55 lines
1.3 KiB
Text
55 lines
1.3 KiB
Text
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#!/bin/sh
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# shellcheck shell=ash
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# shellcheck source=/dev/null
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. /lib/functions/keepalived/common.sh
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if [ $# -lt 3 ]; then
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echo "$0 <vrrp_instance> <peer> <rsync_dir>"
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exit 1
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fi
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VRRP_INSTANCE=$1
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PEER=$2
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RSYNC_DIR=$3
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INOTIFY_ACTIONS="create,delete,modify,move,moved_to,moved_from"
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INOTIFY_PID=""
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TMP_DIR=/tmp/keepalived
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FIFO_FILE="$TMP_DIR"/inotifywait-$PEER.fifo
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daemonize_inotifywait() {
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/usr/bin/inotifywait -q -r --exclude '/\..+' -o "$FIFO_FILE" -m "$RSYNC_DIR" -e ${INOTIFY_ACTIONS} 2> /dev/null &
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INOTIFY_PID="$!"
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}
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main() {
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local inotify_action inotify_dir inotify_file
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local source_file target_file
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[ ! -d "$TMP_DIR" ] && mkdir "$TMP_DIR"
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mkfifo "${FIFO_FILE}" || exit 1
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daemonize_inotifywait
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while read -r inotify_dir inotify_action inotify_file; do
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source_file="${inotify_dir}${inotify_file}"
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target_file=$(echo "${inotify_dir}" | sed -e "s:${RSYNC_DIR}::g")"${inotify_file}"
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log_debug "received $target_file ($inotify_action) in $source_file"
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ACTION=NOTIFY_SYNC TYPE=peer NAME=$PEER INSTANCE=$VRRP_INSTANCE \
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RSYNC_SOURCE="${source_file}" RSYNC_TARGET="${target_file}" \
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/sbin/hotplug-call keepalived
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done < "$FIFO_FILE"
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}
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TRAP() {
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[ -n "$INOTIFY_PID" ] && kill "$INOTIFY_PID"
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[ -e "$FIFO_FILE" ] && rm -f "$FIFO_FILE"
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}
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trap TRAP TERM INT
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main "$@"
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