mirror of https://github.com/home-assistant/core
183 lines
5.7 KiB
Python
183 lines
5.7 KiB
Python
"""Config flow for azure_event_hub integration."""
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from __future__ import annotations
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from copy import deepcopy
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import logging
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from typing import Any
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from azure.eventhub.exceptions import EventHubError
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import voluptuous as vol
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from homeassistant import config_entries
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from homeassistant.core import callback
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from homeassistant.data_entry_flow import FlowResult
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from homeassistant.helpers.schema_config_entry_flow import (
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SchemaFlowFormStep,
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SchemaOptionsFlowHandler,
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)
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from .client import AzureEventHubClient
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from .const import (
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CONF_EVENT_HUB_CON_STRING,
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CONF_EVENT_HUB_INSTANCE_NAME,
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CONF_EVENT_HUB_NAMESPACE,
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CONF_EVENT_HUB_SAS_KEY,
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CONF_EVENT_HUB_SAS_POLICY,
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CONF_MAX_DELAY,
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CONF_SEND_INTERVAL,
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CONF_USE_CONN_STRING,
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DEFAULT_OPTIONS,
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DOMAIN,
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STEP_CONN_STRING,
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STEP_SAS,
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STEP_USER,
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)
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_LOGGER = logging.getLogger(__name__)
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BASE_SCHEMA = vol.Schema(
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{
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vol.Required(CONF_EVENT_HUB_INSTANCE_NAME): str,
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vol.Optional(CONF_USE_CONN_STRING, default=False): bool,
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}
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)
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CONN_STRING_SCHEMA = vol.Schema(
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{
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vol.Required(CONF_EVENT_HUB_CON_STRING): str,
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}
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)
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SAS_SCHEMA = vol.Schema(
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{
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vol.Required(CONF_EVENT_HUB_NAMESPACE): str,
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vol.Required(CONF_EVENT_HUB_SAS_POLICY): str,
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vol.Required(CONF_EVENT_HUB_SAS_KEY): str,
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}
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)
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OPTIONS_SCHEMA = vol.Schema(
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{
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vol.Required(CONF_SEND_INTERVAL): int,
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}
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)
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OPTIONS_FLOW = {
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"init": SchemaFlowFormStep(OPTIONS_SCHEMA),
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}
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async def validate_data(data: dict[str, Any]) -> dict[str, str] | None:
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"""Validate the input."""
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client = AzureEventHubClient.from_input(**data)
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try:
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await client.test_connection()
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except EventHubError:
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return {"base": "cannot_connect"}
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except Exception: # pylint: disable=broad-except
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_LOGGER.exception("Unknown error")
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return {"base": "unknown"}
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return None
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class AEHConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
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"""Handle a config flow for azure event hub."""
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VERSION: int = 1
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def __init__(self) -> None:
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"""Initialize the config flow."""
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self._data: dict[str, Any] = {}
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self._options: dict[str, Any] = deepcopy(DEFAULT_OPTIONS)
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self._conn_string: bool | None = None
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@staticmethod
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@callback
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def async_get_options_flow(
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config_entry: config_entries.ConfigEntry,
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) -> SchemaOptionsFlowHandler:
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"""Get the options flow for this handler."""
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return SchemaOptionsFlowHandler(config_entry, OPTIONS_FLOW)
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async def async_step_user(
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self, user_input: dict[str, Any] | None = None
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) -> FlowResult:
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"""Handle the initial user step."""
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if self._async_current_entries():
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return self.async_abort(reason="single_instance_allowed")
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if user_input is None:
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return self.async_show_form(step_id=STEP_USER, data_schema=BASE_SCHEMA)
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self._conn_string = user_input.pop(CONF_USE_CONN_STRING)
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self._data = user_input
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if self._conn_string:
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return await self.async_step_conn_string()
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return await self.async_step_sas()
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async def async_step_conn_string(
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self, user_input: dict[str, Any] | None = None
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) -> FlowResult:
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"""Handle the connection string steps."""
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errors = await self.async_update_and_validate_data(user_input)
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if user_input is None or errors is not None:
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return self.async_show_form(
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step_id=STEP_CONN_STRING,
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data_schema=CONN_STRING_SCHEMA,
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errors=errors,
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description_placeholders=self._data[CONF_EVENT_HUB_INSTANCE_NAME],
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last_step=True,
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)
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return self.async_create_entry(
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title=self._data[CONF_EVENT_HUB_INSTANCE_NAME],
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data=self._data,
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options=self._options,
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)
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async def async_step_sas(
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self, user_input: dict[str, Any] | None = None
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) -> FlowResult:
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"""Handle the sas steps."""
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errors = await self.async_update_and_validate_data(user_input)
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if user_input is None or errors is not None:
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return self.async_show_form(
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step_id=STEP_SAS,
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data_schema=SAS_SCHEMA,
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errors=errors,
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description_placeholders=self._data[CONF_EVENT_HUB_INSTANCE_NAME],
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last_step=True,
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)
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return self.async_create_entry(
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title=self._data[CONF_EVENT_HUB_INSTANCE_NAME],
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data=self._data,
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options=self._options,
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)
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async def async_step_import(self, import_config: dict[str, Any]) -> FlowResult:
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"""Import config from configuration.yaml."""
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if self._async_current_entries():
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return self.async_abort(reason="single_instance_allowed")
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if CONF_SEND_INTERVAL in import_config:
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self._options[CONF_SEND_INTERVAL] = import_config.pop(CONF_SEND_INTERVAL)
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if CONF_MAX_DELAY in import_config:
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self._options[CONF_MAX_DELAY] = import_config.pop(CONF_MAX_DELAY)
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self._data = import_config
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errors = await validate_data(self._data)
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if errors:
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return self.async_abort(reason=errors["base"])
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return self.async_create_entry(
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title=self._data[CONF_EVENT_HUB_INSTANCE_NAME],
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data=self._data,
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options=self._options,
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)
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async def async_update_and_validate_data(
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self, user_input: dict[str, Any] | None
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) -> dict[str, str] | None:
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"""Validate the input."""
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if user_input is None:
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return None
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self._data.update(user_input)
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return await validate_data(self._data)
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