✏️ Editing: influxdb_client_async.py Read Only

"""InfluxDBClientAsync is client for API defined in https://github.com/influxdata/openapi/blob/master/contracts/oss.yml."""  # 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')

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 cert_file: Path to the certificate that will be used for mTLS authentication.
        :key str cert_key_file: Path to the file contains private key for mTLS certificate.
        :key str cert_key_password: String or function which returns password for decrypting the mTLS private key.
        :key ssl.SSLContext ssl_context: Specify a custom Python SSL Context for the TLS/ mTLS handshake.
                                         Be aware that only delivered certificate/ key files or an SSL Context are
                                         possible.
        :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, **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()

async def close(self):
        """Shutdown the client."""
        if self.api_client:
            await self.api_client.close()
            self.api_client = None

@classmethod
    def from_config_file(cls, config_file: str = "config.ini", debug=None, enable_gzip=False, **kwargs):
        """
        Configure client via configuration file. The configuration has to be under 'influx' section.

:param config_file: Path to configuration file
        :param debug: Enable verbose logging of http requests
        :param enable_gzip: Enable Gzip compression for http requests. Currently, only the "Write" and "Query" endpoints
                            supports the Gzip compression.
        :key config_name: Name of the configuration section of the configuration file
        :key str proxy_headers: A dictionary containing headers that will be sent to the proxy. Could be used for proxy
                                authentication.
        :key urllib3.util.retry.Retry retries: Set the default retry strategy that is used for all HTTP requests
                                               except batching writes. As a default there is no one retry strategy.
        :key ssl.SSLContext ssl_context: Specify a custom Python SSL Context for the TLS/ mTLS handshake.
                                         Be aware that only delivered certificate/ key files or an SSL Context are
                                         possible.

The supported formats:
            - https://docs.python.org/3/library/configparser.html
            - https://toml.io/en/
            - https://www.json.org/json-en.html

Configuration options:
            - url
            - org
            - token
            - timeout,
            - verify_ssl
            - ssl_ca_cert
            - cert_file
            - cert_key_file
            - cert_key_password
            - 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
            proxy=http:proxy.domain.org:8080

[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 = "http://proxy.domain.org:8080"

[tags]
                id = "132-987-655"
                customer = "California Miner"
                data_center = "${env.data_center}"

config.json example::

{
                "url": "http://localhost:8086",
                "token": "my-token",
                "org": "my-org",
                "active": true,
                "timeout": 6000,
                "connection_pool_maxsize": 55,
                "auth_basic": false,
                "profilers": "query, operator",
                "tags": {
                    "id": "132-987-655",
                    "customer": "California Miner",
                    "data_center": "${env.data_center}"
                }
            }

"""
        return InfluxDBClientAsync._from_config_file(config_file=config_file, debug=debug,
                                                     enable_gzip=enable_gzip, **kwargs)

@classmethod
    def from_env_properties(cls, debug=None, enable_gzip=False, **kwargs):
        """
        Configure client via environment properties.

:param debug: Enable verbose logging of http requests
        :param enable_gzip: Enable Gzip compression for http requests. Currently, only the "Write" and "Query" endpoints
                            supports the Gzip compression.
        :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 urllib3.util.retry.Retry retries: Set the default retry strategy that is used for all HTTP requests
                                               except batching writes. As a default there is no one retry strategy.
        :key ssl.SSLContext ssl_context: Specify a custom Python SSL Context for the TLS/ mTLS handshake.
                                         Be aware that only delivered certificate/ key files or an SSL Context are
                                         possible.

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_CERT_FILE
            - INFLUXDB_V2_CERT_KEY_FILE
            - INFLUXDB_V2_CERT_KEY_PASSWORD
            - INFLUXDB_V2_CONNECTION_POOL_MAXSIZE
            - INFLUXDB_V2_AUTH_BASIC
            - INFLUXDB_V2_PROFILERS
            - INFLUXDB_V2_TAG
        """
        return InfluxDBClientAsync._from_env_properties(debug=debug, enable_gzip=enable_gzip, **kwargs)

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

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 ping_service.response_header(response)

async def build(self) -> str:
        """
        Return the build type of the connected InfluxDB Server.

:return: The type of InfluxDB build.
        """
        ping_service = PingService(self.api_client)

return await ping_service.build_type_async()

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)

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)

def delete_api(self) -> DeleteApiAsync:
        """
        Get the asynchronous delete metrics API instance.

:return: delete api
        """
        return DeleteApiAsync(self)

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