core/homeassistant/components/binary_sensor/linode.py

97 lines
2.8 KiB
Python

"""
Support for monitoring the state of Linode Nodes.
For more details about this component, please refer to the documentation at
https://home-assistant.io/components/binary_sensor.linode/
"""
import logging
import voluptuous as vol
import homeassistant.helpers.config_validation as cv
from homeassistant.components.binary_sensor import (
BinarySensorDevice, PLATFORM_SCHEMA)
from homeassistant.components.linode import (
CONF_NODES, ATTR_CREATED, ATTR_NODE_ID, ATTR_NODE_NAME,
ATTR_IPV4_ADDRESS, ATTR_IPV6_ADDRESS, ATTR_MEMORY,
ATTR_REGION, ATTR_VCPUS, DATA_LINODE)
_LOGGER = logging.getLogger(__name__)
DEFAULT_NAME = 'Node'
DEFAULT_DEVICE_CLASS = 'moving'
DEPENDENCIES = ['linode']
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
vol.Required(CONF_NODES): vol.All(cv.ensure_list, [cv.string]),
})
def setup_platform(hass, config, add_devices, 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_devices(dev, True)
class LinodeBinarySensor(BinarySensorDevice):
"""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
@property
def name(self):
"""Return the name of the sensor."""
if self.data is not None:
return self.data.label
@property
def is_on(self):
"""Return true if the binary sensor is on."""
if self.data is not None:
return self.data.status == 'running'
return False
@property
def device_class(self):
"""Return the class of this sensor."""
return DEFAULT_DEVICE_CLASS
@property
def device_state_attributes(self):
"""Return the state attributes of the Linode Node."""
if self.data:
return {
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,
}
return {}
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