105 lines
3.2 KiB
Python
105 lines
3.2 KiB
Python
"""
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A component which allows you to send data to Datadog.
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For more details about this component, please refer to the documentation at
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https://home-assistant.io/components/datadog/
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"""
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import logging
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import voluptuous as vol
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from homeassistant.const import (
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CONF_HOST, CONF_PORT, CONF_PREFIX, EVENT_LOGBOOK_ENTRY,
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EVENT_STATE_CHANGED, STATE_UNKNOWN)
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from homeassistant.helpers import state as state_helper
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import homeassistant.helpers.config_validation as cv
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REQUIREMENTS = ['datadog==0.15.0']
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_LOGGER = logging.getLogger(__name__)
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CONF_RATE = 'rate'
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DEFAULT_HOST = 'localhost'
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DEFAULT_PORT = 8125
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DEFAULT_PREFIX = 'hass'
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DEFAULT_RATE = 1
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DOMAIN = 'datadog'
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CONFIG_SCHEMA = vol.Schema({
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DOMAIN: vol.Schema({
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vol.Required(CONF_HOST, default=DEFAULT_HOST): cv.string,
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vol.Optional(CONF_PORT, default=DEFAULT_PORT): cv.port,
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vol.Optional(CONF_PREFIX, default=DEFAULT_PREFIX): cv.string,
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vol.Optional(CONF_RATE, default=DEFAULT_RATE):
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vol.All(vol.Coerce(int), vol.Range(min=1)),
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}),
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}, extra=vol.ALLOW_EXTRA)
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def setup(hass, config):
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"""Set up the Datadog component."""
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from datadog import initialize, statsd
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conf = config[DOMAIN]
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host = conf.get(CONF_HOST)
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port = conf.get(CONF_PORT)
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sample_rate = conf.get(CONF_RATE)
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prefix = conf.get(CONF_PREFIX)
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initialize(statsd_host=host, statsd_port=port)
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def logbook_entry_listener(event):
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"""Listen for logbook entries and send them as events."""
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name = event.data.get('name')
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message = event.data.get('message')
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statsd.event(
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title="Home Assistant",
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text="%%% \n **{}** {} \n %%%".format(name, message),
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tags=[
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"entity:{}".format(event.data.get('entity_id')),
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"domain:{}".format(event.data.get('domain'))
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]
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)
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_LOGGER.debug('Sent event %s', event.data.get('entity_id'))
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def state_changed_listener(event):
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"""Listen for new messages on the bus and sends them to Datadog."""
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state = event.data.get('new_state')
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if state is None or state.state == STATE_UNKNOWN:
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return
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if state.attributes.get('hidden') is True:
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return
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states = dict(state.attributes)
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metric = "{}.{}".format(prefix, state.domain)
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tags = ["entity:{}".format(state.entity_id)]
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for key, value in states.items():
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if isinstance(value, (float, int)):
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attribute = "{}.{}".format(metric, key.replace(' ', '_'))
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statsd.gauge(
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attribute, value, sample_rate=sample_rate, tags=tags)
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_LOGGER.debug(
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"Sent metric %s: %s (tags: %s)", attribute, value, tags)
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try:
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value = state_helper.state_as_number(state)
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except ValueError:
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_LOGGER.debug(
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"Error sending %s: %s (tags: %s)", metric, state.state, tags)
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return
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statsd.gauge(metric, value, sample_rate=sample_rate, tags=tags)
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_LOGGER.debug('Sent metric %s: %s (tags: %s)', metric, value, tags)
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hass.bus.listen(EVENT_LOGBOOK_ENTRY, logbook_entry_listener)
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hass.bus.listen(EVENT_STATE_CHANGED, state_changed_listener)
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return True
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