This commit refactors the freebsd networking to:
1. Use predictable network naming
2. Properly handle DHCP vs static networks on up and reload [GH-5852]
3. Perform all networking configuration in a single command to prevent
partial configuration.
This fixes a fairly large tempfile leak. Vagrant uses a template
renderer to write network configuration files locally to disk. Then,
that temporarily file is uploaded to the remote host and moved into
place. Since Vagrant is such a short-lived process, GC never came along
and cleaned up those tempfiles, resulting in many temporary files being
created through regular Vagrant usage.
The Util::Tempfile class uses a block to ensure the temporary file is
deleted when the block finishes. This API required small tweaks to the
usage, but provides more safety to ensure the files are deleted.
Sed on freebsd seems to be mores strict than on other
platforms about use of -i: the extension is not optional.
Signed-off-by: Michael Adam <obnox@samba.org>
When using pty=true, removing files using sudo may request confirmation,
which will hang the connection.
Similarly, sometimes assumptions about file existence may be wrong and
in those cases it seems better to continue on as long as the file does
not exist, so -f makes sense there, too.
https://github.com/mitchellh/vagrant/issues/4307
Fix details:
Pass network interface name to template renderer and use it
in static and dhcp templates to render /etc/rc.conf entries.
modified: plugins/guests/freebsd/cap/configure_networks.rb
modified: templates/guests/freebsd/network_dhcp.erb
modified: templates/guests/freebsd/network_static.erb
Verification scenario:
Check if /etc/rc.conf contains vtnet entries when paravirtualized
NIC devices are used in FreeBSD guest.
Run remote rsync as root to guarantee that rsync can write to guestpath.
This obviates the need to chown the guestpath to the SSH user prior to
sync.
This brings a substantial speedup (2x on a moderately-sized shared
folder) and properly triggers filesystem notifications on only the files
changed by a given sync.
Chris Roberts
Seth Vargo
Andres Montalban
Jose Luis Duran
Peter Souter
Michael Adam
Michael Dwyer
Mitchell Hashimoto
Matthias Breddin
Leo Simons
Kostyantyn Fomin
Calvin Hendryx-Parker
Kalman Hazins
Trey Hyde
Teemu Matilainen
Nikhil Benesch
Doug Stevenson