** Description changed:
+ [Impact]
+
Our installer-based images (those touched by debian-cd) get a .disk/info
file written on the rootfs that contains useful information such as the
build timestamp. We do not have anything like that available for our u-i
images, while for preinstalled images sometimes it is very important to
know from which batch of images the given one comes.
+
+ We have decided that this will be very useful to have for our 18.04.4
+ images.
+
+ [Test Case]
+
+ For ubuntu-image changes:
+
+ Build a classic bionic image with something like:
+ ubuntu-image classic -d -p ubuntu-cpc -O out/ -s bionic --cloud-init
user-data --disk-info disk-info-file path/to/gadget/prime
+ Boot up the image on kvm, check if /.disk/info is populated.
+
+ For all the changes:
+
+ Build a new classic bionic image via cdimage (raspi3 for instance). Boot
+ it up (or mount it) and confirm that /.disk/info has the corresponding
+ datestamp serial number in it.
+
+ [Regression Potential]
+
+ Besides classic images failing to build on cdimage, I don't think
+ there's any other scenario I can think of. Any regression would most
+ likely cause a build failure.
** Also affects: ubuntu-image (Ubuntu)
Importance: Undecided
Status: New
** Description changed:
[Impact]
Our installer-based images (those touched by debian-cd) get a .disk/info
file written on the rootfs that contains useful information such as the
build timestamp. We do not have anything like that available for our u-i
images, while for preinstalled images sometimes it is very important to
know from which batch of images the given one comes.
We have decided that this will be very useful to have for our 18.04.4
images.
[Test Case]
For ubuntu-image changes:
Build a classic bionic image with something like:
ubuntu-image classic -d -p ubuntu-cpc -O out/ -s bionic --cloud-init
user-data --disk-info disk-info-file path/to/gadget/prime
Boot up the image on kvm, check if /.disk/info is populated.
For all the changes:
Build a new classic bionic image via cdimage (raspi3 for instance). Boot
it up (or mount it) and confirm that /.disk/info has the corresponding
datestamp serial number in it.
[Regression Potential]
Besides classic images failing to build on cdimage, I don't think
there's any other scenario I can think of. Any regression would most
likely cause a build failure.
+
+ [Other SRU Info]
+
+ I am submitting a bionic ubuntu-image SRU without releasing the same
+ changes for focal as I was originally planning to release this feature
+ as part of 1.9. The exact same changes are landed in master, and will be
+ released with 1.9 when it's ready, so there's certainty that it will not
+ be missed. I didn't feel like doing another intermediate release for
+ focal is strictly required - but I can do so if someone requires it.
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https://bugs.launchpad.net/bugs/1856684
Title:
Populate .disk/info in ubuntu-image built images
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