mirror of
https://github.com/home-assistant/core
synced 2024-08-31 05:57:13 +02:00
90 lines
2.8 KiB
Python
90 lines
2.8 KiB
Python
"""
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AWS Lambda platform for notify component.
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For more details about this platform, please refer to the documentation at
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https://home-assistant.io/components/notify.aws_lambda/
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"""
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import logging
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import json
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import base64
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import voluptuous as vol
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from homeassistant.const import (
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CONF_PLATFORM, CONF_NAME)
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from homeassistant.components.notify import (
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ATTR_TARGET, PLATFORM_SCHEMA, BaseNotificationService)
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import homeassistant.helpers.config_validation as cv
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from homeassistant.helpers.json import JSONEncoder
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REQUIREMENTS = ['boto3==1.9.16']
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_LOGGER = logging.getLogger(__name__)
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CONF_REGION = 'region_name'
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CONF_ACCESS_KEY_ID = 'aws_access_key_id'
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CONF_SECRET_ACCESS_KEY = 'aws_secret_access_key'
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CONF_PROFILE_NAME = 'profile_name'
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CONF_CONTEXT = 'context'
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ATTR_CREDENTIALS = 'credentials'
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
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vol.Optional(CONF_REGION, default='us-east-1'): cv.string,
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vol.Inclusive(CONF_ACCESS_KEY_ID, ATTR_CREDENTIALS): cv.string,
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vol.Inclusive(CONF_SECRET_ACCESS_KEY, ATTR_CREDENTIALS): cv.string,
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vol.Exclusive(CONF_PROFILE_NAME, ATTR_CREDENTIALS): cv.string,
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vol.Optional(CONF_CONTEXT, default=dict()): vol.Coerce(dict)
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})
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def get_service(hass, config, discovery_info=None):
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"""Get the AWS Lambda notification service."""
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context_str = json.dumps({'hass': hass.config.as_dict(),
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'custom': config[CONF_CONTEXT]}, cls=JSONEncoder)
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context_b64 = base64.b64encode(context_str.encode('utf-8'))
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context = context_b64.decode('utf-8')
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import boto3
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aws_config = config.copy()
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del aws_config[CONF_PLATFORM]
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del aws_config[CONF_NAME]
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del aws_config[CONF_CONTEXT]
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profile = aws_config.get(CONF_PROFILE_NAME)
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if profile is not None:
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boto3.setup_default_session(profile_name=profile)
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del aws_config[CONF_PROFILE_NAME]
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lambda_client = boto3.client("lambda", **aws_config)
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return AWSLambda(lambda_client, context)
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class AWSLambda(BaseNotificationService):
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"""Implement the notification service for the AWS Lambda service."""
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def __init__(self, lambda_client, context):
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"""Initialize the service."""
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self.client = lambda_client
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self.context = context
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def send_message(self, message="", **kwargs):
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"""Send notification to specified LAMBDA ARN."""
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targets = kwargs.get(ATTR_TARGET)
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if not targets:
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_LOGGER.info("At least 1 target is required")
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return
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for target in targets:
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cleaned_kwargs = dict((k, v) for k, v in kwargs.items() if v)
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payload = {"message": message}
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payload.update(cleaned_kwargs)
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self.client.invoke(FunctionName=target,
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Payload=json.dumps(payload),
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ClientContext=self.context)
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