https://bugs.documentfoundation.org/show_bug.cgi?id=101809
Bug ID: 101809
Summary: Collabora Online Development Edition docker image DNS
fault causes 20 second delay
Product: LibreOffice Online
Version: unspecified
Hardware: All
OS: Linux (All)
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: LibreOffice
Assignee: libreoffice-bugs@lists.freedesktop.org
Reporter: d...@wiz.net.au
We have been using Collabora Online Development Edition docker image along with
Nextcloud and users have been reporting back that there is an annoying 20
second delay every time a document is opened.
by running tcpdump on the docker0 interface we can see that the docker image is
trying to make DNS lookup requests to 192.168.65.1 (in the first docker image
release) and 192.168.100.1 in the most current docker image).
upon investigation we found these values to be hard coded into
/opt/lool/systemplate/etc/resolv.conf
docker automatically updates the /etc/resolv.conf (by way of a mount into the
container) but has no knowledge of this other resolv.conf which from what I
understand is some sort of chroot style environment for running documents.
we have a workaround which has been discussed here:
https://help.nextcloud.com/t/collabora-connecting-delay-for-20-seconds/1881/53
essentially what we have done is to symbolically link
/opt/lool/systemplate/etc/resolv.conf to /etc/resolv.conf and things work well.
new users are finding this a challenge to deal with as they don't have the
ability to modify docker images easily. it also detracts from the whole "docker
as a container" solution anyhow once post-remediation is required.
could someone please address this issue, either by implementing the solution we
have come up with, or by integrating something similar so the hardcoded values
in /opt/lool/systemplate/etc/resolv.conf are not being used.
cheers, wizdude.
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