51 lines
2.3 KiB
Bash
51 lines
2.3 KiB
Bash
#!/usr/bin/env bash
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# wget -O /tmp/postgres_new_db_user.sh https://git.technozone.com.au/vijay/Scripts/raw/branch/main/postgres_new_db_user && bash /tmp/postgres_new_db_user.sh && rm -f /tmp/postgres_new_db_user.sh
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echo "=== PostgreSQL Database & User Setup ==="
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read -p "Enter new database name: " DB_NAME
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read -p "Enter new username: " DB_USER
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read -s -p "Enter new password: " DB_PASS
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echo ""
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read -p "Enter PostgreSQL superuser (default: postgres): " PG_SUPER
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PG_SUPER=${PG_SUPER:-postgres}
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# Optional: change host/port if needed
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PG_HOST="localhost"
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PG_PORT="5432"
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echo ""
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echo "Creating user and database..."
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# Create user
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psql -U "$PG_SUPER" -h "$PG_HOST" -p "$PG_PORT" -tc "SELECT 1 FROM pg_roles WHERE rolname='$DB_USER';" | grep -q 1 \
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|| psql -U "$PG_SUPER" -h "$PG_HOST" -p "$PG_PORT" -c "CREATE ROLE $DB_USER WITH LOGIN PASSWORD '$DB_PASS';"
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# Create database
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psql -U "$PG_SUPER" -h "$PG_HOST" -p "$PG_PORT" -tc "SELECT 1 FROM pg_database WHERE datname='$DB_NAME';" | grep -q 1 \
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|| psql -U "$PG_SUPER" -h "$PG_HOST" -p "$PG_PORT" -c "CREATE DATABASE $DB_NAME OWNER $DB_USER;"
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echo "Granting permissions..."
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# Grant DB connect
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psql -U "$PG_SUPER" -h "$PG_HOST" -p "$PG_PORT" -d "$DB_NAME" -c "GRANT CONNECT, TEMPORARY ON DATABASE $DB_NAME TO $DB_USER;"
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# Schema permissions
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psql -U "$PG_SUPER" -h "$PG_HOST" -p "$PG_PORT" -d "$DB_NAME" -c "GRANT USAGE, CREATE ON SCHEMA public TO $DB_USER;"
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psql -U "$PG_SUPER" -h "$PG_HOST" -p "$PG_PORT" -d "$DB_NAME" -c "ALTER SCHEMA public OWNER TO $DB_USER;"
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# Existing tables & sequences
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psql -U "$PG_SUPER" -h "$PG_HOST" -p "$PG_PORT" -d "$DB_NAME" -c "GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA public TO $DB_USER;"
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psql -U "$PG_SUPER" -h "$PG_HOST" -p "$PG_PORT" -d "$DB_NAME" -c "GRANT ALL PRIVILEGES ON ALL SEQUENCES IN SCHEMA public TO $DB_USER;"
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# Future tables & sequences
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psql -U "$DB_USER" -h "$PG_HOST" -p "$PG_PORT" -d "$DB_NAME" -c "ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT ALL PRIVILEGES ON TABLES TO $DB_USER;"
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psql -U "$DB_USER" -h "$PG_HOST" -p "$PG_PORT" -d "$DB_NAME" -c "ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT ALL PRIVILEGES ON SEQUENCES TO $DB_USER;"
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echo ""
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echo "=== Setup Complete ==="
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echo "Database: $DB_NAME"
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echo "User: $DB_USER"
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echo "Schema owner: $DB_USER"
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echo "Full R/W on existing + future tables granted."
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