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From purna pradeep <purna2prad...@gmail.com>
Subject S3keysonsor
Date Mon, 21 May 2018 17:16:08 GMT
Hi ,

I’m trying to evaluate airflow to see if it suits my needs.

Basically i can have below steps in a DAG



1)Look for a file arrival on given s3 location (this path is not completely
static) (i can use S3Keysensor in this step)

  i should be able to specify to look either for latest folder or 24hrs or
n number of days older folder which has _SUCCESS file as mentioned below

  sample file location(s):

  s3a://mybucket/20180425_111447_data1/_SUCCESS

  s3a://mybucket/20180424_111241_data1/_SUCCESS

  s3a://mybucket/20180424_111035_data1/_SUCCESS



2)invoke a simple restapi using HttpSimpleOperator once the above
dependency is met ,i can set upstream for step2 as step1



Does S3keysensor supports step1 out of the box?

Also in some cases i may to have a DAG without start date & end date it
just needs to be triggered once file is available in a given s3 location



 *Please suggest !*

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