Multi check en cas d'erreur avec envoi de mail au bout d'un trop grand nombre d'erreur + Ajout de l'URL de download dans le mail

check_rc_upgrade.sh

@@ -1,18 +1,64 @@
 #!/bin/bash
 
+RC_HOME=/var/www/webmail/public_html
 MAIL=root
-TIME=7
+SEND_EVERY_NB_DAY=7
 CACHE=/var/www/webmail/.cache_check_upgrade
+CACHE_FAILED=$CACHE.failed
+MAX_CHECK=10
+MAX_FAILED=3
+SLEEP_ON_FAILED=10
+CHECK_URL=http://www.roundcube.net/download
 
 DEBUG=0
 [ "$1" == "-v" ] && DEBUG=1
 
-current=`egrep "define.*RCMAIL_VERSION" /var/www/webmail/public_html/program/include/iniset.php|sed "s/define('.*', '\([^']*\)'.*$/\1/"`
+current=`egrep "define.*RCMAIL_VERSION" $RC_HOME/program/include/iniset.php|sed "s/define('.*', '\([^']*\)'.*$/\1/"`
 [ $DEBUG -eq 1 ] && echo "Current : $current"
 
-newest=`wget -q http://www.roundcube.net/download -O - |grep Stable|sed 's/^.*Stable.*: \(.*\)<\/td>.*$/\1/'`
+for i in `seq 1 $MAX_CHECK`
+do
+	tmpfile=`mktemp`
+	wget -q $CHECK_URL -O $tmpfile
+	newest=`cat $tmpfile|grep Stable|sed 's/^.*Stable.*: \(.*\)<\/td>.*$/\1/'`
+	if [ -n "$newest" ]
+	then
 		[ $DEBUG -eq 1 ] && echo "Newest : $newest"
+		rm -f $CACHE_FAILED > /dev/null 2>&1
 
+		DOWNLOAD_URL=`cat $tmpfile|grep "$newest"|grep "tar.gz"|head -1|sed 's/.* href="\([^"]*\)" .*$/\1/'`
+		[ $DEBUG -eq 1 ] && echo "Download URL : $DOWNLOAD_URL"
+		[ ! -n "$DOWNLOAD_URL" ] && DOWNLOAD_URL="$CHECK_URL" && [ $DEBUG -eq 1 ] && echo "Use check URL as download URL : $DOWNLOAD_URL"
+
+		rm -f $tmpfile > /dev/null 2>&1
+		break;
+	elif [ $i -eq $MAX_CHECK ]
+	then
+		error="Site du projet injoignable (ou structure du site modifie !!) => Impossible de recuperer le numero de la version stable actuel."
+		[ $DEBUG -eq 1 ] && echo $error
+		if [ -f $CACHE_FAILED ]
+		then
+			NB=`cat $CACHE_FAILED`
+			[ $DEBUG -eq 1 ] && echo "Fichier de cache d'erreur existe : $NB echec. Max : $MAX_FAILED"
+			if [ $NB -lt $MAX_FAILED ]
+			then
+				let NNB=NB+1
+				[ $DEBUG -eq 1 ] && echo "Augmentation du nb d'erreur dans le fichier de cache d'erreur : $NB -> $NNB"
+				echo -n $NNB > $CACHE_FAILED
+			else
+				[ $DEBUG -eq 1 ] && echo "MAX_FAILED atteint : on envoi un mail"
+				echo $error|mail -s "New RoundCude release check : FAILED" $MAIL
+			fi
+		else
+			[ $DEBUG -eq 1 ] && echo "Fichier de cache d'erreur n'existe pas : on l'initialise à 1."
+			echo -n 1 > $CACHE_FAILED
+		fi
+		[ $DEBUG -eq 1 ] && echo "exit 1"
+		exit 1
+	fi
+	[ $DEBUG -eq 1 ] && echo "Check failed ($i/$MAX_CHECK) : Sleep $SLEEP_ON_FAILED second before try again ..."
+	sleep $SLEEP_ON_FAILED
+done
 
 if [ "$newest" != "$current" ]
 then
@@ -21,11 +67,13 @@ then
 	echo "=====================" >> $tmp
 	echo "Current : $current" >> $tmp
 	echo "Newest : $newest" >> $tmp
+	echo >> $tmp
+	echo "Download URL : $DOWNLOAD_URL" >> $tmp
 	
 	M=0
 	if [ -f $CACHE ]
 	then
-		if [ "`diff $tmp $CACHE`" != "" -o `find $CACHE -mtime +$TIME | wc -l` -eq 1 ]
+		if [ "`diff $tmp $CACHE`" != "" -o `find $CACHE -mtime +$SEND_EVERY_NB_DAY | wc -l` -eq 1 ]
 		then
 			[ $DEBUG -eq 1 ] && echo "Cache trop vieux ou modif => On envoi"
 			M=1