class TestRdirClient(BaseTestCase):
def setUp(self):
super(TestRdirClient, self).setUp()
self.namespace = self.conf['namespace']
self.rdir_client = RdirClient({'namespace': self.namespace})
self.rdir_client._get_rdir_addr = Mock(return_value="0.1.2.3:4567")
def tearDown(self):
super(TestRdirClient, self).tearDown()
del self.rdir_client
def test_fetch_one_req_post(self):
self.rdir_client._direct_request = Mock(
side_effect=[
(
Mock(),
[
["container1|content1|chunk1", {'mtime': 10}],
["container2|content2|chunk2", {'mtime': 20}]
]
)
])
gen = self.rdir_client.chunk_fetch("volume", limit=2)
self.assertEqual(gen.next(),
("container1", "content1", "chunk1", {'mtime': 10}))
self.assertEqual(gen.next(),
("container2", "content2", "chunk2", {'mtime': 20}))
self.assertRaises(StopIteration, gen.next)
self.assertEqual(self.rdir_client._direct_request.call_count, 2)
def test_fetch_multi_req(self):
self.rdir_client._direct_request = Mock(
side_effect=[
(
Mock(),
[
["container1|content1|chunk1", {'mtime': 10}],
["container2|content2|chunk2", {'mtime': 20}]
]
),
(
Mock(),
[
["container3|content3|chunk3", {'mtime': 30}]
]
)
])
gen = self.rdir_client.chunk_fetch("volume", limit=2)
# print(gen.next())
# print(gen.next())
# print(gen.next())
self.assertEqual(gen.next(),
("container1", "content1", "chunk1", {'mtime': 10}))
self.assertEqual(gen.next(),
("container2", "content2", "chunk2", {'mtime': 20}))
self.assertEqual(gen.next(),
("container3", "content3", "chunk3", {'mtime': 30}))
self.assertRaises(StopIteration, gen.next)
self.assertEqual(self.rdir_client._direct_request.call_count, 3)
class TestRdirClient(BaseTestCase):
def setUp(self):
super(TestRdirClient, self).setUp()
self.namespace = self.conf["namespace"]
self.rdir_client = RdirClient({"namespace": self.namespace})
self.rdir_client._get_rdir_addr = Mock(return_value="0.1.2.3:4567")
self.container_id_1 = random_id(64)
self.container_id_2 = random_id(64)
self.container_id_3 = random_id(64)
self.content_id_1 = random_id(32)
self.content_id_2 = random_id(32)
self.content_id_3 = random_id(32)
self.chunk_id_1 = random_id(64)
self.chunk_id_2 = random_id(64)
self.chunk_id_3 = random_id(64)
def tearDown(self):
super(TestRdirClient, self).tearDown()
del self.rdir_client
def test_fetch_one_req_post(self):
self.rdir_client._direct_request = Mock(
side_effect=[
(
Mock(),
[
["%s|%s|%s" % (self.container_id_1, self.content_id_1, self.chunk_id_1), {"mtime": 10}],
["%s|%s|%s" % (self.container_id_2, self.content_id_2, self.chunk_id_2), {"mtime": 20}],
],
)
]
)
gen = self.rdir_client.chunk_fetch("volume", limit=2)
self.assertEqual(gen.next(), (self.container_id_1, self.content_id_1, self.chunk_id_1, {"mtime": 10}))
self.assertEqual(gen.next(), (self.container_id_2, self.content_id_2, self.chunk_id_2, {"mtime": 20}))
self.assertRaises(StopIteration, gen.next)
self.assertEqual(self.rdir_client._direct_request.call_count, 2)
def test_fetch_multi_req(self):
self.rdir_client._direct_request = Mock(
side_effect=[
(
Mock(),
[
["%s|%s|%s" % (self.container_id_1, self.content_id_1, self.chunk_id_1), {"mtime": 10}],
["%s|%s|%s" % (self.container_id_2, self.content_id_2, self.chunk_id_2), {"mtime": 20}],
],
),
(Mock(), [["%s|%s|%s" % (self.container_id_3, self.content_id_3, self.chunk_id_3), {"mtime": 30}]]),
]
)
gen = self.rdir_client.chunk_fetch("volume", limit=2)
self.assertEqual(gen.next(), (self.container_id_1, self.content_id_1, self.chunk_id_1, {"mtime": 10}))
self.assertEqual(gen.next(), (self.container_id_2, self.content_id_2, self.chunk_id_2, {"mtime": 20}))
self.assertEqual(gen.next(), (self.container_id_3, self.content_id_3, self.chunk_id_3, {"mtime": 30}))
self.assertRaises(StopIteration, gen.next)
self.assertEqual(self.rdir_client._direct_request.call_count, 3)
class TestRdirClient(BaseTestCase):
def setUp(self):
super(TestRdirClient, self).setUp()
self.namespace = self.conf['namespace']
self.rdir_client = RdirClient({'namespace': self.namespace})
self.rdir_client._get_rdir_addr = Mock(return_value="0.1.2.3:4567")
def tearDown(self):
super(TestRdirClient, self).tearDown()
del self.rdir_client
def test_fetch_one_req_post(self):
self.rdir_client._direct_request = Mock(
side_effect=[(Mock(),
[["container1|content1|chunk1", {
'mtime': 10
}], ["container2|content2|chunk2", {
'mtime': 20
}]])])
gen = self.rdir_client.chunk_fetch("volume", limit=2)
self.assertEqual(gen.next(), ("container1", "content1", "chunk1", {
'mtime': 10
}))
self.assertEqual(gen.next(), ("container2", "content2", "chunk2", {
'mtime': 20
}))
self.assertRaises(StopIteration, gen.next)
self.assertEqual(self.rdir_client._direct_request.call_count, 2)
def test_fetch_multi_req(self):
self.rdir_client._direct_request = Mock(side_effect=[(
Mock(), [["container1|content1|chunk1", {
'mtime': 10
}], ["container2|content2|chunk2", {
'mtime': 20
}]]), (Mock(), [["container3|content3|chunk3", {
'mtime': 30
}]])])
gen = self.rdir_client.chunk_fetch("volume", limit=2)
# print(gen.next())
# print(gen.next())
# print(gen.next())
self.assertEqual(gen.next(), ("container1", "content1", "chunk1", {
'mtime': 10
}))
self.assertEqual(gen.next(), ("container2", "content2", "chunk2", {
'mtime': 20
}))
self.assertEqual(gen.next(), ("container3", "content3", "chunk3", {
'mtime': 30
}))
self.assertRaises(StopIteration, gen.next)
self.assertEqual(self.rdir_client._direct_request.call_count, 3)
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'))
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'))
class TestIndexerCrawler(BaseTestCase):
def setUp(self):
super(TestIndexerCrawler, self).setUp()
self.namespace = self.conf['namespace']
self.gridconf = {"namespace": self.namespace}
self.rdir_client = RdirClient(self.gridconf)
def tearDown(self):
super(TestIndexerCrawler, self).tearDown()
def _create_chunk(self, rawx_path):
container_id = generate_id(64)
content_id = generate_id(64)
chunk_id = generate_id(64)
chunk_dir = "%s/%s" % (rawx_path, chunk_id[0:2])
if not os.path.isdir(chunk_dir):
os.makedirs(chunk_dir)
chunk_path = "%s/%s" % (chunk_dir, chunk_id)
with open(chunk_path, "w") as f:
f.write("toto")
xattr.setxattr(chunk_path, 'user.grid.chunk.hash', 32 * '0')
xattr.setxattr(chunk_path, 'user.grid.chunk.id', chunk_id)
xattr.setxattr(chunk_path, 'user.grid.chunk.position', '0')
xattr.setxattr(chunk_path, 'user.grid.chunk.size', '4')
xattr.setxattr(chunk_path, 'user.grid.content.container', container_id)
xattr.setxattr(chunk_path, 'user.grid.content.id', content_id)
xattr.setxattr(chunk_path, 'user.grid.content.nbchunk', '1')
xattr.setxattr(chunk_path, 'user.grid.content.path', 'toto')
xattr.setxattr(chunk_path, 'user.grid.content.size', '4')
xattr.setxattr(chunk_path, 'user.grid.content.mime_type',
'application/octet-stream')
xattr.setxattr(chunk_path, 'user.grid.content.storage_policy',
'TESTPOLICY')
xattr.setxattr(chunk_path, 'user.grid.content.chunk_method', 'bytes')
xattr.setxattr(chunk_path, 'user.grid.content.version', '0')
return chunk_path, container_id, content_id, chunk_id
def _rdir_get(self, rawx_addr, container_id, content_id, chunk_id):
data = self.rdir_client.chunk_fetch(rawx_addr)
key = (container_id, content_id, chunk_id)
for i_container, i_content, i_chunk, i_value in data:
if (i_container, i_content, i_chunk) == key:
return i_value
return None
def test_index_chunk(self):
rawx_conf = self.conf['rawx'][0]
# create a fake chunk
chunk_path, container_id, content_id, chunk_id = self._create_chunk(
rawx_conf['path'])
# index the chunk
indexer = BlobIndexerWorker(self.gridconf, None, rawx_conf['path'])
with mock.patch('oio.blob.indexer.time.time',
mock.MagicMock(return_value=1234)):
indexer.update_index(chunk_path)
# check rdir
check_value = self._rdir_get(rawx_conf['addr'], container_id,
content_id, chunk_id)
self.assertIsNotNone(check_value)
self.assertEqual(check_value['content_nbchunks'], 1)
self.assertEqual(check_value['chunk_hash'], 32 * '0')
self.assertEqual(check_value['content_size'], 4)
self.assertEqual(check_value['content_path'], 'toto')
self.assertEqual(check_value['chunk_position'], '0')
self.assertEqual(check_value['chunk_size'], 4)
self.assertEqual(check_value['mtime'], 1234)
self.assertEqual(check_value['content_version'], 0)
# index a chunk already indexed
with mock.patch('oio.blob.indexer.time.time',
mock.MagicMock(return_value=4567)):
indexer.update_index(chunk_path)
# check rdir
check_value = self._rdir_get(rawx_conf['addr'], container_id,
content_id, chunk_id)
self.assertIsNotNone(check_value)
self.assertEqual(check_value['mtime'], 4567)
def test_index_chunk_missing_xattr(self):
rawx_conf = self.conf['rawx'][0]
# create a fake chunk
chunk_path, container_id, content_id, chunk_id = self._create_chunk(
rawx_conf['path'])
# remove mandatory xattr
xattr.removexattr(chunk_path, 'user.grid.chunk.hash')
# try to index the chunk
indexer = BlobIndexerWorker(self.gridconf, None, rawx_conf['path'])
self.assertRaises(FaultyChunk, indexer.update_index, chunk_path)
class TestIndexerCrawler(BaseTestCase):
def setUp(self):
super(TestIndexerCrawler, self).setUp()
self.namespace = self.conf['namespace']
self.gridconf = {"namespace": self.namespace}
self.rdir_client = RdirClient(self.gridconf)
def tearDown(self):
super(TestIndexerCrawler, self).tearDown()
def _create_chunk(self, rawx_path):
container_id = generate_id(64)
content_id = generate_id(64)
chunk_id = generate_id(64)
chunk_dir = "%s/%s" % (rawx_path, chunk_id[0:2])
if not os.path.isdir(chunk_dir):
os.makedirs(chunk_dir)
chunk_path = "%s/%s" % (chunk_dir, chunk_id)
with open(chunk_path, "w") as f:
f.write("toto")
xattr.setxattr(chunk_path, 'user.grid.chunk.hash', 32 * '0')
xattr.setxattr(chunk_path, 'user.grid.chunk.id', chunk_id)
xattr.setxattr(chunk_path, 'user.grid.chunk.position', '0')
xattr.setxattr(chunk_path, 'user.grid.chunk.size', '4')
xattr.setxattr(chunk_path, 'user.grid.content.container', container_id)
xattr.setxattr(chunk_path, 'user.grid.content.id', content_id)
xattr.setxattr(chunk_path, 'user.grid.content.nbchunk', '1')
xattr.setxattr(chunk_path, 'user.grid.content.path', 'toto')
xattr.setxattr(chunk_path, 'user.grid.content.size', '4')
xattr.setxattr(chunk_path, 'user.grid.content.mime_type',
'application/octet-stream')
xattr.setxattr(chunk_path, 'user.grid.content.storage_policy',
'TESTPOLICY')
xattr.setxattr(chunk_path, 'user.grid.content.chunk_method',
'bytes')
xattr.setxattr(chunk_path, 'user.grid.content.version', '0')
return chunk_path, container_id, content_id, chunk_id
def _rdir_get(self, rawx_addr, container_id, content_id, chunk_id):
data = self.rdir_client.chunk_fetch(rawx_addr)
key = (container_id, content_id, chunk_id)
for i_container, i_content, i_chunk, i_value in data:
if (i_container, i_content, i_chunk) == key:
return i_value
return None
def test_index_chunk(self):
rawx_conf = self.conf['rawx'][0]
# create a fake chunk
chunk_path, container_id, content_id, chunk_id = self._create_chunk(
rawx_conf['path'])
# index the chunk
indexer = BlobIndexerWorker(self.gridconf, None, rawx_conf['path'])
with mock.patch('oio.blob.indexer.time.time',
mock.MagicMock(return_value=1234)):
indexer.update_index(chunk_path)
# check rdir
check_value = self._rdir_get(rawx_conf['addr'], container_id,
content_id, chunk_id)
self.assertIsNotNone(check_value)
self.assertEqual(check_value['content_nbchunks'], 1)
self.assertEqual(check_value['chunk_hash'], 32 * '0')
self.assertEqual(check_value['content_size'], 4)
self.assertEqual(check_value['content_path'], 'toto')
self.assertEqual(check_value['chunk_position'], '0')
self.assertEqual(check_value['chunk_size'], 4)
self.assertEqual(check_value['mtime'], 1234)
self.assertEqual(check_value['content_version'], 0)
# index a chunk already indexed
with mock.patch('oio.blob.indexer.time.time',
mock.MagicMock(return_value=4567)):
indexer.update_index(chunk_path)
# check rdir
check_value = self._rdir_get(rawx_conf['addr'], container_id,
content_id, chunk_id)
self.assertIsNotNone(check_value)
self.assertEqual(check_value['mtime'], 4567)
def test_index_chunk_missing_xattr(self):
rawx_conf = self.conf['rawx'][0]
# create a fake chunk
chunk_path, container_id, content_id, chunk_id = self._create_chunk(
rawx_conf['path'])
# remove mandatory xattr
xattr.removexattr(chunk_path, 'user.grid.chunk.hash')
# try to index the chunk
indexer = BlobIndexerWorker(self.gridconf, None, rawx_conf['path'])
self.assertRaises(FaultyChunk, indexer.update_index, chunk_path)
class TestIndexerCrawler(BaseTestCase):
def setUp(self):
super(TestIndexerCrawler, self).setUp()
self.namespace = self.conf['namespace']
self.rawx_conf = self.conf['services']['rawx'][0]
self.conf = {
"namespace": self.namespace,
"volume": self.rawx_conf['path']
}
self.rdir_client = RdirClient(self.conf)
def tearDown(self):
super(TestIndexerCrawler, self).tearDown()
def _create_chunk(self, rawx_path, alias="toto"):
container_id = random_id(64)
content_id = random_id(32)
chunk_id = random_id(64)
chunk_dir = "%s/%s" % (rawx_path, chunk_id[0:3])
if not os.path.isdir(chunk_dir):
os.makedirs(chunk_dir)
chunk_path = "%s/%s" % (chunk_dir, chunk_id)
with open(chunk_path, "w") as f:
f.write("toto")
xattr.setxattr(chunk_path, 'user.' + chunk_xattr_keys['chunk_hash'],
32 * '0')
xattr.setxattr(chunk_path, 'user.' + chunk_xattr_keys['chunk_id'],
chunk_id)
xattr.setxattr(chunk_path, 'user.' + chunk_xattr_keys['chunk_pos'],
'0')
xattr.setxattr(chunk_path, 'user.' + chunk_xattr_keys['chunk_size'],
'4')
xattr.setxattr(chunk_path, 'user.' + chunk_xattr_keys['container_id'],
container_id)
xattr.setxattr(chunk_path, 'user.' + chunk_xattr_keys['content_id'],
content_id)
xattr.setxattr(chunk_path, 'user.' + chunk_xattr_keys['content_path'],
alias)
xattr.setxattr(chunk_path,
'user.' + chunk_xattr_keys['content_policy'],
'TESTPOLICY')
xattr.setxattr(chunk_path,
'user.' + chunk_xattr_keys['content_chunkmethod'],
'plain/nb_copy=3')
xattr.setxattr(chunk_path,
'user.' + chunk_xattr_keys['content_version'], '0')
xattr.setxattr(chunk_path, 'user.' + chunk_xattr_keys['oio_version'],
OIO_VERSION)
return chunk_path, container_id, content_id, chunk_id
def _rdir_get(self, rawx_addr, container_id, content_id, chunk_id):
data = self.rdir_client.chunk_fetch(rawx_addr)
key = (container_id, content_id, chunk_id)
for i_container, i_content, i_chunk, i_value in data:
if (i_container, i_content, i_chunk) == key:
return i_value
return None
def _test_index_chunk(self, alias="toto"):
# create a fake chunk
chunk_path, container_id, content_id, chunk_id = self._create_chunk(
self.rawx_conf['path'], alias)
# index the chunk
indexer = BlobIndexer(self.conf)
with mock.patch('oio.blob.indexer.time.time',
mock.MagicMock(return_value=1234)):
indexer.update_index(chunk_path)
# check rdir
check_value = self._rdir_get(self.rawx_conf['addr'], container_id,
content_id, chunk_id)
self.assertIsNotNone(check_value)
self.assertEqual(check_value['mtime'], 1234)
# index a chunk already indexed
with mock.patch('oio.blob.indexer.time.time',
mock.MagicMock(return_value=4567)):
indexer.update_index(chunk_path)
# check rdir
check_value = self._rdir_get(self.rawx_conf['addr'], container_id,
content_id, chunk_id)
self.assertIsNotNone(check_value)
self.assertEqual(check_value['mtime'], 4567)
def test_index_chunk(self):
return self._test_index_chunk()
def test_index_unicode_chunk(self):
return self._test_index_chunk('a%%%s%d%xà ç"\r\n{0}€ 1+1=2/\\$\t_')
def test_index_chunk_missing_xattr(self):
# create a fake chunk
chunk_path, container_id, content_id, chunk_id = self._create_chunk(
self.rawx_conf['path'])
# remove mandatory xattr
xattr.removexattr(chunk_path,
'user.' + chunk_xattr_keys['container_id'])
# try to index the chunk
indexer = BlobIndexer(self.conf)
self.assertRaises(FaultyChunk, indexer.update_index, chunk_path)
os.remove(chunk_path)
class TestRdirClient(BaseTestCase):
@classmethod
def setUpClass(cls):
super(TestRdirClient, cls).setUpClass()
cls._service('@indexer', 'stop')
@classmethod
def tearDownClass(cls):
super(TestRdirClient, cls).tearDownClass()
