, [(0, 0), (1, 0)])
def test_twocopies_fetch_content_chunksize_bytes_2_broken_chunks(self):
data = random_data(self.chunk_size)
content, _ = self._new_content(
self.stgpol_twocopies, data, [(0, 0), (0, 1)])
gen = content.fetch()
self.assertRaises(UnrecoverableContent, gen.next)
def test_single_fetch_content_1_byte_without_broken_chunks(self):
self._test_fetch(self.stgpol, 1, [])
def test_single_fetch_chunksize_bytes_plus_1_without_broken_chunk(self):
self._test_fetch(self.stgpol, self.chunk_size * 2, [])
class TestECContent(BaseTestCase):
def setUp(self):
super(TestECContent, self).setUp()
if len(self.conf['services']['rawx']) < 12:
self.skipTest("Not enough rawx. "
"EC tests needs at least 12 rawx to run")
self.namespace = self.conf['namespace']
self.account = self.conf['account']
self.chunk_size = self.conf['chunk_size']
self.gridconf = {"namespace": self.namespace}
self.content_factory = ContentFactory(self.gridconf)
self.container_client = ContainerClient(self.gridconf)
self.blob_client = BlobClient()
self.container_name = "TestECContent%f" % time.time()
self.container_client.container_create(acct=self.account,
ref=self.container_name)
self.container_id = cid_from_name(self.account,
self.container_name).upper()
self.content = random_str(64)
self.stgpol = "EC"
self.size = 1024*1024 + 320
self.k = 6
self.m = 3
def tearDown(self):
super(TestECContent, self).tearDown()
def random_chunks(self, nb):
l = random.sample(xrange(self.k + self.m), nb)
return ["0.%s" % i for i in l]
def _test_create(self, data_size):
# generate random test data
data = random_data(data_size)
# using factory create new EC content
content = self.content_factory.new(
self.container_id, self.content, len(data), self.stgpol)
# verify the factory gave us an ECContent
self.assertEqual(type(content), ECContent)
# perform the content creation
content.create(StringIO(data))
meta, chunks = self.container_client.content_show(
cid=self.container_id, content=content.content_id)
# verify metadata
chunks = ChunksHelper(chunks)
self.assertEqual(meta['hash'], md5_data(data))
self.assertEqual(meta['length'], str(len(data)))
self.assertEqual(meta['policy'], self.stgpol)
self.assertEqual(meta['name'], self.content)
metachunk_nb = int(math.ceil(float(len(data)) / self.chunk_size)) \
if len(data) != 0 else 1
# verify each metachunk
for metapos in range(metachunk_nb):
chunks_at_pos = content.chunks.filter(metapos=metapos)
for chunk in chunks_at_pos:
meta, stream = self.blob_client.chunk_get(chunk.url)
self.assertEqual(meta['metachunk_size'], str(chunk.size))
self.assertEqual(meta['metachunk_hash'], chunk.checksum)
self.assertEqual(meta['content_path'], self.content)
self.assertEqual(meta['container_id'], self.container_id)
self.assertEqual(meta['content_id'], meta['content_id'])
self.assertEqual(meta['chunk_id'], chunk.id)
self.assertEqual(meta['chunk_pos'], chunk.pos)
self.assertEqual(meta['chunk_hash'], md5_stream(stream))
def test_create_0_byte(self):
self._test_create(0)
def test_create_1_byte(self):
self._test_create(1)
def test_create(self):
self._test_create(DAT_LEGIT_SIZE)
def _test_rebuild(self, data_size, broken_pos_list):
# generate test data
data = os.urandom(data_size)
# create initial content
old_content = self.content_factory.new(
self.container_id, self.content, len(data), self.stgpol)
# verify factory work as intended
self.assertEqual(type(old_content), ECContent)
# perform initial content creation
old_content.create(StringIO(data))
uploaded_content = self.content_factory.get(self.container_id,
old_content.content_id)
