ansible/roles/postgresql_server/files/backup-database

#!/bin/bash
# Backup a database *locally* to /backups/.

# Sleep a bit so we do not have a thundering herd on db hosts
sleep $[ ( $RANDOM % 7200 )  + 1 ]s

DB=$1

# Make our latest backup
/usr/bin/pg_dump --exclude-table-data=sessions -C $DB | /usr/bin/pxz > /backups/$DB-$(date +%F).dump.xz

# Also, delete the backup from a few days ago.
rm -f /backups/$DB-$(date --date="1 days ago" +%F).dump.xz
Move postgres backup cron task inside a bash flavored script. 2014-01-13 16:16:18 +00:00			`#!/bin/bash`
			`# Backup a database locally to /backups/.`

add a random delay up to 1 hour for db backup jobs so we do not have a thundering herd on db01 2017-10-05 00:48:39 +00:00			`# Sleep a bit so we do not have a thundering herd on db hosts`
double this as sometimes it is too small a range 2017-10-10 01:15:16 +00:00			`sleep $[ ( $RANDOM % 7200 ) + 1 ]s`
add a random delay up to 1 hour for db backup jobs so we do not have a thundering herd on db01 2017-10-05 00:48:39 +00:00
Move postgres backup cron task inside a bash flavored script. 2014-01-13 16:16:18 +00:00			`DB=$1`

Delete old postgresql backups. 2014-11-12 16:56:44 +00:00			`# Make our latest backup`
use pxz for database dumps, might make them a good deal faster 2017-10-04 20:06:31 +00:00			`/usr/bin/pg_dump --exclude-table-data=sessions -C $DB \| /usr/bin/pxz > /backups/$DB-$(date +%F).dump.xz`
Delete old postgresql backups. 2014-11-12 16:56:44 +00:00
			`# Also, delete the backup from a few days ago.`
only keep the last backup on hosts, it iss copied to backup server anyhow 2018-06-07 23:38:46 +00:00			`rm -f /backups/$DB-$(date --date="1 days ago" +%F).dump.xz`