Ejemplo n.º 1
0
def materialize(src_uri, dst_path, config):
    mpath, label, dpath = src_uri.split(',')
    fs = filesystem.LocalFileSystem()
    fs.mkdir(dst_path)
    mf = list(manifest.read_manifest(get_backend_factory(mpath)(), label))
    sq = storagequeue.StorageQueue(get_backend_factory(dpath), CONCURRENCY)
    materialization.materialize(fs, dst_path, mf, sq)
Ejemplo n.º 2
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    def test_bulk_ops(self):
        with storagequeue.StorageQueue(lambda: self.make_backend(), CONCURRENCY) as sq:
            COUNT = 100

            puts = [ storagequeue.PutOperation(prefix(str(n)), str(n)) for n in xrange(0, COUNT) ]
            gets = [ storagequeue.GetOperation(prefix(str(n))) for n in xrange(0, COUNT) ]
            dels = [ storagequeue.DeleteOperation(prefix(str(n))) for n in xrange(0, COUNT) ]

            for p in puts:
                sq.enqueue(p)

            sq.barrier()

            for g in gets:
                sq.enqueue(g)

            sq.barrier()

            for d in dels:
                sq.enqueue(d)

            sq.wait()

            for op in puts + gets + dels:
                self.assertTrue(op.is_done())
                self.assertTrue(op.succeeded())

            self.assertEqual([g.value() for g in gets], [ str(n) for n in xrange(0, COUNT) ])
Ejemplo n.º 3
0
def persist(src_path, dst_uri, config):
    mpath, label, dpath = dst_uri.split(',')
    fs = filesystem.LocalFileSystem()
    traverser = traversal.traverse(fs, src_path)
    sq = storagequeue.StorageQueue(get_backend_factory(dpath), CONCURRENCY)
    mf = list(
        persistence.persist(fs, traverser, None, src_path, sq, blocksize=2000))
    manifest.write_manifest(get_backend_factory(mpath)(), label, mf)
Ejemplo n.º 4
0
    def test_basic(self):
        with storagequeue.StorageQueue(lambda: self.make_backend(), CONCURRENCY) as sq:
            with self.fs.tempdir() as tdir:
                # Populate a tree.
                self.fs.mkdir(self.path(tdir.path, 'testdir'))
                self.fs.open(self.path(tdir.path, 'testdir/testfile'), 'a').close()
                with self.fs.open(self.path(tdir.path, 'testdir/testfile2'), 'a') as f:
                    f.write('this is the body of testfile2')
                self.fs.symlink(self.path(tdir.path, 'testdir/testfile2'),
                                self.path(tdir.path, 'testdir/testfile2-symlink'))
                with self.fs.open(self.path(tdir.path, 'testdir/testfile3'), 'a') as f:
                    f.write('testfile3 body')

                # Traverse it and persist to store.
                traverser = traversal.traverse(self.fs, tdir.path)
                manifest = [ elt for elt in persistence.persist(self.fs,
                                                                traverser,
                                                                None,
                                                                tdir.path,
                                                                sq,
                                                                blocksize=20) ]
                #print meta.to_string() + ' ' + path + ' ' + unicode(hashes)
                self.assertEqual(len(manifest), 5)
                files = self.backend.list()
                self.assertEqual(len(files), 3) # two blocks for 2, one for 3

                file_contents = [ self.backend.get(fname) for fname in files ]

                self.assertTrue('testfile3 body' in file_contents)
                self.assertTrue('this is the body of ' in file_contents)
                self.assertTrue('testfile2' in file_contents)

                for fname in files:
                    self.assertEqual(fname, hash.make_hasher('sha512')(self.backend.get(fname))[1])

                # Create another tempdir and materialize into it, and compare
                # the results.
                with self.fs.tempdir() as rdir:
                    materialization.materialize(self.fs, rdir.path, manifest, sq)

                    def rec(refdir, tstdir):
                        reflst = sorted(self.fs.listdir(refdir))
                        tstlst = sorted(self.fs.listdir(tstdir))

                        self.assertEqual(tstlst, reflst)

                        # todo: confirm file sizes
                        # todo: confirm file contents
                        # todo: confirm file meta

                        for entry in reflst:
                            entrypath = os.path.join(refdir, entry)
                            if not self.fs.is_symlink(entrypath) and self.fs.is_dir(entrypath):
                                rec(entrypath, os.path.join(tstdir, entry))

                    rec(tdir.path, rdir.path)
Ejemplo n.º 5
0
    def test_bad_put_fail(self):
        class FailingPut(storagequeue.PutOperation):
            def execute(self, backend):
                raise AssertionError('put failed for unit testing purposes')

        with logging.FakeLogger(storagequeue, 'log'):
            with storagequeue.StorageQueue(lambda: self.make_backend(), CONCURRENCY) as sq:
                p1 = FailingPut(prefix('test1'), 'data')

                sq.enqueue(p1)

