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#!/bin/bash
## example host config
# set_vars root karif
#
# run_ssh $src /root/backup.pl start
#
# run_ssh backup@$host "cd /home/backup/mysql-dumps; /home/backup/create-mysql-dumps"
# run_ssh backup@$host "cd /home/backup/psql-dumps; /home/backup/create-psql-dumps"
# backup_rsync "$src:/home/backup/mysql-dumps/" "$dst/mysql-dumps/"
# backup_rsync "$src:/home/backup/psql-dumps/" "$dst/psql-dumps/"
# run_ssh backup@$host "rm -f /home/backup/mysql-dumps/*.sql.gz"
# run_ssh backup@$host "rm -f /home/backup/psql-dumps/*.dump"
#
# backup_rsync --filter=". /mnt/backup/filters/karif_root_filter" "$src:/mnt/snapshots/vg0-root/" "$dst/root/"
# backup_rsync --filter=". /mnt/backup/filters/karif_home_filter" "$src:/mnt/snapshots/vg0-home/" "$dst/home/"
# backup_rsync "$src:/boot/" "$dst/boot/"
#
# run_ssh $src /root/backup.sh stop
#
# create_and_clean_snapshots "$dst_fs"
set -e
backup_rsync() {
local dir="${@: -1}"
mkdir -p "$dir"
rsync --rsh="/usr/bin/ssh -i /root/.ssh/id_rsa-backup" --delete --numeric-ids --delete-excluded --max-delete=100000 -axEAXHv "$@"
}
run_ssh() {
ssh -i /root/.ssh/id_rsa-backup "$@"
}
set_vars() {
user="$1"
host="$2"
src="$user@$host"
dst_fs="$backup_fs_base/$host"
dst="$(zfs get mountpoint -o value -H "$dst_fs")"
}
create_snapshots() {
local dst_fs=$1
if [[ "$(date +%d)" = "01" ]]; then
/root/zfs_create_dated_snapshot.sh "$dst_fs" monthly
fi
if [[ "$(date +%u)" = "7" ]]; then
/root/zfs_create_dated_snapshot.sh "$dst_fs" weekly
fi
/root/zfs_create_dated_snapshot.sh "$dst_fs" daily
}
clean_snapshots() {
local dst_fs=$1
/root/zfs_snapshot_cleanup.sh "$dst_fs" daily 14
/root/zfs_snapshot_cleanup.sh "$dst_fs" weekly 6
/root/zfs_snapshot_cleanup.sh "$dst_fs" monthly 4
}
create_and_clean_snapshots() {
local dst_fs=$1
create_snapshots "$dst_fs"
clean_snapshots "$dst_fs"
}
backup_fs_base="data/backup_zfs/backups"
if (($#<1)); then
echo "usage: ${0##*/} <hostname>"
exit 1
fi
source "${0%/*}/host-configs/$1"
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