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pgdb

Postgres Database for Project Gutenberg

  • In a branch, add a migration file to the repo, prefixed with digits according to sequence.
  • open PR
  • Apply the migration to gutenberg_dev database psql -h dbhost -U gutenberg -s gutenberg_dev -f XX_migration_name.sql
  • snapshot the migrated schema pg_dump -h dbhost -U gutenberg -s gutenberg_dev -n public and commit to branch
  • review results and apply to gutenberg database

backupuser

Privileges for user backupuser are set in:

02_public_add_readonly_user_privileges.sql
03_cherrypy_add_readonly_user_privileges.sql
04_reviews_add_readonly_user_privileges.sql
05_robots_add_readonly_user_privileges.sql
06_scores_add_readonly_user_privileges.sql

This user can make database dumps remotely from a management node by:

  • Schema only: pg_dump --user backupuser --host dbhost -s gutenberg_dev > guten_dev_schema.sql
  • Full database: pg_dump --user backupuser --host dbhost gutenberg_dev > guten_dev_full.sql

The database can be restored from one of these dumps by running locally on dbhost:

dropdb gutenberg_dev
createdb -T template0 gutenberg_dev
psql gutenberg_dev < guten_dev_full.sql