X-Git-Url: https://hackdaworld.org/gitweb/?a=blobdiff_plain;f=bin%2Fbackup;h=540cd998e383c6d4e15240fccf5286ce7a1e9704;hb=fb85abfb86cebe9ea6f850b8dfb62b66fd719322;hp=cf8c58463242a3173d45d802691adf2625d3b36a;hpb=5d9641c81a0cf872ae1e23b2be9b44f78b9aad90;p=outofuni%2Fbackup.git

diff --git a/bin/backup b/bin/backup
index cf8c584..540cd99 100755
--- a/bin/backup
+++ b/bin/backup
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 function log {
-	conf=`basename $config | sed 's/\.config$//'`
+	conf=`basename $config | sed 's/\.conf$//'`
 	[ "$dolog" = "1" ] && echo "`date` - $@" >> $logdir/${conf}.log
 }
 
@@ -17,19 +17,21 @@ fi
 
 config=$1
 
-host=`grep ^host $config | cut -d ' ' -f 2`
-aliases="`grep ^aliases $config | cut -d ' ' -f 2-`"
-user=`grep ^user $config | cut -d ' ' -f 2`
-homedirs="` grep ^homedirs $config | cut -d ' ' -f 2-`"
-extradirs="`grep ^extradirs $config | cut -d ' ' -f 2-`" 
-replicas=`grep ^replicas $config | cut -d ' ' -f 2`
-oldest=`grep ^oldest $config | cut -d ' ' -f 2`
-data=`grep ^data $config | cut -d ' ' -f 2`
-bandwidth=`grep ^bandwidth $config | cut -d ' ' -f 2`
-bwconn="`grep ^bandwidth $config | cut -d ' ' -f 3-`"
-compression=`grep ^compression $config | cut -d ' ' -f 2`
-compconn="`grep ^compression $config | cut -d ' ' -f 3-`"
-logdir=`grep ^logdir $config | cut -d ' ' -f 2`
+host=`grep ^host $config | cut -s -d ' ' -f 2`
+aliases="`grep ^aliases $config | cut -s -d ' ' -f 2-`"
+user=`grep ^user $config | cut -s -d ' ' -f 2`
+homedirs="` grep ^homedirs $config | cut -s -d ' ' -f 2-`"
+extradirs="`grep ^extradirs $config | cut -s -d ' ' -f 2-`" 
+replicas=`grep ^replicas $config | cut -s -d ' ' -f 2`
+oldest=`grep ^oldest $config | cut -s -d ' ' -f 2`
+data=`grep ^data $config | cut -s -d ' ' -f 2`
+bandwidth=`grep ^bandwidth $config | cut -s -d ' ' -f 2`
+bwconn="`grep ^bandwidth $config | cut -s -d ' ' -f 3-`"
+compression=`grep ^compression $config | cut -s -d ' ' -f 2`
+compconn="`grep ^compression $config | cut -s -d ' ' -f 3-`"
+cipher=`grep ^cipher $config | cut -s -d ' ' -f 2`
+ciconn=`grep ^cipher $config | cut -s -d ' ' -f 3-`
+logdir=`grep ^logdir $config | cut -s -d ' ' -f 2`
 
 dolog=0
 if [ ! -z "$logdir" ]; then
@@ -53,13 +55,18 @@ else
 	log "host $host (via $remote) is online ..."
 fi
 
+if [ ! -z "`ssh $user@$remote 'cat ~/.backup | grep ^off'`" ]; then
+	log "backup rejected by client ..."
+	exit 0
+fi
+
 comp=6
 if [ ! -z "$compression" ]; then
 	comp=$compression
 	for cpair in "$compconn"; do
-		ch=`echo $cpair | cut -d ':' -f 1`
+		ch=`echo $cpair | cut -s -d ':' -f 1`
 		if [[ "$remote" == "$ch"* ]]; then
-			cl=`echo $cpair | cut -d ':' -f 2`
+			cl=`echo $cpair | cut -s -d ':' -f 2`
 			[[ "$cl" == [0-9] ]] && comp=$cl
 		fi
 	done
@@ -71,16 +78,31 @@ bw=0
 if [ ! -z "$bandwidth" ]; then
 	bw=$bandwidth
 	for bwpair in "$bwconn"; do
-		ch=`echo $bwpair | cut -d ':' -f 1`
+		ch=`echo $bwpair | cut -s -d ':' -f 1`
 		if [[ "$remote" == "$ch"* ]]; then
-			bwl=`echo $cpair | cut -d ':' -f 2`
-			[ ! -z "$bwl" ]] && bw=$bwl
+			bwl=`echo $cpair | cut -s -d ':' -f 2`
+			[ ! -z "$bwl" ] && bw=$bwl
 		fi
 	done
 fi
-rbw="--bandwidth=$bw"
+rbw="--bwlimit=$bw"
 log applying bandwidth of $bw ...
 
