lxd-autosnapshot

LXD Autosnapshot script

Install

download and decompress in any place

wget https://github.com/kattunga/lxd-autosnapshot/archive/v0.2.tar.gz
tar -xvf v0.2.tar.gz
sudo mv lxd-autosnapshot-0.2 /opt/lxd-autosnapshot

Configure

Create the configuration files for the source and target systems and then edit the configuration files using your preferred text editor.

cd /opt/lxd-autosnapshot
sudo ./config
sudo nano lxd-autosnapshot.conf  

###lxd-autosnapshot.conf

Please check to ensure DATE points to the GNU date command in the lxd-autosnapshot file.

Minimally, in lxd-autosnapshot.conf you need to specify

• the email addresses you want to use to email errors/logs from and to
• the lock path and log file

# email settings
mail_from=root@example.com
mail_to=user@example.com
mail_subject=lxd-autosnapshot

#process files/paths
LOCK_PATH=/var/lock
LOG_FILE=/var/log/lxd-autosnapshot.log

You may need to change the LOCK_PATH and LOG_FILE location to match the standard locations for your *nix installation. LOCK_PATH could be set to /var/lock, /var/lock/subsys, or even /tmp

Create the log file with:

sudo touch /var/log/lxd-autosnapshot.log

Usage

See './lxd-autosnapshot --help'.

Hourly snapshot crontab entry

0 * * * *  /opt/lxd-autosnapshot/lxd-autosnapshot --source cn01 --prefix "hour-" --snap-retain "-2 days"