JustOneDB Command Line Interface

The JustOneDB CLI is used to handle data migrations for JustOneDB Cloud Services accessed via Heroku

For more information, see <www.justonedb.com>.

For platform specific details, go to the following

• Heroku, see <www.justonedb.com/heroku>.

Pre-Requisites

The PostgreSQL client program ‘pg_dump’ must be installed in order to use the migrate function.

Installation

$ gem install justonedb

Commands

• Migrate JustOneDB database from current to ‘NEW’ on Heroku

  $ justonedb heroku migrate
  

Extracting data from JUSTONEDB_DBI_URL using pg_dump
Importing data into JUSTONEDB_NEW_DBI_URL using psql
Data imported successfully, please fully check your application before running 'justonedb heroku promote'

• Promote ‘NEW’ variables to current

  $ justonedb heroku promote
  Promoting JustOneDB 'NEW' vars to current, and saving current to 'OLD'
  Variables modified, please check that your application works correctly, before running 'justonedb heroku purge-old'
  

• Purge ‘OLD’ variables

  $ justonedb heroku purge-old
  Purging JustOneDB 'OLD' configuration variables
  

• Set default Heroku database to connect to JustOneDB

  $ justonedb heroku make-default
  Making JUSTONEDB_DBI_URL the default Rails database
  DATABASE_URL now points directly to the JustOneDB database; application restarting
  

• Reset default Heroku database from saved settings

  $ justonedb heroku reset-default
  Resetting DATABASE_URL from JUSTONEDB_SAVED_DATABASE_URL
  DATABASE_URL has now been reset, application restarting
  

License

Released under the [MIT license](www.opensource.org/licenses/mit-license.php).

Credits

Created by Daryl Waycott