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Commit Graph

16 Commits

Author SHA1 Message Date
Marc-André Lureau
b0baafe92c qemu-conf: add configurable slirp-helper location
A slirp helper is a process that provides user-mode networking through
a unix domain socket. It is expected to follow the following
specification:
https://gitlab.freedesktop.org/slirp/libslirp-rs/blob/master/src/bin/README.rst

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2019-09-06 12:47:47 +02:00
Andrea Bolognani
9d7b9cf166 Fix spelling for macOS
Though it used to be called "Mac OS X" and "OS X" in the past,
it was never "MacOS X" nor "OS-X", and it's just "macOS" now.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
2019-04-15 11:09:10 +02:00
Ján Tomko
105756660f build: require yajl >= 2.0.3
The pkg-config file was introduced by commit b729ded which was released
in yajl 2.0.3.

Since all our supported platforms include at least yajl 2.0.4,
use pkg-config to detect the library and set the minimum to 2.0.3.

https://repology.org/project/yajl/versions

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2019-04-03 13:30:47 +02:00
Andrea Bolognani
e5e23e3fb9 m4: Add warning when running QEMU as root
Running QEMU as root is a pretty bad idea, so try to make the
user aware of that as part of the configure summary.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2019-03-26 18:30:26 +01:00
Andrea Bolognani
29cd1877ac m4: Run QEMU under a distro-specific user when possible
Our current defaults are root:wheel on FreeBSD and macOS, root:root
everywhere else.

Looking at what downstream distributions actually do, we can see that
these defaults are overriden the vast majority of the time, with a
number of variations showing up in the wild:

  * qemu:qemu -> Used by CentOS, Fedora, Gentoo, OpenSUSE, RHEL
                 and... As it turns out, our very own spec file :)

  * libvirt-qemu:libvirt-qemu -> Used by Debian.

  * libvirt-qemu:kvm -> Used by Ubuntu.

  * nobody:nobody -> Used by Arch Linux.

Based on this information, we can do a better job at integrating with
downstream packages: if the distro-specific user and group already
exist on the system then we use them, and if not (or we're building
on an unknown OS) we just use root:root as we would have before.

This change makes it less likely that people building from source
will end up running their guests as root, which is a very desiderable
outcome from the security point of view.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2019-03-26 18:30:24 +01:00
Michal Privoznik
2a00ef6e71 virt-driver-qemu.m4: Require YAJL
There is no way that qemu driver can work without being able to
format/parse JSON.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2019-03-14 17:27:56 +01:00
Michal Privoznik
5f2adfab59 virt-driver-qemu.m4: Make qemu driver optional
The basic idea of our configure script is to probe for things
rather than have them enabled by default. This is even more
visible in the next commit where configure fails if qemu driver
is enabled but no yajl is found.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
2019-03-14 17:27:49 +01:00
Ján Tomko
5a58b5ed68 Revert "build: switch --with-qemu default from yes to check"
This reverts commit c5ae8e0c2b.

Jansson cannot parse QEMU's quirky JSON.
Revert back to yajl.

https://bugzilla.redhat.com/show_bug.cgi?id=1614569

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2018-08-13 15:50:01 +02:00
Ján Tomko
f204cf5103 Revert "build: require Jansson if QEMU driver is enabled"
This reverts commit 01ce04375c.

Jansson cannot parse QEMU's quirky JSON.
Revert back to yajl.

https://bugzilla.redhat.com/show_bug.cgi?id=1614569

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2018-08-13 15:50:01 +02:00
Ján Tomko
01ce04375c build: require Jansson if QEMU driver is enabled
If the QEMU driver was requested, require Jansson, since we need to use
the JSON monitor to probe capabilities for all QEMU version supported
by libvirt.

Signed-off-by: Ján Tomko <jtomko@redhat.com>
2018-07-18 17:54:18 +02:00
Ján Tomko
c5ae8e0c2b build: switch --with-qemu default from yes to check
Unless explicitly requested, enable the QEMU driver
only if the Jansson library is present.

Signed-off-by: Ján Tomko <jtomko@redhat.com>
2018-07-18 17:54:18 +02:00
Michal Privoznik
8be74af168 qemu: Introduce pr_helper to qemu.conf
Just like we allow users overriding path to bridge-helper
detected at compile time we can allow them to override path to
qemu-pr-helper.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
2018-05-11 09:02:56 +02:00
Andrea Bolognani
e64f2fab92 m4/virt-arg: Rename LIBVIRT_ARG_WITH* macros
LIBVIRT_ARG_WITH_ALT is more generic than LIBVIRT_ARG_WITH, which
is tailored at switching features on and off.

Rename the macros according to their intended purpose, and add
some documentation to help developers pick between the two.
2016-12-22 15:20:05 +01:00
Pavel Hrdina
68649d1007 configure: move qemu bridge helper check to qemu driver file
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
2016-12-21 15:39:41 +01:00
Pavel Hrdina
3138d6993e configure: move qemu privileges check to qemu driver file
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
2016-12-21 15:39:41 +01:00
Pavel Hrdina
32af9539a3 configure: move QEMU driver check to its own file
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
2016-12-21 15:39:41 +01:00