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NGSI and CartoDB integration

asked 2016-10-21 14:36:36 +0200

ichulani gravatar image

updated 2016-10-21 14:41:36 +0200

When searching about NGSI and CartoDB integration, I came across three different components:

  • an NGSI connector to CartoDB: ("https://github.com/telefonicaid/fiware-orion2cartodb")

  • A CartoDB backend for Cygnus: ("http://fiware-cygnus.readthedocs.io/en/latest/cygnus-common/backendscatalogue/cartodbbackend/index.html")

  • An NGSI CartoDB sink: ("http://fiware-cygnus.readthedocs.io/en/latest/cygnus-ngsi/flumeextensionscatalogue/ngsicartodbsink/index.html")

Which component is used in which case? Are they used together? or separately for different cases? etc..

And are they used for live NGSI data as well as historic data? or one of the two only?

Thanks in advance for any clarifications.

ilknur

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answered 2016-10-24 11:10:37 +0200

jmcantera gravatar image

https://github.com/telefonicaid/fiwar... has been depreciated in favour of the Cygnus CartoDB connector described by Paco. So please only use Cygnus when integrating CartoDB with NGSI datasources.

thanks!

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answered 2016-10-24 11:04:50 +0200

frb gravatar image

updated 2016-10-24 11:06:14 +0200

AFAIK, the first option ("orion2cartodb") is a preliminary work done for a demo, which is not part of Cygnus.

Regarding Cygnus, first of all must be said from Cygnus 1.0.0 an important refactor was done: the code was split into cygnus-common, a suit of common classes and utilities for all kind of Cygnus agents; and cygnus-ngsi, containing the NGSI specific part of Cygnus, and known as "NGSI Cygnus agent". Other Cygnus agents can be added to Cygnus, such as "Twitter Cygnus agent", developed by Universidad Politécnica de Valencia; this Twitter agent uses cygnus-common as well.

Being said that, from Cygnus 1.0.0 a sink for CartoDB was included in cygnus-ngsi agent. This sink works as any other sink, i.e. it can be used in any cygnus-ngsi agent following the Apache Flume architecture. You can check for its documentation here.

And within cygnus-common, you can find CartoDB backend classes, a set of utility classes available for all Cygnus agents; CartoDB sink within cygnus-ngsi uses it.

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Asked: 2016-10-21 14:36:36 +0200

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Last updated: Oct 24 '16