[libvirt] [PATCH 0/8] Second take on slirp-helper & dbus-vmstate

marcandre.lureau@redhat.com posted 8 patches 1 week ago
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git fetch https://github.com/patchew-project/libvirt tags/patchew/20200114134646.3317599-1-marcandre.lureau@redhat.com
m4/virt-driver-qemu.m4             |   6 +
src/qemu/Makefile.inc.am           |   6 +-
src/qemu/libvirtd_qemu.aug         |   1 +
src/qemu/qemu.conf                 |   3 +
src/qemu/qemu_alias.c              |  17 +-
src/qemu/qemu_alias.h              |   3 +-
src/qemu/qemu_command.c            |  65 +++----
src/qemu/qemu_command.h            |   6 +-
src/qemu/qemu_conf.c               |   9 +
src/qemu/qemu_conf.h               |   2 +
src/qemu/qemu_dbus.c               | 283 +++++++++++++++++++++++++----
src/qemu/qemu_dbus.h               |  30 +--
src/qemu/qemu_domain.c             |  30 +--
src/qemu/qemu_domain.h             |   9 +-
src/qemu/qemu_extdevice.c          |   4 +-
src/qemu/qemu_hotplug.c            | 165 +++++++++--------
src/qemu/qemu_hotplug.h            |  17 +-
src/qemu/qemu_migration.c          |  57 +++++-
src/qemu/qemu_monitor.c            |  21 +++
src/qemu/qemu_monitor.h            |   3 +
src/qemu/qemu_monitor_json.c       |  15 ++
src/qemu/qemu_monitor_json.h       |   5 +
src/qemu/qemu_process.c            |   6 +
src/qemu/qemu_slirp.c              | 126 ++-----------
src/qemu/qemu_slirp.h              |   4 +-
src/qemu/test_libvirtd_qemu.aug.in |   1 +
tests/Makefile.am                  |   1 +
27 files changed, 564 insertions(+), 331 deletions(-)

[libvirt] [PATCH 0/8] Second take on slirp-helper & dbus-vmstate

Posted by marcandre.lureau@redhat.com 1 week ago
From: Marc-André Lureau <marcandre.lureau@redhat.com>

Hi,

The series "[libvirt] [PATCH v2 00/23] Use a slirp helper process" has
been merged and partially reverted. Meanwhile, qemu dbus-vmstate
design has been changed and merged upstream.

This new series fixes the slirp-helper support. The significant change
is that dbus-vmstate now requires a bus (instead of the earlier
peer-to-peer connection). The current series doesn't attempt to
enforce strict policies on the bus. As long as you can connect to the
bus, you can send/receive from/to anyone. A follow-up series should
implement the recommendations from
https://qemu.readthedocs.io/en/latest/interop/dbus.html#security.

The libslirp-rs slirp-helper hasn't yet received an official release.
For testing, you may:
$ cargo install --features=all --git https://gitlab.freedesktop.org/slirp/libslirp-rs

The resulting binary should be ~/.cargo/bin/slirp-helper, so qemu.conf
slirp_helper location should be adjusted. With that in place, a VM
with user networking (slirp) should now start with the helper process.

thanks

Marc-André Lureau (8):
  qemu: remove dbus-vmstate code
  qemu-conf: add configurable dbus-daemon location
  qemu-conf: add dbusStateDir
  qemu: add a DBus daemon helper unit
  domain: save/restore the state of dbus-daemon running
  qemu: prepare and stop the dbus daemon
  qemu: add dbus-vmstate helper migration support
  qemu-slirp: register helper for migration

 m4/virt-driver-qemu.m4             |   6 +
 src/qemu/Makefile.inc.am           |   6 +-
 src/qemu/libvirtd_qemu.aug         |   1 +
 src/qemu/qemu.conf                 |   3 +
 src/qemu/qemu_alias.c              |  17 +-
 src/qemu/qemu_alias.h              |   3 +-
 src/qemu/qemu_command.c            |  65 +++----
 src/qemu/qemu_command.h            |   6 +-
 src/qemu/qemu_conf.c               |   9 +
 src/qemu/qemu_conf.h               |   2 +
 src/qemu/qemu_dbus.c               | 283 +++++++++++++++++++++++++----
 src/qemu/qemu_dbus.h               |  30 +--
 src/qemu/qemu_domain.c             |  30 +--
 src/qemu/qemu_domain.h             |   9 +-
 src/qemu/qemu_extdevice.c          |   4 +-
 src/qemu/qemu_hotplug.c            | 165 +++++++++--------
 src/qemu/qemu_hotplug.h            |  17 +-
 src/qemu/qemu_migration.c          |  57 +++++-
 src/qemu/qemu_monitor.c            |  21 +++
 src/qemu/qemu_monitor.h            |   3 +
 src/qemu/qemu_monitor_json.c       |  15 ++
 src/qemu/qemu_monitor_json.h       |   5 +
 src/qemu/qemu_process.c            |   6 +
 src/qemu/qemu_slirp.c              | 126 ++-----------
 src/qemu/qemu_slirp.h              |   4 +-
 src/qemu/test_libvirtd_qemu.aug.in |   1 +
 tests/Makefile.am                  |   1 +
 27 files changed, 564 insertions(+), 331 deletions(-)

-- 
2.25.0.rc2.1.g09a9a1a997

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