mirror of https://gitee.com/openkylin/libvirt.git
127 lines
4.4 KiB
Plaintext
127 lines
4.4 KiB
Plaintext
dnl The QEMU driver
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dnl
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dnl Copyright (C) 2016 Red Hat, Inc.
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dnl
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dnl This library is free software; you can redistribute it and/or
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dnl modify it under the terms of the GNU Lesser General Public
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dnl License as published by the Free Software Foundation; either
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dnl version 2.1 of the License, or (at your option) any later version.
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dnl
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dnl This library is distributed in the hope that it will be useful,
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dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
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dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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dnl Lesser General Public License for more details.
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dnl
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dnl You should have received a copy of the GNU Lesser General Public
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dnl License along with this library. If not, see
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dnl <http://www.gnu.org/licenses/>.
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dnl
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AC_DEFUN([LIBVIRT_DRIVER_ARG_QEMU], [
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LIBVIRT_ARG_WITH_FEATURE([QEMU], [QEMU/KVM], [check])
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LIBVIRT_ARG_WITH([QEMU_USER], [username to run QEMU system instance as],
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['platform dependent'])
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LIBVIRT_ARG_WITH([QEMU_GROUP], [groupname to run QEMU system instance as],
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['platform dependent'])
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])
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AC_DEFUN([LIBVIRT_DRIVER_CHECK_QEMU], [
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dnl There is no way qemu driver will work without JSON support
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AC_REQUIRE([LIBVIRT_CHECK_YAJL])
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if test "$with_qemu:$with_yajl" = "yes:no"; then
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AC_MSG_ERROR([YAJL 2 is required to build QEMU driver])
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fi
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if test "$with_qemu" = "check"; then
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with_qemu=$with_yajl
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fi
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if test "$with_qemu" = "yes" ; then
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AC_DEFINE_UNQUOTED([WITH_QEMU], 1, [whether QEMU driver is enabled])
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fi
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AM_CONDITIONAL([WITH_QEMU], [test "$with_qemu" = "yes"])
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if test $with_freebsd = yes || test $with_macos = yes; then
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default_qemu_user=root
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default_qemu_group=wheel
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else
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# Try to integrate gracefully with downstream packages by running QEMU
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# processes using the same user and group they would
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case $(grep ^ID= /etc/os-release 2>/dev/null) in
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*arch*)
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default_qemu_user=nobody
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default_qemu_group=nobody
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;;
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*centos*|*fedora*|*gentoo*|*rhel*|*suse*)
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default_qemu_user=qemu
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default_qemu_group=qemu
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;;
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*debian*)
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default_qemu_user=libvirt-qemu
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default_qemu_group=libvirt-qemu
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;;
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*ubuntu*)
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default_qemu_user=libvirt-qemu
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default_qemu_group=kvm
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;;
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*)
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default_qemu_user=root
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default_qemu_group=root
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;;
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esac
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# If the expected user and group don't exist, or we haven't hit any
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# of the cases above because we're running on an unknown OS, the only
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# sensible fallback is root:root
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AC_MSG_CHECKING([for QEMU credentials ($default_qemu_user:$default_qemu_group)])
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if getent passwd "$default_qemu_user" >/dev/null 2>&1 && \
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getent group "$default_qemu_group" >/dev/null 2>&1; then
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AC_MSG_RESULT([ok])
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else
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AC_MSG_RESULT([not found, using root:root instead])
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default_qemu_user=root
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default_qemu_group=root
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fi
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fi
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if test "x$with_qemu_user" = "xplatform dependent" ; then
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QEMU_USER="$default_qemu_user"
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else
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QEMU_USER="$with_qemu_user"
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fi
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if test "x$with_qemu_group" = "xplatform dependent" ; then
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QEMU_GROUP="$default_qemu_group"
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else
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QEMU_GROUP="$with_qemu_group"
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fi
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AC_DEFINE_UNQUOTED([QEMU_USER], ["$QEMU_USER"], [QEMU user account])
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AC_DEFINE_UNQUOTED([QEMU_GROUP], ["$QEMU_GROUP"], [QEMU group account])
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AC_PATH_PROG([QEMU_BRIDGE_HELPER], [qemu-bridge-helper],
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[/usr/libexec/qemu-bridge-helper],
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[/usr/libexec:/usr/lib/qemu:/usr/lib])
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AC_DEFINE_UNQUOTED([QEMU_BRIDGE_HELPER], ["$QEMU_BRIDGE_HELPER"],
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[QEMU bridge helper])
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AC_PATH_PROG([QEMU_PR_HELPER], [qemu-pr-helper],
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[/usr/bin/qemu-pr-helper],
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[/usr/bin:/usr/libexec])
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AC_DEFINE_UNQUOTED([QEMU_PR_HELPER], ["$QEMU_PR_HELPER"],
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[QEMU PR helper])
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AC_PATH_PROG([QEMU_SLIRP_HELPER], [slirp-helper],
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[/usr/bin/slirp-helper],
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[/usr/bin:/usr/libexec])
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AC_DEFINE_UNQUOTED([QEMU_SLIRP_HELPER], ["$QEMU_SLIRP_HELPER"],
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[QEMU slirp helper])
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])
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AC_DEFUN([LIBVIRT_DRIVER_RESULT_QEMU], [
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LIBVIRT_RESULT([QEMU], [$with_qemu])
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])
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AC_DEFUN([LIBVIRT_RESULT_QEMU_PRIVILEGES], [
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if test "$QEMU_USER" = "root"; then
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LIBVIRT_RESULT([QEMU], [$QEMU_USER:$QEMU_GROUP],
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[!!! running QEMU as root is strongly discouraged !!!])
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else
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LIBVIRT_RESULT([QEMU], [$QEMU_USER:$QEMU_GROUP])
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fi
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])
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