Rename influx to influxdb

homeassistant/components/influxdb.py

@@ -0,0 +1,113 @@
+"""
+homeassistant.components.influx
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+InfluxDB component which allows you to send data to an Influx database.
+
+For more details about this component, please refer to the documentation at
+https://home-assistant.io/components/influx/
+
+Configuration:
+
+influx:
+  host: localhost
+  port: 8086
+  dbname: home_assistant
+  dbuser: DB_USER
+  dbuser_password: DB_USER_PASSWORD
+"""
+import logging
+
+import homeassistant.util as util
+from homeassistant.helpers import validate_config
+from homeassistant.const import (EVENT_STATE_CHANGED, STATE_ON, STATE_OFF,
+                                 STATE_UNLOCKED, STATE_LOCKED, STATE_UNKNOWN)
+from homeassistant.components.sun import (STATE_ABOVE_HORIZON,
+                                          STATE_BELOW_HORIZON)
+
+_LOGGER = logging.getLogger(__name__)
+
+DOMAIN = "influx"
+DEPENDENCIES = []
+
+DEFAULT_HOST = 'localhost'
+DEFAULT_PORT = 8086
+DEFAULT_DATABASE = 'home_assistant'
+
+REQUIREMENTS = ['influxdb==2.10.0']
+
+CONF_HOST = 'host'
+CONF_PORT = 'port'
+CONF_DB_NAME = 'database'
+CONF_USERNAME = 'username'
+CONF_PASSWORD = 'password'
+
+
+def setup(hass, config):
+    """ Setup the Influx component. """
+
+    from influxdb import InfluxDBClient, exceptions
+
+    if not validate_config(config, {DOMAIN: ['host']}, _LOGGER):
+        return False
+
+    conf = config[DOMAIN]
+
+    host = conf[CONF_HOST]
+    port = util.convert(conf.get(CONF_PORT), int, DEFAULT_PORT)
+    dbname = util.convert(conf.get(CONF_DB_NAME), str, DEFAULT_DATABASE)
+    username = util.convert(conf.get(CONF_USERNAME), str)
+    password = util.convert(conf.get(CONF_PASSWORD), str)
+
+    try:
+        influx = InfluxDBClient(host=host, port=port, username=username,
+                                password=password, database=dbname)
+        databases = [i['name'] for i in influx.get_list_database()]
+    except exceptions.InfluxDBClientError:
+        _LOGGER.error("Database host is not accessible. "
+                      "Please check your entries in the configuration file.")
+        return False
+
+    if dbname not in databases:
+        _LOGGER.error("Database %s doesn't exist", dbname)
+        return False
+
+    def influx_event_listener(event):
+        """ Listen for new messages on the bus and sends them to Influx. """
+
+        state = event.data.get('new_state')
+
+        if state is None:
+            return
+
+        if state.state in (STATE_ON, STATE_LOCKED, STATE_ABOVE_HORIZON):
+            _state = 1
+        elif state.state in (STATE_OFF, STATE_UNLOCKED, STATE_UNKNOWN,
+                             STATE_BELOW_HORIZON):
+            _state = 0
+        else:
+            _state = state.state
+
+        measurement = state.attributes.get('unit_of_measurement', state.domain)
+
+        json_body = [
+            {
+                'measurement': measurement,
+                'tags': {
+                    'domain': state.domain,
+                    'entity_id': state.object_id,
+                },
+                'time': event.time_fired,
+                'fields': {
+                    'value': _state,
+                }
+            }
+        ]
+
+        try:
+            influx.write_points(json_body)
+        except exceptions.InfluxDBClientError:
+            _LOGGER.exception('Error saving event to Influx')
+
+    hass.bus.listen(EVENT_STATE_CHANGED, influx_event_listener)
+
+    return True