Test whether a Cloudfuse mount is writable. If it isn't then re-mount it.

mounty.sh

#! /bin/bash

#
# Author: Ash Davies
# Description: Checks a Cloudfuse mountpoint and reinitialises it if the mount goes missing
#

VOLUME="/path/to/content/uploads"
PROBE="$VOLUME/mounty.probe"
FOLDER="/path/to/cloudfuse/mount/"
DATETIME=$(date)

# Check if the mount point still exists
if [[ $(findmnt -M "$FOLDER") ]]; then
    logger "[Mounty] $FOLDER is still mounted"
    
    # Now check to see if it's writable
    if [[ -w "$FOLDER" ]]; then
        logger "[Mounty] $FOLDER is still writable";

        # Now see if the file exists
        if [[ -f "$PROBE" ]]; then
            logger "[Mounty] $PROBE is still locatable";
        else
            logger "[Mounty] $PROBE cannot be found";
            logger "[Mounty] $FOLDER is not mounted! Attemping to remount"
            umount /path/to/cloudfuse/mount/
            mount -a
            echo "[Mounty] The volume '$FOLDER' had to be remounted at $DATETIME" | mail -s "[Mounty] Cloudfuse mount problem detected" myemail@domain
        fi
    else
        logger "[Mounty] $FOLDER is no longer writable";
        logger "[Mounty] $FOLDER is not mounted! Attemping to remount"
        umount /path/to/cloudfuse/mount/
        mount -a
        echo "[Mounty] The volume '$FOLDER' had to be remounted at $DATETIME" | mail -s "[Mounty] Cloudfuse mount problem detected" myemail@domain
    fi
else
    logger "[Mounty] $FOLDER is not mounted! Attemping to remount"
    umount /path/to/cloudfuse/mount/
    mount -a
    echo "[Mounty] The volume '$FOLDER' had to be remounted at $DATETIME" | mail -s "[Mounty] Cloudfuse mount problem detected" myemail@domain
fi