0k-charms/precise/host/hooks/install.d/96-backup-lxc.sh

#!/bin/bash

## REQUIRES lxc-scripts, lxc

##
## Backup lxc
##

ln -sfv /opt/apps/lxc-scripts/etc/cron.hourly/* /etc/cron.hourly/
ln -sfv /opt/apps/lxc-scripts/etc/cron.daily/* /etc/cron.daily/


if ! grep ^BACKUP_LXC_PATH= /etc/default/lxc >/dev/null 2>&1; then
    echo "BACKUP_LXC_PATH=/var/backups/lxc" >> /etc/default/lxc
fi


if ! grep ^BACKUP_SNAPSHOT_PATH= /etc/default/datastore >/dev/null 2>&1; then
    echo "BACKUP_SNAPSHOT_PATH=/var/backups/snapshot" >> /etc/default/datastore
fi


##
## Mirror dir's logrotate and rsyslog's entry
##


mkdir -p /etc/mirror-dir
cat <<EOF > /etc/mirror-dir/config.yml
default:
  sources:
  - /etc
  - /opt
  - /root
  - /var/log
  - /var/lib/lxc
  - /home
  - /boot
  - /srv
  - /var/backups/lxc/latest

/var/lib/lxc:
  exclude:
    - /*/rootfs
EOF


cat <<EOF > /etc/rsyslog.d/mirror-dir.conf

if \$programname == 'mirror-dir' then {
  action(type="omfile" file="/var/log/mirror-dir.log")
  stop
}

EOF

service rsyslog restart


cat <<EOF > /etc/logrotate.d/mirror-dir.log
/var/log/mirror-dir.log
{
    weekly
    missingok
    dateext
    dateyesterday
    dateformat _%Y-%m-%d
    extension .log
    rotate 52
    compress
    delaycompress
    notifempty
    create 640 root root
    sharedscripts
    postrotate
        reload rsyslog >/dev/null 2>&1 || true
    endscript
}

EOF