103 lines
2.6 KiB
Plaintext
103 lines
2.6 KiB
Plaintext
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#!/bin/bash
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# ----------------------------------------------------------------------------
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# FUNCTIONS
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# ----------------------------------------------------------------------------
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cleanup() {
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if [ "y" == "$MYSQL" ]; then
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umount -f /var/lib/mysql-snapshot || true
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lvremove -f /dev/vg0/mysql-snapshot || true
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fi
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}
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mount() {
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echo "mounting /var/lib/mysql-snapshot..."
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mkdir -p /var/lib/mysql-snapshot
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/bin/mount /dev/vg0/mysql-snapshot /var/lib/mysql-snapshot
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echo "mounted /var/lib/mysql-snapshot."
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}
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lock() {
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echo "locking database..."
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mysql << EOF
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FLUSH TABLES;
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FLUSH TABLES WITH READ LOCK;
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system lvcreate --snapshot -n mysql-snapshot -L16G /dev/vg0/mysql
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UNLOCK TABLES;
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EOF
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echo "database locked"
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}
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# ----------------------------------------------------------------------------
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# CONFIG
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# ----------------------------------------------------------------------------
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if [ ! -f /etc/systembackup.conf ]; then
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echo "systembackup not configured"
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exit 1
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fi
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source /etc/systembackup.conf
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if [ -z "$REPOSITORY" ]; then
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echo "REPOSITORY not set"
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exit 1
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fi
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if [ -z "$PASSPHRASE" ]; then
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echo "PASSPHRASE not set"
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exit 1
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fi
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# ----------------------------------------------------------------------------
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# SETUP
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# ----------------------------------------------------------------------------
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set -e
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trap cleanup SIGHUP SIGINT SIGTERM
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if [ "y" == "$MYSQL" ]; then
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lock
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mount
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fi
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# ----------------------------------------------------------------------------
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# BACKUP
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# ----------------------------------------------------------------------------
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BORG_PASSPHRASE=$PASSPHRASE /usr/bin/nice -n 19 /usr/bin/ionice -c2 -n7 borg create --stats -v \
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$REPOSITORY::'{hostname}-{now:%Y-%m-%d-%H}' \
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/ \
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--compression lzma \
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--exclude '/dev' \
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--exclude '/proc' \
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--exclude '/sys' \
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--exclude '/tmp' \
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--exclude '/run' \
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--exclude '/var/run' \
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--exclude '/mnt' \
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--exclude '/media' \
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--exclude 'lost+found' \
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--exclude '/var/cache/apt/archives/' \
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--exclude '/var/lib/lxcfs'
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--exclude '/var/lib/mysql'
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# ----------------------------------------------------------------------------
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# PRUNE
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# ----------------------------------------------------------------------------
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BORG_PASSPHRASE=$PASSPHRASE /usr/bin/nice -n 19 /usr/bin/ionice -c2 -n7 borg prune -v --list $REPOSITORY --prefix '{hostname}-' \
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--keep-hourly=6 --keep-daily=7 --keep-weekly=4 --keep-monthly=6
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# ----------------------------------------------------------------------------
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# CLEANUP
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# ----------------------------------------------------------------------------
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cleanup
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