cls._service('@indexer', 'start')
def _push_chunks(self):
max_mtime = 16
self.incident_date = random.randrange(2, max_mtime - 1)
expected_entries = list()
for _ in range(4):
cid = random_id(64)
for _ in range(random.randrange(2, 5)):
content_id = random_id(32)
for _ in range(random.randrange(2, 5)):
chunk_id = random_id(63)
mtime = random.randrange(0, max_mtime + 1)
if mtime <= self.incident_date:
chunk_id += '0'
else:
chunk_id += '1'
self.rdir.chunk_push(self.rawx_id,
cid,
content_id,
chunk_id,
mtime=mtime)
entry = (cid, content_id, chunk_id, {'mtime': mtime})
expected_entries.append(entry)
self.expected_entries = sorted(expected_entries)
def setUp(self):
super(TestRdirClient, self).setUp()
self.rawx_conf = random.choice(self.conf['services']['rawx'])
self.rawx_id = self.rawx_conf.get('service_id', self.rawx_conf['addr'])
self.rdir = RdirClient(self.conf)
self.rdir.admin_clear(self.rawx_id, clear_all=True)
self._push_chunks()
self.rdir._direct_request = Mock(side_effect=self.rdir._direct_request)
def _assert_chunk_fetch(self, expected_entries, entries, limit=0):
self.assertListEqual(expected_entries, list(entries))
nb_requests = 1
if limit > 0 and len(expected_entries) > 0:
nb_requests = int(math.ceil(len(expected_entries) / float(limit)))
self.assertEqual(nb_requests, self.rdir._direct_request.call_count)
self.rdir._direct_request.reset_mock()
def test_chunk_fetch(self):
entries = self.rdir.chunk_fetch(self.rawx_id)
self._assert_chunk_fetch(self.expected_entries, entries)
def test_chunk_fetch_with_limit(self):
entries = self.rdir.chunk_fetch(self.rawx_id, limit=2)
self._assert_chunk_fetch(self.expected_entries, entries, limit=2)
def test_chunk_fetch_with_container_id(self):
cid = random.choice(self.expected_entries)[0]
expected_entries_cid = [
entry for entry in self.expected_entries if entry[0] == cid
]
entries = self.rdir.chunk_fetch(self.rawx_id, container_id=cid)
self._assert_chunk_fetch(expected_entries_cid, entries)
def test_chunk_fetch_with_container_id_limit(self):
cid = random.choice(self.expected_entries)[0]
expected_entries_cid = [
entry for entry in self.expected_entries if entry[0] == cid
]
entries = self.rdir.chunk_fetch(self.rawx_id,
container_id=cid,
limit=2)
self._assert_chunk_fetch(expected_entries_cid, entries, limit=2)
def test_chunk_fetch_with_start_after(self):
start_after_index = random.randrange(0, len(self.expected_entries))
start_after = '|'.join(self.expected_entries[start_after_index][:3])
entries = self.rdir.chunk_fetch(self.rawx_id, start_after=start_after)
self._assert_chunk_fetch(self.expected_entries[start_after_index + 1:],
entries)
def test_chunk_fetch_with_start_after_limit(self):
start_after_index = random.randrange(0, len(self.expected_entries))
start_after = '|'.join(self.expected_entries[start_after_index][:3])
entries = self.rdir.chunk_fetch(self.rawx_id,
start_after=start_after,
limit=2)
self._assert_chunk_fetch(self.expected_entries[start_after_index + 1:],
entries,
limit=2)
def test_chunk_fetch_with_start_after_container_id(self):
cid = random.choice(self.expected_entries)[0]
expected_entries_cid = [
entry for entry in self.expected_entries if entry[0] == cid
]
start_after_index = random.randrange(0, len(expected_entries_cid))
start_after = '|'.join(expected_entries_cid[start_after_index][:3])
entries = self.rdir.chunk_fetch(self.rawx_id,
start_after=start_after,
container_id=cid)
self._assert_chunk_fetch(expected_entries_cid[start_after_index + 1:],
entries)
def test_chunk_fetch_with_start_after_container_id_limit(self):
cid = random.choice(self.expected_entries)[0]
expected_entries_cid = [
entry for entry in self.expected_entries if entry[0] == cid
]
start_after_index = random.randrange(0, len(expected_entries_cid))
start_after = '|'.join(expected_entries_cid[start_after_index][:3])
entries = self.rdir.chunk_fetch(self.rawx_id,
start_after=start_after,
container_id=cid,
limit=2)
self._assert_chunk_fetch(expected_entries_cid[start_after_index + 1:],
entries,
limit=2)
def test_chunk_fetch_with_rebuild_no_incident(self):
entries = self.rdir.chunk_fetch(self.rawx_id, rebuild=True)
self._assert_chunk_fetch(list(), entries)
def test_chunk_fetch_with_rebuild(self):
self.rdir.admin_incident_set(self.rawx_id, self.incident_date)
self.rdir._direct_request.reset_mock()
expected_entries_rebuild = [
entry for entry in self.expected_entries if entry[2][-1] == '0'
]
entries = self.rdir.chunk_fetch(self.rawx_id, rebuild=True)
self._assert_chunk_fetch(expected_entries_rebuild, entries)
def test_chunk_fetch_with_rebuild_limit(self):
self.rdir.admin_incident_set(self.rawx_id, self.incident_date)
self.rdir._direct_request.reset_mock()
expected_entries_rebuild = [
entry for entry in self.expected_entries if entry[2][-1] == '0'
]
entries = self.rdir.chunk_fetch(self.rawx_id, rebuild=True, limit=2)
self._assert_chunk_fetch(expected_entries_rebuild, entries, limit=2)
def test_chunk_fetch_with_rebuild_container_id(self):
self.rdir.admin_incident_set(self.rawx_id, self.incident_date)
self.rdir._direct_request.reset_mock()
expected_entries_rebuild = [
entry for entry in self.expected_entries if entry[2][-1] == '0'
]
cid = random.choice(self.expected_entries)[0]
expected_entries_rebuild_cid = \
[entry for entry in expected_entries_rebuild
if entry[0] == cid]
entries = self.rdir.chunk_fetch(self.rawx_id,
rebuild=True,
container_id=cid)
self._assert_chunk_fetch(expected_entries_rebuild_cid, entries)
def test_chunk_fetch_with_rebuild_start_after(self):
self.rdir.admin_incident_set(self.rawx_id, self.incident_date)
self.rdir._direct_request.reset_mock()
expected_entries_rebuild = [
entry for entry in self.expected_entries if entry[2][-1] == '0'
]
if expected_entries_rebuild:
start_after_index = random.randrange(0,
len(expected_entries_rebuild))
start_after = '|'.join(
expected_entries_rebuild[start_after_index][:3])
else:
start_after_index = 0
start_after = '|'.join(
(random_id(64), random_id(32), random_id(64)))
entries = self.rdir.chunk_fetch(self.rawx_id,
rebuild=True,
start_after=start_after)
self._assert_chunk_fetch(
expected_entries_rebuild[start_after_index + 1:], entries)
def test_chunk_fetch_with_rebuild_contaier_id_limit(self):
self.rdir.admin_incident_set(self.rawx_id, self.incident_date)
self.rdir._direct_request.reset_mock()
expected_entries_rebuild = [
entry for entry in self.expected_entries if entry[2][-1] == '0'
]
cid = random.choice(self.expected_entries)[0]
expected_entries_rebuild_cid = \
[entry for entry in expected_entries_rebuild
if entry[0] == cid]
entries = self.rdir.chunk_fetch(self.rawx_id,
rebuild=True,
container_id=cid,
limit=2)
self._assert_chunk_fetch(expected_entries_rebuild_cid,
entries,
limit=2)
def test_chunk_fetch_with_rebuild_container_id_start_after(self):
self.rdir.admin_incident_set(self.rawx_id, self.incident_date)
self.rdir._direct_request.reset_mock()
expected_entries_rebuild = [
entry for entry in self.expected_entries if entry[2][-1] == '0'
]
cid = random.choice(self.expected_entries)[0]
expected_entries_rebuild_cid = \
[entry for entry in expected_entries_rebuild
if entry[0] == cid]
if expected_entries_rebuild_cid:
start_after_index = random.randrange(
0, len(expected_entries_rebuild_cid))
start_after = '|'.join(
expected_entries_rebuild_cid[start_after_index][:3])
else:
start_after_index = 0
start_after = '|'.join(
(random_id(64), random_id(32), random_id(64)))
entries = self.rdir.chunk_fetch(self.rawx_id,
rebuild=True,
container_id=cid,
start_after=start_after)
self._assert_chunk_fetch(
expected_entries_rebuild_cid[start_after_index + 1:], entries)
def test_chunk_fetch_with_rebuild_start_after_limit(self):
self.rdir.admin_incident_set(self.rawx_id, self.incident_date)
self.rdir._direct_request.reset_mock()
expected_entries_rebuild = [
entry for entry in self.expected_entries if entry[2][-1] == '0'
]
if expected_entries_rebuild:
start_after_index = random.randrange(0,
len(expected_entries_rebuild))
start_after = '|'.join(
expected_entries_rebuild[start_after_index][:3])
else:
start_after_index = 0
start_after = '|'.join(
(random_id(64), random_id(32), random_id(64)))
entries = self.rdir.chunk_fetch(self.rawx_id,
rebuild=True,
start_after=start_after,
limit=2)
self._assert_chunk_fetch(expected_entries_rebuild[start_after_index +
1:],
entries,
limit=2)
def test_chunk_fetch_with_rebuild_container_id_start_after_limit(self):
self.rdir.admin_incident_set(self.rawx_id, self.incident_date)
self.rdir._direct_request.reset_mock()
expected_entries_rebuild = [
entry for entry in self.expected_entries if entry[2][-1] == '0'
]
cid = random.choice(self.expected_entries)[0]
expected_entries_rebuild_cid = \
[entry for entry in expected_entries_rebuild
if entry[0] == cid]
if expected_entries_rebuild_cid:
start_after_index = random.randrange(
0, len(expected_entries_rebuild_cid))
start_after = '|'.join(
expected_entries_rebuild_cid[start_after_index][:3])
else:
start_after_index = 0
start_after = '|'.join(
(random_id(64), random_id(32), random_id(64)))
entries = self.rdir.chunk_fetch(self.rawx_id,
rebuild=True,
container_id=cid,
start_after=start_after,
limit=2)
self._assert_chunk_fetch(
expected_entries_rebuild_cid[start_after_index + 1:],
entries,
limit=2)
def _assert_chunk_status(self,
expected_entries,
status,
max=0,
incident=False):
expected_status = dict()
expected_status['chunk'] = {'total': len(expected_entries)}
expected_status['container'] = dict()
for entry in expected_entries:
expected_status['container'][entry[0]]['total'] = \
expected_status['container'].setdefault(
entry[0], dict()).get('total', 0) + 1
if incident:
expected_entries_rebuild = [
entry for entry in expected_entries if entry[2][-1] == '0'
]
expected_status['chunk']['to_rebuild'] = \
len(expected_entries_rebuild)
for entry in expected_entries_rebuild:
expected_status['container'][entry[0]]['to_rebuild'] = \
expected_status['container'][entry[0]].get(
'to_rebuild', 0) + 1
self.assertDictEqual(expected_status, status)
nb_requests = 1
if max > 0 and len(expected_entries) > 0:
nb_requests = int(math.ceil(len(expected_entries) / float(max)))
self.assertEqual(nb_requests, self.rdir._direct_request.call_count)
self.rdir._direct_request.reset_mock()
def test_chunk_status(self):
status = self.rdir.status(self.rawx_id)
self._assert_chunk_status(self.expected_entries, status)
def test_chunk_status_with_max(self):
status = self.rdir.status(self.rawx_id, max=2)
self._assert_chunk_status(self.expected_entries, status, max=2)
def test_chunk_status_with_prefix(self):
cid = random.choice(self.expected_entries)[0]
expected_entries_cid = [
entry for entry in self.expected_entries if entry[0] == cid
]
status = self.rdir.status(self.rawx_id, prefix=cid)
self._assert_chunk_status(expected_entries_cid, status)
def test_chunk_status_with_prefix_max(self):
cid = random.choice(self.expected_entries)[0]
expected_entries_cid = [
entry for entry in self.expected_entries if entry[0] == cid
]
status = self.rdir.status(self.rawx_id, prefix=cid, max=2)
self._assert_chunk_status(expected_entries_cid, status, max=2)
def test_chunk_status_with_marker(self):
marker_index = random.randrange(0, len(self.expected_entries))
marker = '|'.join(self.expected_entries[marker_index][:3])
status = self.rdir.status(self.rawx_id, marker=marker)
self._assert_chunk_status(self.expected_entries[marker_index + 1:],
status)
def test_chunk_status_with_marker_max(self):
marker_index = random.randrange(0, len(self.expected_entries))
marker = '|'.join(self.expected_entries[marker_index][:3])
status = self.rdir.status(self.rawx_id, marker=marker, max=2)
self._assert_chunk_status(self.expected_entries[marker_index + 1:],
status,
max=2)
def test_chunk_status_marker_prefix(self):
cid = random.choice(self.expected_entries)[0]
expected_entries_cid = [
entry for entry in self.expected_entries if entry[0] == cid
]
marker_index = random.randrange(0, len(expected_entries_cid))
marker = '|'.join(expected_entries_cid[marker_index][:3])
status = self.rdir.status(self.rawx_id, marker=marker, prefix=cid)
self._assert_chunk_status(expected_entries_cid[marker_index + 1:],
status)
def test_chunk_status_with_marker_prefix_max(self):
cid = random.choice(self.expected_entries)[0]
expected_entries_cid = [
entry for entry in self.expected_entries if entry[0] == cid
]
marker_index = random.randrange(0, len(expected_entries_cid))
marker = '|'.join(expected_entries_cid[marker_index][:3])
status = self.rdir.status(self.rawx_id,
marker=marker,
prefix=cid,
max=2)
self._assert_chunk_status(expected_entries_cid[marker_index + 1:],
status,
max=2)
def test_chunk_status_with_incident(self):
self.rdir.admin_incident_set(self.rawx_id, self.incident_date)
self.rdir._direct_request.reset_mock()
status = self.rdir.status(self.rawx_id)
self._assert_chunk_status(self.expected_entries, status, incident=True)
def test_chunk_status_with_incident_max(self):
self.rdir.admin_incident_set(self.rawx_id, self.incident_date)
self.rdir._direct_request.reset_mock()
status = self.rdir.status(self.rawx_id, max=2)
self._assert_chunk_status(self.expected_entries,
status,
incident=True,
max=2)
def test_chunk_status_with_incident_prefix(self):
self.rdir.admin_incident_set(self.rawx_id, self.incident_date)
self.rdir._direct_request.reset_mock()
cid = random.choice(self.expected_entries)[0]
expected_entries_cid = [
entry for entry in self.expected_entries if entry[0] == cid
]
status = self.rdir.status(self.rawx_id, prefix=cid)
self._assert_chunk_status(expected_entries_cid, status, incident=True)
def test_chunk_status_with_incident_prefix_max(self):
self.rdir.admin_incident_set(self.rawx_id, self.incident_date)
self.rdir._direct_request.reset_mock()
cid = random.choice(self.expected_entries)[0]
expected_entries_cid = [
entry for entry in self.expected_entries if entry[0] == cid
]
status = self.rdir.status(self.rawx_id, prefix=cid, max=2)
self._assert_chunk_status(expected_entries_cid,
status,
incident=True,
max=2)
def test_chunk_status_with_incident_marker(self):
self.rdir.admin_incident_set(self.rawx_id, self.incident_date)
self.rdir._direct_request.reset_mock()
marker_index = random.randrange(0, len(self.expected_entries))
marker = '|'.join(self.expected_entries[marker_index][:3])
status = self.rdir.status(self.rawx_id, marker=marker)
self._assert_chunk_status(self.expected_entries[marker_index + 1:],
status,
incident=True)
def test_chunk_status_with_incident_marker_max(self):
self.rdir.admin_incident_set(self.rawx_id, self.incident_date)
self.rdir._direct_request.reset_mock()
marker_index = random.randrange(0, len(self.expected_entries))
marker = '|'.join(self.expected_entries[marker_index][:3])
status = self.rdir.status(self.rawx_id, marker=marker, max=2)
self._assert_chunk_status(self.expected_entries[marker_index + 1:],
status,
incident=True,
max=2)
def test_chunk_status_with_incident_marker_prefix(self):
self.rdir.admin_incident_set(self.rawx_id, self.incident_date)
self.rdir._direct_request.reset_mock()
cid = random.choice(self.expected_entries)[0]
expected_entries_cid = [
entry for entry in self.expected_entries if entry[0] == cid
]
marker_index = random.randrange(0, len(expected_entries_cid))
marker = '|'.join(expected_entries_cid[marker_index][:3])
status = self.rdir.status(self.rawx_id, marker=marker, prefix=cid)
self._assert_chunk_status(expected_entries_cid[marker_index + 1:],
status,
incident=True)
def test_chunk_status_with_incident_marker_prefix_max(self):
self.rdir.admin_incident_set(self.rawx_id, self.incident_date)
self.rdir._direct_request.reset_mock()
cid = random.choice(self.expected_entries)[0]
expected_entries_cid = [
entry for entry in self.expected_entries if entry[0] == cid
]
marker_index = random.randrange(0, len(expected_entries_cid))
marker = '|'.join(expected_entries_cid[marker_index][:3])
status = self.rdir.status(self.rawx_id,
marker=marker,
prefix=cid,
max=2)
self._assert_chunk_status(expected_entries_cid[marker_index + 1:],
status,
incident=True,
max=2)
class BlobRebuilder(Tool):
"""
Rebuild chunks.
