sondehub-infra/sqs-to-elk/lambda_function.py
2021-05-20 18:43:50 +10:00

52 lines
1.7 KiB
Python

import json
from botocore.awsrequest import AWSRequest
from botocore.endpoint import URLLib3Session
from botocore.auth import SigV4Auth
import boto3
import botocore.credentials
import os
HOST = os.getenv("ES")
def es_request(payload, path, method):
# get aws creds
session = boto3.Session()
headers = {"Host": HOST, "Content-Type": "application/json"}
request = AWSRequest(
method="POST", url=f"https://{HOST}/{path}", data=payload, headers=headers
)
SigV4Auth(boto3.Session().get_credentials(), "es", "us-east-1").add_auth(request)
session = URLLib3Session()
r = session.send(request.prepare())
return json.loads(r.text)
def lambda_handler(event, context):
payloads = {}
for record in event['Records']:
sns_message = json.loads(record["body"])
payload = json.loads(sns_message["Message"])
index = payload['datetime'][:7]
if index not in payloads: # create index if not exists
payloads[index] = []
payloads[index].append(payload)
for index in payloads:
body=""
for payload in payloads[index]:
body += "{\"index\":{}}\n" + json.dumps(payload) + "\n"
body += "\n"
result = es_request(body, f"telm-{index}/_doc/_bulk", "POST")
if 'errors' in result and result['errors'] == True:
error_types = [x['index']['error']['type'] for x in result['items'] if 'error' in x['index']] # get all the error types
error_types = [a for a in error_types if a != 'mapper_parsing_exception'] # filter out mapper failures since they will never succeed
if error_types:
print(event)
print(result)
raise RuntimeError