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107 lines
3.3 KiB
107 lines
3.3 KiB
#! /bin/bash
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set -e
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TOP_DIR=/mirror
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TO=$TOP_DIR/root/debian-cd
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RSYNC_HOST=cdimage.debian.org
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RSYNC_DIR=debian-cd
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LOGDIR=/var/log/mirror/debian-cd_cdimage.debian.org
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ADDRESS=$(cat ~/config/ADDRESS)
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mkdir -p $LOGDIR
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# LOCK_TIMEOUT is a timeout in minutes. Defaults to 360 (6 hours).
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# This program creates a lock to ensure that only one copy
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# of it is mirroring any one archive at any one time.
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# Locks held for longer than the timeout are broken, unless
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# a running rsync process appears to be connected to $RSYNC_HOST.
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LOCK_TIMEOUT=360
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# There should be no need to edit anything below this point, unless there
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# are problems.
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#-----------------------------------------------------------------------------#
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# If you are accessing a rsync server/module which is password-protected,
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# uncomment the following lines (and edit the other file).
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# . ftpsync.conf
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export RSYNC_PASSWORD
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if [[ "$RSYNC_USER" != "" ]]; then
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RSYNC_HOST=$RSYNC_USER@$RSYNC_HOST
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fi
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#-----------------------------------------------------------------------------#
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# Check for some environment variables
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if [ -z $TO ] || [ -z $RSYNC_HOST ] || [ -z $RSYNC_DIR ] || [ -z $LOGDIR ]; then
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echo "One of the following variables seems to be empty:"
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echo "TO, RSYNC_HOST, RSYNC_DIR or LOGDIR"
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exit 2
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fi
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# Note: on some non-Debian systems, hostname doesn't accept -f option.
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# If that's the case on your system, make sure hostname prints the full
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# hostname, and remove the -f option. If there's no hostname command,
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# explicitly replace `hostname -f` with the hostname.
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HOSTNAME=`hostname -f`
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# The hostname must match the "Site" field written in the list of mirrors.
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# If hostname doesn't returns the correct value, fill and uncomment below
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HOSTNAME=mirror.csclub.uwaterloo.ca
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LOCK="${TO}/Archive-Update-in-Progress-${HOSTNAME}"
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# The temp directory used by rsync --delay-updates is not
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# world-readable remotely. It must be excluded to avoid errors.
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TMP_EXCLUDE="--exclude .~tmp~/"
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# Logfile
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LOGFILE=$LOGDIR/mirror.log
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# Get in the right directory and set the umask to be group writable
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#
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cd $HOME
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umask 002
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# Check to see if another sync is in progress
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if [ -f "$LOCK" ]; then
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# Note: this requires the findutils find; for other finds, adjust as necessary
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if [ "`find $LOCK -maxdepth 1 -amin -$LOCK_TIMEOUT`" = "" ]; then
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# Note: this requires the procps ps; for other ps', adjust as necessary
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if ps ax | grep '[r]'sync | grep -q $RSYNC_HOST; then
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echo "stale lock found, but a rsync is still running, aiee!" >&2
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exit 1
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else
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echo "stale lock found (not accessed in the last $LOCK_TIMEOUT minutes), forcing update!"
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rm -f $LOCK
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fi
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else
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echo "current lock file exists, unable to start rsync!"
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exit 1
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fi
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fi
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touch $LOCK
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# Note: on some non-Debian systems, trap doesn't accept "exit" as signal
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# specification. If that's the case on your system, try using "0".
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trap "rm -f $LOCK" exit
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set +e
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# Now sync the remaining stuff
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nice rsync -rlHtvp --delete \
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--timeout=3600 -4 --address=$ADDRESS $TMP_EXCLUDE \
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--exclude "Archive-Update-in-Progress-${HOSTNAME}" \
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$RSYNC_HOST::$RSYNC_DIR $TO >> $LOGFILE 2>&1
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if [[ "$?" != "0" ]]; then
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echo "ERROR: Help, something weird happened" | tee -a $LOGFILE
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echo "mirroring /pool exited with exitcode" $result | tee -a $LOGFILE
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fi
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savelog $LOGFILE >/dev/null
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rm $LOCK
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