Comment 1 for bug 1475753

I delete my merge proposal as the os field has been added to the cloud image simplestream which we inherit

$ curl -s http://cloud-images.ubuntu.com/daily/streams/v1/com.ubuntu.cloud:daily:download.json | grep -c '"release"'
37
$ curl -s http://cloud-images.ubuntu.com/daily/streams/v1/com.ubuntu.cloud:daily:download.json | grep -c '"os"'
37

The os field has started to propagate into the daily simplestream although not all products have the os field

$ curl -s http://maas.ubuntu.com/images/ephemeral-v2/daily/streams/v1/com.ubuntu.maas:daily:v2:download.json | grep -c '"release"'
58
$ curl -s http://maas.ubuntu.com/images/ephemeral-v2/daily/streams/v1/com.ubuntu.maas:daily:v2:download.json | grep -c '"os"'
27

The releases simplestream still does not have the os field at all

$ curl -s http://maas.ubuntu.com/images/ephemeral-v2/releases/streams/v1/com.ubuntu.maas:v2:download.json | grep -c '"os"'
0