File: postinst

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bindgraph 0.2a-6
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#!/bin/sh
# postinst script for BindGraph
# by Jose Luis Tallon <jltallon@adv-solutions.net>

. /usr/share/debconf/confmodule
db_version 2.0

set -e

# summary of how this script can be called:
#        * <postinst> `configure' <most-recently-configured-version>
#        * <old-postinst> `abort-upgrade' <new version>
#        * <conflictor's-postinst> `abort-remove' 	n-favour' <package>
#          <new-version>
#        * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
#          <failed-install-package> <version> `removing'
#          <conflicting-package> <version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package
#
# quoting from the policy:
#     Any necessary prompting should almost always be confined to the
#     post-installation script, and should be protected with a conditional
#     so that unnecessary prompting doesn't happen if a package's
#     installation fails and the `postinst' is called with `abort-upgrade',
#     `abort-remove' or `abort-deconfigure'.

RUNDIR=/var/run/servergraph
DATADIR=/var/lib/bindgraph
CACHEDIR=/var/cache/bindgraph
DEFAULTS=/etc/default/bindgraph

NAMED_CONF_LOG=/etc/bind/named.conf.logging

case "$1" in
    configure)
	[ -d $RUNDIR ] || mkdir -p $RUNDIR
	chown daemon:root $RUNDIR

	db_get bindgraph/logfile || true
	LOGFILE="$RET"

	if [ ! -d $DATADIR ]; then mkdir $DATADIR; fi
	chown root:adm $DATADIR
	chmod 775 $DATADIR
 
	if [ ! -d $CACHEDIR ]; then mkdir -p $CACHEDIR; fi
	chown www-data:www-data $CACHEDIR

	
	
	# Solve #293819
	BIND_VER="`dpkg -l bind9 | awk '/^ii/ { print $3; }'`"
	if [ -n $BIND_VER ] && dpkg --compare-versions "$BIND_VER" ge '9.3' ; then
		log_ver="bind93" ;
	else
		log_ver="bind92" ;
	fi
	
	if [ ! -f $DEFAULTS ]; then
		echo "DNS_LOG=$LOGFILE" > $DEFAULTS
		echo "LOG_FORMAT=${log_ver}" >> $DEFAULTS

	fi
	
	if [ -z "`egrep "^\s*DNS_LOG\s*=\s*$LOGFILE\s*$" $DEFAULTS`" ]; then
 		# update log file location
		mv $DEFAULTS $DEFAULTS.tmp
		grep -v DNS_LOG $DEFAULTS.tmp > $DEFAULTS
		egrep -v "^\s*DNS_LOG\s*=" $DEFAULTS.tmp > $DEFAULTS
		echo "DNS_LOG=$LOGFILE" >> $DEFAULTS
		rm -f $DEFAULTS.tmp
	fi
	
	if [ -n "$2" ]; then
		# if we are upgrading, update config :-)
		if [ -z "`egrep "^\s*LOG_FORMAT\s*=" ${DEFAULTS}`" ]; then
			echo "LOG_FORMAT=${log_ver}" >> $DEFAULTS		
		fi
	fi


	if [ ! -f $LOGFILE ]; then
		# Ensure something is there, so that BindGraph can start
		touch $LOGFILE
		chown root:adm $LOGFILE; chmod 640 $LOGFILE
	fi



	db_get bindgraph/start_on_boot
	if [ "$RET" = "true" ]; then
		update-rc.d bindgraph defaults >/dev/null ;
	else
		update-rc.d -f bindgraph remove >/dev/null 2>&1 ;
	fi
    ;;
    
    abort-upgrade|abort-remove|abort-deconfigure)

    ;;

    *)
	echo "postinst called with unknown argument \$1'" >&2
	exit 1
    ;;
esac

db_get bindgraph/start_on_boot
if [ "$RET" = "true" ]; then
	invoke-rc.d --quiet bindgraph start
fi
db_stop

# NO debhelper tag -- on purpose

exit 0