diff options
Diffstat (limited to 'debian/kea-dhcp4-server.init')
| -rw-r--r-- | debian/kea-dhcp4-server.init | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/debian/kea-dhcp4-server.init b/debian/kea-dhcp4-server.init new file mode 100644 index 0000000..c91aa61 --- /dev/null +++ b/debian/kea-dhcp4-server.init @@ -0,0 +1,167 @@ +#!/bin/sh +### BEGIN INIT INFO +# Provides: kea-dhcp4-server +# Required-Start: $local_fs $network $remote_fs $syslog +# Required-Stop: $local_fs $network $remote_fs $syslog +# Default-Start: 2 3 4 5 +# Default-Stop: 0 1 6 +# Short-Description: Kea DHCP IPv4 Server +# Description: Kea is an IPv4 and IPv6 DHCP server developed by Internet +# Systems Consortium providing a very high-performance with +# PostgreSQL, MySQL and memfile backends. +### END INIT INFO +# Author: Adam Majer <adamm@zombino.com> +# Do NOT "set -e" + +# PATH should only include /usr/* if it runs after the mountnfs.sh script +PATH=/sbin:/usr/sbin:/bin:/usr/bin +DESC="kea-dhcp4" +NAME=kea-dhcp4-server +DAEMON=/usr/sbin/kea-dhcp4 +DAEMON_ARGS="-c /etc/kea/kea-dhcp4.conf" +DAEMONUSER=_kea +PIDFILE=/run/kea/kea-dhcp4.kea-dhcp4.pid # depends on config-filename: https://kea.readthedocs.io/en/latest/arm/dhcp4-srv.html +SCRIPTNAME=/etc/init.d/$NAME +KEA_PIDFILE_DIR=/run/kea +KEA_LOCKFILE_DIR=/run/lock/kea + +# Exit if the package is not installed +[ -x "$DAEMON" ] || exit 0 + +# Read configuration variable file if it is present +[ -r /etc/default/$NAME ] && . /etc/default/$NAME + +# Load the VERBOSE setting and other rcS variables +. /lib/init/vars.sh + +# Define LSB log_* functions. +# Depend on lsb-base (>= 3.2-14) to ensure that this file is present +# and status_of_proc is working. +. /lib/lsb/init-functions + +create_lockfile_dir() +{ + if [ ! -d "$KEA_LOCKFILE_DIR" ]; then + mkdir -m 0750 -p "$KEA_LOCKFILE_DIR" + chown "$DAEMONUSER:" "$KEA_LOCKFILE_DIR" + fi +} + +create_pidfile_dir() +{ + if [ ! -d "$KEA_PIDFILE_DIR" ]; then + mkdir -m 0750 -p "$KEA_PIDFILE_DIR" + chown "$DAEMONUSER:" "$KEA_PIDFILE_DIR" + fi +} + +setcap_binary() +{ + setcap "cap_net_bind_service,cap_net_raw=+ep" $DAEMON +} + +# +# Function that starts the daemon/service +# +do_start() +{ + create_lockfile_dir + create_pidfile_dir + setcap_binary + export KEA_LOCKFILE_DIR + # 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 --pidfile $PIDFILE --exec $DAEMON -b -c $DAEMONUSER -- \ + $DAEMON_ARGS \ + || 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 --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE --exec $DAEMON --user $DAEMONUSER + RETVAL="$?" + [ "$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 --user $DAEMONUSER + [ "$?" = 2 ] && return 2 + # Many daemons don't delete their pidfiles when they exit. + rm -f $PIDFILE + return "$RETVAL" +} + +# +# Function that sends a SIGHUP to the daemon/service +# +do_reload() { + start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE --exec $DAEMON --user $DAEMONUSER + return 0 +} + +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) [ "$VERBOSE" != no ] && log_end_msg 1 ;; + esac + ;; + status) + status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $? + ;; + reload|force-reload) + log_daemon_msg "Reloading $DESC" "$NAME" + do_reload + log_end_msg $? + ;; + restart) + 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|reload|force-reload}" >&2 + echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2 + exit 3 + ;; +esac + +: |