core/homeassistant/components/splunk/__init__.py

114 lines
3.2 KiB
Python

"""Support to send data to an Splunk instance."""
import json
import logging
from aiohttp.hdrs import AUTHORIZATION
import requests
import voluptuous as vol
from homeassistant.const import (
CONF_HOST,
CONF_NAME,
CONF_PORT,
CONF_SSL,
CONF_TOKEN,
CONF_VERIFY_SSL,
EVENT_STATE_CHANGED,
)
from homeassistant.helpers import state as state_helper
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.entityfilter import FILTER_SCHEMA
from homeassistant.helpers.json import JSONEncoder
_LOGGER = logging.getLogger(__name__)
CONF_FILTER = "filter"
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,
vol.Optional(CONF_FILTER, default={}): FILTER_SCHEMA,
}
)
},
extra=vol.ALLOW_EXTRA,
)
def post_request(event_collector, body, headers, verify_ssl):
"""Post request to Splunk."""
try:
payload = {"host": event_collector, "event": 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)
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)
entity_filter = conf[CONF_FILTER]
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 or not entity_filter(state.entity_id):
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,
}
]
post_request(event_collector, json_body, headers, verify_ssl)
hass.bus.listen(EVENT_STATE_CHANGED, splunk_event_listener)
return True