Restic backup to B2 Cloud Storage

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# /usr/local/etc/restic-env.sh
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export B2_ACCOUNT_ID='005853df61406f00002'
export B2_ACCOUNT_KEY='K02WMXFAh6MOVxyh1b233lMLyk\4vo'
export RESTIC_REPOSITORY=b2:server-01:restic
export RESTIC_PASSWORD_FILE=/root/restic/pw.restic
export BACKUP_PATHS="/opt /root /var/lib/automysqlbackup"
export EXCLUDES="--exclude data/logs/ --exclude database/"


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# /root/restic/pw.restic
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passw0rd


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# MAIN SCRIPT
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#!/usr/bin/env bash
# This script is to backup with restic to b2

# Exit on failure or pipefail
set -e -o pipefail

BACKUP_TAG=rundeck-restic

# How many backups to keep.
RETENTION_DAYS=14
RETENTION_WEEKS=16
RETENTION_MONTHS=18
RETENTION_YEARS=3

source /usr/local/etc/restic-env.sh
echo "To backup: $BACKUP_PATHS"

# Remove locks in case other stale processes kept them in
restic unlock &
wait $!

#Do the backup
restic backup \
    --verbose \
    --tag $BACKUP_TAG \
    $BACKUP_PATHS \
    $EXCLUDES &

wait $!

# Remove old Backups
restic forget \
    --verbose \
    --tag $BACKUP_TAG \
    --prune \
    --keep-daily $RETENTION_DAYS \
    --keep-weekly $RETENTION_WEEKS \
    --keep-monthly $RETENTION_MONTHS \
    --keep-yearly $RETENTION_YEARS &
wait $!

# Check if everything is fine
restic check &
wait $!

echo "Backup done!"