Scaleway Elements IoT Hub Routes

Route Overview

Hub Routes bring Scaleway’s ecosystem to IoT Hub !

Currently you can store messages in an «Object Storage» bucket.

«Object Storage» Route

Overview

«Object storage» is an Object Storage service provided by Scaleway and based on the S3 protocol.

«Object Storage» Route purpose is to store specific messages (published on a given topic) in a bucket. You need to create your «Object Storage» bucket before creating the Route.

Messages store strategies

There are two distinct strategies for storing messages

Per Topic

Messages published on the same topic are stored in the same object (the last message overwriting the previous ones). The object name is composed of the prefix you choosed and the topic name.

eg publishing to ‘hello/world’ will create ‘s3://my-bucket/my-prefix/hello/world’ object.

Per Message

Each published message is stored in a distinct object. The object name is composed of the prefix you chose, the topic name and the timestamp the message is received on the route.

eg publishing to ‘hello/world’ will create a ‘s3://my-bucket/my-prefix/hello/world/2006-01-02T15:04:05.999999999Z’ object.

Permissions

When you create an «Object Storage» Route through the Scaleway console, selected bucket’s write permission is automatically granted to the IoT platform. But if you create the route using Scaleway’s API (or Scaleway’s CLI), you will have to grant us write access:

> s3cmd setacl s3://<my-bucket> --acl-grant=write:555c69c3-87d0-4bf8-80f1-99a2f757d031:555c69c3-87d0-4bf8-80f1-99a2f757d031

How to create a «Object Storage» Route

Once you have created a Hub, you can add «Object Storage» Routes to it.

1 . Click Create a Route in the Routes tab of your Hub.

2 . Enter a name for your Route.

3 . Enter the topic filter you want your route to subscribe to. This topic filter can contains wildcards (+ and #).

4 . Choose Object Storage as Route type.

5 . Select the region of your Object Storage bucket.

6 . Choose the bucket you want to store messages in (you cannot directly create a bucket from the «Object Storage» Route screen).

7 . Enter the prefix that will be prepended to object names.

8 . Select how your messages will be stored in the bucket (per topic or per message).

How to delete an «Object Storage» Route

In the Routes tab of your Hub, use the “…” button in the route list or use multi select.

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