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#!/sbin/openrc-run
# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/app-emulation/xen-tools/files/xendomains.initd-r2,v 1.4 2012/01/12 13:40:01 alexxy Exp $
extra_commands="status"
depend() {
need xenstored
after dhcp xend xenconsoled
}
get_domname() {
local name_from_file=$(sed -rn 's/^name\W*=\W*\"?([[:alnum:]_\.-]+)\"?\W*;?/\1/p' "${1}" | tail -n 1)
if [ -z ${name_from_file} ]; then
basename "${1}"
else
echo ${name_from_file}
fi
}
is_running() {
/usr/sbin/xl list "${1}" >/dev/null 2>&1
}
using_screen() {
yesno "${SCREEN}"
}
set_screen_cmd() {
export SCREENDIR=${SCREENDIR:-/tmp/screens/S-root}
# create the parent dirs
mkdir -p "$SCREENDIR"
# set permissions
checkpath -d -m 700 "$SCREENDIR"
screen_cmd="screen -c ${SCREENRC:-/dev/null} -q -r ${SCREEN_NAME:=xen} -X"
}
wait_screen() {
while ! ${screen_cmd} dettach; do
sleep 0.1
done
}
init_screen() {
set_screen_cmd
ebegin "Creating screen session to hold domain consoles"
( screen -c ${SCREENRC:-/dev/null} -d -m -S ${SCREEN_NAME} -t dom0 \
&& wait_screen \
&& ${screen_cmd} zombie dr \
&& logrotate -f /etc/xen/xen-consoles.logrotate \
&& ${screen_cmd} logfile /var/log/xen-consoles/%t.log \
&& ${screen_cmd} logfile flush ${SCREEN_LOG_INTERVAL:-1} \
&& ${screen_cmd} log on \
&& ${screen_cmd} deflog on ) >/dev/null
eend $?
}
startdom_screen() {
${screen_cmd} screen -t ${1} xl create ${2} -c
}
close_screen() {
set_screen_cmd
if ${screen_cmd} sleep 0 >/dev/null 2>&1 ; then
ebegin "Closing screen session ${SCREEN_NAME}"
${screen_cmd} quit
eend $?
else
eend 0
fi
}
set_tmux_cmd() {
: ${TMUX_NAME:=xen}
tmux_cmd="tmux -f ${TMUX_CONF:-/dev/null}"
}
init_tmux() {
set_tmux_cmd
$tmux_cmd new-session -d -s xen -n dom0 \; \
set-option -g set-remain-on-exit on
}
startdom_tmux() {
$tmux_cmd new-window -t ${TMUX_NAME:-xen} -n ${1} "xl create ${2} -c"
}
close_tmux() {
set_tmux_cmd
if ${tmux_cmd} has-session -t ${TMUX_NAME}; then
ebegin "Closing tmux session ${TMUX_NAME}"
$tmux_cmd kill-session -t ${TMUX_NAME}
eend $?
else
eend 0
fi
}
startdom_noconsole() {
xl create --quiet ${2}
}
set_dom_cmd() {
if using_screen; then
: ${XENDOMAINS_CONSOLE:=screen}
fi
case "$XENDOMAINS_CONSOLE" in
screen|tmux)
initconsole=init_$XENDOMAINS_CONSOLE
startdom=startdom_$XENDOMAINS_CONSOLE
closeconsole=close_$XENDOMAINS_CONSOLE
;;
*)
initconsole=
startdom=startdom_noconsole
closeconsole=
esac
}
start() {
set_dom_cmd
checkpath --directory --mode 755 /var/run/xen
einfo "Starting Xen domains from ${AUTODIR:=/etc/xen/auto}"
$initconsole
# Create all domains with config files in AUTODIR.
want_usleep=
for dom in $(ls "${AUTODIR:=/etc/xen/auto}/"* 2>/dev/null | sort); do
name=$(get_domname ${dom})
if ! is_running ${name} ; then
if [ -n "$want_usleep" ]; then
usleep ${XENDOMAINS_CREATE_USLEEP:=5000000}
else
want_usleep=1
fi
ebegin " Starting domain ${name}"
$startdom "${name}" "${dom}"
eend $?
else
einfo " Not starting domain ${name} - already running"
fi
done
}
stop() {
set_dom_cmd
einfo "Shutting down Xen domains from ${AUTODIR:=/etc/xen/auto}"
# Stop all domains with config files in AUTODIR.
DOMAINS="$(ls "${AUTODIR:=/etc/xen/auto}/"* 2>/dev/null | sort -r)"
if yesno "$PARALLEL_SHUTDOWN"; then
for dom in $DOMAINS ; do
name=$(get_domname ${dom})
if is_running ${name} ; then
ebegin " Asking domain ${name} to shutdown in the background..."
xl shutdown -w ${name} >/dev/null &
else
einfo " Not stopping domain ${name} - not running"
fi
done
einfo " Waiting for shutdown of domains that are still running"
wait
eend $?
else
for dom in $DOMAINS ; do
name=$(get_domname ${dom})
if is_running ${name} ; then
ebegin " Waiting for domain ${name} to shutdown"
xl shutdown -w ${name} >/dev/null
eend $?
else
einfo " Not stopping domain ${name} - not running"
fi
done
fi
$closeconsole
}
status() {
/usr/sbin/xl list
}
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