43 lines
1.2 KiB
Bash
43 lines
1.2 KiB
Bash
#!/bin/bash
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set -e # Exit immediately if a command exits with a non-zero status.
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# --- 1. Set up Connection Variables ---
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HOST=$POSTGRES_HOST
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PORT=$POSTGRES_PORT
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DB_NAME=$NEW_DB_NAME
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DB_USER=$NEW_DB_USER
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DB_PASSWORD=$NEW_DB_PASSWORD
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# --- 2. Build the SQL Commands ---
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# NOTE: The IF NOT EXISTS ensures the script can be run safely multiple times.
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SQL_COMMANDS=$(cat <<-END_SQL
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-- Create user role with login and password
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DO
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\$body\$
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BEGIN
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IF NOT EXISTS (
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SELECT
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FROM pg_catalog.pg_user
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WHERE usename = '$DB_USER') THEN
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CREATE ROLE $DB_USER WITH LOGIN PASSWORD '$DB_PASSWORD';
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END IF;
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END
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\$body\$;
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-- Create database owned by the new user (if it doesn't exist)
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SELECT 'CREATE DATABASE $DB_NAME OWNER $DB_USER'
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WHERE NOT EXISTS (SELECT FROM pg_database WHERE datname = '$DB_NAME')\gexec
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END_SQL
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)
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# --- 3. Execute the SQL Commands ---
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echo "Attempting to connect to $HOST to execute SQL..."
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echo "$SQL_COMMANDS" | psql \
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--host=$HOST \
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--port=$PORT \
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--username=$POSTGRES_ADMIN_USER \
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--dbname=postgres \
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--set ON_ERROR_STOP=on
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echo "PostgreSQL database '$DB_NAME' and user '$DB_USER' created/verified successfully."
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