"""
DEFAULT_BEANSTALKD_WORKER_TUBE = 'oio-rebuild'
DEFAULT_DISTRIBUTED_BEANSTALKD_WORKER_TUBE = 'oio-rebuild'
DEFAULT_RDIR_FETCH_LIMIT = 100
DEFAULT_RDIR_TIMEOUT = 60.0
DEFAULT_ALLOW_FROZEN_CT = False
DEFAULT_ALLOW_SAME_RAWX = True
DEFAULT_TRY_CHUNK_DELETE = False
DEFAULT_DRY_RUN = False
def __init__(self, conf, input_file=None, service_id=None, **kwargs):
super(BlobRebuilder, self).__init__(conf, **kwargs)
# counters
self.bytes_processed = 0
self.total_bytes_processed = 0
# input
self.input_file = input_file
self.rawx_id = service_id
# rawx/rdir
self.rdir_client = RdirClient(self.conf, logger=self.logger)
self.rdir_fetch_limit = int_value(self.conf.get('rdir_fetch_limit'),
self.DEFAULT_RDIR_FETCH_LIMIT)
self.rdir_shuffle_chunks = true_value(conf.get('rdir_shuffle_chunks'))
self.rdir_timeout = float_value(conf.get('rdir_timeout'),
self.DEFAULT_RDIR_TIMEOUT)
@staticmethod
def items_from_task_event(task_event):
namespace = task_event['url']['ns']
container_id = task_event['url']['id']
content_id = task_event['url']['content']
for chunk_id_or_pos in task_event['data']['missing_chunks']:
yield namespace, container_id, content_id, str(chunk_id_or_pos)
@staticmethod
def task_event_from_item(item):
namespace, container_id, content_id, chunk_id_or_pos = item
return \
{
'when': time.time(),
'event': EventTypes.CONTENT_BROKEN,
'url': {
'ns': namespace,
'id': container_id,
'content': content_id
},
'data': {
'missing_chunks': [
chunk_id_or_pos
]
}
}
@staticmethod
def tasks_res_from_res_event(res_event):
namespace = res_event['url']['ns']
container_id = res_event['url']['id']
content_id = res_event['url']['content']
for chunk_rebuilt in res_event['data']['chunks_rebuilt']:
yield (namespace, container_id, content_id,
str(chunk_rebuilt['chunk_id_or_pos'])), \
chunk_rebuilt['bytes_processed'], chunk_rebuilt['error']
@staticmethod
def res_event_from_task_res(task_res):
item, bytes_processed, error = task_res
namespace, container_id, content_id, chunk_id_or_pos = item
return \
{
'when': time.time(),
'event': EventTypes.CONTENT_REBUILT,
'url': {
'ns': namespace,
'id': container_id,
'content': content_id
},
'data': {
'chunks_rebuilt': [{
'chunk_id_or_pos': chunk_id_or_pos,
'bytes_processed': bytes_processed,
'error': error
}]
}
}
@staticmethod
def string_from_item(item):
namespace, container_id, content_id, chunk_id_or_pos = item
return '%s|%s|%s|%s' % (namespace, container_id, content_id,
chunk_id_or_pos)
def _fetch_items_from_input_file(self):
with open(self.input_file, 'r') as ifile:
for line in ifile:
stripped = line.strip()
if not stripped or stripped.startswith('#'):
continue
container_id, content_id, chunk_id_or_pos = \
stripped.split('|', 3)[:3]
yield self.namespace, container_id, content_id, \
chunk_id_or_pos
def _fetch_items_from_rawx_id(self):
lost_chunks = self.rdir_client.chunk_fetch(
self.rawx_id,
limit=self.rdir_fetch_limit,
rebuild=True,
shuffle=self.rdir_shuffle_chunks,
timeout=self.rdir_timeout)
for container_id, content_id, chunk_id, _ in lost_chunks:
yield self.namespace, container_id, content_id, chunk_id
def _fetch_items(self):
if self.input_file:
return self._fetch_items_from_input_file()
if self.rawx_id:
return self._fetch_items_from_rawx_id()
def _empty_generator():
return
yield # pylint: disable=unreachable
return _empty_generator()
def update_counters(self, task_res):
super(BlobRebuilder, self).update_counters(task_res)
_, bytes_processed, _ = task_res
if bytes_processed is not None:
self.bytes_processed += bytes_processed
def _update_total_counters(self):
chunks_processed, total_chunks_processed, errors, total_errors = \
super(BlobRebuilder, self)._update_total_counters()
bytes_processed = self.bytes_processed
self.bytes_processed = 0
self.total_bytes_processed += bytes_processed
return chunks_processed, total_chunks_processed, \
bytes_processed, self.total_bytes_processed, \
errors, total_errors
def _get_report(self, status, end_time, counters):
chunks_processed, total_chunks_processed, \
bytes_processed, total_bytes_processed, \
errors, total_errors = counters
time_since_last_report = (end_time - self.last_report) or 0.00001
total_time = (end_time - self.start_time) or 0.00001
report = (
'%(status)s '
'last_report=%(last_report)s %(time_since_last_report).2fs '
'chunks=%(chunks)d %(chunks_rate).2f/s '
'bytes=%(bytes)d %(bytes_rate).2fB/s '
'errors=%(errors)d %(errors_rate).2f%% '
'start_time=%(start_time)s %(total_time).2fs '
'total_chunks=%(total_chunks)d %(total_chunks_rate).2f/s '
'total_bytes=%(total_bytes)d %(total_bytes_rate).2fB/s '
'total_errors=%(total_errors)d %(total_errors_rate).2f%%' % {
'status':
status,
'last_report':
datetime.fromtimestamp(int(self.last_report)).isoformat(),
'time_since_last_report':
time_since_last_report,
'chunks':
chunks_processed,
'chunks_rate':
chunks_processed / time_since_last_report,
'bytes':
bytes_processed,
'bytes_rate':
bytes_processed / time_since_last_report,
'errors':
errors,
'errors_rate':
100 * errors / float(chunks_processed or 1),
'start_time':
datetime.fromtimestamp(int(self.start_time)).isoformat(),
'total_time':
total_time,
'total_chunks':
total_chunks_processed,
'total_chunks_rate':
total_chunks_processed / total_time,
'total_bytes':
total_bytes_processed,
'total_bytes_rate':
total_bytes_processed / total_time,
'total_errors':
total_errors,
'total_errors_rate':
100 * total_errors / float(total_chunks_processed or 1)
})
if self.total_expected_items is not None:
progress = 100 * total_chunks_processed / \
float(self.total_expected_items or 1)
report += ' progress=%d/%d %.2f%%' % \
(total_chunks_processed, self.total_expected_items, progress)
return report
def create_worker(self, queue_workers, queue_reply):
return BlobRebuilderWorker(self, queue_workers, queue_reply)
def _load_total_expected_items(self):
if self.rawx_id:
try:
info = self.rdir_client.status(self.rawx_id,
read_timeout=self.rdir_timeout)
self.total_expected_items = info.get('chunk', dict()).get(
'to_rebuild', None)
except Exception as exc:
self.logger.warn(
'Failed to fetch the total chunks to rebuild: %s', exc)
def run(self):
if self.rawx_id:
self.rdir_client.admin_lock(self.rawx_id,
"rebuilder on %s" % gethostname(),
timeout=self.rdir_timeout)
success = super(BlobRebuilder, self).run()
if self.rawx_id:
self.rdir_client.admin_unlock(self.rawx_id,
timeout=self.rdir_timeout)
return success
class BlobRebuilderWorker(object):
def __init__(self, conf, logger, volume):
self.conf = conf
self.logger = logger or get_logger(conf)
self.volume = volume
self.run_time = 0
self.passes = 0
self.errors = 0
self.last_reported = 0
self.chunks_run_time = 0
self.bytes_running_time = 0
self.bytes_processed = 0
self.total_bytes_processed = 0
self.total_chunks_processed = 0
self.dry_run = true_value(
conf.get('dry_run', False))
self.report_interval = int_value(
conf.get('report_interval'), 3600)
self.max_chunks_per_second = int_value(
conf.get('chunks_per_second'), 30)
self.max_bytes_per_second = int_value(
conf.get('bytes_per_second'), 10000000)
self.rdir_fetch_limit = int_value(
conf.get('rdir_fetch_limit'), 100)
self.rdir_client = RdirClient(conf)
self.content_factory = ContentFactory(conf)
def rebuilder_pass_with_lock(self):
self.rdir_client.admin_lock(self.volume,
"rebuilder on %s" % gethostname())
try:
self.rebuilder_pass()
finally:
self.rdir_client.admin_unlock(self.volume)
def rebuilder_pass(self):
start_time = report_time = time.time()
total_errors = 0
rebuilder_time = 0
chunks = self.rdir_client.chunk_fetch(self.volume,
limit=self.rdir_fetch_limit,
rebuild=True)
for container_id, content_id, chunk_id, data in chunks:
loop_time = time.time()
if self.dry_run:
self.dryrun_chunk_rebuild(container_id, content_id, chunk_id)
else:
self.safe_chunk_rebuild(container_id, content_id, chunk_id)
self.chunks_run_time = ratelimit(
self.chunks_run_time,
self.max_chunks_per_second
)
self.total_chunks_processed += 1
now = time.time()
if now - self.last_reported >= self.report_interval:
self.logger.info(
'%(start_time)s '
'%(passes)d '
'%(errors)d '
'%(c_rate).2f '
'%(b_rate).2f '
'%(total).2f '
'%(rebuilder_time).2f'
'%(rebuilder_rate).2f' % {
'start_time': time.ctime(report_time),
'passes': self.passes,
'errors': self.errors,
'c_rate': self.passes / (now - report_time),
'b_rate': self.bytes_processed / (now - report_time),
'total': (now - start_time),
'rebuilder_time': rebuilder_time,
'rebuilder_rate': rebuilder_time / (now - start_time)
}
)
report_time = now
total_errors += self.errors
self.passes = 0
self.bytes_processed = 0
self.last_reported = now
rebuilder_time += (now - loop_time)
elapsed = (time.time() - start_time) or 0.000001
self.logger.info(
'%(elapsed).02f '
'%(errors)d '
'%(chunk_rate).2f '
'%(bytes_rate).2f '
'%(rebuilder_time).2f '
'%(rebuilder_rate).2f' % {
'elapsed': elapsed,
'errors': total_errors + self.errors,
'chunk_rate': self.total_chunks_processed / elapsed,
'bytes_rate': self.total_bytes_processed / elapsed,
'rebuilder_time': rebuilder_time,
'rebuilder_rate': rebuilder_time / elapsed
}
)
def dryrun_chunk_rebuild(self, container_id, content_id, chunk_id):
self.logger.info("[dryrun] Rebuilding "
"container %s, content %s, chunk %s",
container_id, content_id, chunk_id)
self.passes += 1
def safe_chunk_rebuild(self, container_id, content_id, chunk_id):
try:
self.chunk_rebuild(container_id, content_id, chunk_id)
except Exception as e:
self.errors += 1
self.logger.error('ERROR while rebuilding chunk %s|%s|%s) : %s',
container_id, content_id, chunk_id, e)
self.passes += 1
def chunk_rebuild(self, container_id, content_id, chunk_id):
self.logger.info('Rebuilding (container %s, content %s, chunk %s)',
container_id, content_id, chunk_id)
try:
content = self.content_factory.get(container_id, content_id)
except ContentNotFound:
raise exc.OrphanChunk('Content not found')
chunk = content.chunks.filter(id=chunk_id).one()
if chunk is None:
raise OrphanChunk("Chunk not found in content")
chunk_size = chunk.size
content.rebuild_chunk(chunk_id)
self.rdir_client.chunk_push(self.volume, container_id, content_id,
chunk_id, rtime=int(time.time()))
self.bytes_processed += chunk_size
self.total_bytes_processed += chunk_size
class TestIndexerCrawler(BaseTestCase):
def setUp(self):
super(TestIndexerCrawler, self).setUp()
self.namespace = self.conf['namespace']
self.rawx_conf = self.conf['services']['rawx'][0]
self.conf = {"namespace": self.namespace,
"volume": self.rawx_conf['path']}
self.rdir_client = RdirClient(self.conf)
def tearDown(self):
super(TestIndexerCrawler, self).tearDown()
def _create_chunk(self, rawx_path, alias="toto", suffix=''):
cname = random_str(8)
container_id = cid_from_name(self.account, cname)
content_id = random_id(32)
chunk_id = random_id(64)
chunk_dir = "%s/%s" % (rawx_path, chunk_id[0:3])
if not os.path.isdir(chunk_dir):
os.makedirs(chunk_dir)
chunk_path = "%s/%s%s" % (chunk_dir, chunk_id, suffix)
with open(chunk_path, "w") as chunk_file:
chunk_file.write("toto")
# pylint: disable=no-member
xattr.setxattr(
chunk_path, 'user.' + chunk_xattr_keys['chunk_hash'], 32 * '0')
xattr.setxattr(
chunk_path, 'user.' + chunk_xattr_keys['chunk_id'], chunk_id)
xattr.setxattr(
chunk_path, 'user.' + chunk_xattr_keys['chunk_pos'], '0')
xattr.setxattr(
chunk_path, 'user.' + chunk_xattr_keys['chunk_size'], '4')
xattr.setxattr(
chunk_path, 'user.' + chunk_xattr_keys['content_policy'],
'TESTPOLICY')
xattr.setxattr(
chunk_path, 'user.' + chunk_xattr_keys['content_chunkmethod'],
'plain/nb_copy=3')
xattr.setxattr(
chunk_path, 'user.' + chunk_xattr_keys['content_version'], '1')
# Old (oio-sds < 4.2) extended attributes
xattr.setxattr(
chunk_path, 'user.' + chunk_xattr_keys['container_id'],
container_id)
xattr.setxattr(
chunk_path, 'user.' + chunk_xattr_keys['content_id'], content_id)
xattr.setxattr(
chunk_path, 'user.' + chunk_xattr_keys['content_path'], alias)
# New (oio-sds >= 4.2) extended attributes
xattr.setxattr(
chunk_path, 'user.' + chunk_xattr_keys['oio_version'], OIO_VERSION)
fullpath = encode_fullpath(self.account, cname, alias, 1, content_id)
xattr.setxattr(
chunk_path,
'user.%s%s' % (CHUNK_XATTR_CONTENT_FULLPATH_PREFIX, chunk_id),
fullpath)
return chunk_path, container_id, content_id, chunk_id
def _get_service_id_or_addr(self):
return self.rawx_conf.get('service_id', self.rawx_conf['addr'])
def _rdir_get(self, rawx_addr, container_id, content_id, chunk_id):
data = self.rdir_client.chunk_fetch(rawx_addr)
key = (container_id, content_id, chunk_id)
for i_container, i_content, i_chunk, i_value in data:
if (i_container, i_content, i_chunk) == key:
return i_value
return None
def _test_index_chunk(self, alias="toto"):
# create a fake chunk
chunk_path, container_id, content_id, chunk_id = self._create_chunk(
self.rawx_conf['path'], alias)
# index the chunk
indexer = BlobIndexer(self.conf)
with mock.patch('oio.blob.indexer.time.time',
mock.MagicMock(return_value=1234)):
indexer.update_index(chunk_path, chunk_id)
# check rdir
check_value = self._rdir_get(self._get_service_id_or_addr(),
container_id, content_id, chunk_id)
self.assertIsNotNone(check_value)
self.assertEqual(check_value['mtime'], 1234)
# index a chunk already indexed
with mock.patch('oio.blob.indexer.time.time',
mock.MagicMock(return_value=4567)):
indexer.update_index(chunk_path, chunk_id)
# check rdir
check_value = self._rdir_get(self._get_service_id_or_addr(),
container_id, content_id, chunk_id)
self.assertIsNotNone(check_value)
self.assertEqual(check_value['mtime'], 4567)
def test_index_chunk(self):
return self._test_index_chunk()
def test_index_unicode_chunk(self):
return self._test_index_chunk('a%%%s%d%xà ç"\r\n{0}€ 1+1=2/\\$\t_')
def test_index_chunk_missing_xattr(self):
# create a fake chunk
chunk_path, container_id, content_id, chunk_id = self._create_chunk(
self.rawx_conf['path'])
# remove mandatory xattr
# pylint: disable=no-member
xattr.removexattr(
chunk_path, 'user.' + chunk_xattr_keys['chunk_pos'])
# try to index the chunk
indexer = BlobIndexer(self.conf)
self.assertRaises(FaultyChunk, indexer.update_index, chunk_path,
chunk_id)
os.remove(chunk_path)
def test_index_chunk_with_wrong_paths(self):
indexer = BlobIndexer(self.conf)
# try to index the chunks
indexer.index_pass()
successes = indexer.successes
errors = indexer.errors
# create fake chunks
chunk_path1, _, _, _ = self._create_chunk(
self.rawx_conf['path'], suffix=".pending")
chunk_path2, _, _, _ = self._create_chunk(
self.rawx_conf['path'][:-1] + 'G')
chunk_path3, _, _, _ = self._create_chunk(
self.rawx_conf['path'] + '0')
chunk_path4, _, _, _ = self._create_chunk(
self.rawx_conf['path'][:-1])
# try to index the chunks
indexer.index_pass()
