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File rcpdns of Package pdns (Revision 3556f6933fbea5c88d6aee6df621aecc)

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#! /bin/sh
# Copyright (c) 1995-2004 SUSE Linux AG, Nuernberg, Germany.
# All rights reserved.
#
# Author: Kurt Garloff
# Please send feedback to http://www.suse.de/feedback/
#
# /etc/init.d/pdns
#   and its symbolic link
# /(usr/)sbin/rcpdns
#
#    This program is free software; you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation; either version 2 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program; if not, write to the Free Software
#    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
# Template system startup script for some example service/daemon FOO
#
# LSB compatible service control script; see http://www.linuxbase.org/spec/
#
# Note: This template uses functions rc_XXX defined in /etc/rc.status on
# UnitedLinux (UL) based Linux distributions. If you want to base your
# script on this template and ensure that it works on non UL based LSB
# compliant Linux distributions, you either have to provide the rc.status
# functions from UL or change the script to work without them.
#
### BEGIN INIT INFO
# Provides:          pdns
# Required-Start:    $network $syslog $remote_fs
# Should-Start:      ldap
# Required-Stop:     $network $syslog $remote_fs
# Should-Stop:       ldap
# Default-Start:     3 5
# Default-Stop:      0 1 2 6
# Short-Description: PDNS is a versatile high performance authoritative nameserver
# Description:       PDNS is a versatile high performance authoritative nameserver
### END INIT INFO
#
# Any extensions to the keywords given above should be preceeded by
# X-VendorTag- (X-UnitedLinux- X-SuSE- for us) according to LSB.
#
# Notes on Required-Start/Should-Start:
# * There are two different issues that are solved by Required-Start
#    and Should-Start
# (a) Hard dependencies: This is used by the runlevel editor to determine
#     which services absolutely need to be started to make the start of
#     this service make sense. Example: nfsserver should have
#     Required-Start: $portmap
#     Also, required services are started before the dependent ones.
#     The runlevel editor will warn about such missing hard dependencies
#     and suggest enabling. During system startup, you may expect an error,
#     if the dependency is not fulfilled.
# (b) Specifying the init script ordering, not real (hard) dependencies.
#     This is needed by insserv to determine which service should be
#     started first (and at a later stage what services can be started
#     in parallel). The tag Should-Start: is used for this.
#     It tells, that if a service is available, it should be started
#     before. If not, never mind.
# * When specifying hard dependencies or ordering requirements, you can
#   use names of services (contents of their Provides: section)
#   or pseudo names starting with a $. The following ones are available
#   according to LSB (1.1):
#       $local_fs               all local file systems are mounted
#                               (most services should need this!)
#       $remote_fs              all remote file systems are mounted
#                               (note that /usr may be remote, so
#                                many services should Require this!)
#       $syslog                 system logging facility up
#       $network                low level networking (eth card, ...)
#       $named                  hostname resolution available
#       $netdaemons             all network daemons are running
#   The $netdaemons pseudo service has been removed in LSB 1.2.
#   For now, we still offer it for backward compatibility.
#   These are new (LSB 1.2):
#       $time                   the system time has been set correctly
#       $portmap                SunRPC portmapping service available
#   UnitedLinux extensions:
#       $ALL                    indicates that a script should be inserted
#                               at the end
# * The services specified in the stop tags
#   (Required-Stop/Should-Stop)
#   specify which services need to be still running when this service
#   is shut down. Often the entries there are just copies or a subset
#   from the respective start tag.
# * Should-Start/Stop are now part of LSB as of 2.0,
#   formerly SUSE/Unitedlinux used X-UnitedLinux-Should-Start/-Stop.
#   insserv does support both variants.
# * X-UnitedLinux-Default-Enabled: yes/no is used at installation time
#   (%fillup_and_insserv macro in %post of many RPMs) to specify whether
#   a startup script should default to be enabled after installation.
#   It's not used by insserv.
#
# Note on runlevels:
# 0 - halt/poweroff                     6 - reboot
# 1 - single user                       2 - multiuser without network exported
# 3 - multiuser w/ network (text mode)  5 - multiuser w/ network and X11 (xdm)
#
# Note on script names:
# http://www.linuxbase.org/spec/refspecs/LSB_1.3.0/gLSB/gLSB/scrptnames.html
# A registry has been set up to manage the init script namespace.
# http://www.lanana.org/
# Please use the names already registered or register one or use a
# vendor prefix.

# Check for missing binaries (stale symlinks should not happen)
# Note: Special treatment of stop for LSB conformance
PDNS_SERVER=/usr/sbin/pdns_server
test -x $PDNS_SERVER || { echo "$PDNS_SERVER not installed";
        if [ "$1" = "stop" ]; then exit 0;
        else exit 5; fi; }

doPC()
{
        ret=$(/usr/bin/pdns_control $EXTRAOPTS $1 $2 2> /dev/null)
}

doPC ping
NOTRUNNING=$?

