X-Git-Url: https://git.stderr.nl/gitweb?a=blobdiff_plain;f=handlers%2Fmaildir;fp=handlers%2Fmaildir;h=0000000000000000000000000000000000000000;hb=579ea902ba24854b3c9acb307cda7e996e8e41a3;hp=4b98debfbef9f26acbe82bd14ad1cd3587356b27;hpb=be75e4e6c536882c14db9a41c61585e7a9c045f6;p=matthijs%2Fupstream%2Fbackupninja.git

diff --git a/handlers/maildir b/handlers/maildir
deleted file mode 100644
index 4b98deb..0000000
--- a/handlers/maildir
+++ /dev/null
@@ -1,348 +0,0 @@
-# -*- mode: sh; sh-basic-offset: 3; indent-tabs-mode: nil; -*-
-
-###############################################################
-#
-#  This handler slowly creates a backup of each user's maildir
-#  to a remote server. It is designed to be run with low overhead
-#  in terms of cpu and bandwidth so it runs pretty slow.
-#  Hardlinking is used to save storage space.
-#
-#  each users maildir will contain these files:
-#    daily.1
-#    daily.2
-#    daily.3
-#    weekly.1
-#    weekly.2
-#    monthly.1
-#  if keepdaily is 3, keepweekly is 2, and keepmonthly is 1. 
-#  the actual maildir is stored within each snapshot directory.
-#
-#  The basic algorithm is to rsync each maildir individually,
-#  and to use hard links for retaining historical data.
-#
-#  We handle each maildir individually because it becomes very
-#  unweldy to hardlink and rsync many hundreds of thousands
-#  of files at once. It is much faster to take on smaller
-#  chunks at a time. 
-#
-#  For the backup rotation to work, destuser must be able to run 
-#  arbitrary bash commands on the desthost.
-#
-#  Any maildir which is deleted from the source will be moved to
-#  "deleted" directory in the destination. It is up to you to 
-#  periodically remove this directory or old maildirs in it.
-# 
-##############################################################
-
-getconf rotate yes
-getconf remove yes
-getconf backup yes
-
-getconf loadlimit 5
-getconf speedlimit 0
-getconf keepdaily 5
-getconf keepweekly 3
-getconf keepmonthly 1
-
-getconf srcdir /var/maildir
-getconf destdir
-getconf desthost
-getconf destport 22
-getconf destuser
-
-getconf multiconnection notset
-
-letters="a b c d e f g h i j k l m n o p q r s t u v w x y z"
-failedcount=0
-# strip trailing /
-destdir=${destdir%/}
-srcdir=${srcdir%/}
-
-# used for testing
-#getconf testuser elijah
-
-[ -d $srcdir ] || fatal "source directory $srcdir doesn't exist"
-
-[ "$multiconnection" == "notset" ] && fatal "The maildir handler uses a very different destination format. See the example .maildir for more information"
-
-[ ! $test ] || testflags="--dry-run -v"
-rsyncflags="$testflags -e 'ssh -p $destport' -r -v --ignore-existing --delete --size-only --bwlimit=$speedlimit"
-excludes="--exclude '.Trash/\*' --exclude '.Mistakes/\*' --exclude '.Spam/\*'"
-
-##################################################################
-### FUNCTIONS
-
-function do_user() {
-	local user=$1
-	local btype=$2
-	local letter=${user:0:1}
-	local source="$srcdir/$letter/$user/"
-	local target="$destdir/$letter/$user/$btype.1"
-	if [ ! -d $source ]; then
-	  warning "maildir $source not found"
-	  return
-    fi
-
-	debug "syncing"
-	ret=`$RSYNC -e "ssh -p $destport" -r \
-		--links --ignore-existing --delete --size-only --bwlimit=$speedlimit \
-		--exclude '.Trash/*' --exclude '.Mistakes/*' --exclude '.Spam/*' \
-		$source $destuser@$desthost:$target \
-		2>&1`
-	ret=$?
-	# ignore 0 (success) and 24 (file vanished before it could be copied)
-	if [ $ret != 0 -a $ret != 24 ]; then
-		warning "rsync $user failed"
-		warning "  returned: $ret"
-		let "failedcount = failedcount + 1"
-		if [ $failedcount -gt 100 ]; then
-			fatal "100 rsync errors -- something is not working right. bailing out."
-		fi
-	fi
-	ssh -o PasswordAuthentication=no $desthost -l $destuser "date +%c%n%s > $target/created"
-}
-
-# remove any maildirs from backup which might have been deleted
-# and add new ones which have just been created.