# All chunks we have created have invalid names,
# the success count should not increase.
# The indexer should print a warning, and ignore them.
self.assertEqual(indexer.successes, successes)
self.assertEqual(indexer.errors, errors)
os.remove(chunk_path1)
os.remove(chunk_path2)
os.remove(chunk_path3)
os.remove(chunk_path4)
class RawxDecommissionJob(XcuteRdirJob):
JOB_TYPE = 'rawx-decommission'
TASK_CLASS = RawxDecommissionTask
DEFAULT_RAWX_TIMEOUT = 60.0
DEFAULT_MIN_CHUNK_SIZE = 0
DEFAULT_MAX_CHUNK_SIZE = 0
DEFAULT_USAGE_TARGET = 0
DEFAULT_USAGE_CHECK_INTERVAL = 60.0
@classmethod
def sanitize_params(cls, job_params):
sanitized_job_params, _ = super(RawxDecommissionJob,
cls).sanitize_params(job_params)
# specific configuration
service_id = job_params.get('service_id')
if not service_id:
raise ValueError('Missing service ID')
sanitized_job_params['service_id'] = service_id
sanitized_job_params['rawx_timeout'] = float_value(
job_params.get('rawx_timeout'), cls.DEFAULT_RAWX_TIMEOUT)
sanitized_job_params['min_chunk_size'] = int_value(
job_params.get('min_chunk_size'), cls.DEFAULT_MIN_CHUNK_SIZE)
sanitized_job_params['max_chunk_size'] = int_value(
job_params.get('max_chunk_size'), cls.DEFAULT_MAX_CHUNK_SIZE)
excluded_rawx = job_params.get('excluded_rawx')
if excluded_rawx:
excluded_rawx = excluded_rawx.split(',')
else:
excluded_rawx = list()
sanitized_job_params['excluded_rawx'] = excluded_rawx
sanitized_job_params['usage_target'] = int_value(
job_params.get('usage_target'), cls.DEFAULT_USAGE_TARGET)
sanitized_job_params['usage_check_interval'] = float_value(
job_params.get('usage_check_interval'),
cls.DEFAULT_USAGE_CHECK_INTERVAL)
return sanitized_job_params, 'rawx/%s' % service_id
def __init__(self, conf, logger=None):
super(RawxDecommissionJob, self).__init__(conf, logger=logger)
self.rdir_client = RdirClient(self.conf, logger=self.logger)
self.conscience_client = ConscienceClient(self.conf,
logger=self.logger)
def get_usage(self, service_id):
services = self.conscience_client.all_services('rawx', full=True)
for service in services:
if service_id == service['tags'].get('tag.service_id',
service['addr']):
return 100 - service['tags']['stat.space']
raise ValueError('No rawx service this ID (%s)' % service_id)
def get_tasks(self, job_params, marker=None):
service_id = job_params['service_id']
usage_target = job_params['usage_target']
usage_check_interval = job_params['usage_check_interval']
if usage_target > 0:
now = time.time()
current_usage = self.get_usage(service_id)
if current_usage <= usage_target:
self.logger.info(
'current usage %.2f%%: target already reached (%.2f%%)',
current_usage, usage_target)
return
last_usage_check = now
chunk_infos = self.get_chunk_infos(job_params, marker=marker)
for container_id, content_id, chunk_id, _ in chunk_infos:
task_id = '|'.join((container_id, content_id, chunk_id))
yield task_id, {
'container_id': container_id,
'content_id': content_id,
'chunk_id': chunk_id
}
if usage_target <= 0:
continue
now = time.time()
if now - last_usage_check < usage_check_interval:
continue
current_usage = self.get_usage(service_id)
if current_usage > usage_target:
last_usage_check = now
continue
self.logger.info('current usage %.2f%%: target reached (%.2f%%)',
current_usage, usage_target)
return
def get_total_tasks(self, job_params, marker=None):
service_id = job_params['service_id']
usage_target = job_params['usage_target']
current_usage = self.get_usage(service_id)
if current_usage <= usage_target:
return
kept_chunks_ratio = 1 - (usage_target / float(current_usage))
chunk_infos = self.get_chunk_infos(job_params, marker=marker)
i = 0
for i, (container_id, content_id, chunk_id, _) \
in enumerate(chunk_infos, 1):
if i % 1000 == 0:
yield ('|'.join((container_id, content_id, chunk_id)),
int(math.ceil(1000 * kept_chunks_ratio)))
remaining = int(math.ceil(i % 1000 * kept_chunks_ratio))
if remaining > 0:
yield '|'.join((container_id, content_id, chunk_id)), remaining
def get_chunk_infos(self, job_params, marker=None):
service_id = job_params['service_id']
rdir_fetch_limit = job_params['rdir_fetch_limit']
rdir_timeout = job_params['rdir_timeout']
chunk_infos = self.rdir_client.chunk_fetch(service_id,
timeout=rdir_timeout,
limit=rdir_fetch_limit,
start_after=marker)
return chunk_infos
class BlobRebuilderWorker(object):
def __init__(self, conf, logger, volume):
self.conf = conf
self.logger = logger or get_logger(conf)
self.volume = volume
self.run_time = 0
self.passes = 0
self.errors = 0
self.last_reported = 0
self.chunks_run_time = 0
self.bytes_running_time = 0
self.bytes_processed = 0
self.total_bytes_processed = 0
self.total_chunks_processed = 0
self.dry_run = true_value(
conf.get('dry_run', False))
self.report_interval = int_value(
conf.get('report_interval'), 3600)
self.max_chunks_per_second = int_value(
conf.get('chunks_per_second'), 30)
self.max_bytes_per_second = int_value(
conf.get('bytes_per_second'), 10000000)
self.rdir_fetch_limit = int_value(
conf.get('rdir_fetch_limit'), 100)
self.blob_client = BlobClient()
self.container_client = ContainerClient(conf)
self.rdir_client = RdirClient(conf)
def rebuilder_pass_with_lock(self):
self.rdir_client.admin_lock(self.volume,
"rebuilder on %s" % gethostname())
try:
self.rebuilder_pass()
finally:
self.rdir_client.admin_unlock(self.volume)
def rebuilder_pass(self):
start_time = report_time = time.time()
total_errors = 0
rebuilder_time = 0
chunks = self.rdir_client.chunk_fetch(self.volume,
limit=self.rdir_fetch_limit,
rebuild=True)
for container_id, content_id, chunk_id, data in chunks:
loop_time = time.time()
if self.dry_run:
self.dryrun_chunk_rebuild(container_id, content_id, chunk_id)
else:
self.safe_chunk_rebuild(container_id, content_id, chunk_id)
self.chunks_run_time = ratelimit(
self.chunks_run_time,
self.max_chunks_per_second
)
self.total_chunks_processed += 1
now = time.time()
if now - self.last_reported >= self.report_interval:
self.logger.info(
'%(start_time)s '
'%(passes)d '
'%(errors)d '
'%(c_rate).2f '
'%(b_rate).2f '
'%(total).2f '
'%(rebuilder_time).2f'
'%(rebuilder_rate).2f' % {
'start_time': time.ctime(report_time),
'passes': self.passes,
'errors': self.errors,
'c_rate': self.passes / (now - report_time),
'b_rate': self.bytes_processed / (now - report_time),
'total': (now - start_time),
'rebuilder_time': rebuilder_time,
'rebuilder_rate': rebuilder_time / (now - start_time)
}
)
report_time = now
total_errors += self.errors
self.passes = 0
self.bytes_processed = 0
self.last_reported = now
rebuilder_time += (now - loop_time)
elapsed = (time.time() - start_time) or 0.000001
self.logger.info(
'%(elapsed).02f '
'%(errors)d '
'%(chunk_rate).2f '
'%(bytes_rate).2f '
'%(rebuilder_time).2f '
'%(rebuilder_rate).2f' % {
'elapsed': elapsed,
'errors': total_errors + self.errors,
'chunk_rate': self.total_chunks_processed / elapsed,
'bytes_rate': self.total_bytes_processed / elapsed,
'rebuilder_time': rebuilder_time,
'rebuilder_rate': rebuilder_time / elapsed
}
)
def dryrun_chunk_rebuild(self, container_id, content_id, chunk_id):
self.logger.info("[dryrun] Rebuilding "
"container %s, content %s, chunk %s"
% (container_id, content_id, chunk_id))
self.passes += 1
def safe_chunk_rebuild(self, container_id, content_id, chunk_id):
self.logger.info('Rebuilding (container %s, content %s, chunk %s)'
% (container_id, content_id, chunk_id))
try:
self.chunk_rebuild(container_id, content_id, chunk_id)
except Exception as e:
self.errors += 1
self.logger.error('ERROR while rebuilding chunk %s|%s|%s) : %s',
container_id, content_id, chunk_id, e)
self.passes += 1
def _meta2_get_chunks_at_pos(self, container_id, content_id, chunk_id):
current_chunk_url = 'http://%s/%s' % (self.volume, chunk_id)
try:
data = self.container_client.content_show(
cid=container_id, content=content_id)
except exc.NotFound:
raise exc.OrphanChunk('Content not found')
current_chunk = None
for c in data:
if c['url'] == current_chunk_url:
current_chunk = c
break
if not current_chunk:
raise exc.OrphanChunk('Chunk not found in content')
duplicate_chunks = []
for c in data:
if c['pos'] == current_chunk['pos'] \
and c['url'] != current_chunk['url']:
duplicate_chunks.append(c)
if len(duplicate_chunks) == 0:
raise exc.UnrecoverableContent('No copy of missing chunk')
return current_chunk, duplicate_chunks
def _meta2_get_spare_chunk(self, container_id, content_id, notin, broken):
spare_data = {'notin': notin,
'broken': [broken],
'size': 0}
try:
spare_resp = self.container_client.content_spare(
cid=container_id, content=content_id, data=spare_data)
except ClientException as e:
raise exc.SpareChunkException('No spare chunk (%s)' % e.message)
return spare_resp['chunks'][0]
def _meta2_replace_chunk(self, container_id, content_id,
current_chunk, new_chunk):
old = [{'type': 'chunk',
'id': current_chunk['url'],
'hash': current_chunk['hash'],
'size': current_chunk['size'],
'pos': current_chunk['pos'],
'content': content_id}]
new = [{'type': 'chunk',
'id': new_chunk['id'],
'hash': current_chunk['hash'],
'size': current_chunk['size'],
'pos': current_chunk['pos'],
'content': content_id}]
update_data = {'old': old, 'new': new}
self.container_client.container_raw_update(
cid=container_id, data=update_data)
# TODO rain support
def chunk_rebuild(self, container_id, content_id, chunk_id):
current_chunk, duplicate_chunks = self._meta2_get_chunks_at_pos(
container_id, content_id, chunk_id)
spare_chunk = self._meta2_get_spare_chunk(
container_id, content_id, duplicate_chunks, current_chunk)
uploaded = False
for src in duplicate_chunks:
try:
self.blob_client.chunk_copy(src['url'], spare_chunk['id'])
self.logger.debug('copy chunk from %s to %s',
src['url'], spare_chunk['id'])
uploaded = True
break
except Exception as e:
self.logger.debug('Failed to copy chunk from %s to %s: %s',
src['url'], spare_chunk['id'], type(e))
if not uploaded:
raise exc.UnrecoverableContent('No copy available '
'of missing chunk')
self._meta2_replace_chunk(container_id, content_id,
current_chunk, spare_chunk)
self.rdir_client.chunk_push(self.volume, container_id, content_id,
chunk_id, rtime=int(time.time()))
self.bytes_processed += current_chunk['size']
self.total_bytes_processed += current_chunk['size']
class RawxRebuildJob(XcuteRdirJob):
JOB_TYPE = 'rawx-rebuild'
TASK_CLASS = RawxRebuildTask
DEFAULT_RAWX_TIMEOUT = 60.0
DEFAULT_DRY_RUN = False
DEFAULT_ALLOW_SAME_RAWX = True
DEFAULT_TRY_CHUNK_DELETE = False
DEFAULT_ALLOW_FROZEN_CT = False
DEFAULT_DECLARE_INCIDENT_DATE = False
@classmethod
def sanitize_params(cls, job_params):
sanitized_job_params, _ = super(RawxRebuildJob,
cls).sanitize_params(job_params)
# specific configuration
service_id = job_params.get('service_id')
if not service_id:
raise ValueError('Missing service ID')
sanitized_job_params['service_id'] = service_id
sanitized_job_params['rawx_timeout'] = float_value(
job_params.get('rawx_timeout'), cls.DEFAULT_RAWX_TIMEOUT)
sanitized_job_params['dry_run'] = boolean_value(
job_params.get('dry_run'), cls.DEFAULT_DRY_RUN)
sanitized_job_params['allow_same_rawx'] = boolean_value(
job_params.get('allow_same_rawx'), cls.DEFAULT_ALLOW_SAME_RAWX)
sanitized_job_params['try_chunk_delete'] = boolean_value(
job_params.get('try_chunk_delete'), cls.DEFAULT_TRY_CHUNK_DELETE)
sanitized_job_params['allow_frozen_container'] = boolean_value(
job_params.get('allow_frozen_container'),
cls.DEFAULT_ALLOW_FROZEN_CT)
set_specific_incident_date = int_value(
job_params.get('set_specific_incident_date'), None)
if set_specific_incident_date is None:
set_incident_date = boolean_value(
job_params.get('set_incident_date'),
cls.DEFAULT_DECLARE_INCIDENT_DATE)
if set_incident_date:
set_specific_incident_date = int(time.time())
else:
set_incident_date = True
sanitized_job_params['set_incident_date'] = set_incident_date
sanitized_job_params['set_specific_incident_date'] = \
set_specific_incident_date
return sanitized_job_params, 'rawx/%s' % service_id
def __init__(self, conf, logger=None):
super(RawxRebuildJob, self).__init__(conf, logger=logger)
self.rdir_client = RdirClient(self.conf, logger=self.logger)
def prepare(self, job_params):
service_id = job_params['service_id']
rdir_timeout = job_params['rdir_timeout']
set_incident_date = job_params['set_incident_date']
set_specific_incident_date = job_params['set_specific_incident_date']
if not set_incident_date:
return
self.rdir_client.admin_incident_set(service_id,
set_specific_incident_date,
timeout=rdir_timeout)
def get_tasks(self, job_params, marker=None):
chunk_infos = self.get_chunk_infos(job_params, marker=marker)
for container_id, content_id, chunk_id, _ in chunk_infos:
task_id = '|'.join((container_id, content_id, chunk_id))
yield task_id, {
'container_id': container_id,
'content_id': content_id,
'chunk_id': chunk_id
}
def get_total_tasks(self, job_params, marker=None):
chunk_infos = self.get_chunk_infos(job_params, marker=marker)
i = 0
for i, (container_id, content_id, chunk_id, _) \
in enumerate(chunk_infos, 1):
if i % 1000 == 0:
yield '|'.join((container_id, content_id, chunk_id)), 1000
remaining = i % 1000
if remaining > 0:
yield '|'.join((container_id, content_id, chunk_id)), remaining
def get_chunk_infos(self, job_params, marker=None):
service_id = job_params['service_id']
rdir_fetch_limit = job_params['rdir_fetch_limit']
rdir_timeout = job_params['rdir_timeout']
chunk_infos = self.rdir_client.chunk_fetch(service_id,
rebuild=True,
timeout=rdir_timeout,
limit=rdir_fetch_limit,
start_after=marker)
return chunk_infos
class BlobRebuilder(Rebuilder):
def __init__(self,
conf,
logger,
volume,
try_chunk_delete=False,
beanstalkd_addr=None,
**kwargs):
super(BlobRebuilder, self).__init__(conf, logger, **kwargs)
self.volume = volume
self.rdir_client = RdirClient(conf, logger=self.logger)
self.try_chunk_delete = try_chunk_delete
self.beanstalkd_addr = beanstalkd_addr
self.beanstalkd_tube = conf.get('beanstalkd_tube',
DEFAULT_REBUILDER_TUBE)
self.beanstalk = None
self.rdir_fetch_limit = int_value(conf.get('rdir_fetch_limit'), 100)
def _fetch_chunks_from_event(self, job_id, data):
env = json.loads(data)
for chunk_pos in env['data']['missing_chunks']:
yield [
env['url']['id'], env['url']['content'],
str(chunk_pos), None
]
def _connect_to_beanstalk(self):
self.logger.debug('Connecting to %s', self.beanstalkd_addr)
self.beanstalk = Beanstalk.from_url(self.beanstalkd_addr)
self.logger.debug('Using tube %s', self.beanstalkd_tube)
self.beanstalk.use(self.beanstalkd_tube)
self.beanstalk.watch(self.beanstalkd_tube)
def _handle_beanstalk_event(self, conn_error):
try:
job_id, data = self.beanstalk.reserve()
if conn_error:
self.logger.warn("beanstalk reconnected")
except ConnectionError:
if not conn_error:
self.logger.warn("beanstalk connection error")
raise
try:
for chunk in self._fetch_chunks_from_event(job_id, data):
yield chunk
self.beanstalk.delete(job_id)
except Exception:
self.logger.exception("handling event %s (bury)", job_id)
self.beanstalk.bury(job_id)
def _fetch_chunks_from_beanstalk(self):
conn_error = False
while 1:
try:
self._connect_to_beanstalk()
for chunk in self._handle_beanstalk_event(conn_error):
conn_error = False
yield chunk
except ConnectionError as exc:
self.logger.warn('Disconnected: %s', exc)
if 'Invalid URL' in str(exc):
raise
conn_error = True
time.sleep(1.0)
def _fetch_chunks_from_file(self):
with open(self.input_file, 'r') as ifile:
for line in ifile:
stripped = line.strip()
if stripped and not stripped.startswith('#'):
yield stripped.split('|', 3)[:3] + [None]
def _fetch_chunks(self):
if self.input_file:
return self._fetch_chunks_from_file()
elif self.beanstalkd_addr:
return self._fetch_chunks_from_beanstalk()
else:
return self.rdir_client.chunk_fetch(self.volume,
limit=self.rdir_fetch_limit,
rebuild=True)
def rebuilder_pass_with_lock(self):
self.rdir_client.admin_lock(self.volume,
"rebuilder on %s" % gethostname())
try:
self.rebuilder_pass()
finally:
self.rdir_client.admin_unlock(self.volume)
def _create_worker(self, **kwargs):
return BlobRebuilderWorker(self.conf, self.logger, self.volume,
self.try_chunk_delete)
def _fill_queue(self, queue, **kwargs):
chunks = self._fetch_chunks()
for chunk in chunks:
queue.put(chunk)
def _init_info(self, **kwargs):
return 0
def _compute_info(self, worker, total_bytes_processed, **kwargs):
total_bytes_processed += worker.total_bytes_processed
return total_bytes_processed
def _get_report(self, start_time, end_time, passes, errors, waiting_time,
rebuilder_time, elapsed, total_chunks_processed,
total_bytes_processed, **kwargs):
return ('DONE %(volume)s '
'started=%(start_time)s '
'ended=%(end_time)s '
'elapsed=%(elapsed).2f '
'passes=%(passes)d '
'errors=%(errors)d '
'chunks=%(nb_chunks)d %(c_rate).2f/s '
'bytes=%(nb_bytes)d %(b_rate).2fB/s '
'waiting_time=%(waiting_time).2f '
'rebuilder_time=%(rebuilder_time).2f '
'(rebuilder: %(success_rate).2f%%)' % {
'volume':
self.volume,
'start_time':
datetime.fromtimestamp(int(start_time)).isoformat(),
'end_time':
datetime.fromtimestamp(int(end_time)).isoformat(),
'elapsed':
elapsed,
'passes':
passes,
'errors':
errors,
'nb_chunks':
total_chunks_processed,
'nb_bytes':
total_bytes_processed,
'c_rate':
total_chunks_processed / elapsed,
'b_rate':
total_bytes_processed / elapsed,
'rebuilder_time':
rebuilder_time,
'waiting_time':
waiting_time,
'success_rate':
100 * ((total_chunks_processed - errors) /
float(total_chunks_processed or 1))
})
class BlobRebuilderWorker(object):
def __init__(self,
conf,
logger,
volume,
input_file=None,
try_chunk_delete=False,
beanstalkd_addr=None):
self.conf = conf
self.logger = logger or get_logger(conf)
self.volume = volume
self.run_time = 0
self.passes = 0
self.errors = 0
self.last_reported = 0
self.chunks_run_time = 0
self.bytes_running_time = 0
self.bytes_processed = 0
self.total_bytes_processed = 0
self.total_chunks_processed = 0
self.dry_run = true_value(conf.get('dry_run', False))
self.report_interval = int_value(conf.get('report_interval'), 3600)
self.max_chunks_per_second = int_value(conf.get('chunks_per_second'),
30)
self.max_bytes_per_second = int_value(conf.get('bytes_per_second'),
10000000)
self.rdir_fetch_limit = int_value(conf.get('rdir_fetch_limit'), 100)
self.allow_same_rawx = true_value(conf.get('allow_same_rawx'))
self.input_file = input_file
self.rdir_client = RdirClient(conf, logger=self.logger)
self.content_factory = ContentFactory(conf)
self.try_chunk_delete = try_chunk_delete
self.beanstalkd_addr = beanstalkd_addr
self.beanstalkd_tube = conf.get('beanstalkd_tube', 'rebuild')
self.beanstalk = None
def _fetch_chunks_from_event(self, job_id, data):
env = json.loads(data)
for chunk_pos in env['data']['missing_chunks']:
yield [
env['url']['id'], env['url']['content'],
str(chunk_pos), None
]
def _connect_to_beanstalk(self):
self.beanstalk = Beanstalk.from_url(self.beanstalkd_addr)
self.beanstalk.use(self.beanstalkd_tube)
self.beanstalk.watch(self.beanstalkd_tube)
def _handle_beanstalk_event(self, conn_error):
try:
job_id, data = self.beanstalk.reserve()
if conn_error:
self.logger.warn("beanstalk reconnected")
except ConnectionError:
if not conn_error:
self.logger.warn("beanstalk connection error")
raise
try:
for chunk in self._fetch_chunks_from_event(job_id, data):
yield chunk
self.beanstalk.delete(job_id)
except Exception:
self.logger.exception("handling event %s (bury)", job_id)
self.beanstalk.bury(job_id)
def _fetch_chunks_from_beanstalk(self):
conn_error = False
while 1:
try:
self._connect_to_beanstalk()
for chunk in self._handle_beanstalk_event(conn_error):
conn_error = False
yield chunk
except ConnectionError:
conn_error = True
time.sleep(1.0)
def _fetch_chunks_from_file(self):
with open(self.input_file, 'r') as ifile:
for line in ifile:
stripped = line.strip()
if stripped and not stripped.startswith('#'):
yield stripped.split('|', 3)[:3] + [None]
