Create script for syncing backups to S3

s3-sync-backup.sh

@@ -0,0 +1,65 @@
+#!/usr/bin/bash 
+# Script for syncing backup to remote object storage (S3 based) using rclone.
+
+# Default values
+local_path=""
+remote_path=""
+email_from=""
+email_name=""
+email_to=""
+send_email_script_path="/etc/sg-send-email.sh"
+
+print_usage () {
+   echo "Usage: "$0" -l LOCAL_PATH -r REMOTE_PATH -f EMAIL_FROM -n EMAIL_NAME -t EMAIL_TO -s SEND_EMAIL_SCRIPT_PATH"
+   echo "LOCAL_PATH - local path to sync"
+   echo "REMOTE_PATH - remote path in format remote:bucket/path"
+   echo "EMAIL_FROM - sender's email address"
+   echo "EMAIL_NAME - sender's name"
+   echo "EMAIL_TO - recipient's email adress"
+   echo "SEND_EMAIL_SCRIPT_PATH - a path to the send email script (default: /etc/sg-send-email.sh)"
+}
+
+while getopts "l:r:f:n:t:s:h" opt
+do
+   case $opt in
+      l)
+         local_path="${OPTARG}";;
+      r)
+         remote_path="${OPTARG}";;
+      f)
+         email_from="${OPTARG}";;
+      n)
+         email_name="${OPTARG}";;
+      t)
+         email_to="${OPTARG}";;
+      s)
+         send_email_script_path="${OPTARG}";;
+      h)
+         print_usage
+         exit 3
+         ;;
+   esac
+done
+
+# Check if script for sending emails is in place
+if [[ ! -f $send_email_script_path ]]; then
+    echo "Script \"$send_email_script_path\" does not exist"
+    exit 1
+fi
+
+# Run script and capture time and exit code
+start_time=$(date +'%Y-%m-%d %H:%M:%S')
+rclone sync ${local_path} ${remote_path} --log-file=/var/log/rclone-backup.log --log-level INFO
+exit_code="$?"
+end_time=$(date +'%Y-%m-%d %H:%M:%S')
+
+# Send email notification with sync status
+email_message="Start time: ${start_time}\nEnd time: ${end_time}"
+status="SUCCESSFUL"
+
+if [[ $exit_code -ne 0 ]]; then
+    status="FAILED"
+fi
+
+${send_email_script_path} -f ${email_from} -n ${email_name} -t ${email_to} -s "Backup sync to S3 status: ${status}" -m "${email_message}"
+