Source code for influxdb_client.client.influxdb_client_async

"""InfluxDBClientAsync is client for API defined in"""  # noqa: E501
import logging
import sys

from influxdb_client import PingService
from influxdb_client.client._base import _BaseClient
from influxdb_client.client.delete_api_async import DeleteApiAsync
from influxdb_client.client.query_api import QueryOptions
from influxdb_client.client.query_api_async import QueryApiAsync
from influxdb_client.client.write_api import PointSettings
from influxdb_client.client.write_api_async import WriteApiAsync

logger = logging.getLogger('influxdb_client.client.influxdb_client_async')

[docs]class InfluxDBClientAsync(_BaseClient): """InfluxDBClientAsync is client for InfluxDB v2.""" def __init__(self, url, token: str = None, org: str = None, debug=None, timeout=10_000, enable_gzip=False, **kwargs) -> None: """ Initialize defaults. :param url: InfluxDB server API url (ex. http://localhost:8086). :param token: ``token`` to authenticate to the InfluxDB 2.x :param org: organization name (used as a default in Query, Write and Delete API) :param debug: enable verbose logging of http requests :param timeout: The maximal number of milliseconds for the whole HTTP request including connection establishment, request sending and response reading. It can also be a :class:`~aiohttp.ClientTimeout` which is directly pass to ``aiohttp``. :param enable_gzip: Enable Gzip compression for http requests. Currently, only the "Write" and "Query" endpoints supports the Gzip compression. :key bool verify_ssl: Set this to false to skip verifying SSL certificate when calling API from https server. :key str ssl_ca_cert: Set this to customize the certificate file to verify the peer. :key str proxy: Set this to configure the http proxy to be used (ex. http://localhost:3128) :key str proxy_headers: A dictionary containing headers that will be sent to the proxy. Could be used for proxy authentication. :key int connection_pool_maxsize: The total number of simultaneous connections. Defaults to "multiprocessing.cpu_count() * 5". :key bool auth_basic: Set this to true to enable basic authentication when talking to a InfluxDB 1.8.x that does not use auth-enabled but is protected by a reverse proxy with basic authentication. (defaults to false, don't set to true when talking to InfluxDB 2) :key str username: ``username`` to authenticate via username and password credentials to the InfluxDB 2.x :key str password: ``password`` to authenticate via username and password credentials to the InfluxDB 2.x :key bool allow_redirects: If set to ``False``, do not follow HTTP redirects. ``True`` by default. :key int max_redirects: Maximum number of HTTP redirects to follow. ``10`` by default. :key dict client_session_kwargs: Additional configuration arguments for :class:`~aiohttp.ClientSession` :key type client_session_type: Type of aiohttp client to use. Useful for third party wrappers like ``aiohttp-retry``. :class:`~aiohttp.ClientSession` by default. :key list[str] profilers: list of enabled Flux profilers """ super().__init__(url=url, token=token, org=org, debug=debug, timeout=timeout, enable_gzip=enable_gzip, http_client_logger="aiohttp.client", **kwargs) # compatibility with Python 3.6 if sys.version_info[:2] >= (3, 7): from asyncio import get_running_loop else: from asyncio import _get_running_loop as get_running_loop # check present asynchronous context try: loop = get_running_loop() # compatibility with Python 3.6 if loop is None: raise RuntimeError('no running event loop') except RuntimeError: from influxdb_client.client.exceptions import InfluxDBError message = "The async client should be initialised inside async coroutine " \ "otherwise there can be unexpected behaviour." raise InfluxDBError(response=None, message=message) from .._async.api_client import ApiClientAsync self.api_client = ApiClientAsync(configuration=self.conf, header_name=self.auth_header_name, header_value=self.auth_header_value, retries=self.retries, **kwargs) async def __aenter__(self) -> 'InfluxDBClientAsync': """ Enter the runtime context related to this object. return: self instance """ return self async def __aexit__(self, exc_type, exc, tb) -> None: """Shutdown the client.""" await self.close()
[docs] async def close(self): """Shutdown the client.""" if self.api_client: await self.api_client.close() self.api_client = None
[docs] @classmethod def from_config_file(cls, config_file: str = "config.ini", debug=None, enable_gzip=False): """ Configure client via configuration file. The configuration has to be under 'influx' section. The supported formats: - - Configuration options: - url - org - token - timeout, - verify_ssl - ssl_ca_cert - connection_pool_maxsize - auth_basic - profilers - proxy config.ini example:: [influx2] url=http://localhost:8086 org=my-org token=my-token timeout=6000 connection_pool_maxsize=25 auth_basic=false profilers=query,operator [tags] id = 132-987-655 customer = California Miner data_center = ${env.data_center} config.toml example:: [influx2] url = "http://localhost:8086" token = "my-token" org = "my-org" timeout = 6000 connection_pool_maxsize = 25 auth_basic = false profilers="query, operator" proxy = "" [tags] id = "132-987-655" customer = "California Miner" data_center = "${env.data_center}" """ return super(InfluxDBClientAsync, cls)._from_config_file(config_file=config_file, debug=debug, enable_gzip=enable_gzip)
[docs] @classmethod def from_env_properties(cls, debug=None, enable_gzip=False): """ Configure client via environment properties. Supported environment properties: - INFLUXDB_V2_URL - INFLUXDB_V2_ORG - INFLUXDB_V2_TOKEN - INFLUXDB_V2_TIMEOUT - INFLUXDB_V2_VERIFY_SSL - INFLUXDB_V2_SSL_CA_CERT - INFLUXDB_V2_CONNECTION_POOL_MAXSIZE - INFLUXDB_V2_AUTH_BASIC - INFLUXDB_V2_PROFILERS - INFLUXDB_V2_TAG """ return super(InfluxDBClientAsync, cls)._from_env_properties(debug=debug, enable_gzip=enable_gzip)
[docs] async def ping(self) -> bool: """ Return the status of InfluxDB instance. :return: The status of InfluxDB. """ ping_service = PingService(self.api_client) try: await ping_service.get_ping_async() return True except Exception as ex: logger.debug("Unexpected error during /ping: %s", ex) raise ex
[docs] async def version(self) -> str: """ Return the version of the connected InfluxDB Server. :return: The version of InfluxDB. """ ping_service = PingService(self.api_client) response = await ping_service.get_ping_async(_return_http_data_only=False) return self._version(response)
[docs] def query_api(self, query_options: QueryOptions = QueryOptions()) -> QueryApiAsync: """ Create an asynchronous Query API instance. :param query_options: optional query api configuration :return: Query api instance """ return QueryApiAsync(self, query_options)
[docs] def write_api(self, point_settings=PointSettings()) -> WriteApiAsync: """ Create an asynchronous Write API instance. Example: .. code-block:: python from influxdb_client_async import InfluxDBClientAsync # Initialize async/await instance of Write API async with InfluxDBClientAsync(url="http://localhost:8086", token="my-token", org="my-org") as client: write_api = client.write_api() :param point_settings: settings to store default tags :return: write api instance """ return WriteApiAsync(influxdb_client=self, point_settings=point_settings)
[docs] def delete_api(self) -> DeleteApiAsync: """ Get the asynchronous delete metrics API instance. :return: delete api """ return DeleteApiAsync(self)