def _fetch_chunks(self):
if self.input_file:
return self._fetch_chunks_from_file()
elif self.beanstalkd_addr:
return self._fetch_chunks_from_beanstalk()
else:
return self.rdir_client.chunk_fetch(self.volume,
limit=self.rdir_fetch_limit,
rebuild=True)
def rebuilder_pass_with_lock(self):
self.rdir_client.admin_lock(self.volume,
"rebuilder on %s" % gethostname())
try:
self.rebuilder_pass()
finally:
self.rdir_client.admin_unlock(self.volume)
def rebuilder_pass(self):
start_time = report_time = time.time()
rebuilder_time = 0
chunks = self._fetch_chunks()
for cid, content_id, chunk_id_or_pos, _ in chunks:
loop_time = time.time()
if self.dry_run:
self.dryrun_chunk_rebuild(cid, content_id, chunk_id_or_pos)
else:
self.safe_chunk_rebuild(cid, content_id, chunk_id_or_pos)
self.chunks_run_time = ratelimit(self.chunks_run_time,
self.max_chunks_per_second)
self.total_chunks_processed += 1
now = time.time()
if now - self.last_reported >= self.report_interval:
self.logger.info(
'RUN %(volume)s '
'started=%(start_time)s '
'passes=%(passes)d '
'errors=%(errors)d '
'chunks=%(nb_chunks)d %(c_rate).2f/s '
'bytes=%(nb_bytes)d %(b_rate).2fB/s '
'elapsed=%(total).2f '
'(rebuilder: %(success_rate).2f%%)' % {
'volume':
self.volume,
'start_time':
datetime.fromtimestamp(int(report_time)).isoformat(),
'passes':
self.passes,
'errors':
self.errors,
'nb_chunks':
self.total_chunks_processed,
'nb_bytes':
self.total_bytes_processed,
'c_rate':
self.passes / (now - report_time),
'b_rate':
self.bytes_processed / (now - report_time),
'total': (now - start_time),
'rebuilder_time':
rebuilder_time,
'success_rate':
100 * ((self.total_chunks_processed - self.errors) /
float(self.total_chunks_processed))
})
report_time = now
self.passes = 0
self.bytes_processed = 0
self.last_reported = now
rebuilder_time += (now - loop_time)
end_time = time.time()
elapsed = (end_time - start_time) or 0.000001
self.logger.info(
'DONE %(volume)s '
'started=%(start_time)s '
'ended=%(end_time)s '
'passes=%(passes)d '
'elapsed=%(elapsed).02f '
'errors=%(errors)d '
'chunks=%(nb_chunks)d %(c_rate).2f/s '
'bytes=%(nb_bytes)d %(b_rate).2fB/s '
'elapsed=%(rebuilder_time).2f '
'(rebuilder: %(success_rate).2f%%)' % {
'volume':
self.volume,
'start_time':
datetime.fromtimestamp(int(start_time)).isoformat(),
'end_time':
datetime.fromtimestamp(int(end_time)).isoformat(),
'passes':
self.passes,
'elapsed':
elapsed,
'errors':
self.errors,
'nb_chunks':
self.total_chunks_processed,
'nb_bytes':
self.total_bytes_processed,
'c_rate':
self.total_chunks_processed / elapsed,
'b_rate':
self.total_bytes_processed / elapsed,
'rebuilder_time':
rebuilder_time,
'success_rate':
100 * ((self.total_chunks_processed - self.errors) /
float(self.total_chunks_processed or 1))
})
def dryrun_chunk_rebuild(self, container_id, content_id, chunk_id_or_pos):
self.logger.info(
"[dryrun] Rebuilding "
"container %s, content %s, chunk %s", container_id, content_id,
chunk_id_or_pos)
self.passes += 1
def safe_chunk_rebuild(self, container_id, content_id, chunk_id_or_pos):
try:
self.chunk_rebuild(container_id, content_id, chunk_id_or_pos)
except Exception as e:
self.errors += 1
self.logger.error('ERROR while rebuilding chunk %s|%s|%s: %s',
container_id, content_id, chunk_id_or_pos, e)
self.passes += 1
def chunk_rebuild(self, container_id, content_id, chunk_id_or_pos):
self.logger.info('Rebuilding (container %s, content %s, chunk %s)',
container_id, content_id, chunk_id_or_pos)
try:
content = self.content_factory.get(container_id, content_id)
except ContentNotFound:
raise OrphanChunk('Content not found: possible orphan chunk')
chunk_size = 0
chunk_pos = None
if len(chunk_id_or_pos) < 32:
chunk_pos = chunk_id_or_pos
chunk_id = None
metapos = int(chunk_pos.split('.', 1)[0])
chunk_size = content.chunks.filter(metapos=metapos).all()[0].size
else:
if '/' in chunk_id_or_pos:
chunk_id = chunk_id_or_pos.rsplit('/', 1)[-1]
else:
chunk_id = chunk_id_or_pos
chunk = content.chunks.filter(id=chunk_id).one()
if chunk is None:
raise OrphanChunk(("Chunk not found in content:"
"possible orphan chunk"))
elif self.volume and chunk.host != self.volume:
raise ValueError("Chunk does not belong to this volume")
chunk_size = chunk.size
content.rebuild_chunk(chunk_id,
allow_same_rawx=self.allow_same_rawx,
chunk_pos=chunk_pos)
if self.try_chunk_delete:
try:
content.blob_client.chunk_delete(chunk.url)
self.logger.info("Chunk %s deleted", chunk.url)
except NotFound as exc:
self.logger.debug("Chunk %s: %s", chunk.url, exc)
# This call does not raise exception if chunk is not referenced
if chunk_id is not None:
self.rdir_client.chunk_delete(chunk.host, container_id, content_id,
chunk_id)
self.bytes_processed += chunk_size
self.total_bytes_processed += chunk_size
class BlobRebuilder(Rebuilder):
def __init__(self,
conf,
logger,
volume,
try_chunk_delete=False,
beanstalkd_addr=None,
**kwargs):
super(BlobRebuilder, self).__init__(conf, logger, volume, **kwargs)
# rdir
self.rdir_client = RdirClient(conf, logger=self.logger)
self.rdir_fetch_limit = int_value(conf.get('rdir_fetch_limit'), 100)
# rawx
self.try_chunk_delete = try_chunk_delete
# beanstalk
if beanstalkd_addr:
self.beanstalkd_listener = BeanstalkdListener(
beanstalkd_addr,
conf.get('beanstalkd_tube', DEFAULT_REBUILDER_TUBE),
self.logger, **kwargs)
else:
self.beanstalkd_listener = None
# counters
self.bytes_processed = 0
self.total_bytes_processed = 0
self.total_expected_chunks = None
# distributed
self.distributed = False
def _create_worker(self, **kwargs):
return BlobRebuilderWorker(self,
try_chunk_delete=self.try_chunk_delete,
**kwargs)
def _fill_queue(self, queue, **kwargs):
chunks = self._fetch_chunks(**kwargs)
for chunk in chunks:
queue.put(chunk)
def _item_to_string(self, chunk, **kwargs):
cid, content_id, chunk_id_or_pos, _ = chunk
return 'chunk %s|%s|%s' % (cid, content_id, chunk_id_or_pos)
def _get_report(self, status, end_time, counters, **kwargs):
chunks_processed, bytes_processed, errors, total_chunks_processed, \
total_bytes_processed, total_errors = counters
time_since_last_report = (end_time - self.last_report) or 0.00001
total_time = (end_time - self.start_time) or 0.00001
report = (
'%(status)s volume=%(volume)s '
'last_report=%(last_report)s %(time_since_last_report).2fs '
'chunks=%(chunks)d %(chunks_rate).2f/s '
'bytes=%(bytes)d %(bytes_rate).2fB/s '
'errors=%(errors)d %(errors_rate).2f%% '
'start_time=%(start_time)s %(total_time).2fs '
'total_chunks=%(total_chunks)d %(total_chunks_rate).2f/s '
'total_bytes=%(total_bytes)d %(total_bytes_rate).2fB/s '
'total_errors=%(total_errors)d %(total_errors_rate).2f%%' % {
'status':
status,
'volume':
self.volume,
'last_report':
datetime.fromtimestamp(int(self.last_report)).isoformat(),
'time_since_last_report':
time_since_last_report,
'chunks':
chunks_processed,
'chunks_rate':
chunks_processed / time_since_last_report,
'bytes':
bytes_processed,
'bytes_rate':
bytes_processed / time_since_last_report,
'errors':
errors,
'errors_rate':
100 * errors / float(chunks_processed or 1),
'start_time':
datetime.fromtimestamp(int(self.start_time)).isoformat(),
'total_time':
total_time,
'total_chunks':
total_chunks_processed,
'total_chunks_rate':
total_chunks_processed / total_time,
'total_bytes':
total_bytes_processed,
'total_bytes_rate':
total_bytes_processed / total_time,
'total_errors':
total_errors,
'total_errors_rate':
100 * total_errors / float(total_chunks_processed or 1)
})
if self.total_expected_chunks is not None:
progress = 100 * total_chunks_processed / \
float(self.total_expected_chunks or 1)
report += ' progress=%d/%d %.2f%%' % \
(total_chunks_processed, self.total_expected_chunks, progress)
return report
def _update_processed_without_lock(self,
bytes_processed,
error=None,
**kwargs):
super(BlobRebuilder, self)._update_processed_without_lock(None,
error=error,
**kwargs)
if bytes_processed is not None:
self.bytes_processed += bytes_processed
def _update_totals_without_lock(self, **kwargs):
chunks_processed, errors, total_chunks_processed, total_errors = \
super(BlobRebuilder, self)._update_totals_without_lock(**kwargs)
bytes_processed = self.bytes_processed
self.bytes_processed = 0
self.total_bytes_processed += bytes_processed
return chunks_processed, bytes_processed, errors, \
total_chunks_processed, self.total_bytes_processed, total_errors
def _rebuilder_pass(self, **kwargs):
return super(BlobRebuilder, self).rebuilder_pass(**kwargs)
def rebuilder_pass(self, **kwargs):
success = False
if self.volume:
self.rdir_client.admin_lock(self.volume,
"rebuilder on %s" % gethostname())
info = self.rdir_client.status(self.volume)
self.total_expected_chunks = info.get('chunk', dict()).get(
'to_rebuild', None)
try:
success = self._rebuilder_pass(**kwargs)
finally:
if self.volume:
self.rdir_client.admin_unlock(self.volume)
return success
def _event_from_broken_chunk(self, chunk, reply, **kwargs):
cid, content_id, chunk_id_or_pos, _ = chunk
event = {}
event['when'] = time.time()
event['event'] = 'storage.content.broken'
event['data'] = {'missing_chunks': [chunk_id_or_pos]}
event['url'] = {'ns': self.namespace, 'id': cid, 'content': content_id}
event['reply'] = reply
return json.dumps(event)
def _chunks_from_event(self, job_id, data, **kwargs):
decoded = json.loads(data)
container_id = decoded['url']['id']
content_id = decoded['url']['content']
more = None
reply = decoded.get('reply', None)
if reply:
more = {'reply': reply}
for chunk_id_or_pos in decoded['data']['missing_chunks']:
yield [container_id, content_id, str(chunk_id_or_pos), more]
def _fetch_events_from_beanstalk(self, **kwargs):
return self.beanstalkd_listener.fetch_events(self._chunks_from_event,
**kwargs)
def _fetch_chunks_from_file(self, **kwargs):
with open(self.input_file, 'r') as ifile:
for line in ifile:
stripped = line.strip()
if stripped and not stripped.startswith('#'):
yield stripped.split('|', 3)[:3] + [None]
def _fetch_chunks(self, **kwargs):
if self.input_file:
return self._fetch_chunks_from_file(**kwargs)
if self.beanstalkd_listener and not self.distributed:
return self._fetch_events_from_beanstalk(**kwargs)
if self.volume:
return self.rdir_client.chunk_fetch(self.volume,
limit=self.rdir_fetch_limit,
rebuild=True,
**kwargs)
raise ConfigurationException('No source to fetch chunks from')
class Checker(object):
def __init__(self,
namespace,
concurrency=50,
error_file=None,
rebuild_file=None,
check_xattr=True,
limit_listings=0,
request_attempts=1,
logger=None,
verbose=False,
check_hash=False,
min_time_in_error=0.0,
required_confirmations=0,
beanstalkd_addr=None,
beanstalkd_tube=BlobRebuilder.DEFAULT_BEANSTALKD_WORKER_TUBE,
cache_size=2**24,
**_kwargs):
self.pool = GreenPool(concurrency)
self.error_file = error_file
self.error_sender = None
self.check_xattr = bool(check_xattr)
self.check_hash = bool(check_hash)
self.logger = logger or get_logger(
{'namespace': namespace}, name='integrity', verbose=verbose)
# Optimisation for when we are only checking one object
# or one container.
# 0 -> do not limit
# 1 -> limit account listings (list of containers)
# 2 -> limit container listings (list of objects)
self.limit_listings = limit_listings
if self.error_file:
outfile = open(self.error_file, 'a')
self.error_writer = csv.writer(outfile, delimiter=' ')
self.rebuild_file = rebuild_file
if self.rebuild_file:
self.fd = open(self.rebuild_file, 'a')
self.rebuild_writer = csv.writer(self.fd, delimiter='|')
if beanstalkd_addr:
self.error_sender = BeanstalkdSender(beanstalkd_addr,
beanstalkd_tube, self.logger)
self.api = ObjectStorageApi(namespace,
logger=self.logger,
max_retries=request_attempts - 1,
request_attempts=request_attempts)
self.rdir_client = RdirClient({"namespace": namespace},
logger=self.logger)
self.accounts_checked = 0
self.containers_checked = 0
self.objects_checked = 0
self.chunks_checked = 0
self.account_not_found = 0
self.container_not_found = 0
self.object_not_found = 0
self.chunk_not_found = 0
self.account_exceptions = 0
self.container_exceptions = 0
self.object_exceptions = 0
self.chunk_exceptions = 0
self.list_cache = CacheDict(cache_size)
self.running_tasks = {}
self.running_lock = Semaphore(1)
self.result_queue = LightQueue(concurrency)
self.running = True
self.run_time = 0
# Set of targets which must be checked again, to confirm
# or deny the issues reported by previous passes.
self.delayed_targets = dict()
# Minimum time in error and number of confirmations of the error
# before triggering a reconstruction action.
self.min_time_in_error = min_time_in_error
self.required_confirmations = required_confirmations
def reset_stats(self):
self.accounts_checked = 0
self.containers_checked = 0
self.objects_checked = 0
self.chunks_checked = 0
self.account_not_found = 0
self.container_not_found = 0
self.object_not_found = 0
self.chunk_not_found = 0
self.account_exceptions = 0
self.container_exceptions = 0
self.object_exceptions = 0
self.chunk_exceptions = 0
def _spawn(self, func, target, *args, **kwargs):
"""
Spawn a task on the internal GreenPool.
Discards the task if the pool is no more running.
"""
if self.running:
return self.pool.spawn(func, target, *args, **kwargs)
self.logger.info("Discarding %s", target)
return None
def _spawn_n(self, func, target, *args, **kwargs):
"""
Spawn a task on the internal GreenPool, do not wait for the result.
Discards the task if the pool is no more running.
"""
if self.running:
return self.pool.spawn_n(func, target, *args, **kwargs)
self.logger.info("Discarding %s", target)
return None
def complete_target_from_chunk_metadata(self, target, xattr_meta):
"""
Complete a Target object from metadata found in chunk's extended
attributes. In case the "fullpath" is not available, try to read
legacy metadata, and maybe ask meta1 to resolve the CID into
account and container names.
"""
# pylint: disable=unbalanced-tuple-unpacking
try:
acct, ct, path, vers, content_id = \
decode_fullpath(xattr_meta['full_path'])
target.account = acct
target.container = ct
target.obj = path
target.content_id = content_id
target.version = vers
except KeyError:
# No fullpath header, try legacy headers
if 'content_path' in xattr_meta:
target.obj = xattr_meta['content_path']
if 'content_id' in xattr_meta:
target.content_id = xattr_meta['content_id']
if 'content_version' in xattr_meta:
target.version = xattr_meta['content_version']
cid = xattr_meta.get('container_id')
if cid:
try:
md = self.api.directory.show(cid=cid)
acct = md.get('account')
ct = md.get('name')
if acct:
target.account = acct
if ct:
target.container = ct
except Exception as err:
self.logger.warn(
"Failed to resolve CID %s into account "
"and container names: %s", cid, err)
def recover_and_complete_object_meta(self, target, chunk):
_, rawx_service, chunk_id = chunk.rsplit('/', 2)
# 1. Fetch chunk list from rdir (could be cached).
# Unfortunately we cannot seek for a chunk ID.
entries = [
x for x in self.rdir_client.chunk_fetch(rawx_service, limit=-1)
if x[2] == chunk_id
]
if not entries:
self.logger.warn('Chunk %s not found in rdir' % chunk_id)
return
elif len(entries) > 1:
self.logger.info('Chunk %s appears in %d objects', chunk_id,
len(entries))
# 2. Find content and container IDs
target.cid, target.content_id = entries[0][0:2]
meta = self.api.object_get_properties(None,
None,
None,
cid=target.cid,
content=target.content_id)
target.obj = meta['name']
target.version = meta['version']
target.account, target.container = self.api.resolve_cid(target.cid)
def send_result(self, target, errors=None, irreparable=False):
"""
Put an item in the result queue.
"""
# TODO(FVE): send to an external queue.
target.append_result(ItemResult(errors, irreparable))
self.result_queue.put(target)
def send_chunk_job(self, target, irreparable=False):
"""
Send a "content broken" event, to trigger the
reconstruction of the chunk.
"""
item = (self.api.namespace, target.cid, target.content_id,
target.chunk)
ev_dict = BlobRebuilder.task_event_from_item(item)
if irreparable:
ev_dict['data']['irreparable'] = irreparable
job = json.dumps(ev_dict)
self.error_sender.send_job(job)
self.error_sender.job_done() # Don't expect any response
def write_error(self, target, irreparable=False):
if not self.error_file:
return
error = list()
if irreparable:
error.append(IRREPARABLE_PREFIX)
error.append(target.account)
if target.container:
error.append(target.container)
if target.obj:
error.append(target.obj)
if target.chunk:
error.append(target.chunk)
self.error_writer.writerow(error)
def write_rebuilder_input(self, target, irreparable=False):
error = list()
if irreparable:
error.append(IRREPARABLE_PREFIX)
error.append(target.cid)
# FIXME(FVE): ensure we always resolve content_id,
# or pass object version along with object name.
error.append(target.content_id or target.obj)
error.append(target.chunk)
self.rebuild_writer.writerow(error)
def write_chunk_error(self, target, chunk=None, irreparable=False):
if chunk is not None:
target = target.copy()
target.chunk = chunk
self.write_error(target, irreparable=irreparable)
if self.rebuild_file:
self.write_rebuilder_input(target, irreparable=irreparable)
if self.error_sender:
self.send_chunk_job(target, irreparable=irreparable)
def _check_chunk_xattr(self, target, obj_meta, xattr_meta):
"""
Check coherency of chunk extended attributes with object metadata.
:returns: a list of errors
"""
errors = list()
# Composed position -> erasure coding
attr_prefix = 'meta' if '.' in obj_meta['pos'] else ''
attr_key = attr_prefix + 'chunk_size'
if str(obj_meta['size']) != xattr_meta.get(attr_key):
errors.append(
"'%s' xattr (%s) differs from size in meta2 (%s)" %
(attr_key, xattr_meta.get(attr_key), obj_meta['size']))
attr_key = attr_prefix + 'chunk_hash'
if obj_meta['hash'] != xattr_meta.get(attr_key):
errors.append(
"'%s' xattr (%s) differs from hash in meta2 (%s)" %
(attr_key, xattr_meta.get(attr_key), obj_meta['hash']))
return errors
def _check_chunk(self, target):
"""
Execute various checks on a chunk:
- does it appear in object's chunk list?
- is it reachable?
- are its extended attributes coherent?
:returns: the list of errors encountered,
and the chunk's owner object metadata.
"""
chunk = target.chunk
errors = list()
obj_meta = None
xattr_meta = None
cached = self._get_cached_or_lock(chunk)
if cached is not None:
return cached + (True, )
self.logger.debug('Checking chunk "%s"', target)
try:
xattr_meta = self.api.blob_client.chunk_head(
chunk, xattr=self.check_xattr, check_hash=self.check_hash)
except exc.NotFound as err:
self.chunk_not_found += 1
errors.append('Not found: %s' % (err, ))
except exc.FaultyChunk as err:
self.chunk_exceptions += 1
errors.append('Faulty: %r' % (err, ))
except Exception as err:
self.chunk_exceptions += 1
errors.append('Check failed: %s' % (err, ))
if not target.obj:
if xattr_meta:
self.complete_target_from_chunk_metadata(target, xattr_meta)
else:
self.recover_and_complete_object_meta(target, chunk)
if target.obj:
obj_listing, obj_meta = self.check_obj(target.copy_object())
if chunk not in obj_listing:
errors.append('Missing from object listing')
db_meta = dict()
else:
db_meta = obj_listing[chunk]
if db_meta and xattr_meta and self.check_xattr:
errors.extend(
self._check_chunk_xattr(target, db_meta, xattr_meta))
self.list_cache[chunk] = errors, obj_meta
self._unlock(chunk)
# Do not send errors directly, let the caller do it.
# Indeed, it may want to check if the chunks can be repaired or not.
self.chunks_checked += 1
return errors, obj_meta, False
def check_chunk(self, target):
errors, _obj_meta, from_cache = self._check_chunk(target)
# If the result comes from the cache, we already reported it.
if not from_cache:
self.send_result(target, errors, target.irreparable)
return errors
def _check_metachunk(self, target, stg_met, pos, chunks, recurse=0):
"""
Check that a metachunk has the right number of chunks.
