/syno-shutdown-after-snapshot-replication

Automatilly shutdown a Synology NAS after snapshot replication jobs have finished

Primary LanguageShellMIT LicenseMIT

SynoShutdownAfterSnapshotReplication

This scripts automatically shuts down a Synology NAS after a list of snapshot replication jobs have successfully completed.

1. Notes

  • All snapshot replications need to start after midnight on the same day.
  • The script will send warning messages if the tasks are not completed by 23:00.
  • If the NAS is booted manually after 06:00 the script will not shut it down to allow for maintenance/administration/other tasks.
  • The script is able to automatically update itself using git.

2. Installation

2.1 Install Git (optional)
  • install the package Git Server on your Synology NAS, make sure it is running (requires sometimes extra action in Package Center and SSH running)
  • alternatively add SynoCommunity to Package Center and install the Git package (https://synocommunity.com/)
  • you can also use entware (https://github.com/Entware/Entware)
2.2 Install this script (using git)
  • create a shared folder e. g. sysadmin (you want to restrict access to administrators and hide it in the network)
  • connect via ssh to the NAS and execute the following commands
# navigate to the shared folder
cd /volume1/sysadmin
# clone the following repo
git clone https://github.com/alexanderharm/syno-shutdown-after-snapshot-replication
# to enable autoupdate
touch syno-shutdown-after-snapshot-replication/autoupdate
2.3 Install this script (manually)
  • create a shared folder e. g. sysadmin (you want to restrict access to administrators and hide it in the network)
  • copy your synoShutdownAfterSnapshotReplication.sh to sysadmin using e. g. File Station or scp
  • make the script executable by connecting via ssh to the NAS and executing the following command
chmod 755 /volume1/sysadmin/synoShutdownAfterSnapshotReplication.sh

3. Setup

  • run script manually
sudo /volume1/sysadmin/syno-shutdown-after-snapshot-replication/synoShutdownAfterSnapshotReplication.sh  "<sharedFolder1>" "<sharedFolder2>"

AND/OR

  • create a task in the Task Scheduler via WebGUI
# Type
Scheduled task > User-defined script

# General
Task:    SynoShutdownAfterSnapshotReplication
User:    root
Enabled: yes

# Schedule
Run on the following days: Daily
First run time:            01:00
Frequency:                 Every 30 minute(s)
Last run time:				     23:30

# Task Settings
Send run details by email:      yes
Email:                          (enter the appropriate address)
Send run details only when
  script terminates abnormally: yes
  
User-defined script: /volume1/sysadmin/syno-shutdown-after-snapshot-replication/synoShutdownAfterSnapshotReplication.sh "<sharedFolder1>" "<sharedFolder2>"