103 lines
3.6 KiB
Python
103 lines
3.6 KiB
Python
|
"""Config flow for Lutron Caseta."""
|
||
|
|
import logging
|
||
|
|
|
||
|
|
from pylutron_caseta.smartbridge import Smartbridge
|
||
|
|
|
||
|
|
from homeassistant import config_entries
|
||
|
|
from homeassistant.const import CONF_HOST
|
||
|
|
|
||
|
|
from . import DOMAIN # pylint: disable=unused-import
|
||
|
|
from .const import (
|
||
|
|
ABORT_REASON_ALREADY_CONFIGURED,
|
||
|
|
ABORT_REASON_CANNOT_CONNECT,
|
||
|
|
CONF_CA_CERTS,
|
||
|
|
CONF_CERTFILE,
|
||
|
|
CONF_KEYFILE,
|
||
|
|
ERROR_CANNOT_CONNECT,
|
||
|
|
STEP_IMPORT_FAILED,
|
||
|
|
)
|
||
|
|
|
||
|
|
_LOGGER = logging.getLogger(__name__)
|
||
|
|
|
||
|
|
ENTRY_DEFAULT_TITLE = "Caséta bridge"
|
||
|
|
|
||
|
|
|
||
|
|
class LutronCasetaFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
|
||
|
|
"""Handle Lutron Caseta config flow."""
|
||
|
|
|
||
|
|
VERSION = 1
|
||
|
|
CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_POLL
|
||
|
|
|
||
|
|
def __init__(self):
|
||
|
|
"""Initialize a Lutron Caseta flow."""
|
||
|
|
self.data = {}
|
||
|
|
|
||
|
|
async def async_step_import(self, import_info):
|
||
|
|
"""Import a new Caseta bridge as a config entry.
|
||
|
|
|
||
|
|
This flow is triggered by `async_setup`.
|
||
|
|
"""
|
||
|
|
|
||
|
|
# Abort if existing entry with matching host exists.
|
||
|
|
host = import_info[CONF_HOST]
|
||
|
|
if any(
|
||
|
|
host == entry.data[CONF_HOST] for entry in self._async_current_entries()
|
||
|
|
):
|
||
|
|
return self.async_abort(reason=ABORT_REASON_ALREADY_CONFIGURED)
|
||
|
|
|
||
|
|
# Store the imported config for other steps in this flow to access.
|
||
|
|
self.data[CONF_HOST] = host
|
||
|
|
self.data[CONF_KEYFILE] = import_info[CONF_KEYFILE]
|
||
|
|
self.data[CONF_CERTFILE] = import_info[CONF_CERTFILE]
|
||
|
|
self.data[CONF_CA_CERTS] = import_info[CONF_CA_CERTS]
|
||
|
|
|
||
|
|
if not await self.async_validate_connectable_bridge_config():
|
||
|
|
# Ultimately we won't have a dedicated step for import failure, but
|
||
|
|
# in order to keep configuration.yaml-based configs transparently
|
||
|
|
# working without requiring further actions from the user, we don't
|
||
|
|
# display a form at all before creating a config entry in the
|
||
|
|
# default case, so we're only going to show a form in case the
|
||
|
|
# import fails.
|
||
|
|
# This will change in an upcoming release where UI-based config flow
|
||
|
|
# will become the default for the Lutron Caseta integration (which
|
||
|
|
# will require users to go through a confirmation flow for imports).
|
||
|
|
return await self.async_step_import_failed()
|
||
|
|
|
||
|
|
return self.async_create_entry(title=ENTRY_DEFAULT_TITLE, data=self.data)
|
||
|
|
|
||
|
|
async def async_step_import_failed(self, user_input=None):
|
||
|
|
"""Make failed import surfaced to user."""
|
||
|
|
|
||
|
|
if user_input is None:
|
||
|
|
return self.async_show_form(
|
||
|
|
step_id=STEP_IMPORT_FAILED,
|
||
|
|
description_placeholders={"host": self.data[CONF_HOST]},
|
||
|
|
errors={"base": ERROR_CANNOT_CONNECT},
|
||
|
|
)
|
||
|
|
|
||
|
|
return self.async_abort(reason=ABORT_REASON_CANNOT_CONNECT)
|
||
|
|
|
||
|
|
async def async_validate_connectable_bridge_config(self):
|
||
|
|
"""Check if we can connect to the bridge with the current config."""
|
||
|
|
|
||
|
|
try:
|
||
|
|
bridge = Smartbridge.create_tls(
|
||
|
|
hostname=self.data[CONF_HOST],
|
||
|
|
keyfile=self.data[CONF_KEYFILE],
|
||
|
|
certfile=self.data[CONF_CERTFILE],
|
||
|
|
ca_certs=self.data[CONF_CA_CERTS],
|
||
|
|
)
|
||
|
|
|
||
|
|
await bridge.connect()
|
||
|
|
if not bridge.is_connected():
|
||
|
|
return False
|
||
|
|
|
||
|
|
await bridge.close()
|
||
|
|
return True
|
||
|
|
except Exception: # pylint: disable=broad-except
|
||
|
|
_LOGGER.exception(
|
||
|
|
"Unknown exception while checking connectivity to bridge %s",
|
||
|
|
self.data[CONF_HOST],
|
||
|
|
)
|
||
|
|
return False
|