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#! /bin/sh ### BEGIN INIT INFO # Provides: cgproxy # Required-Start: cgmanager # Required-Stop: # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 # Short-Description: Cgroup manager daemon # Description: # The cgroup manager accepts cgroup administration requests # over dbus, honoring privilege by root users in mapped user # namespaces over the non-root mapped uids. This allows safe # nesting of lxc containers by unprivileged users. ### END INIT INFO # Do NOT "set -e" PATH=/sbin:/bin DAEMON=/sbin/cgproxy NAME=cgproxy DESC="cgroup management proxy daemon" BASEOPTS="--daemon" test -x $DAEMON || exit 0 PIDFILE=/run/$NAME.pid if [ -f /etc/default/cgmanager ]; then # get cgmanager_opts if specified . /etc/default/cgmanager fi # 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 DAEMON_ARGS="$BASEOPTS $cgmanager_opts" 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 --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE --name $NAME RETVAL="$?" [ "$RETVAL" = 2 ] && return 2 # Wait for children to finish too if this is a daemon that forks # and if the daemon is only ever run from this initscript. # If the above conditions are not satisfied then add some other code # that waits for the process to drop all resources that could be # needed by services started subsequently. A last resort is to # sleep for some time. start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --exec $DAEMON [ "$?" = 2 ] && return 2 # Many daemons don't delete their pidfiles when they exit. rm -f $PIDFILE return "$RETVAL" } 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 --start --quiet --pidfile $PIDFILE --exec $DAEMON --test > /dev/null \ || return 1 # cgproxy should only run on container unless on older kernel if [ -e /proc/self/ns/pid ] && [ "$NESTED" != "yes" ]; then log_end_msg 0 exit 0 fi start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON -- \ $DAEMON_ARGS \ || return $? # Todo - once the compiled cgm is installed we could use it here to ping # cgmanager as our test for readiness. sleep 1 } case "$1" in restart|force-reload) 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 ;; start) 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) 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 -p $PIDFILE "$DAEMON" "$NAME" && exit 0 || exit $? ;; *) echo "Usage: $0 {start|stop|restart|force-reload}" >&2 exit 3 ;; esac :