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Questions tagged [fiware]

FIWARE is an open cloud-based infrastructure for creation and delivery of Internet applications and services.

FIWARE API specifications are public and royalty-free, driven by the development of an open source reference implementation which accelerates the availability of products and services.

Creation of a sustainable innovation ecosystem around FIWARE is materialized through FIWARE Lab, a working instance of FIWARE enabling free experimentation with the technology.

1279 questions
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Can I send a notification in the creation and deletion of an entity?

I want to be notified when an entity is created or deleted. Does Orion support subscribing to the creation and deletion of entities?
pasquy73
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Disable Auto-provisioning of Devices in Fiware MQTT JSON IoT Agent

We are using FIWARE Orion NGSI V2 version and MQTT JSON IoT Agent. We have attached the version of Context Broker and IoT Agent we are using below. By default, whenever we send telemetry data through MQTT broker, for a device which does not exist in…
Kavipriya M
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How to create different record for every update in FIWARE-STH Comet?

I just started using FIWARE and I'm having trouble with the data I want to persist on MongoDB. I want to use STH Comet in minimal mode. I am using a Python script that creates my context data with a specific id and then updates certain attributes of…
YamcoTheGreat
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FIWARE orion: command messages to devices are dropped

I am running an orion docker container for quite some time "orion": { "version": "3.2.0", "uptime": "21 d, 2 h, 19 m, 16 s", ...} together with (not limited to) mongo 4.2.2,, iota-json 1.19.0 and some mosquitto broker (based on 2.11). I have…
sblechmann
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Orion use https in the provider url setting of the registration API?

https can be used in the notification url setting of the subscription. https://fiware-orion.readthedocs.io/en/master/user/security/index.html#https-notifications However, I couldn't find in the documentation if https can be used in the provider url…
A.p
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Connect system which includes OPC UA IoT Agent, Orion Context Broker. Cygnus and Historic data with Postgres

I am trying to set up a system to save historic data with the flow like this: Prosys OPC-UA Server Simulation -> OPC-UA FIWARE IoT Agent -> Orion Context Broker -> FIWARE Cygnus Connector -> PostgreSQL database. Here is the document I used to…
Navurt
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Fiware Orion Broker and Database Connectivity

We are using MongoDB for our on-premise environment. When would Orion officially support AWS DocumentDB Would Orion drop MongoDB after supporting DocumentDb or support both in future. These questions came up after seeing the few related…
Pradumn
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Which are the differences of NGSI-LD and JSON-LD?

In Fiware tutorials I read that NGSI-LD is not 100% JSON-LD. Can you explain me which are the differences?
Apostolos Lazidis
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IoT-Agent checks default attributes that are not in the iot payload

I have a test environment where I have configured a service group for the JSON IoT Agent with a legacy expression in it: { "_id": "60acc2d549e4721ae5087356", "__v": 0, "iotagent": "http://10.0.0.2:4062", …
Daniel Villalba
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Connect Fiware IoT Agent to sharded MongoDB

I am using to following docker-compose file to setup my sharded MongoDB which has 3 shards, 3 config servers and 2 router instances: version: "3.5" services: mongorsn1: container_name: mongors1n1 hostname: mongors1n1 image: mongo …
Yannick
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Cygnus: Unable to deliver event. close() called when transaction is OPEN - you must either commit or rollback first

I've installed Fiware Orion (v 1.13.0), Fiware Cygnus (2.8.0) and Kafka in order to send data from Orion to Kafka via Cygnus. I've used the conf file suggested in the cygnus documentation cygnus-ngsi.sources =http-source cygnus-ngsi.sinks…
FilippoG
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Is Orion compatible with AWS DocumentDB

I am trying to connect Orion with AWS DocumentDB but it's not getting connected. However I tried two other FIWARE components IoTAgent and Sth-Comet with DocumentDB and both are working fine. Same hostname and credential are working for IoTAgent and…
Avkash
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Does FIWARE Cygnus have any issue with space usage?

I'm using some FIWARE components (Orion 2.4.0-bext and Cygnus 2.3.0). Also I'm using mongoDB (version 3.6) for current context information and MySQL (version 5.7) for saving historical changes using Cygnus. All component are dockerized, each one on…
David N. Campo
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No substitution in httpCustom payload

I would like to make a httpCustom payload in OCB but no replace info properly. I think i have tested all the ways i know but no results, someone who could help me. This is my code: "notification": { "httpCustom": { "url":…
José Checa Claudel
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Orion VM rebooting

I installed and started Orion Context Broker (version 2.2.0) on Centos 7 OS with these commands: $ sudo wget -P /etc/yum.repos.d/ https://nexus.lab.fiware.org/repository/raw/public/repositories/el/7/x86_64/fiware-release.repo $ sudo yum -y install…
pasquy73
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