# lib/databases/postgresql # Functions to control the configuration and operation of the **PostgreSQL** database backend # Dependencies: # DATABASE_{HOST,USER,PASSWORD} must be defined # Save trace setting PG_XTRACE=$(set +o | grep xtrace) set +o xtrace register_database postgresql # Functions # --------- # Get rid of everything enough to cleanly change database backends function cleanup_database_postgresql { stop_service postgresql if is_ubuntu; then # Get ruthless with mysql sudo aptitude purge -y ~npostgresql return elif is_fedora; then uninstall_package postgresql-server else return fi } function recreate_database_postgresql { local db=$1 local charset=$2 # Avoid unsightly error when calling dropdb when the database doesn't exist psql -h$DATABASE_HOST -U$DATABASE_USER -dtemplate1 -c "DROP DATABASE IF EXISTS $db" createdb -h $DATABASE_HOST -U$DATABASE_USER -l C -T template0 -E $charset $db } function configure_database_postgresql { echo_summary "Configuring and starting PostgreSQL" if is_fedora; then PG_HBA=/var/lib/pgsql/data/pg_hba.conf PG_CONF=/var/lib/pgsql/data/postgresql.conf sudo [ -e $PG_HBA ] || sudo postgresql-setup initdb elif is_ubuntu; then PG_DIR=`find /etc/postgresql -name pg_hba.conf|xargs dirname` PG_HBA=$PG_DIR/pg_hba.conf PG_CONF=$PG_DIR/postgresql.conf elif is_suse; then PG_HBA=/var/lib/pgsql/data/pg_hba.conf PG_CONF=/var/lib/pgsql/data/postgresql.conf # initdb is called when postgresql is first started sudo [ -e $PG_HBA ] || start_service postgresql else exit_distro_not_supported "postgresql configuration" fi # Listen on all addresses sudo sed -i "/listen_addresses/s/.*/listen_addresses = '*'/" $PG_CONF # Do password auth from all IPv4 clients sudo sed -i "/^host/s/all\s\+127.0.0.1\/32\s\+ident/$DATABASE_USER\t0.0.0.0\/0\tpassword/" $PG_HBA # Do password auth for all IPv6 clients sudo sed -i "/^host/s/all\s\+::1\/128\s\+ident/$DATABASE_USER\t::0\/0\tpassword/" $PG_HBA restart_service postgresql # If creating the role fails, chances are it already existed. Try to alter it. sudo -u root sudo -u postgres -i psql -c "CREATE ROLE $DATABASE_USER WITH SUPERUSER LOGIN PASSWORD '$DATABASE_PASSWORD'" || \ sudo -u root sudo -u postgres -i psql -c "ALTER ROLE $DATABASE_USER WITH SUPERUSER LOGIN PASSWORD '$DATABASE_PASSWORD'" } function install_database_postgresql { echo_summary "Installing postgresql" PGPASS=$HOME/.pgpass if [[ ! -e $PGPASS ]]; then cat < $PGPASS *:*:*:$DATABASE_USER:$DATABASE_PASSWORD EOF chmod 0600 $PGPASS else sed -i "s/:root:\w\+/:root:$DATABASE_PASSWORD/" $PGPASS fi if is_ubuntu; then install_package postgresql elif is_fedora || is_suse; then install_package postgresql-server else exit_distro_not_supported "postgresql installation" fi } function database_connection_url_postgresql { local db=$1 echo "$BASE_SQL_CONN/$db?client_encoding=utf8" } # Restore xtrace $PG_XTRACE # Local variables: # mode: shell-script # End: