Esempio n. 1
0
    def test_store(self):
        # Save settings
        old_cluster_servers = settings.CLUSTER_SERVERS
        old_remote_exclude_local = settings.REMOTE_EXCLUDE_LOCAL

        # Set test cluster servers
        settings.CLUSTER_SERVERS = ['127.0.0.1', '8.8.8.8']

        # Test REMOTE_EXCLUDE_LOCAL = False
        settings.REMOTE_EXCLUDE_LOCAL = False
        test_store = Store()
        remote_hosts = [
            remote_store.host for remote_store in test_store.remote_stores
        ]
        self.assertTrue('127.0.0.1' in remote_hosts)
        self.assertTrue('8.8.8.8' in remote_hosts)

        # Test REMOTE_EXCLUDE_LOCAL = True
        settings.REMOTE_EXCLUDE_LOCAL = True
        test_store = Store()
        remote_hosts = [
            remote_store.host for remote_store in test_store.remote_stores
        ]
        self.assertTrue('127.0.0.1' not in remote_hosts)
        self.assertTrue('8.8.8.8' in remote_hosts)

        # Restore original settings
        settings.CLUSTER_SERVERS = old_cluster_servers
        settings.REMOTE_EXCLUDE_LOCAL = old_remote_exclude_local
Esempio n. 2
0
  def test_find_all_failed(self):
    # all finds failed
    store = Store(
      finders=[TestFinder()]
    )

    message = 'All requests failed for find <FindQuery: a from \* until \*>'
    with patch('graphite.storage.log.info') as log_info:
      with self.assertRaisesRegexp(Exception, message):
        list(store.find('a'))
      self.assertEqual(log_info.call_count, 1)
      self.assertRegexpMatches(
        log_info.call_args[0][0],
        'Exception during find <FindQuery: a from \* until \*> after [-.e0-9]+s: TestFinder.find_nodes'
      )

    store = Store(
      finders=[TestFinder(), TestFinder()]
    )

    with patch('graphite.storage.log.info') as log_info:
      with self.assertRaisesRegexp(Exception, message):
        list(store.find('a'))
      self.assertEqual(log_info.call_count, 2)
      self.assertRegexpMatches(
        log_info.call_args[0][0],
        'Exception during find <FindQuery: a from \* until \*> after [-.e0-9]+s: TestFinder.find_nodes'
      )
Esempio n. 3
0
 def __init__(self, hostname=False, directory=DEFAULT_COAL_HOLE):
     if hostname:
         self.store = Store(remote_hosts=[hostname])
     elif directory:
         self.store = Store(directories=[directory])
     else:
         raise ValueError, "hostname or directory required"
    def test_fetch(self):
        disabled_finder = DisabledFinder()
        legacy_finder = LegacyFinder()
        test_finder = TestFinder()
        remote_finder = RemoteFinder()

        store = Store(finders=[
            disabled_finder, legacy_finder, test_finder, remote_finder
        ],
                      tagdb='graphite.tags.localdatabase.LocalDatabaseTagDB')

        # tagb is properly initialized
        self.assertIsInstance(store.tagdb, LocalDatabaseTagDB)

        # get all enabled finders
        finders = store.get_finders()
        self.assertEqual(list(finders),
                         [legacy_finder, test_finder, remote_finder])

        # get only local finders
        finders = store.get_finders(local=True)
        self.assertEqual(list(finders), [legacy_finder, test_finder])

        # fetch with empty patterns
        result = store.fetch([], 1, 2, 3, {})
        self.assertEqual(result, [])
Esempio n. 5
0
  def test_fetch_all_failed(self):
    # all finds failed
    store = Store(
      finders=[TestFinder()]
    )

    with patch('graphite.storage.log.debug') as log_debug:
      with self.assertRaisesRegexp(Exception, 'All fetches failed for \[\'a\'\]'):
        list(store.fetch(['a'], 1, 2, 3, {}))
        self.assertEqual(log_debug.call_count, 1)
        self.assertRegexpMatches(log_debug.call_args[0][0], 'Fetch for \[\'a\'\] failed after [-.e0-9]+s: TestFinder.find_nodes')
Esempio n. 6
0
  def test_find_all_failed(self):
    # all finds failed
    store = Store(
      finders=[TestFinder()]
    )

    with patch('graphite.storage.log.debug') as log_debug:
      with self.assertRaisesRegexp(Exception, 'All finds failed for <FindQuery: a from \* until \*>'):
        list(store.find('a'))
        self.assertEqual(log_debug.call_count, 1)
        self.assertRegexpMatches(log_debug.call_args[0][0], 'Find for <FindQuery: a from \* until \*> failed after [-.e0-9]+s: TestFinder.find_nodes')
Esempio n. 7
0
    def test_custom_finder(self):
        store = Store(finders=[get_finder("tests.test_finders.DummyFinder")])
        nodes = list(store.find("foo"))
        self.assertEqual(len(nodes), 1)
        self.assertEqual(nodes[0].path, "foo")

        nodes = list(store.find("bar.*"))
        self.assertEqual(len(nodes), 10)
        node = nodes[0]
        self.assertEqual(node.path.split(".")[0], "bar")

        time_info, series = node.fetch(100, 200)
        self.assertEqual(time_info, (100, 200, 10))
        self.assertEqual(len(series), 10)
Esempio n. 8
0
    def test_find_pool_timeout(self):
        # pool timeout
        store = Store(finders=[RemoteFinder()])

        def mock_pool_exec(pool, jobs, timeout):
            raise PoolTimeoutError()

        message = r'Timed out after [-.e0-9]+s for find <FindQuery: a from \* until \*>'
        with patch('graphite.storage.pool_exec', mock_pool_exec):
            with patch('graphite.storage.log.info') as log_info:
                with self.assertRaisesRegexp(Exception, message):
                    list(store.find('a'))
                self.assertEqual(log_info.call_count, 1)
                self.assertRegexpMatches(log_info.call_args[0][0], message)
Esempio n. 9
0
    def test_get_index_pool_timeout(self):
        # pool timeout
        store = Store(finders=[RemoteFinder()])

        def mock_pool_exec(pool, jobs, timeout):
            raise PoolTimeoutError()

        with patch('graphite.storage.pool_exec', mock_pool_exec):
            with patch('graphite.storage.log.info') as log_info:
                with self.assertRaisesRegexp(Exception, 'Timed out after .*'):
                    store.get_index()
                self.assertEqual(log_info.call_count, 1)
                self.assertRegexpMatches(log_info.call_args[0][0],
                                         'Timed out after [-.e0-9]+s')
Esempio n. 10
0
    def test_get_index_all_failed(self):
        # all finders failed
        store = Store(finders=[TestFinder()])

        with patch('graphite.storage.log.info') as log_info:
            with self.assertRaisesRegexp(Exception,
                                         'All requests failed for get_index'):
                store.get_index()
            self.assertEqual(log_info.call_count, 1)
            self.assertRegexpMatches(
                log_info.call_args[0][0],
                'Exception during get_index after [-.e0-9]+s: TestFinder.find_nodes'
            )

        store = Store(finders=[TestFinder(), TestFinder()])

        with patch('graphite.storage.log.info') as log_info:
            with self.assertRaisesRegexp(
                    Exception, r'All requests failed for get_index \(2\)'):
                store.get_index()
            self.assertEqual(log_info.call_count, 2)
            self.assertRegexpMatches(
                log_info.call_args[0][0],
                'Exception during get_index after [-.e0-9]+s: TestFinder.find_nodes'
            )
Esempio n. 11
0
    def test_fetch_pool_timeout(self):
        # pool timeout
        store = Store(finders=[RemoteFinder()])

        def mock_pool_exec(pool, jobs, timeout):
            raise PoolTimeoutError()

        message = r'Timed out after [-.e0-9]+s for fetch for \[\'a\'\]'
        with patch('graphite.storage.pool_exec', mock_pool_exec):
            with patch('graphite.storage.log.info') as log_info:
                with self.assertRaisesRegexp(Exception, message):
                    list(store.fetch(['a'], 1, 2, 3, {}))
                self.assertEqual(log_info.call_count, 1)
                self.assertRegexpMatches(log_info.call_args[0][0], message)
Esempio n. 12
0
    def test_custom_finder(self):
        store = Store(finders=[get_finder('tests.test_finders.DummyFinder')])
        nodes = list(store.find("foo"))
        self.assertEqual(len(nodes), 1)
        self.assertEqual(nodes[0].path, 'foo')

        nodes = list(store.find('bar.*'))
        self.assertEqual(len(nodes), 10)
        node = nodes[0]
        self.assertEqual(node.path.split('.')[0], 'bar')

        time_info, series = node.fetch(100, 200)
        self.assertEqual(time_info, (100, 200, 10))
        self.assertEqual(len(series), 10)
Esempio n. 13
0
  def test_get_index_pool_timeout(self):
    # pool timeout
    store = Store(
      finders=[RemoteFinder()]
    )

    def mock_pool_exec(pool, jobs, timeout):
      raise PoolTimeoutError()

    with patch('graphite.storage.pool_exec', mock_pool_exec):
      with patch('graphite.storage.log.info') as log_info:
        with self.assertRaisesRegexp(Exception, 'Timed out after .*'):
          store.get_index()
        self.assertEqual(log_info.call_count, 1)
        self.assertRegexpMatches(log_info.call_args[0][0], 'Timed out after [-.e0-9]+s')
Esempio n. 14
0
  def test_fetch_pool_timeout(self):
    # pool timeout
    store = Store(
      finders=[RemoteFinder()]
    )

    def mock_pool_exec(pool, jobs, timeout):
      raise PoolTimeoutError()

    with patch('graphite.storage.pool_exec', mock_pool_exec):
      with patch('graphite.storage.log.debug') as log_debug:
        with self.assertRaisesRegexp(Exception, 'All fetches failed for \[\'a\'\]'):
          list(store.fetch(['a'], 1, 2, 3, {}))
          self.assertEqual(log_debug.call_count, 1)
          self.assertRegexpMatches(log_debug.call_args[0][0], 'Timed out in fetch after [-.e0-9]+s')
Esempio n. 15
0
  def test_find_pool_timeout(self):
    # pool timeout
    store = Store(
      finders=[RemoteFinder()]
    )

    def mock_pool_exec(pool, jobs, timeout):
      raise PoolTimeoutError()

    with patch('graphite.storage.pool_exec', mock_pool_exec):
      with patch('graphite.storage.log.debug') as log_debug:
        with self.assertRaisesRegexp(Exception, 'All finds failed for <FindQuery: a from \* until \*>'):
          list(store.find('a'))
          self.assertEqual(log_debug.call_count, 1)
          self.assertRegexpMatches(log_debug.call_args[0][0], 'Timed out in find after [-.e0-9]+s')
Esempio n. 16
0
  def test_find_pool_timeout(self):
    # pool timeout
    store = Store(
      finders=[RemoteFinder()]
    )

    def mock_pool_exec(pool, jobs, timeout):
      raise PoolTimeoutError()

    message = 'Timed out after [-.e0-9]+s for find <FindQuery: a from \* until \*>'
    with patch('graphite.storage.pool_exec', mock_pool_exec):
      with patch('graphite.storage.log.info') as log_info:
        with self.assertRaisesRegexp(Exception, message):
          list(store.find('a'))
        self.assertEqual(log_info.call_count, 1)
        self.assertRegexpMatches(log_info.call_args[0][0], message)
Esempio n. 17
0
  def test_fetch_pool_timeout(self):
    # pool timeout
    store = Store(
      finders=[RemoteFinder()]
    )

    def mock_pool_exec(pool, jobs, timeout):
      raise PoolTimeoutError()

    message = 'Timed out after [-.e0-9]+s for fetch for \[\'a\'\]'
    with patch('graphite.storage.pool_exec', mock_pool_exec):
      with patch('graphite.storage.log.info') as log_info:
        with self.assertRaisesRegexp(Exception, message):
          list(store.fetch(['a'], 1, 2, 3, {}))
        self.assertEqual(log_info.call_count, 1)
        self.assertRegexpMatches(log_info.call_args[0][0], message)
Esempio n. 18
0
        def mockStore(finders, request_limit=100, request_context=None):
            tagdb = Mock()

            def mockAutoCompleteTags(exprs,
                                     tagPrefix=None,
                                     limit=None,
                                     requestContext=None):
                self.assertEqual(exprs, ['tag1=value1'])
                self.assertEqual(tagPrefix, 'test')
                self.assertEqual(limit, request_limit)
                self.assertEqual(requestContext, request_context or {})
                return ['testnotags']

            tagdb.auto_complete_tags.side_effect = mockAutoCompleteTags

            def mockAutoCompleteValues(exprs,
                                       tag,
                                       valuePrefix=None,
                                       limit=None,
                                       requestContext=None):
                self.assertEqual(exprs, ['tag1=value1'])
                self.assertEqual(tag, 'tag2')
                self.assertEqual(valuePrefix, 'test')
                self.assertEqual(limit, request_limit)
                self.assertEqual(requestContext, request_context or {})
                return ['testnotags']

            tagdb.auto_complete_values.side_effect = mockAutoCompleteValues

            return Store(
                finders=finders,
                tagdb=tagdb,
            )
Esempio n. 19
0
    def test_multiple_globstars(self):
        self.addCleanup(self.wipe_whisper)
        store  = Store(finders=get_finders('graphite.finders.standard.StandardFinder'))

        query = "x.**.x.**.x"
        hits = ["x.x.x", "x._.x.x", "x.x._.x", "x._.x._.x", "x._._.x.x", "x.x._._.x"]
        misses = ["x.o.x", "o.x.x", "x.x.o", "o.x.x.x", "x.x.x.o", "o._.x._.x", "x._.o._.x", "x._.x._.o"]
        for path in hits + misses:
            file = join(path.replace(".", os.sep)) + ".wsp"
            self.create_whisper(file)

        paths = [node.path for node in store.find(query, local=True)]
        for hit in hits:
            self.assertIn(hit, paths)
        for miss in misses:
            self.assertNotIn(miss, paths)
Esempio n. 20
0
    def test_multiple_globstars(self):
        self.addCleanup(self.wipe_whisper)
        store  = Store(finders=get_finders('graphite.finders.standard.StandardFinder'))

        query = "x.**.x.**.x"
        hits = ["x.x.x", "x._.x.x", "x.x._.x", "x._.x._.x", "x._._.x.x", "x.x._._.x"]
        misses = ["x.o.x", "o.x.x", "x.x.o", "o.x.x.x", "x.x.x.o", "o._.x._.x", "x._.o._.x", "x._.x._.o"]
        for path in hits + misses:
            file = join(path.replace(".", os.sep)) + ".wsp"
            self.create_whisper(file)

        paths = [node.path for node in store.find(query, local=True)]
        for hit in hits:
            self.assertIn(hit, paths)
        for miss in misses:
            self.assertNotIn(miss, paths)
Esempio n. 21
0
    def test_terminal_globstar(self):
        self.addCleanup(self.wipe_whisper)
        finder = get_finder("graphite.finders.standard.StandardFinder")
        store = Store(finders=[finder])

        query = "x.**"
        hits = ["x._", "x._._", "x._._._"]
        misses = ["x", "o._", "o.x._", "o._.x"]
        for path in hits + misses:
            file = join(path.replace(".", os.sep)) + ".wsp"
            self.create_whisper(file)

        paths = [node.path for node in store.find(query, local=True)]
        for hit in hits:
            self.assertIn(hit, paths)
        for miss in misses:
            self.assertNotIn(miss, paths)
            self.wipe_whisper()
Esempio n. 22
0
  def test_find(self):
    disabled_finder = DisabledFinder()
    legacy_finder = LegacyFinder()
    test_finder = TestFinder()
    remote_finder = RemoteFinder()

    store = Store(
      finders=[disabled_finder, legacy_finder, test_finder, remote_finder],
      tagdb=get_tagdb('graphite.tags.localdatabase.LocalDatabaseTagDB')
    )

    # find nodes
    result = list(store.find('a'))
    self.assertEqual(len(result), 5)

    for node in result:
      if node.path in ['a.b.c.d', 'a.b.c.e']:
        self.assertIsInstance(node, LeafNode)
      else:
        self.assertIsInstance(node, BranchNode)
        self.assertTrue(node.path in ['a', 'a.b', 'a.b.c'])

    # find leaves only
    result = list(store.find('a', leaves_only=True))
    self.assertEqual(len(result), 2)

    for node in result:
      self.assertIsInstance(node, LeafNode)
      self.assertTrue(node.path in ['a.b.c.d', 'a.b.c.e'])

    # failure threshold
    with self.settings(METRICS_FIND_FAILURE_THRESHOLD=1):
      with self.assertRaisesRegexp(Exception, 'Query a yields too many results and failed \(failure threshold is 1\)'):
        list(store.find('a'))

    # warning threshold
    with self.settings(METRICS_FIND_WARNING_THRESHOLD=1):
      with patch('graphite.storage.log.warning') as log_warning:
        list(store.find('a'))
        self.assertEqual(log_warning.call_count, 1)
        self.assertEqual(
          log_warning.call_args[0][0],
          'Query a yields large number of results up to 2 (warning threshold is 1)'
        )
Esempio n. 23
0
    def test_get_index(self):
        disabled_finder = DisabledFinder()
        # use get_finders so legacy_finder is patched with get_index
        legacy_finder = get_finders('tests.test_storage.LegacyFinder')[0]
        test_finder = TestFinder()
        remote_finder = RemoteFinder()

        store = Store(finders=[
            disabled_finder, legacy_finder, test_finder, remote_finder
        ],
                      tagdb='graphite.tags.localdatabase.LocalDatabaseTagDB')

        # get index
        result = store.get_index()
        self.assertEqual(result, ['a.b.c.d', 'a.b.c.e'])

        # get local index
        result = store.get_index({'localOnly': True})
        self.assertEqual(result, ['a.b.c.d'])
Esempio n. 24
0
  def test_fetch_some_failed(self):
    # some finders failed
    store = Store(
      finders=[TestFinder(), RemoteFinder()]
    )

    with patch('graphite.storage.log.info') as log_info:
      list(store.fetch(['a'], 1, 2, 3, {}))
      self.assertEqual(log_info.call_count, 1)

    store = Store(
      finders=[TestFinder(), TestFinder()]
    )

    with patch('graphite.storage.log.info') as log_info:
      with self.assertRaisesRegexp(Exception, 'All requests failed for fetch for \[\'a\'\] \(2\)'):
        list(store.fetch(['a'], 1, 2, 3, {}))
      self.assertEqual(log_info.call_count, 2)
      self.assertRegexpMatches(log_info.call_args[0][0], 'Exception during fetch for \[\'a\'\] after [-.e0-9]+s: TestFinder.find_nodes')
Esempio n. 25
0
  def test_get_index(self):
    disabled_finder = DisabledFinder()
    # use get_finders so legacy_finder is patched with get_index
    legacy_finder = get_finders('tests.test_storage.LegacyFinder')[0]
    test_finder = TestFinder()
    remote_finder = RemoteFinder()

    store = Store(
      finders=[disabled_finder, legacy_finder, test_finder, remote_finder],
      tagdb=get_tagdb('graphite.tags.localdatabase.LocalDatabaseTagDB')
    )

    # get index
    result = store.get_index()
    self.assertEqual(result, ['a.b.c.d', 'a.b.c.e'])

    # get local index
    result = store.get_index({'localOnly': True})
    self.assertEqual(result, ['a.b.c.d'])
Esempio n. 26
0
    def test_fetch_all_failed(self):
        # all finds failed
        store = Store(finders=[TestFinder()])

        message = r'All requests failed for fetch for \[\'a\'\] \(1\)'
        with patch('graphite.storage.log.info') as log_info:
            with self.assertRaisesRegexp(Exception, message):
                list(store.fetch(['a'], 1, 2, 3, {}))
            self.assertEqual(log_info.call_count, 1)
            self.assertRegexpMatches(
                log_info.call_args[0][0],
                r'Exception during fetch for \[\'a\'\] after [-.e0-9]+s: TestFinder.find_nodes'
            )

        store = Store(finders=[TestFinder(), TestFinder()])

        message = r'All requests failed for fetch for \[\'a\'\] \(2\)'
        with patch('graphite.storage.log.info') as log_info:
            with self.assertRaisesRegexp(Exception, message):
                list(store.fetch(['a'], 1, 2, 3, {}))
            self.assertEqual(log_info.call_count, 2)
            self.assertRegexpMatches(
                log_info.call_args[0][0],
                r'Exception during fetch for \[\'a\'\] after [-.e0-9]+s: TestFinder.find_nodes'
            )
Esempio n. 27
0
    def test_fetch_some_failed_hard_fail_enabled(self):
        # all finds failed
        store = Store(finders=[TestFinder(), RemoteFinder()])

        with patch('graphite.storage.log.info') as log_info:
            with self.assertRaisesRegexp(
                    Exception,
                    '1 request\(s\) failed for fetch for \[\'a\'\] \(2\)'):
                list(store.fetch(['a'], 1, 2, 3, {}))
            self.assertEqual(log_info.call_count, 1)
            self.assertRegexpMatches(
                log_info.call_args[0][0],
                'Exception during fetch for \[\'a\'\] after [-.e0-9]+s: TestFinder.find_nodes'
            )

        store = Store(finders=[TestFinder(), TestFinder()])

        with patch('graphite.storage.log.info') as log_info:
            with self.assertRaisesRegexp(
                    Exception,
                    'All requests failed for fetch for \[\'a\'\] \(2\)'):
                list(store.fetch(['a'], 1, 2, 3, {}))
            self.assertEqual(log_info.call_count, 2)
            self.assertRegexpMatches(
                log_info.call_args[0][0],
                'Exception during fetch for \[\'a\'\] after [-.e0-9]+s: TestFinder.find_nodes'
            )
Esempio n. 28
0
class Source(object):
    """The Source wraps up a graphite.Store and gives you Coal"""

    def __init__(self, hostname=False, directory=DEFAULT_COAL_HOLE):
        if hostname:
            self.store = Store(remote_hosts=[hostname])
        elif directory:
            self.store = Store(directories=[directory])
        else:
            raise ValueError, "hostname or directory required"

    def get_nodes(self, bucket='*', max_depth=9, depth=0):
        for bucket in self.store.find_all(bucket):
            if bucket.isLeaf():
                yield Node(bucket)
            else:
                if depth < max_depth:
                    for node in self.get_nodes(bucket=bucket.metric_path + '.*', depth=depth + 1):
                        yield node

    def get_hosts(self, glob=DEFAULT_HOST_GLOB):
        return [host for host in self.store.find_all(glob)]
Esempio n. 29
0
  def test_fetch(self):
    disabled_finder = get_finders('tests.test_storage.DisabledFinder')[0]
    legacy_finder = get_finders('tests.test_storage.LegacyFinder')[0]
    test_finder = get_finders('tests.test_storage.TestFinder')[0]
    remote_finder = get_finders('tests.test_storage.RemoteFinder')[0]

    store = Store(
      finders=[disabled_finder, legacy_finder, test_finder, remote_finder],
      tagdb=get_tagdb('graphite.tags.localdatabase.LocalDatabaseTagDB')
    )

    # tagb is properly initialized
    self.assertIsInstance(store.tagdb, LocalDatabaseTagDB)

    # get all enabled finders
    finders = store.get_finders()
    self.assertEqual(list(finders), [legacy_finder, test_finder, remote_finder])

    # get only local finders
    finders = store.get_finders(local=True)
    self.assertEqual(list(finders), [legacy_finder, test_finder])

    # fetch with empty patterns
    result = store.fetch([], 1, 2, 3, {})
    self.assertEqual(result, [])

    # fetch
    result = store.fetch(['a.**'], 1, 2, 3, {})
    self.assertEqual(len(result), 3)
    result.sort(key=lambda node: node['name'])
    self.assertEqual(result[0]['name'], 'a.b.c.d')
    self.assertEqual(result[0]['pathExpression'], 'a.**')
    self.assertEqual(result[1]['name'], 'a.b.c.d')
    self.assertEqual(result[1]['pathExpression'], 'a.**')
    self.assertEqual(result[2]['name'], 'a.b.c.e')
    self.assertEqual(result[2]['pathExpression'], 'a.**')
Esempio n. 30
0
    def test_find(self):
        disabled_finder = DisabledFinder()
        legacy_finder = LegacyFinder()
        test_finder = TestFinder()
        remote_finder = RemoteFinder()

        store = Store(
            finders=[
                disabled_finder, legacy_finder, test_finder, remote_finder
            ],
            tagdb=get_tagdb('graphite.tags.localdatabase.LocalDatabaseTagDB'))

        # find nodes
        result = list(store.find('a'))
        self.assertEqual(len(result), 5)

        for node in result:
            if node.path in ['a.b.c.d', 'a.b.c.e']:
                self.assertIsInstance(node, LeafNode)
            else:
                self.assertIsInstance(node, BranchNode)
                self.assertTrue(node.path in ['a', 'a.b', 'a.b.c'])

        # find leaves only
        result = list(store.find('a', leaves_only=True))
        self.assertEqual(len(result), 2)

        for node in result:
            self.assertIsInstance(node, LeafNode)
            self.assertTrue(node.path in ['a.b.c.d', 'a.b.c.e'])

        # failure threshold
        with self.settings(METRICS_FIND_FAILURE_THRESHOLD=1):
            with self.assertRaisesRegexp(
                    Exception,
                    'Query a yields too many results and failed \(failure threshold is 1\)'
            ):
                list(store.find('a'))

        # warning threshold
        with self.settings(METRICS_FIND_WARNING_THRESHOLD=1):
            with patch('graphite.storage.log.warning') as log_warning:
                list(store.find('a'))
                self.assertEqual(log_warning.call_count, 1)
                self.assertEqual(
                    log_warning.call_args[0][0],
                    'Query a yields large number of results up to 2 (warning threshold is 1)'
                )
Esempio n. 31
0
  def test_get_index_all_failed(self):
    # all finders failed
    store = Store(
      finders=[TestFinder()]
    )

    with patch('graphite.storage.log.info') as log_info:
      with self.assertRaisesRegexp(Exception, 'All requests failed for get_index'):
        store.get_index()
      self.assertEqual(log_info.call_count, 1)
      self.assertRegexpMatches(log_info.call_args[0][0], 'Exception during get_index after [-.e0-9]+s: TestFinder.find_nodes')

    store = Store(
      finders=[TestFinder(), TestFinder()]
    )

    with patch('graphite.storage.log.info') as log_info:
      with self.assertRaisesRegexp(Exception, 'All requests failed for get_index \(2\)'):
        store.get_index()
      self.assertEqual(log_info.call_count, 2)
      self.assertRegexpMatches(log_info.call_args[0][0], 'Exception during get_index after [-.e0-9]+s: TestFinder.find_nodes')
Esempio n. 32
0
    def test_fetch(self):
        disabled_finder = get_finders('tests.test_storage.DisabledFinder')[0]
        legacy_finder = get_finders('tests.test_storage.LegacyFinder')[0]
        test_finder = get_finders('tests.test_storage.TestFinder')[0]
        remote_finder = get_finders('tests.test_storage.RemoteFinder')[0]

        store = Store(
            finders=[
                disabled_finder, legacy_finder, test_finder, remote_finder
            ],
            tagdb=get_tagdb('graphite.tags.localdatabase.LocalDatabaseTagDB'))

        # tagb is properly initialized
        self.assertIsInstance(store.tagdb, LocalDatabaseTagDB)

        # get all enabled finders
        finders = store.get_finders()
        self.assertEqual(list(finders),
                         [legacy_finder, test_finder, remote_finder])

        # get only local finders
        finders = store.get_finders(local=True)
        self.assertEqual(list(finders), [legacy_finder, test_finder])

        # fetch with empty patterns
        result = store.fetch([], 1, 2, 3, {})
        self.assertEqual(result, [])

        # fetch
        result = store.fetch(['a.**'], 1, 2, 3, {})
        self.assertEqual(len(result), 3)
        result.sort(key=lambda node: node['name'])
        self.assertEqual(result[0]['name'], 'a.b.c.d')
        self.assertEqual(result[0]['pathExpression'], 'a.**')
        self.assertEqual(result[1]['name'], 'a.b.c.d')
        self.assertEqual(result[1]['pathExpression'], 'a.**')
        self.assertEqual(result[2]['name'], 'a.b.c.e')
        self.assertEqual(result[2]['pathExpression'], 'a.**')
Esempio n. 33
0
    def test_find_all_failed(self):
        # all finds failed
        store = Store(finders=[TestFinder()])

        message = r'All requests failed for find <FindQuery: a from \* until \*>'
        with patch('graphite.storage.log.info') as log_info:
            with self.assertRaisesRegexp(Exception, message):
                list(store.find('a'))
            self.assertEqual(log_info.call_count, 1)
            self.assertRegexpMatches(
                log_info.call_args[0][0],
                r'Exception during find <FindQuery: a from \* until \*> after [-.e0-9]+s: TestFinder.find_nodes'
            )

        store = Store(finders=[TestFinder(), TestFinder()])

