On Mon, May 25, 2020 at 3:46 AM Sebastian Berlin
<sebastian.berlin@wikimedia.se> wrote:
>
>> ==> default: Exporting NFS shared folders...
>> ==> default: Preparing to edit /etc/exports. Administrator privileges will be required...
>> ==> default: Mounting NFS shared folders...
>> The following SSH command responded with a non-zero exit status.
>> Vagrant assumes that this means the command failed!
>>
>> mount -o vers=3,udp,noatime,rsize=32767,wsize=32767,async 192.168.122.1:/srv/mediawiki-vagrant /vagrant
>>
>> Stdout from the command:
>>
>>
>>
>> Stderr from the command:
>>
>> mount.nfs: mount to NFS server '192.168.122.1:/srv/mediawiki-vagrant' failed: RPC Error: Unable to receive
>
>
> Running vagrant destroy -f && vagrant up doesn't help.
>
> The instance is "wikispeech-wiki-buster" in project "wikispeech". It's using image debian-10.0-buster.

Looking around on wikispeech-wiki-buster.wikispeech.eqiad.wmflabs, I
can see that Vagrant was able to setup the appropriate /etc/exports
entry for the server side of this. We have seen some amount of
instability with NFS & MediaWiki-Vagrant in the past. This time I have
a hunch that the problem was the client (the LXC container that
MediaWiki-Vagrant is managing) trying to mount the share before the
NFS server on the hosting instance was ready. I did `vagrant ssh` to
enter the container followed by `sudo mount -t nfs
192.168.122.1:/srv/mediawiki-vagrant /vagrant` and the share mounted
correctly. I can't guarantee that things will work correctly following
a restart of the LXC container or the hosting instance, but for now it
is working.

Sorry I don't have a more satisfying answer for you. Vagrant + LXC +
NFS can be a bit of a pain.

Bryan
--
Bryan Davis              Technical Engagement      Wikimedia Foundation
Principal Software Engineer                               Boise, ID USA
[[m:User:BDavis_(WMF)]]                                      irc: bd808

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