-# (actually, it just moved them to the directory "deleted")
-
-function do_remove() {
-	local tmp1=`maketemp maildir-tmp-file`
-	local tmp2=`maketemp maildir-tmp-file`
-	
-	ssh -p $destport $destuser@$desthost mkdir -p "$destdir/deleted"
-	for i in a b c d e f g h i j k l m n o p q r s t u v w x y z; do
-		ls -1 "$srcdir/$i/" | sort > $tmp1
-		ssh -p $destport $destuser@$desthost ls -1 "$destdir/$i/" | sort > $tmp2
-		for deluser in `join -v 2 $tmp1 $tmp2`; do
-			[ "$deluser" != "" ] || continue
-			info "removing $destuser@$desthost:$destdir/$i/$deluser/"
-			ssh -p $destport $destuser@$desthost mv "$destdir/$i/$deluser/" "$destdir/deleted"
-		done
-	done
-	rm $tmp1
-	rm $tmp2
-}
-
-function do_rotate() {
-	[ "$rotate" == "yes" ] || return;
-	local user=$1
-	local letter=${user:0:1}
-	local backuproot="$destdir/$letter/$user"
-(
-	ssh -T -o PasswordAuthentication=no $desthost -l $destuser <<EOF
-##### BEGIN REMOTE SCRIPT #####
-	seconds_daily=86400
-	seconds_weekly=604800
-	seconds_monthly=2628000
-	keepdaily=$keepdaily
-	keepweekly=$keepweekly
-	keepmonthly=$keepmonthly
-	now=\`date +%s\`
-
-	if [ ! -d "$backuproot" ]; then
-		echo "Debug: skipping rotate of $user. $backuproot doesn't exist."
-		exit
-	fi
-	for rottype in daily weekly monthly; do
-		seconds=\$((seconds_\${rottype}))
-
-		dir="$backuproot/\$rottype"
-		if [ ! -d \$dir.1 ]; then
-			echo "Debug: \$dir.1 does not exist, skipping."
-			continue 1
-		elif [ ! -f \$dir.1/created ]; then
-			echo "Warning: \$dir.1/created does not exist. This backup may be only partially completed. Skipping rotation."
-			continue 1
-		fi
-		
-		# Rotate the current list of backups, if we can.
-		oldest=\`find $backuproot -type d -maxdepth 1 -name \$rottype'.*' | @SED@ 's/^.*\.//' | sort -n | tail -1\`
-		#echo "Debug: oldest \$oldest"
-		[ "\$oldest" == "" ] && oldest=0
-		for (( i=\$oldest; i > 0; i-- )); do
-			if [ -d \$dir.\$i ]; then
-				if [ -f \$dir.\$i/created ]; then
-					created=\`tail -1 \$dir.\$i/created\`
-				else
-					created=0
-				fi
-				cutoff_time=\$(( now - (seconds*(i-1)) ))
-				if [ ! \$created -gt \$cutoff_time ]; then
-					next=\$(( i + 1 ))
-					if [ ! -d \$dir.\$next ]; then
-						echo "Debug: \$rottype.\$i --> \$rottype.\$next"
-						mv \$dir.\$i \$dir.\$next
-						date +%c%n%s > \$dir.\$next/rotated
-					else
-						echo "Debug: skipping rotation of \$dir.\$i because \$dir.\$next already exists."
-					fi
-				else
-					echo "Debug: skipping rotation of \$dir.\$i because it was created" \$(( (now-created)/86400)) "days ago ("\$(( (now-cutoff_time)/86400))" needed)."
-				fi
-			fi
-		done
-	done
-
-	max=\$((keepdaily+1))
-	if [ \( \$keepweekly -gt 0 -a -d $backuproot/daily.\$max \) -a ! -d $backuproot/weekly.1 ]; then
-		echo "Debug: daily.\$max --> weekly.1"
-		mv $backuproot/daily.\$max $backuproot/weekly.1
-		date +%c%n%s > $backuproot/weekly.1/rotated
-	fi
-
-	max=\$((keepweekly+1))
-	if [ \( \$keepmonthly -gt 0 -a -d $backuproot/weekly.\$max \) -a ! -d $backuproot/monthly.1 ]; then
-		echo "Debug: weekly.\$max --> monthly.1"
-		mv $backuproot/weekly.\$max $backuproot/monthly.1
-		date +%c%n%s > $backuproot/monthly.1/rotated
-	fi
-
-	for rottype in daily weekly monthly; do
-		max=\$((keep\${rottype}+1))
-		dir="$backuproot/\$rottype"
-		oldest=\`find $backuproot -type d -maxdepth 1 -name \$rottype'.*' | @SED@ 's/^.*\.//' | sort -n | tail -1\`
-		[ "\$oldest" == "" ] && oldest=0 
-		# if we've rotated the last backup off the stack, remove it.
