core/homeassistant/components/upcloud/__init__.py

311 lines
9.2 KiB
Python

"""Support for UpCloud."""
from __future__ import annotations
import dataclasses
from datetime import timedelta
import logging
from typing import Dict
import requests.exceptions
import upcloud_api
import voluptuous as vol
from homeassistant.components.binary_sensor import DOMAIN as BINARY_SENSOR_DOMAIN
from homeassistant.components.switch import DOMAIN as SWITCH_DOMAIN
from homeassistant.config_entries import SOURCE_IMPORT, ConfigEntry
from homeassistant.const import (
CONF_PASSWORD,
CONF_SCAN_INTERVAL,
CONF_USERNAME,
STATE_OFF,
STATE_ON,
STATE_PROBLEM,
)
from homeassistant.core import CALLBACK_TYPE
from homeassistant.exceptions import ConfigEntryNotReady
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.dispatcher import (
async_dispatcher_connect,
async_dispatcher_send,
)
from homeassistant.helpers.typing import HomeAssistantType
from homeassistant.helpers.update_coordinator import (
CoordinatorEntity,
DataUpdateCoordinator,
)
from .const import CONFIG_ENTRY_UPDATE_SIGNAL_TEMPLATE, DEFAULT_SCAN_INTERVAL, DOMAIN
_LOGGER = logging.getLogger(__name__)
ATTR_CORE_NUMBER = "core_number"
ATTR_HOSTNAME = "hostname"
ATTR_MEMORY_AMOUNT = "memory_amount"
ATTR_TITLE = "title"
ATTR_UUID = "uuid"
ATTR_ZONE = "zone"
CONF_SERVERS = "servers"
DATA_UPCLOUD = "data_upcloud"
DEFAULT_COMPONENT_NAME = "UpCloud {}"
DEFAULT_COMPONENT_DEVICE_CLASS = "power"
CONFIG_ENTRY_DOMAINS = {BINARY_SENSOR_DOMAIN, SWITCH_DOMAIN}
SIGNAL_UPDATE_UPCLOUD = "upcloud_update"
STATE_MAP = {"error": STATE_PROBLEM, "started": STATE_ON, "stopped": STATE_OFF}
CONFIG_SCHEMA = vol.Schema(
{
DOMAIN: vol.Schema(
{
vol.Required(CONF_USERNAME): cv.string,
vol.Required(CONF_PASSWORD): cv.string,
vol.Optional(
CONF_SCAN_INTERVAL, default=DEFAULT_SCAN_INTERVAL
): cv.time_period,
}
)
},
extra=vol.ALLOW_EXTRA,
)
class UpCloudDataUpdateCoordinator(
DataUpdateCoordinator[Dict[str, upcloud_api.Server]]
):
"""UpCloud data update coordinator."""
def __init__(
self,
hass: HomeAssistantType,
*,
cloud_manager: upcloud_api.CloudManager,
update_interval: timedelta,
username: str,
) -> None:
"""Initialize coordinator."""
super().__init__(
hass, _LOGGER, name=f"{username}@UpCloud", update_interval=update_interval
)
self.cloud_manager = cloud_manager
self.unsub_handlers: list[CALLBACK_TYPE] = []
async def async_update_config(self, config_entry: ConfigEntry) -> None:
"""Handle config update."""
self.update_interval = timedelta(
seconds=config_entry.options[CONF_SCAN_INTERVAL]
)
async def _async_update_data(self) -> dict[str, upcloud_api.Server]:
return {
x.uuid: x
for x in await self.hass.async_add_executor_job(
self.cloud_manager.get_servers
)
}
@dataclasses.dataclass
class UpCloudHassData:
"""Home Assistant UpCloud runtime data."""
coordinators: dict[str, UpCloudDataUpdateCoordinator] = dataclasses.field(
default_factory=dict
)
scan_interval_migrations: dict[str, int] = dataclasses.field(default_factory=dict)
async def async_setup(hass: HomeAssistantType, config) -> bool:
"""Set up UpCloud component."""
domain_config = config.get(DOMAIN)
if not domain_config:
return True
_LOGGER.warning(
"Loading upcloud via top level config is deprecated and no longer "
"necessary as of 0.117; Please remove it from your YAML configuration"
)
hass.async_create_task(
hass.config_entries.flow.async_init(
DOMAIN,
context={"source": SOURCE_IMPORT},
data={
CONF_USERNAME: domain_config[CONF_USERNAME],
CONF_PASSWORD: domain_config[CONF_PASSWORD],
},
)
)
if domain_config[CONF_SCAN_INTERVAL]:
hass.data[DATA_UPCLOUD] = UpCloudHassData()
hass.data[DATA_UPCLOUD].scan_interval_migrations[
domain_config[CONF_USERNAME]
] = domain_config[CONF_SCAN_INTERVAL]
return True
def _config_entry_update_signal_name(config_entry: ConfigEntry) -> str:
"""Get signal name for updates to a config entry."""
