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document MySQL Backup

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Joerg Lehmann 2021-08-11 19:36:40 +02:00
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commit 29d65832ec
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README.md
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@ -92,6 +92,38 @@ Check, wer gebanned ist:
## Backup Server ## Backup Server
```bash ```bash
Backup MySQL-DBs:
/usr/local/bin/backup-mysql-dbs.sh (sinngemaess, eine Zeile pro Container):
root@moby:/usr/local/bin# more backup-mysql-dbs.sh
#!/bin/bash
# Backup der MySQL DBs (Docker)
#
for container_name in $(docker ps --format "{{.Image}} {{.Names}}" |grep mysql |awk '{print $2}'); do
if [ -f /usr/local/bin/${container_name}.pwd ]; then
# im pwd-File muss "PWD=XXXX" (root) gesetzt werden
. /usr/local/bin/${container_name}.pwd
docker exec ${container_name} /usr/bin/mysqldump -u root --password=${PWD} --all-databases > /backup/mysql-databases-${container_name}-$(date +%Y%m%W).sql 2>/dev/null
else
>&2 echo "Password must be set as PWD=XXXX in /usr/local/bin/${container_name}.pwd"
fi
done
# Cleanup Old Backups
find /backup -type f -mtime +30 -exec rm {} \;
/etc/cron.d/backup-mysql-dbs:
# Backup MySQL DBs
#
45 5 * * * root /usr/local/bin/backup-mysql-dbs.sh >/dev/null
Restore: just in case:
cat backup.sql | docker exec -i CONTAINER /usr/bin/mysql -u root --password=root DATABASE
# apt install restic # apt install restic
# mkdir /backup # mkdir /backup
# mkdir /backup-restic # mkdir /backup-restic