-		for (( i=\$oldest; i >= \$max; i-- )); do
-			if [ -d \$dir.\$i ]; then
-				if [ -d $backuproot/rotate.tmp ]; then
-					echo "Debug: removing rotate.tmp"
-					rm -rf $backuproot/rotate.tmp
-				fi
-				echo "Debug: moving \$rottype.\$i to rotate.tmp"
-				mv \$dir.\$i $backuproot/rotate.tmp
-			fi
-		done
-	done
-####### END REMOTE SCRIPT #######
-EOF
-) | (while read a; do passthru $a; done)
-
-}
-
-
-function setup_remote_dirs() {
-	local user=$1
-	local backuptype=$2
-	local letter=${user:0:1}
-	local dir="$destdir/$letter/$user/$backuptype"
-	local tmpdir="$destdir/$letter/$user/rotate.tmp"
-(
-	ssh -T -o PasswordAuthentication=no $desthost -l $destuser <<EOF
-		if [ ! -d $destdir ]; then
-			echo "Fatal: Destination directory $destdir does not exist on host $desthost."
-			exit 1
-		elif [ -d $dir.1 ]; then
-			if [ -f $dir.1/created ]; then
-				echo "Warning: $dir.1 already exists. Overwriting contents."
-			else
-				echo "Warning: we seem to be resuming a partially written $dir.1"
-			fi
-		else
-			if [ -d $tmpdir ]; then
-				mv $tmpdir $dir.1
-				if [ \$? == 1 ]; then
-					echo "Fatal: could mv $destdir/rotate.tmp $dir.1 on host $desthost"
-					exit 1
-				fi
-			else
-				mkdir --parents $dir.1
-				if [ \$? == 1 ]; then
-					echo "Fatal: could not create directory $dir.1 on host $desthost"
-					exit 1
-				fi
-			fi
-			if [ -d $dir.2 ]; then
-				echo "Debug: update links $backuptype.2 --> $backuptype.1"
-				cp -alf $dir.2/. $dir.1
-				#if [ \$? == 1 ]; then
-				#	echo "Fatal: could not create hard links to $dir.1 on host $desthost"
-				#	exit 1
-				#fi
-			fi
-		fi
-		[ -f $dir.1/created ] && rm $dir.1/created
-		[ -f $dir.1/rotated ] && rm $dir.1/rotated
-		exit 0
-EOF
-) | (while read a; do passthru $a; done)
-
-	if [ $? == 1 ]; then exit; fi
-}
-
-function start_mux() {
-	if [ "$multiconnection" == "yes" ]; then
-		debug "Starting dummy ssh connection"
-		ssh -p $destport $destuser@$desthost sleep 1d &
-        sleep 1
-	fi
-}
-
-function end_mux() {
-	if [ "$multiconnection" == "yes" ]; then
-		debug "Stopping dummy ssh connection"
-		ssh -p $destport $destuser@$desthost pkill sleep
-	fi
-}
-
-###
-##################################################################
-
-# see if we can login
-debug "ssh -o PasswordAuthentication=no $desthost -l $destuser 'echo -n 1'"
-if [ ! $test ]; then
-	result=`ssh -o PasswordAuthentication=no $desthost -l $destuser 'echo -n 1' 2>&1`
-	if [ "$result" != "1" ]; then
-		fatal "Can't connect to $desthost as $destuser."
-	fi
-fi
-
-end_mux
-start_mux
-
-## SANITY CHECKS ##
-status=`ssh -p $destport $destuser@$desthost "[ -d \"$destdir\" ] && echo 'ok'"`
-if [ "$status" != "ok" ]; then
-	end_mux
-	fatal "Destination directory $destdir doesn't exist!"
-    exit
-fi
-
-### REMOVE OLD MAILDIRS ###
-
-if [ "$remove" == "yes" ]; then
-	do_remove
-fi
-
-### MAKE BACKUPS ###
-
-if [ "$backup" == "yes" ]; then
-	if [ $keepdaily -gt 0 ]; then btype=daily
-	elif [ $keepweekly -gt 0 ]; then btype=weekly
-	elif [ $keepmonthly -gt 0 ]; then btype=monthly
-	else fatal "keeping no backups"; fi
-	
-	if [ "$testuser" != "" ]; then
-		cd "$srcdir/${user:0:1}"
-		do_rotate $testuser
-		setup_remote_dirs $testuser $btype
-		do_user $testuser $btype
-	else
-		for i in $letters; do
-			[ -d "$srcdir/$i" ] || fatal "directory $srcdir/$i not found."
-			cd "$srcdir/$i"
-			debug $i
-			for user in `ls -1`; do
-				[ "$user" != "" ] || continue
-				debug $user
-				do_rotate $user
-				setup_remote_dirs $user $btype
-				do_user $user $btype
-			done
-		done
-	fi
-fi
-
-end_mux
-