How to use aws_fota program in nRF9160?

[Yusuke]

I'm trying to use aws_fota, but it doesn't work. Any help?

I was able to set a job on AWS IoT, but the download job doesn't start. The job status is always "in progress". I logged out and logged in and got the same result.

***** Booting Zephyr OS v1.14.99-ncs2 *****
The MQTT AWS Jobs FOTA Sample
LTE Link Connecting ...
LTE Link Connected!
IPv4 Address 0x4980a023
client_id: nrf-352656100218455
[mqtt_evt_handler:131] MQTT client connected!
[mqtt_evt_handler:196] SUBACK packet id: 2112
[mqtt_evt_handler:186] PUBACK packet id: 62996

I use the same region in AWS IoT and S3

I've already checked this thread.
https://devzone.nordicsemi.com/f/nordic-q-a/52039/aws-fota-sample/210098#210098

[Øyvind]

Hello, 

Good to see that the connection is working. 

Can you please provide your AWS Job file as well? And where is the .bin file located?

Thanks!

Kind regards,
Øyvind

[Yusuke]

Thank you for your help!

I'm using Oregon region.

This is a job file

{
  "operation": "app_fw_update",
  "fwversion": "v1.0.2",
  "size": 64300,
  "location": {
    "protocol": "https:",
    "host": "******.s3-us-west-2.amazonaws.com",
    "path": "/20190929_test_update.bin"
   }
}

.bin file is located in S3 in Oregon region.

[sigvartmh]

Is the error consistent? The error seems to originate in download_client looking up the errno code https://github.com/NordicPlayground/nrfxlib/blob/4d3fa41a8ded0808242a3cb3edca3bc29c04e5e3/bsdlib/include/nrf_errno.h#L41 says Network is unreachable, so my assumption has to be that at some point the connection was lost. Also, I would be careful about doing this too many times as it burns a lot of data.

[Yusuke]

https://devzone.nordicsemi.com/f/nordic-q-a/51395/nrf9160-aws-fota-fails-to-load-binary/206167#206167

this may be related to my issue.

I checked a remaining credit of data and I have enough credit.

[Yusuke]

It succeeded once out of around 10 tries.

I feel the program or network is unstable.

[sigvartmh]

It's a combination of both as the program doesn't to handle a connection drop/network connection issues very gracefully in v1.0.0. This is being worked on and will hopefully be fixed in the next release

[Yusuke]

ok. I'll be waiting for next version update.  Please let me know when it happens. Thanks!

[sigvartmh]

Changes for adding retry for dropped connections is in master now github.com/.../38625ba775adda3cdc7dbf516eeb3943c7403227

[Yusuke]

aws_fota works with v1.1.0 of modem fw and v1.1.0 of ntf tag