diff options
Diffstat (limited to 'debian/qemu-guest-agent.init')
| -rw-r--r-- | debian/qemu-guest-agent.init | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/debian/qemu-guest-agent.init b/debian/qemu-guest-agent.init new file mode 100644 index 00000000..e1424780 --- /dev/null +++ b/debian/qemu-guest-agent.init @@ -0,0 +1,131 @@ +#! /bin/sh +### BEGIN INIT INFO +# Provides: qemu-guest-agent +# Required-Start: $remote_fs $syslog +# Required-Stop: $remote_fs $syslog +# Default-Start: 2 3 4 5 +# Default-Stop: 0 1 6 +# Short-Description: QEMU Guest Agent startup script +# Description: Start the QEMU Guest Agent if we're running +# in a QEMU virtual machine +### END INIT INFO + +# Author: Michael Tokarev <mjt@tls.msk.ru> + +PATH=/sbin:/usr/sbin:/bin:/usr/bin +DESC="QEMU Guest Agent" +NAME=qemu-ga +DAEMON=/usr/sbin/$NAME +PIDFILE=/var/run/$NAME.pid + +# config +DAEMON_ARGS="" +# default transport +TRANSPORT=virtio-serial:/dev/virtio-ports/org.qemu.guest_agent.0 + +# Exit if the package is not installed +[ -x "$DAEMON" ] || exit 0 + +# Read configuration variable file if it is present +[ -r /etc/default/qemu-guest-agent ] && . /etc/default/qemu-guest-agent + +# Load the VERBOSE setting and other rcS variables +. /lib/init/vars.sh + +# Define LSB log_* functions. +# Depend on lsb-base (>= 3.2-14) to ensure that this file is present +# and status_of_proc is working. +. /lib/lsb/init-functions + +# +# Function that checks whenever system has necessary environment +# It also splits $TRANSPORT into $method and $path +# +do_check_transport() { + method=${TRANSPORT%%:*}; path=${TRANSPORT#*:} + case "$method" in + virtio-serial | isa-serial) + if [ ! -e "$path" ]; then + log_warning_msg "$NAME: transport endpoint not found, not starting" + return 1 + fi + ;; + esac +} + +# +# Function that starts the daemon/service +# +do_start() +{ + # Return + # 0 if daemon has been started + # 1 if daemon was already running + # 2 if daemon could not be started + start-stop-daemon -Sq -p $PIDFILE -x $DAEMON --test > /dev/null \ + || return 1 + start-stop-daemon -Sq -p $PIDFILE -x $DAEMON -- --daemonize \ + $DAEMON_ARGS -m "$method" -p "$path" \ + || return 2 +} + +# +# Function that stops the daemon/service +# +do_stop() +{ + # Return + # 0 if daemon has been stopped + # 1 if daemon was already stopped + # 2 if daemon could not be stopped + # other if a failure occurred + start-stop-daemon -Kq --retry=TERM/30/KILL/5 -p $PIDFILE --name $NAME +} + +case "$1" in + start) + do_check_transport || exit 0 + [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" $NAME + do_start + case "$?" in + 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;; + 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;; + esac + ;; + stop) + [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" $NAME + do_stop + case "$?" in + 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;; + 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;; + esac + ;; + status) + status_of_proc "$DAEMON" $NAME && exit 0 || exit $? + ;; + restart|force-reload) # we do not support reload + do_check_transport || exit 0 + log_daemon_msg "Restarting $DESC" $NAME + do_stop + case "$?" in + 0|1) + do_start + case "$?" in + 0) log_end_msg 0 ;; + 1) log_end_msg 1 ;; # Old process is still running + *) log_end_msg 1 ;; # Failed to start + esac + ;; + *) + # Failed to stop + log_end_msg 1 + ;; + esac + ;; + *) + echo "Usage: /etc/init.d/qemu-guest-agent {start|stop|status|restart|force-reload}" >&2 + exit 3 + ;; +esac + +: |