:returns: the list of errors
"""
required = stg_met.expected_chunks
errors = list()
chunk_results = list()
if len(chunks) < required:
missing_chunks = required - len(chunks)
if stg_met.ec:
subs = {x['num'] for x in chunks}
for sub in range(required):
if sub not in subs:
chkt = target.copy()
chkt.chunk = '%d.%d' % (pos, sub)
err = "Missing chunk at position %s" % chkt.chunk
chunk_results.append((chkt, [err], False))
errors.append(err)
else:
for _ in range(missing_chunks):
chkt = target.copy()
chkt.chunk = '%d.%d' % (pos, sub)
err = "Missing chunk at position %d" % pos
chunk_results.append((chkt, [err], False))
errors.append(err)
if recurse > 0:
for chunk in chunks:
tcopy = target.copy()
tcopy.chunk = chunk['url']
chunk_errors, _, from_cache = self._check_chunk(tcopy)
chunk_results.append((tcopy, chunk_errors, from_cache))
if chunk_errors:
errors.append("Unusable chunk %s at position %s" %
(chunk['url'], chunk['pos']))
irreparable = required - len(errors) < stg_met.min_chunks_to_read
if irreparable:
errors.append(
"Unavailable metachunk at position %s "
"(%d/%d chunks available, %d/%d required)" %
(pos, required - len(errors), stg_met.expected_chunks,
stg_met.min_chunks_to_read, stg_met.expected_chunks))
for tgt, errs, from_cache in chunk_results:
# If the result comes from the cache, we already reported it.
if not from_cache:
self.send_result(tgt, errs, irreparable)
# Since the "metachunk" is not an official item type,
# this method does not report errors itself. Errors will
# be reported as object errors.
return errors
def _check_obj_policy(self, target, obj_meta, chunks, recurse=0):
"""
Check that the list of chunks of an object matches
the object's storage policy.
:returns: the list of errors encountered
"""
stg_met = STORAGE_METHODS.load(obj_meta['chunk_method'])
chunks_by_pos = _sort_chunks(chunks, stg_met.ec)
tasks = list()
for pos, pchunks in iteritems(chunks_by_pos):
tasks.append((pos,
self._spawn(self._check_metachunk,
target.copy(),
stg_met,
pos,
pchunks,
recurse=recurse)))
errors = list()
for pos, task in tasks:
if not task and not self.running:
errors.append("Pos %d skipped: checker is exiting" % pos)
continue
try:
errors.extend(task.wait())
except Exception as err:
errors.append("Check failed: pos %d: %s" % (pos, err))
return errors
def check_obj_versions(self, target, versions, recurse=0):
"""
Run checks of all versions of the targeted object in parallel.
"""
tasks = list()
for ov in versions:
tcopy = target.copy_object()
tcopy.content_id = ov['id']
tcopy.version = str(ov['version'])
tasks.append((tcopy.version,
self._spawn(self.check_obj, tcopy, recurse=recurse)))
errors = list()
for version, task in tasks:
if not task and not self.running:
errors.append("Version %s skipped: checker is exiting" %
version)
continue
try:
task.wait()
except Exception as err:
errors.append("Check failed: version %s: %s" % (version, err))
if errors:
# Send a result with the target without version to tell
# we were not able to check all versions of the object.
self.send_result(target, errors)
def _load_obj_meta(self, target, errors):
"""
Load object metadata and chunks.
:param target: which object to check.
:param errors: list of errors that will be appended
in case any error occurs.
:returns: a tuple with object metadata and a list of chunks.
"""
try:
return self.api.object_locate(target.account,
target.container,
target.obj,
version=target.version,
properties=False)
except exc.NoSuchObject as err:
self.object_not_found += 1
errors.append('Not found: %s' % (err, ))
except Exception as err:
self.object_exceptions += 1
errors.append('Check failed: %s' % (err, ))
return None, []
def _get_cached_or_lock(self, lock_key):
# If something is running, wait for it
with self.running_lock:
event = self.running_tasks.get(lock_key)
if event:
event.wait()
event = None
# Maybe get a cached result
if lock_key in self.list_cache:
return self.list_cache[lock_key]
# No cached result, try to compute the thing ourselves
while True:
with self.running_lock:
# Another check while locked
if lock_key in self.list_cache:
return self.list_cache[lock_key]
# Still nothing cached
event = self.running_tasks.get(lock_key)
if event is None:
self.running_tasks[lock_key] = Event()
return None
event.wait()
def _unlock(self, lock_key):
with self.running_lock:
event = self.running_tasks[lock_key]
del self.running_tasks[lock_key]
event.send(True)
def check_obj(self, target, recurse=0):
"""
Check one object version.
If no version is specified, all versions of the object will be checked.
:returns: the result of the check of the most recent version,
or the one that is explicitly targeted.
"""
account = target.account
container = target.container
obj = target.obj
vers = target.version # can be None
cached = self._get_cached_or_lock((account, container, obj, vers))
if cached is not None:
return cached
self.logger.info('Checking object "%s"', target)
container_listing, _ = self.check_container(target.copy_container())
errors = list()
if obj not in container_listing:
errors.append('Missing from container listing')
# checksum = None
else:
versions = container_listing[obj]
if vers is None:
if target.content_id is None:
# No version specified, check all versions
self.check_obj_versions(target.copy_object(),
versions,
recurse=recurse)
# Now return the cached result of the most recent version
target.content_id = versions[0]['id']
target.version = str(versions[0]['version'])
res = self.check_obj(target, recurse=0)
self._unlock((account, container, obj, vers))
return res
else:
for ov in versions:
if ov['id'] == target.content_id:
vers = str(ov['version'])
target.version = vers
break
else:
errors.append('Missing from container listing')
# TODO check checksum match
# checksum = container_listing[obj]['hash']
pass
meta, chunks = self._load_obj_meta(target, errors)
chunk_listing = {c['url']: c for c in chunks}
if meta:
if target.content_id is None:
target.content_id = meta['id']
if target.version is None:
target.version = str(meta['version'])
self.list_cache[(account, container, obj, vers)] = \
(chunk_listing, meta)
self.objects_checked += 1
self._unlock((account, container, obj, vers))
# Skip the check if we could not locate the object
if meta:
errors.extend(
self._check_obj_policy(target, meta, chunks, recurse=recurse))
self.send_result(target, errors)
return chunk_listing, meta
def check_container(self, target, recurse=0):
account = target.account
container = target.container
cached = self._get_cached_or_lock((account, container))
if cached is not None:
return cached
self.logger.info('Checking container "%s"', target)
account_listing = self.check_account(target.copy_account())
errors = list()
if container not in account_listing:
errors.append('Missing from account listing')
marker = None
results = []
ct_meta = dict()
extra_args = dict()
if self.limit_listings > 1 and target.obj:
# When we are explicitly checking one object, start the listing
# where this object is supposed to be. Do not use a limit,
# but an end marker, in order to fetch all versions of the object.
extra_args['prefix'] = target.obj
extra_args['end_marker'] = target.obj + '\x00' # HACK
while True:
try:
resp = self.api.object_list(account,
container,
marker=marker,
versions=True,
**extra_args)
except exc.NoSuchContainer as err:
self.container_not_found += 1
errors.append('Not found: %s' % (err, ))
break
except Exception as err:
self.container_exceptions += 1
errors.append('Check failed: %s' % (err, ))
break
truncated = resp.get('truncated', False)
if truncated:
marker = resp['next_marker']
if resp['objects']:
# safeguard, probably useless
if not marker:
marker = resp['objects'][-1]['name']
results.extend(resp['objects'])
if not truncated or self.limit_listings > 1:
break
else:
ct_meta = resp
ct_meta.pop('objects')
break
container_listing = dict()
# Save all object versions, with the most recent first
for obj in results:
container_listing.setdefault(obj['name'], list()).append(obj)
for versions in container_listing.values():
versions.sort(key=lambda o: o['version'], reverse=True)
if self.limit_listings <= 1:
# We just listed the whole container, keep the result in a cache
self.containers_checked += 1
self.list_cache[(account, container)] = container_listing, ct_meta
self._unlock((account, container))
if recurse > 0:
for obj_vers in container_listing.values():
for obj in obj_vers:
tcopy = target.copy_object()
tcopy.obj = obj['name']
tcopy.content_id = obj['id']
tcopy.version = str(obj['version'])
self._spawn_n(self.check_obj, tcopy, recurse - 1)
self.send_result(target, errors)
return container_listing, ct_meta
def check_account(self, target, recurse=0):
account = target.account
cached = self._get_cached_or_lock(account)
if cached is not None:
return cached
self.logger.info('Checking account "%s"', target)
errors = list()
marker = None
results = []
extra_args = dict()
if self.limit_listings > 0 and target.container:
# When we are explicitly checking one container, start the listing
# where this container is supposed to be, and list only one
# container.
extra_args['prefix'] = target.container
extra_args['limit'] = 1
while True:
try:
resp = self.api.container_list(account,
marker=marker,
**extra_args)
except Exception as err:
self.account_exceptions += 1
errors.append('Check failed: %s' % (err, ))
break
if resp:
marker = resp[-1][0]
results.extend(resp)
if self.limit_listings > 0:
break
else:
break
containers = dict()
for container in results:
# Name, number of objects, number of bytes
containers[container[0]] = (container[1], container[2])
if self.limit_listings <= 0:
# We just listed the whole account, keep the result in a cache
self.accounts_checked += 1
self.list_cache[account] = containers
self._unlock(account)
if recurse > 0:
for container in containers:
tcopy = target.copy_account()
tcopy.container = container
self._spawn_n(self.check_container, tcopy, recurse - 1)
self.send_result(target, errors)
return containers
def check(self, target, recurse=0):
if target.type == 'chunk':
self._spawn_n(self.check_chunk, target)
elif target.type == 'object':
self._spawn_n(self.check_obj, target, recurse)
elif target.type == 'container':
self._spawn_n(self.check_container, target, recurse)
else:
self._spawn_n(self.check_account, target, recurse)
def check_all_accounts(self, recurse=0):
all_accounts = self.api.account_list()
for acct in all_accounts:
self.check(Target(acct), recurse=recurse)
def fetch_results(self, rate_limiter=None):
while self.running and not self.result_queue.empty():
res = self.result_queue.get(True)
yield res
# Rate limiting is done on the result queue for now.
# Someday we could implement a submission queue instead of
# letting each worker submit tasks to the pool, and do
# the rate limiting on this queue.
if rate_limiter is not None:
self.run_time = rate_limiter(self.run_time)
def merge_with_delayed_target(self, target):
"""
Merge the specified target with a delayed one.
:returns: the delayed target, if there is one, with an error log
including the errors of the new target. Return the new target
otherwise.
"""
tkey = repr(target)
prev_target = self.delayed_targets.get(tkey, target)
if prev_target is not target:
errors = dict(prev_target.error_log)
errors.update(target.error_log)
prev_target.error_log = sorted(errors.items())
return prev_target
def log_result(self, target):
"""
Log a check result, if it shows errors. Dispatch the errors to the
appropriate destinations (log files, queues, etc.).
"""
# The result may come from a new target, or from an old target
# we checked another time, or both.
target = self.merge_with_delayed_target(target)
if target.has_errors:
time_in_error, confirmations = target.time_in_error()
if (time_in_error < self.min_time_in_error
or confirmations < self.required_confirmations):
self.logger.info("Delaying check for %s, %d/%d confirmations",
target, confirmations,
self.required_confirmations)
self.delayed_targets[repr(target)] = target
else:
if target.type == 'chunk':
self.logger.info(
"Writing error for %s, %d/%d confirmations", target,
confirmations, self.required_confirmations)
self.write_chunk_error(target,
irreparable=target.irreparable)
else:
self.write_error(target, irreparable=target.irreparable)
self.delayed_targets.pop(repr(target), None)
self.logger.warn(
'%s:%s\n%s', target,
' irreparable' if target.irreparable else '',
target.latest_error_result().errors_to_str(err_format=' %s'))
def run(self, rate_limiter=None):
"""
Fetch results and write logs until all jobs have finished.
:returns: a generator yielding check results.
"""
while self.running and (self.pool.running() + self.pool.waiting()):
for result in self.fetch_results(rate_limiter):
self.log_result(result)
yield result
sleep(0.1)
if self.running:
self.pool.waitall()
# No rate limiting
for result in self.fetch_results():
self.log_result(result)
yield result
self.list_cache = CacheDict(self.list_cache.size)
def stop(self):
self.logger.info("Stopping")
self.running = False
def report(self):
success = True
def _report_stat(name, stat):
print("{0:18}: {1}".format(name, stat))
print()
print('Report')
_report_stat("Accounts checked", self.accounts_checked)
if self.account_not_found:
success = False
_report_stat("Missing accounts", self.account_not_found)
if self.account_exceptions:
success = False
_report_stat("Exceptions", self.account_exceptions)
print()
_report_stat("Containers checked", self.containers_checked)
if self.container_not_found:
success = False
_report_stat("Missing containers", self.container_not_found)
if self.container_exceptions:
success = False
_report_stat("Exceptions", self.container_exceptions)
print()
_report_stat("Objects checked", self.objects_checked)
if self.object_not_found:
success = False
_report_stat("Missing objects", self.object_not_found)
if self.object_exceptions:
success = False
_report_stat("Exceptions", self.object_exceptions)
print()
_report_stat("Chunks checked", self.chunks_checked)
if self.chunk_not_found:
success = False
_report_stat("Missing chunks", self.chunk_not_found)
if self.chunk_exceptions:
success = False
_report_stat("Exceptions", self.chunk_exceptions)
return success
class BlobRebuilderWorker(object):
def __init__(self, conf, logger, volume):
self.conf = conf
self.logger = logger or get_logger(conf)
self.volume = volume
self.run_time = 0
self.passes = 0
self.errors = 0
self.last_reported = 0
self.chunks_run_time = 0
self.bytes_running_time = 0
self.bytes_processed = 0
self.total_bytes_processed = 0
self.total_chunks_processed = 0
self.dry_run = true_value(conf.get('dry_run', False))
self.report_interval = int_value(conf.get('report_interval'), 3600)
self.max_chunks_per_second = int_value(conf.get('chunks_per_second'),
30)
self.max_bytes_per_second = int_value(conf.get('bytes_per_second'),
10000000)
self.rdir_fetch_limit = int_value(conf.get('rdir_fetch_limit'), 100)
self.allow_same_rawx = true_value(conf.get('allow_same_rawx'))
self.rdir_client = RdirClient(conf)
self.content_factory = ContentFactory(conf)
def rebuilder_pass_with_lock(self):
self.rdir_client.admin_lock(self.volume,
"rebuilder on %s" % gethostname())
try:
self.rebuilder_pass()
finally:
self.rdir_client.admin_unlock(self.volume)
def rebuilder_pass(self):
start_time = report_time = time.time()
total_errors = 0
rebuilder_time = 0
chunks = self.rdir_client.chunk_fetch(self.volume,
limit=self.rdir_fetch_limit,
rebuild=True)
for container_id, content_id, chunk_id, data in chunks:
loop_time = time.time()
if self.dry_run:
self.dryrun_chunk_rebuild(container_id, content_id, chunk_id)
else:
self.safe_chunk_rebuild(container_id, content_id, chunk_id)
self.chunks_run_time = ratelimit(self.chunks_run_time,
self.max_chunks_per_second)
self.total_chunks_processed += 1
now = time.time()
if now - self.last_reported >= self.report_interval:
self.logger.info(
'RUN %(volume)s '
'started=%(start_time)s '
'passes=%(passes)d '
'errors=%(errors)d '
'chunks=%(nb_chunks)d %(c_rate).2f/s '
'bytes=%(nb_bytes)d %(b_rate).2fB/s '
'elapsed=%(total).2f '
'(rebuilder: %(rebuilder_rate).2f%%)' % {
'volume':
self.volume,
'start_time':
datetime.fromtimestamp(int(report_time)).isoformat(),
'passes':
self.passes,
'errors':
self.errors,
'nb_chunks':
self.total_chunks_processed,
'nb_bytes':
self.total_bytes_processed,
'c_rate':
self.passes / (now - report_time),
'b_rate':
self.bytes_processed / (now - report_time),
'total': (now - start_time),
'rebuilder_time':
rebuilder_time,
'rebuilder_rate':
100.0 * rebuilder_time / float(now - start_time)
})
report_time = now
total_errors += self.errors
self.passes = 0
self.bytes_processed = 0
self.last_reported = now
rebuilder_time += (now - loop_time)
end_time = time.time()
elapsed = (end_time - start_time) or 0.000001
self.logger.info(
'DONE %(volume)s '
'started=%(start_time)s '
'ended=%(end_time)s '
'elapsed=%(elapsed).02f '
'errors=%(errors)d '
'chunks=%(nb_chunks)d %(c_rate).2f/s '
'bytes=%(nb_bytes)d %(b_rate).2fB/s '
'elapsed=%(rebuilder_time).2f '
'(rebuilder: %(rebuilder_rate).2f%%)' % {
'volume': self.volume,
'start_time': datetime.fromtimestamp(
int(start_time)).isoformat(),
'end_time': datetime.fromtimestamp(int(end_time)).isoformat(),
'elapsed': elapsed,
'errors': total_errors + self.errors,
'nb_chunks': self.total_chunks_processed,
'nb_bytes': self.total_bytes_processed,
'c_rate': self.total_chunks_processed / elapsed,
'b_rate': self.total_bytes_processed / elapsed,
'rebuilder_time': rebuilder_time,
'rebuilder_rate': 100.0 * rebuilder_time / float(elapsed)
})
def dryrun_chunk_rebuild(self, container_id, content_id, chunk_id):
self.logger.info(
"[dryrun] Rebuilding "
"container %s, content %s, chunk %s", container_id, content_id,
chunk_id)
self.passes += 1
def safe_chunk_rebuild(self, container_id, content_id, chunk_id):
try:
self.chunk_rebuild(container_id, content_id, chunk_id)
except Exception as e:
self.errors += 1
self.logger.error('ERROR while rebuilding chunk %s|%s|%s) : %s',
container_id, content_id, chunk_id, e)
self.passes += 1
def chunk_rebuild(self, container_id, content_id, chunk_id):
self.logger.info('Rebuilding (container %s, content %s, chunk %s)',
