created
authorElijah Saxon <elijah@riseup.net>
Wed, 19 Jan 2005 19:37:30 +0000 (19:37 +0000)
committerElijah Saxon <elijah@riseup.net>
Wed, 19 Jan 2005 19:37:30 +0000 (19:37 +0000)
handlers/maildir

index 522bf315028d6c23ba3bf3d424dd42bf66d886ab..8de2b979b7a959f2b3d36e948f00920e29770dcb 100644 (file)
@@ -30,21 +30,24 @@ getconf desthost
 getconf destport 22
 getconf destuser
 
+failedcount=0
+
 # strip trailing /
 destdir=${destdir%/}
 srcdir=${srcdir%/}
 
 # used for testing
-getconf letter
-getconf user
+#getconf letter
+#getconf testuser elijah
+getconf backup yes
+#letters=e
+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"
 
 [ -d $srcdir ] || fatal "source directory $srcdir doesn't exist"
 
 [ ! $test ] || testflags="--dry-run -v"
-rsyncflags="$testflags -e 'ssh -p $destport'"
-flags_mail="$rsyncflags --archive --ignore-existing --delete --numeric-ids --size-only --bwlimit=$speedlimit"
-flags_folders="$rsyncflags --archive --delete --numeric-ids"
-excludes='--exclude ".Trash/*" --exclude ".Mistakes/*" --exclude ".Spam/*"'
+rsyncflags="$testflags -e 'ssh -p $destport' -r -v --ignore-existing --delete --size-only --bwlimit=$speedlimit"
+excludes="--exclude '.Trash/\*' --exclude '.Mistakes/\*' --exclude '.Spam/\*'"
 
 # see if we can login
 debug "ssh -o PasswordAuthentication=no $desthost -l $destuser 'echo -n 1'"
@@ -58,47 +61,38 @@ fi
 ##################################################################
 ### FUNCTIONS
 
-# remote run the args remotely
-function rrun() {
-       debug ssh -o PasswordAuthentication=no $desthost -l $destuser $@
-       if [ ! $test ]; then
-               debug ssh -o PasswordAuthentication=no $desthost -l $destuser $@
-       fi
-}
-
-function do_letters() {
-       for i in a b c d e f g h i j k l m n o p q r s t u v w x y z; do
-               do_maildirs "$srcdir/$i"
-       done
-}
-
-function do_maildirs() {
-       local dir=$1
-       [ -d $dir ] || fatal "directory $dir not found."
-       for userdir in `ls -1 $dir`; do
-               do_userdir $userdir
-       done
-}
-
 function do_user() {
        local user=$1
+       local destdir=$2
        local letter=${user:0:1}
        local dir="$srcdir/$letter/$user"
        [ -d $dir ] || fatal "maildir $dir not found".
 
-       while 1; do
-               load=`uptime | sed 's/^.*load average: \\([^,]*\\).*$/\\1/'`
-               if [ $load -lt $loadlimit ]; then
-                       info "load $load, sleeping..."
-                       sleep 600
-               else
-                       break
-               fi
-       done
+#      while true; do
+#              load=`uptime | sed 's/^.*load average: \\([^,]*\\).*$/\\1/'`
+#              over=`expr $load \> $loadlimit`
+#              if [ $over == 1 ]; then
+#                      info "load $load, sleeping..."
+#                      sleep 600
+#              else
+#                      break
+#              fi
+#      done
        
-       cmd="rsync $maildirrsyncflags $excludes '$dir' '$destuser@$desthost:$destdir/maildir/$letter'"
-       debug $cmd
-       # ret=`rsync $maildirrsyncflags $excludes '$dir' '$destuser@$desthost:$destdir/maildir/$letter' 2>&1`
+       cmd="$RSYNC $rsyncflags $excludes $dir $destuser@$desthost:$destdir/$letter"
+       ret=`rsync -e "ssh -p $destport" -r \
+--links --ignore-existing --delete --size-only --bwlimit=$speedlimit \
+--exclude '.Trash/*' --exclude '.Mistakes/*' --exclude '.Spam/*' \
+$dir $destuser@$desthost:$destdir/$letter \
+2>&1`
+       if [ $? != 0 ]; 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
 }
 
