Exemplo n.º 1
0
    def _create_session(self, node, keyspace, user, password, compression, protocol_version,
                        port=None, ssl_opts=None, execution_profiles=None, **kwargs):
        node_ip = get_ip_from_node(node)
        if not port:
            port = get_port_from_node(node)

        if protocol_version is None:
            protocol_version = get_eager_protocol_version(node.cluster.version())

        if user is not None:
            auth_provider = get_auth_provider(user=user, password=password)
        else:
            auth_provider = None

        profiles = {EXEC_PROFILE_DEFAULT: make_execution_profile(**kwargs)
                    } if not execution_profiles else execution_profiles

        cluster = PyCluster([node_ip],
                            auth_provider=auth_provider,
                            compression=compression,
                            protocol_version=protocol_version,
                            port=port,
                            ssl_options=ssl_opts,
                            connect_timeout=15,
                            allow_beta_protocol_version=True,
                            execution_profiles=profiles)
        session = cluster.connect(wait_for_all_pools=True)

        if keyspace is not None:
            session.set_keyspace(keyspace)

        self.connections.append(session)
        return session
Exemplo n.º 2
0
    def exclusive_cql_connection(self,
                                 node,
                                 keyspace=None,
                                 version=None,
                                 user=None,
                                 password=None,
                                 compression=True,
                                 protocol_version=None):

        node_ip = self.get_ip_from_node(node)

        if protocol_version is None:
            if self.cluster.version() >= '2.1':
                protocol_version = 3
            elif self.cluster.version() >= '2.0':
                protocol_version = 2
            else:
                protocol_version = 1

        wlrr = WhiteListRoundRobinPolicy([node_ip])
        if user is None:
            cluster = PyCluster([node_ip],
                                compression=compression,
                                protocol_version=protocol_version,
                                load_balancing_policy=wlrr)
        else:
            auth_provider = self.get_auth_provider(user=user,
                                                   password=password)
            cluster = PyCluster([node_ip],
                                auth_provider=auth_provider,
                                compression=compression,
                                protocol_version=protocol_version,
                                load_balancing_policy=wlrr)
        session = cluster.connect()
        if keyspace is not None:
            session.execute('USE %s' % keyspace)

        self.connections.append(session)
        return session
Exemplo n.º 3
0
    def cql_connection(self,
                       node,
                       keyspace=None,
                       version=None,
                       user=None,
                       password=None,
                       compression=True,
                       protocol_version=None):

        node_ip = self.get_ip_from_node(node)

        if protocol_version is None:
            if self.cluster.version() >= '2.1':
                protocol_version = 3
            elif self.cluster.version() >= '2.0':
                protocol_version = 2
            else:
                protocol_version = 1

        if user is None:
            cluster = PyCluster([node_ip],
                                compression=compression,
                                protocol_version=protocol_version)
        else:
            auth_provider = self.get_auth_provider(user=user,
                                                   password=password)
            cluster = PyCluster([node_ip],
                                auth_provider=auth_provider,
                                compression=compression,
                                protocol_version=protocol_version)
        session = cluster.connect()
        if keyspace is not None:
            session.execute('USE %s' % keyspace)

        self.connections.append(session)
        return session
Exemplo n.º 4
0
    def _create_session(self,
                        node,
                        keyspace,
                        user,
                        password,
                        compression,
                        protocol_version,
                        load_balancing_policy=None,
                        port=None,
                        ssl_opts=None):
        node_ip = self.get_ip_from_node(node)
        if not port:
            port = self.get_port_from_node(node)

        if protocol_version is None:
            protocol_version = self.get_eager_protocol_version(
                self.cluster.version())

        if user is not None:
            auth_provider = self.get_auth_provider(user=user,
                                                   password=password)
        else:
            auth_provider = None

        cluster = PyCluster([node_ip],
                            auth_provider=auth_provider,
                            compression=compression,
                            protocol_version=protocol_version,
                            load_balancing_policy=load_balancing_policy,
                            default_retry_policy=FlakyRetryPolicy(),
                            port=port,
                            ssl_options=ssl_opts,
                            connect_timeout=10,
                            allow_beta_protocol_version=True)
        session = cluster.connect(wait_for_all_pools=True)

        # temporarily increase client-side timeout to 1m to determine
        # if the cluster is simply responding slowly to requests
        session.default_timeout = 60.0

        if keyspace is not None:
            session.set_keyspace(keyspace)

        # override driver default consistency level of LOCAL_QUORUM
        session.default_consistency_level = ConsistencyLevel.ONE

        self.connections.append(session)
        return session