mirror checker returns existing image but image is 404

Bug #1867649 reported by Toto Bille
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Launchpad itself
In Progress
High
Thiago F. Pappacena

Bug Description

# Actual behavior:

it seems some of the mirrors are 404ing:
- http://repo.ialab.dsu.edu/ubuntu-releases/19.10/ubuntu-19.10-desktop-amd64.iso
- https://mirrors.edge.kernel.org/ubuntu-releases/19.10/ubuntu-19.10-desktop-amd64.iso

Those mirrors still appear in the mirrors list ( http://launchpad.net/ubuntu/+cdmirrors-rss ).

The bug is that: https://launchpadlibrarian.net/469053583/repo.ialab.dsu.edu-release-probe-logfile.txt shows that the images are well hosted.

But when accessing the link http://repo.ialab.dsu.edu/ubuntu-releases/ it 404s

# Expected behavior:

The mirrors without any image shouldn't appear in the mirrors list ( http://launchpad.net/ubuntu/+cdmirrors-rss )

# Some Context

This mirror list is used in ubuntu.com to dispatch the downloads of the images so they don't all point to our infrastructure. This will affect the users that are trying to download ubuntu's images.
For now the mirror list has been disabled on the site since we got a few reports of missing images from external users. This means that all the traffic is currently pointing at our infrastructure.

This is the pull request that removed on our side the mirror list: https://github.com/canonical-web-and-design/ubuntu.com/pull/7012

Related branches

Toto Bille (tbmb)
description: updated
description: updated
Changed in launchpad:
assignee: nobody → Thiago F. Pappacena (pappacena)
Revision history for this message
Thiago F. Pappacena (pappacena) wrote :

Is it possible that the mirror was working 2 days ago (when the logs reported that all images were found for some series)?

I'm checking the code here, but I couldn't spot anything obviously wrong. Maybe the info is just outdated. If that's the case, we might just need to re-run the mirror checking and make it run more frequently.

Revision history for this message
Thiago F. Pappacena (pappacena) wrote :

The mirror is no longer available now on RSS, nor in the https://launchpad.net/ubuntu/+cdmirrors page. It seems that its availability was just outdated.

I'm checking the possibility for us to run this mirror checks more frequently, to avoid it being in an invalid state for so long.

Changed in launchpad:
status: New → In Progress
importance: Undecided → High
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