core/homeassistant/components/linode/binary_sensor.py

102 lines
2.7 KiB
Python

"""Support for monitoring the state of Linode Nodes."""
import logging
import voluptuous as vol
from homeassistant.components.binary_sensor import (
DEVICE_CLASS_MOVING,
PLATFORM_SCHEMA,
BinarySensorEntity,
)
import homeassistant.helpers.config_validation as cv
from . import (
ATTR_CREATED,
ATTR_IPV4_ADDRESS,
ATTR_IPV6_ADDRESS,
ATTR_MEMORY,
ATTR_NODE_ID,
ATTR_NODE_NAME,
ATTR_REGION,
ATTR_VCPUS,
CONF_NODES,
DATA_LINODE,
)
_LOGGER = logging.getLogger(__name__)
DEFAULT_NAME = "Node"
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
{vol.Required(CONF_NODES): vol.All(cv.ensure_list, [cv.string])}
)
def setup_platform(hass, config, add_entities, discovery_info=None):
"""Set up the Linode droplet sensor."""
linode = hass.data.get(DATA_LINODE)
nodes = config.get(CONF_NODES)
dev = []
for node in nodes:
node_id = linode.get_node_id(node)
if node_id is None:
_LOGGER.error("Node %s is not available", node)
return
dev.append(LinodeBinarySensor(linode, node_id))
add_entities(dev, True)
class LinodeBinarySensor(BinarySensorEntity):
"""Representation of a Linode droplet sensor."""
def __init__(self, li, node_id):
"""Initialize a new Linode sensor."""
self._linode = li
self._node_id = node_id
self._state = None
self.data = None
self._attrs = {}
self._name = None
@property
def name(self):
"""Return the name of the sensor."""
return self._name
@property
def is_on(self):
"""Return true if the binary sensor is on."""
return self._state
@property
def device_class(self):
"""Return the class of this sensor."""
return DEVICE_CLASS_MOVING
@property
def extra_state_attributes(self):
"""Return the state attributes of the Linode Node."""
return self._attrs
def update(self):
"""Update state of sensor."""
self._linode.update()
if self._linode.data is not None:
for node in self._linode.data:
if node.id == self._node_id:
self.data = node
if self.data is not None:
self._state = self.data.status == "running"
self._attrs = {
ATTR_CREATED: self.data.created,
ATTR_NODE_ID: self.data.id,
ATTR_NODE_NAME: self.data.label,
ATTR_IPV4_ADDRESS: self.data.ipv4,
ATTR_IPV6_ADDRESS: self.data.ipv6,
ATTR_MEMORY: self.data.specs.memory,
ATTR_REGION: self.data.region.country,
ATTR_VCPUS: self.data.specs.vcpus,
}
self._name = self.data.label