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group s3 puts #3

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53 changes: 44 additions & 9 deletions python2.7/kinesis_stream_put_to_s3_athena_partitioning.py
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@

S3_BUCKET = os.environ['S3_BUCKET']
S3_PATH = os.environ['S3_PATH']
DEBUG = os.environ['DEBUG']

print('Loading function')

Expand All @@ -17,21 +18,55 @@ def lambda_handler(event, context):
#s3 client init
s3 = boto3.client('s3')


i=-1
ii=-1
s3Puts = 0

lastDate = None
thisDate = None
dataToPut = ''
recordsCount=0
records = []

for record in event['Records']:
# Kinesis data is base64 encoded so decode here
str_payload = base64.b64decode(record['kinesis']['data'])
recordsCount+=1
json_payload = json.loads(base64.b64decode(record['kinesis']['data']))
records.append(json_payload)

records = sorted(records, key=lambda x: int(x['d']['sec']))

json_payload = json.loads(str_payload)
for json_payload in records:
i+=1
ii+=1


str_payload = json.dumps(json_payload)
date = datetime.fromtimestamp(json_payload['d']['sec'])

filePath = S3_PATH + "/year=" + str(date.year) + "/month=" + str(date.month) + "/day=" + str(date.day) + "/hour=" + str(date.hour) + "/minute=" + str(date.minute) + "/" + str(json_payload['d']['sec']) + "_" + str(json_payload['_id']) + ".json"

#print("path: " + filePath)

s3.put_object(ContentType="application/json", Bucket=S3_BUCKET, Key=filePath, Body=str_payload)
thisDate = str(date.year) + str(date.month) + str(date.day) + str(date.hour) + str(date.minute)

if(i==recordsCount or (lastDate!=None and thisDate!=lastDate)):
#if is the last iteration OR this date is not in the same minute of the last record but is not the fisrt iteration
filePath = S3_PATH + "/" + "year=" + str(date.year) + "/month=" + str(date.month) + "/day=" + str(date.day) + "/hour=" + str(date.hour) + "/minute=" + str(date.minute) + "/" + str(json_payload['d']['sec']) + "_" + str(json_payload['_id']) + ".json"

if(DEBUG):
print("path: " + filePath)
print("data: " + dataToPut)
print("\n")

r = s3.put_object(ContentType="application/json", Bucket=S3_BUCKET, Key=filePath, Body=dataToPut)
s3Puts+=1
dataToPut = ''
ii=0

return 'Successfully processed {} records.'.format(len(event['Records']))

if(ii!=0):
str_payload = '\n' + str_payload

dataToPut = dataToPut + str_payload

lastDate = thisDate

return 'Successfully processed {} records. {} put to S3.'.format(recordsCount).s3Puts