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Last active April 20, 2016 10:01
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ubuntu (14.04) /etc/init.d/dcrd
#!/bin/sh
### BEGIN INIT INFO
# Provides: dcrd
# Required-Start: $remote_fs
# Required-Stop: $remote_fs
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: dcrd daemon startup script
# Description: dcrd daemon startup script
# Require two config files in home folder, with rpcuser/rpcpass and rpclisten/rpcconnect
### END INIT INFO
# Do NOT "set -e"
# Location of your decred binaries
FOLDER=/work/bitcoin/decred
# PATH should only include /usr/* if it runs after the mountnfs.sh script
PATH=/sbin:/usr/sbin:/bin:/usr/bin:/usr/local/bin
DESC="Decred Daemon"
NAME=dcrd
USER=decred
GROUP=decred
CHUID=$USER:$GROUP
DAEMON=$FOLDER/dcrd
DAEMON_ARGS="--notls --configfile=/home/$USER/.dcrd/dcrd.conf" # set rpcuser, rpcpass, rpclisten=127.0.0.1:9109
CLI=$FOLDER/dcrctl
CLI_ARGS="--notls --configfile=/home/$USER/.dcrd/dcrctl.conf" # set rpcuser, rpcpass, rpcserver
PIDFILE=/run/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME
# Read configuration variable file if it is present
[ -r /etc/default/$NAME ] && . /etc/default/$NAME
# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh
# Define LSB log_* functions.
# Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
. /lib/lsb/init-functions
# Exit if the package is not installed
[ -x "$DAEMON" ] || (log_daemon_msg "$NAME not installed" && exit 0)
#
# 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 --start --quiet --pidfile $PIDFILE --exec $DAEMON --test > /dev/null || return 1
start-stop-daemon --start --quiet --chuid $CHUID --make-pidfile --pidfile $PIDFILE -b --exec $DAEMON -- $DAEMON_ARGS || return 2
echo "$NAME started with pid `cat $PIDFILE`"
}
#
# Function that stops the daemon/service
#
stop_daemon_by_cli () {
[ ! -e "$PIDFILE" ] && echo "$DESC not running!" && return 0
$CLI $CLI_ARGS stop
sleep 1
return 0
}
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
stop_daemon_by_cli
start-stop-daemon --stop --quiet --chuid $CHUID --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"
}
case "$1" in
start)
[ "$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 -p $PIDFILE $DAEMON $NAME
[ "$?" = "0" ] && $CLI $CLI_ARGS getinfo
;;
restart|force-reload)
#
# If the "reload" option is implemented then remove the
# 'force-reload' alias
#
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: $SCRIPTNAME {start|stop|restart|force-reload|status}" >&2
exit 3
;;
esac
exit 0
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