Exemplo n.º 1
0
    def test_heal_mixed_data(self):
        testdb = "test-%s" % self.db
        self._removedb()

        try:
            os.unlink(testdb)
        except (IOError, OSError):
            pass

        schema = [(1, 20)]
        have = [
            1, 2, 3, None, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, None, 17, 18,
            19, None
        ]
        remote = [
            1, 2, 3, 4, 5, 6, None, None, None, None, 11, 12, 13, 14, 15, 16,
            17, 18, None, 20
        ]

        end = int(time.time()) + schema[0][0]
        start = end - (schema[0][1] * schema[0][0])
        times = list(range(start, end, schema[0][0]))

        have_data = [t for t in zip(times, have) if t[1] is not None]
        remote_data = [t for t in zip(times, remote) if t[1] is not None]

        self._createdb(self.db, schema, remote_data)
        self._createdb(testdb, schema, have_data)

        heal_metric(self.db, testdb, overwrite=True)

        final_data = whisper.fetch(testdb, 0)
        self.assertEqual(final_data[1], list(range(1, 21)))
Exemplo n.º 2
0
    def test_heal_mixed_data(self):
        testdb = "test-%s" % self.db
        self._removedb()

        try:
            os.unlink(testdb)
        except (IOError, OSError):
            pass

        schema = [(1, 20)]
        have = [1, 2, 3, None, 5, 6, 7, 8, 9, 10,
                    11, 12, 13, 14, 15, None, 17, 18, 19, None]
        remote = [1, 2, 3, 4, 5, 6, None, None, None, None,
                 11, 12, 13, 14, 15, 16, 17, 18, None, 20]

        end = int(time.time()) + schema[0][0]
        start = end - (schema[0][1] * schema[0][0])
        times = range(start, end, schema[0][0])

        have_data = [t for t in zip(times, have) if t[1] is not None]
        remote_data = [t for t in zip(times, remote) if t[1] is not None]

        self._createdb(self.db, schema, remote_data)
        self._createdb(testdb, schema, have_data)

        heal_metric(self.db, testdb, overwrite=True)

        final_data = whisper.fetch(testdb, 0)
        self.assertEqual(final_data[1], list(range(1,21)))
Exemplo n.º 3
0
    def test_heal_target_corrupt(self):
        testdb = "/dev/null"
        self._removedb()

        schema = [(1, 20)]
        self._createdb(self.db, schema)
        original_data = whisper.fetch(self.db, 0)

        # This should log complaints but exit successfully as it cannot
        # heal its target /dev/null
        heal_metric(self.db, testdb)
        data = whisper.fetch(self.db, 0)
        self.assertEqual(original_data, data)
Exemplo n.º 4
0
    def test_heal_target_corrupt(self):
        testdb = "/dev/null"
        self._removedb()

        schema = [(1, 20)]
        self._createdb(self.db, schema)
        original_data = whisper.fetch(self.db, 0)

        # This should log complaints but exit successfully as it cannot
        # heal its target /dev/null
        heal_metric(self.db, testdb)
        data = whisper.fetch(self.db, 0)
        self.assertEqual(original_data, data)
Exemplo n.º 5
0
    def test_heal_target_missing(self):
        testdb = "test-%s" % self.db
        try:
            os.unlink(testdb)
        except (IOError, OSError):
            pass

        self._removedb()

        schema = [(1, 20)]
        self._createdb(self.db, schema)
        original_data = whisper.fetch(self.db, 0)

        # This should log complaints but exit successfully as it cannot
        # heal its target /dev/null
        heal_metric(self.db, testdb)
        data = whisper.fetch(testdb, 0)
        self.assertEqual(original_data, data)
Exemplo n.º 6
0
    def test_heal_target_missing(self):
        testdb = "test-%s" % self.db
        try:
            os.unlink(testdb)
        except (IOError, OSError):
            pass

        self._removedb()

        schema = [(1, 20)]
        self._createdb(self.db, schema)
        original_data = whisper.fetch(self.db, 0)

        # This should log complaints but exit successfully as it cannot
        # heal its target /dev/null
        heal_metric(self.db, testdb)
        data = whisper.fetch(testdb, 0)
        self.assertEqual(original_data, data)
Exemplo n.º 7
0
def _heal(batch):
    """Heal whisper files.

    This method will backfill data present in files in the
    staging dir if not present in the local files for
    points between 'start' and 'stop' (unix timestamps).
    """
    for metric in batch.metrics_fs:
        src = os.path.join(batch.staging_dir, metric)
        dst = os.path.join(STORAGE_DIR, metric)
        try:
            kwargs = {}
            if HAVE_HEAL_WITH_TIME_RANGE:
                kwargs['start_time'] = batch.start_time
                kwargs['end_time'] = batch.end_time
            if HAVE_HEAL_WITH_OVERWRITE:
                kwargs['overwrite'] = batch.overwrite
            carbonate_sync.heal_metric(src, dst, **kwargs)
        except Exception as e:
            logging.exception("Failed to heal %s" % dst)

    return batch
Exemplo n.º 8
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    def test_heal_empty(self):
        testdb = "test-%s" % self.db
        self._removedb()

        try:
            os.unlink(testdb)
        except (IOError, OSError):
            pass

        schema = [(1, 20)]
        emptyData = []
        self._createdb(self.db, schema)
        self._createdb(testdb, schema, emptyData)

        heal_metric(self.db, testdb)

        original_data = whisper.fetch(self.db, 0)
        filled_data = whisper.fetch(testdb, 0)
        self.assertEqual(original_data, filled_data)

        # Heal again, should still be equal
        heal_metric(self.db, testdb)
        filled_data = whisper.fetch(testdb, 0)
        self.assertEqual(original_data, filled_data)
Exemplo n.º 9
0
    def test_heal_empty(self):
        testdb = "test-%s" % self.db
        self._removedb()

        try:
            os.unlink(testdb)
        except (IOError, OSError):
            pass

        schema = [(1, 20)]
        emptyData = []
        self._createdb(self.db, schema)
        self._createdb(testdb, schema, emptyData)

        heal_metric(self.db, testdb)

        original_data = whisper.fetch(self.db, 0)
        filled_data = whisper.fetch(testdb, 0)
        self.assertEqual(original_data, filled_data)

        # Heal again, should still be equal
        heal_metric(self.db, testdb)
        filled_data = whisper.fetch(testdb, 0)
        self.assertEqual(original_data, filled_data)