return CONFIG_ENTRY_UPDATE_SIGNAL_TEMPLATE.format(config_entry.unique_id)
async def _async_signal_options_update(
hass: HomeAssistantType, config_entry: ConfigEntry
) -> None:
"""Signal config entry options update."""
async_dispatcher_send(
hass, _config_entry_update_signal_name(config_entry), config_entry
)
async def async_setup_entry(hass: HomeAssistantType, config_entry: ConfigEntry) -> bool:
"""Set up the UpCloud config entry."""
manager = upcloud_api.CloudManager(
config_entry.data[CONF_USERNAME], config_entry.data[CONF_PASSWORD]
)
try:
await hass.async_add_executor_job(manager.authenticate)
except upcloud_api.UpCloudAPIError:
_LOGGER.error("Authentication failed", exc_info=True)
return False
except requests.exceptions.RequestException as err:
_LOGGER.error("Failed to connect", exc_info=True)
raise ConfigEntryNotReady from err
upcloud_data = hass.data.setdefault(DATA_UPCLOUD, UpCloudHassData())
# Handle pre config entry (0.117) scan interval migration to options
migrated_scan_interval = upcloud_data.scan_interval_migrations.pop(
config_entry.data[CONF_USERNAME], None
)
if migrated_scan_interval and (
not config_entry.options.get(CONF_SCAN_INTERVAL)
or config_entry.options[CONF_SCAN_INTERVAL] == DEFAULT_SCAN_INTERVAL.seconds
):
update_interval = migrated_scan_interval
hass.config_entries.async_update_entry(
config_entry,
options={CONF_SCAN_INTERVAL: update_interval.seconds},
)
elif config_entry.options.get(CONF_SCAN_INTERVAL):
update_interval = timedelta(seconds=config_entry.options[CONF_SCAN_INTERVAL])
else:
update_interval = DEFAULT_SCAN_INTERVAL
coordinator = UpCloudDataUpdateCoordinator(
hass,
update_interval=update_interval,
cloud_manager=manager,
username=config_entry.data[CONF_USERNAME],
)
# Call the UpCloud API to refresh data
await coordinator.async_config_entry_first_refresh()
# Listen to config entry updates
coordinator.unsub_handlers.append(
config_entry.add_update_listener(_async_signal_options_update)
)
coordinator.unsub_handlers.append(
async_dispatcher_connect(
hass,
_config_entry_update_signal_name(config_entry),
coordinator.async_update_config,
)
)
upcloud_data.coordinators[config_entry.data[CONF_USERNAME]] = coordinator
# Forward entry setup
for domain in CONFIG_ENTRY_DOMAINS:
hass.async_create_task(
hass.config_entries.async_forward_entry_setup(config_entry, domain)
)
return True
async def async_unload_entry(hass, config_entry):
"""Unload the config entry."""
for domain in CONFIG_ENTRY_DOMAINS:
await hass.config_entries.async_forward_entry_unload(config_entry, domain)
coordinator: UpCloudDataUpdateCoordinator = hass.data[
DATA_UPCLOUD
].coordinators.pop(config_entry.data[CONF_USERNAME])
while coordinator.unsub_handlers:
coordinator.unsub_handlers.pop()()
return True
class UpCloudServerEntity(CoordinatorEntity):
"""Entity class for UpCloud servers."""
def __init__(self, coordinator, uuid):
"""Initialize the UpCloud server entity."""
super().__init__(coordinator)
self.uuid = uuid
@property
def _server(self) -> upcloud_api.Server:
return self.coordinator.data[self.uuid]
@property
def unique_id(self) -> str:
"""Return unique ID for the entity."""
return self.uuid
@property
def name(self):
"""Return the name of the component."""
try:
return DEFAULT_COMPONENT_NAME.format(self._server.title)
except (AttributeError, KeyError, TypeError):
return DEFAULT_COMPONENT_NAME.format(self.uuid)
@property
def icon(self):
"""Return the icon of this server."""
return "mdi:server" if self.is_on else "mdi:server-off"
@property
def state(self):
"""Return state of the server."""
try:
return STATE_MAP.get(self._server.state, self._server.state)
except AttributeError:
return None
@property
def is_on(self):
"""Return true if the server is on."""
return self.state == STATE_ON
@property
def device_class(self):
"""Return the class of this server."""
return DEFAULT_COMPONENT_DEVICE_CLASS
@property
def extra_state_attributes(self):
"""Return the state attributes of the UpCloud server."""
return {
x: getattr(self._server, x, None)
for x in (
ATTR_UUID,
ATTR_TITLE,
ATTR_HOSTNAME,
ATTR_ZONE,
ATTR_CORE_NUMBER,
ATTR_MEMORY_AMOUNT,
)
}