container_id, content_id, chunk_id)
try:
content = self.content_factory.get(container_id, content_id)
except ContentNotFound:
raise exc.OrphanChunk('Content not found')
chunk = content.chunks.filter(id=chunk_id).one()
if chunk is None:
raise OrphanChunk("Chunk not found in content")
chunk_size = chunk.size
content.rebuild_chunk(chunk_id, allow_same_rawx=self.allow_same_rawx)
self.rdir_client.chunk_delete(self.volume, container_id, content_id,
chunk_id)
self.bytes_processed += chunk_size
self.total_bytes_processed += chunk_size
class TestIndexerCrawler(BaseTestCase):
def setUp(self):
super(TestIndexerCrawler, self).setUp()
self.namespace = self.conf['namespace']
self.rawx_conf = self.conf['services']['rawx'][0]
self.conf = {"namespace": self.namespace,
"volume": self.rawx_conf['path']}
self.rdir_client = RdirClient(self.conf)
def tearDown(self):
super(TestIndexerCrawler, self).tearDown()
def _create_chunk(self, rawx_path, alias="toto"):
container_id = random_id(64)
content_id = random_id(32)
chunk_id = random_id(64)
chunk_dir = "%s/%s" % (rawx_path, chunk_id[0:3])
if not os.path.isdir(chunk_dir):
os.makedirs(chunk_dir)
chunk_path = "%s/%s" % (chunk_dir, chunk_id)
with open(chunk_path, "w") as f:
f.write("toto")
xattr.setxattr(
chunk_path, 'user.' + chunk_xattr_keys['chunk_hash'], 32 * '0')
xattr.setxattr(
chunk_path, 'user.' + chunk_xattr_keys['chunk_id'], chunk_id)
xattr.setxattr(
chunk_path, 'user.' + chunk_xattr_keys['chunk_pos'], '0')
xattr.setxattr(
chunk_path, 'user.' + chunk_xattr_keys['chunk_size'], '4')
xattr.setxattr(
chunk_path, 'user.' + chunk_xattr_keys['container_id'],
container_id)
xattr.setxattr(
chunk_path, 'user.' + chunk_xattr_keys['content_id'], content_id)
xattr.setxattr(
chunk_path, 'user.' + chunk_xattr_keys['content_path'], alias)
xattr.setxattr(
chunk_path, 'user.' + chunk_xattr_keys['content_policy'],
'TESTPOLICY')
xattr.setxattr(
chunk_path, 'user.' + chunk_xattr_keys['content_chunkmethod'],
'plain/nb_copy=3')
xattr.setxattr(
chunk_path, 'user.' + chunk_xattr_keys['content_version'], '0')
return chunk_path, container_id, content_id, chunk_id
def _rdir_get(self, rawx_addr, container_id, content_id, chunk_id):
data = self.rdir_client.chunk_fetch(rawx_addr)
key = (container_id, content_id, chunk_id)
for i_container, i_content, i_chunk, i_value in data:
if (i_container, i_content, i_chunk) == key:
return i_value
return None
def _test_index_chunk(self, alias="toto"):
# create a fake chunk
chunk_path, container_id, content_id, chunk_id = self._create_chunk(
self.rawx_conf['path'], alias)
# index the chunk
indexer = BlobIndexer(self.conf)
with mock.patch('oio.blob.indexer.time.time',
mock.MagicMock(return_value=1234)):
indexer.update_index(chunk_path)
# check rdir
check_value = self._rdir_get(self.rawx_conf['addr'], container_id,
content_id, chunk_id)
self.assertIsNotNone(check_value)
self.assertEqual(check_value['mtime'], 1234)
# index a chunk already indexed
with mock.patch('oio.blob.indexer.time.time',
mock.MagicMock(return_value=4567)):
indexer.update_index(chunk_path)
# check rdir
check_value = self._rdir_get(self.rawx_conf['addr'], container_id,
content_id, chunk_id)
self.assertIsNotNone(check_value)
self.assertEqual(check_value['mtime'], 4567)
def test_index_chunk(self):
return self._test_index_chunk()
def test_index_unicode_chunk(self):
return self._test_index_chunk('a%%%s%d%xà ç"\r\n{0}€ 1+1=2/\\$\t_')
def test_index_chunk_missing_xattr(self):
# create a fake chunk
chunk_path, container_id, content_id, chunk_id = self._create_chunk(
self.rawx_conf['path'])
# remove mandatory xattr
xattr.removexattr(
chunk_path, 'user.' + chunk_xattr_keys['container_id'])
# try to index the chunk
indexer = BlobIndexer(self.conf)
self.assertRaises(FaultyChunk, indexer.update_index, chunk_path)
class TestRdirClient(unittest.TestCase):
def setUp(self):
super(TestRdirClient, self).setUp()
self.namespace = "dummy"
self.rdir_client = RdirClient({'namespace': self.namespace},
endpoint='127.0.0.0:6000')
self.rdir_client._get_rdir_addr = Mock(return_value="0.1.2.3:4567")
self.container_id_1 = random_id(64)
self.container_id_2 = random_id(64)
self.container_id_3 = random_id(64)
self.content_id_1 = random_id(32)
self.content_id_2 = random_id(32)
self.content_id_3 = random_id(32)
self.chunk_id_1 = random_id(64)
self.chunk_id_2 = random_id(64)
self.chunk_id_3 = random_id(64)
def tearDown(self):
super(TestRdirClient, self).tearDown()
del self.rdir_client
def test_fetch_one_req_post(self):
self.rdir_client._direct_request = Mock(
side_effect=[
(
FakeResponse(200),
[
["%s|%s|%s" %
(self.container_id_1, self.content_id_1,
self.chunk_id_1), {'mtime': 10}],
["%s|%s|%s" %
(self.container_id_2, self.content_id_2,
self.chunk_id_2), {'mtime': 20}],
]
),
(FakeResponse(204), None)
])
gen = self.rdir_client.chunk_fetch("volume", limit=2)
items = list(gen)
self.assertEqual(
items[0], (self.container_id_1, self.content_id_1,
self.chunk_id_1, {'mtime': 10}))
self.assertEqual(
items[1], (self.container_id_2, self.content_id_2,
self.chunk_id_2, {'mtime': 20}))
self.assertEqual(2, len(items))
self.assertEqual(self.rdir_client._direct_request.call_count, 2)
def test_fetch_multi_req(self):
self.rdir_client._direct_request = Mock(
side_effect=[
(
FakeResponse(200),
[
["%s|%s|%s" %
(self.container_id_1, self.content_id_1,
self.chunk_id_1), {'mtime': 10}],
["%s|%s|%s" %
(self.container_id_2, self.content_id_2,
self.chunk_id_2), {'mtime': 20}],
]
),
(
FakeResponse(200),
[
["%s|%s|%s" %
(self.container_id_3, self.content_id_3,
self.chunk_id_3), {'mtime': 30}],
]
),
(FakeResponse(204), None)
])
gen = self.rdir_client.chunk_fetch("volume", limit=2)
items = list(gen)
self.assertEqual(
items[0], (self.container_id_1, self.content_id_1,
self.chunk_id_1, {'mtime': 10}))
self.assertEqual(
items[1], (self.container_id_2, self.content_id_2,
self.chunk_id_2, {'mtime': 20}))
self.assertEqual(
items[2], (self.container_id_3, self.content_id_3,
self.chunk_id_3, {'mtime': 30}))
self.assertEqual(3, len(items))
self.assertEqual(self.rdir_client._direct_request.call_count, 3)
class TestRdirClient(BaseTestCase):
def setUp(self):
super(TestRdirClient, self).setUp()
self.namespace = self.conf['namespace']
self.rdir_client = RdirClient({'namespace': self.namespace})
self.rdir_client._get_rdir_addr = Mock(return_value="0.1.2.3:4567")
self.container_id_1 = random_id(64)
self.container_id_2 = random_id(64)
self.container_id_3 = random_id(64)
self.content_id_1 = random_id(32)
self.content_id_2 = random_id(32)
self.content_id_3 = random_id(32)
self.chunk_id_1 = random_id(64)
self.chunk_id_2 = random_id(64)
self.chunk_id_3 = random_id(64)
def tearDown(self):
super(TestRdirClient, self).tearDown()
del self.rdir_client
def test_fetch_one_req_post(self):
self.rdir_client._direct_request = Mock(side_effect=[(Mock(), [
[
"%s|%s|%s" %
(self.container_id_1, self.content_id_1, self.chunk_id_1), {
'mtime': 10
}
],
[
"%s|%s|%s" %
(self.container_id_2, self.content_id_2, self.chunk_id_2), {
'mtime': 20
}
],
])])
gen = self.rdir_client.chunk_fetch("volume", limit=2)
self.assertEqual(
gen.next(),
(self.container_id_1, self.content_id_1, self.chunk_id_1, {
'mtime': 10
}))
self.assertEqual(
gen.next(),
(self.container_id_2, self.content_id_2, self.chunk_id_2, {
'mtime': 20
}))
self.assertRaises(StopIteration, gen.next)
self.assertEqual(self.rdir_client._direct_request.call_count, 2)
def test_fetch_multi_req(self):
self.rdir_client._direct_request = Mock(
side_effect=[(Mock(), [
[
"%s|%s|%s" % (self.container_id_1, self.content_id_1,
self.chunk_id_1), {
'mtime': 10
}
],
[
"%s|%s|%s" % (self.container_id_2, self.content_id_2,
self.chunk_id_2), {
'mtime': 20
}
],
]),
(Mock(), [
[
"%s|%s|%s" %
(self.container_id_3, self.content_id_3,
self.chunk_id_3), {
'mtime': 30
}
],
])])
gen = self.rdir_client.chunk_fetch("volume", limit=2)
self.assertEqual(
gen.next(),
(self.container_id_1, self.content_id_1, self.chunk_id_1, {
'mtime': 10
}))
self.assertEqual(
gen.next(),
(self.container_id_2, self.content_id_2, self.chunk_id_2, {
'mtime': 20
}))
self.assertEqual(
gen.next(),
(self.container_id_3, self.content_id_3, self.chunk_id_3, {
'mtime': 30
}))
self.assertRaises(StopIteration, gen.next)
self.assertEqual(self.rdir_client._direct_request.call_count, 3)
class Checker(object):
def __init__(self,
namespace,
concurrency=50,
error_file=None,
rebuild_file=None,
full=True,
limit_listings=0,
request_attempts=1,
logger=None,
verbose=False,
integrity=False):
self.pool = GreenPool(concurrency)
self.error_file = error_file
self.full = bool(full)
self.integrity = bool(integrity)
# Optimisation for when we are only checking one object
# or one container.
# 0 -> do not limit
# 1 -> limit account listings (list of containers)
# 2 -> limit container listings (list of objects)
self.limit_listings = limit_listings
if self.error_file:
outfile = open(self.error_file, 'a')
self.error_writer = csv.writer(outfile, delimiter=' ')
self.rebuild_file = rebuild_file
if self.rebuild_file:
fd = open(self.rebuild_file, 'a')
self.rebuild_writer = csv.writer(fd, delimiter='|')
self.logger = logger or get_logger(
{'namespace': namespace}, name='integrity', verbose=verbose)
self.api = ObjectStorageApi(namespace,
logger=self.logger,
max_retries=request_attempts - 1,
request_attempts=request_attempts)
self.rdir_client = RdirClient({"namespace": namespace},
logger=self.logger)
self.accounts_checked = 0
self.containers_checked = 0
self.objects_checked = 0
self.chunks_checked = 0
self.account_not_found = 0
self.container_not_found = 0
self.object_not_found = 0
self.chunk_not_found = 0
self.account_exceptions = 0
self.container_exceptions = 0
self.object_exceptions = 0
self.chunk_exceptions = 0
self.list_cache = {}
self.running = {}
self.running_lock = Semaphore(1)
self.result_queue = Queue()
def complete_target_from_chunk_metadata(self, target, xattr_meta):
"""
Complete a Target object from metadata found in chunk's extended
attributes. In case the "fullpath" is not available, try to read
legacy metadata, and maybe ask meta1 to resolve the CID into
account and container names.
"""
# pylint: disable=unbalanced-tuple-unpacking
try:
acct, ct, path, vers, content_id = \
decode_fullpath(xattr_meta['full_path'])
target.account = acct
target.container = ct
target.obj = path
target.content_id = content_id
target.version = vers
except KeyError:
# No fullpath header, try legacy headers
if 'content_path' in xattr_meta:
target.obj = xattr_meta['content_path']
if 'content_id' in xattr_meta:
target.content_id = xattr_meta['content_id']
if 'content_version' in xattr_meta:
target.version = xattr_meta['content_version']
cid = xattr_meta.get('container_id')
if cid:
try:
md = self.api.directory.show(cid=cid)
acct = md.get('account')
ct = md.get('name')
if acct:
target.account = acct
if ct:
target.container = ct
except Exception as err:
self.logger.warn(
"Failed to resolve CID %s into account "
"and container names: %s", cid, err)
def recover_and_complete_object_meta(self, target, chunk):
_, rawx_service, chunk_id = chunk.rsplit('/', 2)
# 1. Fetch chunk list from rdir (could be cached).
# Unfortunately we cannot seek for a chunk ID.
entries = [
x for x in self.rdir_client.chunk_fetch(rawx_service, limit=-1)
if x[2] == chunk_id
]
if not entries:
self.logger.warn('Chunk %s not found in rdir' % chunk_id)
return
elif len(entries) > 1:
self.logger.info('Chunk %s appears in %d objects', chunk_id,
len(entries))
# 2. Find content and container IDs
target.cid, target.content_id = entries[0][0:2]
meta = self.api.object_get_properties(None,
None,
None,
cid=target.cid,
content=target.content_id)
target.obj = meta['name']
target.version = meta['version']
target.account, target.container = self.api.resolve_cid(target.cid)
def send_result(self, target, errors=None):
"""
Put an item in the result queue.
"""
# TODO(FVE): send to an external queue.
self.result_queue.put(ItemResult(target, errors))
def write_error(self, target, irreparable=False):
if not self.error_file:
return
error = list()
if irreparable:
error.append('#IRREPARABLE')
error.append(target.account)
if target.container:
error.append(target.container)
if target.obj:
error.append(target.obj)
if target.chunk:
error.append(target.chunk)
self.error_writer.writerow(error)
def write_rebuilder_input(self, target, irreparable=False):
# FIXME(FVE): cid can be computed from account and container names
if target.cid:
cid = target.cid
else:
ct_meta = self.list_cache[(target.account, target.container)][1]
try:
cid = ct_meta['system']['sys.name'].split('.', 1)[0]
except KeyError:
cid = ct_meta['properties']['sys.name'].split('.', 1)[0]
error = list()
if irreparable:
error.append('#IRREPARABLE')
error.append(cid)
# FIXME(FVE): ensure we always resolve content_id,
# or pass object version along with object name.
error.append(target.content_id or target.obj)
error.append(target.chunk)
self.rebuild_writer.writerow(error)
def write_chunk_error(self, target, chunk=None, irreparable=False):
if chunk is not None:
target = target.copy()
target.chunk = chunk
self.write_error(target, irreparable=irreparable)
if self.rebuild_file:
self.write_rebuilder_input(target, irreparable=irreparable)
def _check_chunk_xattr(self, target, obj_meta, xattr_meta):
"""
Check coherency of chunk extended attributes with object metadata.
:returns: a list of errors
"""
errors = list()
# Composed position -> erasure coding
attr_prefix = 'meta' if '.' in obj_meta['pos'] else ''
attr_key = attr_prefix + 'chunk_size'
if str(obj_meta['size']) != xattr_meta.get(attr_key):
errors.append(
"'%s' xattr (%s) differs from size in meta2 (%s)" %
(attr_key, xattr_meta.get(attr_key), obj_meta['size']))
attr_key = attr_prefix + 'chunk_hash'
if obj_meta['hash'] != xattr_meta.get(attr_key):
errors.append(
"'%s' xattr (%s) differs from hash in meta2 (%s)" %
(attr_key, xattr_meta.get(attr_key), obj_meta['hash']))
return errors
def _check_chunk(self, target):
"""
Execute various checks on a chunk:
- does it appear in object's chunk list?
- is it reachable?
- are its extended attributes coherent?
:returns: the list of errors encountered,
and the chunk's owner object metadata.
"""
chunk = target.chunk
errors = list()
obj_meta = None
xattr_meta = None
try:
xattr_meta = self.api.blob_client.chunk_head(
chunk, xattr=self.full, check_hash=self.integrity)
except exc.NotFound as err:
self.chunk_not_found += 1
errors.append('Not found: %s' % (err, ))
except exc.FaultyChunk as err:
self.chunk_exceptions += 1
errors.append('Faulty: %r' % (err, ))
except Exception as err:
self.chunk_exceptions += 1
errors.append('Check failed: %s' % (err, ))
if not target.obj:
if xattr_meta:
self.complete_target_from_chunk_metadata(target, xattr_meta)
else:
self.recover_and_complete_object_meta(target, chunk)
if target.obj:
obj_listing, obj_meta = self.check_obj(target.copy_object())
if chunk not in obj_listing:
errors.append('Missing from object listing')
db_meta = dict()
else:
db_meta = obj_listing[chunk]
if db_meta and xattr_meta and self.full:
errors.extend(
self._check_chunk_xattr(target, db_meta, xattr_meta))
self.send_result(target, errors)
self.chunks_checked += 1
return errors, obj_meta
def check_chunk(self, target):
errors, _obj_meta = self._check_chunk(target)
return errors
def _check_metachunk(self, target, stg_met, pos, chunks, recurse=0):
"""
Check that a metachunk has the right number of chunks.
:returns: the list of errors
"""
required = stg_met.expected_chunks
errors = list()
if len(chunks) < required:
missing_chunks = required - len(chunks)
if stg_met.ec:
subs = {x['num'] for x in chunks}
for sub in range(required):
if sub not in subs:
errors.append("Missing chunk at position %d.%d" %
(pos, sub))
else:
for _ in range(missing_chunks):
errors.append("Missing chunk at position %d" % pos)
if recurse > 0:
for chunk in chunks:
tcopy = target.copy()
tcopy.chunk = chunk['url']
chunk_errors, _ = self._check_chunk(tcopy)
if chunk_errors:
# The errors have already been reported by _check_chunk,
# but we must count this chunk among the unusable chunks
# of the current metachunk.
errors.append("Unusable chunk %s at position %s" %
(chunk['url'], chunk['pos']))
irreparable = required - len(errors) < stg_met.min_chunks_to_read
if irreparable:
errors.append(
"Unavailable metachunk at position %s (%d/%d chunks)" %
(pos, required - len(errors), stg_met.expected_chunks))
# Since the "metachunk" is not an official item type,
# this method does not report errors itself. Errors will
# be reported as object errors.
return errors
def _check_obj_policy(self, target, obj_meta, chunks, recurse=0):
"""
Check that the list of chunks of an object matches
the object's storage policy.
:returns: the list of errors encountered
"""
stg_met = STORAGE_METHODS.load(obj_meta['chunk_method'])
chunks_by_pos = _sort_chunks(chunks, stg_met.ec)
tasks = list()
for pos, pchunks in chunks_by_pos.iteritems():
tasks.append((pos,
self.pool.spawn(self._check_metachunk,
target.copy(),
stg_met,
pos,
pchunks,
recurse=recurse)))
errors = list()
for pos, task in tasks:
try:
errors.extend(task.wait())
except Exception as err:
errors.append("Check failed: pos %d: %s" % (pos, err))
return errors
def check_obj_versions(self, target, versions, recurse=0):
"""
Run checks of all versions of the targeted object in parallel.
"""
tasks = list()
for ov in versions:
tcopy = target.copy_object()
tcopy.content_id = ov['id']
tcopy.version = str(ov['version'])
tasks.append((tcopy.version,
self.pool.spawn(self.check_obj,
tcopy,
recurse=recurse)))
errors = list()
for version, task in tasks:
try:
task.wait()
except Exception as err:
errors.append("Check failed: version %s: %s" % (version, err))
if errors:
# Send a result with the target without version to tell
# we were not able to check all versions of the object.
self.send_result(target, errors)
def _load_obj_meta(self, target, errors):
"""
Load object metadata and chunks.
:param target: which object to check.
:param errors: list of errors that will be appended
in case any error occurs.
:returns: a tuple with object metadata and a list of chunks.
