install.sh (8067e38) - check_mem

install.sh

#!/bin/bash

SD=$( dirname $0 )
SD=$( pwd $SD )
SRC=$SD/check_mem
DD=/usr/local/lib/nagios/plugins
DST=$DD/check_mem

NAGIOS_PLUGINS_CFG_DIR=/etc/nagios-plugins/config
NAGIOS_PLUGINS_CFG_DST=$NAGIOS_PLUGINS_CFG_DIR/mem.cfg

[ ! -d $DD ] && mkdir -p $DD

DO=1
if [ -e $DST ]
then
	ASK=1
	if [ -L $DST ]
	then
		D=`ls -l $DST|sed 's/.* -> //'`
		if [ "$D" = "$SRC" ]
		then
			echo "Symbolic link $DST already exist. Pass."
			ASK=0
			DO=0
		fi
	fi
	if [ $ASK -eq 1 ]
	then
		echo "File $DST already exists."
		echo -n "Abort (Y,n) ? "
		read a
		[ "$a" != "N" -a "$a" != "n" ] && exit
		echo "Saved old file in $DST.orig"
		mv $DST $DST.orig
	fi
fi

[ $DO -eq 1 ] && ln -s $SRC $DST

[ ! -d $NAGIOS_PLUGINS_CFG_DIR ] && mkdir -p $NAGIOS_PLUGINS_CFG_DIR

DO=1
TMP=`mktemp`
echo "# 'check_mem' command definition
define command {
	command_name	check_mem
	command_line	$DST -w \$ARG1\$,\$ARG2\$ -c \$ARG3\$,\$ARG4\$
}" > $TMP

if [ -e $NAGIOS_PLUGINS_CFG_DST ]
then
	ASK=1
	if [ ! -n "`diff $NAGIOS_PLUGINS_CFG_DST $TMP`" ] 
	then
		echo "Configuration file already and is correct. Pass."
		ASK=0
		DO=0
	fi
	if [ $ASK -eq 1 ]
	then
		echo "File $NAGIOS_PLUGINS_CFG_DST already exists."
		echo -n "Abort (Y,n) ? "
		read a
		[ "$a" != "N" -a "$a" != "n" ] && exit
		echo "Saved old configuration file in $NAGIOS_PLUGINS_CFG_DST.orig"
		mv "$NAGIOS_PLUGINS_CFG_DST" "$NAGIOS_PLUGINS_CFG_DST.orig"
	fi
fi

[ $DO -eq 1 ] && cp $TMP $NAGIOS_PLUGINS_CFG_DST
rm -f $TMP

check_mem

Fixed symbolic link existence detection