By default, Cloudbreak uses a built-in PostgreSQL database to persist data.
For production environments, we suggest that you use an external database, an RDS served by your cloud provider.
If you choose to use the default database, you should know that Cloudbreak deployer includes features for dumping and restoring built-in databases.
Dump and Restore Database
Cloudbreak deployer uses Docker for the underlying infrastructure and uses Docker volume for storing data. There are two separate volumes:
- a volume called
commonfor storing live data
- a volume called
cbreak_dumpfor database dumps
You can override default live data volume any time by extending your
Profile with the following variable:
To create database dumps, execute the following commands:
cbd db dump common cbdb cbd db dump common uaadb cbd db dump common periscopedb
The dump command has an optional third parameter, the
name of the dump. If you give your dump a name, Cloudbreak deployer will create a symbolic link which points to the SQL dump. For example:
cbd db dump common cbdb name-of-the-dump
To list existing dumps, execute the
cbd db list-dumps command.
Each kind of database dump (cbdb, uaadb, periscopedb) has a link to the latest dump on the
cbreak_dump volume. During the restore process, Cloudbreak deployer restores from latest dump.
To check which dump is the latest, execute:
docker run --rm -v cbreak_dump:/dump -it alpine ls -lsa /dump/cbdb/latest
You can set any of the existing dumps as latest with
set-dump command. You can set both regular or named dumps. For example:
cbd db set-dump cbdb 20170628_1805
cbd db set-dump cbdb name-of-the-dump
To remove the existing
common volume, stop all the related Cloudbreak containers with
cbd kill command, and then remove the volume:
docker volume rm common
To restore databases from dumps, execute:
cbd db restore-volume-from-dump common cbdb cbd db restore-volume-from-dump common uaadb cbd db restore-volume-from-dump common periscopedb
You can easily save your dumps to the host machine by using the following commands:
Edit on GitHub
docker run --rm -v cbreak_dump:/dump -it alpine cat /dump/cbdb/latest/dump.sql > cbdb.sql docker run --rm -v cbreak_dump:/dump -it alpine cat /dump/uaadb/latest/dump.sql > uaadb.sql docker run --rm -v cbreak_dump:/dump -it alpine cat /dump/periscopedb/latest/dump.sql > periscopedb.sql