94 lines
3.0 KiB
Python
94 lines
3.0 KiB
Python
"""Support for sending data to StatsD."""
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import logging
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import statsd
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import voluptuous as vol
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from homeassistant.const import CONF_HOST, CONF_PORT, CONF_PREFIX, EVENT_STATE_CHANGED
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from homeassistant.core import HomeAssistant
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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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from homeassistant.helpers.typing import ConfigType
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_LOGGER = logging.getLogger(__name__)
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CONF_ATTR = "log_attributes"
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CONF_RATE = "rate"
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CONF_VALUE_MAP = "value_mapping"
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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 = "statsd"
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CONFIG_SCHEMA = vol.Schema(
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{
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DOMAIN: vol.Schema(
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{
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vol.Required(CONF_HOST, default=DEFAULT_HOST): cv.string,
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vol.Optional(CONF_ATTR, default=False): cv.boolean,
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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): vol.All(
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vol.Coerce(int), vol.Range(min=1)
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),
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vol.Optional(CONF_VALUE_MAP): dict,
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}
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)
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},
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extra=vol.ALLOW_EXTRA,
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)
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def setup(hass: HomeAssistant, config: ConfigType) -> bool:
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"""Set up the StatsD component."""
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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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value_mapping = conf.get(CONF_VALUE_MAP)
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show_attribute_flag = conf.get(CONF_ATTR)
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statsd_client = statsd.StatsClient(host=host, port=port, prefix=prefix)
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def statsd_event_listener(event):
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"""Listen for new messages on the bus and sends them to StatsD."""
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if (state := event.data.get("new_state")) is None:
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return
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try:
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if value_mapping and state.state in value_mapping:
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_state = float(value_mapping[state.state])
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else:
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_state = state_helper.state_as_number(state)
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except ValueError:
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# Set the state to none and continue for any numeric attributes.
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_state = None
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states = dict(state.attributes)
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_LOGGER.debug("Sending %s", state.entity_id)
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if show_attribute_flag is True:
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if isinstance(_state, (float, int)):
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statsd_client.gauge(f"{state.entity_id}.state", _state, sample_rate)
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# Send attribute values
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for key, value in states.items():
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if isinstance(value, (float, int)):
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stat = "{}.{}".format(state.entity_id, key.replace(" ", "_"))
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statsd_client.gauge(stat, value, sample_rate)
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elif isinstance(_state, (float, int)):
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statsd_client.gauge(state.entity_id, _state, sample_rate)
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# Increment the count
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statsd_client.incr(state.entity_id, rate=sample_rate)
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hass.bus.listen(EVENT_STATE_CHANGED, statsd_event_listener)
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return True
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