core/homeassistant/components/splunk.py

98 lines
2.8 KiB
Python

"""
Support to send data to an Splunk instance.
For more details about this component, please refer to the documentation at
https://home-assistant.io/components/splunk/
"""
import json
import logging
from aiohttp.hdrs import AUTHORIZATION
import requests
import voluptuous as vol
from homeassistant.const import (
CONF_SSL, CONF_VERIFY_SSL, CONF_HOST, CONF_NAME,
CONF_PORT, CONF_TOKEN, EVENT_STATE_CHANGED)
from homeassistant.helpers import state as state_helper
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.json import JSONEncoder
_LOGGER = logging.getLogger(__name__)
DOMAIN = 'splunk'
DEFAULT_HOST = 'localhost'
DEFAULT_PORT = 8088
DEFAULT_SSL = False
DEFAULT_NAME = 'HASS'
CONFIG_SCHEMA = vol.Schema({
DOMAIN: vol.Schema({
vol.Required(CONF_TOKEN): cv.string,
vol.Optional(CONF_HOST, default=DEFAULT_HOST): cv.string,
vol.Optional(CONF_PORT, default=DEFAULT_PORT): cv.port,
vol.Optional(CONF_SSL, default=False): cv.boolean,
vol.Optional(CONF_VERIFY_SSL, default=True): cv.boolean,
vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
}),
}, extra=vol.ALLOW_EXTRA)
def setup(hass, config):
"""Set up the Splunk component."""
conf = config[DOMAIN]
host = conf.get(CONF_HOST)
port = conf.get(CONF_PORT)
token = conf.get(CONF_TOKEN)
use_ssl = conf.get(CONF_SSL)
verify_ssl = conf.get(CONF_VERIFY_SSL)
name = conf.get(CONF_NAME)
if use_ssl:
uri_scheme = 'https://'
else:
uri_scheme = 'http://'
event_collector = '{}{}:{}/services/collector/event'.format(
uri_scheme, host, port)
headers = {AUTHORIZATION: 'Splunk {}'.format(token)}
def splunk_event_listener(event):
"""Listen for new messages on the bus and sends them to Splunk."""
state = event.data.get('new_state')
if state is None:
return
try:
_state = state_helper.state_as_number(state)
except ValueError:
_state = state.state
json_body = [
{
'domain': state.domain,
'entity_id': state.object_id,
'attributes': dict(state.attributes),
'time': str(event.time_fired),
'value': _state,
'host': name,
}
]
try:
payload = {
"host": event_collector,
"event": json_body,
}
requests.post(event_collector,
data=json.dumps(payload, cls=JSONEncoder),
headers=headers, timeout=10, verify=verify_ssl)
except requests.exceptions.RequestException as error:
_LOGGER.exception("Error saving event to Splunk: %s", error)
hass.bus.listen(EVENT_STATE_CHANGED, splunk_event_listener)
return True