We had two versions of varnish in buster-wikimedia: 6.0.8-1wm2 in `component/varnish6`, and 6.0.8-1wm1 in `main`. Four new cache hosts, cp[4033-4036], were installed on Friday October 29 (T290694), and at that point `component/varnish6` already had 6.0.8-1wm2 having been uploaded on [[ https://wikitech.wikimedia.org/wiki/Server_Admin_Log/Archive_46 |
October 26 ]]. However, the newly imaged hosts are currently running 6.0.8-1wm1, while I would have expected them to have 6.0.8-1wm2 instead.
We install all relevant packages with the following in `profile::cache::varnish::frontend`
```
apt::package_from_component { 'varnish':
component => $packages_component,
packages => $packages,
before => Mount['/var/lib/varnish'],
}
```
`$packages_component` is `component/varnish6`, so my suspicion is that either: (1) we install varnish somewhere else than the above, or (2) there's a bug in `apt::package_from_component`.