Thought about it a little more and since the flowfile is json, you could use the EvaluateJsonPath[1] processor to set the attribute.
[1] https://nifi.apache.org/docs/nifi-docs/components/org.apache.nifi.processors.standard.EvaluateJsonPath/ On Sat, Apr 1, 2017 at 4:32 PM Chad Zobrisky <[email protected]> wrote: > Hello, > > You need the index_name field to be a flow file attribute to be able to > use the expression language to set the index name dynamically. > > I do not think there is a processor that currently takes flow file content > and adds it as an attribute, but someone correct me if I am wrong. One way > to do so would be to use the ExecuteScript[1] processor to find the > index_name field in the data and set an attribute "index_name" on the flow > file. Example on how to read in flow file content and set an attribute in > python for the ExceuteScript Processor [2] . > > Then in the ElasticSearch processor you would have access to the > index_name attribute through the expression language, "${index_name}". > > Hope this helps, > Chad > > [1] > https://nifi.apache.org/docs/nifi-docs/components/org.apache.nifi.processors.script.ExecuteScript/ > [2] http://www.nifi.rocks/using-the-executescript-processor/ > > On Fri, Mar 31, 2017 at 2:33 PM shahbazatta <[email protected]> > wrote: > > Hi, > We have dynamic indexes in elastic search like signal-YYYY.MM.DD => (which > resolved as signal-2017.03.31) > I was try hard to find the way to specify the dynamic index in nifi > processor. > I already have a field in my data which i want to use as dynamic index. for > example "index_name". I just wanted to use that data field in the index > parameter of nifi processor. > It might be simple, but i tried hard with different options like > '${index_name}' , "${index_name}" , '${INDEX_NAME}' , $INDEX_NAME , > $index_name > > Can anyone just refer me how to use data field in the nifi's elasticsearch > processor property of index name? > > > > -- > View this message in context: > http://apache-nifi-developer-list.39713.n7.nabble.com/Elasticsearch-dynamic-index-name-from-data-attribute-possible-tp15327.html > Sent from the Apache NiFi Developer List mailing list archive at > Nabble.com. > >
