mirror-env/roles/mirror/templates/mirror/bin/csc-sync-debian-cd

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