#!/usr/bin/env bash

function log() {
        echo "$(date -u): /opt/rxt/nfs-rsync.sh - $@" >> /var/log/nfs-rsync-job.log
}

# Empty previous log
truncate -s0 /var/log/nfs-rsync.log

# First check that /content is mounted
if grep -q /content /proc/mounts ; then
        log target mount exist, continuing.
else
        log FAILED. target mount is missing.
        exit 1
fi

# Check if rsync is already running
if pgrep -f 'rsync.*/var/log/nfs-rsync.log'; then
        log WARNING. another instance of /opt/rxt/nfs-rsync.sh is already running. skipping this run.
        exit 1
fi

if rsync -axz --delete-delay --ignore-missing-args --stats --log-file=/var/log/nfs-rsync.log 192.168.102.62:/san/nfs-fs/ /content/; then
        log OK. rsync completed successfully
else
        log FAILED. rsync did not complete with exit code $?. please refer to /var/log/nfs-rsync.log for additional details.
fi