        with patch('graphite.storage.log.info') as log_info:
            with self.assertRaisesRegexp(Exception, message):
                list(store.find('a'))
            self.assertEqual(log_info.call_count, 2)
            self.assertRegexpMatches(
                log_info.call_args[0][0],
                r'Exception during find <FindQuery: a from \* until \*> after [-.e0-9]+s: TestFinder.find_nodes'
            )
Esempio n. 34
0
    def test_fetch_no_tag_support(self):
        class TestFinderNoTags(BaseFinder):
            tags = False

            def find_nodes(self, query):
                pass

            def fetch(self,
                      patterns,
                      start_time,
                      end_time,
                      now=None,
                      requestContext=None):
                if patterns != ['notags;hello=tiger']:
                    raise Exception('Unexpected patterns %s' % str(patterns))

                return [{
                    'pathExpression': 'notags;hello=tiger',
                    'name': 'notags;hello=tiger',
                    'time_info': (0, 60, 1),
                    'values': [],
                }]

        tagdb = Mock()

        def mockFindSeries(exprs, requestContext=None):
            self.assertEqual(requestContext, request_context)
            if exprs == ('hello=tiger', ) or exprs == ('name=notags', ):
                return ['notags;hello=tiger']
            if exprs == ('name=testtags', ):
                return []
            raise Exception('Unexpected exprs %s' % str(exprs))

        tagdb.find_series.side_effect = mockFindSeries

        store = Store(finders=[TestFinderNoTags()], tagdb=tagdb)

        with patch('graphite.render.datalib.STORE', store):
            request_context = {
                'startTime': epoch_to_dt(0),
                'endTime': epoch_to_dt(60),
                'now': epoch_to_dt(60),
            }

            results = evaluateTarget(request_context, [
                'notags;hello=tiger', 'seriesByTag("hello=tiger")',
                'seriesByTag("name=testtags")', 'seriesByTag("name=notags")'
            ])
            self.assertEqual(tagdb.find_series.call_count, 3)
            self.assertEqual(results, [
                TimeSeries('notags;hello=tiger', 0, 60, 1, []),
                TimeSeries('notags;hello=tiger',
                           0,
                           60,
                           1, [],
                           pathExpression='seriesByTag("hello=tiger")'),
                TimeSeries('notags;hello=tiger',
                           0,
                           60,
                           1, [],
                           pathExpression='seriesByTag("name=notags")'),
            ])
Esempio n. 35
0
    def test_fetch_tag_support(self):
        class TestFinderTags(BaseFinder):
            tags = True

            def find_nodes(self, query):
                pass

            def fetch(self,
                      patterns,
                      start_time,
                      end_time,
                      now=None,
                      requestContext=None):
                if patterns != [
                        'seriesByTag("hello=tiger")',
                        'seriesByTag("name=notags")',
                        'seriesByTag("name=testtags")', 'testtags;hello=tiger'
                ]:
                    raise Exception('Unexpected patterns %s' % str(patterns))

                return [
                    {
                        'pathExpression': 'testtags;hello=tiger',
                        'name': 'testtags;hello=tiger',
                        'time_info': (0, 60, 1),
                        'values': [],
                    },
                    {
                        'pathExpression': 'seriesByTag("hello=tiger")',
                        'name': 'testtags;hello=tiger',
                        'time_info': (0, 60, 1),
                        'values': [],
                    },
                    {
                        'pathExpression': 'seriesByTag("name=testtags")',
                        'name': 'testtags;hello=tiger',
                        'time_info': (0, 60, 1),
                        'values': [],
                    },
                ]

        tagdb = Mock()

        store = Store(finders=[TestFinderTags()], tagdb=tagdb)

        request_context = {
            'startTime': epoch_to_dt(0),
            'endTime': epoch_to_dt(60),
            'now': epoch_to_dt(60),
        }

        with patch('graphite.render.datalib.STORE', store):
            results = evaluateTarget(request_context, [
                'testtags;hello=tiger', 'seriesByTag("hello=tiger")',
                'seriesByTag("name=testtags")', 'seriesByTag("name=notags")'
            ])
            self.assertEqual(results, [
                TimeSeries('testtags;hello=tiger', 0, 60, 1, []),
                TimeSeries('testtags;hello=tiger',
                           0,
                           60,
                           1, [],
                           pathExpression='seriesByTag("hello=tiger")'),
                TimeSeries('testtags;hello=tiger',
                           0,
                           60,
                           1, [],
                           pathExpression='seriesByTag("name=testtags")'),
            ])