125 lines
2.8 KiB
Bash
Executable file
125 lines
2.8 KiB
Bash
Executable file
#!/bin/sh
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set -eu
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umask 022
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LOCKFILE="/var/run/sync-mirrors/lockfile"
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LOGFILE="/var/log/sync-mirrors/sync-mirrors-$(date +%Y%m%d%H%M%S).log"
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CONFDIR="/etc/sync-mirrors"
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usage() {
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echo "Usage: $(basename "$0") [-v] [mirror]" 1>&2
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echo " $(basename "$0") -l" 1>&2
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}
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list_mirrors() {
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for f in "$CONFDIR"/*.conf ; do
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basename "$f" ".conf"
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done
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}
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logmsg() {
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"$VERBOSE" && echo "$1"
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echo "$(date '+%Y/%m/%d %H:%M:%S') [$$] $1" >> "$LOGFILE"
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}
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logstream() {
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while read -r line; do
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logmsg "$line"
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done
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}
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if [ ! -d "$CONFDIR" ]; then
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echo "ERR: Config directory [${CONFDIR}] missing" 1>&2
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exit 1
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fi
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VERBOSE=false
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NOOP=""
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EXTRA_OPTS=""
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while getopts "vhln" c ; do
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case $c in
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v)
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VERBOSE=true
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EXTRA_OPTS="${EXTRA_OPTS} -v --progress"
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;;
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h)
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usage
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exit 0
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;;
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l)
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echo "Available mirrors:"
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list_mirrors | sed -e 's/^/ /'
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exit 0
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;;
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n)
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NOOP=" (DRY RUN)"
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EXTRA_OPTS="${EXTRA_OPTS} -n"
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;;
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*)
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usage
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exit 1
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;;
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esac
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done
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shift "$((OPTIND - 1))"
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if [ $# -eq 0 ]; then
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set -- $(list_mirrors)
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if [ $# -eq 0 ]; then
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echo "ERR: No configured mirrors found" 1>&2
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exit 1
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fi
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else
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for mirror in "$@" ; do
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if [ ! -f "${CONFDIR}/$1.conf" ]; then
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echo "ERR: No mirror named [$1]" 1>&2
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exit 1
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fi
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done
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fi
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if [ "$(whoami)" != "mirror" ]; then
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echo "ERR: Script needs to be run as mirror user" 1>&2
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exit 1
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fi
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if [ -f "$LOCKFILE" ]; then
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if kill -0 "$(cat $LOCKFILE)" ; then
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STARTED=" ($(stat --format='%y' $LOCKFILE))"
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echo "ERR: Lockfile exists${STARTED}, exiting" 1>&2
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exit 1
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else
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echo "WARN: Removing stale lock file..." 1>&2
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rm -f "$LOCKFILE"
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fi
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fi
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trap 'rm -f $LOCKFILE' INT TERM EXIT
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echo "$$" > "$LOCKFILE"
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for mirror in "$@" ; do
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POSTCMD=""
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SRC=""
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RSYNCOPTS=""
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# shellcheck source=/dev/null
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. "${CONFDIR}/${mirror}.conf"
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if [ "$SRC" = "" ]; then
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echo "ERR: No SRC set for mirror ${mirror} ..." 1>&2
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exit 1
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fi
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logmsg "Starting ${mirror} sync${NOOP}..."
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rsync -aH -4 $EXTRA_OPTS --numeric-ids --delete --delete-delay \
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--delay-updates --no-motd $RSYNCOPTS --log-file="$LOGFILE" \
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--exclude=.~tmp~/ "$SRC" "/srv/mirrors/${mirror}/"
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STATUS=$?
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if [ $STATUS -ne 0 ]; then
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echo "WARN: Encountered errors on ${mirror} sync, see ${LOGFILE} for details" 1>&2
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fi
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logmsg "Finished ${mirror} sync with exit status ${STATUS}${NOOP} ..."
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if [ "$POSTCMD" != "" ]; then
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logmsg "Running post for ${mirror} ..."
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$POSTCMD 2>&1 | logstream
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logmsg "Finished post for ${mirror} ..."
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fi
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done
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