                self.assertRaises(storagequeue.OperationHasFailed, sq.wait)
Ejemplo n.º 6
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    def test_bad_get_fail(self):
        with logging.FakeLogger(storagequeue, 'log'):
            with storagequeue.StorageQueue(lambda: self.make_backend(), CONCURRENCY) as sq:
                p1 = storagequeue.PutOperation(prefix('test1'), 'data')
                g1 = storagequeue.GetOperation(prefix('test1'))
                g2 = storagequeue.GetOperation(prefix('test2'))

                sq.enqueue(p1)
                sq.enqueue(g1)
                sq.enqueue(g2)

                self.assertRaises(storagequeue.OperationHasFailed, sq.wait)
Ejemplo n.º 7
0
    def test_basic(self):
        with storagequeue.StorageQueue(lambda: self.make_backend(), CONCURRENCY) as sq:
            puts = [ storagequeue.PutOperation(prefix('test%s' % (n,)), str(n)) for n in xrange(0, 5) ]
            gets = [ storagequeue.GetOperation(prefix('test%s' % (n,))) for n in xrange(0, 5) ]
            dels = [ storagequeue.DeleteOperation(prefix('test%s' % (n,))) for n in xrange(0, 5) ]

            # PUT
            for p in puts:
                self.assertFalse(p.is_done())
                self.assertRaises(AssertionError, lambda: p.value())
                self.assertRaises(AssertionError, lambda: p.succeeded())
                sq.enqueue(p)

            sq.wait()

            for p in puts:
                self.assertTrue(p.is_done())
                self.assertTrue(p.succeeded())

            # GET + DELETE
            for g in gets:
                self.assertFalse(g.is_done())
                self.assertRaises(AssertionError, lambda: g.value())
                self.assertRaises(AssertionError, lambda: g.succeeded())
                sq.enqueue(g)

            sq.barrier()

            for d in dels:
                self.assertFalse(d.is_done())
                self.assertRaises(AssertionError, lambda: d.value())
                self.assertRaises(AssertionError, lambda: d.succeeded())
                sq.enqueue(d)

            for d in dels:
                d.wait() # test individual op waits

            sq.wait()

            for g in gets:
                self.assertTrue(p.is_done())
                self.assertTrue(p.succeeded())

            self.assertEqual([g.value() for g in gets], [ '0', '1', '2', '3', '4' ])

            for d in dels:
                self.assertTrue(d.is_done())
                self.assertTrue(d.succeeded())
                self.assertEqual(d.value(), None)
Ejemplo n.º 8
0
    def test_basic(self):
        with storagequeue.StorageQueue(lambda: self.make_backend(),
                                       CONCURRENCY) as sq:
            with self.fs.tempdir() as tdir:
                # populate
                self.fs.mkdir(self.path(tdir.path, 'testdir'))
                self.fs.open(self.path(tdir.path, 'testdir/testfile'),
                             'a').close()
                with self.fs.open(self.path(tdir.path, 'testdir/testfile2'),
                                  'a') as f:
                    f.write('this is the body of testfile2')
                self.fs.symlink(
                    self.path(tdir.path, 'testdir/testfile2'),
                    self.path(tdir.path, 'testdir/testfile2-symlink'))
                with self.fs.open(self.path(tdir.path, 'testdir/testfile3'),
                                  'a') as f:
                    f.write('testfile3 body')

                traverser = traversal.traverse(self.fs, tdir.path)
                manifest = [
                    elt for elt in persistence.persist(
                        self.fs, traverser, None, tdir.path, sq, blocksize=20)
                ]
                #print meta.to_string() + ' ' + path + ' ' + unicode(hashes)
                self.assertEqual(len(manifest), 5)
                files = self.backend.list()
                self.assertEqual(len(files), 3)  # two blocks for 2, one for 3

                file_contents = [self.backend.get(fname) for fname in files]

                self.assertTrue('testfile3 body' in file_contents)
                self.assertTrue('this is the body of ' in file_contents)
                self.assertTrue('testfile2' in file_contents)

                for fname in files:
                    self.assertEqual(
                        fname,
                        hash.make_hasher('sha512')(self.backend.get(fname))[1])
Ejemplo n.º 9
0
        if len(mfs) != 0:
            mfs = zip(*mfs)[1]
            uploaded.extend(get_all_blockhashes(mfs))

    if conf.get_option('continue').get_required():
        log.info("checking for previously upped blocks...")
        for hash in bf_data().list():
            hash = hash.strip()
            if len(hash) == 512/4:
                alg = 'sha512' # TODO: assume this?
            uploaded.append( (alg, hash) )

    # run persist
    fs = filesystem.LocalFileSystem()
    traverser = traversal.traverse(fs, src_path)
    sq = storagequeue.StorageQueue(bf_data,
                                   CONCURRENCY)
    mf = list(persistence.persist(fs,
                                  traverser,
                                  None,
                                  src_path,
                                  sq,
                                  blocksize=blocksize,
                                  skip_blocks=uploaded))
    manifest.write_manifest(b_manifest, label, mf)

def materialize(config, src_uri, dst_path, *files):
    if len(files) == 0:
        files = None
    mpath, label, dpath = src_uri.split(',')
    fs = filesystem.LocalFileSystem()
    fs.mkdir(dst_path)