nfsbackupscript/nfsbckpscript.sh at main · wangerion/nfsbackupscript · GitHub

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#!/bin/bash

#You can leave these as comments if you wish to implement logrotate for the output of this script.
#truncate -s 0 *errors.log
#truncate -s 0 *output.log

mount_checker () {
    if mountpoint -q "$1";
    then
        return 0
    else
        mount "$1"
        if mountpoint -q "$1";
        then
            echo "NFS $1 succesfully mounted." >> "$current_date"_errors.log
            return 0
        fi
        echo "NFS $1 is not mounted." >> "$current_date"_errors.log
        return 1
    fi
}

current_date=$(date +%d-%m-%Y)
#nfs_var=( $(mount -l | grep nfs | awk '{print $3}') )
nfs_var=("/dba" "/dba2" "/backup")
#declare -p nfs_var
excluded_nfs=/backup

#If the backup mountpoint is mounted we can start the rsync process
if mount_checker $excluded_nfs;
then
    #Iterating over the mount points in the list provided.
    for value in "${nfs_var[@]}"
    do
        if [[ $value != "$excluded_nfs" ]]
        then
            if mount_checker "$value";
            then
                rsync -auvPq "$value"/ $excluded_nfs/"$value" --dry-run &>> "$current_date"_output.log
                #if the last exit code was not eq to 0 then try again the rsync process
                if [ "$?" -ne "0" ]
                then
                    rsync -auvPq "$value"/ $excluded_nfs/"$value" --dry-run 2>> "$current_date"_errors.log
                    echo "Script ran once more for $value" >> "$current_date"_errors.log
                fi
            fi
        fi
    done
fi
#Size is > 0 bytes
if [[ -s "$current_date"_errors.log ]]
then
    echo "Take a look at the attached." | mail -s "$current_date" user@example.com -A "$current_date"_errors.log
fi