Blueprint changed by Robie Basak: Whiteboard changed: Etherpad: http://pad.ubuntu.com/uds-q-servercloud-q-apt-improvements Blueprint: https://blueprints.launchpad.net/ubuntu/+spec/servercloud-q-apt-improvements Proposed spec: https://wiki.ubuntu.com/AptByHash Discussion: https://lists.ubuntu.com/archives/ubuntu-devel/2012-July/035487.html = User Stories = * Jim is using JuJu, and adds a node. He does not want to see apt fail due to a race condition. * Marley is using the Ubuntu installer for network based installs against a local mirror that is updated from a remote mirror. He does not want installs to fail due to the mirror being updated. * Sally wants to use a http proxy to cache deb downloads and does not want to be vulnerable to caching mismatched files that would cause apt failures. = Assumptions = None = Test Plans = Test will be conducted in 2 ways: a.) implied test: much of our automated infrastructure relies on apt and previously failed quite commonly due to apt. These errors should be erased. b.) explicit test: we should ideally have some canary that would ensure our public mirrors do not fail. One example starting point is [1] [1] https://code.launchpad.net/~smoser/+junk/check-archive/ = Release Note = Ubuntu's public mirrors now contain an improved archive format. Coupled with updates to apt transient apt-update errors are a thing of the past. + + Note: feature freeze is upon us, and I think this work is too invasive + for an FFe. My priorities mean that I can't work on this for the next + few weeks, so it looks like this will have to slip to R.
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