 # remove any maildirs from backup which might have been deleted
@@ -123,6 +117,8 @@ function do_remove() {
 function do_rotate() {
        backuproot=$destdir
 
+(
+       debug Connecting to $desthost
        ssh -T -o PasswordAuthentication=no $desthost -l $destuser <<EOF
 ##### BEGIN REMOTE SCRIPT #####
        seconds_daily=86400
@@ -146,7 +142,8 @@ function do_rotate() {
                fi
                
                # Rotate the current list of backups, if we can.
-               oldest=\`ls -d \$dir.* | sed 's/^.*\.//' | sort -n | tail -1\`
+               oldest=\`find $backuproot -type d -maxdepth 1 -name \$rottype'.*' | sed 's/^.*\.//' | sort -n | tail -1\`
+               echo "Debug: oldest \$oldest"
                [ "\$oldest" == "" ] && oldest=0
                for (( i=\$oldest; i > 0; i-- )); do
                        if [ -d \$dir.\$i ]; then
@@ -189,21 +186,75 @@ function do_rotate() {
        for rottype in daily weekly monthly; do
                max=\$((keep\${rottype}+1))
                dir="$backuproot/\$rottype"
-               oldest=\`ls -d \$dir.* | sed 's/^.*\.//' | sort -n | tail -1\`
+               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
-                               echo "Info: removing \$dir.\$i"
-                               rm -rf \$dir.\$i
+                               if [ -d $backuproot/rotate.tmp ]; then
+                                       echo "Info: removing $backuproot/rotate.tmp"
+                                       rm -rf $backuproot/rotate.tmp
+                               else
+                                       echo "Info: moving \$dir.\$i to $backuproot/rotate.tmp"
+                                       mv \$dir.\$i $backuproot/rotate.tmp
+                               fi
                        fi
                done
        done
 ####### END REMOTE SCRIPT #######
 EOF
+) | (while read a; do passthru $a; done)
+
 }
 
 
+function setup_remote_dirs() {
+       local backuptype=$1
+       local dir="$destdir/$backuptype"
+
+(
+       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 $destdir/rotate.tmp ]; then
+                               mv $destdir/rotate.tmp $dir.1
+                               if [ \$? == 1 ]; then
+                                       echo "Fatal: could mv $destdir/rotate.tmp $dir.1 on host $desthost"
+                                       exit 1
+                               fi
+                       else
+                               mkdir $dir.1
+                               if [ \$? == 1 ]; then
+                                       echo "Fatal: could not create directory $dir.1 on host $desthost"
+                                       exit 1
+                               fi
+                       fi
+                       if [ -d $destdir/$backuptype.2 ]; then
+                               echo "Info: updating hard links to $dir.1. This may take a while."
+                               cp -al $destdir/$backuptype.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
+}
+
 ###
 ##################################################################
 
@@ -219,12 +270,25 @@ if [ "$remove" == "yes" ]; then
        debug remove
 fi
 
-### ROTATE BACKUPS ###
+### MAKE BACKUPS ###
 
-if [ "$letter" != "" ]; then
-       debug letter
-fi
+if [ "$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
+
+       setup_remote_dirs $btype
+       
+       for i in $letters; do
+               [ -d "$srcdir/$i" ] || fatal "directory $srcdir/$i not found."
+               cd "$srcdir/$i"
+               debug $i
+               for user in `ls -1`; do
+                       if [ "$testuser" != "" -a "$testuser" != "$user" ]; then continue; fi
+                       do_user $user $destdir/$btype.1
+               done
+       done
 
-if [ "$user" != "" ]; then
-       debug user
+       ssh -o PasswordAuthentication=no $desthost -l $destuser "date +%c%n%s > $destdir/$btype.1/created"
 fi