+ciph=""
+if [ ! -z "$cipher" ]; then
+	ciph=$cipher
+	for cipair in "$ciconn"; do
+		ch=`echo $cipair | cut -s -d ':' -f 1`
+		if [[ "$remote" == "$ch"* ]]; then
+			cl=`echo $cipair | cut -s -d ':' -f 2`
+			[ ! -z "$cl" ] && ciph=$cl
+		fi
+	done
+fi
+if [ ! -z "$ciph" ]; then
+	log using cipher $ciph ...
+fi
+
 if [ ! -d $data ]; then
 	log no data directory ...
 	exit -4
@@ -89,35 +111,36 @@ log backing up to $data ...
 
 today=`date -I`
 backupdir=$data/${user}_at_${host}
-
 cbd=$backupdir/$today
-mkdir -p $cbd
-
-rsync="rsync -azR --delete --bwlimit=$bandwidth"
 
 ob=""
 lpb=""
 for pb in $backupdir/[0-9]*; do
+	[ ! -d $pb ] && continue
 	bdd=`basename $pb`
 	if [ ! -f $backupdir/.$bdd ]; then
 		if [ "$pb" != "$cbd" ]; then
 			rm -rf $cbd
 			mv $pb $cbd
 			log continuing $pb as $cbd ...
-		else
-			if [ ! -z "$lpb" ]; then
-				rm -rf $cbd
-				mv $lpb $cbd
-				log "starting backup $today from $lpb ..."
-			else
-				log starting backup from scratch ...
-			fi
 		fi
+	else
+		lpb=$pb
+		ob="$ob $pb"
 	fi
-	lpb=$pb
-	ob="$ob $pb"
 done
 
+
+if [ ! -d $cbd ]; then
+	if [ ! -z "$lpb" ]; then
+		cp -al $lpb $cbd
+		log starting backup $today from $lpb ...
+	else
+		mkdir -p $cbd
+		log starting backup $today from scratch ...
+	fi
+fi
+
 if [ ! -f $backupdir/.$today ]; then
 	rsrc=""
 	for dir in $homedirs; do
@@ -131,10 +154,20 @@ if [ ! -f $backupdir/.$today ]; then
 		log backing up home directories $homedirs ...
 	[ ! -z "$extradirs" ] && \
 		log backing up directories $extradirs ...
-	$rsync $user@$remote$rsrc $cbd
+
+	if [ -z "$ciph" ]; then
+		rsync=(rsync -aR $rcomp --delete $rbw $user@$remote$rsrc $cbd)
+	else
+		rsync=(rsync -aR -e "ssh -c $ciph" $rcomp --delete)
+		rsync+=($rbw $user@$remote$rsrc $cbd)
+	fi
+	res=`"${rsync[@]}" 2>&1`
+
 	ret=$?
 	if [ "$ret" != "0" ]; then
 		log backup terminated before completion ...
+		log reason:
+		log $res
 		exit -50
 	fi
 	
@@ -144,16 +177,27 @@ else
 	log backup $bdd found completed ...
 fi
 
+[ -z "$replicas" ] && replicas=3
+[ -z "$oldest" ] && oldest=0
+
 cob=`echo $ob | wc -w`
 if [ $cob -gt $replicas ]; then
 	((numdel=cob-replicas))
-	todel="`echo $ob | cut -d ' ' -f 1-${numdel}`"
-	log to delete: $todel
-	#for dirdel in $todel; do
-	#	bdd=`basename $dirdel`
-	#	rm -r $dirdel
-	#	rm $backupdir/$bdd
-	#done
+	todel="`echo $ob | cut -s -d ' ' -f 1-${numdel}`"
+	for dirdel in $todel; do
+		past=`basename $dirdel`
+		ns=`date --date="$today" +%s`
+		ps=`date --date="$past" +%s`
+		((delta=(ns-ps)/86400))
+		if [ $delta -gt $oldest ]; then
+			log "deleting $dirdel ($delta days old) ..."
+			bdd=`basename $dirdel`
+			rm -r $dirdel
+			rm $backupdir/.$bdd
+		else
+			log "keeping $dirdel ($delta days old) ..."
+		fi
+	done
 fi
 
 exit 0