new: [host] minimal host backup config

Signed-off-by: Valentin Lab <valentin.lab@kalysto.org>

precise/host/hooks/install.d/70-0k.sh

@@ -225,7 +225,6 @@ rm -rf /var/cache/compose
 
 cat <<EOF > /etc/default/datastore
 DATASTORE=/srv/datastore
-SNAPSHOT_BACKUP=/var/backups/snapshot
 EOF
 
 cat <<EOF > /etc/default/compose

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

@@ -8,3 +8,73 @@
 
 ln -sf /opt/apps/lxc-scripts/etc/cron.hourly/* /etc/cron.hourly/
 ln -sf /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