@Jason: What seb128 was asking is that you said "related issue is bug
1508697", but 1508697 is *this* bug. I. e comment #1 refers to itself.
I haven't investigated this much yet, but it seems two things are
competing here:
* /usr/lib/tmpfiles.d/dbus.conf will create the /var/lib/dbus/machine-
id symlink to /etc/machine-id. I. e. this would happen on "first boot"
*if* /var/lib/dbus/machine-id does not exist yet. This is what happens
if you install from a desktop CD: livecd-rootfs removes machine-id from
the image, so the first boot goes through that tmpfiles.d snippet and
creates the symlink.
* If you install server, that actually apt-get installs stuff including
dbus. dbus.postinst calls "dbus-uuidgen --ensure" which according to
NEWS
• in "dbus-uuidgen --ensure", try to copy systemd's /etc/machine-id
to /var/lib/dbus/machine-id instead of generating an entirely new ID
(fd.o #77941, Simon McVittie)
So I think this fully explains the behaviour. I think what's right here
is to change dbus-uuidgen --ensure to symlink /etc/machine-id instead of
copying it. Simon, WDYT? After all, tools must already get along with a
symlink due to the tmpfiles.d, and we are moving towards directly
reading /etc/machine-id anyway, right?
** Summary changed:
- Wily: /var/lib/dbus/machine-id is symlink on desktop, file on server
+ dbus-uuidgen --ensure: Symlink instead of copy existing /etc/machine-id
** Changed in: dbus (Ubuntu)
Status: New => Triaged
** Changed in: dbus (Ubuntu)
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/1508697
Title:
dbus-uuidgen --ensure: Symlink instead of copy existing /etc/machine-
id
Status in dbus package in Ubuntu:
Triaged
Bug description:
If you do a Wily desktop install, /var/lib/dbus/machine-id is a
symlink to /etc/machine-id.
If you do a Wily server install, /var/lib/dbus/machine-id is a file
containing the same value as /etc/machine-id.
Minor issue, but still a weird inconsistency between Ubuntu desktop
and server.
Thanks!
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