57 lines
1.7 KiB
Bash
57 lines
1.7 KiB
Bash
#!/bin/bash
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# stop on errors
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set -e
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# we might run into trouble when using the default `postgres` user, e.g. when dropping the postgres
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# database in restore.sh. Check that something else is used here
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if [ "$POSTGRES_USER" == "postgres" ]
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then
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echo "restoring as the postgres user is not supported, make sure to set the POSTGRES_USER environment variable"
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exit 1
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fi
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# export the postgres password so that subsequent commands don't ask for it
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export PGPASSWORD=$POSTGRES_PASSWORD
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# check that we have an argument for a filename candidate
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if [[ $# -eq 0 ]] ; then
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echo 'usage:'
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echo ' docker-compose run postgres restore <backup-file>'
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echo ''
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echo 'to get a list of available backups, run:'
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echo ' docker-compose run postgres list-backups'
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exit 1
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fi
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# set the backupfile variable
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BACKUPFILE=/backups/$1
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# check that the file exists
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if ! [ -f $BACKUPFILE ]; then
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echo "backup file not found"
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echo 'to get a list of available backups, run:'
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echo ' docker-compose run postgres list-backups'
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exit 1
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fi
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echo "beginning restore from $1"
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echo "-------------------------"
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# delete the db
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# deleting the db can fail. Spit out a comment if this happens but continue since the db
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# is created in the next step
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echo "deleting old database $POSTGRES_USER"
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if dropdb -h postgres -U $POSTGRES_USER $POSTGRES_USER
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then echo "deleted $POSTGRES_USER database"
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else echo "database $POSTGRES_USER does not exist, continue"
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fi
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# create a new database
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echo "creating new database $POSTGRES_USER"
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createdb -h postgres -U $POSTGRES_USER $POSTGRES_USER -O $POSTGRES_USER
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# restore the database
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echo "restoring database $POSTGRES_USER"
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gunzip -c $BACKUPFILE | psql -h postgres -U $POSTGRES_USER
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