"""
try:
return self.api.object_locate(target.account,
target.container,
target.obj,
version=target.version,
properties=False)
except exc.NoSuchObject as err:
self.object_not_found += 1
errors.append('Not found: %s' % (err, ))
except Exception as err:
self.object_exceptions += 1
errors.append('Check failed: %s' % (err, ))
return None, []
def _get_cached_or_lock(self, lock_key):
# If something is running, wait for it
with self.running_lock:
event = self.running.get(lock_key)
if event:
event.wait()
event = None
# Maybe get a cached result
if lock_key in self.list_cache:
return self.list_cache[lock_key]
# No cached result, try to compute the thing ourselves
while True:
with self.running_lock:
# Another check while locked
if lock_key in self.list_cache:
return self.list_cache[lock_key]
# Still nothing cached
event = self.running.get(lock_key)
if event is None:
self.running[lock_key] = Event()
return None
event.wait()
def _unlock(self, lock_key):
with self.running_lock:
event = self.running[lock_key]
del self.running[lock_key]
event.send(True)
def check_obj(self, target, recurse=0):
"""
Check one object version.
If no version is specified, all versions of the object will be checked.
:returns: the result of the check of the most recent version,
or the one that is explicitly targeted.
"""
account = target.account
container = target.container
obj = target.obj
vers = target.version # can be None
cached = self._get_cached_or_lock((account, container, obj, vers))
if cached:
return cached
self.logger.info('Checking object "%s"', target)
container_listing, _ = self.check_container(target.copy_container())
errors = list()
if obj not in container_listing:
errors.append('Missing from container listing')
# checksum = None
else:
versions = container_listing[obj]
if vers is None:
if target.content_id is None:
# No version specified, check all versions
self.check_obj_versions(target.copy_object(),
versions,
recurse=recurse)
# Now return the cached result of the most recent version
target.content_id = versions[0]['id']
target.version = str(versions[0]['version'])
res = self.check_obj(target, recurse=0)
self._unlock((account, container, obj, vers))
return res
else:
for ov in versions:
if ov['id'] == target.content_id:
vers = str(ov['version'])
target.version = vers
break
else:
errors.append('Missing from container listing')
# TODO check checksum match
# checksum = container_listing[obj]['hash']
pass
meta, chunks = self._load_obj_meta(target, errors)
chunk_listing = {c['url']: c for c in chunks}
if meta:
if target.content_id is None:
target.content_id = meta['id']
if target.version is None:
target.version = str(meta['version'])
self.list_cache[(account, container, obj, vers)] = \
(chunk_listing, meta)
self.objects_checked += 1
self._unlock((account, container, obj, vers))
# Skip the check if we could not locate the object
if meta:
errors.extend(
self._check_obj_policy(target, meta, chunks, recurse=recurse))
self.send_result(target, errors)
return chunk_listing, meta
def check_container(self, target, recurse=0):
account = target.account
container = target.container
cached = self._get_cached_or_lock((account, container))
if cached:
return cached
self.logger.info('Checking container "%s"', target)
account_listing = self.check_account(target.copy_account())
errors = list()
if container not in account_listing:
errors.append('Missing from account listing')
marker = None
results = []
ct_meta = dict()
extra_args = dict()
if self.limit_listings > 1 and target.obj:
# When we are explicitly checking one object, start the listing
# where this object is supposed to be. Do not use a limit,
# but an end marker, in order to fetch all versions of the object.
extra_args['prefix'] = target.obj
extra_args['end_marker'] = target.obj + '\x00' # HACK
while True:
try:
resp = self.api.object_list(account,
container,
marker=marker,
versions=True,
**extra_args)
except exc.NoSuchContainer as err:
self.container_not_found += 1
errors.append('Not found: %s' % (err, ))
break
except Exception as err:
self.container_exceptions += 1
errors.append('Check failed: %s' % (err, ))
break
if resp.get('truncated', False):
marker = resp['next_marker']
if resp['objects']:
# safeguard, probably useless
if not marker:
marker = resp['objects'][-1]['name']
results.extend(resp['objects'])
if self.limit_listings > 1:
break
else:
ct_meta = resp
ct_meta.pop('objects')
break
container_listing = dict()
# Save all object versions, with the most recent first
for obj in results:
container_listing.setdefault(obj['name'], list()).append(obj)
for versions in container_listing.values():
versions.sort(key=lambda o: o['version'], reverse=True)
if self.limit_listings <= 1:
# We just listed the whole container, keep the result in a cache
self.containers_checked += 1
self.list_cache[(account, container)] = container_listing, ct_meta
self._unlock((account, container))
if recurse > 0:
for obj_vers in container_listing.values():
for obj in obj_vers:
tcopy = target.copy_object()
tcopy.obj = obj['name']
tcopy.content_id = obj['id']
tcopy.version = str(obj['version'])
self.pool.spawn_n(self.check_obj, tcopy, recurse - 1)
self.send_result(target, errors)
return container_listing, ct_meta
def check_account(self, target, recurse=0):
account = target.account
cached = self._get_cached_or_lock(account)
if cached:
return cached
self.logger.info('Checking account "%s"', target)
errors = list()
marker = None
results = []
extra_args = dict()
if self.limit_listings > 0 and target.container:
# When we are explicitly checking one container, start the listing
# where this container is supposed to be, and list only one
# container.
extra_args['prefix'] = target.container
extra_args['limit'] = 1
while True:
try:
resp = self.api.container_list(account,
marker=marker,
**extra_args)
except Exception as err:
self.account_exceptions += 1
errors.append('Check failed: %s' % (err, ))
break
if resp:
marker = resp[-1][0]
results.extend(resp)
if self.limit_listings > 0:
break
else:
break
containers = dict()
for container in results:
# Name, number of objects, number of bytes
containers[container[0]] = (container[1], container[2])
if self.limit_listings <= 0:
# We just listed the whole account, keep the result in a cache
self.accounts_checked += 1
self.list_cache[account] = containers
self._unlock(account)
if recurse > 0:
for container in containers:
tcopy = target.copy_account()
tcopy.container = container
self.pool.spawn_n(self.check_container, tcopy, recurse - 1)
self.send_result(target, errors)
return containers
def check(self, target, recurse=0):
if target.type == 'chunk':
self.pool.spawn_n(self.check_chunk, target)
elif target.type == 'object':
self.pool.spawn_n(self.check_obj, target, recurse)
elif target.type == 'container':
self.pool.spawn_n(self.check_container, target, recurse)
else:
self.pool.spawn_n(self.check_account, target, recurse)
def check_all_accounts(self, recurse=0):
all_accounts = self.api.account_list()
for acct in all_accounts:
self.check(Target(acct), recurse=recurse)
def fetch_results(self):
while not self.result_queue.empty():
res = self.result_queue.get(True)
yield res
def log_result(self, result):
if result.errors:
if result.target.type == 'chunk':
# FIXME(FVE): check error criticity
# and set the irreparable flag.
self.write_chunk_error(result.target)
else:
self.write_error(result.target)
self.logger.warn('%s:\n%s', result.target,
result.errors_to_str(err_format=' %s'))
def run(self):
"""
Fetch results and write logs until all jobs have finished.
:returns: a generator yielding check results.
"""
while self.pool.running() + self.pool.waiting():
for result in self.fetch_results():
self.log_result(result)
yield result
sleep(0.1)
self.pool.waitall()
for result in self.fetch_results():
self.log_result(result)
yield result
def report(self):
success = True
def _report_stat(name, stat):
print("{0:18}: {1}".format(name, stat))
print()
print('Report')
_report_stat("Accounts checked", self.accounts_checked)
if self.account_not_found:
success = False
_report_stat("Missing accounts", self.account_not_found)
if self.account_exceptions:
success = False
_report_stat("Exceptions", self.account_exceptions)
print()
_report_stat("Containers checked", self.containers_checked)
if self.container_not_found:
success = False
_report_stat("Missing containers", self.container_not_found)
if self.container_exceptions:
success = False
_report_stat("Exceptions", self.container_exceptions)
print()
_report_stat("Objects checked", self.objects_checked)
if self.object_not_found:
success = False
_report_stat("Missing objects", self.object_not_found)
if self.object_exceptions:
success = False
_report_stat("Exceptions", self.object_exceptions)
print()
_report_stat("Chunks checked", self.chunks_checked)
if self.chunk_not_found:
success = False
_report_stat("Missing chunks", self.chunk_not_found)
if self.chunk_exceptions:
success = False
_report_stat("Exceptions", self.chunk_exceptions)
return success
class TestBlobIndexer(BaseTestCase):
def setUp(self):
super(TestBlobIndexer, self).setUp()
self.rdir_client = RdirClient(self.conf)
self.blob_client = BlobClient(self.conf)
_, self.rawx_path, rawx_addr, _ = \
self.get_service_url('rawx')
services = self.conscience.all_services('rawx')
self.rawx_id = None
for rawx in services:
if rawx_addr == rawx['addr']:
self.rawx_id = rawx['tags'].get('tag.service_id', None)
if self.rawx_id is None:
self.rawx_id = rawx_addr
conf = self.conf.copy()
conf['volume'] = self.rawx_path
self.blob_indexer = BlobIndexer(conf)
# clear rawx/rdir
chunk_files = paths_gen(self.rawx_path)
for chunk_file in chunk_files:
os.remove(chunk_file)
self.rdir_client.admin_clear(self.rawx_id, clear_all=True)
def _put_chunk(self):
account = random_str(16)
container = random_str(16)
cid = cid_from_name(account, container)
content_path = random_str(16)
content_version = 1234567890
content_id = random_id(32)
fullpath = encode_fullpath(account, container, content_path,
content_version, content_id)
chunk_id = random_chunk_id()
data = random_buffer(string.printable, 100)
meta = {
'full_path': fullpath,
'container_id': cid,
'content_path': content_path,
'version': content_version,
'id': content_id,
'chunk_method': 'ec/algo=liberasurecode_rs_vand,k=6,m=3',
'policy': 'TESTPOLICY',
'chunk_hash': md5(data).hexdigest().upper(),
'oio_version': OIO_VERSION,
'chunk_pos': 0,
'metachunk_hash': md5().hexdigest(),
'metachunk_size': 1024
}
self.blob_client.chunk_put('http://' + self.rawx_id + '/' + chunk_id,
meta, data)
sleep(1) # ensure chunk event have been processed
return account, container, cid, content_path, content_version, \
content_id, chunk_id
def _delete_chunk(self, chunk_id):
self.blob_client.chunk_delete('http://' + self.rawx_id + '/' +
chunk_id)
sleep(1) # ensure chunk event have been processed
def _link_chunk(self, target_chunk_id):
account = random_str(16)
container = random_str(16)
cid = cid_from_name(account, container)
content_path = random_str(16)
content_version = 1234567890
content_id = random_id(32)
fullpath = encode_fullpath(account, container, content_path,
content_version, content_id)
_, link = self.blob_client.chunk_link(
'http://' + self.rawx_id + '/' + target_chunk_id, None, fullpath)
chunk_id = link.split('/')[-1]
sleep(1) # ensure chunk event have been processed
return account, container, cid, content_path, content_version, \
content_id, chunk_id
def _chunk_path(self, chunk_id):
return self.rawx_path + '/' + chunk_id[:3] + '/' + chunk_id
def test_blob_indexer(self):
_, _, expected_cid, _, _, expected_content_id, expected_chunk_id = \
self._put_chunk()
chunks = list(self.rdir_client.chunk_fetch(self.rawx_id))
self.assertEqual(1, len(chunks))
cid, content_id, chunk_id, _ = chunks[0]
self.assertEqual(expected_cid, cid)
self.assertEqual(expected_content_id, content_id)
self.assertEqual(expected_chunk_id, chunk_id)
self.rdir_client.admin_clear(self.rawx_id, clear_all=True)
self.blob_indexer.index_pass()
self.assertEqual(1, self.blob_indexer.successes)
self.assertEqual(0, self.blob_indexer.errors)
chunks = self.rdir_client.chunk_fetch(self.rawx_id)
chunks = list(chunks)
self.assertEqual(1, len(chunks))
cid, content_id, chunk_id, _ = chunks[0]
self.assertEqual(expected_cid, cid)
self.assertEqual(expected_content_id, content_id)
self.assertEqual(expected_chunk_id, chunk_id)
self._delete_chunk(expected_chunk_id)
chunks = self.rdir_client.chunk_fetch(self.rawx_id)
chunks = list(chunks)
self.assertEqual(0, len(chunks))
def test_blob_indexer_with_old_chunk(self):
expected_account, expected_container, expected_cid, \
expected_content_path, expected_content_version, \
expected_content_id, expected_chunk_id = self._put_chunk()
chunks = list(self.rdir_client.chunk_fetch(self.rawx_id))
self.assertEqual(1, len(chunks))
cid, content_id, chunk_id, _ = chunks[0]
self.assertEqual(expected_cid, cid)
self.assertEqual(expected_content_id, content_id)
self.assertEqual(expected_chunk_id, chunk_id)
convert_to_old_chunk(self._chunk_path(chunk_id), expected_account,
expected_container, expected_content_path,
expected_content_version, expected_content_id)
self.rdir_client.admin_clear(self.rawx_id, clear_all=True)
self.blob_indexer.index_pass()
self.assertEqual(1, self.blob_indexer.successes)
self.assertEqual(0, self.blob_indexer.errors)
chunks = self.rdir_client.chunk_fetch(self.rawx_id)
chunks = list(chunks)
self.assertEqual(1, len(chunks))
cid, content_id, chunk_id, _ = chunks[0]
self.assertEqual(expected_cid, cid)
self.assertEqual(expected_content_id, content_id)
self.assertEqual(expected_chunk_id, chunk_id)
self._delete_chunk(expected_chunk_id)
chunks = self.rdir_client.chunk_fetch(self.rawx_id)
chunks = list(chunks)
self.assertEqual(0, len(chunks))
def test_blob_indexer_with_linked_chunk(self):
_, _, expected_cid, _, _, expected_content_id, expected_chunk_id = \
self._put_chunk()
chunks = self.rdir_client.chunk_fetch(self.rawx_id)
chunks = list(chunks)
self.assertEqual(1, len(chunks))
cid, content_id, chunk_id, _ = chunks[0]
self.assertEqual(expected_cid, cid)
self.assertEqual(expected_content_id, content_id)
self.assertEqual(expected_chunk_id, chunk_id)
self.rdir_client.admin_clear(self.rawx_id, clear_all=True)
self.blob_indexer.index_pass()
self.assertEqual(1, self.blob_indexer.successes)
self.assertEqual(0, self.blob_indexer.errors)
chunks = self.rdir_client.chunk_fetch(self.rawx_id)
chunks = list(chunks)
self.assertEqual(1, len(chunks))
cid, content_id, chunk_id, _ = chunks[0]
self.assertEqual(expected_cid, cid)
self.assertEqual(expected_content_id, content_id)
self.assertEqual(expected_chunk_id, chunk_id)
_, _, linked_cid, _, _, linked_content_id, linked_chunk_id = \
self._link_chunk(expected_chunk_id)
self.rdir_client.admin_clear(self.rawx_id, clear_all=True)
self.blob_indexer.index_pass()
self.assertEqual(2, self.blob_indexer.successes)
self.assertEqual(0, self.blob_indexer.errors)
chunks = self.rdir_client.chunk_fetch(self.rawx_id)
chunks = list(chunks)
self.assertEqual(2, len(chunks))
self.assertNotEqual(chunks[0][2], chunks[1][2])
for chunk in chunks:
cid, content_id, chunk_id, _ = chunk
if chunk_id == expected_chunk_id:
self.assertEqual(expected_cid, cid)
self.assertEqual(expected_content_id, content_id)
else:
self.assertEqual(linked_cid, cid)
self.assertEqual(linked_content_id, content_id)
self.assertEqual(linked_chunk_id, chunk_id)
self._delete_chunk(expected_chunk_id)
chunks = self.rdir_client.chunk_fetch(self.rawx_id)
chunks = list(chunks)
self.assertEqual(1, len(chunks))
cid, content_id, chunk_id, _ = chunks[0]
self.assertEqual(linked_cid, cid)
self.assertEqual(linked_content_id, content_id)
self.assertEqual(linked_chunk_id, chunk_id)
self._delete_chunk(linked_chunk_id)
chunks = self.rdir_client.chunk_fetch(self.rawx_id)
chunks = list(chunks)
self.assertEqual(0, len(chunks))
class TestIndexerCrawler(BaseTestCase):
def setUp(self):
super(TestIndexerCrawler, self).setUp()
self.namespace = self.conf["namespace"]
self.gridconf = {"namespace": self.namespace}
self.rdir_client = RdirClient(self.gridconf)
def tearDown(self):
super(TestIndexerCrawler, self).tearDown()
def _create_chunk(self, rawx_path):
container_id = generate_id(64)
content_id = generate_id(64)
chunk_id = generate_id(64)
chunk_dir = "%s/%s" % (rawx_path, chunk_id[0:2])
if not os.path.isdir(chunk_dir):
os.makedirs(chunk_dir)
chunk_path = "%s/%s" % (chunk_dir, chunk_id)
with open(chunk_path, "w") as f:
f.write("toto")
xattr.setxattr(chunk_path, "user.grid.chunk.hash", 32 * "0")
xattr.setxattr(chunk_path, "user.grid.chunk.id", chunk_id)
xattr.setxattr(chunk_path, "user.grid.chunk.position", "0")
xattr.setxattr(chunk_path, "user.grid.chunk.size", "4")
xattr.setxattr(chunk_path, "user.grid.content.container", container_id)
xattr.setxattr(chunk_path, "user.grid.content.id", content_id)
xattr.setxattr(chunk_path, "user.grid.content.nbchunk", "1")
xattr.setxattr(chunk_path, "user.grid.content.path", "toto")
xattr.setxattr(chunk_path, "user.grid.content.size", "4")
xattr.setxattr(chunk_path, "user.grid.content.version", "0")
return chunk_path, container_id, content_id, chunk_id
def _rdir_get(self, rawx_addr, container_id, content_id, chunk_id):
data = self.rdir_client.chunk_fetch(rawx_addr)
key = (container_id, content_id, chunk_id)
for i_container, i_content, i_chunk, i_value in data:
if (i_container, i_content, i_chunk) == key:
return i_value
return None
def test_index_chunk(self):
rawx_conf = self.conf["rawx"][0]
# create a fake chunk
chunk_path, container_id, content_id, chunk_id = self._create_chunk(rawx_conf["path"])
# index the chunk
indexer = BlobIndexerWorker(self.gridconf, None, rawx_conf["path"])
with mock.patch("oio.blob.indexer.time.time", mock.MagicMock(return_value=1234)):
indexer.update_index(chunk_path)
# check rdir
check_value = self._rdir_get(rawx_conf["addr"], container_id, content_id, chunk_id)
self.assertIsNotNone(check_value)
self.assertEqual(check_value["content_nbchunks"], 1)
self.assertEqual(check_value["chunk_hash"], 32 * "0")
self.assertEqual(check_value["content_size"], 4)
self.assertEqual(check_value["content_path"], "toto")
self.assertEqual(check_value["chunk_position"], "0")
self.assertEqual(check_value["chunk_size"], 4)
self.assertEqual(check_value["mtime"], 1234)
self.assertEqual(check_value["content_version"], 0)
# index a chunk already indexed
with mock.patch("oio.blob.indexer.time.time", mock.MagicMock(return_value=4567)):
indexer.update_index(chunk_path)
# check rdir
check_value = self._rdir_get(rawx_conf["addr"], container_id, content_id, chunk_id)
self.assertIsNotNone(check_value)
self.assertEqual(check_value["mtime"], 4567)
def test_index_chunk_missing_xattr(self):
rawx_conf = self.conf["rawx"][0]
# create a fake chunk
chunk_path, container_id, content_id, chunk_id = self._create_chunk(rawx_conf["path"])
# remove mandatory xattr
xattr.removexattr(chunk_path, "user.grid.chunk.hash")
# try to index the chunk
indexer = BlobIndexerWorker(self.gridconf, None, rawx_conf["path"])
self.assertRaises(FaultyChunk, indexer.update_index, chunk_path)