# break the content
old_info = {}
for pos in broken_pos_list:
old_info[pos] = {}
c = uploaded_content.chunks.filter(pos=pos)[0]
old_info[pos]["url"] = c.url
old_info[pos]["id"] = c.id
old_info[pos]["hash"] = c.checksum
chunk_id_to_rebuild = c.id
meta, stream = self.blob_client.chunk_get(c.url)
old_info[pos]["dl_meta"] = meta
old_info[pos]["dl_hash"] = md5_stream(stream)
# delete the chunk
self.blob_client.chunk_delete(c.url)
# rebuild the broken chunks
uploaded_content.rebuild_chunk(chunk_id_to_rebuild)
rebuilt_content = self.content_factory.get(self.container_id,
uploaded_content.content_id)
# sanity check
self.assertEqual(type(rebuilt_content), ECContent)
# verify rebuild result
for pos in broken_pos_list:
c = rebuilt_content.chunks.filter(pos=pos)[0]
rebuilt_meta, rebuilt_stream = self.blob_client.chunk_get(c.url)
self.assertEqual(rebuilt_meta["chunk_id"], c.id)
self.assertEqual(md5_stream(rebuilt_stream),
old_info[pos]["dl_hash"])
self.assertEqual(c.checksum, old_info[pos]["hash"])
self.assertNotEqual(c.url, old_info[pos]["url"])
del old_info[pos]["dl_meta"]["chunk_id"]
del rebuilt_meta["chunk_id"]
self.assertEqual(rebuilt_meta, old_info[pos]["dl_meta"])
def test_content_0_byte_rebuild(self):
self._test_rebuild(0, self.random_chunks(1))
def test_content_0_byte_rebuild_advanced(self):
self._test_rebuild(0, self.random_chunks(3))
def test_content_1_byte_rebuild(self):
self._test_rebuild(1, self.random_chunks(1))
def test_content_1_byte_rebuild_advanced(self):
self._test_rebuild(1, self.random_chunks(3))
def test_content_rebuild(self):
self._test_rebuild(DAT_LEGIT_SIZE, self.random_chunks(1))
def test_content_rebuild_advanced(self):
self._test_rebuild(DAT_LEGIT_SIZE, self.random_chunks(3))
def test_content_rebuild_unrecoverable(self):
self.assertRaises(
UnrecoverableContent, self._test_rebuild, DAT_LEGIT_SIZE,
self.random_chunks(4))
def _new_content(self, data, broken_pos_list=[]):
old_content = self.content_factory.new(
self.container_id, self.content, len(data), self.stgpol)
self.assertEqual(type(old_content), ECContent)
old_content.create(StringIO(data))
# break content
for pos in broken_pos_list:
c = old_content.chunks.filter(pos=pos)[0]
self.blob_client.chunk_delete(c.url)
# get the new structure of the uploaded content
return self.content_factory.get(self.container_id,
old_content.content_id)
def test_orphan_chunk(self):
content = self._new_content(random_data(10))
self.assertRaises(OrphanChunk, content.rebuild_chunk, "invalid")
def _test_fetch(self, data_size, broken_pos_list=None):
broken_pos_list = broken_pos_list or []
test_data = random_data(data_size)
content = self._new_content(test_data, broken_pos_list)
data = "".join(content.fetch())
self.assertEqual(len(data), len(test_data))
self.assertEqual(md5_data(data), md5_data(test_data))
# verify that chunks are broken
for pos in broken_pos_list:
chunk = content.chunks.filter(pos=pos)[0]
self.assertRaises(
NotFound, self.blob_client.chunk_delete, chunk.url)
def test_fetch_content_0_byte(self):
self._test_fetch(0)
def test_fetch_content_1_byte(self):
self._test_fetch(1)
def test_fetch_content(self):
self._test_fetch(DAT_LEGIT_SIZE)
def test_fetch_content_0_byte_broken(self):
self._test_fetch(0, self.random_chunks(3))
def test_fetch_content_1_byte_broken(self):
self._test_fetch(1, self.random_chunks(3))
def test_fetch_content_broken(self):
self._test_fetch(DAT_LEGIT_SIZE, self.random_chunks(3))
def test_fetch_content_unrecoverable(self):
broken_chunks = self.random_chunks(4)
self.assertRaises(
OioException, self._test_fetch, DAT_LEGIT_SIZE, broken_chunks)
