A bash script to automatically backup Plastic SCM's backend files to OneDrive.

backupdatabases.sh

#!/bin/bash

# A simple script to backup Plastic SCM's backend data, notifying IFTTT in the
# process.
#
# Usage: ./backupdatabases.sh <encrypt password>
#
# Author: Sergio Luis Para
#   Year: 2018

# CUSTOMIZE THESE FIELDS AS NEEDED.
IFTTTKEY=""                           # Your IFTTT key to connect to the maker API.
                                      # You can get yours clicking on "Documentation" at:
                                      #     https://ifttt.com/maker_webhooks

TEMP="/tmp/"                          # Temporal path to store intermediate files.
JETFILES="/var/lib/plasticscm/jet/"   # Jet backend files' location.
REMOTEPATH="od:/plasticbackups"       # OneDrive path to store the backups.

DATEFORMAT="$(date +'%Y%m%d_%H%M%S')" # Backup filename formats.
ZIPFILE="$TEMP$DATEFORMAT".tar.7z
GPGFILE="$ZIPFILE".gpg

IFTTT_START="https://maker.ifttt.com/trigger/plastic_backup_start/with/key/$IFTTTKEY"
IFTTT_SUCCESS="https://maker.ifttt.com/trigger/plastic_backup_success/with/key/$IFTTTKEY"
IFTTT_FAIL="https://maker.ifttt.com/trigger/plastic_backup_fail/with/key/$IFTTTKEY"

function notify {
    if [ $# -eq 1 ];
    then
        BODY="{\"value1\" : \"$HOSTNAME\"}"
        URL=$1
    else
        BODY="{\"value1\" : \"$HOSTNAME\", \"value2\" : \"$1\"}"
        URL=$2
    fi

    echo $BODY
    echo $URL

    curl -s --header "Content-Type: application/json" -d "$BODY" $URL >/dev/null
}

function checkError {
    if [ $? -ne 0 ];
    then
        echo $1
        notify "$1" "$2"
        exit 1
    fi
}

if [ "$#" -ne 1 ];
then
    echo "Usage: ./backupdatabases.sh <encrypt password>"
    exit 1
fi

PASS=$1

if [ ! -d $TEMP ];
then
    ERROR_MSG="Temporal dir $TEMP does not exist."
    echo $ERROR_MSG
    notify "$ERROR_MSG" "$IFTTT_FAIL"
    exit -1
fi

echo "$(date +'%d/%m/%Y %H:%M:%S') STARTING BACKUP"

notify "$IFTTT_START"

cm admin readonly enter
if [ $? -ne 0 ] && [ "$(pidof plasticd)" != "" ];
then
    ERROR_MSG="The Plastic SCM Server is running, but could not enter readonly mode." 
    notify "$ERROR_MSG" "$IFTTT_ERROR"
    exit 1
fi

tar cf - $JETFILES | 7za a -t7z -m0=lzma -mx=5 -mfb=64 -md=32m -ms=on -si $ZIPFILE
checkError "Error generating tar archive." "$IFTTT_FAIL"

cm admin readonly leave

echo $PASS | gpg --batch --yes --passphrase-fd 0 -c $ZIPFILE
checkError "Error encrypting tar archive." "$IFTTT_FAIL"

onedrivecmd put $GPGFILE $REMOTEPATH
checkError "Error uploading backup to OneDrive." "$IFTTT_FAIL"

echo "$(date +'%d/%m/%Y %H:%M') BACKUP FINISHED"

rm "$TEMP"*

notify "$IFTTT_SUCCESS"