# Source LSB init functions
# providing start_daemon, killproc, pidofproc,
# log_success_msg, log_failure_msg and log_warning_msg.
# This is currently not used by UnitedLinux based distributions and
# not needed for init scripts for UnitedLinux only. If it is used,
# the functions from rc.status should not be sourced or used.
#. /lib/lsb/init-functions

# Shell functions sourced from /etc/rc.status:
#      rc_check         check and set local and overall rc status
#      rc_status        check and set local and overall rc status
#      rc_status -v     be verbose in local rc status and clear it afterwards
#      rc_status -v -r  ditto and clear both the local and overall rc status
#      rc_status -s     display "skipped" and exit with status 3
#      rc_status -u     display "unused" and exit with status 3
#      rc_failed        set local and overall rc status to failed
#      rc_failed <num>  set local and overall rc status to <num>
#      rc_reset         clear both the local and overall rc status
#      rc_exit          exit appropriate to overall rc status
#      rc_active        checks whether a service is activated by symlinks
. /etc/rc.status

# Reset status of this service
rc_reset

# Return values acc. to LSB for all commands but status:
# 0       - success
# 1       - generic or unspecified error
# 2       - invalid or excess argument(s)
# 3       - unimplemented feature (e.g. "reload")
# 4       - user had insufficient privileges
# 5       - program is not installed
# 6       - program is not configured
# 7       - program is not running
# 8--199  - reserved (8--99 LSB, 100--149 distrib, 150--199 appl)
#
# Note that starting an already running service, stopping
# or restarting a not-running service as well as the restart
# with force-reload (in case signaling is not supported) are
# considered a success.

# ensure our control directory exists
PDNS_CTRLDIR="/var/run/pdns"
if [ ! -e "$PDNS_CTRLDIR" ] ; then
        mkdir --mode=0755 "$PDNS_CTRLDIR"
fi

case "$1" in
    start)
        echo -n "Starting PowerDNS authoritative nameserver"
        ## Start daemon with startproc(8). If this fails
        ## the return value is set appropriately by startproc.
        startproc $PDNS_SERVER $EXTRAOPTS --daemon

# Remember status and be verbose
        rc_status -v
        ;;
    stop)
        echo -n "Shutting down PowerDNS authoritative nameserver"
        ## Stop daemon with killproc(8) and if this fails
        ## killproc sets the return value according to LSB.

killproc -TERM $PDNS_SERVER

# Remember status and be verbose
        rc_status -v
        ;;
    try-restart|condrestart)
        ## Do a restart only if the service was active before.
        ## Note: try-restart is now part of LSB (as of 1.9).
        ## RH has a similar command named condrestart.
        if test "$1" = "condrestart"; then
                echo "${attn} Use try-restart ${done}(LSB)${attn} rather than condrestart ${warn}(RH)${norm}"
        fi
        $0 status
        if test $? = 0; then
                $0 restart
        else
                rc_reset        # Not running is not a failure.
        fi
        # Remember status and be quiet
        rc_status
        ;;
    restart|force-reload)
        ## Stop the service and regardless of whether it was
        ## running or not, start it again.
        $0 stop
        $0 start

# Remember status and be quiet
        rc_status
        ;;
    reload)
        ## Like force-reload, but if daemon does not support
        ## signaling, do nothing (!)

echo -n "Reloading PowerDNS authoritative nameserver"
        doPC cycle
        rc_status -v
        ;;
    status)
        echo -n "Checking for service PDNS "
        ## Check status with checkproc(8), if process is running
        ## checkproc will return with exit status 0.

# Return value is slightly different for the status command:
        # 0 - service up and running
        # 1 - service dead, but /var/run/  pid  file exists
        # 2 - service dead, but /var/lock/ lock file exists
        # 3 - service not running (unused)
        # 4 - service status unknown :-(
        # 5--199 reserved (5--99 LSB, 100--149 distro, 150--199 appl.)

# NOTE: checkproc returns LSB compliant status values.
        checkproc $PDNS_SERVER
        # NOTE: rc_status knows that we called this init script with
        # "status" option and adapts its messages accordingly.
        rc_status -v
        ;;
    probe)
        ## Optional: Probe for the necessity of a reload, print out the
        ## argument to this init script which is required for a reload.
        ## Note: probe is not (yet) part of LSB (as of 1.9)

test /etc/pdns.conf -nt /var/run/pdns.pid && echo reload
        ;;
    # additional options, taken from the upstream init script
    force-stop)
        echo -n "Stopping PowerDNS authoritative nameserver"
        killproc -KILL $PDNS_SERVER
        rc_status -v
        ;;
    monitor)
        if test "$NOTRUNNING" = "0"
        then
                echo "already running"
        else
                $PDNS_SERVER --daemon=no --guardian=no --control-console --loglevel=9
        fi
        ;;
    dump)
        if test "$NOTRUNNING" = "0"
        then
                doPC list
                echo $ret
        else
                echo "not running"
        fi
        ;;
    show)
        if [ $# -lt 2 ]
        then
                echo Insufficient parameters
                exit
        fi
        if test "$NOTRUNNING" = "0"
        then
                echo -n "$2="
                doPC show $2 ; echo $ret
        else
                echo "not running"
        fi
        ;;
    mrtg)
        if [ $# -lt 2 ]
        then
                echo Insufficient parameters
                exit
        fi
        if test "$NOTRUNNING" = "0"
        then
                doPC show $2 ; echo $ret
                if [ "$3x" != "x" ]
                then
                        doPC show $3 ; echo $ret
                else
                        echo 0
                fi
                doPC uptime ; echo $ret
                echo PowerDNS daemon
        else
                echo "not running"
        fi
    ;;
    cricket)
        if [ $# -lt 2 ]
        then
                echo Insufficient parameters
                exit
        fi
        if test "$NOTRUNNING" = "0"
        then
                doPC show $2 ; echo $ret
        else
                echo "not running"
        fi

;;
    *)
        echo "Usage: $0 {start|stop|status|try-restart|restart|force-reload|reload|probe|force-stop|monitor|dump|show|mrtg|cricket}"
        exit 1
        ;;
esac
rc_exit

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File rcpdns of Package pdns (Revision 3556f6933fbea5c88d6aee6df621aecc)

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