[solved] AWS IoT integration not connecting to TTN

Application Development AWS
1

I have followed the tutorial for the AWS integration but cannot get the MQTT messages to display in the AWS IoT Core. I assume bridging is not working since I can get the messages in an external client from the TTN MQTT broker.

I have followed the troubleshooting steps but there is nothing at all in the logs (neither in app-1.log nor app-1.error.log). I then used ssh to get into the EC2 instance and tried to manually launch the integration with

/var/app/current/bin/integration-aws run

It then crashed with the following error

  INFO Initializing AWS IoT client              PolicyName=ttn-integration Region=
 FATAL Failed to get AWS IoT endpoint

When setting the AWS_REGION=eu-west-1 environment variable, I get the following error:

  INFO Initializing AWS IoT client              PolicyName=ttn-integration Region=eu-west-1
  INFO Found AWS IoT endpoint                   Endpoint=an3cfmjmy6od4.iot.eu-west-1.amazonaws.com
  INFO Created certificate                      ID=189326ec8e90c8abd0de2eef1fe6eb4a22c05495c49bcfe291860a6b45243acd
 FATAL Failed to attach policy to certificate   Certificate=189326ec8e90c8abd0de2eef1fe6eb4a22c05495c49bcfe291860a6b45243acd Policy=ttn-integration error=ResourceNotFoundException: Policy not found
        status code: 404, request id: ff8df0e8-56f1-11e9-9368-e107e49fac68

I assume there is some sort of configuration file missing but I cannot seem to find anything that mentions such a file.

  • Does such a file exist?
  • Is there anything else causing this behavior?
2

I contacted Johan from The Things Industries about this and it appears it was a bug in the integration, which got fixed later that day.

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